CN107201536B - Novel electrolytic bath sludge discharge system and method thereof - Google Patents
Novel electrolytic bath sludge discharge system and method thereof Download PDFInfo
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- CN107201536B CN107201536B CN201710332046.7A CN201710332046A CN107201536B CN 107201536 B CN107201536 B CN 107201536B CN 201710332046 A CN201710332046 A CN 201710332046A CN 107201536 B CN107201536 B CN 107201536B
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Abstract
The invention discloses a novel electrolytic bath sludge discharge system and a method thereof, belonging to the technical field of metallurgy. The novel electrolytic cell sludge discharge system comprises an electrolytic cell body, a sedimentation cone bucket arranged at the bottom of the cell body, an electrolytic cell lower sludge discharge branch pipe connected with the lower end of the sedimentation cone bucket, an electrolytic cell lower sludge discharge main pipe arranged at the lower end of the sludge discharge branch pipe, a flushing fluid valve and an anode sludge collecting tank; a sludge discharge branch pipe valve is arranged at one end, close to a sludge discharge main pipe, of a sludge discharge branch pipe at the lower part of the electrolytic cell, an anode sludge collecting tank is arranged at one end of the sludge discharge main pipe, and a sludge discharge main pipe valve and a flushing fluid valve are sequentially arranged at the other end, far away from the anode sludge collecting tank, of the sludge discharge main pipe; the novel electrolytic bath sludge discharge method of the invention is an intermittent sludge discharge method and a continuous sludge discharge method. The invention discharges anode mud generated in electrolysis out of the electrolytic cell in real time, greatly shortens the backlog time of the anode mud in the electrolytic cell, improves the working efficiency, saves a large amount of capital occupation and saves the cost.
Description
Technical Field
The invention belongs to the technical field of metallurgy, and particularly relates to a novel electrolytic bath sludge discharge system and a method thereof.
Background
At present, in the actual production of electrolytic refining of copper smelting enterprises, 1 anode cycle is 21 days, the anode slime cleaning generally adopts a mode of 1 anode cycle centralized cleaning, and the retention time of the anode slime in an electrolytic cell is very long. Because the anode mud is rich in gold, silver and other precious metals, the gold, silver and other precious metals are seriously accumulated in the electrolytic cell, the occupied mobile capital is large, and the profitability of enterprises is seriously influenced.
The anode mud is the residue accumulated by anode and cathode deposits and electrolyte flowing through the ditches when an electrolysis plant is used for plating gold and silver for a long time, the residue is screened and melted for multiple times to extract certain gold and silver components, and the anode mud is enriched with precious metals, rare metals and other valuable metals. The metals have important positions in national economy, and great economic benefits can be obtained by extracting the metals from the anode mud. For example, the benefits gained from processing copper anode slime are sufficient to cover the entire cost of copper electrorefining.
In the actual copper smelting process, the content and the component difference of anode mud generated by copper electrolysis are large due to large component difference of raw materials, and particularly under the condition that gold fine powder is added into the raw materials, the grade of gold and silver of the electrolytic anode mud is dozens of times or even dozens of times of the grade of gold and silver of the conventional electrolytic anode mud.
The method for cleaning anode slime out of an electrolytic cell from the electrolytic cell which is disclosed mainly comprises the following steps:
1. adopts a manual cleaning mode after power failure
The method is mainly applied to copper and lead metal electrolysis production, and is also used by part of small zinc smelting enterprises, and the operation mode is as follows: after an electrolysis cycle is completed, the cathode and the anode are lifted out of the electrolytic tank, the bottom lead plug is pulled out or the slag valve is opened, water or solution is used for flushing and matching with manual cleaning of the tank, the side surface or the bottom discharge port of the anode slime electrolytic tank is discharged, and the anode slime electrolytic tank is collected and then sent to the next procedure for treatment.
The method has the problems of high labor intensity, poor working environment, high water consumption and the like, and is rarely used.
2. Adopting the manual vacuum cut of the mud pumping pipe embedded at the bottom of the tank
The method is characterized in that the electrolytic cell is reserved as a conical bottom in the structure of the electrolytic cell, a pipeline with large diameter (200-300mm) and a plurality of holes is arranged on the bottom of the electrolytic cell, a vacuum pipeline is inserted into the electrolytic cell along the pipeline in the production process, and anode mud deposited at the bottom of the electrolytic cell is pumped out;
3. by manual vacuum slitting
In the electrolytic production process, after the operation current intensity is reduced, partial cathode and anode plates are removed, a certain operation space is vacated, a channeling device connected with a vacuum tube is inserted into an electrolytic bath from the upper part, channeling is carried out according to the estimated distance, and anode mud is pumped out to an anode mud vacuum liquid receiving tank by a vacuum pipeline in the channeling process and then is sent to other procedures.
