CN116356374A - Bismuth element removing equipment and method in lead electrolysis production - Google Patents
Bismuth element removing equipment and method in lead electrolysis production Download PDFInfo
- Publication number
- CN116356374A CN116356374A CN202310321090.3A CN202310321090A CN116356374A CN 116356374 A CN116356374 A CN 116356374A CN 202310321090 A CN202310321090 A CN 202310321090A CN 116356374 A CN116356374 A CN 116356374A
- Authority
- CN
- China
- Prior art keywords
- tank
- washing water
- electrolytic
- washing
- bismuth element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 57
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000004064 recycling Methods 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 238000009853 pyrometallurgy Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/18—Electrolytic production, recovery or refining of metals by electrolysis of solutions of lead
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a device and a method for removing bismuth element in lead electrolysis production, wherein the device for removing bismuth element comprises: an electrolytic tank, a washing tank and a low-level tank; the liquid outlet of the washing tank is communicated with the electrolytic tank, the liquid outlet of the electrolytic tank is communicated with the washing tank, and the liquid in the electrolytic tank and the liquid in the washing tank circularly flow; the low-level tank is communicated with the liquid outlet of the washing tank. The removing equipment provided by the invention has the advantages of simple structure and convenience in operation, and can be used for effectively removing bismuth element in washing water.
Description
Technical Field
The invention relates to the technical field of metal smelting, in particular to equipment and a method for removing bismuth element in lead electrolysis production.
Background
In the electrolytic production process of lead, as bismuth element in raw ore is higher, the bismuth element is enriched in semi-finished crude lead during pyrometallurgy, so that bismuth element in an electrolytic anode plate cast by crude lead is also higher, lead element in the anode plate is enriched on a cathode plate during the electrolytic process of the anode plate, and the lead ingot is cast into lead ingots for sale after being taken out; the impurities in the lead anode form anode mud with adhesive force, the anode mud is taken out and then washed, stirred, filter-pressed and subjected to solid-liquid separation by using water, the formed liquid is washing water, and after the washing water is repeatedly used for a period of time, a large amount of lead ions and silicofluoric acid are contained in the washing water and must be fed into electrolyte for recycling, at the moment, the content of bismuth in the washing water is higher, the bismuth content of the electrolyte is increased after recycling, and finally, the bismuth content of a lead ingot exceeds the standard, and an unqualified lead ingot is produced.
The bismuth content of the crude lead produced by the pyrometallurgy is 0.3-0.6%, the total bismuth content of the lead anode plates is 0.3-0.6%, the bismuth content of anode slime is increased in the lead electrolysis production process, when the anode slime is washed, pulpified, stirred and filter-pressed for solid-liquid separation by using washing water, a part of bismuth element in the anode slime enters washing water, when the washing water is recycled into lead electrolyte, the bismuth element in the washing water is brought into the lead electrolyte, the bismuth element in the lead electrolyte is more than 0.008g/L, the bismuth content of the produced precipitated lead is more than 0.002%, and finally the produced lead ingots are unqualified, so that normal production and customer satisfaction are affected.
Therefore, the research on the equipment and the method for removing the bismuth element in the lead electrolysis production, which are convenient to operate and can remove the bismuth element, is a problem which needs to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a device and a method for removing bismuth in lead electrolysis production, which are convenient to operate and can remove bismuth.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a bismuth element removal device in lead electrolysis production, comprising:
an electrolytic cell is arranged in the electrolytic tank,
the liquid outlet of the water washing tank is communicated with the electrolytic tank, the liquid outlet of the electrolytic tank is communicated with the water washing tank, and the liquid in the electrolytic tank and the liquid in the water washing tank circularly flow;
the low-level tank is communicated with the liquid outlet of the washing tank.
