CN201158715Y - Electrolytic tank for high-purity metal nickel electrodeposition smelting - Google Patents

Electrolytic tank for high-purity metal nickel electrodeposition smelting Download PDF

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Publication number
CN201158715Y
CN201158715Y CNU2008201015339U CN200820101533U CN201158715Y CN 201158715 Y CN201158715 Y CN 201158715Y CN U2008201015339 U CNU2008201015339 U CN U2008201015339U CN 200820101533 U CN200820101533 U CN 200820101533U CN 201158715 Y CN201158715 Y CN 201158715Y
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CN
China
Prior art keywords
pipe
anode
underflow
bath
cell body
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Expired - Fee Related
Application number
CNU2008201015339U
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Chinese (zh)
Inventor
朱康玲
李桂生
崔源发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd
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Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CNU2008201015339U priority Critical patent/CN201158715Y/en
Application granted granted Critical
Publication of CN201158715Y publication Critical patent/CN201158715Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an electrolysis bath for melting high-purity metal nickel electro-deposition, which comprises a bath body, wherein a bottom plug is arranged on the bottom plate of the bath tank. The electrolysis bath is characterized in that the opening of an intake pipe with an intake valve is arranged on the upper portion of the bath body, anode plates and cathode plates which are arranged in interval are arranged in the bath body, an underflow pipe whose left end is closed is arranged on the bottom portion in the bath body, an anode diaphragm bag is sleeved outside the anode plates, the upper end of a connecting pipe is installed on the bottom the anode diaphragm bag, and the lower end is connected with the underflow pipe, and the left end of the underflow pipe is threaded though outside the bath body to connect with a liquid outlet valve and an underflow outlet pipe in turn. The anode plate is titanium anode plate coated with iridium, and the anode diaphragm bag is blended by polyester fiber and polyamide. The utility model has the advantages that solution on the cathode region of the electrolysis bath has stable pH, and has more stable constituents, which not enables the solution constituents on the cathode region to largely change caused by the leakage of the diaphragm, and the current efficiency is high, finally the economic benefits are significant. The quality of electro-deposed nickel can meet the national standers of special nickel.

Description

Be used for the electrolyzer that high-purity metal nickel electrodeposition is smelted
Technical field
The utility model relates to electrolyzer, especially relates to a kind of electrolyzer that high-purity metal nickel electrodeposition is smelted that is used for.
Background technology
Flourish along with domestic coloured industry, the output of coloured product is soaring year by year, the particularly develop rapidly of Chinese stainless steel industry and production domesticization, and the consumption and the output of domestic nickel sheet metal improve year by year, especially high-purity four or nine metallic nickel electrodeposition sheet materials, but be becoming tight nickel resources day.As nickel electrodeposition, in sulfate system, generally adopt alloy lead anode, this anode forms one deck plumbous oxide (PbO on the surface in electrolytic process 2) anonite membrane.This film is not very fine and close, is dashed by the oxygen of separating out at anode in the electrolytic process easily.Be suspended in the PbO in the electrolytic solution 2Particulate also very easily is attached to the electro deposited nickel surface, is wrapped in electrolytic process in the cathode nickel plate, increases the lead tolerance of metallic nickel, reduces the electro deposited nickel quality.For this reason, nickel electrodeposition technology all adopts membranous form that anode and cathode is separated.Disclosed technology all adopts cathode diaphragm bag, with diaphragm bag negative electrode is wrapped exactly.Large-scale nickel smeltery, each electrolyzer has more than 60 of cathode diaphragm bags, and each diaphragm bag all need be settled a controlled liquid-inlet pipe, to regulate the inlet amount of each diaphragm bag.The total liquid-inlet pipe quantity in full workshop reaches thousands of.Not only increase the operation number, and will realize the control of the flow equalization between each bag in the groove, operation easier is also very big.Therefore, how to solve above-mentioned these problems, reach the special utmost point (nickeliferous 99.96%-99.99%) of metallic nickel quality, cost is minimum, and production efficiency is higher, is to be badly in need of the further problem of discussion.。
Summary of the invention
The purpose of this utility model is to provide that a kind of cathodic area solution PH value stabilization, current efficiency height, product of electrolyzer can reach the special utmost point of metal nickel plate quality, cost is low, production efficiency is higher is used for the electrolyzer that high-purity metal nickel electrodeposition is smelted.
The purpose of this utility model is achieved in that the utility model comprises cell body, on the bottom of cell body, bottom plug is installed, feature is the top that the opening of bringing the liquid-inlet pipe of liquid valve into is located at cell body, the positive plate and the negative plate that are distributed in distance are housed in cell body, the underflow pipe of left end sealing is installed in the intravital bottom of groove, outside positive plate, be with the anode diaphragm bag, the upper end of pipe connecting is installed in the bottom of anode diaphragm bag, the lower end connects underflow pipe, and the right-hand member of underflow pipe stretches out cell body and connects liquid-outlet valve and underflow outlet pipe outward successively.
Positive plate is that titanium is coated with the iridium positive plate.
The anode diaphragm bag is formed by terylene and cotton synthetic fibre blending.
The utility model is with cathode diaphragm bag, electrolytic solution outward with the negative plate of traditional electrolyzer and injects cathode diaphragm bag and overflow weir by the feed liquor arm and be located at the cell body sidewall and redesign, made into: outside titanium is coated with the iridium positive plate, be with the anode diaphragm bag, electrolytic solution directly injects in the cell body by liquid-inlet pipe, the underflow pipe of sealing is installed in the intravital bottom of groove, the bottom of anode diaphragm bag is connected by pipe connecting with underflow pipe, in sulfuric acid system, carry out the electrolysis of nickel like this, have the following advantages:
1, the cathodic area solution PH value stabilization of electrolyzer, solution composition is more stable, makes the cathodic area solution composition not be subject to the diaphragm bag seepage and causes the change significantly of solution composition.
2, current efficiency height.The applicant observes in electrolytic process: when the catholyte pH value was lower than 2.5, the bubble hydrogen that negative plate produces was along with the continuation of pH value reduces and increases rapidly.Therefore, the cathodic area pH value of electrolyzer is stable, is the higher principal element of current efficiency.
3, remarkable in economical benefits.By 1,2 described condition controls, not only total system is stable, simple to operate, labour intensity reduces, and has improved working efficiency, and the current efficiency height, guarantees constant product quality, and the electro deposited nickel quality can satisfy the national standard of spy's nickel.
4, the utility model also is applicable to the smelting of high pure metal cobalt electrodeposition.
Description of drawings
Fig. 1 is the structural representation of the utility model electrolyzer.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail.
A kind of electrolyzer, comprise cell body 3, bottom plug 9 is installed on the bottom of cell body 3, the opening of bringing the liquid-inlet pipe 1 of liquid valve 2 into is located at the top of cell body 3, the positive plate 5 and the negative plate 7 that are distributed in distance are housed in cell body 3, bottom in cell body 3 is equipped with the underflow pipe 8 of left end sealing, outside positive plate 5, be with anode diaphragm bag 4, the upper end of pipe connecting 6 is installed in the bottom of anode diaphragm bag 4, the lower end connects underflow pipe 8, and the right-hand member of underflow pipe 8 stretches out cell body 3 outer liquid-outlet valve 10 and the underflow outlet pipes 11 of connecing successively.
Positive plate 5 is coated with the iridium positive plate for titanium.
Anode diaphragm bag 4 is formed by terylene and cotton synthetic fibre blending.