In the above known sludge discharge system, manual power or electric power is required for discharge and transportation, the working environment is poor, the cost is high, the labor intensity is high, the automatic operation cannot be realized, and meanwhile, the whole process needs the power-off operation of the electrolytic cell, so that the production efficiency is reduced and the production cost is increased.
In view of the above problems, it is desirable to invent a novel electrolytic cell sludge discharge system and a method thereof.
Disclosure of Invention
The invention aims to overcome the defects of low efficiency, high cost and the like of the existing electrolytic cell sludge discharge system, thereby providing a novel electrolytic cell sludge discharge system, which has the following specific technical scheme:
a novel electrolytic cell sludge discharge system comprises an electrolytic cell body, a sedimentation cone bucket arranged at the bottom of the electrolytic cell body, an electrolytic cell lower sludge discharge branch pipe connected with the lower end of the sedimentation cone bucket, an electrolytic cell lower sludge discharge main pipe arranged at the lower end of the sludge discharge branch pipe, a flushing fluid valve and an anode sludge collecting tank; mud branch pipe valve is installed to the one end that the mud branch pipe is close to row mud house steward in electrolysis trough lower part, the flushing fluid valve is installed to the one end of row mud house steward, row mud house steward keeps away from the other end of flushing fluid valve and installs row mud house steward valve and positive pole mud collecting vat in proper order.
Preferably, the number of the electrolytic cell bodies is not less than 1, and the number of the sedimentation cone buckets at the bottom of the cell body 1 is not less than 1.
Preferably, the angle a between the side of the settling cone and the horizontal is not less than 38 °.
Preferably, the angle B between the mud branch pipe and the horizontal plane is not less than 38 °.
Preferably, the pipeline gradient of the sludge discharge main pipe at the lower part of the electrolytic cell is required to be more than or equal to 2%.
Preferably, the flushing liquid valve is arranged at the highest point of the end of the sludge discharge main pipe from the horizontal plane.
Preferably, the upper end of the sedimentation cone hopper is provided with a glass fiber reinforced plastic grating plate, and the glass fiber reinforced plastic grating plate is provided with at least one layer of stainless steel wire mesh.
Preferably, the stainless steel wire mesh is made of 316L stainless steel materials, and the diameter of the pores of the stainless steel wire mesh is 2.0-10.0 mm.
In order to overcome the defects that the existing electrolytic cell sludge discharge method is complicated and cannot realize the discharge of anode sludge in real time, and the like, the novel electrolytic cell sludge discharge method is provided, and the specific scheme is as follows:
the intermittent sludge discharge method comprises the following steps:
(1) before the electrolysis system runs, closing a sludge discharge main pipe valve and a flushing fluid valve, and opening a sludge discharge branch pipe valve;
(2) when an electrolysis system operates, anode mud generated in real time at the upper part in the electrolytic cell body continuously falls to a sedimentation cone bucket under the action of gravity, then slides down to the mud discharge branch pipe under the cell along the side part of the sedimentation cone bucket and continues to slide down along the branch pipe, and finally enters a mud discharge main pipe after passing through a mud discharge branch pipe valve;
(3) after the electrolysis system operates for a period of time, closing the sludge discharge branch pipe valves, sequentially opening the sludge discharge main pipe valve and the flushing fluid valve, flushing the anode sludge accumulated in the sludge discharge main pipe to the anode sludge collecting tank by utilizing the flushing fluid, and finishing the collection work of the anode sludge;
(4) and after the anode mud in the mud discharging main pipe is washed, closing the mud discharging main pipe valve, after the mud discharging main pipe is filled with liquid, closing the flushing liquid valve, opening the mud discharging branch pipe valve, finishing the whole mud discharging process, and entering the next mud discharging circulation.