The technical scheme has the beneficial effects that a closed circulation loop is formed between the electrolytic tank and the washing water tank, the washing water can be repeatedly electrolyzed, the washing water is conveyed into the low-level tank for recycling until the content value of bismuth element in the washing water is below 0.03g/L, and the bismuth element in the washing water is removed, so that the phenomenon that the bismuth element content of the electric lead ingot exceeds the standard due to the recycling of the washing water with high bismuth element content is avoided.
Preferably, a plurality of electrolytic tanks are arranged, and the electrolytic tanks are communicated with the washing water tank; a solution pump is arranged between the electrolytic tank and the washing tank. The solution pump is arranged to conveniently convey the water in the water washing tank into the electrolytic tank.
Preferably, a liquid level control valve is arranged at the liquid outlet of the electrolytic tank, and a switch valve is arranged at the liquid inlet.
Preferably, a switch valve is arranged between the low-level tank and the washing water tank. In the electrolysis process, the washing water circularly flows in the washing water tank and the electrolysis tank, and the switch valve can be opened to convey the washing water into the low-level tank for recovery only when the content of bismuth element in the washing water meets the requirement.
A method for removing bismuth element in lead electrolysis production comprises the following steps:
1) Firstly, conveying washing water containing bismuth element more than 0.03g/L in the lead electrolysis process into washing tanks, and conveying the washing water into each electrolysis tank through a solution pump;
2) After the washing water is conveyed to the electrolytic tank, the lead cathode-anode plates with good row spacing are conveyed to the electrolytic tank through an automatic crane;
3) Opening a switch valve of a liquid inlet of the electrolytic tank, and enabling the washing water in the electrolytic tank to flow into the washing water tank through an overflow pipe of the electrolytic tank to form a closed cycle between the washing water tank and the electrolytic tank;
4) After the washing water is electrolyzed, through analysis, when the bismuth element in the washing water is reduced to below 0.03g/L, the switch valves of the washing water tank and the lower tank are opened, and the washing water is recovered.
Preferably, the liquid level of the electrolytic tank in the step 2) is controlled by a liquid level control valve, and the liquid level is 500mm away from the tank top of the electrolytic tank.
Preferably, the content of bismuth element in the washing water in the step 4) is detected after the washing water is electrolyzed for 8-12 hours.
Preferably, after 4-7 days of electrolysis, the anode plate and the cathode plate are taken out for replacement.
Compared with the prior art, the invention discloses the bismuth element removing equipment and the bismuth element removing method in the lead electrolysis production, which have the beneficial effects that:
(1) The invention solves the problems of lead and acid waste and volume expansion caused by the influence of the high bismuth content of crude lead produced by pyrometallurgy on the recycling of anode mud washing water by utilizing a small electrolysis system; meanwhile, the problem of lead ingot disqualification caused by recycling of bismuth-containing high-washing water is solved;
(2) The device has simple operation, short treatment time and low cost, and the treated washing water contains bismuth which completely meets the requirements of lead electrolysis.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a removing apparatus provided by the present invention.
Wherein, in the drawing,
1-an electrolytic cell; 2-a washing tank; 3-a lower tank; 4-solution pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a bismuth element removing device in lead electrolysis production, which comprises:
the electrolytic cell 1 is provided with a plurality of cells,
a liquid outlet of the water washing tank 2 is communicated with the electrolytic tank 1, a liquid outlet of the electrolytic tank 1 is communicated with the water washing tank 2, and liquid in the electrolytic tank 1 and the water washing tank 2 circularly flow;
the low level tank 3, the low level tank 3 is communicated with the liquid outlet of the washing water tank 2. In the invention, a cathode plate and an anode plate are arranged in the electrolytic tank 1, and bismuth element in the washing water is adsorbed on the cathode plate in the electrolytic process by electrifying, so that the bismuth element in the washing water is removed.
