CN104213149A - Nickel briquette manufacturing method - Google Patents
Nickel briquette manufacturing method Download PDFInfo
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Abstract
Disclosed is a nickel briquette manufacturing method. According to the method, an electrolysis unit is included, and the electrolysis unit comprises an electrolytic tank, a head tank and a low tank. Positive electrodes and negative plates are arranged in the electrolytic tank, the distance between the positive electrodes and the negative plates is 150 mm to 550 mm. The negative plates are sleeved with diaphragm bags, and electrolytes flow into the diaphragm bags from the head tank, and then flow into the electrolytic tank from the diaphragm bags. An electrolyte draining opening is formed in the bottom of the electrolytic tank, and the electrolytes in the electrolytic tank pass through the electrolyte draining opening and flow into the low tank. The method comprises the following steps that the electrolytes are configured; the electrolytes are added into the electrolysis unit; cathodes and anodes are connected into a circuit; and electrolytic production is carried out. The nickel briquette manufacturing method has the advantages that in the production process; the large deposition current density is allowed; the production efficiency is high, and the production cost is low. A nickel briquette grows in forming tubes of the negative plates, in the production process, the nickel briquette cannot fall off; and the yield rate is high. The service life of the negative plates is long; the manufacturing and repairing cost is low; and the investment is low. The nickel briquette manufactured through the method is easy to demould, high in pass percent, large in size, low in manufacturing cost and more suitable for being popularized.
Description
Technical field
The present invention relates to a kind of nickel cake manufacture method.
Background technology
Electrolytic nickel is the metallic nickel materials using electrolytic process to make, and at present, electrolytic nickel international and domestic market being used as galvanic anode mainly contains sheet nickel, nickel angle and nickel button.The sulfur-bearing nickel of button shape is buckled the feature such as high using its activity, solvability is good and is used at home as current classic electronickelling anode, and its deficiency existed is: large by nickel button negative plate performance impact in production, and production efficiency is low, yield rate is low.Nickel button is grown on cathode plate surface, and little with the vegetative point contact area on cathode plate surface, in production process, current density is little, and growth cycle is long, and efficiency is low; In production, nickel button and matrix are in conjunction with insecure, easily come off in process of growth, and cause the buckle-shaped shape of nickel not of uniform size, yield rate is low, and difficult quality controls.The nickel button that existing method obtains amasss little, and thickness is thin, consumes fast, increase the labour intensity of workman, be not suitable for large scale application in use procedure.
Summary of the invention
The object of the invention is to overcome prior art above shortcomings and the nickel cake manufacture method that a kind of quality of production is stablized, conforming product rate is high is provided.
Technical program of the present invention lies in: comprise an electrolyzer; Described electrolyzer comprises electrolyzer, header tank, Lower tank; Anode, negative plate is provided with in described electrolyzer; Spacing between anode, negative plate is 150-550mm; Negative plate overcoat has diaphragm bag; Electrolytic solution flows to diaphragm bag by header tank, flows into electrolyzer by diaphragm bag; Bottom of electrolytic tank has tap hole; Electrolytic solution in electrolyzer flows into Lower tank through tap hole;
Comprise the following steps:
1) electrolytic solution is configured by following (A) or (B):
(A) configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: single nickel salt: 200-400 g/L, nickelous chloride: 10-15 g/L, boric acid: 30-40 g/L, wetting agent solution: 1-5ml/L, activator solution: 8-12 ml/L; By the pH value of the sulphuric acid soln of 10%-30% or pasty state nickelous carbonate adjustment electrolytic solution to 1.5-4.2; Filter with accurate solution filter, be heated to 40-55 DEG C;
(B) configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: Ni
2+: 80-110g/L, nickelous chloride: 3-10 g/L, boric acid: 30-40 g/L, wetting agent solution: 1-5ml/L, activator solution: 8-12ml/L; The pH value of electrolytic solution is adjusted to 1.5-4.2 with thionamic acid or pasty state nickelous carbonate; Filter with accurate solution filter, be heated to 45-52 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 3-30mm.
