CN110017269A - Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate - Google Patents

Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate Download PDF

Info

Publication number
CN110017269A
CN110017269A CN201811374087.3A CN201811374087A CN110017269A CN 110017269 A CN110017269 A CN 110017269A CN 201811374087 A CN201811374087 A CN 201811374087A CN 110017269 A CN110017269 A CN 110017269A
Authority
CN
China
Prior art keywords
plunger
cylinder
filler
pump
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201811374087.3A
Other languages
Chinese (zh)
Inventor
何巨堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811374087.3A priority Critical patent/CN110017269A/en
Publication of CN110017269A publication Critical patent/CN110017269A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/02—Packing the free space between cylinders and pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate, the conveying for being forced into 7.0~25.0MPa suitable for high-temperature oil-coal slurry, 2 packing seal centralized arrangements are stuffing-box rear end (far from pumping cylinder end), 1st packing seal (high pressure filling sealing) is arranged in sealed letter front end cavity, the pressure bearing and seal that plunger bushing rear end cavity is constituted is intracavitary, flushing chamber system between 1st packing seal and intermediate filler sealing is rinsed using pressurization, compared with traditional low-pressure washing, it can make the main liquid nuisance (high-temp liquid of pumping cylinder, high solid concentration slurries, the strong component of the illeffects such as corrosivity or firing property or toxic or radioactivity) it passes through the 1st packing seal and leaks to the intermediate probability for rinsing chamber and drop significantly to almost zero, also it is conducive to intermediate flushing liquor and enters the gap of the 1st packing seal and plunger to lubricate, It is cooling they, being conducive to, which reduces high pressure, injects oil consumption, is remarkably improved the operational safety of plunger end, expands plunger reciprocating pump application range.