In order to further optimize the technical scheme, a plurality of electrolytic tanks 1 are arranged, and the plurality of electrolytic tanks 1 are communicated with a washing water tank 2; a solution pump 4 is arranged between the electrolytic tank 1 and the washing tank 2. The number of the electrolytic tanks 1 is 3, and the electrolytic tanks are respectively connected with the washing water tank 2, and simultaneously electrolyze washing water, thereby improving the efficiency of electrolysis of bismuth element.
In order to further optimize the technical scheme, a liquid level control valve is arranged at the liquid outlet of the electrolytic tank 1, and a switch valve is arranged at the liquid inlet.
In order to further optimize the technical scheme, a switch valve is arranged between the lower tank 3 and the washing water tank 2.
A method for removing bismuth element in lead electrolysis production comprises the following steps:
1) Firstly, conveying washing water containing bismuth more than 0.03g/L in the lead electrolysis process into a washing tank 2, and conveying the washing water into each electrolysis tank 1 through a solution pump 4;
2) After the washing water is conveyed to the electrolytic tank 1, conveying the cathode plate and the anode plate with good row spacing to the electrolytic tank 1 through an automatic crane;
3) Opening a switch valve of a liquid inlet of the electrolytic tank 1, and enabling the washing water in the electrolytic tank 1 to flow into the washing water tank 2 through an overflow pipe of the electrolytic tank 1 to form a closed cycle between the washing water tank 2 and the electrolytic tank 1;
4) After the washing water is electrolyzed, when the bismuth element in the washing water is reduced to below 0.03g/L through analysis, the switch valves of the washing water tank 2 and the lower tank 3 are opened, and the washing water is recovered.
In order to further optimize the technical solution described above, the liquid level of the electrolytic cell 1 in step 2) is controlled by a liquid level control valve, the liquid level being 500mm from the top of the electrolytic cell 1.
In order to further optimize the technical scheme, the content of bismuth element in the washing water is detected after the washing water in the step 4) is electrolyzed for 8-12 hours.
In order to further optimize the technical scheme, after 4-7 days of electrolysis, the anode plate and the cathode plate are taken out for replacement. The replaced cathode plate is directly put back to the anode pot for recasting and recycling, and the anode plate needs to be brushed firstly and then is put back to the anode pot for recasting and recycling.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The bismuth element removing device in the lead electrolysis production is characterized by comprising the following components:
an electrolytic tank (1),
the liquid outlet of the water washing tank (2) is communicated with the electrolytic tank (1), the liquid outlet of the electrolytic tank (1) is communicated with the water washing tank (2), and the liquid in the electrolytic tank (1) and the water washing tank (2) circularly flow;
the low-level tank (3), the liquid outlet of low-level tank (3) and wash water groove (2) are linked together.
2. The bismuth element removing device in the lead electrolysis production according to claim 1, wherein a plurality of electrolytic tanks (1) are provided, and the plurality of electrolytic tanks (1) are communicated with a washing tank (2); a solution pump (4) is arranged between the electrolytic tank (1) and the washing tank (2).
3. The equipment for removing bismuth element in lead electrolysis production according to claim 1 or 2, wherein a liquid level control valve is arranged at the liquid outlet of the electrolytic tank (1), and a switch valve is arranged at the liquid inlet.
4. A device for removing bismuth element in lead electrolysis production according to claim 3, wherein a switch valve is provided between the lower tank (3) and the washing tank (2).
5. A method for removing bismuth element in lead electrolysis production according to claims 1-4, comprising the steps of:
1) Firstly, conveying washing water containing bismuth more than 0.03g/L in the lead electrolysis process into a washing water tank (2), and conveying the washing water into each electrolysis tank (1) through a solution pump (4);
2) After the washing water is conveyed to the electrolytic tank (1), conveying the cathode plate and the anode plate with good row spacing to the electrolytic tank (1) through an automatic crane;
3) Opening a switch valve of a liquid inlet of the electrolytic tank (1), and enabling the washing water in the electrolytic tank (1) to flow into the washing water tank (2) through an overflow pipe of the electrolytic tank (1) to form a closed cycle between the washing water tank (2) and the electrolytic tank (1);
4) After the washing water is electrolyzed, when the bismuth element in the washing water is reduced to below 0.03g/L through analysis, the switch valves of the washing water tank (2) and the lower tank (3) are opened, and the washing water is recovered.
