CN109276943A - The devices and methods therefor of ammonium bicarbonate solution removal of impurities oil removing - Google Patents
The devices and methods therefor of ammonium bicarbonate solution removal of impurities oil removing Download PDFInfo
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- CN109276943A CN109276943A CN201811342456.0A CN201811342456A CN109276943A CN 109276943 A CN109276943 A CN 109276943A CN 201811342456 A CN201811342456 A CN 201811342456A CN 109276943 A CN109276943 A CN 109276943A
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- valve
- stoste
- fiber ball
- filter
- ball filter
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- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 title claims abstract description 42
- 235000012538 ammonium bicarbonate Nutrition 0.000 title claims abstract description 42
- 239000001099 ammonium carbonate Substances 0.000 title claims abstract description 42
- 239000012535 impurity Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 239000000706 filtrate Substances 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000011001 backwashing Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000002351 wastewater Substances 0.000 claims description 28
- 238000010079 rubber tapping Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 206010067868 Skin mass Diseases 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 229920002521 macromolecule Polymers 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 24
- 238000005238 degreasing Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- -1 rare earth carbonate Chemical class 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013386 optimize process Methods 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of devices of ammonium bicarbonate solution removal of impurities oil removing, it include: that stoste slot, raw liquor pump, fiber ball filter, liquid tank are sequentially connected by pipeline and are connect, basket filter is arranged on the pipeline between stoste slot and raw liquor pump, and electromagnetic flowmeter is arranged on the pipeline between raw liquor pump and fiber ball filter;Stoste slot is provided with liquidometer, and backwashing water storage tank passes through the backwash inlet valve of piping connection fiber ball filter by piping connection backwash pump, backwash pump;Fiber ball filter is provided with pressure difference switch, and pressure difference switch provides pressure difference by the pressure gauge at stoste inlet valve and filtrate effluent valve two;Liquid tank is provided with clear liquid storage tank liquidometer.The invention also discloses a kind of methods of ammonium bicarbonate solution removal of impurities oil removing.The present invention guarantees realization filtering and equipment cleaning under closed environment, improves equipment disposal ability and the degree of automation.
Description
Technical field
The present invention relates to a kind of processing techniques of ammonium bicarbonate solution, specifically, are related to a kind of ammonium bicarbonate solution removal of impurities
The devices and methods therefor of oil removing.
Background technique
Ammonium hydrogencarbonate (hereinafter referred to as ammonium bicarbonate) is the precipitating reagent generally used in rare earth carbonate industrial production, generally uses water
It is configured to solution use.The agent of macromolecule organic active can be added by a certain percentage to prevent from agglomerating in industrial ammonium bicarbonate production process
(hereinafter referred to as oily), while can inevitably bring the impurity such as dust, packing material relic into production, transhipment and use process, these
Substance can directly or indirectly influence the product quality of carbonated rare earth, so the ammonium bicarbonate solution that rare-earth trade uses must filter, to the greatest extent
Amount removal three of the above substance.
As shown in Figure 1, being the work flow diagram of ammonium bicarbonate solution removal of impurities degreasing unit in the prior art.
The capital equipment of the removal of impurities degreasing unit of ammonium bicarbonate solution is that van-type (or board-like) filter press and degreasing tank, removal of impurities remove
Oily sequence is: first squeezing into filter press with pump, squeezes into degreasing tank with pump again after removing solid impurity, the liquid after oil removing is squeezed into pump
Clear liquid storage tank.Wherein degreasing tank is the interior open PVC slot for setting the double-deck sieve plate, and lower layer's sieve plate is fixed, is covered with above except malthoid, needle
Brocade and pp carpet;Upper sieve plate is detachable, is used for gland three layer filtration bed course.The process unit haves the defects that certain:
A, filter press, degreasing tank are all non-Sealing Arrangements, and the ammonia odor that volatilization is decomposed when filtering ammonium bicarbonate solution is diffused in sky
In gas, cause operating environment severe.
B, canvas press cloth and degreasing tank bed course manually dismount, and operating environment is poor, high labor cost.
C, the macromolecule organic active agent in ammonium hydrogen carbonate is trapped in fiber gap and the surface of filter cloth, can only manually shovel
It is continued to use after the macromolecule organic active agent of filter cloth surface, regenerated filter cloth is hardened serious, and the service life of filter cloth is short, needs
Frequently replacement, labor intensity of workers are big.
D, to guarantee that filter effect, ammonium bicarbonate solution flow through three bed courses of degreasing tank in the form of natural filtration, flow velocity is small,
It is unable to satisfy the process demand of high-volume solution.
E, process unit is difficult to realize automatic control.
Summary of the invention
Technical problem solved by the invention is to provide a kind of devices and methods therefor of ammonium bicarbonate solution removal of impurities oil removing, protects
Card realizes filtering and equipment cleaning under closed environment, improves equipment disposal ability and the degree of automation.
Technical solution is as follows:
A kind of device of ammonium bicarbonate solution removal of impurities oil removing, comprising: include: stoste slot, basket filter, raw liquor pump, fibre
Tie up ball filter, liquid tank, production waste water chute, backwashing water storage tank, backwash pump;Stoste slot, raw liquor pump, fibrous nodules mistake
Filter, liquid tank are sequentially connected by pipeline and are connect, and basket filter is arranged on the pipeline between stoste slot and raw liquor pump, electromagnetism
Flowmeter is arranged on the pipeline between raw liquor pump and fiber ball filter;Stoste slot is provided with liquidometer, backwashing water storage tank
By piping connection backwash pump, backwash pump passes through the backwash inlet valve of piping connection fiber ball filter;Fiber
Ball filter is provided with pressure difference switch, and pressure difference switch provides pressure difference by the pressure gauge at stoste inlet valve and filtrate effluent valve two
Value;Liquid tank is provided with clear liquid storage tank liquidometer.
Further, raw liquor pump is separately connected stoste slot, fiber ball filter by pipeline, all the way for fibre-ball filtration
Device provides feed liquid, and feed liquid is flowed back into stoste slot by another way.
Further, when 4 turnover pipeline pressure difference of fibre-ball filtration reaches setting pressure difference, pressure difference switch is controlled to PLC
Device sends signal, starts PLC alarm, shows that fiber ball filter the import and export pipeline hydraulic pressure difference reaches setting value, need to be to filtrate
It is backwashed.
Further, fiber ball filter includes: filter body and upper cover, and upper cover is located at the top of filter body, mistake
Filter body is connected with upper cover using bolt;Upper cover is provided with positive pressure inlet flange mouth, exhaust flange mouth, pressing device, just
It is pressed into gas flange port and is provided with positive pressure intake valve, exhaust flange mouth is provided with exhaust valve, and exhaust flange mouth is connected former by pipeline
Liquid bath;Positive pressure intake valve passes through piping connection compressed air cylinder;The cylinder of pressing device is connected on lid;Fiber ball filter
Inside is equipped with fibrous nodules and pressure plate, and pressure plate is located at the top of fibrous nodules;The piston of cylinder interior is connected with telescopic rod, stretches
Bar is protruded into inside fiber ball filter and is connected on pressure plate;Cylinder top passes through piping connection compressed air cylinder;Filter sheet
Body is provided with upper opening and under shed on side wall, and filter body bottom is provided with flange in the bottom mouth;Upper opening is provided with
Stoste inlet valve, backwash drain valve;For raw liquor pump through piping connection on stoste inlet valve, backwash drain valve passes through pipeline
Connection production waste water chute;Under shed is provided with backwash inlet valve, filtrate effluent valve, positive pressure tapping valve, evacuation port hand-operated valve;
Inlet valve is backwashed by piping connection backwash pump, for filtrate effluent valve by piping connection liquid tank, positive pressure tapping valve is logical
Piping connection stoste slot is crossed, evacuation port hand-operated valve produces waste water chute by piping connection;Stoste inlet valve, backwash draining
Valve, backwash inlet valve, filtrate effluent valve, positive pressure tapping valve pass through piping connection compressed air cylinder;It is arranged on flange in the bottom mouth
There is backwash intake valve.
Further, filter body is provided with support rod on side wall, and revolving sleeve, the side of revolving sleeve are set on support rod
Connecting plate is provided on wall, the end of connecting plate is connected with thread bush;The top of cylinder is connected with threaded rod, and threaded rod is set
It is equipped with turntable;Threaded rod is mounted on thread bush.
Further, stoste slot, basket filter, fiber ball filter, liquid tank, be provided on backwashing water storage tank inner wall
Resin category macromolecule ethylene liner.
Further, raw liquor pump, backwash pump, positive pressure intake valve, exhaust valve, stoste inlet valve, backwash drain valve, anti-
The control terminal for rinsing inlet valve, filtrate effluent valve, positive pressure tapping valve, backwash intake valve and pressing device cylinder passes through conducting wire
Connect PLC controller;Electromagnetic flowmeter, liquidometer, pressure difference switch, clear liquid storage tank liquidometer signal output end pass through conducting wire connect
Connect PLC controller.
A kind of method of ammonium bicarbonate solution removal of impurities oil removing, comprising:
Stoste in stoste slot enters fiber ball filter by raw liquor pump, fiber ball filter to ammonium bicarbonate soln into
Row removal of impurities oil removing;
When fiber ball filter internal pressure rises to setting pressure difference, raw liquor pump is closed, fiber ball filter enters
Backwashing procedures;After completing backwashing procedures, fiber ball filter continues to carry out removal of impurities oil removing to ammonium bicarbonate soln.
Preferred: the liquid level of stoste slot determines by meltage, starts fiber ball filter after dissolving completely, start button to
After PLC controller issues enabled instruction, equipment enters PLC controller and monitors and controls state automatically;PLC controller issues instruction
The stoste inlet valve and filtrate effluent valve for opening fiber ball filter, start raw liquor pump, and open exhaust valve, after deflation after delay
Exhaust valve is closed, the stoste in stoste slot enters fiber ball filter by raw liquor pump;When in fiber ball filter internal pressure
Be raised to setting pressure difference when, pressure difference switch give PLC controller send signal, close raw liquor pump, late release stoste inlet valve and
After filtrate effluent valve, fibre-ball filtration enters carry out backwashing procedures.
Preferred: the signal of former liquid level of liquid tank meter and the signal of clear liquid storage tank liquidometer enter PLC controller, guarantee in fibre
Tie up under ball filter starting state according to the start and stop to the numerical signal monitoring result of liquidometer and liquidometer control raw liquor pump with
And the stoste inlet valve and filtrate effluent valve of fiber ball filter are controlled;The entry condition of raw liquor pump is the liquid of stoste slot
Position count value is greater than low liquid level value, and the liquid level count value of clear liquid storage tank is less than high liquid level value;When the level value of stoste slot reaches
Low liquid level is prescribed a time limit, and raw liquor pump is stopped;It prescribes a time limit when the level value of clear liquid storage tank reaches high liquid level, stops raw liquor pump.
The technology of the present invention effect includes:
The present invention solves the problems, such as of the existing technology, and filtrate is realized renewable, can not only reduce consumables cost but also can
To reduce cost of labor;Guarantee to realize filtering and equipment cleaning under closed environment, ammonium bicarbonate smell avoided to enter operation scene,
Improve operating environment;Optimize process equipment, science combination improves equipment disposal ability and the degree of automation.
1, the fibrous nodules of different specific surface areas can be selected according to the characteristic of solution, the pressing device of bonding apparatus itself can be with
Adjustment filtering hole, same equipment reach different filter effects;
2, integral filter system carries out under conditions of certain pressure, improves processing capacity;
3, the high score for being adsorbed on fiber surface may be implemented in the characteristic loose using fiber softening during backwash
Media regeneration is realized in the separation of sub- organic active agent and fiber, reduces consumables cost and cost of labor;
4, normal filtration, regenerative process realize that whole route is hermetically sealed, and ammonia taste is avoided to evaporate into environment, stoste slot, clear
Liquid storage tank and gas absorption system connection improve operating environment;
5, optimize process equipment and process, using automatic control device and reasonably control program, realize automatic operation,
Reduce labor intensity.
Detailed description of the invention
Fig. 1 is the work flow diagram of ammonium bicarbonate solution removal of impurities degreasing unit in the prior art;
Fig. 2 is the structural schematic diagram of the device of ammonium bicarbonate solution removal of impurities oil removing in the present invention;
Fig. 3 is the structural schematic diagram of fiber ball filter in the present invention;
Fig. 4 is the partial cutaway view of fiber ball filter in the present invention.
Specific embodiment
Be described below and specific embodiments of the present invention be fully shown, with enable those skilled in the art to practice and
It reproduces.
As shown in Fig. 2, being the structural schematic diagram of the device of ammonium bicarbonate solution removal of impurities oil removing in the present invention.
The structure of the device of ammonium bicarbonate solution removal of impurities oil removing includes: stoste slot 1, basket filter 2, raw liquor pump 3, fiber
Ball filter 4, liquid tank 5, production waste water chute 6, backwashing water storage tank 7, backwash pump 8.
Stoste slot 1, raw liquor pump 3, fiber ball filter 4, liquid tank 5 are sequentially connected by pipeline and are connect, and basket filter 2 is set
It sets on the pipeline between stoste slot 1 and raw liquor pump 3, electromagnetic flowmeter 9 is arranged between raw liquor pump 3 and fiber ball filter 4
Pipeline on.Basket filter 2 is for retaining bulky grain insoluble matter and unpacking impurity.Stoste slot 1 is provided with liquidometer 11, liquid level
Meter 11 is for detecting the liquid level in stoste slot 1.Electromagnetic flowmeter 9 is used to measure the material flow into fiber ball filter 4
Amount.Backwashing water storage tank 7 passes through piping connection fiber ball filter 4 by piping connection backwash pump 8, backwash pump 8
Backwash inlet valve E.
Raw liquor pump 3 is separately connected stoste slot 1, fiber ball filter 4 by pipeline, all the way for fiber ball filter 4
Feed liquid is provided, feed liquid is flowed back into stoste slot 1 by another way.Fiber ball filter 4 is provided with pressure difference switch 41, and pressure difference switch 41 is logical
The pressure gauge crossed at stoste inlet valve C and filtrate effluent valve F two provides pressure difference;When 4 turnover pipeline pressure of fiber ball filter
When difference reaches setting pressure difference, pressure difference switch 41 sends signal to PLC controller, starts PLC alarm, shows fibre-ball filtration
4 the import and export pipeline hydraulic pressure difference of device reaches setting value, need to backwash to filtrate
Liquid tank 5 is provided with clear liquid storage tank liquidometer 51, and clear liquid storage tank liquidometer 51 is used to detect the liquid in clear liquid storage tank 5
Position height.
As shown in figure 3, being the structural schematic diagram of fiber ball filter 4 in the present invention;As shown in figure 4, being fine in the present invention
Tie up the partial cutaway view of ball filter 4.
The structure of fiber ball filter 4 includes: filter body 42 and upper cover 43, and upper cover 43 is located at filter body 42
Top, filter body 42 are connected with upper cover 43 using bolt.
Upper cover 43 is provided with positive pressure inlet flange mouth, exhaust flange mouth, pressing device 431, the setting of positive pressure inlet flange mouth
There is positive pressure intake valve A, exhaust flange mouth is provided with exhaust valve B, and exhaust flange mouth connects stoste slot 1 by pipeline.Positive pressure air inlet
Valve A connects compressed air cylinder by pipeline.The cylinder 432 of pressing device 431 is connected in upper cover 43.
Fibrous nodules 44 and pressure plate 45 are housed, pressure plate 45 is located at the top of fibrous nodules 44 inside fiber ball filter 4;Gas
Piston inside cylinder 432 is connected with telescopic rod 433, and telescopic rod 433 protrudes into inside fiber ball filter 4, is connected to pressure plate 45
On.432 top of cylinder passes through piping connection compressed air cylinder.Fibrous nodules 44 select hydrophilic and oleophobic polypropylene fiber ball, realize deep
Spend filter and deoiling function.
431 liner titanizing of cylinder, to meet the requirement for anticorrosion in ammonium bicarbonate solution containing chloride ion.The material of telescopic rod 433
For stainless steel.
Exhaust flange mouth can be avoided because the volatilization gas of 4 inside ammonium bicarbonate solution of fiber ball filter makes caused by feeling suffocated in tank
The phenomenon that processing capacity reduces, and avoid the starting of pressure difference triggering backwashing procedures.Stoste slot 1 passes through ventilation shaft simultaneously
Gas absorption system is connected, avoids decomposing the ammonia pollution air generated.
Filter body 42 is provided with upper opening 421 and under shed 422 on side wall, is arranged in 42 bottom of filter body
There is flange in the bottom mouth 423.
Upper opening 421 is provided with stoste inlet valve C, backwash drain valve D.Raw liquor pump 3 by piping connection stoste into
On water valve C, backwash drain valve D produces waste water chute 6 by piping connection.Stoste inlet valve C, backwash drain valve D pass through
Piping connection compressed air cylinder.
Under shed 422 is provided with backwash inlet valve E, filtrate effluent valve F, positive pressure tapping valve G, evacuation port hand-operated valve H.Instead
Inlet valve E is rinsed by piping connection backwash pump 8, filtrate effluent valve F passes through piping connection liquid tank 5.Positive pressure tapping valve G
By piping connection stoste slot 1, evacuation port hand-operated valve H produces waste water chute 6 by piping connection.It is beaten before backwashing filtrate
Positive pressure intake valve A is opened, air is oppressed solution in fiber ball filter 4 and is discharged by positive pressure tapping valve G, it is all expelled back into stoste slot 1,
It avoids wasting.Evacuation port hand-operated valve H only when replacing filtrate, uses to thoroughly empty tank body.Backwash inlet valve E,
Filtrate effluent valve F, positive pressure tapping valve G pass through piping connection compressed air cylinder.
Backwash intake valve I is provided on flange in the bottom mouth 423.Intake valve I is backwashed for the gas in backwash process
It washes.
Filter body 42 is provided with support rod 424 on side wall, and revolving sleeve 425, revolving sleeve are set on support rod 424
Connecting plate 426 is provided on 425 side wall, the end of connecting plate 426 is connected with thread bush 427;The top activity of cylinder 432 connects
It is connected to threaded rod 433, threaded rod 433 is provided with turntable 434;Threaded rod 433 is mounted on thread bush 427.It needs to overhaul fiber
When ball 4 inside of filter, the bolt that filter body 42 and upper cover 43 connect is unloaded, rotary turnplate 434, turntable 434 drives
Threaded rod 433 rotates, and threaded rod 433 lifts upper cover 43 and cylinder 432, pushes upper cover 43 to separate with filter body 42, mistake
Filter body 42 can vacate service clearance.
Stoste slot 1, fiber ball filter 4, liquid tank 5, is provided with PO on 7 inner wall of backwashing water storage tank at basket filter 2
(resin category macromolecule ethylene) liner, can satisfy solution temperature between 30-50 DEG C of requirement.
Positive pressure intake valve A, exhaust valve B, stoste inlet valve C, backwash drain valve D, backwash inlet valve E, filtrate effluent
Valve F, positive pressure tapping valve G, backwash intake valve I select the pneumatic operated valve or solenoid valve of automatic switch.
Raw liquor pump 3, positive pressure intake valve A, exhaust valve B, stoste inlet valve C, backwashes drain valve D, is anti-backwash pump 8
The control terminal for rinsing inlet valve E, filtrate effluent valve F, positive pressure tapping valve G, backwash intake valve I and cylinder 432 passes through conducting wire
Connect PLC controller;Electromagnetic flowmeter 9, liquidometer 11, pressure difference switch 41, the signal output end of clear liquid storage tank liquidometer 51 are logical
Cross conducting wire connection PLC controller.Electromagnetic flowmeter 9, liquidometer 11, clear liquid storage tank liquidometer 51 and raw liquor pump 3 link.Pressure difference is opened
It closes 41 and the indicating alarm for needing to backwash is issued by PLC, and automatically into backwashing procedures after postponing 120s.
When liquidometer 11 detects the liquid level of stoste slot 1 lower than setting value, raw liquor pump 3 stops;Clear liquid storage tank liquidometer 51
When detecting that the liquid level of liquid tank 5 is higher than setting value, raw liquor pump 3 stops.
When pressure difference switch 41 detects that 4 internal pressure differences value of fiber ball filter is greater than the set value, signal is issued to PLC, is closed
Raw liquor pump 3 is closed, delay 10s closes stoste inlet valve C, then postpones 10s and close filtrate effluent valve F, while PLC rack alarm sounds
Bell enters progress backwashing procedures after prompting 120s.
When the flow that the detection of electromagnetic flowmeter 9 enters fiber ball filter 4 is less than or equal to setting value, without artificially adjusting back
Flow controls the flow into fiber ball filter.The flow that the detection of electromagnetic flowmeter 9 enters fibre-ball filtration 4 is greater than setting
When value, the flow value for being adjusted into fiber ball filter 4 need to be reached by adjusting reflux branch road valve aperture.
It such as wants flow that can automatically adjust, then needs to add variable-frequency motor and frequency converter for raw liquor pump 3, with electromagnetic flowmeter 9
Chain frequency converter, to control the automatic adjustment that variable-frequency motor realizes 3 flow of raw liquor pump;Or for into fiber ball filter 4
Pipeline adds electric control valve, and the automatic control of flow is realized by the chain electric control valve of electromagnetic flowmeter 9.
The method of ammonium bicarbonate solution removal of impurities oil removing, specific steps include:
Step 1: the stoste in stoste slot 1 enters fiber ball filter 4 by raw liquor pump 3, and fiber ball filter 4 is to carbonic acid
Hydrogen ammonium salt solution carries out removal of impurities oil removing;
The liquid level of stoste slot 1 is determined by meltage, starts fiber ball filter 4 after dissolving completely, and start button is sent out to PLC
Out after enabled instruction, equipment enters PLC and monitors and controls state automatically;The stoste of PLC sending instruction unpack fiber ball filter 4
Inlet valve C and filtrate effluent valve F starts raw liquor pump 3 after delay 3 seconds, and opens exhaust valve B, closes exhaust valve after deflating 60 seconds
B, the stoste in stoste slot 1 enters fiber ball filter 4 by raw liquor pump 3, by fiber ball filter 4 to ammonium bicarbonate soln
Clean oil removing.
The entry condition of raw liquor pump 3 is that 11 numerical value of liquidometer of stoste slot 1 is greater than low liquid level value, and the liquid of clear liquid storage tank 5
Position 51 numerical value of meter are less than high liquid level value.It prescribes a time limit when the level value of stoste slot 1 reaches low liquid level, is automatically stopped raw liquor pump 3;Work as clear liquid
The level value of storage tank 5 reaches high liquid level and prescribes a time limit, and is automatically stopped raw liquor pump 3.The signal and clear liquid storage tank liquid of former liquid level of liquid tank meter 11
The signal of position meter 51, which all acquires, enters PLC controller, guarantees under 4 starting state of fiber ball filter according to 11 He of liquidometer
The start and stop of the numerical signal monitoring result control raw liquor pump 3 of liquidometer 51 and to the stoste inlet valve C of fiber ball filter 4 and
Filtrate effluent valve F is carried out automatically controlling.
Step 2: when 4 internal pressure of fiber ball filter rises to setting pressure difference, closing raw liquor pump 3, fibrous nodules mistake
Filter 4 enters backwashing procedures;
When 4 internal pressure of fiber ball filter rises to setting pressure difference, pressure difference switch 41 is sent to PLC controller to be believed
Number, raw liquor pump 3 is closed, delay 10s closes stoste inlet valve C and filtrate effluent valve F, while PLC rack alarm sounds bell, prompts
Fibre-ball filtration 4, which enters, after 120s carries out backwashing procedures.
Backwashing procedures concrete operations process is as shown in table 1.
Table 1
Step 201: positive pressure air inlet extrudes feed liquid in tank and returns stoste slot 1;
PLC controller sends signal and opens positive pressure intake valve A, positive pressure tapping valve G, and compressed air is by fiber ball filter 4
Interior stoste is expelled back into stoste slot 1, closes positive pressure intake valve A after emptying a period of time;
Step 202: mixing wastewater with air backwash;
Positive pressure tapping valve G is closed, backwash drain valve D, the pressure plate of lifting press 431 are opened;Open backwash
Inlet valve E, starting backwash pump 8, open backwash intake valve I;The waste water that recoil washes out is entered by backwash drain valve D
Produce waste water chute 6;
Step 203: maintenance air inlet backwash;
PLC controller sends signal and shuts down backwash pump 8, closes backwash inlet valve E, closes backwash intake valve I,
Continue to clean using the compressed air entered from positive pressure intake valve A, remaining waste water enters production by backwash drain valve D and gives up
Water flow grooves 6;
Step 204: individually water inlet backwash for the first time;
PLC controller sends signal and opens backwash inlet valve E, opens backwash pump 8, recoil is shut down after a period of time
Wash water pump 8 closes backwash inlet valve E;Waste water enters production waste water chute 6 by backwashing drain valve D after cleaning;
Step 205: pushing pressure plate 2 times repeatedly for the first time;
PLC controller send signal pushes repeatedly, the pressure plate of lifting press 431, the waste water squeezed out by instead
Flushing drain valve D enters production waste water chute 6;
Step 206: individually air inlet backwash for the first time;
PLC controller sends signal and opens backwash intake valve I, and backwash intake valve I is closed after a period of time, and air is blown
Waste water out enters production waste water chute 6 by backwashing drain valve D;
Step 207: second of individually water inlet backwash;
PLC controller sends signal and opens backwash inlet valve E, opens backwash pump 8, recoil is shut down after a period of time
Wash water pump 8 closes backwash inlet valve E;The waste water flushed out enters production waste water chute 6 by backwashing drain valve D;
Step 208: pushing pressure plate 2 times repeatedly for the second time;
PLC controller send signal pushes repeatedly, the pressure plate of lifting press 431, the waste water squeezed out by instead
Flushing drain valve D enters production waste water chute 6;
Step 209: second of individually air inlet backwash
PLC controller sends signal and opens backwash intake valve I, and backwash intake valve I is closed after a period of time, and air is blown
Waste water out enters production waste water chute 6 by backwashing drain valve D;
Step 210: third time individually water inlet backwash;
PLC controller sends signal and opens backwash inlet valve E, opens backwash pump 8, recoil is shut down after a period of time
Wash water pump 8 closes backwash inlet valve E;The waste water flushed out enters production waste water chute 6 by backwashing drain valve D;
Step 211: ejected wash water in tank is pressed into stoste slot by positive pressure air inlet.
PLC controller sends signal-off and backwashes outlet valve F, opens positive pressure tapping valve G, pushes pressure plate 45, opens
Positive pressure intake valve A;Positive pressure positive pressure intake valve A is closed after a period of time, closes positive valve F;The waste water of air blowout passes through positive pressure
Tapping valve G is expelled back into stoste slot 1.
Step 3: after completing backwashing procedures, PLC reenters step 1 after postponing 300s, and fiber ball filter 4 continues
Removal of impurities oil removing is carried out to ammonium bicarbonate soln.
It should be understood that the foregoing is merely a specific embodiment of the invention, but protection scope of the present invention is not
It is confined to this, anyone skilled in the art in the technical scope disclosed by the present invention, can readily occur in variation
Or replacement, it should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the claim
Protection scope subject to.
Claims (10)
1. a kind of device of ammonium bicarbonate solution removal of impurities oil removing characterized by comprising include: stoste slot, basket filter,
Raw liquor pump, fiber ball filter, liquid tank, production waste water chute, backwashing water storage tank, backwash pump;Stoste slot, stoste
Pump, fiber ball filter, liquid tank are sequentially connected by pipeline and are connect, and basket filter is arranged between stoste slot and raw liquor pump
On pipeline, electromagnetic flowmeter is arranged on the pipeline between raw liquor pump and fiber ball filter;Stoste slot is provided with liquidometer, instead
Flushing water storage tank by piping connection backwash pump, backwash pump by the backwash of piping connection fiber ball filter into
Water valve;Fiber ball filter is provided with pressure difference switch, and pressure difference switch passes through the pressure at stoste inlet valve and filtrate effluent valve two
Table provides pressure difference;Liquid tank is provided with clear liquid storage tank liquidometer.
2. the device of ammonium bicarbonate solution removal of impurities oil removing as described in claim 1, which is characterized in that raw liquor pump is distinguished by pipeline
Stoste slot, fiber ball filter are connected, all the way for providing feed liquid to fiber ball filter, feed liquid is flowed back into stoste by another way
Slot.
3. the device of ammonium bicarbonate solution removal of impurities oil removing as described in claim 1, which is characterized in that when fibre-ball filtration 4 passes in and out
When loine pressure difference reaches setting pressure difference, pressure difference switch sends signal to PLC controller, starts PLC alarm, shows fiber
Ball filter the import and export pipeline hydraulic pressure difference reaches setting value, need to backwash to filtrate.
4. the device of ammonium bicarbonate solution as described in claim 1 removal of impurities oil removing, which is characterized in that fiber ball filter includes:
Filter body and upper cover, upper cover are located at the top of filter body, and filter body is connected with upper cover using bolt;Upper cover
It is provided with positive pressure inlet flange mouth, exhaust flange mouth, pressing device, positive pressure inlet flange mouth is provided with positive pressure intake valve, exhaust
Flange port is provided with exhaust valve, and exhaust flange mouth connects stoste slot by pipeline;Positive pressure intake valve is compressed empty by piping connection
Gas tank;The cylinder of pressing device is connected on lid;Fibrous nodules and pressure plate are housed, pressure plate is located inside fiber ball filter
The top of fibrous nodules;The piston of cylinder interior is connected with telescopic rod, and telescopic rod, which protrudes into inside fiber ball filter, is connected to compression
On plate;Cylinder top passes through piping connection compressed air cylinder;Filter body is provided with upper opening and under shed on side wall,
Filter body bottom is provided with flange in the bottom mouth;Upper opening is provided with stoste inlet valve, backwash drain valve;Raw liquor pump passes through
For piping connection on stoste inlet valve, backwash drain valve produces waste water chute by piping connection;Under shed is provided with recoil
Wash inlet valve, filtrate effluent valve, positive pressure tapping valve, evacuation port hand-operated valve;It backwashes inlet valve and passes through piping connection backwashing water
Pump, filtrate effluent valve are passed through by piping connection liquid tank, positive pressure tapping valve by piping connection stoste slot, evacuation port hand-operated valve
Piping connection produces waste water chute;Stoste inlet valve, backwash drain valve, backwash inlet valve, filtrate effluent valve, positive pressure drain
Valve passes through piping connection compressed air cylinder;Backwash intake valve is provided on flange in the bottom mouth.
