CN108953089A - A kind of high-pressure slurry drug delivery pump system and method - Google Patents

A kind of high-pressure slurry drug delivery pump system and method Download PDF

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Publication number
CN108953089A
CN108953089A CN201810868259.6A CN201810868259A CN108953089A CN 108953089 A CN108953089 A CN 108953089A CN 201810868259 A CN201810868259 A CN 201810868259A CN 108953089 A CN108953089 A CN 108953089A
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CN
China
Prior art keywords
valve
cone
conveying cylinder
charging
pressure
Prior art date
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Pending
Application number
CN201810868259.6A
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Chinese (zh)
Inventor
张朝辉
刘永红
胡保华
夏端雪
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Richangsheng Group Co Ltd
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Richangsheng Group Co Ltd
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Priority to CN201810868259.6A priority Critical patent/CN108953089A/en
Publication of CN108953089A publication Critical patent/CN108953089A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/04Combinations of two or more pumps
    • F04B23/06Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002Hydraulic systems to change the pump delivery
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber

Abstract

A kind of high-pressure slurry drug delivery pump system and method, it is related to a kind of fluid pumping equipment, high-pressure slurry drug delivery pump system includes dynamical system and hydraulic systems, dynamical system includes: hydraulic oil container, main motor, main oil pump, hydraulicdirectional control valve, cooler and master cylinder, and hydraulic systems include: conveying cylinder, feed subsystem and out blanking subsystem.High-pressure slurry delivery method includes that step 1, hydraulic oil container, main motor, main oil pump pass through the reciprocating motion of the pistons in the switching control master cylinder of hydraulicdirectional control valve;Step 2, the piston in master cylinder respectively drives the reciprocating motion of the pistons in conveying cylinder;Step 3a, when the piston in conveying cylinder moves backward, charging cone valve is opened, and discharging cone valve is closed, and slurry is sucked from feed pipe;When the piston forward impelling in conveying cylinder, charging cone valve is closed, and discharging cone valve is opened, and slurry is discharged from discharge nozzle.The present invention has transfer efficiency height, and safe and reliable, structure is simple, flexible for installation.

Description

A kind of high-pressure slurry drug delivery pump system and method
Technical field
The present invention relates to a kind of fluid pumping equipment more particularly to a kind of high-pressure slurry drug delivery pump systems and method.
Background technique
Currently, in mining through frequently with tailing long distance delivery pump have it is following several:
Mud plunger pump, including motor, crankshaft connecting rod system, plunger case, inlet valve, dump valve etc..Working principle is: electricity The gear shaft that machine drives is engaged with the gear on crankshaft, and crankshaft obtains deceleration circular motion, and will be revolved by crankshaft connecting rod system Transport the reciprocating motion of turn chemical conversion plunger.Under the action of reciprocating motion of the pistons, make inlet valve, the dump valve in closed fluid cylinder It regularly opens, close, realize the purpose that slurry is continuously conveyed.
Hydraulic diaphragm pump, including motor, crankshaft connecting rod system, plunger case, hydraulic diaphragm, inlet valve, dump valve etc..Power The working principle and mud plunger pump at end are the same: motor-driven gear shaft is engaged with the gear on crankshaft, and crankshaft is slowed down Circular motion, and rotary motion is converted to by crankshaft connecting rod system the reciprocating motion of plunger.The working principle of fluid end is: Hydraulic oil is pushed by the reciprocating motion of plunger, hydraulic oil drives diaphragm to do the movement that back and forth circumnutates, and alternate change dielectric cavity volume is inhaled Enter valve, dump valve regularly to open, close, realizes the purpose that slurry is continuously conveyed.
Concrete pump, including motor, hydraulic system, plunger case, distributing valve etc..Working principle is: motor driven liquid Pressure system, the pressure that hydraulic system generates drive the piston rod alternate reciprocating motion of two oil cylinders, and the piston rod of two oil cylinders is each Drive the reciprocating motion of the pistons of a conveying cylinder.Conveying cylinder outlet sets distributing valve, and distributing valve is mainly S tubular type, and S pipe is two three Logical attribute, is connected to conveying cylinder and conveyance conduit respectively, realizes that mesh is continuously conveyed in slurry by the swing switching of S pipe feed inlet 's.
Mud plunger pump has the features such as operating pressure is high, and pressure is stablized, high safety and reliability, is suitble to high concentration, long distance From, slurry is continuously conveyed.Hydraulic diaphragm pump is other than having the advantages that mud plunger pump, because its diaphragm is complete by hydraulic oil and slurry Full isolation, also has the advantages that transportable high temperature, corrosivity slurry.Concrete pump has the advantages that flow is big, high-efficient. But there is also following deficiencies:
(1) working principle that crankshaft connecting rod system converts rotational motion to the reciprocating motion of plunger determines ram travel It is short, the opening and closing of valve relatively frequently, quick abrasion;
(2) when big flow conveys, multi-cylinder scheme is generally used.Plunger is more, valve is more, structure is complicated, takes up a large area;
(3) outlet distributing valve is S tubular type, and when reversal valve is commutated, conveyance conduit is communicated by reversal valve with hopper, High density slurry backflows under the action of pipeline elastic force, so that making the volumetric efficiency of pumping reduces.And due to S pipe valve Sealing receiving pressure is smaller, and in longer conveying distance or higher slurry body concentration, pipe-line transportation system is difficult to overcome larger Transporting resistance;
(4) high density slurry poor fluidity, suction resistance is big, and charging needs certain pressure, needs when static pressure is not able to satisfy Increase feeding pump;
(5) pumping cylinder by suction switch to pumping when generate biggish compression shock, influence pumping equipment service life and Reliability.
Summary of the invention
The present invention is to overcome the shortcomings of the existing technology, provide a kind of security reliability and the high high-pressure slurry conveying of transfer efficiency Pumping system and method.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of high-pressure slurry drug delivery pump system, packet Dynamical system and hydraulic systems are included, the dynamical system includes: hydraulic oil container, main motor, main oil pump, hydraulicdirectional control valve, cooling Device and master cylinder, the hydraulic systems include: conveying cylinder, feed subsystem and out blanking subsystem;Wherein, the charging subsystem It include: feed pipe, feed pipe service valve and charging cone valve, the blanking subsystem out includes: discharge nozzle, discharging service valve and discharging Cone valve;
The main motor is connect with the main oil pump, and the main oil pump is connect with the hydraulic oil container, the hydraulic commutation Valve is connect with the main oil pump, the cooler and the master cylinder respectively by pipeline, the master cylinder and the conveying cylinder Entrance connection, the outlet of the conveying cylinder is connect with the charging subsystem and the blanking subsystem out respectively by pipeline.
Further, the master cylinder is 2N, and the corresponding conveying cylinder is 2N, and wherein N >=1, N are integer.
Further, the hydraulicdirectional control valve is hand-operated direction valve, electric change valve or proportional control valve.
Further, the charging cone valve realizes that opening and closing is controllable according to the pressure change in the conveying cylinder, the discharging Cone valve realizes that opening and closing is controllable according to the pressure change in the conveying cylinder.
Further, the charging cone valve and discharging cone valve are unidirectional cone valve, comprising: valve deck, valve seat, valve rubber pad, valve Cone and valve spring, wherein the valve deck lid is on the valve seat, and the valve rubber pad is embedded in the valve seat, the valve Cone is arranged in the valve seat;One end of the valve spring offsets with the valve deck, and the other end offsets with the valve cone.
Further, when feeding cone valve or discharging cone valve is closed, the valve cone and the valve seat pass through the valve rubber Pad is sealed.
Further, the section of the valve seat and the valve cone is V-arrangement face.
According to another aspect of the present invention, a kind of high-pressure slurry delivery method, the method combination high pressure are additionally provided Slurry pipeline steel pumping system uses, wherein the high-pressure slurry drug delivery pump system, comprising: dynamical system and hydraulic systems, it is described dynamic Force system includes: hydraulic oil container, main motor, main oil pump, hydraulicdirectional control valve, cooler and master cylinder, and the hydraulic systems include: Conveying cylinder feeds subsystem and out blanking subsystem;
Wherein, the charging subsystem includes feed pipe, feed pipe service valve and charging cone valve, the blanking subsystem packet out Include expects pipe, discharging service valve and discharging cone valve;
The main motor is connect with the main oil pump, and the main oil pump is connect with the hydraulic oil container, the hydraulic commutation Valve is connect with the main oil pump, the cooler and the master cylinder respectively by pipeline, the master cylinder and the conveying cylinder Entrance connection, the outlet of the conveying cylinder is connect with the charging subsystem and the blanking subsystem out respectively by pipeline;
The high-pressure slurry conveys pumping method
Step 1, main oil described in the switching control of the hydraulic oil container, main motor, main oil pump by the hydraulicdirectional control valve Reciprocating motion of the pistons in cylinder;
Step 2, the piston in the master cylinder respectively drives the reciprocating motion of the pistons in the conveying cylinder;
Step 3a, when the piston in the conveying cylinder moves backward, the charging cone valve is opened, and the discharging cone valve closes It closes, slurry is sucked from the feed pipe;When the piston forward impelling in the conveying cylinder, the charging cone valve is closed, described The cone valve that discharges is opened, and slurry is discharged from the discharge nozzle;
Alternatively, step 3a ', when the piston in conveying cylinder moves backward, the charging cone valve is closed, the discharging cone valve It opens, slurry is discharged from the discharge nozzle;When the piston forward impelling in the conveying cylinder, the charging cone valve is opened, institute It states discharging cone valve to close, slurry is sucked from the feed pipe.
Further, when the master cylinder is 2N, the corresponding conveying cylinder is 2N, wherein N >=1, N are integer, Wherein, when the piston in a conveying cylinder moves backward, another corresponding described piston of conveying cylinder is past to be pushed forward Into realizing the high-pressure slurry drug delivery pump system continuous feed, the cyclic process of continuous discharge.
Further, the work of the charging cone valve, the cone valve that discharges is expressed as: under normal pressure, the valve spring makes institute It states valve cone and the valve seat closes under the action of elastic force and passes through the valve rubber and pads existing tight seal.When the conveying When piston in cylinder is pushed ahead, the pressure rise of conveying cylinder outlet, the charging cone valve is in close state, it is described out The valve cone of material cone valve overcomes the pressure of the valve spring and the valve seat to be detached from, and the discharging cone valve opens the (discharging Cone valve be connected to conveying cylinder outlet, the discharge nozzle respectively, and the valve cone of the cone valve that discharges is towards the conveying cylinder Outlet end);When the piston in the conveying cylinder moves backward, the pressure reduction of the conveying cylinder outlet, the discharging cone valve Be in close state, it is described charging cone valve the valve cone overcome the valve spring pressure and the valve seat be detached from, it is described into (the charging cone valve is connected to conveying cylinder outlet, the feed pipe unlatching of material cone valve respectively, described to feed the described of cone valve Valve cone is towards the feed pipe).
Further, the work of charging cone valve, the cone valve that discharges is also denoted as follows: under normal pressure, the valve spring makes The valve cone and the valve seat, which close under the action of elastic force and pass through the valve rubber, pads existing tight seal.The charging The course of work of cone valve or the discharging cone valve: when the piston in the conveying cylinder is pushed ahead, the conveying cylinder outlet Pressure rise, the discharging cone valve are in close state, and the valve cone of the charging cone valve overcomes the pressure of the valve spring It is detached from the valve seat, (the charging cone valve connects with conveying cylinder outlet, the feed pipe respectively for the charging cone valve unlatching Logical, the valve cone d of the charging cone valve is towards the conveying cylinder outlet end);When the piston in the conveying cylinder moves backward When, the pressure reduction of the conveying cylinder outlet, the charging cone valve is in close state, the valve cone gram of the discharging cone valve The pressure and the valve seat for taking the valve spring are detached from, discharging cone valve unlatching (the discharging cone valve respectively with the conveying Cylinder outlet, discharge nozzle connection, the valve cone of the discharging cone valve is towards the discharge nozzle).
The beneficial effect of the present invention compared with prior art is:
(1) high-pressure slurry drug delivery pump system of the invention drives reciprocating motion of the pistons by hydraulic system, and pumping efficiency can It is more efficient than mud plunger pump, hydraulic diaphragm pump up to 90%.
(2) the single-piston stroke of high-pressure slurry drug delivery pump system of the invention is up to 2500mm, and suction is bigger when charging, and Commutating frequency is low (about 25 beats/min), improves the mechanical efficiency of drug delivery pump system, and can reduce valve wear, improve use Service life.
(3) high-pressure slurry drug delivery pump system pump of the invention is directly connected to pipeline, valve using inlet and outlet, structure is simple, It is easy to maintenance, take up little area, be flexible for installation.
(4) charging, discharging of high-pressure slurry drug delivery pump system of the invention pump use unidirectional cone valve, for the conical surface of line contact Seal valve structure, sealing effect is good, meanwhile, it reduces and causes excessive commutation resistance because of the effect of high-pressure slurry, make commutation more Flexibly.
Detailed description of the invention
Fig. 1 is high-pressure slurry drug delivery pump system figure of the present invention;
Fig. 2 is present invention charging cone valve 803 and discharging 903 structure chart of cone valve;
Fig. 3 is the process chart of present invention charging cone valve 803 and the cone valve 903 that discharges;
Fig. 4 is the process chart of present invention charging cone valve 803 and the cone valve 903 that discharges;
Fig. 5 is the high-pressure slurry drug delivery pump system of the embodiment of the present invention 1;
Fig. 6 is the high-pressure slurry drug delivery pump system of the embodiment of the present invention 2.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.Below with reference to embodiment, the present invention will be described in detail.
In order to enable those skilled in the art to better understand the solution of the present invention, right below in conjunction with the embodiment of the present invention Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention one Partial embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, should fall within the scope of the present invention.
As shown in Figure 1, a kind of high-pressure slurry drug delivery pump system, including dynamical system and hydraulic systems, dynamical system include: Hydraulic oil container 10, main motor 20, main oil pump 30, hydraulicdirectional control valve 40, cooler 50 and master cylinder 60, hydraulic systems include: defeated Send cylinder 70, charging subsystem 80 and blanking subsystem 90 out;Wherein, charging subsystem 80 includes: feed pipe 801, feed pipe maintenance Valve 802 and charging cone valve 803, blanking subsystem 90 includes: discharge nozzle 901, discharging service valve 902 and discharging cone valve 903 out;
Main motor 20 is connect with main oil pump 30, and main oil pump 30 is connect with hydraulic oil container 10, and hydraulicdirectional control valve 40 passes through pipeline It is connect respectively with main oil pump 30, cooler 50 and master cylinder 60, master cylinder 60 is connect with the entrance of conveying cylinder 70, conveying cylinder 70 Outlet by pipeline respectively with charging subsystem 80 and out blanking subsystem 90 is connect.
It feeds and feed pipe service valve 802 is set on subsystem 80, discharge nozzle service valve 902 is set on blanking subsystem 90 out, Under normal conditions, feed pipe service valve 802 and discharge nozzle service valve 902 are normally open, different in stop production to overhaul or working line Chang Shi closes feed pipe service valve 802 and discharge nozzle service valve 902, cutting slurry and charging cone valve 803 and the cone valve 903 that discharges Contact, facilitate maintenance, improve working efficiency.
Preferably, master cylinder 60 is 2N, corresponding conveying cylinder 70 is 2N, and wherein N >=1, N are integer.
Preferably, hydraulicdirectional control valve 40 is hand-operated direction valve, electric change valve or proportional control valve.
Preferably, charging cone valve 803 realizes that opening and closing is controllable according to the pressure change in conveying cylinder 70, discharge cone valve 903 Realize that opening and closing is controllable according to the pressure change in conveying cylinder 70.
Preferably, as shown in Fig. 2, charging cone valve 803 and discharging cone valve 903 are unidirectional cone valve, comprising: valve deck a, valve seat b, Valve rubber pads c, valve cone d and valve spring e, wherein and on the valve seat b, valve rubber pad c is embedded in valve seat b valve deck a lid, Valve cone d is arranged in valve seat b;One end of valve spring e offsets with valve deck a, and the other end offsets with valve cone d.
Preferably, valve cone d and valve seat b pad c by valve rubber and carry out when feeding cone valve 803 or discharging cone valve 903 is closed Sealing.
Preferably, the section of valve seat b and valve cone d is V-arrangement face.
As shown in figure 3, the course of work of charging cone valve 803 and the cone valve 903 that discharges is as follows: under normal pressure, valve spring e makes valve cone D and valve seat b, which is closed under the action of elastic force and padded c by valve rubber, realizes tight seal.When the piston in conveying cylinder 70 to Be pushed forward into when, the pressure rise that conveying cylinder 70 exports, charging cone valve 803 is in close state, discharging d grams of valve cone of cone valve 903 The pressure and valve seat b disengaging of valve spring e are taken, (discharging cone valve 903 exports with conveying cylinder 70 respectively, discharges the unlatching of discharging cone valve 903 Pipe 901 is connected to, and the valve cone d for the cone valve 903 that discharges is towards 70 outlet end of conveying cylinder);When the piston in conveying cylinder 70 moves backward, The pressure reduction that conveying cylinder 70 exports, discharging cone valve 903 are in close state, and the valve cone d of charging cone valve 803 overcomes valve spring e Pressure and valve seat b be detached from, charging cone valve 803 open (charging cone valve 803 respectively with conveying cylinder 70 outlet, feed pipe 801 connect It is logical, the valve cone d of cone valve 803 is fed towards feed pipe 801).
Alternatively, as shown in figure 4, the course of work of charging cone valve 803 and the cone valve 903 that discharges can also be as follows: under normal pressure, valve Spring e closes valve cone d and valve seat b under the action of elastic force and pads c realization tight seal by valve rubber.Feed cone valve 803 or discharge cone valve 903 the course of work: when the piston in conveying cylinder 70 is pushed ahead, conveying cylinder 70 export pressure liter Height, discharging cone valve 903 are in close state, and the valve cone d of charging cone valve 803 overcomes the pressure of valve spring e and valve seat b to be detached from, into Material cone valve 803, which is opened, (to be fed cone valve 803 to be connected to the outlet of conveying cylinder 70, feed pipe 801 respectively, feeds the valve cone d of cone valve 803 Towards 70 outlet end of conveying cylinder);When the piston in conveying cylinder 70 moves backward, the pressure reduction that conveying cylinder 70 exports, charging Cone valve 803 is in close state, and the valve cone d of discharging cone valve 903 overcomes the pressure of valve spring e and valve seat b to be detached from, and discharge cone valve (discharging cone valve 903 is connected to the outlet of conveying cylinder 70, discharge nozzle 901 respectively, and the valve cone d direction for the cone valve 903 that discharges goes out for 903 unlatchings Expects pipe 901).
Preferably, charging cone valve 803 and discharging cone valve 903 use unidirectional cone valve, for the conical surface seal valve arrangement of line contact. Sealing effect is good, meanwhile, it reduces and causes excessive commutation resistance because of the effect of high-pressure slurry, make to commutate more flexible.
The present invention also provides a kind of high-pressure slurry delivery method, the method combines above-mentioned high-pressure slurry drug delivery pump system to make With, wherein high-pressure slurry drug delivery pump system, comprising: dynamical system and hydraulic systems, dynamical system include: hydraulic oil container 10, master Motor 20, main oil pump 30, hydraulicdirectional control valve 40, cooler 50 and master cylinder 60, hydraulic systems include: conveying cylinder 70, charging System 80 and out blanking subsystem 90;
Wherein, charging subsystem 80 includes feed pipe 801, feed pipe service valve 802 and charging cone valve 803, and discharge subsystem System 90 includes discharge nozzle 901, discharging service valve 902 and discharging cone valve 903;
The main motor 20 is connect with the main oil pump 30, and the main oil pump 30 is connect with the hydraulic oil container 10, described Hydraulicdirectional control valve 40 is connect with the main oil pump 30, the cooler 50 and the master cylinder 60 respectively by pipeline, the master Oil cylinder 60 is connect with the entrance of the conveying cylinder 70, the outlet of the conveying cylinder 70 by pipeline respectively with the charging subsystem 80 and it is described go out blanking subsystem 90 connect;
The high-pressure slurry delivery method includes:
Step 1, main oil described in the switching control that hydraulic oil container 10, main motor 20, main oil pump 30 pass through hydraulicdirectional control valve 40 Reciprocating motion of the pistons in cylinder 60;
Step 2, the piston in master cylinder 60 respectively drives the reciprocating motion of the pistons in conveying cylinder 70;
Step 3a, when the piston in conveying cylinder 70 moves backward, charging cone valve 803 is opened, and discharging cone valve 903 is closed, Slurry is sucked from feed pipe 801;When the piston forward impelling in conveying cylinder 70, charging cone valve 803 is closed, and discharge cone valve 903 It opens, slurry is discharged from discharge nozzle 901;
Alternatively, step 3a ', when the piston in conveying cylinder 70 moves backward, charging cone valve 803 is closed, and discharge cone valve 903 It opens, slurry is discharged from discharge nozzle 901;When the piston forward impelling in conveying cylinder 70, charging cone valve 803 is opened, reclaiming cone Valve 903 is closed, and slurry is sucked from feed pipe 801.
Preferably, the corresponding conveying cylinder 70 is 2N when master cylinder 60 selects 2N, wherein N >=1, N are integer, Wherein, when the piston in a conveying cylinder 70a moves backward, another corresponding described conveying cylinder 70a ' piston Forward impelling realizes the high-pressure slurry drug delivery pump system continuous feed, the cyclic process of continuous discharge.
A kind of high-pressure slurry drug delivery pump system provided by the present application is further illustrated below in conjunction with embodiment.
Embodiment 1, as shown in figure 5, a kind of high-pressure slurry drug delivery pump system, including dynamical system and hydraulic systems, power System includes: hydraulic oil container 10, main motor 20, main oil pump 30, hydraulicdirectional control valve 40, cooler 50 and master cylinder 60, fluid power system System includes: conveying cylinder 70, feeds subsystem 80 and out blanking subsystem 90;Wherein, charging subsystem 80 include: feed pipe 801, into Expects pipe service valve 802 and charging cone valve 803, blanking subsystem 90 includes: discharge nozzle 901, discharging service valve 902 and discharging cone valve out 903;
Main motor 20 is connect with main oil pump 30, and main oil pump 30 is connect with hydraulic oil container 10, and hydraulicdirectional control valve 40 passes through pipeline Respectively with main oil pump 30, cooler 50, master cylinder 60a and master cylinder 60a ' connection, the entrance of master cylinder 60a and conveying cylinder 70a Connection, master cylinder 60a ' are connect with the entrance of conveying cylinder 70a ', and the outlet of conveying cylinder 70a and conveying cylinder 70a ' are distinguished by pipeline With charging subsystem 80 and out blanking subsystem 90 is connect.
A kind of high-pressure slurry drug delivery pump system that above-described embodiment 1 provides, the system use 2 60 (wherein, N of master cylinder =1), corresponding, using 2 conveying cylinders 70 (wherein, N=1).
Meanwhile hydraulicdirectional control valve 40 uses electric change valve.
Embodiment 2, as shown in fig. 6, a kind of high-pressure slurry drug delivery pump system, including dynamical system and hydraulic systems, power System includes: hydraulic oil container 10, main motor 20, main oil pump 30, hydraulicdirectional control valve 40, cooler 50 and master cylinder 60, fluid power system System includes: conveying cylinder 70, feeds subsystem 80 and out blanking subsystem 90;Wherein, charging subsystem 80 include: feed pipe 801, into Expects pipe service valve 802 and charging cone valve 803, blanking subsystem 90 includes: discharge nozzle 901, discharging service valve 902 and discharging cone valve out 903;
Main motor 20 is connect with main oil pump 30, and main oil pump 30 is connect with hydraulic oil container 10, and hydraulicdirectional control valve 40 passes through pipeline It is connect respectively with main oil pump 30, cooler 50, master cylinder 60a, master cylinder 60a ', master cylinder 60b and master cylinder 60b ', master cylinder 60a is connect with the entrance of conveying cylinder 70a, and master cylinder 60a ' is connect with the entrance of conveying cylinder 70a ', master cylinder 60b and conveying cylinder The entrance of 70b connects, and master cylinder 60b ' is connect with the entrance of conveying cylinder 70b ', conveying cylinder 70a, conveying cylinder 70a ', conveying cylinder 70b Blanking subsystem 90 is connect with charging subsystem 80 and out respectively by pipeline for outlet with conveying cylinder 70b '.
Meanwhile hydraulicdirectional control valve 40 uses proportional control valve.
In above-described embodiment 1 and 2, the hydraulic oil supply system that hydraulic oil container 10, main motor 20, main oil pump 30 are constituted passes through liquid The reciprocating motion of the pistons in the switching control master cylinder 60 of reversal valve 40 is pressed, the piston in master cylinder 60 respectively drives conveying cylinder 70 Interior reciprocating motion of the pistons, piston stroke is larger, charging suction it is bigger, without setting feed pump, than mud plunger pump and it is hydraulic every Membrane pump transfer efficiency is high.
As the improvement of above-described embodiment 1 and 2, multiple 70 horizontal alignment of conveying cylinder arrangements, what each conveying cylinder 70 exported Charging cone valve 803 and discharging cone valve 903 are arranged above and below arrangement, and charging cone valve 803 is in downside, and discharging cone valve 903 is in upside.
As the improvement of above-described embodiment 1 and 2, multiple 70 horizontal alignment of conveying cylinder arrangements, what each conveying cylinder 70 exported It feeds cone valve 803 and discharging cone valve 903 to arrange in same plane, feeds cone valve 803 and 70 centerline axis parallel of conveying cylinder, discharging Cone valve 903 and 70 central axis upright of conveying cylinder.
As the improvement of above-described embodiment 1 and 2, multiple 70 horizontal alignment of conveying cylinder arrangements, what each conveying cylinder 70 exported It feeds cone valve 803 and discharging cone valve 903 to arrange in same plane, feeds the central axis upright of cone valve 803 and conveying cylinder 70, out Expect the centerline axis parallel of cone valve 903 and conveying cylinder 70.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used In other described embodiments.

Claims (10)

1. a kind of high-pressure slurry drug delivery pump system, including dynamical system and hydraulic systems, which is characterized in that the dynamical system packet It includes: hydraulic oil container (10), main motor (20), main oil pump (30), hydraulicdirectional control valve (40), cooler (50) and master cylinder (60), The hydraulic systems include: conveying cylinder (70), feed subsystem (80) and out blanking subsystem (90);Wherein, the charging subsystem System (80) includes: feed pipe (801), feed pipe service valve (802) and charging cone valve (803), blanking subsystem (90) packet out It includes: discharge nozzle (901), discharging service valve (902) and discharging cone valve (903);
The main motor (20) connect with the main oil pump (30), and the main oil pump (30) connect with the hydraulic oil container (10), The hydraulicdirectional control valve (40) by pipeline respectively with the main oil pump (30), the cooler (50) and the master cylinder (60) Connection, the master cylinder (60) connect with the entrance of the conveying cylinder (70), and the outlet of the conveying cylinder (70) passes through pipeline point It is not connect with the charging subsystem (80) and blanking subsystem (90) out.
2. high-pressure slurry drug delivery pump system according to claim 1, which is characterized in that the master cylinder (60) is 2N, The corresponding conveying cylinder (70) is 2N, and N >=1, N are integer.
3. high-pressure slurry drug delivery pump system according to claim 1 or 2, which is characterized in that the hydraulicdirectional control valve (40) For hand-operated direction valve, electric change valve or proportional control valve.
4. high-pressure slurry drug delivery pump system according to claim 1, which is characterized in that charging cone valve (803) basis Pressure change in the conveying cylinder (70) realizes that opening and closing is controllable, and the discharging cone valve (903) is according in the conveying cylinder (70) Pressure change realize that opening and closing is controllable.
5. high-pressure slurry drug delivery pump system according to claim 4, which is characterized in that the charging cone valve (803) and go out Expect that cone valve (903) are unidirectional cone valve, comprising: valve deck (a), valve seat (b), valve rubber pad (c), valve cone (d) and valve spring (e), Wherein, valve deck (a) lid is on the valve seat (b), and the valve rubber pad (c) is embedded in the valve seat (b), the valve (d) setting is bored in the valve seat (b);One end of the valve spring (e) offsets with the valve deck (a), the other end and the valve Cone (d) offsets.
6. high-pressure slurry drug delivery pump system according to claim 5, which is characterized in that when charging cone valve (803) or discharge When cone valve (903) is closed, the valve cone (d) is sealed with the valve seat (b) by the valve rubber pad (c).
7. high-pressure slurry drug delivery pump system according to claim 5 or 6, which is characterized in that the valve seat (b) and the valve The section for boring (d) is V-arrangement face.