6. The method for removing bismuth element in the electrolytic production of lead according to claim 5, wherein the liquid level of the electrolytic tank (1) in the step 2) is controlled by a liquid level control valve, and the liquid level is 500mm from the tank top of the electrolytic tank (1).
7. The method for removing bismuth element in lead electrolysis production according to claim 5, wherein the content of bismuth element in the washing water in the step 4) is detected after the washing water is electrolyzed for 8-12 hours.
8. The method for removing bismuth element in lead electrolysis production according to claim 5, wherein the anode plate and the cathode plate are taken out for replacement after 4 to 7 days of electrolysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310321090.3A CN116356374A (en) | 2023-03-29 | 2023-03-29 | Bismuth element removing equipment and method in lead electrolysis production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310321090.3A CN116356374A (en) | 2023-03-29 | 2023-03-29 | Bismuth element removing equipment and method in lead electrolysis production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116356374A true CN116356374A (en) | 2023-06-30 |
Family
ID=86918649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310321090.3A Pending CN116356374A (en) | 2023-03-29 | 2023-03-29 | Bismuth element removing equipment and method in lead electrolysis production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116356374A (en) |
-
2023
- 2023-03-29 CN CN202310321090.3A patent/CN116356374A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109161895B (en) | Copper recovery and regeneration system and method for acidic copper chloride etching solution | |
| CN101748430B (en) | Copper recovery system of printed board acid etching waste solution and etching solution regeneration method | |
| CN108546963A (en) | Method for improving purification efficiency of copper electrolyte | |
| CN103243348A (en) | Method and equipment for recovering heavy metal in electroplating wastewater | |
| KR100947254B1 (en) | Cylindrical electrolysis cell reactor | |
| CN102839379A (en) | On-line treatment method of acidic etching solution | |
| CN201614411U (en) | Printed-board acid etching waste liquid regenerating and copper recycling device | |
| JP2015040327A (en) | Electrolytic smelting installation and method of feeding electrolytic solution | |
| CN202519343U (en) | System for recovering copper from waste circuit board | |
| CN106587459A (en) | Online recycling method for electroplating washing wastewater | |
| CN102108531B (en) | Impurity removing method for nickel electroplating solution and impurity removing equipment thereof | |
| CN219239788U (en) | Bismuth element's removal equipment in lead electrolysis production | |
| CN107245580B (en) | A method of cleaning is effectively separated and recovered from copper, tin and iron from spent acidic etching solution | |
| CN103060842A (en) | Method for preparing electrodeposited cobalt under large flow | |
| CN117026350A (en) | Electroplating solution circulating and filtering system and working method thereof | |
| CN116356374A (en) | Bismuth element removing equipment and method in lead electrolysis production | |
| CN101671833A (en) | Method for recovering silver in alloyed scrap containing indium, cadmium and silver | |
| CN106277479A (en) | Integrated retracting device containing metal acid pickle and method | |
| CN102491568A (en) | Method for treating wastewater of electrolytic zinc rinsing technology | |
| CN203474910U (en) | Copper electrolysis system | |
| CN202499908U (en) | Alkaline etching liquid regeneration and copper recovery system | |
| CN101937742A (en) | Method and device for separating and recovering metallic copper and tin in tinplating copper rice | |
| CN111733444A (en) | Stainless steel etching solution cyclic regeneration system and method of ferric trichloride | |
| CN111074301A (en) | Recovery method and recovery system of gold-containing wastewater | |
| CN201785462U (en) | Dedicated copper and tin separation device for separating and recovering metallic copper and metallic tin of tinned copper nodules |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |