CN113289516A - Device and method for preparing and adding activated carbon solution - Google Patents
Device and method for preparing and adding activated carbon solution Download PDFInfo
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- CN113289516A CN113289516A CN202110510797.XA CN202110510797A CN113289516A CN 113289516 A CN113289516 A CN 113289516A CN 202110510797 A CN202110510797 A CN 202110510797A CN 113289516 A CN113289516 A CN 113289516A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7544—Discharge mechanisms characterised by the means for discharging the components from the mixer using pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/06—Filtering particles other than ions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/18—Regeneration of process solutions of electrolytes
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Abstract
The invention relates to a device and a method for preparing and adding an active carbon solution. The method comprises the steps of preparation, liquid storage, addition, solution circulation, reflux, waste discharge and the like. The invention can realize the accurate control of the concentration of the activated carbon solution, realize the circular flow of the activated carbon solution, prevent the precipitation and keep the concentration balance; the stability of adding the activated carbon solution and the stability of consumption of the electroplating additive can be ensured; the preparation and the addition of the activated carbon solution can be simultaneously carried out; the uniformity and stability and the yields of lithium electrolytic copper foil can be effectively promoted.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a device and a method for preparing and adding an active carbon solution.
Background
The lithium copper foil is a key conductive material in the lithium ion battery, and along with the development of the lithium ion battery towards high capacity quantification, thinning and the like, the lithium copper foil must also develop towards ultra-thin, high ductility and the like. The stable purification of the electrolyte and the compensation of the consumption of the electroplating additive are important factors influencing the quality of the copper foil, and researches show that the activated carbon has the functions of adsorbing electrolyte impurities and the electroplating additive, so that the activated carbon is introduced into the preparation process of the lithium electrolytic copper foil. At present, a plurality of manufacturers supplement activated carbon by adopting a traditional mode, the supplementing mode is that a certain amount of activated carbon powder is supplemented to a low-level tank every hour, the adding process must be stopped when the activated carbon solution is prepared, the activated carbon supplemented by the method is extremely uneven, the concentration is difficult to measure and control, and the consumption of additives greatly fluctuates.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides an apparatus and a method for preparing and adding an activated carbon solution, which can overcome the above disadvantages in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
an active carbon solution preparing and adding device comprises an active carbon solution preparing tank, wherein a raw material feeding port is arranged at the top of the active carbon solution preparing tank, a discharge port at the bottom of the active carbon solution preparing tank is respectively connected with a sewage discharge system inlet and an active carbon flow pump inlet through pipelines, a first valve is arranged on a pipeline connecting the discharge port at the bottom of the active carbon solution preparing tank and the sewage discharge system inlet, a second valve is arranged on a pipeline connecting the discharge port at the bottom of the active carbon solution preparing tank and the active carbon flow pump inlet, an outlet of the active carbon flow pump is respectively connected with a third valve and a fourth valve through pipelines, the third valve is connected with a circulating port at the top of the active carbon solution preparing tank through a pipeline, the fourth valve is respectively connected with a fifth valve and a sixth valve through pipelines, the fifth valve is connected with a feeding port at the top of a standby active carbon solution storage tank through a pipeline, the six valves are connected with a top feed inlet of the active carbon solution liquid storage tank through pipelines, the standby active carbon solution liquid storage tank and an upper overflow port of the active carbon solution liquid storage tank are connected with a top reflux port of the active carbon solution preparation tank through pipelines, a bottom drain outlet of the standby active carbon solution liquid storage tank is connected with an inlet of the sewage system through a pipeline and a valve seven, the bottom drain outlet of the active carbon solution liquid storage tank is connected with the inlet of the sewage system through a pipeline and a valve nine, a bottom discharge outlet of the active carbon solution liquid storage tank is connected with a feed inlet of a peristaltic pump through a pipeline and a valve ten, a discharge outlet of the peristaltic pump is connected with a feed inlet of a diversion tank through a pipeline, a discharge outlet of the diversion tank is connected with the feed inlet of a low-level tank through a pipeline, a discharge outlet of the low-level tank is connected with the feed inlet of a filtering system through a pipeline, and a discharge outlet of the filtering system is connected with a feed inlet of an electrolysis system through a pipeline, the electrolytic system discharge port is connected with the electrolyte return system feed inlet through a pipeline, and the electrolyte return system discharge port is connected with the diversion tank feed inlet through a pipeline.