3) negative plate is accessed electrolytic circuit negative pole, anode is accessed electrolytic circuit positive pole;
4) production cycle is 3-30 days.First by current density 100-300 A/m in each production cycle
2electrolysis production nickel cake, after 24 hours, by current boost to 200-1000A/m
2, terminate to this production cycle, take out negative plate.In each production cycle, sampling in every 8 hours detects foreign matter content and the S content of electrolytic solution and nickel cake, and control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content in nickel cake maintain 0.015-0.040%.
5), after the production cycle terminates, nickel cake is taken out.
6) weigh, packaging.
Described negative plate comprises the metal substrate that is connected to current conducting rod; Metal substrate two sides is all coated with template; Template is provided with communicating pores; The special-shaped formed pipe for the growth of nickel cake is set with in communicating pores; Communicating pores and metal substrate close contact are stretched in abnormity formed pipe one end; Abnormity formed pipe one end of stretching out outside communicating pores is provided with blocking to prevent special-shaped formed pipe from coming off from communicating pores when getting cake mutually with communicating pores outer face, being convenient to the flange that is separated from special-shaped formed pipe by nickel cake.
Described template comprises reinforcement template, is strengthening the foundation forms between template and metal substrate.
Described foundation forms is sheet glass or ceramic plate; Described reinforcement template is epoxy resin board, Fen Chuo resin board or titanium plate.
Described template is connected through bolt or screw with metal substrate.
The endoporus of described special-shaped formed pipe is circular hole.
One end inwall that described special-shaped formed pipe contacts with metal substrate is provided with the chamfering be convenient to nickel cake and grown.
The angle α at described chamfering place is 0-15 °.
The degree of depth L of described chamfering is less than or equal to the thickness of template.
Described metal substrate is titanium plate or stainless steel plate.
Described anode is metallic nickel, converter mattes.
Described wetting agent solution is be the aqueous solution of 100-200g/L by the concentration that sodium lauryl sulphate salt and distilled water are mixed with.
Described activator solution is for containing=C-SO
2the concentration that the tensio-active agent of-structure and distilled water are mixed with is the aqueous solution of 15-30g/L.
Described containing=C-SO
2the tensio-active agent of-structure is benzene sulfinic acid or soluble saccharin.
Electrolytic solution in described Lower tank injects header tank after removal of impurities also heating.
The invention has the advantages that in production process and can allow larger depositing current density, production efficiency is high, and production cost is low; Nickel cake grows in the formed pipe of negative plate, and can not come off in production process, yield rate is high.Negative plate long service life, manufacture and rehabilitation cost low, invest little.Through the nickel cake manufactured by present method except there is the advantage of nickel button, be easy to the demoulding, qualification rate be high, volume is large, low cost of manufacture, be more suitable for promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrolyzer.
Fig. 2 is the perspective view of nickel cake negative plate.
Fig. 3 is the front view of nickel cake negative plate.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is the A portion enlarged view of Fig. 4.
Fig. 6 is the structural representation of product of the present invention (round platform pie nickel cake).
Fig. 7 is the structural representation of product of the present invention (terrace with edge pie nickel cake).
In figure, 1, metal substrate, 2, template, 3, communicating pores, 4, special-shaped formed pipe, 5, flange, 6, bolt, 7, Active Nickel Containing Sulphur cake, 8, upper bottom surface, 9, bottom surface, 10, header tank, 11, electrolyzer, 12, negative plate, 13, anode, 14, liquid discharging tube, 15, Lower tank, 16, deblending slot.
Embodiment
In Fig. 1, bottom electrolyzer comprises, be provided with the electrolyzer 11 of tap hole, header tank 10, water and Lower tank 15.Negative plate 12, anode 13 is had in electrolyzer 11.Negative plate 12 overcoat in electrolyzer 11 has diaphragm bag; Electrolytic solution flows to diaphragm bag by header tank 10, flows into electrolyzer 11 by diaphragm bag; Tap hole is had bottom electrolyzer 11; Electrolytic solution in electrolyzer 11 flows into Lower tank 15 through liquid discharging tube 14; Electrolytic solution in Lower tank 15 enters deblending slot 16, through method removal of impurities disclosed in Chinese invention patent specification sheets CN101063210B, adjustment and heating after enter header tank 10, realize one individual system circulation.