Preferably, the continuous sludge discharge method comprises the following steps:
(1) before the electrolysis system runs, a sludge discharge branch pipe valve and a sludge discharge main pipe valve are opened, and a flushing fluid valve is closed;
(2) when the electrolysis system operates, anode mud generated in real time at the upper part in the electrolytic cell body sequentially falls to the sedimentation cone bucket, the mud discharge branch pipe valve, the mud discharge main pipe and the mud discharge main pipe valve under the action of gravity, and finally enters an anode mud collecting tank to finish the collection work of the anode mud; by adjusting the opening degrees of the branch pipe valve and the sludge discharge main pipe valve, most of anode sludge and a small amount of solution are ensured to enter the anode sludge collecting tank, but the fluctuation of the liquid level in the electrolytic tank is not influenced;
(3) after the electrolysis system operates for a period of time, the sludge discharge branch pipe valve and the sludge discharge main pipe valve can be closed periodically, the flushing liquid valve is opened, and the sludge discharge main pipe is flushed, so that the pipeline is prevented from being blocked.
Compared with the existing electrolytic cell sludge discharge system and the method thereof, the invention has the beneficial effects that: 1. the electrolytic cell in the novel electrolytic cell sludge discharge system can discharge anode sludge generated during electrolysis out of the electrolytic cell in real time under the condition of normal operation, namely, electrolyte is not discharged, electrolysis is not influenced, so that time is saved, and the working efficiency is improved; 2. the angle between the side part of the settling cone hopper and the horizontal plane and the angle between the sludge discharge branch pipe and the horizontal plane are not less than 38 degrees, so that the anode sludge can quickly flow down along the surface of the settling cone hopper and the sludge discharge branch pipe, and a large amount of accumulation of the anode sludge in the electrolytic cell is avoided; 3. the pipeline gradient of the sludge discharge main pipe at the lower part of the electrolytic cell is required to be more than or equal to 2 percent, which is beneficial to flushing the anode sludge into the anode sludge collecting tank; 4. the flushing liquid valve is arranged at the highest point of the end part of the sludge discharge main pipe away from the horizontal plane, so that the flushing speed of anode mud in the sludge discharge main pipe is increased, and the backlog of the anode mud in the electrolytic cell is avoided; 5. a layer of glass fiber reinforced plastic grating plate is arranged at the upper part of the settling cone hopper, and can be used for facilitating an operator to enter the electrolytic cell to clean impurities at the bottom of the electrolytic cell during maintenance of the electrolytic cell; 6. the glass fiber reinforced plastic grating plate is provided with at least one layer of stainless steel wire mesh, and the stainless steel wire mesh is used for preventing metal nodules generated in the electrolytic process from falling into a cone hopper and a mud discharging port below the cone hopper to cause lower pipeline blockage; 7. the sludge discharge of the electrolytic cell does not need external force, and the anode sludge is separated from the bottom of the electrolytic cell in real time under the action of the self gravity by utilizing the repose angle principle of the anode sludge in the electrolyte, so that the accumulation time of the anode sludge in the electrolytic cell is greatly shortened; 8. the novel electrolytic cell sludge discharge method adopts an intermittent sludge discharge method and a continuous sludge discharge method respectively, so that the manpower resource is saved, the working efficiency is improved, and the automatic operation is realized.
Drawings
FIG. 1 is a flow chart of the electrolytic cell sludge discharge system of the present invention;
FIG. 2 is a schematic structural view of a sludge discharge system of an electrolytic cell according to the present invention;
FIG. 3 is a side view of FIG. 2 of the present invention;
reference numerals: 1. an electrolytic cell body; 2. a sedimentation cone hopper; 3. a sludge discharge branch pipe at the lower part of the electrolytic bath; 4. a sludge discharge branch pipe valve; 5. a sludge discharge main pipe at the lower part of the electrolytic cell; 6. a sludge discharge main pipe valve; 7. an anode mud collecting tank; 8. a rinse valve; 9. a fiberglass reinforced plastic grid; 10. stainless steel wire mesh.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 2 and 3, the novel copper electrolytic cell sludge discharge system comprises a copper electrolytic cell body 1, a sedimentation cone bucket 2 arranged at the bottom of the cell body 1, an electrolytic cell lower sludge discharge branch pipe 3 connected with the lower end of the sedimentation cone bucket 2, an electrolytic cell lower sludge discharge main pipe 5 arranged at the lower end of the sludge discharge branch pipe 3, a flushing liquid valve 8 and an anode sludge collecting tank 7; a sludge discharge branch pipe valve 4 is installed at one end, close to a sludge discharge main pipe 5, of each sludge discharge branch pipe 3 at the lower part of the electrolytic cell, one sludge discharge branch pipe valve 4 simultaneously controls two sludge discharge branch pipes 3, a flushing