Description

Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate
Technical field
The present invention relates to tri- material filling type reciprocation sealing of Qiang and its reciprocating pump is rinsed with pressurization is intermediate, it is suitable for high temperature oil The conveying for being forced into 7.0~25.0MPa of coal slurry, 2 packing seal centralized arrangements are stuffing-box rear end (far from pumping cylinder end), and the The pressure bearing and seal that 1 packing seal (high pressure filling sealing) is arranged in sealed letter front end cavity, plunger bushing rear end cavity is constituted is intracavitary, Flushing chamber system between 1st packing seal and intermediate filler sealing is rinsed using pressurization, can compared with traditional low-pressure washing Making the main liquid nuisance of pumping cylinder, (high-temp liquid, high solid concentration slurries, corrosivity or firing property or toxic or radioactivity etc. are harmful to be made With strong component) it passes through the 1st packing seal and leaks to the intermediate probability for rinsing chamber and drop significantly to almost zero, also it is conducive to intermediate flushing liquor Into the gap of the 1st packing seal and plunger to lubricate, cool down them, being conducive to, which reduces high pressure, injects oil consumption, can significantly mention The operational safety of high plunger end expands plunger reciprocating pump application range.
Background technique
Cylinder-and-piston type reciprocating pump of the present invention, fluid end include sucking, the pumping cylinder of discharge liquid material and cooperation piston reciprocation fortune Dynamic plunger packing letter component, plunger packing letter component may include plunger packing letter cylinder or and plunger bushing.
Cylinder-and-piston type reciprocating pump of the present invention contains solid for conveying commonly used in conveying high-temp liquid or cryogenic liquid The slurries of particle or and liquid material containing corrosive component or and containing firing property component liquid material or with poisonous component liquid material or contain radioactivity Component liquid material, the mesohigh difference room temperature coal slurry pump used such as direct hydrogenation liquefaction of coal device, mesohigh difference medium temperature coal slurry pump, middle height Pressure difference high-temperature coal pulp pump, mesohigh difference high temperature rinse oil pump, and the normal discharge pressure of the cylinder-and-piston type reciprocating pump is usually mesohigh (pressure is 2.0~25.0MPa).
Pumping target liquid material of the present invention or the main liquid of pumping cylinder refer to the process stream of cylinder-and-piston type reciprocating pump conveying, are Main body different from injecting liquid pumps material, the coal conveyed such as the cylinder-and-piston type reciprocating pump of conveying coal.
The cylinder-and-piston type reciprocating pump of conveying liquid containing stereoplasm of the present invention, typical case are that the plunger type of conveying coal is reciprocal Pump, working method using insulating liquid or isolation injection liquid, the working method of insulating liquid can be primary injection be used for a long time or Person is interrupted injection intermittent discharge or is continuously injected into continuous discharge, and the isolation injection liquid of discharge can eventually enter into the pump chamber of the pump housing In with pumping target liquid material be discharged pump chamber, to prevent nuisance, (low temperature liquid material, high-temp liquid, solid slurry, corrosivity are fired Property or the components such as toxic or radioactivity) enter sealed packing (airtight and watertight padding) position of plunger, or prevent high-temperature medium (low temperature Medium) enter the thermal deformation (cold deformation) that contact plunger generation is transfinited in plunger housing, or prevent solid particle from entering plunger Sealed packing (airtight and watertight padding) position and aggravate the abrasion of packing, or prevent corrosive media from entering in plunger housing and contact Plunger generates corrosion, either prevents harmful constituent medium from entering in plunger housing and is leaked into environment or contact human body.This hair The working method of bright insulating liquid is usually interruption injection intermittent discharge or is continuously injected into continuous discharge.
Insulating liquid working method of the present invention can be that be continuously injected into i.e. all strokes of the working method continuously discharged complete The working method of flushing, such as the work of the existing technology rinsed entirely in all strokes of conveying particle slurry setting injection liquid Make scheme, flushing liquor pressure is always than being such as higher by 2~5bar there are the pressure of the pumping cylinder of particle slurry is high, in main pump sucking Granule material slurry stroke was discharged in all periods of particle slurry stroke, all to the high pressure sealing letter front end of main pump plunger piston seal box Injection insulating liquid is added in (close to pumping cylinder side filler), and effect is:
1. particle slurry is avoided to enter in sealed letter note plunger, sealed letter is destroyed；
2. being lubricated to being slidingly sealed for plunger；
3. being cooled down to sealed letter.
The working method that above-mentioned all strokes of insulating liquid rinse entirely, (the i.e. pumping cylinder imbibition stroke in plunger backhaul stroke In), the injection liquid of addition can effectively play above-mentioned isolation, flushing, lubrication, cooling effect, therefore be necessary injection step Suddenly；But in plunger advancement stroke (i.e. in pumping cylinder drain stroke), the injection liquid of addition does not have above-mentioned isolation, flushing, profit Sliding, cooling useful effect, therefore be unnecessary injection step, as a result cause injection flow quantity huge.Above-mentioned insulating liquid institute There is the working method that stroke rinses entirely, in general, the fluid-pump flow prepared generally takes 8~10% main pump flows, pressure is used Add orifice plate to be controlled in flushing pipeline, if flushing dose is less than 6%, pump seal is caused to fail.Most of particle shurry pumps With no restrictions to flushing dose, as chemical industry water-coal-slurry medium washes liquid water flow requires 8~10% main pump flows, Power Plant Ash coal slurry Jie Matter flushing liquor water flow is with no restrictions.The flushing device of such prior art is simple, but its flushing dose is big, be 8~ 10% main pump flow, therefore certain techniques for requiring limitation injection oil wash amount can not be suitable for.
Insulating liquid working method of the present invention can be the working method of interruption injection intermittent discharge, to reduce injection Flow quantity generallys use the scheme of the simultaneous implantation injection oil of main pump plunger backhaul, sucks in the reciprocating pump pumping cylinder When slurry, the movement of injection fuel feed pump plunger, which seals main pump plunger packing, is added injection oil, when slurry is discharged in main pump, injects oil pump column Plug movement sucking injection oil, does not seal main pump plunger packing and injection oil is added, injection liquid measure can be reduced to≤3% main pump stream Amount, when which is applied to the coal pump of direct hydrogenation liquefaction of coal device, it is possible to reduce inject oily dosage, reduce oily coal The bring device load increment because of increase injection oil of the other parts of stock pump load, reduction direct hydrogenation liquefaction of coal device (the 5~7% of device normal process load) have the effect of huge reduction investment, reduce energy consumption, improve oil yield.
The cylinder-and-piston type reciprocating pump of the present invention for making plunger packing letter isolation working media using injection liquid, in order to reduce note Enter the dosage of liquid, the usually used working method with main pump plunger backhaul simultaneous implantation injection insulating liquid, correspondingly configuration injection Oil system (including simultaneous implantation pump), needs to infuse in plunger packing letter component i.e. plunger packing letter cylinder or with being arranged on plunger bushing Enter oily interface, injection oil flushing plunger and the runner or runner cavity configuration that flow into pump chamber.
The cylinder-and-piston type reciprocating pump of the present invention for making plunger packing letter isolation working media using injection liquid, use and main pump Plunger backhaul simultaneous implantation injects the working method of insulating liquid, and when being applied to three-plunger reciprocating Pumpp, three plunger sealings of main pump are matched A three plunger flushing pumps are covered, each flushing pump plunger cylinder uses an axis, flushing pump to one plunger sealing of shurry pump, two pumps 180 ° of one plunger plunger crankshaft crank phase difference corresponding with reciprocating pump.
The cylinder-and-piston type reciprocating pump of conveying coal of the present invention, is commonly referred to as the conveying oil coal using isolation injection liquid The cylinder-and-piston type reciprocating pump of slurry belongs to isolated reciprocating pump on structural nature；When continuous or regular discontinuously input injection liquid When, the injection liquid reciprocating pump that the main pump power end driving of main driving machine (such as main motor) driving can be used is (as reciprocal in measured Pump) conveying injection liquid, with the harmony and consistency of safety action.
The complete pump group of the cylinder-and-piston type reciprocating pump of normal work of the present invention includes at least driving end (power end), fluid power End, driving end may include connected prime mover (can be motor, variable-frequency motor, diesel engine, hydraulic motor, steam engine etc.), connection Axis device and its shield, speed changer, gear-box, crankshaft, connecting rod, crosshead, pull rod, as needed, fluid end may include column Fill in work package (including plunger, stuffing-box, plunger housing), pumping cylinder, feed liquor check valve, drain check valve, catheter.
It is a principal object of the present invention to propose to improve structure, therefore, major technique of the invention to plunger packing letter component Scheme be propose plunger packing letter or with the structure of plunger bushing, assembling scheme, and illustrate operation scheme and operating effect.
A kind of structural information for the separate pump belonging to cylinder-and-piston type reciprocating pump is shown in document A01: 1. publication title: " coal liquid Change technology ", page 118 to page 120；2. retrieval is encoded with books: ISBN coding: 7-5020-2335-6；3. Chinese depository library CIP data core word (2003) the 063071st；4. chief editor: Shu Geping；5. publishing house: Coal Industry Press；Document introduction Keep the working principle and schematic diagram of the separate pump at insulating liquid interface.
A kind of structural information for the separate pump belonging to cylinder-and-piston type reciprocating pump is shown in document A02: 1. publication title: " coal is straight Connect liquefaction process and engineering " (in February, 2015 publication time), page 232 to page 233；2. retrieval is encoded with books: ISBN coding: 9-78703-04308-23；3. writing: Wu Xiuzhang, Shu Geping, Li Kejian, Xie Shunmin；4. publishing house: Science Press；This article It offers and describes a kind of coal cylinder-and-piston type reciprocating pump, oil, injection (are isolated using simultaneous implantation injection oil in the sealed letter of plunger Oil), flushing oil, Seal Oil working method, stuffing box be the double stuffing boxes of metal throttle+special PTFE insertion ring, inject Oil injects high pressure filling by synchronously driven spindle nose syringe pump, is cooled down and is lubricated using Seal Oil at the filler of end, rushed Washing oil injects between low pressure filler and high pressure filling, plays lubrication and take away may be by high pressure filling bring solid particle Effect.The plunger packing letter component of the pump group uses 3 fillers, and 2 packing seal centralized arrangements are in stuffing-box outer end (far from pump Cylinder end) 1 packing seal simultaneously is arranged in stuffing-box inner end (close to pumping cylinder end)；This plunger packing filler assembly (stuffing-box And/or plunger bushing) need to be arranged temperature transition section to radiate to atmospheric environment or in the position arrangement heat exchange close to pumping cylinder side Collet or heat exchange duct, therefore the overall length of filler assembly (stuffing-box and/or plunger bushing) is usually longer.The type plunger plunger Packing box seal structure can be applied to big flow (i.e. plunger forms length), mesohigh (for example pressure is 2.0~25.0MPa) work It when condition, but is that pressurization is rinsed without the mode of operation of clear flushing oil (chamber is rinsed in centre).
A kind of plunger reciprocating pump of Chinese patent ZL 201520443034.8 and its be that the applying date is 06 month 2015 25 System, the plunger reciprocating pump include the pump housing, catheter, inlet valve (containing valve ball and valve seat), outlet valve (containing valve ball and valve seat), column Plug, plunger housing, stuffing box, filler, steam insulation collet.The piston reciprocation pumping system is in addition to containing above-mentioned plunger reciprocating pump, also Including driving, Seal Oil, steam insulation, cooling water, lubricating oil and frequency-changing control system, it is configured with injection pump, is entered, outlet stool With supervisor, enters, exports surge tank and safety valve.In the file of Chinese patent ZL 201520443034.8, contain in stuffing box Three fillers set gradually outward (far from pumping cylinder) along the axis of plunger from interior (close to pumping cylinder), three filler are respectively the One of filler, second filler and third road filler, between first of filler and second filler, the side wall of stuffing box is included There is flushing oil-in for rinsing plunger surface and rinse oil export, in stuffing box body, position is in first of filler and the Between two fillers, one section of band internal thread slot, the i.e. slot of internal screw thread form, tapped slot and plunger 15 machined Outer circle is formed a filler and rinses chamber (chamber is rinsed in centre), rinses oil-in and flushing oil export and the filler rinses chamber and connects It is logical, preferably filler can be rinsed, lubricate, cool down and be isolated in this way；Since the outlet pressure of injection pump is higher, injection VGO (vacuum gas oil (VGO), that is, wax oil) has to be entered in filler flushing chamber by first of filler on a small quantity, by decline of pressure, rinses chamber In pressure be significantly less than the outlet pressure of injection pump, the pressure of rinse-system are as follows: entrance 1.0MPa exports 1.0MPa, rinses VGO temperature is also 100 DEG C.The type plunger plunger packing letter sealing structure, can be applied to big flow (i.e. plunger forms length), middle height When pressure (for example pressure is 2.0~25.0MPa) operating condition, but the mode of operation without clear flushing oil (chamber is rinsed in centre) is to increase Pressure is rinsed.
The applying date is a kind of cylinder-and-piston type reciprocating pump of Chinese patent application 201811205520.0 in October 10 in 2018, a kind of Cylinder-and-piston type reciprocating pump, the pressurized delivered of the high-temperature oil-coal slurry suitable for direct hydrogenation liquefaction of coal device, fluid end include sucking, row The plunger of the pumping cylinder of coal slurry and reciprocating motion out retains the structure of injection liquid U-shaped flow path in conventional pumping cylinder, uses separator Increase the preposition runner of injection liquid contact pumping cylinder wall；The path that injection oil stream crosses pumping cylinder inner wall extends, and makes injection oil in pumping cylinder There are path or flow paths in N shape or W-shaped etc., plunger housing, plunger, plunger packing letter are (high-temp liquid, solid by nuisance The components such as somaplasm liquid, corrosivity or firing property or toxic or radioactivity) pollution or the probability of leakage pollution environment be greatly reduced；Note The heat transfer area of cooling pump casing wall, heat absorption capacity can be dramatically increased by entering the preposition runner of oil, and high temperature coal slurry contacts pumping cylinder inner wall area Fall sharply its heat for passing to pumping cylinder wall, plunger end that can fall sharply；The pump can transport the higher liquid material of temperature, significantly improve plunger end Operational safety, expand reciprocating pump application range.The plunger packing letter component of the pump group uses 3 fillers, 2 packing seals Centralized arrangement is arranged in stuffing-box inner end in stuffing-box outer end (far from pumping cylinder end) 1 packing seal simultaneously (close to pumping cylinder end)； The type plunger plunger packing letter sealing structure, can be applied to big flow (i.e. plunger forms length), mesohigh (such as pressure be 2.0 ~25.0MPa) operating condition when, but be that pressurization is rinsed without the mode of operation of clear flushing oil (centre rinse chamber).
In order to overcome above-mentioned several structures plunger packing component structure or and intermediate flushing operation mode defect, this Invention proposes to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump, the pressurization suitable for high-temperature oil-coal slurry with pressurization is intermediate To the conveying of 7.0~25.0MPa, 2 packing seal centralized arrangements are in stuffing-box rear end (far from pumping cylinder end), the 1st packing seal The pressure bearing and seal that (high pressure filling sealing) is arranged in sealed letter front end cavity, plunger bushing rear end cavity is constituted is intracavitary, and the 1st filler is close Flushing chamber system between envelope and intermediate filler sealing is rinsed using pressurization, compared with traditional low-pressure washing, can make pumping cylinder master Liquid nuisance (high-temp liquid, high solid concentration slurries, corrosivity or strong group of the illeffects such as firing property or toxic or radioactivity Divide) zero is dropped significantly to almost across the probability that the 1st packing seal leaks to intermediate flushing chamber, also it is conducive to intermediate flushing liquor into the 1st To lubricate, cool down them, being conducive to, which reduces high pressure, injects oil consumption in the gap of packing seal and plunger, is remarkably improved plunger end Operational safety, expand plunger reciprocating pump application range.
The structurally and operationally scheme that can be realized the plunger packing letter component of target of the present invention is suitable available side Case, the invention proposes some specific organization plans.
Similar to technical solution of the present invention, have not been reported.
With compared with rinse-system scheme among traditional low pressure, the present invention is pressurized intermediate flushing tri- material filling type of Qiang The advantages of structure of reciprocation sealing, is:
1. the sealing of the 1st filler (high pressure filling) is divided into the sealing of 1 high pressure filling and 1 pressurization packing seal, can drop Therefore the pretightning force difference of the filler of the different location of low single track high pressure filling it is excessive to rapid wear to there is contact stress Degree be greatly lowered；
2. the sealing of the 1st filler (high pressure filling) is divided into the sealing of 1 high pressure filling and 1 pressurization packing seal, can drop The thickness of low single track high pressure filling, chamber is rinsed in the suitable pressurization of setting pressure between high pressure filling sealing, pressurization packing seal, It can lubricate and cool down to gamut in time high pressure filling, pressurization filler and the plunger face contacted with high pressure filling；
3. the sealing of the 1st filler (high pressure filling) is divided into the sealing of 1 high pressure filling and 1 pressurization packing seal, can drop The thickness of low single track filler, chamber is rinsed in the suitable pressurization of setting pressure between high pressure filling sealing, pressurization packing seal, can be with By improving high pressure washing cavity pressure, the pressure difference of high pressure filling sealing both ends is reduced, it might even be possible to pressurization occur and rinse cavity pressure Equal to or higher than the condition of pumping cylinder cavity pressure, the detrimental processes medium for pumping main liquid or injection liquid is prevented to enter contact the 1st main Airtight and watertight padding, the 1st flushing chamber, section plunger surface and the service life lubricate simultaneously, cool down them, extending them, make plunger (high-temp liquid, high solid concentration slurries, corrosivity or firing property are toxic or put by nuisance for housing, plunger, plunger packing letter The strong component of the illeffects such as penetrating property) pollution or the probability of leakage pollution environment drop significantly to almost zero；
4. the sealing of the 1st filler (high pressure filling) is divided into the sealing of 1 high pressure filling and 1 pressurization packing seal, in height The pressurization that setting pressure is suitable between packing seal, pressurization packing seal is pressed to rinse chamber, it can be by improving high pressure washing chamber pressure Power reduces the pressure difference of high pressure filling sealing both ends, it might even be possible to pressurization occurs and rinse cavity pressure equal to or higher than the intracavitary pressure of pumping cylinder The condition of power is thorough that the detrimental processes medium for pumping main liquid or injection liquid is prevented to enter the 1st primary seal filler of contact, the 1st flushing Chamber, section plunger surface and the service life lubricate simultaneously, cool down them, extending them can guarantee the 1st filler in this way Under the premise of lubrication, cooling requirement at (high pressure filling) sealing, reduces inject oily quantity to the maximum extent, for example can will infuse Enter 0.5 weight of weight %~0.9 % or less that oily quantity decreases below main pump flow；
The setting direct hydrogenation liquefaction of coal device that high pressure filling seals together with the prior art is past with coal plunger type The injection oil pumped again is that 1.9 weight % of main pump discharge are compared, and reduces injection 1.0 weight of weight %~1.4 % of oil；With 1,000,000 For the direct hydrogenation liquefaction of coal device of ton/year liquefied coal coil yield, the coal slurry input quantity injection oil 440 of routine techniques coal slurry pump Ten thousand tons/year, 8.36 ten thousand tons/year of oil of needs injection, 4,400,000 tons/year of the coal slurry input quantity injection oil of coal slurry pump of the present invention need to infuse Enter 3.96 ten thousand tons/year of oil, injection oil mass reduces 3.96 ten thousand tons/year, and conveying capacity is identical, direct hydrogenation liquefaction of coal in pump in this way Device processing capacity under the same conditions, can be conveyed more using the direct hydrogenation liquefaction of coal device of coal slurry pump of the present invention, be handled 3.96 ten thousand tons/year of coal, wherein the solvent of the coal dust of coal dust i.e. 1.98 ten thousand ton/year of about 50 weight %, about 50 weight % The solvent naphtha that i.e. 1.98 ten thousand tons/year of oil, even if the 50 weight % that liquefied coal coil yield only presses coal dust are calculated, Coal Liquefaction Products can With 0.99 ten thousand tons/year of volume increase；The internal circulating load for reducing 3.96 ten thousand tons/year of solvent naphtha simultaneously, can be to avoid the heat of about 5 weight % Cracking factor of created gase avoids 0.198 ten thousand tons/year of liquid oil from losing, and reduces corresponding hydrogen consumption and energy consumption, reduces corresponding system About 60,000,000 yuan~65,000,000 yuan of investment increment of system；Above-mentioned Coal Liquefaction Products increase production 0.99 ten thousand tons/year, avoid 0.198 ten thousand tons/ The liquid oil loss in year, adds up to 1.188 ten thousand tons/year of liquid oil；
5. the sealing of the 1st filler (high pressure filling) is divided into the sealing of 1 high pressure filling and 1 pressurization packing seal, in height The pressurization that setting pressure is suitable between packing seal, pressurization packing seal is pressed to rinse chamber, under the conditions of special (for example conveying is high Pressure, high temperature or super-pressure, superhigh temperature processing medium), the 2nd packing seal can be used as the 1st airtight and watertight padding (close to pumping cylinder side) It ensures public security defence line, once the 1st sealing failure of fillers, the boost in pressure that chamber is rinsed in the pressurization is equal to or high to high pressure washing cavity pressure In the condition of pumping cylinder cavity pressure, the detrimental processes medium for pumping main liquid or injection liquid is thoroughly prevented to enter the 1st primary seal of contact Filler, the 1st flushing chamber, section plunger surface and the service life lubricate simultaneously, cool down them, extending them, and wait properly Opportunity maintenance down replaces the component of the 1st primary seal filler (close to pumping cylinder side)；
6. the operation cycle of plunger reciprocating pump can be extended, maintenance or part replacement frequency are reduced, improves operation rate.
Therefore, the first object of the present invention is to propose to rinse tri- material filling type reciprocation sealing of Qiang with pressurization is intermediate.
The second object of the present invention is to propose to rinse tri- material filling type reciprocation sealing of Qiang and its attachment with pressurization is intermediate.
The third object of the present invention is that proposition uses intermediate flushing tri- material filling type of Qiang of pressurization reciprocal using of the invention The plunger reciprocating pump of sealing.
Summary of the invention
The present invention is pressurized intermediate flushing tri- material filling type reciprocation sealing of Qiang, it is characterised in that:
With the intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, including plunger (111), filler Letter (115), plunger bushing (119), fluid cylinder K10 further include the axis along plunger (111) from close fluid cylinder K10 to far from fluid cylinder K10 Arrange three fillers i.e. first of filler (R100), second filler (R200) and the third road filler (R300) set gradually；
The stuffing-box (115), the adjacent installation of plunger bushing (119) are assembled by holding attachment, and plunger bushing (119) leans on Nearly fluid cylinder K10, stuffing-box (115) is far from fluid cylinder K10；
Stuffing-box (115) is known as stuffing-box front end close to the one end fluid cylinder K10, and stuffing-box (115) claims far from the one end fluid cylinder K10 For stuffing-box rear end；
Plunger bushing (119) is known as plunger bushing front end close to the one end fluid cylinder K10, and plunger bushing (119) claims far from the one end fluid cylinder K10 For plunger bushing rear end；
First of filler (R100) is arranged outside in plunger (111), and is arranged in by stuffing-box (115) front end inner cavity and column In the pressure bearing and seal cavity that plug sleeve (119) rear end inner cavity is constituted；
Second filler (R200) and third road filler (R300) circumferentially and are arranged in stuffing-box outside plunger (115) in pressure bearing and seal cavity；
When normal work, plunger (111) stuffing-box (115), plunger bushing (119) inner space in back and forth transported It is dynamic while reciprocating relative to first of filler (R100), second filler (R200) and third road filler (R300)；
In course of normal operation, when the plunger of component M01 is far from the backstroke of fluid cylinder K10, fluid cylinder K10 is from feed inlet Suck liquid material；
In course of normal operation, when the plunger of component M01 is close to the forward stroke of fluid cylinder K10, fluid cylinder K10 is from discharge gate Liquid material is discharged；
Between first of filler (R100) and fluid cylinder K10, injection liquid L01 interface (191) may be set, liquid L01 is injected Into in the injection sap cavity of plunger and cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through possible setting Injection liquid conducting element (N53) flow to fluid cylinder K10, finally with fluid cylinder K10 main fluid be discharged fluid cylinder K10；
Between first of filler (R100) and second filler (R200), setting is pressurized intermediate flushing liquor W01 interface (151), intermediate flushing liquor W01 is pressurized to enter among the pressurization of plunger and cavity composition in flushing sap cavity, in plunger and pressurization Between rinse between sap cavity and form liquid layer, stuffing-box (115) then are discharged by being pressurized intermediate flushing liquor discharge outlet (152)；
Between second filler (R200) and third road filler (R300), it is arranged sealing fluid K01 interface (251), sealing Liquid K01 enters in the sealing sap cavity of plunger and cavity composition, forms liquid layer between plunger and sealing sap cavity, then passes through sealing Stuffing-box (115) are discharged in liquid discharge outlet (252).
In general, the intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, the One of filler (R100), plunger (111) outside circumferentially, and be arranged in by stuffing-box (115) front end internal cavity and plunger In the cavity for covering (119) rear end internal cavity composition；
Between first of filler (R100) and fluid cylinder K10, setting injection liquid L01 interface (191), injection liquid L01 enters In the injection sap cavity of plunger and cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through the injection liquid of setting Conducting element (N53) flows to fluid cylinder K10, and fluid cylinder K10 finally is discharged with the main fluid of fluid cylinder K10.
Piston reciprocation sealing of the present invention, first of filler (R100) circumferentially and are arranged in by filling out outside plunger In the pressure bearing and seal cavity that material letter front end inner cavity, plunger bushing rear end inner cavity are constituted, the relative position cloth of first of filler (R100) The mode of setting can be selected from following a kind:
1. first of filler (R100), is arranged in the cavity of stuffing-box front end inner cavity；
2. first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
3. first of filler (R100) is partially arranged in the cavity of stuffing-box front end inner cavity, is partially arranged in plunger bushing In the cavity of rear end inner cavity；
4. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
5. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity.
It is of the present invention to rinse tri- material filling type reciprocation sealing ASEAL of Qiang with pressurization is intermediate, inject the work side of liquid L01 Formula can be selected from following a kind:
1. injection liquid L01 use is continuously injected into, the working method of continuous draining to fluid cylinder K10, i.e., in plunger advancement stroke During the total travel of backstroke, injection liquid L01 is continuously injected into；
2. injecting liquid L01 using the working method of interruption injection, interruption drain to fluid cylinder K10；
3. injecting the working method that liquid L01 uses plunger backhaul simultaneous implantation；
4. the working method that liquid L01 uses plunger backhaul simultaneous implantation is injected, when the plunger of component M01 is in backhaul stroke When, fluid cylinder K10 sucks liquid material, injects the injection pump plunger action of liquid to the injection before first of filler (R100) of component M01 Sap cavity is rinsed；When the plunger of component M01 is in forward stroke, liquid material, injection liquid pump plunger action sucking is discharged in fluid cylinder K10 Injection oil, is not rinsed the injection sap cavity before first of filler (R100) of component M01.
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, pressurization are intermediate The working method of flushing liquor W01 can be selected from following a kind:
1. being pressurized intermediate flushing liquor W01 using the working method being continuously injected into, continuous flushing is discharged, i.e., in plunger advancement row During journey and the total travel of backstroke, flushing liquor W01 is continuously injected into；
2. being pressurized the working method that intermediate flushing liquor W01 is rinsed using interruption injection, interruption；
3. being pressurized the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation；
4. the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation is pressurized, when the plunger of component M01 is returning When Cheng Hangcheng, fluid cylinder K10 sucks liquid material, increasing of the injection pump plunger action of flushing liquor W01 to the plunger of component M01 among pressurization The intermediate sap cavity that rinses of pressure is rinsed；When the plunger of component M01 is in forward stroke, liquid material, flushing liquor W01 is discharged in fluid cylinder K10 The plunger action of injection pump suck flushing oil, be not rinsed to rinsing sap cavity among the pressurization of the plunger of component M01.
Reciprocation sealing of the present invention, one end of the close fluid cylinder K10 of first of filler (R100) are first of filler (R100) one end of front end, the separate fluid cylinder K10 of first of filler (R100) is first of filler (R100) rear end, at first Between the filler front end (R100) and fluid cylinder K10, setting injection liquid L01 interface, injection liquid L01 enters the note of plunger and cavity composition Enter in sap cavity, plunger and injection sap cavity between form liquid layer, then by setting conducting element flow to fluid cylinder K10, finally with Fluid cylinder K10 is discharged in the main fluid of fluid cylinder K10；
The composition of the injection sap cavity, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention, between first of filler (R100) and second filler (R200), setting increases Intermediate flushing liquor W01 interface (151) is pressed, intermediate flushing liquor W01 is pressurized and enters flushing liquor among the pressurization of plunger and cavity composition It in chamber, is rinsed among plunger and pressurization between sap cavity and forms liquid layer, then arranged by being pressurized intermediate flushing liquor discharge outlet (152) Stuffing-box (115) out, the liquid material that the intermediate possibility rinsed in sap cavity of pressurization is come from first of filler (R100) leakage, may The liquid material to come from third road filler (R300) leakage carries discharge stuffing-box (115)；
The composition of sap cavity is rinsed among the pressurization, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention is arranged close between second filler (R200) and third road filler (R300) Sealing liquid K01 interface (251), sealing fluid K01 enter in the sealing sap cavity of plunger and cavity composition, between plunger and sealing sap cavity Liquid layer is formed, then by sealing fluid discharge outlet (252) discharge stuffing-box (115), centre is rinsed in sap cavity and is filled out from second Material (R200) reveals the liquid material to come, carries discharge stuffing-box (115) from the liquid material that third road filler (R300) leakage comes；
The composition of the sealing sap cavity, can be selected from a kind or several following of combination:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention, one end of the close fluid cylinder K10 of first of filler (R100) are first of filler (R100) one end of front end, the separate fluid cylinder K10 of first of filler (R100) is first of filler (R100) rear end, at first Between the filler front end (R100) and fluid cylinder K10, setting injection liquid L01 interface, injection liquid L01 enters the note of plunger and cavity composition Enter in sap cavity, plunger and injection sap cavity between form liquid layer, then by setting conducting element flow to fluid cylinder K10, finally with Fluid cylinder K10 is discharged in the main fluid of fluid cylinder K10；
The composition of the conducting element can be selected from following a kind:
1. baffle liner, i.e. short distance guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width≤4.0；
2. flow guide sleeve is grown away from guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width >=4.0.
Reciprocation sealing of the present invention, first of filler (R100) or second filler (R200) or third road filler (R300), a kind or several following of combination can be selected from by constituting:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings.
Reciprocation sealing of the present invention, first of filler (R100) or second filler (R200) or third road filler (R300), a kind or several of combined application of llowing group of materials can be selected from:
1. rubber；
2. synthetic fibers；
3. asbestos；
4. synthetic resin, including polytetrafluoroethylene (PTFE)；
5. flexible filler
6. oil immersion graphite；
7. high-strength carbon fiber；
8. carbon fiber.
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, in its filler Heat exchange jacket is set on the cylinder of letter (115) and/or plunger bushing (119), and the medium and working method flowed in heat exchange jacket can be with Selected from a kind or several following of combination:
1. serve cool take thermal medium, be gas phase or and liquid phase；
It is gas phase or and liquid phase 2. playing the heat medium of heat temperature raising；
It is gas phase or and liquid phase 3. that plays cooling temperature control function takes thermal medium；
It is gas phase or and liquid phase 4. playing the heat medium of heated for controlling temperature.
A kind of cylinder-and-piston type reciprocating pump constituted based on reciprocation sealing of the present invention rinses chamber with pressurization is intermediate with described Three material filling type reciprocation sealing ASEAL the matching used fluid cylinder K10 of component M01, be the pumping cylinder of cylinder-and-piston type reciprocating pump APUMP K10。
The pump of 1 or 2 or multiple single pump chamber formulas can be used in cylinder-and-piston type reciprocating pump APUMP system of the present invention Cylinder body.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention, the One-piece pump cylinder body that can be used have 1 or 2 or Multiple pump chambers.
The pumping target liquid material of cylinder-and-piston type reciprocating pump APUMP of the present invention, can a kind or several in following Kind:
1. high-temp liquid；
2. low temperature liquid material；
3. high pressure liquid material；
4. high temperature and pressure liquid material；
5. high temperature and pressure material containing solid-liquid；
6. containing easily condensation component liquid material；
7. liquid material containing volatile components；
8. containing solid slurry；
9. liquid material containing etching component；
10. containing component liquid material is fired；
Liquid material containing toxic component；
Liquid material containing radioactive component.
The working method for the injection liquid that the stuffing-box or plunger bushing of cylinder-and-piston type reciprocating pump APUMP of the present invention is added, It can a kind or several in following:
1. primary injection is used for a long time；
2. interruption injection intermittent discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge Pump chamber；
3. being continuously injected into continuous discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge Pump chamber.
The operating condition of cylinder-and-piston type reciprocating pump APUMP of the present invention can be with are as follows: temperature is 150~400 DEG C, entrance pressure Power is 0.3~1.0MPa, outlet pressure is 2.0~30.0MPa, solid particle weight concentration is 0~55%, pump chamber entrance liquid material Volume flow rate is 0.1~150m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, operating condition can be with are as follows: temperature is 150~350 DEG C, inlet pressure be 0.3~1.0MPa, Outlet pressure is 2.0~30.0MPa, solid particle weight concentration is 25~60%, pump chamber entrance liquid material volume flow rate be 0.1~ 200m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, operating condition can be with are as follows: temperature is 150~350 DEG C, inlet pressure be 0.3~1.0MPa, Outlet pressure is 5.0~30.0MPa, solid particle weight concentration is 40~55%, pump chamber entrance liquid material volume flow rate be 10~ 150m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, plunger, stuffing-box, plunger housing working fluid quantity it is usual are as follows: injection liquid hour Volume flow is the 0.5%~5% of the volume flow of the pumping target liquid material of cylinder-and-piston type reciprocating pump APUMP.
The arrangement of cylinder-and-piston type reciprocating pump APUMP of the present invention is usual are as follows: the axis of plunger (111) is along level side To arrangement, pumping cylinder K10 is arranged vertically, and the catheter (33) used is arranged vertically.
The driving end of cylinder-and-piston type reciprocating pump APUMP system of the present invention, prime mover can 1 kinds in following:
1. motor；
2. variable-frequency motor；
3. diesel engine；
4. hydraulic motor；
5. steam engine.
The driving end of cylinder-and-piston type reciprocating pump APUMP system of the present invention, can be used height of the speed changer by prime mover After rotary speed movement is converted into slow-speed of revolution campaign, driving fluid end work.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the axis of plunger (111) is horizontally disposed, plunger (111) outside is equipped with plunger housing (119) and stuffing-box (115), and one end of plunger housing (119) is connect with pumping cylinder K10, plunger The other end of housing (119) is connect with stuffing-box (115), and plunger (111) can be moved along axial reciprocating.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, stuffing-box (115) is interior to contain filler, the side wall of stuffing-box (115) It is interior institute to be located at containing the injection through-hole (115-1) for the injection liquid into stuffing-box (115), injection through-hole (115-1) It states between filler and plunger housing (119).
Cylinder-and-piston type reciprocating pump APUMP of the present invention, plunger housing (119) can be equipped with steam insulation collet (R700), cavity is formed between steam insulation collet (R700) and plunger housing (119), steam insulation collet (R700) is equipped with The steam inlet (701) being connect with the cavity and steam (vapor) outlet (702).
Cylinder-and-piston type reciprocating pump APUMP of the present invention can be set on the cylinder body of pumping cylinder K10 for being passed through steam or cold But the aperture (801) of water.
Cylinder-and-piston type reciprocating pump APUMP of the present invention can contain 1 pump chamber or 3 in the cylinder body of pumping cylinder K10 The pump chamber or 5 pump chambers or 7 pump chambers；
Plunger (111), plunger housing (119), steam insulation collet (R700), stuffing-box (115) and two filler It is corresponded with the pump chamber.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the entrance of pumping cylinder K10 is equipped with inlet valve valve ball (171- 4) it is arranged on entrance valve base (171-2) with entrance valve base (171-2), inlet valve valve ball (171-4), inlet valve valve ball (171-4) being capable of free movement；
The exit of pumping cylinder K10 is equipped with outlet valve valve ball (172-4) and outlet valve base (172-2), outlet valve valve ball In outlet valve base (172-2), outlet valve valve ball (172-4) being capable of free movement for (172-4) setting.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can contain at least two pumping cylinder, the institute of the lower part pumping cylinder K10 It states entrance and is connected to by inlet leg (INP-X) with entrance supervisor (INP), it is pipeloop that entrance, which is responsible for (INP),.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can contain at least two pumping cylinder, the institute on the top pumping cylinder K10 It states outlet and is connected to by outlet stool (OUTP-X) with outlet supervisor (OUTP), inlet leg (INP-X) and the outlet stool It (OUTP-X) is bend pipe.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can be equipped with for the injection through-hole to stuffing-box (115) (115-1) injects the injection pump (IN-PUMP) of liquid, the pump of the pump chamber of injection pump (IN-PUMP) and the plunger reciprocating pump Cylinder K10 is corresponded.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention is typically provided with for close to sealing oil-in (251) injection The sealing oil system of oil sealing, the sealing oil system by fuel tank, oil pump, oil strainer, oil cooler, pressure-regulating valve, pressure gauge, Thermometer forms closed circulation system.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention is equipped with the main pump APUMP for conveying processing medium, in master It pumps the two sides of APUMP, be also provided with cooling water pipe below main pump fluid end and between main pump power end and plunger (111) Road.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can be equipped with a set of lubricating oil system, and the lubricating oil system is by oil Case, oil pump, oil strainer, oil cooler, pressure-control valve, pressure sensor, temperature transmitter, differential pressure pickup form enclosed The circulatory system, the lubricating oil system can provide lubricating oil to main pump power end, injection pump power end and the gear-box used, Oil strainer is arranged Magnetic filtration device element and intercepts the magnetic particulate matter of tool.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the entrance of the charging equipped with cylinder-and-piston type reciprocating pump APUMP Surge tank is for weakening feed pressure pulsation, and the outlet surge tank of the discharging equipped with cylinder-and-piston type reciprocating pump APUMP is for weakening out Expect pressure fluctuation.
Cylinder-and-piston type reciprocating pump APUMP of the present invention and its system, part or all of component can form integrated type skid-mounted structure.
It is of the present invention to use pressurization is intermediate to rinse tri- material filling type reciprocation sealing ASEAL of Qiang, chamber is rinsed among pressurization Operating pressure usually meets a kind or several following of regulation:
1. being greater than 1.0MPa；
2. being greater than the operating pressure of fluid cylinder K10 charging；
3. 30% of the discharge operating pressure higher than fluid cylinder K10；
4. 50% of the discharge operating pressure higher than fluid cylinder K10.
Detailed description of the invention
Fig. 1 is a kind of column of conventional structure pumping cylinder using injection oil of direct hydrogenation liquefaction of coal device conveying coal The structural schematic diagram of plug reciprocating pump.
Fig. 2 is the fragmentary detail view of the plunger packing letter component and associated components in Fig. 1.
The plunger packing letter component of cylinder-and-piston type reciprocating pump as shown in Figure 1 and Figure 2, according to plunger axis by close to pumping cylinder side To far from pumping cylinder side, the sealing of 1 high pressure filling of setting, 2 low pressure packing seals, wherein close to the 1st packing seal of pumping cylinder It is the main packing seal for belonging to high pressure filling sealing, intermediate filler sealing and outside packing seal belong to low pressure packing seal, function It can be as follows with working method:
1. the 1st packing seal and high pressure inject liquid system
It is main packing seal close to the 1st packing seal of pumping cylinder, task is that barrier high-pressure medium makes it as far as possible should not It is flowed to the side far from pumping cylinder, leakage, in order to prevent nuisance (the Low Temperature Liquid in the pumping target process medium from pumping cylinder The components such as material, high-temp liquid, solid slurry, corrosivity or firing property or toxic or radioactivity) enter plunger sealed packing it is (close Packing material) position, or prevent high-temperature medium (cryogenic media) from entering contact plunger in plunger housing and generate the thermal deformation transfinited (cold deformation), or prevent solid particle from entering sealed packing (airtight and watertight padding) position of plunger and aggravate the abrasion of packing, or Person prevents corrosive media from entering contact plunger in plunger housing and generates corrosion, or prevents harmful constituent medium from entering outside plunger Environment or contact human body are leaked into set, in the front end (close to one end of pumping cylinder) of the 1st packing seal, setting injection liquid system System, it is intracavitary in the high-pressure work of plunger assembly, the insulating liquid flowing for flowing to pump chamber is formed between plunger and plunger assembly to hinder Only pump chamber pumping target process medium flows into plunger packing letter component, thus during pump group works normally, so that plunger packing Letter component is effectively isolated with pumping target process medium formation, and for coal slurry pump, method is usually to be interrupted injection interruption Discharge or be continuously injected into continuous discharge injection liquid；
Injection liquid working method is when being continuously injected into continuous discharge, and working method can be any one effective work side Formula, common working method is:
Injecting liquid working method is when being interrupted injection intermittent discharge, and working method can be any one effective work side Formula, common working method is:
2. the 2nd packing seal and low-pressure washing oil system
Between the 1st filler (high pressure filling) and the 2nd filler (low pressure filler), the suitable low-pressure washing of setting pressure Chamber prevents at the leakage media flow from high pressure sealing side to the 3rd packing seal of outermost, therefore, rinses chamber operation pressure Power is lower than seal chamber operating pressure, has a small amount of Seal Oil that can flow to by the gap between the 2nd packing seal and plunger and rinses Chamber；
When pump group works normally, low-pressure washing oil enters through flushing oil injection hole rinses chamber maintenance operating pressure such as 1.00 ~1.10MPa (G), then low-pressure washing oil through low-pressure washing oil discharge hole be discharged stuffing-box, it would be possible to it is existing come self-sealing The crossfire Seal Oil of chamber, the crossfire injection oil for carrying out self seeding chamber take flushing cavity out of together；
3. the 3rd packing seal and low pressure seal oil system
The function of outermost packing seal is sealed plunger, prevents the medium from high pressure sealing side from leaking to external contamination Environment, while preventing the lubricating oil from power end from invading pollution stuffing-box box plunger surface；
When pump group works normally, the sealed oily injection hole of low pressure seal oil enters seal chamber and maintains operating pressure such as 1.10 ~1.20MPa (G), then stuffing-box is discharged in most sealed oil discharge holes of Seal Oil, since seal chamber operating pressure is high In rinsing chamber operating pressure, there is a small amount of Seal Oil that can flow to by the gap between the 2nd packing seal and plunger and rinse chamber.
The cylinder-and-piston type reciprocating pump of the conventional structure pumping cylinder of oil, injection are injected in the use of Fig. 1, conveying coal shown in Fig. 2 Liquid is regularly added in stuffing-box, is entered inside pumping cylinder after plunger housing, and injection liquid flowing through for pumping cylinder of discharge belongs to U Shape stream.
In Fig. 1, Fig. 2,7 be German-style metal lensring, and 8 be blind flange, and 9 be stud, and 10 be nut, and 12 be truss, and 13 be thermal insulation board, 14 be screw, and 15 be pump assembly (pumping cylinder), and 16 be pin, 171 be feed check valve (171-1 be valve body, 171-2 valve seat, 171-3 is valve ball guide sleeve, 171-4 valve ball), 172 be that (172-1 is valve body to discharge check valve, 172-2 valve seat, 172-3 are valve Ball guide sleeve, 172-4 valve ball), 18 be nut, and 19 be stud, and 20 be discharge pipe, and 21 be pin, and 22 be stud, and 23 be nut, 24 be German-style metal lensring, and 25 be supporting studs, and 26 be nut, and 27 be stud, and 28 be round nut, and 29 be nut-protecting sleeve, and 30 be long spiral shell Set, 31 be stud, and 32 be nut, and 33 be catheter, and 34 be thermal insulation board, and 35 be heat insulating washer, and 36 be briquetting, and 37 be German-style metal lensring, 38 be screwed flange, and 39 be stud, and 40 be nut, and 41 is blue for different cervical approach, and 42 be stud, and 43 be nut, and 44 be gasket, and 45 are Bend pipe flange, 111 be plunger, and 115 be stuffing-box, and 119 be plunger housing, and 151 is rinse oil-in, and 152 is rinse oil export, 191 be the injection through-hole for injecting liquid, and 251 be sealing oil-in, and 252 be sealing oil export, and 701 be steam inlet, and 702 be steam Outlet, R100 is first of filler, R200 is second filler, R300 is third road filler, R700 steam insulation collet.
In Fig. 2, components described below number has been marked:
1. N01 is outside gland (third gland), the exterior portion of outside gland N01 is threaded Pairing thread segment on the inside of the outer end of external end head N01c, N01c and outside stuffing box (third stuffing box) N06 cooperates completion group It loads and is solidly connected positioning, while being the compacting part of outside filler (third filler) N03, realize to the reasonable of the 3rd filler N03 Precompression and compression deformation, so that the 3rd filler N03 and plunger 111 are fitted close；
2. N02 is gasket ring on the outside of outside filler (third filler)；
3. N03 is outside filler (third filler)；
4. N04 is long away from gasket ring on the inside of outside filler (third filler)；
5. N05 is static sealing ring；
6. N06 is outside stuffing box (third stuffing box) (intermediate filler i.e. the second gland)；
7. N07 is gasket ring on the outside of intermediate filler (the second filler)；
8. N08 is intermediate filler (the second filler)；
9. N09 is gasket ring on the inside of intermediate filler (the second filler)；
It is threaded compressing member 10. N10 is the compressing member of intermediate filler (the second filler)), with 115 outer end of stuffing-box The pairing thread segment cooperation of inside completes assembling and is fastenedly connected positioning, while being the compressed part of intermediate filler (the second filler) N08 Part realizes the reasonable precompression to the 2nd filler N08 and compresses deformation, so that the 2nd filler N08 and plunger 111 are fitted close；
N51 is long away from gasket ring on the outside of main filler (the first filler)；
N52 is main filler (the first filler)；
N53 is fastener on the right side of main filler (the first filler), while the injection oil flow guide sleeve for being；
N531 is that the aperture arranged on guide sleeve is rinsed on the right side of main filler (the first filler), is connected with injection liquid interface 191 It is logical；
N54 is locating piece, the preload piece of the flushing guide sleeve of main filler (the first filler) front end.
Cylinder-and-piston type reciprocating pump as shown in Figure 1 can be used for the conveying of direct hydrogenation liquefaction of coal device coal, charging row Journey, the working method of discharge stroke are as follows:
1. plunger is far from pumping cylinder, pumping cylinder in the charging stroke that pumping cylinder 15 is in pumping target liquid material (such as coal) The liquid level of interior pumping target liquid material (such as coal) rises, and does not allow to pump target liquid material (such as oily coal under normal circumstances Slurry) plunger housing, (isolation targeted failure) in stuffing-box are entered beyond pumping cylinder；In general, simultaneously in plunger housing and/or plunger The injection liquid of stuffing-box injection, then enter in plunger housing and/or plunger packing letter, increase pumping cylinder memory injection liquid it is total Amount；
2. plunger is close or enters pump in the discharging process that pumping cylinder 15 is in pumping target liquid material (such as coal) Cylinder, the liquid level decline of the pumping target liquid material (such as coal) in pumping cylinder pass through the side opening of 33 lower part of catheter, flow into Rise inside catheter 33 along interior column compartment 33IN-V and pumping cylinder Outlet check valves are finally discharged；Pumping cylinder Outlet check valves are discharged Target liquid material is pumped, while injection liquid (on long terms, certain with injection liquid) may be carry, enters the pumping of pump chamber in this way Target liquid material and injection liquid have been discharged the pump housing.
Structure, the mode of operation of piston reciprocation sealing of the present invention are described below in conjunction with Fig. 3.
Fig. 3 is the present invention intermediate the 1st kind of technology for rinsing tri- material filling type reciprocation sealing of Qiang and its reciprocating pump of pressurization The structural schematic diagram of scheme.
Use the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization and its reciprocating pump the 1st of the invention shown in Fig. 3 In kind technical solution, with the difference shown in Fig. 2 with the technical solution for rinsing tri- material filling type reciprocation sealing of Qiang among low pressure It is: flushing chamber technical solution in the centre of low pressure shown in Fig. 2 is transform as back and forth close with intermediate flushing tri- material filling type of Qiang of pressurization Envelope, can make pumping cylinder main liquid nuisance (high-temp liquid, high solid concentration slurries, corrosivity or firing property or toxic or radioactivity etc. The strong component of illeffects) it passes through the 1st packing seal and leaks to the intermediate probability for rinsing chamber and drop significantly to almost zero, also it is conducive to centre Flushing liquor enters service life of the gap of the 1st packing seal and plunger to lubricate, cool down them, extend them, is conducive to drop Low high pressure injects oil consumption, is remarkably improved the operational safety of plunger end, expands plunger reciprocating pump application range.
The 1st kind of organization plan with the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization of the invention shown in Fig. 3, It can be applied to the occasion for being arbitrarily suitble to it to apply, can be applied to the plunger packing sealing of plunger reciprocating pump, can also apply In the system of other equipment or machinery other than plunger reciprocating pump.
1st kind of technical solution of the invention shown in Fig. 3, injection liquid working method can be any one effective work Make mode, for interruption injection intermittent discharge or continuous discharge can be continuously injected into.
1st kind of technical solution of the invention shown in Fig. 3, function and working method are as follows:
(1) high pressure injection liquid system and the oily flow guide sleeve of injection
As shown in figure 3, the 1st packing seal of close pumping cylinder side is main packing seal, and task is resistance when working normally Make it as far as possible should not be to side flowing, leakage far from pumping cylinder, in order to prevent the pumping target from pumping cylinder every high-pressure medium Nuisance (low temperature liquid material, high-temp liquid, solid slurry, corrosivity or firing property or toxic or radioactivity etc. in processing medium Component) enter sealed packing (airtight and watertight padding) position of plunger, or prevent high-temperature medium (cryogenic media) from entering plunger housing Middle contact plunger generates the thermal deformation (cold deformation) transfinited, or prevent solid particle from entering the sealed packing of plunger (sealing is filled out Material) position and aggravate the abrasion of packing, perhaps prevent corrosive media enter contact plunger in plunger housing generate corrosion or It prevents harmful constituent medium from entering in plunger housing and is leaked into environment or contact human body；
As shown in figure 3, between the 1st packing seal and pumping cylinder, setting injection liquid system, setting injection liquid L01 interface 191, injection liquid L01 pass through interface 191, flow through the through-hole N531 on flow guide sleeve N53, into the injection pendular ring on flow guide sleeve N53 It is contacted in shape slot with the outer plunger surface moved back and forth, overwhelming majority injection liquid passes through the guide sleeve N53 on the right of the 1st packing seal Gap between outer plunger surface forms oil film and flows to pumping cylinder side, lubrication, it is cooling, rinse outer plunger surface, and finally into Enter in pumping cylinder, pumping cylinder is discharged with the main fluid in pumping cylinder, in this way, the high-pressure work in plunger assembly is intracavitary, in plunger and plunger The insulating liquid flowing for flowing to pump chamber is formed between component (flow guide sleeve N53, plunger bushing) to prevent pump chamber from pumping target process medium Plunger packing letter component is flowed into, thus during pump group works normally, so that plunger packing letter component and pumping target process are situated between Matter formation is effectively isolated；
Inject liquid, usually viscosity be suitable for, the good nonhazardous component of lubricity, without particulate matter, with pumping target liquid material Compatible liquid material；
The dosage for injecting liquid, lower than the 8.0 weight % of weight %~10.0 of main pump flow when whole injection mode, only in column (it is not injected into injection oil when plunger advancement stroke) when getting back into journey simultaneous implantation and is lower than 0.5 weight of weight %~3.0 of main pump flow % is measured hereinafter, maintaining the isolation of related interval plunger surface, rinsing, lubrication, cooling demand；
High pressure injects the work purpose of liquid system, is access injection oil, makes the outer plunger surface for injecting oil with moving back and forth Contact forms annular oil film around plunger, and injects liquid and form oil by the gap between guide sleeve N53 and outer plunger surface Film is flowed to pumping cylinder side, realizes the flowing of flow rates controlled, is guaranteeing sufficient lubrication, cooling, the premise for rinsing outer plunger surface Under the conditions of, it can control, reduce the dosage for injecting liquid and a set of high pressure clearance seal, conducive to pumping target contact master is prevented Packing seal improves working efficiency and the safety of whole pump group；
Therefore, the build-in components of the build-in components of plunger bushing 119 relevant to high pressure injection liquid system, stuffing-box 115, Structure type can be any one effective structure type, can be a component or 2 each components or multiple components Composite structure；
The composition of the injection sap cavity, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures；
The composition of the flow guide sleeve N53 can be selected from following a kind:
1. baffle liner, i.e. short distance guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width≤4.0；
2. flow guide sleeve is grown away from guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width >=4.0.
(2) the 1st packing seals (high pressure filling sealing)
As shown in figure 3, when working normally, because of pumping cylinder band press operation (such as the mesohigh article on the right side of the 1st packing seal Part), it is that the master of plunger fills out that therefore, the working condition of the 1st packing seal, which is packing seal with pressure (or mesohigh packing seal), Material sealing；
As shown in figure 3, main filler N52 includes 5 packing rings, left side is long away from gasket ring N51, and right side is that injection liquid is led To set N53, guide sleeve N53 is the compacting part of main filler N52, the positioning that guide sleeve N53 is arranged by plunger outer ring simultaneously Component N54 is supported by plunger bushing 119, is realized the reasonable precompression to main filler N52 and is compressed deformation, makes winner filler N52 It is fitted close with plunger 111；
As shown in figure 3, injection liquid L01 can use the working method of plunger backhaul simultaneous implantation, when the plunger of component M01 In backhaul stroke, pumping cylinder 15 sucks liquid material, before injecting the injection pump plunger action of liquid to the main packing seal of the plunger of component M01 Injection sap cavity injected, accordingly even when insulating liquid string crosses the 1st packing seal, the main fluid in pumping cylinder has also been isolated, and real On border, the pressure for generally going through the pressurization flushing oil that interface 151 continues through flushing chamber is higher than the operating pressure of pumping cylinder charging, this In sample plunger return stroke, it is not injected into liquid (may entrainment pumping target liquid material) substantially and went here and there the 1st packing seal；Work as component For the plunger of M01 in forward stroke, liquid material is discharged in pumping cylinder 15, as the operating pressure of pumping cylinder 15 is equal to or less than pressurization flushing chamber Operating pressure is then not injected into liquid (may entrainment pumping target liquid material) and went here and there the 1st packing seal, substantially even if the behaviour of pumping cylinder 15 Make pressure and be higher than the operating pressure formation pressure difference 12DP that chamber is rinsed in pressurization, which, which is also far below, " rinses chamber technology among low pressure Operating pressure is higher than the operating pressure formation pressure difference 12DP that chamber is rinsed in pressurization when scheme ", accordingly, it is possible to have close across the 1st filler The leakage rate of the injection liquid (may carry pumping target liquid material secretly) of envelope is greatly lowered, that is, realizes target of the invention；
As shown in figure 3, going here and there injection liquid (may the entrainment pumping target liquid material) pollution the of the 1st packing seal in order to prevent Two packing seals (low pressure packing seal) are provided with and are pressurized intermediate flushing liquor system, and it is logical to be pressurized the intermediate operating pressure for rinsing chamber The operating pressure at least 1.0MPa for rinsing chamber when being often higher than " rinsing chamber technical solution among low pressure " among low pressure, is pressurized intermediate punching Wash the operating pressure of chamber usually above pumping cylinder 15 discharge operating pressure 30%, be generally greater than the discharge operating pressure of pumping cylinder 15 50%；
As shown in figure 3, main packing seal is selected according to concrete application conditions, it is close to can be any one suitable filler Envelope, such as felt seal, soft packing seal, hard packing sealing, extrusion pressing type sealing, lip packing etc., soft packing seal may make Filler material has rubber, synthetic fibers, asbestos, synthetic resin, flexible filler, oil immersion graphite packing, carbon fiber, high intensity Carbon fiber etc., a kind of document that recording sealing technique are: 1. publication title: " Seal Design handbook ", full volume content are especially 1 Page~11, page 85~95, page 171~186；2. retrieval is encoded with books: ISBN coding: 978-7-122-04682-6；3. China Depository library CIP data core word (2009) the 011902nd；4. chief editor: Fu Ping, Changde function；5. publishing house: chemical industry goes out Version society；The document describes dynamic sealing, the structure of packing seal, material and design method in detail；
1st packing seal (high pressure filling sealing) S1, structure type can be any one effective structure type, can To be the composite structure an of component or 2 each components or multiple components；
Main packing seal S1, composition can be selected from a kind or several following of combination:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings；
(3) intermediate flushing liquor system and intermediate flushing chamber runner
As shown in figure 3, setting pressure is suitable between the 1st filler (high pressure filling) and the 2nd filler (pressurization filler) Pressurization among rinse chamber, function has two, and the first function is to rinse isolation, prevents the leakage medium from the 1st packing seal It flows at the 2nd packing seal of outside and pollutes and destroy it, the second function is to prevent the leakage medium from the 2nd packing seal (may contain Seal Oil, dust), which flows through the 2nd packing seal and enter the intermediate chamber that rinses of pressurization, pollutes it；
As shown in figure 3, setting is pressurized intermediate flushing liquor system, setting is pressurized intermediate flushing liquor W01 interface 151, flushing liquor W01 by interface 151, into the pressurization flushing liquor annular groove on stuffing-box in contacted with the outer plunger surface of reciprocating motion, The gap being pressurized between intermediate flushed channel and outer plunger surface forms oil film and flows to intermediate flushing liquor outlet is pressurized, and rushes simultaneously It washes, lubricate, cooling down the outer plunger surface being in contact with it, and finally discharge stuffing-box leaves the pump housing；
As shown in figure 3, discharge stuffing-box leaves flushing liquor among the pressurization of the pump housing, it can be after the treatment processes such as filtering It is recycled, can be and do not do it after single trip use and use, for example may be used as the pumping target liquid material of reciprocating pump and enter technique system System；
The embedding structure or component of stuffing-box 115 relevant to intermediate flushing liquor system is pressurized, structure type can be Any one effective structure type can be the composite structure an of component or 2 each components or multiple components；
The intermediate operating pressure for rinsing sap cavity of pressurization, can according to need determination, operating pressure can be less than or equal to Or the operating pressure higher than pumping cylinder, its usual operating pressure are lower than the operating pressure of pumping cylinder, secondly rinse sap cavity among pressurization Operating pressure is generally higher than the operating pressure of pumping cylinder main feed, and in such plunger return stroke, being not injected into liquid substantially (may Entrainment pumping target liquid material) went here and there the 1st packing seal；The intermediate operating pressure for rinsing chamber of pressurization is usually above " punching among low pressure Wash chamber technical solution " when low pressure among rinse the operating pressure at least 1.0MPa of chamber, it is logical to be pressurized the intermediate operating pressure for rinsing chamber Often it is higher than the 50% of the 30% of the discharge operating pressure of pumping cylinder 15, the discharge operating pressure of generally greater than pumping cylinder 15；
Be pressurized intermediate flushing liquor, usually viscosity be suitable for, the good nonhazardous component of lubricity, the liquid material without particulate matter；
It is pressurized the dosage of intermediate flushing liquor, usually less than 0.3 weight of weight %~0.7 % of main pump flow is hereinafter, maintain The flushing of related interval plunger surface, lubrication, cooling demand；
As shown in figure 3, being pressurized intermediate flushing oil when pump group works normally through intermediate flushing oil injection hole 151 and entering filler Rinsing chamber among letter and maintaining operating pressure is such as the 35% of pumping cylinder blowdown pressure, and it is intermediate through pressurization to be then pressurized intermediate flushing oil It rinses oil discharge hole 152 and stuffing-box is discharged；It is rinsed since pressurization is intermediate when chamber operating pressure is usually less than pump chamber discharge stroke Operating pressure, might have denier high pressure injection oil can be flowed to by the gap between the 1st packing seal and plunger it is close Envelope rinses chamber, it is understood that there may be the crossfire injection oil from the 1st packing seal, that may be present come from the 2nd packing seal Crossfire lubricating oil and other non-intermediate flushing oil liquid rinse cavity by flushing oil discharge is intermediate among outlet together；
The composition that sap cavity is rinsed among the pressurization, can be selected from a kind or several following of combination:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures；
(4) second packing seals (pressurization packing seal)
The function of second packing seal is to prevent the leakage media flow from the 1st packing seal to the 3rd filler of outside It pollutes at sealing and destroys it, while preventing the lubricating oil string from power end from crossing the 3rd packing seal intrusion the 1st filler of pollution Sealing and plunger surface；
As shown in figure 3, the 2nd filler N08 includes 4 packing rings, left side is that the 2nd gland N06 (while being the 3rd to fill out Expect airtight and watertight padding case), right side is gasket ring N09, the threaded external end head N10 of the exterior portion of the 2nd gland N06 with fill out Expect that the pairing thread segment cooperation on the inside of the outer end of letter 115 completes assembling and is fastenedly connected positioning, while being the pressure of the 2nd filler N08 Tight component realizes the reasonable precompression to the 2nd filler N08 and compresses deformation, so that the 2nd filler N08 closely matches with plunger 111 It closes；
As shown in figure 3, the 2nd packing seal is selected according to concrete application conditions, it is close to can be any one suitable filler Envelope, such as felt seal, soft packing seal, hard packing sealing, extrusion pressing type sealing, lip packing etc., soft packing seal may make Filler material has rubber, synthetic fibers, asbestos, synthetic resin, flexible filler, oil immersion graphite packing etc., and a kind of record is close The document of encapsulation technique is: 1. publication title: " Seal Design handbook ", full volume content are especially page 1~11, page 85~95,171 Page~186；2. retrieval is encoded with books: ISBN coding: 978-7-122-04682-6；3. Chinese depository library CIP data core Word (2009) the 011902nd；4. chief editor: Fu Ping, Changde function；5. publishing house: Chemical Industry Press；The document is discussed in detail Dynamic sealing, the structure of packing seal, material and design method；
2nd packing seal (pressurization packing seal) S2, structure type can be any one effective structure type, can To be the composite structure an of component or 2 each components or multiple components；
2nd packing seal (pressurization packing seal) S2, composition can be selected from a kind or several following of combination:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings；
When due to rinsing the operating pressure of chamber among pressurization usually above " rinsing chamber technical solution among low pressure " in low pressure Between rinse chamber operating pressure, therefore, the pressure difference of the both ends of the surface along plunger axial direction of the 2nd filler significantly increases, therefore the 2nd filler The thickness along plunger axial direction, can significantly thicken in contrast, as shown in figure 3, the 2nd filler N08 use 4 packing rings；
(5) seal flush liquid system and flushing chamber runner
As shown in figure 3, setting pressure is suitable between the 2nd filler (low pressure filler) and the 3rd filler (pressurization filler) Low pressure seal rinse chamber, function has three, and the first function is to rinse isolation, prevents the leakage medium from the 1st packing seal The 2nd packing seal of going here and there, which leaks at the 3rd packing seal of outermost, pollutes, destroys it, and the second function is sealed plunger, is prevented It only sealflushes intracavitary medium and environmental pollution atmosphere, personnel is leaked by the 3rd packing seal of outermost, while preventing from coming The lubricating oil at ultromotivity end passes through the 3rd packing seal intrusion pollution stuffing-box, plunger surface；
As shown in figure 3, setting seal flush liquid system, is arranged seal flush liquid K01 interface 251, seal flush liquid K01 is logical Cross interface 251, into the seal flush liquid annular groove on stuffing-box in contacted with the outer plunger surface of reciprocating motion, sealing rush Gap between washing trough and outer plunger surface forms oil film and flows to seal flush liquid outlet, at the same rinse, lubricate, cool down with Its outer plunger surface contacted, and finally discharge stuffing-box leaves the pump housing；
As shown in figure 3, discharge stuffing-box leaves the seal flush liquid K01 of the pump housing, it can be after the treatment processes such as filtering It is recycled, can be and do not do it after single trip use and use, for example may be used as the pumping target liquid material of reciprocating pump and enter technique system System；
The embedding structure or component of stuffing-box 115 relevant to seal flush liquid system, structure type can be arbitrarily A kind of effective structure type can be the composite structure an of component or 2 each components or multiple components；
The operating pressure for sealflushing sap cavity, can according to need determination, usually first have to guarantee that seal flush liquid will not It leaks out the 3rd packing seal and enters environmental pollution atmosphere, personnel, next operating pressure for sealflushing sap cavity, which is normally below, to be increased The intermediate operating pressure for rinsing chamber of pressure, in such plunger return stroke, might have it is a small amount of increase intermediate flushing liquor (may entrainment pump Send target liquid material) went here and there the 2nd packing seal, the operating pressure for usually sealflushing sap cavity certainly is greater than the operation pressure of external environment Power；
Seal flush liquid, usually viscosity be suitable for, the good nonhazardous component of lubricity, the liquid material without particulate matter；
The dosage of seal flush liquid, usually less than 0.1 weight of weight %~0.5 % of main pump flow are hereinafter, remain related The flushing of section plunger surface, lubrication, cooling demand；
As shown in figure 3, the sealed flushing oil injection hole 251 of low pressure seal flushing oil K01, which enters, to be filled out when pump group works normally Expect that letter seal chamber maintains operating pressure such as 1.10~1.20MPa (G), then the sealed flushing oil discharge hole of seal flushing oil 252 discharge stuffing-boxes, it is understood that there may be crossfire from the 2nd packing seal be pressurized intermediate flushing oil, that may be present come from The crossfire lubricating oil (may contain dust) and other non-tight flushing oil liquid of 3rd packing seal are sealed by outlet rush together Cavity is sealflushed in washing oil discharge；
The composition for sealflushing sap cavity can be selected from a kind or several following of combination:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures；
(6) third packing seal (low pressure packing seal)
The function of outermost packing seal is sealed plunger outer end, prevent leakage media flow from the 2nd packing seal, It penetrates the 3rd packing seal of outermost and leaks to external contamination ambient air and personnel, while preventing the lubrication from power end Oil intrusion pollution stuffing-box and plunger surface；
As shown in figure 3, the 3rd filler N03 includes 3 packing rings, left side is the 3rd filler gasket ring N02, and right side is gasket ring N04, the threaded external end head N01c of the exterior portion of the 3rd gland N01 and stuffing box N06 (and gland of the 2nd filler) Outer end on the inside of the cooperation of pairing thread segment complete assembling and be fastenedly connected positioning, reasonable precompressed of the realization to the 3rd filler N03 Power and compression deformation, so that the 3rd filler N03 and plunger 111 are fitted close；
As shown in figure 3, the 3rd packing seal is selected according to concrete application conditions, it is close to can be any one suitable filler Envelope, such as felt seal, soft packing seal, hard packing sealing, extrusion pressing type sealing, lip packing etc., soft packing seal may make Filler material has rubber, synthetic fibers, asbestos, synthetic resin, flexible filler, oil immersion graphite packing etc., and a kind of record is close The document of encapsulation technique is: 1. publication title: " Seal Design handbook ", full volume content are especially page 1~11, page 85~95,171 Page~186；2. retrieval is encoded with books: ISBN coding: 978-7-122-04682-6；3. Chinese depository library CIP data core Word (2009) the 011902nd；4. chief editor: Fu Ping, Changde function；5. publishing house: Chemical Industry Press；The document is discussed in detail Dynamic sealing, the structure of packing seal, material and design method；
3rd packing seal (low pressure packing seal) S3, structure type can be any one effective structure type, can To be the composite structure an of component or 2 each components or multiple components；
3rd packing seal S3, composition can be selected from a kind or several following of combination:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings.
Use the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization and its reciprocating pump the 1st of the invention shown in Fig. 3 Kind organization plan, can be used for high-temperature oil-coal slurry cylinder-and-piston type reciprocating pump, design pressure is reachable up to 2.0~30MPa, design temperature 350 DEG C, for the discharge operating pressure of coal up to 2.0~25MPa, operation temperature up to 330 DEG C, the operation temperature for injecting oil can Up to 150 DEG C；Injection oil serves as pump cylinder cooling oil, coal isolation oil in pumping cylinder.
Fig. 4 is the present invention intermediate the 2nd kind of technology for rinsing tri- material filling type reciprocation sealing of Qiang and its reciprocating pump of pressurization The structural schematic diagram of scheme.
The structural schematic diagram of 2nd kind of technical solution of the invention shown in Fig. 4, with the 1st kind of skill of the invention shown in Fig. 3 Art scheme the difference is that: by the steam inlet 701 of technical solution shown in Fig. 3, steam (vapor) outlet 702, steam insulation collet R700 All cancel, while shortening the length of plunger bushing 119, conducive to the dynamic stability for increasing pump group, is suitable for pumping cylinder operation temperature Spend lower occasion.
Fig. 5 is the present invention intermediate the 3rd kind of technology for rinsing tri- material filling type reciprocation sealing of Qiang and its reciprocating pump of pressurization The structural schematic diagram of scheme.
Of the invention with rinsing the of tri- material filling type reciprocation sealing of Qiang and its reciprocating pump among pressurization shown in Fig. 5 In 3 kinds of organization plans, 2 packing seal centralized arrangements are in stuffing-box outer end (far from pumping cylinder end), 1 high pressure filling sealing arrangement In in the pressure bearing and seal cavity being made of 115 front end inner cavity of stuffing-box, 119 rear end inner cavity of plunger bushing and most of plunger that is arranged in In the cavity for covering 119 rear end inner cavities, with 1 traditional high pressure filling sealing arrangement shown in Fig. 3 in by 115 front end of stuffing-box In the pressure bearing and seal cavity that chamber, 119 rear end inner cavity of plunger bushing are constituted and major part is arranged in the cavity of 115 rear end inner cavity of stuffing-box Interior scheme is compared, stuffing-box 115, plunger bushing 119 overall length can shorten, the span of 2 fillers of lie farthest away more Greatly, it conducive to preventing plunger center of gravity from losing support, conducive to the overall stability of enhancing plunger reciprocating pump, and manufactures, assembly, repair more It is convenient to add.
Fig. 5 shows the 3rd kind of organization plan with the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization of the invention, It can be applied to the occasion for being arbitrarily suitble to it to apply, can be applied to the plunger packing sealing of plunger reciprocating pump, can also apply In the system of other equipment or machinery other than plunger reciprocating pump.
3rd kind of technical solution of the invention shown in fig. 5, function and working method are as follows:
(1) high pressure injection liquid system and the oily flow guide sleeve of injection
As shown in figure 5, between the 1st packing seal and pumping cylinder, setting injection liquid system, setting injection liquid L01 interface 191, injection liquid L01 pass through interface 191, flow through the through-hole N531 on flow guide sleeve N53, into the injection pendular ring on flow guide sleeve N53 It is contacted in shape slot with the outer plunger surface moved back and forth, overwhelming majority injection liquid passes through the guide sleeve N53 on the right of the 1st packing seal Gap between outer plunger surface forms oil film and flows to pumping cylinder side, lubrication, it is cooling, rinse outer plunger surface, and finally into Enter in pumping cylinder, pumping cylinder is discharged with the main fluid in pumping cylinder, in this way, the high-pressure work in plunger assembly is intracavitary, in plunger and plunger The insulating liquid flowing for flowing to pump chamber is formed between component (flow guide sleeve N53, plunger bushing) to prevent pump chamber from pumping target process medium Plunger packing letter component is flowed into, thus during pump group works normally, so that plunger packing letter component and pumping target process are situated between Matter formation is effectively isolated；
As shown in figure 5, the built-in portion of the build-in components of plunger bushing 119 relevant to high pressure injection liquid system, stuffing-box 115 Part, structure type can be any one effective structure type, can be a component or 2 each components or multiple portions The composite structure of part；
The composition of the injection sap cavity, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures；
The composition of the flow guide sleeve N53 can be selected from following a kind:
1. baffle liner, i.e. short distance guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width≤4.0；
2. flow guide sleeve is grown away from guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width >=4.0.
As shown in figure 5, main filler N52 includes 5 packing rings, left side is long away from gasket ring N51, and right side is that injection liquid is led To set N53, guide sleeve N53 is the compacting part of main filler N52, the positioning that guide sleeve N53 is arranged by plunger outer ring simultaneously Component N54 is supported by plunger bushing 119, is realized the reasonable precompression to main filler N52 and is compressed deformation, makes winner filler N52 It is fitted close with plunger 111；
(2) the 1st packing seals (high pressure filling sealing)
As shown in figure 5, main packing seal is selected according to concrete application conditions, it is close to can be any one suitable filler Envelope, such as felt seal, soft packing seal, hard packing sealing, extrusion pressing type sealing, lip packing etc., soft packing seal may make Filler material has rubber, synthetic fibers, asbestos, synthetic resin, flexible filler, oil immersion graphite packing, carbon fiber, high intensity Carbon fiber etc., a kind of document that recording sealing technique are: 1. publication title: " Seal Design handbook ", full volume content are especially 1 Page~11, page 85~95, page 171~186；2. retrieval is encoded with books: ISBN coding: 978-7-122-04682-6；3. China Depository library CIP data core word (2009) the 011902nd；4. chief editor: Fu Ping, Changde function；5. publishing house: chemical industry goes out Version society；The document describes dynamic sealing, the structure of packing seal, material and design method in detail；
As shown in figure 5, the 1st packing seal (high pressure filling sealing) S1, it is effective that structure type can be any one Structure type can be the composite structure an of component or 2 each components or multiple components；
As shown in figure 5, main packing seal S1, composition can be selected from a kind or several following of combination:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings.
Fig. 6 is the present invention intermediate the 4th kind of technology for rinsing tri- material filling type reciprocation sealing of Qiang and its reciprocating pump of pressurization The structural schematic diagram of scheme.
The structural schematic diagram of 4th kind of technical solution of the invention shown in fig. 6, with the 3rd kind of skill of the invention shown in fig. 5 Art scheme the difference is that: by the steam inlet 701 of technical solution shown in Fig. 5, steam (vapor) outlet 702, steam insulation collet R700 All cancel, while shortening the length of plunger bushing 119, conducive to the dynamic stability for increasing pump group, is suitable for pumping cylinder operation temperature Spend lower occasion.
Reciprocation sealing of the invention shown in Fig. 3~Fig. 6 can replace the reciprocal close of plunger reciprocating pump shown in FIG. 1 Envelope, to form the plunger reciprocating pump of new structural reciprocation sealing；In Fig. 3~Fig. 6, except plunger packing letter component of the invention Technical solution component outside, function, structure phase of the function, structure for the other components not represented with component shown in Fig. 1 Same or close, the relative position between certain component may need to adjust, these belong to the technology of conventional known range.
In Fig. 3~Fig. 6, the knot of the equivalent any suitable form of other functions is also can be used in the component or component shown Component is replaced.
The component of plunger packing letter component and other functions of the invention, can form integral component.
The plunger packing letter component that function of the present invention can be used, it is mutual with other applicable known technologies or patented technology Combination, constitutes applicable cylinder-and-piston type reciprocating pump.
With the matching used pumping cylinder of plunger packing letter component of the invention, the pumping cylinder of any suitable architecture can be.
The plunger packing letter component of function of the present invention can spray resistance to usually using anticorrosive, abrasion resistant materials on its surface Abrasive coating, to extend the service life.
It realizes concrete mode of the invention, can be any one suitable mode, not by specific side shown in the accompanying drawings The limitation of formula；Items standalone feature shown in figure can be combined with each other into a variety of suitable schemes.
Specific embodiment
The present invention described in detail below.
Pressure of the present invention, refers to absolute pressure.
Concentration of component of the present invention is weight concentration i.e. mass concentration when not specified.
Material containing solid-liquid of the present invention refers to solids-laden fluid material, such as direct hydrogenation liquefaction of coal raw material Coal.
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, it is high to be suitable for conveying Geothermal liquid or cryogenic liquid are suitable for conveying slurries containing solid particle or and liquid material containing corrosive component or and containing firing property group Liquid separation material or the High Pressure Difference room temperature used with poisonous component liquid material or liquid material containing radioactive component, such as direct hydrogenation liquefaction of coal device Coal slurry pump, High Pressure Difference medium temperature coal slurry pump, High Pressure Difference high-temperature coal pulp pump, High Pressure Difference high temperature rinse oil pump.
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, it can be used for coal hydrogenation The High Pressure Difference high-temperature pipe or instrument that direct liquefaction device uses rinse oil pump, High Pressure Difference high-temperature coal pulp pump, particularly suitable for coal The high pressure coal feed pump for adding hydrogen direct liquefaction process CTL to use, effect be will about 50wt% solid particle coal Enter coal slurry heating stove heating after boosting to about 10~20MPa, then enters and carry out hydrogenation reaction in reactor.
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, flow can be installed Measuring cell such as flowmeter, pressure measuring element such as pressure gauge etc..
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, in order to guarantee pump group The stability of dynamic balance stability and discharge flow generally selects 1 column according to the size of the total flow of the material containing solid-liquid of conveying The pump-type such as plug, 3 plungers, 5 plungers will not usually select the pump-type such as pump-type such as 2 plungers, 4 plungers, 6 plungers of even number plunger.Cause This, one kind material containing solid-liquid pressurization reciprocating pump of the present invention can be single plunger reciprocating pump, can be multi-plunger reciprocating pump, than Such as select 3 plungers, 5 plungers, 7 plunger pump-type.
A kind of mounting means of material containing solid-liquid pressurization reciprocating pump of the present invention, pump cylinder or pump housing be usually be vertical Formula arrangement, plunger rod, stuffing-box, plunger housing are usually horizontal arrangement.
It is of the present invention to use the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization and its reciprocating pump, driving equipment To be with any suitable form prime mover, such as motor, variable-frequency motor, steam turbine, usually selection motor；Due to reciprocating pump Reciprocating frequence is usually very low, and drive system usually matches gearbox or speed changer when using motor, reciprocal to adapt to The low reciprocating frequence requirement of pump；In order to increase the flexibility and adjustable range of flow adjusting, variable-frequency motor can be used, need at this time Mating frequency converter is wanted, in order to improve the safety of frequency conversion system, can preparing 2 sets of frequency converters simultaneously, (working method is 1 with 1 It is standby).
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, as needed, lead to Standing set sealflushes oil system, and seal flushing oil injects between low pressure filler and high pressure filling, plays lubrication and takes away possibility Pass through high pressure filling bring solid particle.
It is of the present invention to rinse tri- material filling type reciprocation sealing of Qiang and its reciprocating pump with pressurization is intermediate, as needed, lead to Standing to set injection oil system, the injection oil largely or entirely eventually enters into pumping target liquid material is discharged the pump housing therewith；Institute Injection oil is stated, usually will not bring the clean liquid material without solid of harm to the operation of process fluid, for example be exactly and work The clean liquid material of skill fluid joint processing.
It is of the present invention to use the intermediate flushing tri- material filling type reciprocation sealing of Qiang of pressurization and its reciprocating pump as needed It to form skid structure, is easily installed, is conducive to enhancing dynamic stability.
High pressure filling sealing member material can choose any appropriate material, for example can resist pumping target liquid material group Divide the sealing material of burn into abrasion.
(such as elastic backing ring, becket, guide sleeve etc., elastic backing ring can be dish to the auxiliary equipment of high pressure filling sealing element Spring) material, it can choose any appropriate material, for example the sealing material of pumping target liquid material component burn into abrasion can be resisted Material, usually steel, particularly can be the high alloy material of heat transfer coefficient.
The structure type of plunger packing letter component of the present invention can be any one suitable structure, should fully consider system The convenience make, install, overhaul, replaced.
The mounting means of plunger packing letter component of the present invention, can be self filler letter side assemble in advance, then assembles post Plug sleeve side can be from plunger bushing side and assemble in advance, then assemble stuffing-box side.
Plunger packing letter component of the present invention can form sub-assembly with other components.
The working method of insulating liquid can be primary injection and be used for a long time or be interrupted injection intermittent discharge or continuous note Enter continuous discharge, the isolation injection liquid of discharge, which can eventually enter into the pump chamber of the pump housing, is discharged pump chamber with working media.
The working method of seal flush liquid can be the working method of interruption injection intermittent discharge, be usually to be continuously injected into The working method continuously discharged.
Plunger packing letter component based on feature of present invention structure, it is possible to produce follow-on cylinder-and-piston type reciprocating pump.
The complete pump group of the cylinder-and-piston type reciprocating pump of normal work of the present invention includes at least driving end, fluid end, fluid end Generally include plunger work package (including plunger, stuffing-box, plunger housing), below in conjunction with plunger work package (including plunger, Stuffing-box, plunger housing) functional requirement and structure, introduce the relevant technologies that pump group of the present invention may be used for reference.
Be described below with cylinder-and-piston type reciprocating pump of the present invention and its same or similar prior art of system, these pump parts Structure feature and have improvement experience, is non-characteristic (the plunger packing letter of cylinder-and-piston type reciprocating pump of the present invention and its system Except component) can use for reference.
The design feature of Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB is described below and produced and used Improvement of the journey to feed inlet concetrated pipe.Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB, the interior injection liquid row of pump chamber Liquid is the working method of U-shaped flow path.
Chinese Shenhua Erdos coal oil branch company possesses the unique a set of commercialized 1,000,000 tons/year of coals in the world and adds Hydrogen direct liquefaction device, the high pressure coal feed pump used is high-pressure plunger type reciprocating pump, in document A02 " the direct liquid of coal Chemical industry skill and engineering " pages 232 to page 233 of (in February, 2015 publication time) describe it structurally and functionally, effect be by The coal of the solid particle containing 50wt% enters coal slurry heating stove heating after boosting to about 20MPa, then enters Coal liquefaction Hydrogenation reaction is carried out in device, is one of core equipment of coal liquification device, and manufacturer is that the crow of Germany draws card URACA pump industry public Department.
Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB, five cylinder single-acting fixed displacements being arranged horizontally Reciprocating plunger pump uses the reciprocating pump for having 5 imbibition exhaust chambers of 5 plungers；The lower part of imbibition exhaust chamber is equipped with ball valve The feed check valve of form, and connect with the feed-inputing branched pipe outside the pump housing with charging concetrated pipe by charging interface；Imbibition drain The top of chamber is equipped with the discharge check valve of ball valve form, passes through the discharge branch pipe and discharge set outside adaptor for product discharge and the pump housing Pipe connection.
Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB, mainly by power end, fluid end (including plunger infuse Enter oil pump, plunger rinses oil pump, import/export voltage-stablizer), the groups such as control system (including field instrument and transmitter, controller) At；Power end includes motor (including VFD frequency converter), transmission chain (including gear reduction unit, shaft coupling).
Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB, power end are to convert the rotary motion of motor At the reciprocating motion of crosshead and the plunger being mounted in crosshead.Power end includes crankshaft/main bearing shell, connecting rod/crosshead etc. Component.Crankshaft five turns, and is supported by four babbit-lined metals.
Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB, fluid end include entrance drain valve module, fill out Material and plunger etc..Outlet, entrance use ball valve, and the diameter of ball is φ 140mm.Plunger material is the special coating of 2Cr13+.Plunger Sealed letter (stuffing-box) uses simultaneous implantation+flushing+sealing structure type, and stuffing box is metal throttle+special PTFE (poly- Tetrafluoroethene) insertion ring double stuffing boxes.Injection oil injects high pressure filling, end filler by synchronously driven spindle nose syringe pump Cooled down and lubricated using Seal Oil at (the outermost gland packing far from pumping cylinder), flushing oil inject low pressure filler and Between high pressure filling, plays the role of lubricating and take away may be by high pressure filling bring solid particle.
Table 1 is the major parameter of Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB.
The major parameter of 1 Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB of table
Project Major parameter
Pump type 5 plunger horizontal pump P5-96
Flow (normal/maximum stream flow), m3/h 85.3/93.8
Suction pressure (maximum/minimum), MPa 0.458/0.41
Outlet pressure (maximum/minimum), MPa 20.11/20.04
Entrance and exit pressure difference (maximum/minimum), MPa 19.63/19.58
Net positive suction head (NPSH) (NPSHQ), m 44
Working media Coal: 47.2wt% solid+52.8wt% liquid
Viscosity (normal/min/max), Pa/s 0.034/0.013/0.081
Medium temperature (normal/maximum), DEG C 168.6/290
Pump speed (normal/maximum), r/min 74/81
Plunger linear velocity (normal/maximum), m/s 0.66/0.73
Stroke, mm 270
Diameter of plunger, mm 150
Plunger thrust, t 41
Main motor parameter 710KW, 1500r/min
Erdos coal oil branch company, Shenhua, according to device produce in coal slurry feed pump SHFB operating experience, will be oily The charging expansion joint branch pipe of coal slurry pumping cylinder picks out (arrangement before being transformed) and transform as from charging from the top of charging concetrated pipe to be collected The lower part for closing pipe picks out (arrangement after transformation), to essentially eliminate coal slurry flow dead zone, essentially eliminates and inhales in operation Inlet ball valve, valve seat uneven wear phenomenon, to extend the running life of pump and pump intake valve, improve pump safety Property, maintenance cost is reduced, about " extraction scheme of the charging expansion joint branch pipe of pumping cylinder from charging concetrated pipe top " before transformation The reason of leading to the sucking ball valve and the prooving of valve seat of coal charging high pressure reciprocating pump, " Inner Mongol petrochemical industry " 2013 11 Phase page 72, page 73 publication authors be Hao Yangyang article " brief talk DCL/Direct coal liquefaction feed pump suck ball valve wear reason and Improving Measurements " give anatomy.
A kind of plunger reciprocating pump of Chinese patent ZL 201520443034.8 and its be that the applying date is 06 month 2015 25 It unites, the function including plunger work package (including plunger, stuffing-box, plunger housing) except the plunger packing letter component of record It is required that and structure other technical information, be cylinder-and-piston type reciprocating pump of the present invention and its information that system can be used for reference or reference.
Characteristic of the invention is described below.
The present invention is pressurized intermediate flushing tri- material filling type reciprocation sealing of Qiang, it is characterised in that:
With the intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, including plunger (111), filler Letter (115), plunger bushing (119), fluid cylinder K10 further include the axis along plunger (111) from close fluid cylinder K10 to far from fluid cylinder K10 Arrange three fillers i.e. first of filler (R100), second filler (R200) and the third road filler (R300) set gradually；
The stuffing-box (115), the adjacent installation of plunger bushing (119) are assembled by holding attachment, and plunger bushing (119) leans on Nearly fluid cylinder K10, stuffing-box (115) is far from fluid cylinder K10；
Stuffing-box (115) is known as stuffing-box front end close to the one end fluid cylinder K10, and stuffing-box (115) claims far from the one end fluid cylinder K10 For stuffing-box rear end；
Plunger bushing (119) is known as plunger bushing front end close to the one end fluid cylinder K10, and plunger bushing (119) claims far from the one end fluid cylinder K10 For plunger bushing rear end；
First of filler (R100) is arranged outside in plunger (111), and is arranged in by stuffing-box (115) front end inner cavity and column In the pressure bearing and seal cavity that plug sleeve (119) rear end inner cavity is constituted；
Second filler (R200) and third road filler (R300) circumferentially and are arranged in stuffing-box outside plunger (115) in pressure bearing and seal cavity；
When normal work, plunger (111) stuffing-box (115), plunger bushing (119) inner space in back and forth transported It is dynamic while reciprocating relative to first of filler (R100), second filler (R200) and third road filler (R300)；
In course of normal operation, when the plunger of component M01 is far from the backstroke of fluid cylinder K10, fluid cylinder K10 is from feed inlet Suck liquid material；
In course of normal operation, when the plunger of component M01 is close to the forward stroke of fluid cylinder K10, fluid cylinder K10 is from discharge gate Liquid material is discharged；
Between first of filler (R100) and fluid cylinder K10, injection liquid L01 interface (191) may be set, liquid L01 is injected Into in the injection sap cavity of plunger and cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through possible setting Injection liquid conducting element (N53) flow to fluid cylinder K10, finally with fluid cylinder K10 main fluid be discharged fluid cylinder K10；
Between first of filler (R100) and second filler (R200), setting is pressurized intermediate flushing liquor W01 interface (151), intermediate flushing liquor W01 is pressurized to enter among the pressurization of plunger and cavity composition in flushing sap cavity, in plunger and pressurization Between rinse between sap cavity and form liquid layer, stuffing-box (115) then are discharged by being pressurized intermediate flushing liquor discharge outlet (152)；
Between second filler (R200) and third road filler (R300), it is arranged sealing fluid K01 interface (251), sealing Liquid K01 enters in the sealing sap cavity of plunger and cavity composition, forms liquid layer between plunger and sealing sap cavity, then passes through sealing Stuffing-box (115) are discharged in liquid discharge outlet (252).
In general, the intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, the One of filler (R100), plunger (111) outside circumferentially, and be arranged in by stuffing-box (115) front end internal cavity and plunger In the cavity for covering (119) rear end internal cavity composition；
Between first of filler (R100) and fluid cylinder K10, setting injection liquid L01 interface (191), injection liquid L01 enters In the injection sap cavity of plunger and cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through the injection liquid of setting Conducting element (N53) flows to fluid cylinder K10, and fluid cylinder K10 finally is discharged with the main fluid of fluid cylinder K10.
Piston reciprocation sealing of the present invention, first of filler (R100) circumferentially and are arranged in by filling out outside plunger In the pressure bearing and seal cavity that material letter front end inner cavity, plunger bushing rear end inner cavity are constituted, the relative position cloth of first of filler (R100) The mode of setting can be selected from following a kind:
1. first of filler (R100), is arranged in the cavity of stuffing-box front end inner cavity；
2. first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
3. first of filler (R100) is partially arranged in the cavity of stuffing-box front end inner cavity, is partially arranged in plunger bushing In the cavity of rear end inner cavity；
4. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
5. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity.
It is of the present invention to rinse tri- material filling type reciprocation sealing ASEAL of Qiang with pressurization is intermediate, inject the work side of liquid L01 Formula can be selected from following a kind:
1. injection liquid L01 use is continuously injected into, the working method of continuous draining to fluid cylinder K10, i.e., in plunger advancement stroke During the total travel of backstroke, injection liquid L01 is continuously injected into；
2. injecting liquid L01 using the working method of interruption injection, interruption drain to fluid cylinder K10；
3. injecting the working method that liquid L01 uses plunger backhaul simultaneous implantation；
4. the working method that liquid L01 uses plunger backhaul simultaneous implantation is injected, when the plunger of component M01 is in backhaul stroke When, fluid cylinder K10 sucks liquid material, injects the injection pump plunger action of liquid to the injection before first of filler (R100) of component M01 Sap cavity is rinsed；When the plunger of component M01 is in forward stroke, liquid material, injection liquid pump plunger action sucking is discharged in fluid cylinder K10 Injection oil, is not rinsed the injection sap cavity before first of filler (R100) of component M01.
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, pressurization are intermediate The working method of flushing liquor W01 can be selected from following a kind:
1. being pressurized intermediate flushing liquor W01 using the working method being continuously injected into, continuous flushing is discharged, i.e., in plunger advancement row During journey and the total travel of backstroke, flushing liquor W01 is continuously injected into；
2. being pressurized the working method that intermediate flushing liquor W01 is rinsed using interruption injection, interruption；
3. being pressurized the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation；
4. the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation is pressurized, when the plunger of component M01 is returning When Cheng Hangcheng, fluid cylinder K10 sucks liquid material, increasing of the injection pump plunger action of flushing liquor W01 to the plunger of component M01 among pressurization The intermediate sap cavity that rinses of pressure is rinsed；When the plunger of component M01 is in forward stroke, liquid material, flushing liquor W01 is discharged in fluid cylinder K10 The plunger action of injection pump suck flushing oil, be not rinsed to rinsing sap cavity among the pressurization of the plunger of component M01.
Reciprocation sealing of the present invention, one end of the close fluid cylinder K10 of first of filler (R100) are first of filler (R100) one end of front end, the separate fluid cylinder K10 of first of filler (R100) is first of filler (R100) rear end, at first Between the filler front end (R100) and fluid cylinder K10, setting injection liquid L01 interface, injection liquid L01 enters the note of plunger and cavity composition Enter in sap cavity, plunger and injection sap cavity between form liquid layer, then by setting conducting element flow to fluid cylinder K10, finally with Fluid cylinder K10 is discharged in the main fluid of fluid cylinder K10；
The composition of the injection sap cavity, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention, between first of filler (R100) and second filler (R200), setting increases Intermediate flushing liquor W01 interface (151) is pressed, intermediate flushing liquor W01 is pressurized and enters flushing liquor among the pressurization of plunger and cavity composition It in chamber, is rinsed among plunger and pressurization between sap cavity and forms liquid layer, then arranged by being pressurized intermediate flushing liquor discharge outlet (152) Stuffing-box (115) out, the liquid material that the intermediate possibility rinsed in sap cavity of pressurization is come from first of filler (R100) leakage, may The liquid material to come from third road filler (R300) leakage carries discharge stuffing-box (115)；
The composition of sap cavity is rinsed among the pressurization, can be selected from a kind or several of combination of having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention is arranged close between second filler (R200) and third road filler (R300) Sealing liquid K01 interface (251), sealing fluid K01 enter in the sealing sap cavity of plunger and cavity composition, between plunger and sealing sap cavity Liquid layer is formed, then by sealing fluid discharge outlet (252) discharge stuffing-box (115), centre is rinsed in sap cavity and is filled out from second Material (R200) reveals the liquid material to come, carries discharge stuffing-box (115) from the liquid material that third road filler (R300) leakage comes；
The composition of the sealing sap cavity, can be selected from a kind or several following of combination:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
Reciprocation sealing of the present invention, one end of the close fluid cylinder K10 of first of filler (R100) are first of filler (R100) one end of front end, the separate fluid cylinder K10 of first of filler (R100) is first of filler (R100) rear end, at first Between the filler front end (R100) and fluid cylinder K10, setting injection liquid L01 interface, injection liquid L01 enters the note of plunger and cavity composition Enter in sap cavity, plunger and injection sap cavity between form liquid layer, then by setting conducting element flow to fluid cylinder K10, finally with Fluid cylinder K10 is discharged in the main fluid of fluid cylinder K10；
The composition of the conducting element can be selected from following a kind:
1. baffle liner, i.e. short distance guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width≤4.0；
2. flow guide sleeve is grown away from guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width >=4.0.
Reciprocation sealing of the present invention, first of filler (R100) or second filler (R200) or third road filler (R300), a kind or several following of combination can be selected from by constituting:
1. gasket ring may be to have including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring The component of elasticity；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, Gasket ring may be flexible component；One group of packing seal is using the gasket ring between 1 or 2 or multiple packing rings, and distance is most Between nearly and non-conterminous 2 gasket rings use 1 or 2 or multiple packing rings, apart from nearest and non-conterminous 2 packing rings it Between use 1 or 2 or multiple gasket rings.
Reciprocation sealing of the present invention, first of filler (R100) or second filler (R200) or third road filler (R300), a kind or several of combined application of llowing group of materials can be selected from:
1. rubber；
2. synthetic fibers；
3. asbestos；
4. synthetic resin, including polytetrafluoroethylene (PTFE)；
5. flexible filler
6. oil immersion graphite；
7. high-strength carbon fiber；
8. carbon fiber.
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization of the present invention, in its filler Heat exchange jacket is set on the cylinder of letter (115) and/or plunger bushing (119), and the medium and working method flowed in heat exchange jacket can be with Selected from a kind or several following of combination:
1. serve cool take thermal medium, be gas phase or and liquid phase；
It is gas phase or and liquid phase 2. playing the heat medium of heat temperature raising；
It is gas phase or and liquid phase 3. that plays cooling temperature control function takes thermal medium；
It is gas phase or and liquid phase 4. playing the heat medium of heated for controlling temperature.
A kind of cylinder-and-piston type reciprocating pump constituted based on reciprocation sealing of the present invention rinses chamber with pressurization is intermediate with described Three material filling type reciprocation sealing ASEAL the matching used fluid cylinder K10 of component M01, be the pumping cylinder of cylinder-and-piston type reciprocating pump APUMP K10。
The pump of 1 or 2 or multiple single pump chamber formulas can be used in cylinder-and-piston type reciprocating pump APUMP system of the present invention Cylinder body.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention, the One-piece pump cylinder body that can be used have 1 or 2 or Multiple pump chambers.
The pumping target liquid material of cylinder-and-piston type reciprocating pump APUMP of the present invention, can a kind or several in following Kind:
1. high-temp liquid；
2. low temperature liquid material；
3. high pressure liquid material；
4. high temperature and pressure liquid material；
5. high temperature and pressure material containing solid-liquid；
6. containing easily condensation component liquid material；
7. liquid material containing volatile components；
8. containing solid slurry；
9. liquid material containing etching component；
10. containing component liquid material is fired；
Liquid material containing toxic component；
Liquid material containing radioactive component.
The working method for the injection liquid that the stuffing-box or plunger bushing of cylinder-and-piston type reciprocating pump APUMP of the present invention is added, It can a kind or several in following:
1. primary injection is used for a long time；
2. interruption injection intermittent discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge Pump chamber；
3. being continuously injected into continuous discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge Pump chamber.
The operating condition of cylinder-and-piston type reciprocating pump APUMP of the present invention can be with are as follows: temperature is 150~400 DEG C, entrance pressure Power is 0.3~1.0MPa, outlet pressure is 2.0~30.0MPa, solid particle weight concentration is 0~55%, pump chamber entrance liquid material Volume flow rate is 0.1~150m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, operating condition can be with are as follows: temperature is 150~350 DEG C, inlet pressure be 0.3~1.0MPa, Outlet pressure is 2.0~30.0MPa, solid particle weight concentration is 25~60%, pump chamber entrance liquid material volume flow rate be 0.1~ 200m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, operating condition can be with are as follows: temperature is 150~350 DEG C, inlet pressure be 0.3~1.0MPa, Outlet pressure is 5.0~30.0MPa, solid particle weight concentration is 40~55%, pump chamber entrance liquid material volume flow rate be 10~ 150m3/h。
Cylinder-and-piston type reciprocating pump APUMP of the present invention is that direct hydrogenation liquefaction of coal reaction process or kerosene refine altogether plus hydrogen is anti- Answer the coal booster of process, plunger, stuffing-box, plunger housing working fluid quantity it is usual are as follows: injection liquid hour Volume flow is the 0.5%~5% of the volume flow of the pumping target liquid material of cylinder-and-piston type reciprocating pump APUMP.
The arrangement of cylinder-and-piston type reciprocating pump APUMP of the present invention is usual are as follows: the axis of plunger (111) is along level side To arrangement, pumping cylinder K10 is arranged vertically, and the catheter (33) used is arranged vertically.
The driving end of cylinder-and-piston type reciprocating pump APUMP system of the present invention, prime mover can 1 kinds in following:
1. motor；
2. variable-frequency motor；
3. diesel engine；
4. hydraulic motor；
5. steam engine.
The driving end of cylinder-and-piston type reciprocating pump APUMP system of the present invention, can be used height of the speed changer by prime mover After rotary speed movement is converted into slow-speed of revolution campaign, driving fluid end work.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the axis of plunger (111) is horizontally disposed, plunger (111) outside is equipped with plunger housing (119) and stuffing-box (115), and one end of plunger housing (119) is connect with pumping cylinder K10, plunger The other end of housing (119) is connect with stuffing-box (115), and plunger (111) can be moved along axial reciprocating.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, stuffing-box (115) is interior to contain filler, the side wall of stuffing-box (115) It is interior institute to be located at containing the injection through-hole (115-1) for the injection liquid into stuffing-box (115), injection through-hole (115-1) It states between filler and plunger housing (119).
Cylinder-and-piston type reciprocating pump APUMP of the present invention, plunger housing (119) can be equipped with steam insulation collet (R700), cavity is formed between steam insulation collet (R700) and plunger housing (119), steam insulation collet (R700) is equipped with The steam inlet (701) being connect with the cavity and steam (vapor) outlet (702).
Cylinder-and-piston type reciprocating pump APUMP of the present invention can be set on the cylinder body of pumping cylinder K10 for being passed through steam or cold But the aperture (801) of water.
Cylinder-and-piston type reciprocating pump APUMP of the present invention can contain 1 pump chamber or 3 in the cylinder body of pumping cylinder K10 The pump chamber or 5 pump chambers or 7 pump chambers；
Plunger (111), plunger housing (119), steam insulation collet (R700), stuffing-box (115) and two filler It is corresponded with the pump chamber.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the entrance of pumping cylinder K10 is equipped with inlet valve valve ball (171- 4) it is arranged on entrance valve base (171-2) with entrance valve base (171-2), inlet valve valve ball (171-4), inlet valve valve ball (171-4) being capable of free movement；
The exit of pumping cylinder K10 is equipped with outlet valve valve ball (172-4) and outlet valve base (172-2), outlet valve valve ball In outlet valve base (172-2), outlet valve valve ball (172-4) being capable of free movement for (172-4) setting.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can contain at least two pumping cylinder, the institute of the lower part pumping cylinder K10 It states entrance and is connected to by inlet leg (INP-X) with entrance supervisor (INP), it is pipeloop that entrance, which is responsible for (INP),.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can contain at least two pumping cylinder, the institute on the top pumping cylinder K10 It states outlet and is connected to by outlet stool (OUTP-X) with outlet supervisor (OUTP), inlet leg (INP-X) and the outlet stool It (OUTP-X) is bend pipe.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can be equipped with for the injection through-hole to stuffing-box (115) (115-1) injects the injection pump (IN-PUMP) of liquid, the pump of the pump chamber of injection pump (IN-PUMP) and the plunger reciprocating pump Cylinder K10 is corresponded.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention is typically provided with for close to sealing oil-in (251) injection The sealing oil system of oil sealing, the sealing oil system by fuel tank, oil pump, oil strainer, oil cooler, pressure-regulating valve, pressure gauge, Thermometer forms closed circulation system.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention is equipped with the main pump APUMP for conveying processing medium, in master It pumps the two sides of APUMP, be also provided with cooling water pipe below main pump fluid end and between main pump power end and plunger (111) Road.
Cylinder-and-piston type reciprocating pump APUMP system of the present invention can be equipped with a set of lubricating oil system, and the lubricating oil system is by oil Case, oil pump, oil strainer, oil cooler, pressure-control valve, pressure sensor, temperature transmitter, differential pressure pickup form enclosed The circulatory system, the lubricating oil system can provide lubricating oil to main pump power end, injection pump power end and the gear-box used, Oil strainer is arranged Magnetic filtration device element and intercepts the magnetic particulate matter of tool.
Cylinder-and-piston type reciprocating pump APUMP of the present invention, in general, the entrance of the charging equipped with cylinder-and-piston type reciprocating pump APUMP Surge tank is for weakening feed pressure pulsation, and the outlet surge tank of the discharging equipped with cylinder-and-piston type reciprocating pump APUMP is for weakening out Expect pressure fluctuation.
Cylinder-and-piston type reciprocating pump APUMP of the present invention and its system, part or all of component can form integrated type skid-mounted structure.
It is of the present invention to use pressurization is intermediate to rinse tri- material filling type reciprocation sealing ASEAL of Qiang, chamber is rinsed among pressurization Operating pressure usually meets a kind or several following of regulation:
1. being greater than 1.0MPa；
2. being greater than the operating pressure of fluid cylinder K10 charging；
3. 30% of the discharge operating pressure higher than fluid cylinder K10；
4. 50% of the discharge operating pressure higher than fluid cylinder K10.
Embodiment
Embodiment one
Erdos coal oil branch company, Shenhua coal slurry feed pump SHFB as described in table 1, using the present invention shown in Fig. 3 Plunger packing letter component technology scheme, the flushing chamber system between the 1st packing seal and intermediate filler sealing are rinsed using pressurization Scheme, compared with traditional low-pressure washing, can make the main liquid nuisance of pumping cylinder (high-temp liquid, high solid concentration slurries, corrosivity or The strong component of the illeffects such as firing property or toxic or radioactivity) pass through the probability that the 1st packing seal leaks to intermediate flushing chamber Zero is dropped significantly to almost, also lubricates into the gap of the 1st packing seal and plunger conducive to intermediate flushing liquor, cool down them, benefit Oil consumption is injected in reducing high pressure, is remarkably improved the operational safety of plunger end.
The cylinder-and-piston type reciprocating pump of the coal of the present embodiment design, including power end, fluid end, auxiliary system, and pump Electrical, the measurement and control system of group, Each part feature and function are as follows:
(1) power end
1. power end main part
The major parts such as the power end, including base, crankshaft, connecting rod, crosshead pin, intermediate bar of three plunger coal slurry feed pumps And rolling bearing etc., for mature, reliable structure；Specific design scheme requires the power end rigidity of structure big, protects to demonstrate,prove main pump work It runs smoothly, usual thrust surplus allowable is larger；
2. power end configures dedicated, reliable lubricating system
Main pump power end uses force feed method, and lubricating system ensures securely and reliably to pump the pressure of output using double oil pumps Power oil enters crosshead all the way, crosshead pin, connecting rod size bearing shell, crankshaft crank respectively rub pair；Enter the main shaft of pump all the way The characteristics of holding, meeting main pump crankshaft double shafts, each performance parameter of lubricating system is in the monitoring state when operation, it is ensured that lubrication can It leans on；
Power end lubricating system is furnished with cooling system, and the heat dissipation area of the cooler used is enough to ensure that the oil of lubricating oil For temperature in tolerance zone, lubricating oil uses No. 220 gear oils of extreme pressure type.
(2) fluid end
The fluid end of three plunger coal slurry feed pumps, including 3 single cylinder type pumping cylinders and matched stuffing-box, liquid feed valve, row Liquid valve, high pressure liquid trap, low pressure liquid trap etc., fluid power end pieces are described below:
1. pump cylinder
Using Fig. 3 or shown in fig. 5 pumping cylinder technical solution of the present invention；
Pumping cylinder structure feature: every pump uses 3 split type pump cylinders, convenient for disassembly and assembly, seal point is few, No leakage, the pump housing The unobstructed no silting of runner；
The pump housing has channel and the interface of logical steam, can according to need connection steam, reduces the thermal stress of pump；
2. the liquid feed valve of pumping cylinder, tapping valve
For the highly viscous medium for having particle, globe valve line is that line contacts with valve seat, opens, closes flexibly and easily, Therefore, according to the high temperature of coal, high pressure, high viscosity medium the characteristics of, the moulder moisture globe valve cable architecture of valve, a whole set of valve packet Include valve body, valve seat, valve ball guide sleeve, valve ball；There is valve line in two faces of valve seat, are used interchangeably and (need to reinstall after shutting down Exchange top and bottom position), valve seat built-up welding stellite layer makees valve line, adapts to the operating condition of coal, long service life；
3. plunger work package is as follows using injection, flushing and sealing three-in-one structure, plunger sealing structure and material:
Each cavity pressure is injected the (main pump that injection rate is about 3% in the corresponding injection main pump plunger packing chamber of oil by injection pump Oil mass), the protection chamber of injection oil shielding coal is formed, to guarantee the service life of plunger and sealing；
Main stuffing-box flushing interface is arranged in three plunger coal slurry feed pumps, and flushing oil, which enters, rinses chamber to the primary seal of primary seal Filler is rinsed, and washes away the particle coal slurry entered once in a while, it is ensured that the high life of plunger seal；
The suitable high hardness material of plunger surface surfacing such as tungsten carbide, guarantees high surface hardness, and plunger airtight and watertight padding uses 24 ingot of the carbon fiber braiding tetrafluoro dipping of high quality, and did specially treated；Use the lubricating oil of sealing pipeline, lubrication plunger sealing Part, it is ensured that the pump plunger service life was up to 2 years or more (16000h or more)；
4. the structure and material of high pressure static seal
High pressure static seal is related to the sealing between the sealing between the pump housing and stuffing-box, feed liquor valve seat and pump housing entrance, arranges The sealing of sealing, high pressure concetrated pipe between liquid valve seat and pump housing outlet, the sealing of output port buffer and adapter tube, high pressure static seal Mode uses the German-style metal lensring of 0Cr18Ni9 stainless steel material, and the both ends of German-style metal lensring and combination valve seat are all made of spherical arc surface With 15~25 ° of inclined plane sealing structures, the classical architecture O-ring that can bear 380 DEG C of high temperature 35MPa high pressures all uses high temperature high voltage resistant Fluorubber；
5. the structure and material of high pressure dynamic sealing
High pressure dynamic sealing is related to the sealing of plunger and plunger packing, impregnates high-intensitive carbon fiber using spacer ring and specially treated The sealing structure of 24 ingots braiding oil injecting lubricating.
6. preheating and the cooling system of stuffing-box collet
At main stuffing-box collet, steam preheating is added to reduce the temperature difference, long-time preheating operation temperature nearly 200 in starting operation After DEG C, steam is cut off；Cooling water is injected during termination of pumping to cool down to stuffing-box；
7. the cooling system of the power end pumped, retarder
Provide that the lubricating oil temperature maximum in the power end and retarder of pump no more than 70 DEG C, configures cooler and cooling tube Road is to reduce lubricating oil temperature, and wherein the oil temperature of lubricating oil carries out control alarm by temperature sensor；
(3) auxiliary system
1. for (normal 219 DEG C, 350 DEG C of highest) of worst hot case using the structure and material for adapting to high temperature
In a first aspect, the components such as pump housing, main stuffing box body etc. that fluid end high-temperature medium flows through, there are high-temperature operation bands The thermal (temperature difference) stress come needs to reduce the thermal (temperature difference) stress for the safety coefficient for improving pressure containing part；For example, number is arranged in pump cylinder Steam hole appropriate is measured, working condition lower pump body will fill steam, reduce the thermal (temperature difference) stress of pump outer surface and inner cavity；For example, to master The heating jacket of stuffing-box should fill steam when pump just starts and be preheated；
Second aspect, the sealing of sealing, discharge outlet at the feed inlet of pumping cylinder, other fluid ends hold the close of high temperature and pressure Envelope (such as pump cylinder and stuffing-box, plunger sealing, the O-ring sealing of stuffing-box), corresponding sealing ring, which uses, adapts to high temperature and pressure Operate the sealing structure and material of operating condition；
The third aspect, although coal working media temperature is high (normal 219 DEG C, 350 DEG C of highest), pumping cylinder of the present invention The heat that structure makes coal be transferred to pump cylinder is less, has heat spreading function between pump cylinder and the base of power end in addition Truss makes the temperature of base high (will not ensure power to generation the case where causing the lubricating oil temperature of power end to exceed 70 DEG C of the upper limit End works normally), the solution of the problem that is located by connecting of this simul relation to split type pump cylinder and main stuffing-box；
2. pumping cylinder feed surge device, discharge buffer
Coal slurry feed pump is three-throw ram pump, and because power end is crank link mechanism, plunger is to make variable motion, and flow is arteries and veins Dynamic, outlet pressure is also pulsation；To guarantee to pump the stability of sucking pressure medium, deviate inlet pipeline especially for guarantee Farthest one sucking turned will also stablize, and inlet pressure needs accumulation of energy deposit, and pump must configure feed surge device, discharge buffer；
Feed surge device, the cylindrical pressure vessel using both ends with end socket, design pressure 2.5MPa, residue pulsation Max1%, design pressure pulsation≤0.1MPa, carry out acoustic pressure Pulsation analysis by 370 DEG C of design temperature；
Feed surge device, using spherical high-pressure container, design pressure 25.0MPa, residue pulsation Max2%, design pressure arteries and veins Dynamic≤0.40MPa, carries out acoustic pressure Pulsation analysis by 370 DEG C of design temperature；
(4) electrical, the measurement and control system of pump group
Three plunger coal feed pump pump group described in example IV, is a set of mechatronics product, pump assembly Starting, stopping, control, monitoring can be executed by matched PLC (programmable logic controller (PLC)) system, and can pass through agreement ether Net has touch screen to be monitored protection, the hardware and software needed will by matched PLC and SIS (safety instrumented system) come Implement.