Preferably, a stirrer is arranged inside the activated carbon solution preparation tank.
Preferably, reserve activated carbon solution receiver tank bottom discharge gate passes through pipeline and eight and reserve peristaltic pump feed inlets of valve to be connected, reserve peristaltic pump discharge gate passes through the pipeline to be connected with reserve diversion jar feed inlet, reserve diversion jar discharge gate passes through the pipeline to be connected with reserve low level jar feed inlet, reserve low level jar discharge gate passes through the pipeline to be connected with reserve filtration system feed inlet.
A preparation and addition method of an activated carbon solution comprises the following steps:
step 1, preparation: according to the concentration of the activated carbon solution required by the electrolysis system, raw materials such as deionized water, activated carbon powder and the like are added into the activated carbon solution preparation tank from the raw material feed inlet in proportion, and the stirrer is opened in the raw material adding process to uniformly mix the activated carbon solution;
Preferably, when the electrolyte backflow system is started, the electrolyte in the electrolysis system can flow back to the water diversion tank.
Preferably, the residual waste liquid in the activated carbon solution preparation tank, the standby activated carbon solution storage tank and the activated carbon solution storage tank is discharged into the sewage system through the first valve, the seventh valve, the ninth valve and corresponding pipelines respectively.
Preferably, the standby activated carbon solution storage tank or the solution in the activated carbon solution storage tank, which is higher than the overflow port at the upper part, flows back to the activated carbon solution preparation tank through a pipeline.
Preferably, when the standby activated carbon solution storage tank is needed for feeding, the electrolytic system is connected with the discharge port of the standby filtering system through a pipeline, the electrolyte return system is connected between the discharge port of the electrolytic system and the feed port of the standby water diversion tank through a pipeline, so that the solution in the activated carbon solution preparation tank is injected into the standby activated carbon solution storage tank through the second valve, the activated carbon flow pump, the fourth valve, the fifth valve and corresponding pipelines in sequence, the solution in the standby active carbon solution storage tank is injected into the electrolysis system through the standby peristaltic pump, the standby water diversion tank, the standby low-level tank, the standby filtration system and the corresponding pipeline in sequence, the solution in the electrolysis system can flow back to the spare water diversion tank through the electrolyte return system and the corresponding pipeline.
Preferably, in a state where the first valve and the fourth valve are closed, and the second valve, the third valve and the activated carbon flow pump are opened, the activated carbon solution realizes a circulating flow in the activated carbon solution preparation tank and the corresponding pipeline.
Compared with the prior art, the invention has the following beneficial effects: the concentration of the activated carbon solution is accurately controlled by the activated carbon preparation tank; the circulating flow of the solution in the device can be realized by applying various reflux schemes, so that the precipitation is prevented, and the concentration balance is kept; the automatic and uniform adding and filtering system of the peristaltic pump further ensures the stability of adding the activated carbon solution, maintains the cleanliness of the solution and simultaneously enhances the stability of consumption of the electroplating additive in the lithium electrolytic copper foil liquid preparation system; this send out simple and practical, can realize going on when active carbon solution prepares and adds, can effectively promote the even stability and the yields of lithium electricity copper foil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an activated carbon solution preparing and adding device according to an embodiment of the present invention;
in the figure: 1. an activated carbon solution preparation tank; 2. a standby active carbon solution storage tank; 3. an active carbon solution storage tank; 4. a raw material inlet; 5. a stirrer; 6. an activated carbon flow pump; 7. a peristaltic pump; 8. a water diversion tank; 9. a low-level tank; 10. a filtration system; 11. an electrolysis system; 12. an electrolyte return system; 13. a standby peristaltic pump; 14. a spare water diversion tank; 15. a standby low-level tank; 16. a backup filtration system; 17. a blowdown system; 18. a first valve; 19. a second valve; 20. a third valve; 21. a fourth valve; 22. a fifth valve; 23. a sixth valve; 24. a valve seventh; 25. a valve eighth; 26. a ninth valve; 27. and a valve ten.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, the activated carbon solution preparing and adding device according to the embodiment of the present invention includes an activated carbon solution preparing tank 1, a raw material feeding port 4 is disposed at the top of the activated carbon solution preparing tank 1, a bottom discharge port of the activated carbon solution preparing tank 1 is respectively connected to an inlet of a blowdown system 17 and an inlet of an activated carbon flow pump 6 through a pipeline, a first valve 18 is disposed on a pipeline connecting the bottom discharge port of the activated carbon solution preparing tank 1 and the inlet of the blowdown system 17, a second valve 19 is disposed on a pipeline connecting the bottom discharge port of the activated carbon solution preparing tank 1 and the inlet of the activated carbon flow pump 6, an outlet of the activated carbon flow pump 6 is respectively connected to a third valve 20 and a fourth valve 21 through pipelines, the third valve 20 is connected to a top circulation port of the activated carbon solution preparing tank 1 through a pipeline, the fourth valve 21 is respectively connected to a fifth valve 22 and a sixth valve 23 through a pipeline, the five valve 22 is connected with a top feed inlet of a standby activated carbon solution liquid storage tank 2 through a pipeline, the six valve 23 is connected with a top feed inlet of an activated carbon solution liquid storage tank 3 through a pipeline, the standby activated carbon solution liquid storage tank 2 and an upper overflow port of the activated carbon solution liquid storage tank 3 are both connected with a top return port of an activated carbon solution preparation tank 1 through pipelines, a bottom drain outlet of the standby activated carbon solution liquid storage tank 2 is connected with an inlet of a sewage discharge system 17 through a pipeline and a valve seven 24, a bottom drain outlet of the activated carbon solution liquid storage tank 3 is connected with an inlet of the sewage discharge system 17 through a pipeline and a valve nine 26, a bottom discharge outlet of the activated carbon solution liquid storage tank 3 is connected with a feed inlet of a peristaltic pump 7 through a pipeline and a valve ten 27, a discharge outlet of the peristaltic pump 7 is connected with a feed inlet of a water diversion tank 8 through a pipeline, and a discharge outlet of the diversion tank 8 is connected with a feed inlet of a low-level tank 9 through a pipeline, the discharge hole of the low-level tank 9 is connected with the feed hole of the filtering system 10 through a pipeline, the discharge hole of the filtering system 10 is connected with the feed hole of the electrolysis system 11 through a pipeline, the discharge hole of the electrolysis system 11 is connected with the feed hole of the electrolyte return system 12 through a pipeline, and the discharge hole of the electrolyte return system 12 is connected with the feed hole of the water diversion tank 8 through a pipeline; a stirrer 5 is arranged in the activated carbon solution preparation tank 1; 2 bottom discharge mouths of reserve active carbon solution liquid storage pot pass through the pipeline and eight 25 of valve are connected with reserve peristaltic pump 13 feed inlets, reserve peristaltic pump 13 discharge mouths pass through the pipeline and are connected with reserve water diversion jar 14 feed inlets, reserve water diversion jar 14 discharge mouths pass through the pipeline and are connected with reserve low level jar 15 feed inlets, reserve low level jar 15 discharge mouths pass through the pipeline and are connected with reserve filtration system 16 feed inlets.