liquid valve 8 is installed at one end of the sludge discharge main pipe 5, a sludge discharge main pipe valve 6 and an anode sludge collecting tank 7 are sequentially installed at the other end, far away from the flushing liquid valve 8, of the sludge discharge main pipe 5, each sludge discharge main pipe 5 is simultaneously connected with three sludge discharge branch pipe valves 4, one sludge discharge main pipe valve 6 is installed on each sludge discharge main pipe 5, namely, one sludge discharge main pipe shut valve 6 can simultaneously control six sludge discharge branch pipes 3 or at least control two sludge discharge branch pipes 3; the number of the electrolytic cell bodies 1 is not less than 1, and the number of the sedimentation cone hoppers 2 at the bottom of the electrolytic cell body 1 is not less than 1; the angle A between the side part of the sedimentation cone bucket 2 and the horizontal plane is not less than 38 degrees; the angle B between the sludge discharge branch pipe 3 and the horizontal plane is not less than 38 degrees, so that anode sludge can smoothly flow down along the surface of the sedimentation cone bucket 2 and the sludge discharge branch pipe 3 respectively, and the larger the inclination angle A or B is, the higher the flowing speed of the anode sludge is, the shorter the time for the anode sludge to flow down is, thereby avoiding a large amount of accumulation of the anode sludge in the electrolytic bath; the pipeline gradient of the sludge discharge main pipe 5 at the lower part of the electrolytic cell is required to be more than or equal to 2 percent, which is beneficial to the anode sludge discharged from the cell body 1 to smoothly enter the anode sludge collecting tank 7; the flushing liquid valve 8 is arranged at the highest point of the end part of the sludge discharge main pipe 5 away from the horizontal plane, the flowing speed of the flushing liquid is increased, so that the flushing speed of the anode sludge in the sludge discharge main pipe 5 is increased, and the backlog of the anode sludge in the electrolytic bath is avoided; the upper part of the settling cone bucket 2 is provided with a layer of glass fiber reinforced plastic grating plate 9, so that an operator can conveniently enter the electrolytic cell to clean impurities at the bottom of the electrolytic cell when the electrolytic cell is overhauled, the glass fiber reinforced plastic grating plate 4 is detachable, once the glass fiber reinforced plastic grating plate 4 is damaged, a new electrolytic cell does not need to be replaced, and only the new glass fiber reinforced plastic grating plate needs to be replaced, so that the cost is greatly saved; the glass fiber reinforced plastic grating plate 9 is provided with at least one layer of stainless steel screen 10, the stainless steel screen 10 is used for preventing metal nodules generated in the electrolytic process from falling into a lower cone hopper and a mud discharging port to cause lower pipeline blockage, the stainless steel screen 10 is made of 316L stainless steel, corrosion of electrolyte and the like to the stainless steel screen is reduced by adopting the stainless steel, and the service life of the stainless steel screen is prolonged; the diameter of the pore of the stainless steel wire mesh 5 is 2.0-10.0mm, the stainless steel wire mesh 10 is detachable, the stainless steel wire mesh 10 with the proper pore diameter can be selected according to the size of a metal tumor generated in the electrolysis process, and in addition, once the stainless steel wire mesh 10 is damaged, a new electrolytic cell does not need to be replaced, and only the new stainless steel wire mesh needs to be replaced, so that the cost is greatly saved.
The novel copper electrolytic cell sludge discharge system in the embodiment 1 is adopted to clean and discharge anode sludge in the electrolytic cell, and mainly comprises two sludge discharge methods, respectively: indirect sludge discharge and continuous sludge discharge.
Example 2
As shown in fig. 1, the intermittent sludge discharge method comprises the following steps:
(1) before the electrolysis system runs, closing a sludge discharge main pipe valve 6 and a flushing fluid valve 8, and opening a sludge discharge branch pipe valve 4;
(2) when an electrolysis system operates, anode mud generated in real time at the upper part in the electrolytic cell body 1 continuously falls to the sedimentation cone bucket 2 under the action of gravity, then slides down to the mud discharge branch pipe 3 under the cell along the side part of the sedimentation cone bucket 2 and continues to slide down along the branch pipe 3, and finally enters the mud discharge main pipe 5 after passing through the mud discharge branch pipe valve 4;
(3) after the electrolysis system operates for a period of time, closing the sludge discharge branch pipe valves 4, sequentially opening the sludge discharge main pipe valves 6 and the flushing fluid valves 8, flushing the anode sludge accumulated in the sludge discharge main pipe 5 to the anode sludge collecting tank 7 by utilizing the flushing fluid, and finishing the collection work of the anode sludge;
(4) after the anode mud in the mud discharging main pipe 5 is washed, the mud discharging main pipe valve 6 is closed, after the mud discharging main pipe 5 is filled with liquid, the washing liquid valve 8 is closed, the mud discharging branch pipe valve 4 is opened, the whole mud discharging process is finished, and the next mud discharging circulation is started.