Claims (39)

1. rinsing tri- material filling type reciprocation sealing of Qiang with pressurization is intermediate, it is characterised in that:
With the intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, including plunger (111), stuffing-box (115), plunger bushing (119), fluid cylinder K10 further include the axis along plunger (111) from close fluid cylinder K10 to far from fluid cylinder K10 row Arrange three fillers i.e. first of filler (R100), second filler (R200) and the third road filler (R300) set gradually；
The stuffing-box (115), the adjacent installation of plunger bushing (119) are assembled by holding attachment, and plunger bushing (119) is close to liquid Cylinder K10, stuffing-box (115) is far from fluid cylinder K10；
Stuffing-box (115) is known as stuffing-box front end close to the one end fluid cylinder K10, and stuffing-box (115) is known as filling out far from the one end fluid cylinder K10 Expect letter rear end；
Plunger bushing (119) is known as plunger bushing front end close to the one end fluid cylinder K10, and plunger bushing (119) is known as column far from the one end fluid cylinder K10 Plug sleeve rear end；
First of filler (R100) is arranged outside in plunger (111), and is arranged in by stuffing-box (115) front end inner cavity and plunger bushing (119) in the pressure bearing and seal cavity that rear end inner cavity is constituted；
Second filler (R200) and third road filler (R300) circumferentially and are arranged in stuffing-box (115) outside plunger In pressure bearing and seal cavity；
When normal work, plunger (111) stuffing-box (115), plunger bushing (119) inner space in move back and forth, together When it is reciprocating relative to first of filler (R100), second filler (R200) and third road filler (R300)；
In course of normal operation, when the plunger of component M01 is far from the backstroke of fluid cylinder K10, fluid cylinder K10 is sucked from feed inlet Liquid material；
In course of normal operation, when the plunger of component M01 is close to the forward stroke of fluid cylinder K10, fluid cylinder K10 is discharged from discharge gate Liquid material；
Between first of filler (R100) and fluid cylinder K10, injection liquid L01 interface (191) may be set, injection liquid L01 enters In the injection sap cavity of plunger and cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through the note of possible setting Enter liquid conducting element (N53) and flow to fluid cylinder K10, fluid cylinder K10 finally is discharged with the main fluid of fluid cylinder K10；
Between first of filler (R100) and second filler (R200), setting is pressurized intermediate flushing liquor W01 interface (151), It is pressurized intermediate flushing liquor W01 to enter among the pressurization of plunger and cavity composition in flushing sap cavity, be rinsed among plunger and pressurization Liquid layer is formed between sap cavity, and stuffing-box (115) then are discharged by being pressurized intermediate flushing liquor discharge outlet (152)；
Between second filler (R200) and third road filler (R300), it is arranged sealing fluid K01 interface (251), sealing fluid K01 Into in the sealing sap cavity of plunger and cavity composition, liquid layer is formed between plunger and sealing sap cavity, is then arranged by sealing fluid Put mouth (252) discharge stuffing-box (115).
2. piston reciprocation sealing according to claim 1, it is characterised in that:
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, first of filler (R100), Plunger (111) outside circumferentially, and be arranged in by inside stuffing-box (115) front end internal cavity and plunger bushing (119) rear end In the cavity of cavity composition；
Between first of filler (R100) and fluid cylinder K10, setting injection liquid L01 interface (191), injection liquid L01 enters plunger In the injection sap cavity of cavity composition, liquid layer is formed between plunger and injection sap cavity, then passes through the injection liquid water conservancy diversion of setting Part (N53) flows to fluid cylinder K10, and fluid cylinder K10 finally is discharged with the main fluid of fluid cylinder K10.
3. piston reciprocation sealing according to claim 1, it is characterised in that:
First of filler (R100) circumferentially and is arranged in by stuffing-box front end inner cavity, plunger bushing rear end inner cavity structure outside plunger At pressure bearing and seal cavity in, the relative position arrangement of first of filler (R100) is selected from following a kind:
1. first of filler (R100), is arranged in the cavity of stuffing-box front end inner cavity；
2. first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
3. first of filler (R100) is partially arranged in the cavity of stuffing-box front end inner cavity, is partially arranged in plunger bushing rear end In the cavity of inner cavity；
4. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity；
5. the major part of first of filler (R100), is arranged in the cavity of plunger bushing rear end inner cavity.
4. reciprocation sealing according to claim 1, it is characterised in that:
Described to rinse tri- material filling type reciprocation sealing ASEAL of Qiang with pressurization is intermediate, the working method of injection liquid L01 is selected from following 1 kind:
1. injection liquid L01 using be continuously injected into, the working method of continuous draining to fluid cylinder K10, i.e., plunger advancement stroke and returning During the total travel of reversion journey, injection liquid L01 is continuously injected into；
2. injecting liquid L01 using the working method of interruption injection, interruption drain to fluid cylinder K10；
3. injecting the working method that liquid L01 uses plunger backhaul simultaneous implantation；
4. the working method that liquid L01 uses plunger backhaul simultaneous implantation is injected, when the plunger of component M01 is in backhaul stroke, liquid Cylinder K10 sucks liquid material, inject the injection pump plunger action of liquid to the injection sap cavity before first of filler (R100) of component M01 into Row rinses；When the plunger of component M01 is in forward stroke, liquid material, injection liquid pump plunger action sucking injection is discharged in fluid cylinder K10 Oil is not rinsed the injection sap cavity before first of filler (R100) of component M01.
5. reciprocation sealing according to claim 1, it is characterised in that:
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, is pressurized intermediate flushing liquor W01 Working method be selected from following a kind:
1. be pressurized intermediate flushing liquor W01 using be continuously injected into, the working method of continuous flushing discharge, i.e., in plunger advancement stroke and During the total travel of backstroke, flushing liquor W01 is continuously injected into；
2. being pressurized the working method that intermediate flushing liquor W01 is rinsed using interruption injection, interruption；
3. being pressurized the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation；
4. the working method that intermediate flushing liquor W01 uses plunger backhaul simultaneous implantation is pressurized, when the plunger of component M01 is in backhaul row Cheng Shi, fluid cylinder K10 suck liquid material, are pressurized the injection pump plunger action of intermediate flushing liquor W01 in the pressurization of the plunger of component M01 Between rinse sap cavity be rinsed；When the plunger of component M01 is in forward stroke, liquid material, the note of flushing liquor W01 is discharged in fluid cylinder K10 The plunger action sucking flushing oil for entering pump, is not rinsed flushing sap cavity among the pressurization of the plunger of component M01.
6. reciprocation sealing according to claim 1, it is characterised in that:
One end of the close fluid cylinder K10 of first of filler (R100) is first of filler (R100) front end, first of filler (R100) one end of separate fluid cylinder K10 is first of filler (R100) rear end, in first of filler front end (R100) and fluid cylinder Between K10, setting injection liquid L01 interface, injection liquid L01 enters in the injection sap cavity of plunger and cavity composition, in plunger and note Enter and form liquid layer between sap cavity, fluid cylinder K10 is then flowed to by the conducting element being arranged, is finally discharged with the main fluid of fluid cylinder K10 Fluid cylinder K10；
The composition of the injection sap cavity, a kind or several of the combination selected from having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
7. reciprocation sealing according to claim 1, it is characterised in that:
Between first of filler (R100) and second filler (R200), setting is pressurized intermediate flushing liquor W01 interface (151), It is pressurized intermediate flushing liquor W01 to enter among the pressurization of plunger and cavity composition in flushing sap cavity, be rinsed among plunger and pressurization Liquid layer is formed between sap cavity, and stuffing-box (115) then are discharged by being pressurized intermediate flushing liquor discharge outlet (152), pressurization is intermediate The possibility rinsed in sap cavity is revealed the liquid material to come from first of filler (R100), may be revealed from third road filler (R300) The liquid material come carries discharge stuffing-box (115)；
The composition of sap cavity is rinsed among the pressurization, a kind or several of the combination selected from having structure:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
8. reciprocation sealing according to claim 1, it is characterised in that:
Between second filler (R200) and third road filler (R300), it is arranged sealing fluid K01 interface (251), sealing fluid K01 Into in the sealing sap cavity of plunger and cavity composition, liquid layer is formed between plunger and sealing sap cavity, is then arranged by sealing fluid Put mouth (252) discharge stuffing-box (115), by it is intermediate rinse the liquid material to come in sap cavity from second filler (R200) leakage, from The liquid material that third road filler (R300) leakage comes carries discharge stuffing-box (115)；
The composition of the sealing sap cavity, selected from a kind or several following of combination:
1. 1 flushed channel；
2. 2 or multiple concatenated flushed channels；
3. the irrigating sleeve of single thread structure；
4. the irrigating sleeve of double thread or more helicitic textures.
9. reciprocation sealing according to claim 1, it is characterised in that:
One end of the close fluid cylinder K10 of first of filler (R100) is first of filler (R100) front end, first of filler (R100) one end of separate fluid cylinder K10 is first of filler (R100) rear end, in first of filler front end (R100) and fluid cylinder Between K10, setting injection liquid L01 interface, injection liquid L01 enters in the injection sap cavity of plunger and cavity composition, in plunger and note Enter and form liquid layer between sap cavity, fluid cylinder K10 is then flowed to by the conducting element being arranged, is finally discharged with the main fluid of fluid cylinder K10 Fluid cylinder K10；
The composition of the conducting element, selected from following a kind:
1. baffle liner, i.e. short distance guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width≤4.0；
2. flow guide sleeve is grown away from guide ring, guide collar axial length and guide collar are along the ratio between plunger axial width >=4.0.
10. reciprocation sealing according to claim 1, it is characterised in that:
First of filler (R100) or second filler (R200) or third road filler (R300) constitute and are selected from following a kind Or several combination:
1. gasket ring may be flexible including 1 or 2 or multiple packing rings, packing ring front gasket ring, packing ring rear portion gasket ring Component；
2. including gasket ring, packing ring front gasket ring, packing ring rear portion gasket ring between 2 or multiple packing rings, packing ring, gasket ring It may be flexible component；One group of packing seal using the gasket ring between 1 or 2 or multiple packing rings, distance recently and 1 or 2 or multiple packing rings are used between non-conterminous 2 gasket rings, are made between nearest and non-conterminous 2 packing rings With 1 or 2 or multiple gasket rings.
11. reciprocation sealing according to claim 1, it is characterised in that:
First of filler (R100) or second filler (R200) or third road filler (R300), a kind selected from llowing group of materials or Several combined applications:
1. rubber；
2. synthetic fibers；
3. asbestos；
4. synthetic resin, including polytetrafluoroethylene (PTFE)；
5. flexible filler
6. oil immersion graphite；
7. high-strength carbon fiber；
8. carbon fiber.
12. reciprocation sealing according to claim 1, it is characterised in that:
The intermediate component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization, in its stuffing-box (115) and Or heat exchange jacket is set on the cylinder of plunger bushing (119), the medium and working method flowed in heat exchange jacket is selected from following a kind Or several combination:
1. serve cool take thermal medium, be gas phase or and liquid phase；
It is gas phase or and liquid phase 2. playing the heat medium of heat temperature raising；
It is gas phase or and liquid phase 3. that plays cooling temperature control function takes thermal medium；
It is gas phase or and liquid phase 4. playing the heat medium of heated for controlling temperature.
13. a kind of cylinder-and-piston type reciprocating pump constituted based on reciprocation sealing described in claim 1, it is characterised in that:
With described with the intermediate matching used fluid cylinder of component M01 for rinsing tri- material filling type reciprocation sealing ASEAL of Qiang of pressurization K10 is the pumping cylinder K10 of cylinder-and-piston type reciprocating pump APUMP.
14. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system, using 1 or 2 or the pump cylinder of multiple single pump chamber formulas.
15. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system, the One-piece pump cylinder body used have 1 or 2 or multiple pump chambers.
16. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The pumping target liquid material of cylinder-and-piston type reciprocating pump APUMP, a kind or several in following:
1. high-temp liquid；
2. low temperature liquid material；
3. high pressure liquid material；
4. high temperature and pressure liquid material；
5. high temperature and pressure material containing solid-liquid；
6. containing easily condensation component liquid material；
7. liquid material containing volatile components；
8. containing solid slurry；
9. liquid material containing etching component；
10. containing component liquid material is fired；
Liquid material containing toxic component；
Liquid material containing radioactive component.
17. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The working method for the injection liquid that the stuffing-box or plunger bushing of cylinder-and-piston type reciprocating pump APUMP are added, a kind in following or It is several:
1. primary injection is used for a long time；
2. interruption injection intermittent discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge pump Chamber；
3. being continuously injected into continuous discharge, the injection liquid of discharge is eventually entered into the pump chamber of the pump housing with pumping target liq discharge pump Chamber.
18. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The operating condition of cylinder-and-piston type reciprocating pump APUMP are as follows: temperature is 150~400 DEG C, inlet pressure is 0.3~1.0MPa, outlet Pressure is 2.0~30.0MPa, solid particle weight concentration is 0~55%, pump chamber entrance liquid material volume flow rate be 0.1~ 150m3/h。
19. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP is the coal liter that direct hydrogenation liquefaction of coal reaction process or kerosene refine hydrogenation process altogether Press pump, operating condition are as follows: temperature is 150~350 DEG C, inlet pressure is 0.3~1.0MPa, outlet pressure be 2.0~ 30.0MPa, solid particle weight concentration are 25~60%, pump chamber entrance liquid material volume flow rate is 0.1~200m3/h。
20. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP is the coal liter that direct hydrogenation liquefaction of coal reaction process or kerosene refine hydrogenation process altogether Press pump, operating condition are as follows: temperature is 150~350 DEG C, inlet pressure is 0.3~1.0MPa, outlet pressure be 5.0~ 30.0MPa, solid particle weight concentration are 40~55%, pump chamber entrance liquid material volume flow rate is 10~150m3/h。
21. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP is the coal liter that direct hydrogenation liquefaction of coal reaction process or kerosene refine hydrogenation process altogether Press pump, plunger, stuffing-box, plunger housing working fluid quantity are as follows: injection liquid hour volume flow be plunger type it is reciprocal Pump the 0.5%~5% of the volume flow of the pumping target liquid material of APUMP.
22. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The arrangement of cylinder-and-piston type reciprocating pump APUMP are as follows: the axis of plunger (111) arranges in the horizontal direction, the vertical cloth of pumping cylinder K10 It sets, the divider XKP used is arranged vertically, and the catheter (33) used is arranged vertically.
23. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The driving end of cylinder-and-piston type reciprocating pump APUMP system, a kind in following of prime mover:
1. motor；
2. variable-frequency motor；
3. diesel engine；
4. hydraulic motor；
5. steam engine.
24. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The driving end of cylinder-and-piston type reciprocating pump APUMP system converts the slow-speed of revolution for the high rotary speed movement of prime mover using speed changer After movement, driving fluid end work.
25. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The axis of plunger (111) is horizontally disposed, and plunger housing (119) and stuffing-box are equipped with outside plunger (111) (115), one end of plunger housing (119) is connect with pumping cylinder K10, and the other end of plunger housing (119) and stuffing-box (115) are even It connects, plunger (111) can be moved along axial reciprocating.
26. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Contain filler in stuffing-box (115), the side wall of stuffing-box (115) has been included for injecting liquid into stuffing-box (115) Injection through-hole (115-1), inject through-hole (115-1) between the filler and plunger housing (119).
27. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Plunger housing (119) is equipped with steam insulation collet (R700), between steam insulation collet (R700) and plunger housing (119) Cavity is formed, steam insulation collet (R700) is equipped with the steam inlet (701) connecting with the cavity and steam (vapor) outlet (702).
28. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Aperture (801) for being passed through steam or cooling water is set on the cylinder body of pumping cylinder K10.
29. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
Contain 1 pump chamber or 3 pump chambers or 5 pump chambers or 7 pump chambers in the cylinder body of pumping cylinder K10；
Plunger (111), plunger housing (119), steam insulation collet (R700), stuffing-box (115) and two filler and institute State pump chamber one-to-one correspondence.
30. cylinder-and-piston type reciprocating pump according to claim 13, it is characterised in that:
The entrance of pumping cylinder K10 is equipped with inlet valve valve ball (171-4) and entrance valve base (171-2), inlet valve valve ball (171-4) It is arranged on entrance valve base (171-2), inlet valve valve ball (171-4) being capable of free movement；
The exit of pumping cylinder K10 is equipped with outlet valve valve ball (172-4) and outlet valve base (172-2), outlet valve valve ball (172-4) In outlet valve base (172-2), outlet valve valve ball (172-4) being capable of free movement for setting.
31. cylinder-and-piston type reciprocating pump system according to claim 13, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system contains at least two pumping cylinder, and the entrance of the lower part pumping cylinder K10 passes through inlet leg (INP-X) it is connected to entrance supervisor (INP), it is pipeloop that entrance, which is responsible for (INP),.
32. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system contains at least two pumping cylinder, and the outlet on the top pumping cylinder K10 passes through outlet stool (OUTP-X) it is connected to outlet supervisor (OUTP), inlet leg (INP-X) and the outlet stool (OUTP-X) are bend pipe.
33. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system is equipped with for the injection to the injection through-hole (115-1) of stuffing-box (115) injection liquid It pumps (IN-PUMP), the pumping cylinder K10 of the pump chamber of injection pump (IN-PUMP) and the plunger reciprocating pump is corresponded.
34. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system is equipped with for the sealing oil system to sealing oil-in (251) injection Seal Oil, this is close Sealing oil system forms closed cycle system by fuel tank, oil pump, oil strainer, oil cooler, pressure-regulating valve, pressure gauge, thermometer System.
35. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system is equipped with the main pump APUMP for conveying processing medium, two sides, master in main pump APUMP Cooling water pipeline is additionally provided with below pump hydraulic end and between main pump power end and plunger (111).
36. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP system is equipped with a set of lubricating oil system, and the lubricating oil system is filtered by fuel tank, oil pump, oil Device, oil cooler, pressure-control valve, pressure sensor, temperature transmitter, differential pressure pickup form closed circulation system, described Lubricating oil system can provide lubricating oil, oil strainer setting to main pump power end, injection pump power end and the gear-box used Magnetic filtration device element, which intercepts, has magnetic particulate matter.
37. cylinder-and-piston type reciprocating pump system according to claim 31, it is characterised in that:
The inlet buffer of charging of the cylinder-and-piston type reciprocating pump APUMP system equipped with cylinder-and-piston type reciprocating pump APUMP is for weakening charging Pressure fluctuation, the outlet surge tank of the discharging equipped with cylinder-and-piston type reciprocating pump APUMP is for weakening discharge pressure pulsation.
38. cylinder-and-piston type reciprocating pump according to claim 13 and its system, it is characterised in that:
Cylinder-and-piston type reciprocating pump APUMP and its system, part or all of component form integrated type skid-mounted structure.
39. reciprocation sealing according to claim 1 or 2 or 3, it is characterised in that:
It is described to rinse tri- material filling type reciprocation sealing ASEAL of Qiang with pressurization is intermediate, it is pressurized the intermediate operating pressure for rinsing chamber, it is full 1 kind or several of regulation of foot column:
1. being greater than 1.0MPa；
2. being greater than the operating pressure of fluid cylinder K10 charging；
3. 30% of the discharge operating pressure higher than fluid cylinder K10；
4. 50% of the discharge operating pressure higher than fluid cylinder K10.
CN201811374087.3A 2018-11-09 2018-11-09 Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate Withdrawn CN110017269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811374087.3A CN110017269A (en) 2018-11-09 2018-11-09 Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811374087.3A CN110017269A (en) 2018-11-09 2018-11-09 Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate

Publications (1)

Publication Number Publication Date
CN110017269A true CN110017269A (en) 2019-07-16

Family

ID=67188550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811374087.3A Withdrawn CN110017269A (en) 2018-11-09 2018-11-09 Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate

Country Status (1)

Country Link
CN (1) CN110017269A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112254895A (en) * 2020-09-08 2021-01-22 合肥通用机械研究院有限公司 Performance test device and test method for packing sealing system for straight stroke valve rod
CN114962844A (en) * 2022-04-26 2022-08-30 重庆海浦洛自动化科技有限公司 Energy storage device for high-viscosity medium and use method thereof
CN117605673A (en) * 2023-12-07 2024-02-27 阿奥艾斯能源科技成都有限公司 Horizontal multi-cylinder plunger type feeding pump for residual oil hydrogen production

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB336289A (en) * 1929-07-12 1930-10-13 William Anderson Improved packing for stuffing boxes
US4090719A (en) * 1977-03-28 1978-05-23 Vapor Corporation Packing assembly
US6302401B1 (en) * 1998-07-07 2001-10-16 The Palmour Group Stuffing box seal assembly
CN101070841A (en) * 2007-06-15 2007-11-14 江苏大学 High-pressure-resistant wear-resisting contact type reciprocation sealing with washing ring
CN201013545Y (en) * 2006-10-12 2008-01-30 上海大隆机器有限公司 Reciprocating type plunger pump capable of conveying high-temperature, high pressure and grain medium
CN101435422A (en) * 2008-12-16 2009-05-20 上海化工研究院 Abrasion-proof plunger pump
CN102220971A (en) * 2011-06-14 2011-10-19 上海电气压缩机泵业有限公司 Integral type sealing box for reciprocating type plunger pump
CN204692076U (en) * 2015-06-25 2015-10-07 北京石油化工工程有限公司 A kind of plunger reciprocating pump and system thereof
US20180135617A1 (en) * 2016-11-15 2018-05-17 Jintuo Petroleum Machinery Manufactring Co., Ltd. Large-flow plunger pump

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB336289A (en) * 1929-07-12 1930-10-13 William Anderson Improved packing for stuffing boxes
US4090719A (en) * 1977-03-28 1978-05-23 Vapor Corporation Packing assembly
US6302401B1 (en) * 1998-07-07 2001-10-16 The Palmour Group Stuffing box seal assembly
CN201013545Y (en) * 2006-10-12 2008-01-30 上海大隆机器有限公司 Reciprocating type plunger pump capable of conveying high-temperature, high pressure and grain medium
CN101070841A (en) * 2007-06-15 2007-11-14 江苏大学 High-pressure-resistant wear-resisting contact type reciprocation sealing with washing ring
CN101435422A (en) * 2008-12-16 2009-05-20 上海化工研究院 Abrasion-proof plunger pump
CN102220971A (en) * 2011-06-14 2011-10-19 上海电气压缩机泵业有限公司 Integral type sealing box for reciprocating type plunger pump
CN204692076U (en) * 2015-06-25 2015-10-07 北京石油化工工程有限公司 A kind of plunger reciprocating pump and system thereof
US20180135617A1 (en) * 2016-11-15 2018-05-17 Jintuo Petroleum Machinery Manufactring Co., Ltd. Large-flow plunger pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112254895A (en) * 2020-09-08 2021-01-22 合肥通用机械研究院有限公司 Performance test device and test method for packing sealing system for straight stroke valve rod
CN112254895B (en) * 2020-09-08 2023-12-05 合肥通用机械研究院有限公司 Performance test device and test method for packing sealing system for straight Cheng Fagan
CN114962844A (en) * 2022-04-26 2022-08-30 重庆海浦洛自动化科技有限公司 Energy storage device for high-viscosity medium and use method thereof
CN114962844B (en) * 2022-04-26 2023-07-21 重庆海浦洛自动化科技有限公司 Energy storage device for high-viscosity medium and use method thereof
CN117605673A (en) * 2023-12-07 2024-02-27 阿奥艾斯能源科技成都有限公司 Horizontal multi-cylinder plunger type feeding pump for residual oil hydrogen production

Similar Documents

Publication Publication Date Title
US20230138582A1 (en) Cover, fluid end and plunger pump
CN110017269A (en) Tri- material filling type reciprocation sealing of Qiang and its reciprocating pump are rinsed with pressurization is intermediate
CN110017270A (en) A kind of piston reciprocation sealing of three packing seals of setting and its plunger reciprocating pump
CN204692076U (en) A kind of plunger reciprocating pump and system thereof
CN203770201U (en) Mechanical sealing device capable of bearing high pressure
KR102041148B1 (en) High pressure fuel gas pump
CN110017268A (en) Plunger packing letter both ends respectively set the reciprocation sealing and its plunger reciprocating pump of 1 filler
CN110017272A (en) Use the piston reciprocation sealing of four packing seals and its reciprocating pump
CN110345064A (en) A kind of drilling pump swimming type intermediate draw bar sealing structure
CN110017256A (en) A kind of cylinder-and-piston type reciprocating pump
CN110185598A (en) Booster pump built in a kind of automobile-used cryogenic natural gas bottle
CN110017271A (en) The plunger face of high pressure filling contact has the piston reciprocation of diamond coatings to seal
CN201346556Y (en) Graphite spray coating constant pressure control system for mandrel
CN102927280B (en) Circulation balance sealing box assembly of plunger pump
CN111520305B (en) Secondary booster pump for oilfield water injection
CN2890416Y (en) Hydraulic sealing device of plunger pump
CN110017267A (en) There is the cylinder-and-piston type reciprocating pump of thermal insulation areas in pumping cylinder between main liquid fluid space and pump cylinder
CN201106575Y (en) Packing seal structure of centrifugal type coal liquid pump
CN111425389B (en) Reciprocating pump with reciprocating plunger assembly with heat conducting reciprocating pump built in front section of plunger assembly
CN208431123U (en) A kind of wear-resisting pressure stabilizing mud pump with plunger
CN108412721B (en) A kind of wear-resisting pressure stabilizing mud pump with plunger
CN210153555U (en) Oil recovery well head associated gas interlock formula piston pressure boost recovery unit
CN108506181B (en) A kind of pressure stabilizing slush pump using split type plunger assembly
CN207363864U (en) Three-plunger reciprocating Pumpp
CN111706502A (en) Sealing device for high-pressure plunger water injection pump packing of offshore oil platform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190716