In Fig. 2, Fig. 3, Fig. 4, using titanium plate as metal substrate 1, titanium plate two is coated with template 2 on the surface, is connected between titanium plate with template 2 with bolt 6, uniform communicating pores 3 in template 2, and communicating pores 3 inner close fitting has the special-shaped formed pipe 4 for the growth of nickel cake.Abnormity formed pipe 4 internal via shape is consistent with communicating pores 3, is circular hole or square hole.Abnormity formed pipe 4 one end is stretched into communicating pores 3 and is pushed up mutually with titanium plate, and the other end of special-shaped formed pipe 4 stretches out outside template 2.Abnormity formed pipe 4 has chamfering near one end inwall of titanium plate.Abnormity formed pipe 4 one end of stretching out outside communicating pores 3 is provided with blocking to prevent special-shaped formed pipe 4 from coming off from communicating pores 3 when getting cake mutually with communicating pores 3 outer face, being convenient to the flange 5 that is separated from special-shaped formed pipe 4 by nickel cake.Titanium plate is connected by web plate with current conducting rod.
Wherein, template 2 comprises reinforcement template, is strengthening the foundation forms between template and metal substrate 1.Foundation forms is sheet glass or ceramic plate; Strengthening template is epoxy resin board, Fen Chuo resin board or titanium plate.
In Fig. 5, special-shaped formed pipe 4 chamfering place angle α is 0-15 °, and the degree of depth L of chamfering is less than or equal to the thickness of template 2.
In Fig. 6, Active Nickel Containing Sulphur cake 7 is in round platform pie structure, and height is 4mm, and upper bottom surface 8 diameter is 20mm, and bottom surface 9 diameter is 24mm.
In Fig. 7, Active Nickel Containing Sulphur cake 7 is in terrace with edge pie structure, and height is 5mm, and the area of upper bottom surface 8 is 225 mm
2, the area of bottom surface 9 is 256 mm
2.
Embodiment one: 1) configuration electrolytic solution: configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: single nickel salt: 280 g/L, nickelous chloride: 10 g/L, boric acid: 35 g/L, wetting agent solution: 3ml/L, activator solution: 10 ml/L; The pH value to 3.5 of the sulphuric acid soln with 20% or pasty state nickelous carbonate adjustment electrolytic solution; Filter with accurate solution filter, be heated to 45-48 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 5mm.
3) take sheet nickel as anode; With Active Nickel Containing Sulphur cake negative plate for negative electrode, anode is accessed electrolytic circuit positive pole, negative plate is accessed electrolytic circuit negative pole; Spacing between negative electrode and positive electrode is 200mm.
4) electrolysis: the production cycle is 5 days.First by current density 200 A/m
2electrolysis production nickel cake, after 24 hours, by current boost to 400A/m
2, terminate to this production cycle, take out negative plate.In each production cycle, sampling in every 8 hours detects foreign matter content and S content (in electrolyzer, on detection lug, the foreign matter content of nickel sheet is identical with nickel cake with S content) of nickel sheet on detection lug in electrolytic solution and electrolyzer, control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content of nickel sheet on detection lug (the S content namely in nickel cake) maintain 0.015-0.040%.
5), after the production cycle terminates, nickel cake is taken out.
6) weigh, packaging.
Embodiment two: 1) configuration electrolytic solution: configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: single nickel salt: 320g/L, nickelous chloride: 10 g/L, boric acid: 35 g/L, wetting agent solution: 3ml/L, activator solution: 10 ml/L; The pH value to 3.0 of the sulphuric acid soln with 20% or pasty state nickelous carbonate adjustment electrolytic solution; Filter with accurate solution filter, be heated to 45-48 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 5mm.
3) take converter mattes as anode; With Active Nickel Containing Sulphur cake negative plate for negative electrode, anode is accessed electrolytic circuit positive pole, negative plate is accessed electrolytic circuit negative pole; Spacing between negative electrode and positive electrode is 200mm.
4) electrolysis: the production cycle is 5 days.First by current density 200 A/m
2electrolysis production nickel cake, after 24 hours, by current boost to 400A/m
2, terminate to this production cycle, take out negative plate.In each production cycle, sampling in every 8 hours detects foreign matter content and the S content of electrolytic solution and nickel cake, and control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content in nickel cake maintain 0.015-0.040%.
5), after the production cycle terminates, nickel cake is taken out.
6) weigh, packaging.
Embodiment three: 1) configuration electrolytic solution: configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: nickel sulfamic acid concentrated solution 500ml/L, nickelous chloride: 8 g/L, boric acid: 35 g/L, wetting agent solution: 3ml/L, activator solution: 10 ml/L; The pH value to 3.5 of the sulphuric acid soln with 20% or pasty state nickelous carbonate adjustment electrolytic solution; Filter with accurate solution filter, be heated to 45-48 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 5mm.
3) take sheet nickel as anode; With Active Nickel Containing Sulphur cake negative plate for negative electrode, anode is accessed electrolytic circuit positive pole, negative plate is accessed electrolytic circuit negative pole; Spacing between negative electrode and positive electrode is 200mm.
4) electrolysis: the production cycle is 5 days.First by current density 200 A/m
2electrolysis production nickel cake, after 24 hours, by current boost to 400A/m
2, terminate to this production cycle, take out negative plate.In each production cycle, sampling in every 8 hours detects foreign matter content and the S content of electrolytic solution and nickel cake, and control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content in nickel cake maintain 0.015-0.040%.
5), after the production cycle terminates, nickel cake is taken out.
6) weigh, packaging.
Embodiment four: 1) configuration electrolytic solution: configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: nickel sulfamic acid concentrated solution 550ml/L, nickelous chloride: 8 g/L, boric acid: 35 g/L, wetting agent solution: 3ml/L, activator solution: 10 ml/L; The pH value to 4.0 of the sulphuric acid soln with 20% or pasty state nickelous carbonate adjustment electrolytic solution; Filter with accurate solution filter, be heated to 50-55 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 5mm.
3) take converter mattes as anode; With Active Nickel Containing Sulphur cake negative plate for negative electrode, anode is accessed electrolytic circuit positive pole, negative plate is accessed electrolytic circuit negative pole; Spacing between negative electrode and positive electrode is 200mm.
4) electrolysis: the production cycle is 5 days.First by current density 300 A/m
2electrolysis production nickel cake, after 24 hours, by current boost to 400A/m
2, terminate to this production cycle, take out negative plate.In each production cycle, sampling in every 8 hours detects foreign matter content and the S content of electrolytic solution and nickel cake, and control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content in nickel cake maintain 0.015-0.040%.
5), after the production cycle terminates, nickel cake is taken out.
6) weigh, packaging.
Claims (10)
1. a nickel cake manufacture method, is characterized in that: comprise an electrolyzer; Described electrolyzer comprises electrolyzer, header tank, Lower tank; Anode, negative plate is provided with in described electrolyzer; Spacing between anode, negative plate is 150-550mm; Negative plate overcoat has diaphragm bag; Electrolytic solution flows to diaphragm bag by header tank, flows into electrolyzer by diaphragm bag; Bottom of electrolytic tank has tap hole; Electrolytic solution in electrolyzer flows into Lower tank through tap hole;
Comprise the following steps:
1) electrolytic solution is configured by following (A) or (B):
(A) configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: single nickel salt: 200-400 g/L, nickelous chloride: 10-15 g/L, boric acid: 30-40 g/L, wetting agent solution: 1-5ml/L, activator solution: 8-12 ml/L; By the pH value of the sulphuric acid soln of 10%-30% or pasty state nickelous carbonate adjustment electrolytic solution to 1.5-4.2; Filter with accurate solution filter, be heated to 40-55 DEG C;
(B) configure electrolytic solution with deionized water, in electrolytic solution, the content of each material is: Ni
2+: 80-110g/L, nickelous chloride: 3-10 g/L, boric acid: 30-40 g/L, wetting agent solution: 1-5ml/L, activator solution: 8-12ml/L; The pH value of electrolytic solution is adjusted to 1.5-4.2 with thionamic acid or pasty state nickelous carbonate; Filter with accurate solution filter, be heated to 45-52 DEG C;
2) electrolytic solution that step 1) configures is added header tank and electrolyzer, the flow of adjustment electrolyzer fluid inlet and liquid outlet, makes the liquid level difference of the liquid level in negative electrode bag and electrolyzer be 3-30mm;
3) negative plate is accessed electrolytic circuit negative pole, anode is accessed electrolytic circuit positive pole;
4) production cycle is 3-30 days;
First by current density 100-300 A/m in each production cycle
2electrolysis production nickel cake, after 24 hours, by current boost to 200-1000A/m
2, terminate to this production cycle, take out negative plate;
In each production cycle, sampling in every 8 hours detects foreign matter content and the S content of electrolytic solution and nickel cake, and control the add-on of wetting agent solution, the surface tension maintaining electrolytic solution is 28-37 mN/m; Control the add-on of activator solution, make the S content in nickel cake maintain 0.015-0.040%;
5), after the production cycle terminates, nickel cake is taken out;
6) weigh, packaging.
2. nickel cake manufacture method according to claim 1, is characterized in that: described negative plate comprises the metal substrate (1) that is connected to current conducting rod; Metal substrate (1) two sides is all coated with template (2); Template (2) is provided with communicating pores (3); The special-shaped formed pipe (4) for the growth of nickel cake is set with in communicating pores (3); Communicating pores (3) and metal substrate (1) close contact are stretched in abnormity formed pipe (4) one end; Abnormity formed pipe (4) stretches out communicating pores (3) one end outward and is provided with and blocks to prevent special-shaped formed pipe (4) from coming off from communicating pores (3) when getting cake mutually with communicating pores (3) outer face, being convenient to the flange (5) that is separated from special-shaped formed pipe (4) by nickel cake.
3. nickel cake manufacture method according to claim 2, is characterized in that: described template (2) comprises reinforcement template, is positioned at the foundation forms strengthened between template and metal substrate (1).
4. nickel cake manufacture method according to claim 2, is characterized in that: described foundation forms is sheet glass or ceramic plate; Described reinforcement template is epoxy resin board, Fen Chuo resin board or titanium plate.
5. nickel cake manufacture method according to claim 2, is characterized in that: one end inwall that described special-shaped formed pipe (4) contacts with metal substrate (1) is provided with the chamfering be convenient to nickel cake and grown.
6. nickel cake manufacture method according to claim 1, is characterized in that: described anode is metallic nickel, converter mattes.
7. nickel cake manufacture method according to claim 1, is characterized in that: described wetting agent solution is be the aqueous solution of 100-200g/L by the concentration that sodium lauryl sulphate salt and distilled water are mixed with.
8. nickel cake manufacture method according to claim 1, is characterized in that: described activator solution is for containing=C-SO
2the concentration that the tensio-active agent of-structure and distilled water are mixed with is the aqueous solution of 15-30g/L.
9. nickel cake manufacture method according to claim 8, is characterized in that: described containing=C-SO
2the tensio-active agent of-structure is benzene sulfinic acid or soluble saccharin.
10. nickel cake manufacture method according to claim 1, is characterized in that: the electrolytic solution in described Lower tank injects header tank after removal of impurities also heating.
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| CN201410316349.6A CN104213149B (en) | 2014-07-04 | 2014-07-04 | Nickel briquette manufacturing method |
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| CN201410316349.6A CN104213149B (en) | 2014-07-04 | 2014-07-04 | Nickel briquette manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110820034A (en) * | 2018-08-08 | 2020-02-21 | 上海睿福有色金属有限公司 | Nickel button production method |
| CN112323096A (en) * | 2020-09-23 | 2021-02-05 | 河北东恩企业管理咨询有限公司 | Preparation method of sulfur-nickel-containing round cake |
| WO2021233300A1 (en) * | 2020-05-18 | 2021-11-25 | 鄂州汉衍新材料有限公司 | Apparatus and method for preparing high-purity iron using consumable anode electrolytic deposition |
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| JP7275629B2 (en) | 2018-05-16 | 2023-05-18 | 住友金属鉱山株式会社 | Method for producing sulfuric acid solution |
| RU2766336C1 (en) * | 2018-05-16 | 2022-03-15 | Сумитомо Метал Майнинг Ко., Лтд. | Method for producing sulfuric acid solution and electrolyser used therein |
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| CN112323096A (en) * | 2020-09-23 | 2021-02-05 | 河北东恩企业管理咨询有限公司 | Preparation method of sulfur-nickel-containing round cake |
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| CN104213149B (en) | 2017-02-15 |
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