Example 3
As shown in fig. 1, the continuous sludge discharge method comprises the following steps:
(1) before the electrolysis system runs, a sludge discharge branch pipe valve 4 and a sludge discharge main pipe valve 6 are opened, and a flushing fluid valve 8 is closed;
(2) when an electrolysis system operates, anode mud generated in real time at the upper part in an electrolysis bath body 1 sequentially falls into a sedimentation cone bucket 2, a mud discharge branch pipe 3, a mud discharge branch pipe valve 4, a mud discharge main pipe 5 and a mud discharge main pipe valve 6 under the action of gravity, and finally enters an anode mud collection tank 8 to finish the collection work of the anode mud; through the opening degree of adjusting branch pipe valve 4 and mud discharging main pipe valve 6, guarantee that most of anode mud and a small amount of solution enter into anode mud collecting vat 7, but do not influence the fluctuation of the interior liquid level of electrolysis trough.
(3) After the electrolysis system operates for a period of time, the sludge discharge branch pipe valve 4 and the sludge discharge main pipe valve 6 can be closed periodically, the flushing fluid valve 8 is opened, and the sludge discharge main pipe 5 is flushed, so that the pipeline is prevented from being blocked, and the sludge discharge effect is influenced.
The novel electrolytic cell sludge discharge system comprises an electrolytic cell body, a sedimentation cone bucket arranged at the bottom of the electrolytic cell body, a lower electrolytic cell sludge discharge branch pipe connected with the lower end of the sedimentation cone bucket, a lower electrolytic cell sludge discharge main pipe arranged at the lower end of the sludge discharge branch pipe, a flushing fluid valve and an anode sludge collecting tank; a sludge discharge branch pipe valve is arranged at one end, close to a sludge discharge main pipe, of a sludge discharge branch pipe at the lower part of the electrolytic cell, a flushing liquid valve is arranged at one end of the sludge discharge main pipe, and a sludge discharge main pipe valve and an anode sludge collecting tank are sequentially arranged at the other end, far away from the flushing liquid valve, of the sludge discharge main pipe, so that the electrolytic cell can discharge anode sludge generated during electrolysis out of the electrolytic cell in real time under the condition of normal operation, namely, electrolyte is not drained, electrolysis is not influenced, and therefore, time is saved, and working efficiency is improved; the angle between the side part of the settling cone hopper and the horizontal plane and the angle between the sludge discharge branch pipe and the horizontal plane are not less than 38 degrees, so that the anode sludge can quickly flow down along the surface of the settling cone hopper and the sludge discharge branch pipe, the larger the inclination angle is, the higher the flowing speed of the anode sludge is, the shorter the flowing time of the anode sludge is, and the large accumulation of the anode sludge in the electrolytic bath is avoided; the pipeline gradient of the sludge discharge main pipe at the lower part of the electrolytic cell is required to be more than or equal to 2 percent, which is beneficial to flushing the anode sludge into the anode sludge collecting tank; the flushing liquid valve is arranged at the highest point of the end part of the sludge discharge main pipe away from the horizontal plane, the flowing speed of the flushing liquid is increased, and the flushing speed of anode mud in the sludge discharge main pipe is increased, so that the accumulation of the anode mud in the electrolytic bath is avoided; a layer of glass fiber reinforced plastic grating plate is arranged at the upper part of the settling cone hopper, and can be used for facilitating an operator to enter the electrolytic cell to clean impurities at the bottom of the electrolytic cell during maintenance of the electrolytic cell; the glass fiber reinforced plastic grating plate is provided with at least one layer of stainless steel wire mesh, and the stainless steel wire mesh is used for preventing metal nodules generated in the electrolytic process from falling into a cone hopper and a mud discharging port below the cone hopper to cause lower pipeline blockage; the sludge discharge of the electrolytic cell does not need external force, and the anode sludge is separated from the bottom of the electrolytic cell in real time under the action of the self gravity by utilizing the repose angle principle of the anode sludge in the electrolyte, so that the backlog time of the anode sludge in the electrolytic cell is greatly shortened, and a large amount of capital occupation is saved; the novel electrolytic cell sludge discharge method adopts an intermittent sludge discharge method and a continuous