CN209522885U - The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag - Google Patents

The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag Download PDF

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Publication number
CN209522885U
CN209522885U CN201822209945.0U CN201822209945U CN209522885U CN 209522885 U CN209522885 U CN 209522885U CN 201822209945 U CN201822209945 U CN 201822209945U CN 209522885 U CN209522885 U CN 209522885U
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China
Prior art keywords
slot
nitrogen trifluoride
feed inlet
centrifuge
immersion trough
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Active
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CN201822209945.0U
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Chinese (zh)
Inventor
齐向东
郭鹏
王彬
李文
白鹏
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Nanda Optoelectronics (Zibo) Co.,Ltd.
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Shandong Feiyuan Gas Co Ltd
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Priority to CN201822209945.0U priority Critical patent/CN209522885U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Electrolytic Production Of Metals (AREA)

Abstract

The utility model relates to the devices of the plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag, belong to field of resource recovery technique.The problem of the utility model solves existing electrolysis method and prepares the waste of waste residue existing for Nitrogen trifluoride seriously, bad processing.The utility model includes ammonia immersion trough, and ammonia immersion trough top is provided with feed pipe, ammonia immersion trough by pipeline successively with centrifuge A, fluorine removal slot, centrifuge B, alkalization slot, filter press, acidification slot, centrifuge C, electrolyte temporary tank and electrolytic cell.The utility model mainly applies to the place of waste material nickel recycling in Nitrogen trifluoride production.

Description

The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag
Technical field
The utility model relates to the devices of the plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag, belong to resource reclaim and set Standby technical field.
Background technique
The Nitrogen trifluoride of high-purity is the excellent plasma etch gases of one of microelectronics industry, be semiconductor with Indispensable material in LCD industry manufacturing process.But a large amount of waste residue is produced when preparing Nitrogen trifluoride using electrolysis method, sun Pole nickel plate gradually uses up and generates deposition, forms nickel slag, to increase production cost, and pollutes environment.Temporarily not at present It was found that device of the document report about the nickel metal recycled in nickel slag again electroplating cathode nickel plate, it is necessary to carry out further Probe into and study.
Utility model content
The purpose of the utility model is to overcome existing drawbacks described above when the production of existing Nitrogen trifluoride, propose it is a kind of from The device of plating recycling metallic nickel in Nitrogen trifluoride electrolytic waste slag, simple structure and reasonable design, when can be produced to Nitrogen trifluoride The further purifying nickel of waste residue.
The utility model, which is that the following technical solution is employed, to be realized:
A kind of device of the plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag, it is characterised in that: including ammonia immersion trough, ammonia Immersion trough top is provided with feed pipe, ammonia immersion trough by pipeline successively with centrifuge A, fluorine removal slot, centrifuge B, alkalization slot, filters pressing Machine, acidification slot, centrifuge C, electrolyte temporary tank and electrolytic cell;Calcium oxide solution charging is provided with above the fluorine removal slot Mouthful, it is provided with sodium hydroxide solution feed inlet above the slot that alkalizes, is provided with dilute sulfuric acid feed inlet above acidification slot, electrolyte is temporary It deposits and is provided with electrolyte feed inlet above slot, ammonia immersion trough, alkalization slot, is provided with agitating device inside acidification slot at fluorine removal slot.
Further preferred, the ammonia immersion trough top feed pipe includes waste residue feed inlet, ammonium hydroxide feed inlet.
Further preferred, the anode of the electrolytic cell is stereotype, and cathode is nickel plate.
Further preferred, the filter press is plate and frame filter press.
The beneficial effects of the utility model are:
(1) device of the plating recycling metallic nickel described in the utility model from Nitrogen trifluoride electrolytic waste slag, is soaked using ammonia Slot handles waste material, this method effectively avoids the loss that nickel during iron tramp is precipitated using pH, has saved about 40% Nickel, secondly, using alkalization slot be precipitated nickel hydroxide method, the ammonia in solution can be discharged, facilitate recycling, circulation makes With both economically and environmentally beneficial;
(2) device of the plating recycling metallic nickel described in the utility model from Nitrogen trifluoride electrolytic waste slag, is provided with and removes Fluorine slot effectively removes fluorine ion, avoids secondary pollution, it is often more important that can be converted into the nickel plate of high value, not only improve Economic benefit, and recycle waste residue and be conducive to environmental protection.
Detailed description of the invention
Fig. 1 is the flow chart of the utility model embodiment;
In figure: 1, ammonia immersion trough;2, centrifuge A;3, fluorine removal slot;4, centrifuge B;5, alkalize slot;6, filter press;7, it is acidified Slot;8, centrifuge C;9, electrolyte temporary tank;10, electrolytic cell.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of dress of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag described in the utility model Set, including ammonia immersion trough 1,1 top of ammonia immersion trough is provided with feed pipe, ammonia immersion trough 1 by pipeline successively with centrifuge A2, fluorine removal slot 3, Centrifuge B4, alkalization slot 5, filter press 6, acidification slot 7, centrifuge C8, electrolyte temporary tank 9 and electrolytic cell 10;The fluorine removal Calcium oxide solution feed inlet is provided with above slot 3, the top of alkalization slot 5 is provided with sodium hydroxide solution feed inlet, is acidified on slot 7 Side is provided with dilute sulfuric acid feed inlet and decoppering agent feed inlet, and electrolyte feed inlet, ammonia immersion trough are provided with above electrolyte temporary tank 9 1, fluorine removal slot 3, alkalization slot 5, acidification slot 7 inside be provided with agitating device.The 1 top feed pipe of ammonia immersion trough includes waste residue Feed inlet, ammonium hydroxide feed inlet.The anode of the electrolytic cell 10 is stereotype, and cathode is nickel plate.The filter press 6 is sheet frame pressure Filter.
When work, Nitrogen trifluoride waste residue is poured into ammonia immersion trough 1 by waste residue feed inlet, while suitable ammonium hydroxide heating is added To certain temperature, it is sufficiently stirred and the filtrate of ammonia immersion trough 1 is added to centrifuge A2 by held for some time, opening bottom valve In, filtrate is collected and is sent into fluorine removal slot 3, calcium oxide solution is added, reaction certain time is sufficiently stirred, beats by filtering removal impurity Filtrate is added in centrifuge B4 by valve opening door, removes impurity, and filtrate is collected and is sent into alkalization slot 5, it is molten that sodium hydroxide is added Liquid after reaction is sufficiently stirred, opens bottom valve, filtrate is added in filter press 6 and is filtered, filtered solid is added Enter into acidification slot 7, dilute sulfuric acid is added and is stirred to react, adds the copper that nickel sulfide removes in filtrate and open bottom after the reaction was completed Portion's valve adds it in centrifuge C8, and filtrate is collected and is sent into electrolyte temporary tank 9, bottom valve is opened, by electrolyte It is pressed into electrolytic cell 10, is electroplated, the nickel plate that purity is 99% is obtained.
The utility model mainly applies to the place of waste material nickel recycling in Nitrogen trifluoride production.
Certainly, above content is only the preferred embodiment of the utility model, be should not be construed as limiting practical new to this The scope of embodiments of type.The utility model is also not limited to the example above, and those skilled in the art are in this reality With all the changes and improvements etc. made in novel essential scope, the patent covering scope of the utility model should all be belonged to It is interior.

Claims (4)

1. a kind of device of the plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag, it is characterised in that: including ammonia immersion trough (1), Ammonia immersion trough (1) top is provided with feed pipe, ammonia immersion trough (1) by pipeline successively with centrifuge A (2), fluorine removal slot (3), centrifuge B (4), it alkalizes slot (5), filter press (6), be acidified slot (7), centrifuge C (8), electrolyte temporary tank (9) and electrolytic cell (10);
Calcium oxide solution feed inlet is provided with above the fluorine removal slot (3), it is molten to be provided with sodium hydroxide above alkalization slot (5) Liquid feed inlet, acidification slot (7) top are provided with dilute sulfuric acid feed inlet and decoppering agent feed inlet, set above electrolyte temporary tank (9) It is equipped with electrolyte feed inlet, ammonia immersion trough (1) fluorine removal slot (3), alkalizes slot (5), is provided with agitating device inside acidification slot (7).
2. the device of the plating recycling metallic nickel according to claim 1 from Nitrogen trifluoride electrolytic waste slag, it is characterised in that: Ammonia immersion trough (1) top feed pipe includes waste residue feed inlet, ammonium hydroxide feed inlet.
3. the device of the plating recycling metallic nickel according to claim 1 from Nitrogen trifluoride electrolytic waste slag, it is characterised in that: The anode of the electrolytic cell (10) is stereotype, and cathode is nickel plate.
4. the device of the plating recycling metallic nickel according to claim 1 from Nitrogen trifluoride electrolytic waste slag, it is characterised in that: The filter press (6) is plate and frame filter press.
CN201822209945.0U 2018-12-27 2018-12-27 The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag Active CN209522885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822209945.0U CN209522885U (en) 2018-12-27 2018-12-27 The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822209945.0U CN209522885U (en) 2018-12-27 2018-12-27 The device of plating recycling metallic nickel from Nitrogen trifluoride electrolytic waste slag

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364056A (en) * 2019-12-31 2020-07-03 中船重工(邯郸)派瑞特种气体有限公司 Method and apparatus for treating nickel-containing waste generated in nitrogen trifluoride electrolysis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364056A (en) * 2019-12-31 2020-07-03 中船重工(邯郸)派瑞特种气体有限公司 Method and apparatus for treating nickel-containing waste generated in nitrogen trifluoride electrolysis

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Address after: No.5, No.4 Road, Gaoqing Chemical Industrial Park, Gaocheng Town, Gaoqing County, Zibo City, Shandong Province, 256300

Patentee after: Nanda Optoelectronics (Zibo) Co.,Ltd.

Address before: No.5, No.4 Road, Gaoqing Chemical Industrial Park, Gaocheng Town, Gaoqing County, Zibo City, Shandong Province, 256300

Patentee before: Shandong Feiyuan Gas Co.,Ltd.

CP01 Change in the name or title of a patent holder