8. a kind of high-pressure slurry delivery method, it is characterised in that: the method combination high-pressure slurry drug delivery pump system uses, In, the high-pressure slurry drug delivery pump system, comprising: dynamical system and hydraulic systems, the dynamical system include: hydraulic oil container (10), main motor (20), main oil pump (30), hydraulicdirectional control valve (40), cooler (50) and master cylinder (60), the hydraulic systems Include: conveying cylinder (70), feed subsystem (80) and out blanking subsystem (90);
Wherein, the charging subsystem (80) includes feed pipe (801), feed pipe service valve (802) and feeds cone valve (803), Blanking subsystem (90) out include discharge nozzle (901), discharging service valve (902) and discharging cone valve (903);
The main motor (20) connect with the main oil pump (30), and the main oil pump (30) connect with the hydraulic oil container (10), The hydraulicdirectional control valve (40) by pipeline respectively with the main oil pump (30), the cooler (50) and the master cylinder (60) Connection, the master cylinder (60) connect with the entrance of the conveying cylinder (70), and the outlet of the conveying cylinder (70) passes through pipeline point It is not connect with the charging subsystem (80) and blanking subsystem (90) out;
The high-pressure slurry delivery method includes:
Step 1, the switching that the hydraulic oil container (10), main motor (20), main oil pump (30) pass through the hydraulicdirectional control valve (40) Control the reciprocating motion of the pistons in the master cylinder (60);
Step 2, the piston in the master cylinder (60) respectively drives the reciprocating motion of the pistons in the conveying cylinder (70);
Step 3a, when the piston in the conveying cylinder (70) moves backward, the charging cone valve (803) is opened, the discharging Cone valve (903) is closed, and slurry is sucked from feed pipe (801);When the piston forward impelling in the conveying cylinder (70), it is described into Expect that cone valve (803) are closed, the discharging cone valve (903) is opened, and slurry is discharged from the discharge nozzle (901);
Alternatively, step 3a ', when the piston in the conveying cylinder (70) moves backward, the charging cone valve (803) is closed, institute It states discharging cone valve (903) to open, slurry is discharged from the discharge nozzle (901);It is pushed forward when the piston in the conveying cylinder (70) is past Into when, the charging cone valve (803) is opened, and the discharging cone valve (903) is closed, and slurry is from the feed pipe (801) sucking.
9. high-pressure slurry delivery method according to claim 8, which is characterized in that when the master cylinder (60) are 2N, The corresponding conveying cylinder (70) is 2N, and wherein N >=1, N are integer, wherein the work in a conveying cylinder (70a) Plug moves backward, another corresponding described conveying cylinder (70a ') piston forward impelling realizes that the high-pressure slurry is defeated Send the cyclic process of pumping system continuous feed, continuous discharge.
10. high-pressure slurry delivery method according to claim 8, which is characterized in that the charging cone valve (803) and discharging Cone valve (903) is unidirectional cone valve, comprising: valve deck (a), valve seat (b), valve rubber pad (c), valve cone (d) and valve spring (e), wherein Valve deck (a) lid is on the valve seat (b), and the valve rubber pad (c) is embedded in the valve seat (b), the valve cone (d) Setting is in the valve seat (b);One end of the valve spring (e) offsets with the valve deck (a), the other end and the valve cone (d) It offsets;
It is described charging cone valve (803), discharge cone valve (903) work be expressed as: under normal pressure, the valve spring (e) makes institute It states valve cone (d) and the valve seat (b) closes under the action of elastic force and passes through the valve rubber pad (c) and realizes tight seal, When the piston in the conveying cylinder (70) is pushed ahead, the pressure rise of conveying cylinder (70) outlet, the charging cone valve (803) be in close state, it is described discharging cone valve (903) the valve cone (d) overcome the pressure of the valve spring (e) with it is described Valve seat (b) is detached from, and the discharging cone valve (903) is opened;When the piston in the conveying cylinder (70) moves backward, the conveying The pressure reduction of cylinder (70) outlet, the discharging cone valve (903) are in close state, the valve of charging cone valve (803) Cone (d) overcomes the pressure of the valve spring (e) and the valve seat (b) to be detached from, and the charging cone valve (803) is opened;
Or it is described charging cone valve (803), discharge cone valve (903) work be also denoted as it is as follows: under normal pressure, the valve bullet Spring (e) closes the valve cone (d) and the valve seat (b) under the action of elastic force and passes through valve rubber pad (c) realization Tight seal.The course of work of charging cone valve (803) or discharging cone valve (903): when in the conveying cylinder (70) When piston is pushed ahead, the pressure rise of conveying cylinder (70) outlet, the discharging cone valve (903) is in close state, institute The valve cone (d) for stating charging cone valve (803) overcomes the pressure of the valve spring (e) and the valve seat (b) to be detached from, the charging Cone valve (803) is opened;When the piston in the conveying cylinder (70) moves backward, the pressure drop of conveying cylinder (70) outlet Low, the charging cone valve (803) is in close state, and the valve cone (d) of discharging cone valve (903) overcomes the valve spring (e) pressure and the valve seat (b) is detached from, and the discharging cone valve (903) is opened.
CN201810868259.6A 2018-08-02 2018-08-02 A kind of high-pressure slurry drug delivery pump system and method Pending CN108953089A (en)

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Application publication date: 20181207