Claims (3)

1, a kind of electrolyzer that is used for the high-purity metal nickel electrodeposition smelting, comprise cell body (3), bottom plug (9) is installed on the bottom of cell body (3), it is characterized in that: the opening of bringing the liquid-inlet pipe (1) of liquid valve (2) into is located at the top of cell body (3), the positive plate (5) and the negative plate (7) that are distributed in distance are housed in cell body (3), bottom in cell body (3) is equipped with the underflow pipe (8) of left end sealing, outside positive plate (5), be with anode diaphragm bag (4), the upper end of pipe connecting (6) is installed in the bottom of anode diaphragm bag (4), the lower end connects underflow pipe (8), and the right-hand member of underflow pipe (8) stretches out outer liquid-outlet valve (10) and the underflow outlet pipe (11) of connecing successively of cell body (3).
2, electrolyzer as claimed in claim 1 is characterized in that: positive plate (5) is coated with the iridium positive plate for titanium.
3, electrolyzer as claimed in claim 1 is characterized in that: anode diaphragm bag (4) is formed by terylene and cotton synthetic fibre blending.
CNU2008201015339U 2008-02-29 2008-02-29 Electrolytic tank for high-purity metal nickel electrodeposition smelting Expired - Fee Related CN201158715Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201015339U CN201158715Y (en) 2008-02-29 2008-02-29 Electrolytic tank for high-purity metal nickel electrodeposition smelting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201015339U CN201158715Y (en) 2008-02-29 2008-02-29 Electrolytic tank for high-purity metal nickel electrodeposition smelting

Publications (1)

Publication Number Publication Date
CN201158715Y true CN201158715Y (en) 2008-12-03

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CNU2008201015339U Expired - Fee Related CN201158715Y (en) 2008-02-29 2008-02-29 Electrolytic tank for high-purity metal nickel electrodeposition smelting

Country Status (1)

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CN (1) CN201158715Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101982566A (en) * 2010-11-09 2011-03-02 无锡市苏泰金属制品有限公司 Device and method thereof for recovering metallic nickel ions in electroplating wastewater
CN104152947A (en) * 2014-07-14 2014-11-19 红板(江西)有限公司 Suspended electrolyzing device for separating and recovering metals in waste circuit board
CN107557809A (en) * 2017-08-10 2018-01-09 云南龙蕴科技环保股份有限公司 A kind of novel frame type electrolytic cell
CN113106499A (en) * 2021-04-13 2021-07-13 阳谷祥光铜业有限公司 Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101982566A (en) * 2010-11-09 2011-03-02 无锡市苏泰金属制品有限公司 Device and method thereof for recovering metallic nickel ions in electroplating wastewater
CN104152947A (en) * 2014-07-14 2014-11-19 红板(江西)有限公司 Suspended electrolyzing device for separating and recovering metals in waste circuit board
CN107557809A (en) * 2017-08-10 2018-01-09 云南龙蕴科技环保股份有限公司 A kind of novel frame type electrolytic cell
CN113106499A (en) * 2021-04-13 2021-07-13 阳谷祥光铜业有限公司 Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method
CN113106499B (en) * 2021-04-13 2022-09-02 阳谷祥光铜业有限公司 Staggered parallel flow electrolytic cell, electrolytic refining system and electrolytic refining method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081203

Termination date: 20150229

EXPY Termination of patent right or utility model