The preparation and addition method of the activated carbon solution is characterized by comprising the following steps of:
step 1, preparation: according to the concentration of the activated carbon solution required by the electrolysis system 11, raw materials such as deionized water, activated carbon powder and the like are added into the activated carbon solution preparation tank 1 from the raw material feeding port 4 in proportion, and the stirrer 5 is opened in the raw material adding process to uniformly mix the activated carbon solution;
In one embodiment of the present invention, when the electrolyte return system 12 is turned on, the electrolyte in the electrolysis system 11 can be returned to the water diversion tank 8.
In an embodiment of the present invention, the remaining waste liquid in the activated carbon solution preparation tank 1, the spare activated carbon solution storage tank 2, and the activated carbon solution storage tank 3 is discharged into the sewage system 17 through the first valve 18, the seventh valve 24, the ninth valve 26, and corresponding pipelines, respectively.
In a specific embodiment of the present invention, the solution in the standby activated carbon solution storage tank 2 or the activated carbon solution storage tank 3, which is higher than the upper overflow port, flows back to the activated carbon solution preparation tank 1 through a pipeline.
In a specific embodiment of the present invention, when the standby activated carbon solution storage tank 2 is needed to supply materials, the electrolysis system 11 is connected to the discharge port of the standby filtration system 16 through a pipeline, the electrolyte return system 12 is connected between the discharge port of the electrolysis system 11 and the feed port of the standby water diversion tank 14 through a pipeline, so that the solution in the activated carbon solution preparation tank 1 is sequentially injected into the standby activated carbon solution storage tank 2 through the second valve 19, the activated carbon flow pump 6, the fourth valve 21, the fifth valve 22 and a corresponding pipeline, the solution in the standby activated carbon solution storage tank 2 is sequentially injected into the electrolysis system 11 through the standby peristaltic pump 13, the standby water diversion tank 14, the standby low-level tank 15, the standby filtration system 16 and a corresponding pipeline, and the solution in the electrolysis system 11 can flow back to the standby water diversion tank 11 through the electrolyte return system 12 and a corresponding pipeline A water tank 14.
In an embodiment of the present invention, the activated carbon solution circulates in the activated carbon solution preparation tank 1 and the corresponding pipeline in a state that the first valve 18 and the fourth valve 21 are closed, and the second valve 19, the third valve 20 and the activated carbon flow pump 6 are opened.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
In the specific application of the invention, the volume of the activated carbon solution preparation tank 1 can be 500L, the volumes of the standby activated carbon solution storage tank 2 and the activated carbon solution storage tank 3 can be 300L, the pore diameters of the filtering system 10 and the standby filtering system 16 can be 1 μm, the model of the device pipeline can be DN40 PVC, the mesh number of the activated carbon powder can be 200 meshes, and the concentration of the activated carbon in the activated carbon solution can be 5 g/L.
Adding activated carbon powder and deionized water into an activated carbon solution preparation tank 1 from a raw material feeding port 4, opening a stirrer 5 for stirring in the feeding process, adding 2500g of the activated carbon powder in total, adding water into a position 500L on a scale of an activated carbon solution storage tank 3, continuously stirring until the solution concentration is uniform, and preparing 5g/L of the activated carbon solution.
Opening a second valve 19, an active carbon flow pump 6, a fourth valve 21 and a sixth valve 23, and injecting 250L of active carbon solution into the active carbon solution storage tank 3; and closing the valve six 23, opening the valve five 22, and injecting the residual 250L of the solution in the charcoal solution preparation tank 1 into the standby activated carbon solution storage tank 2.
When the activated carbon solution needs to be added into the electrolysis system 11, the peristaltic pump 7 is opened, so that the solution in the activated carbon solution storage tank 3 is injected into the electrolysis system 11 through the valve ten 27, the peristaltic pump 7, the water diversion tank 8, the low-level tank 9 and the filtering system 10 in sequence.
When the standby system is required to be used for adding the activated carbon solution, the electrolysis system 11 is connected to the discharge port of the standby filtering system 16, and the standby peristaltic pump 13 is opened, so that the solution in the active standby carbon solution storage tank 2 is injected into the electrolysis system 11 through the valve eight 25, the standby peristaltic pump 13, the standby water diversion tank 14, the standby low-level tank 15 and the standby filtering system 16 in sequence.
When the activated carbon solution storage tank 3 or the standby activated carbon solution storage tank 2 adds a solution to the electrolysis system 11, the activated carbon solution can be simultaneously prepared in the activated carbon solution preparation tank 1, so that the material supplementing is convenient, and the processing process is shortened.
In summary, by means of the technical scheme of the invention, the concentration of the activated carbon solution can be accurately controlled, the circulating flow of the activated carbon solution can be realized, the precipitation is prevented, and the concentration balance is kept; the stability of adding the activated carbon solution and the stability of consumption of the electroplating additive can be ensured; the preparation and the addition of the activated carbon solution can be simultaneously carried out; the uniformity and stability and the yields of lithium electrolytic copper foil can be effectively promoted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The device for preparing and adding the activated carbon solution is characterized by comprising an activated carbon solution preparation tank (1), wherein a raw material feeding hole (4) is formed in the top of the activated carbon solution preparation tank (1), a bottom discharging hole of the activated carbon solution preparation tank (1) is respectively connected with an inlet of a sewage discharging system (17) and an inlet of an activated carbon flow pump (6) through pipelines, a first valve (18) is arranged on a pipeline connecting the bottom discharging hole of the activated carbon solution preparation tank (1) and the inlet of the sewage discharging system (17), a second valve (19) is arranged on a pipeline connecting the bottom discharging hole of the activated carbon solution preparation tank (1) and the inlet of the activated carbon flow pump (6), an outlet of the activated carbon flow pump (6) is respectively connected with a third valve (20) and a fourth valve (21) through pipelines, and the third valve (20) is connected with a top circulating hole of the activated carbon solution preparation tank (1) through a pipeline, four (21) of valve are connected with five (22) of valve and six (23) of valve respectively through the pipeline, five (22) of valve are connected with reserve active carbon solution liquid storage pot (2) top feed inlet through the pipeline, six (23) of valve are connected with active carbon solution liquid storage pot (3) top feed inlet through the pipeline, reserve active carbon solution liquid storage pot (2) reach active carbon solution liquid storage pot (3) upper portion overflow mouth all through the pipeline with active carbon solution prepares jar (1) top return opening and connects, reserve active carbon solution liquid storage pot (2) bottom drain pass through pipeline and valve seven (24) with sewage disposal system (17) entry linkage, active carbon solution liquid storage pot (3) bottom drain pass through pipeline and valve nine (26) with sewage disposal system (17) entry linkage, active carbon solution liquid storage pot (3) bottom discharge gate passes through pipeline and valve ten (27) and is connected with pump (7) feed inlet The discharge port of the peristaltic pump (7) is connected with the feed inlet of the water diversion tank (8) through a pipeline, the discharge port of the water diversion tank (8) is connected with the feed inlet of the low-position tank (9) through a pipeline, the discharge port of the low-position tank (9) is connected with the feed inlet of the filtering system (10) through a pipeline, the discharge port of the filtering system (10) is connected with the feed inlet of the electrolysis system (11) through a pipeline, the discharge port of the electrolysis system (11) is connected with the feed inlet of the electrolyte reflux system (12) through a pipeline, and the discharge port of the electrolyte reflux system (12) is connected with the feed inlet of the water diversion tank (8) through a pipeline.
2. The activated carbon solution preparing and adding device according to claim 1, wherein a stirrer (5) is arranged inside the activated carbon solution preparing tank (1).
3. The activated carbon solution preparing and adding device according to claim 2, wherein a discharge port at the bottom of the standby activated carbon solution storage tank (2) is connected with a feed port of the standby peristaltic pump (13) through a pipeline and a valve eight (25), a discharge port of the standby peristaltic pump (13) is connected with a feed port of the standby water diversion tank (14) through a pipeline, a discharge port of the standby water diversion tank (14) is connected with a feed port of the standby low-level tank (15) through a pipeline, and a discharge port of the standby low-level tank (15) is connected with a feed port of the standby filtering system (16) through a pipeline.
4. A method of preparing and adding an activated carbon solution using the apparatus of claim 3, comprising the steps of:
step 1, preparation: according to the concentration of the activated carbon solution required by the electrolysis system (11), raw materials such as deionized water, activated carbon powder and the like are added into the activated carbon solution preparation tank (1) from the raw material feeding hole (4) in proportion, and the stirrer (5) is opened in the raw material adding process to uniformly mix the activated carbon solution;
step 2, liquid storage: the activated carbon flow pump (6) is opened, so that the solution in the activated carbon solution preparation tank (1) is injected into the activated carbon solution storage tank (3) through the second valve (19), the activated carbon flow pump (6), the fourth valve (21), the sixth valve (23) and corresponding pipelines in sequence;
step 3, adding: and (3) opening the peristaltic pump (7) to enable the solution in the activated carbon solution liquid storage tank (3) to sequentially pass through the valve ten (27), the peristaltic pump (7), the water diversion tank (8), the low-level tank (9) and the filtering system (10) to be injected into the electrolysis system (11).
5. The method for preparing and adding the activated carbon solution according to claim 4, wherein the electrolyte in the electrolysis system (11) can be returned to the water diversion tank (8) when the electrolyte return system (12) is started.
6. The method for preparing and adding the activated carbon solution as claimed in claim 4, wherein the residual waste liquid in the activated carbon solution preparation tank (1), the spare activated carbon solution storage tank (2) and the activated carbon solution storage tank (3) is discharged into the sewage system (17) through the valve I (18), the valve VII (24), the valve IX (26) and corresponding pipelines.
7. The method for preparing and adding the activated carbon solution as claimed in claim 4, wherein the solution in the standby activated carbon solution storage tank (2) or the activated carbon solution storage tank (3) which is higher than the upper overflow port flows back to the activated carbon solution preparation tank (1) through a pipeline.
8. The active carbon solution preparation and addition method according to claim 4, wherein when the standby active carbon solution storage tank (2) is required for feeding, the electrolysis system (11) is connected to a discharge port of the standby filtration system (16) through a pipeline, the electrolyte backflow system (12) is connected between a discharge port of the electrolysis system (11) and a feed port of the standby water diversion tank (14) through a pipeline, so that the solution in the active carbon solution preparation tank (1) sequentially passes through the second valve (19), the active carbon flow pump (6), the fourth valve (21), the fifth valve (22) and corresponding pipelines to be injected into the standby active carbon solution storage tank (2), and the solution in the standby active carbon solution storage tank (2) sequentially passes through the standby peristaltic pump (13), the standby water diversion tank (14), The standby low-level tank (15), the standby filtering system (16) and the corresponding pipelines are injected into the electrolysis system (11), and the solution in the electrolysis system (11) can flow back to the standby water diversion tank (14) through the electrolyte return system (12) and the corresponding pipelines.
9. The method for preparing and adding the activated carbon solution according to claim 4, wherein the activated carbon solution is circulated in the activated carbon solution preparation tank (1) and the corresponding pipeline in a state that the first valve (18) and the fourth valve (21) are closed, and the second valve (19), the third valve (20) and the activated carbon flow pump (6) are opened.
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| CN202110510797.XA CN113289516A (en) | 2021-05-11 | 2021-05-11 | Device and method for preparing and adding activated carbon solution |
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Application publication date: 20210824 |