sludge discharge method respectively, so that the manpower resource is saved, the working efficiency is improved, and the automatic operation is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel electrolysis trough arranges mud system which characterized in that: the device comprises an electrolytic cell body (1), a sedimentation cone bucket (2) arranged at the bottom of the electrolytic cell body (1), electrolytic cell lower sludge discharge branch pipes (3) connected with the lower ends of the sedimentation cone buckets (2), an electrolytic cell lower sludge discharge main pipe (5) arranged at the lower ends of the sludge discharge branch pipes (3), a flushing fluid valve (8) and an anode sludge collecting tank (7), wherein an angle (B) between each sludge discharge branch pipe (3) and a horizontal plane is 38 degrees; the number of the electrolytic cell bodies (1) is not less than 1, and the number of the sedimentation cone hoppers (2) at the bottom of the electrolytic cell bodies (1) is not less than 1; a sludge discharge branch pipe valve (4) is installed at one end, close to a sludge discharge main pipe (5), of each sludge discharge branch pipe (3) at the lower part of the electrolytic cell, one sludge discharge branch pipe valve (4) controls two sludge discharge branch pipes (3) simultaneously, a flushing liquid valve (8) is installed at one end of the sludge discharge main pipe (5), and a sludge discharge main pipe valve (6) and an anode sludge collecting tank (7) are sequentially installed at the other end, far away from the flushing liquid valve (8), of the sludge discharge main pipe (5); the glass fiber reinforced plastic grating plate (9) is arranged at the upper end of the sedimentation cone hopper (2), at least one layer of stainless steel wire mesh (10) is arranged on the glass fiber reinforced plastic grating plate (9), and the diameter of the hole of the stainless steel wire mesh (10) is 2.0-10.0 mm.
2. The novel electrolytic cell sludge discharge system according to claim 1, wherein: the angle (A) between the side of the sedimentation cone (2) and the horizontal plane is 38 degrees.
3. The novel electrolytic cell sludge discharge system according to claim 1, wherein: the pipeline gradient of the sludge discharge main pipe (5) at the lower part of the electrolytic cell is required to be more than or equal to 2 percent.
4. The novel electrolytic cell sludge discharge system according to claim 1, wherein: and the flushing liquid valve (8) is arranged at the highest point of the end part of the sludge discharge main pipe (5) away from the horizontal plane.
5. The novel electrolytic cell sludge discharge system according to claim 1, wherein: the stainless steel wire mesh (10) is made of 316L stainless steel.
6. The method for using the novel electrolytic cell sludge discharge system of any one of claims 1 to 5, wherein: the intermittent sludge discharge method comprises the following steps:
(1) before the electrolysis system runs, closing a sludge discharge main pipe valve (6) and a flushing fluid valve (8), and opening a sludge discharge branch pipe valve (4);
(2) when an electrolysis system operates, anode mud generated in real time at the upper part in the electrolytic cell body (1) continuously falls to the sedimentation cone bucket (2) under the action of gravity, then slides down to the mud discharging branch pipe (3) at the lower part of the electrolysis cell along the side part of the sedimentation cone bucket (2) and continues to slide down along the branch pipe (3), and finally enters the mud discharging main pipe (5) through the mud discharging branch pipe valve (4);
(3) after the electrolysis system operates for a period of time, closing the sludge discharge branch pipe valves (4), sequentially opening the sludge discharge main pipe valve (6) and the flushing fluid valve (8), flushing anode sludge accumulated in the sludge discharge main pipe (5) to an anode sludge collecting tank (7) by utilizing the flushing fluid, and finishing the collection work of the anode sludge;
(4) after the anode mud in the mud discharging main pipe (5) is washed, the mud discharging main pipe valve (6) is closed, after the mud discharging main pipe (5) is filled with liquid, the flushing liquid valve (8) is closed, the mud discharging branch pipe valve (4) is opened, the whole mud discharging process is finished, and the next mud discharging circulation is started.
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| CN104498992A (en) * | 2014-12-05 | 2015-04-08 | 温州新科先进粉体材料有限公司 | Method for separating and recovering metal compound waste materials |
| CN205182278U (en) * | 2015-12-01 | 2016-04-27 | 江苏博隆环保设备有限公司 | Suction dredge is scraped in peripheral transmission |
| CN205419917U (en) * | 2016-02-02 | 2016-08-03 | 武汉芳笛环保股份有限公司 | Practical row of mud system |
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