5. the device of ammonium bicarbonate solution removal of impurities oil removing as described in claim 1, which is characterized in that filter body is on side wall
It is provided with support rod, revolving sleeve is set on support rod, connecting plate, the end connection of connecting plate are provided on the side wall of revolving sleeve
There is thread bush;The top of cylinder is connected with threaded rod, and threaded rod is provided with turntable;Threaded rod is mounted on thread bush.
6. the device of ammonium bicarbonate solution as described in claim 1 removal of impurities oil removing, which is characterized in that stoste slot, basket filter,
Fiber ball filter, liquid tank are provided with resin category macromolecule ethylene liner on backwashing water storage tank inner wall.
7. the device of ammonium bicarbonate solution as described in claim 1 removal of impurities oil removing, which is characterized in that raw liquor pump, backwash pump,
Positive pressure intake valve, exhaust valve, stoste inlet valve, backwash drain valve, backwash inlet valve, filtrate effluent valve, positive pressure tapping valve,
It backwashes intake valve and PLC controller is connected by conducting wire with the control terminal of pressing device cylinder;Electromagnetic flowmeter, liquidometer,
Pressure difference switch, clear liquid storage tank liquidometer signal output end PLC controller is connected by conducting wire.
8. a kind of method of ammonium bicarbonate solution removal of impurities oil removing, comprising:
Stoste in stoste slot enters fiber ball filter by raw liquor pump, and fiber ball filter removes ammonium bicarbonate soln
Miscellaneous oil removing;
When fiber ball filter internal pressure rises to setting pressure difference, raw liquor pump is closed, fiber ball filter enters recoil
Washing procedure;After completing backwashing procedures, fiber ball filter continues to carry out removal of impurities oil removing to ammonium bicarbonate soln.
9. the method for ammonium bicarbonate solution removal of impurities oil removing as claimed in claim 8, it is characterised in that: the liquid level of stoste slot is by dissolving
Amount determines, starts fiber ball filter after dissolving completely, and after start button issues enabled instruction to PLC controller, equipment enters
PLC controller monitors and controls state automatically;PLC controller issues stoste inlet valve and the filter of instruction unpack fiber ball filter
Liquid outlet valve starts raw liquor pump, and opens exhaust valve after delay, exhaust valve is closed after deflation, and the stoste in stoste slot passes through original
Liquid pump enters fiber ball filter;When fiber ball filter internal pressure rises to setting pressure difference, pressure difference switch is controlled to PLC
Device processed sends signal, closes raw liquor pump, and after late release stoste inlet valve and filtrate effluent valve, it is anti-that fibre-ball filtration enters progress
Cleaning procedure.
10. the method for ammonium bicarbonate solution removal of impurities oil removing as claimed in claim 8, it is characterised in that: the letter of former liquid level of liquid tank meter
Number and the signal of clear liquid storage tank liquidometer enter PLC controller, guarantee under fiber ball filter starting state according to liquid level
The start and stop of the numerical signal monitoring result of meter and liquidometer control raw liquor pump and to the stoste inlet valve of fiber ball filter and
Filtrate effluent valve is controlled;The entry condition of raw liquor pump is that the liquid level count value of stoste slot is greater than low liquid level value, and clear liquid stores up
The liquid level count value of slot is less than high liquid level value;It prescribes a time limit when the level value of stoste slot reaches low liquid level, stops raw liquor pump;When clear liquid stores up
The level value of slot reaches high liquid level and prescribes a time limit, and stops raw liquor pump.
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Cited By (1)
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