CN209652445U - A kind of device controlling electrodeposition solution acidity - Google Patents
A kind of device controlling electrodeposition solution acidity Download PDFInfo
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- CN209652445U CN209652445U CN201822083889.0U CN201822083889U CN209652445U CN 209652445 U CN209652445 U CN 209652445U CN 201822083889 U CN201822083889 U CN 201822083889U CN 209652445 U CN209652445 U CN 209652445U
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- nitrogen
- raffinate
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- tube
- electrodeposition
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- 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
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Abstract
The utility model discloses a kind of devices for controlling electrodeposition solution acidity, including Winning cell, raffinate pipeline, raffinate slot, nitrogen pipeline group and nitrogen storage tank, Winning cell is connected to by raffinate pipeline with raffinate slot, raffinate pipeline also passes through nitrogen pipeline group and is connected to nitrogen storage tank, and nitrogen pipeline group is used to be passed through the chlorine in nitrogen extrusion electrodeposition raffinate to raffinate pipeline；The utility model gives " extruding " the chlorine in raffinate by the method for quick-fried nitrogen, nitrogen amount is filled with by control simultaneously, and then control the content of chlorine in raffinate, further control the acidity in electrodeposition raffinate, meet the requirements the acidity of electrodeposition raffinate, furthermore, the nitrogen being filled with can also quickly take the hydrogen of generation out of, simultaneously, due to being filled with for nitrogen, the gas volume in system increases, and can play the role of to the density of hydrogen of generation diluted, to make the hydrogen ion concentration of " hydrogen is quick-fried " reduce, the risk of generation " hydrogen is quick-fried " is further decreased.
Description
Technical field
The utility model belongs to the control technology field of electrodeposition solution acidity, and in particular to a kind of control electrodeposition solution acidity
Device.
Background technique
In electrodeposited cobalt production process, the Acidity Range of electrodeposition solution is required it is very stringent, usually require that acidity 0.03~
0.07mol/L, when acidity is lower than 0.03mol/L, cobalt ions is easy hydrolysis, and forms " earth of positive pole ", and the earth of positive pole is liable to stick to
On cathode plate, that is, cobalt plate, causes cobalt plate long " tumor ", " layering of flaking ", is a bit darkish in color, the influence such as content decline, and it is sour
If degree is high, cobalt plate compactness is good, surface-brightening.
But acidity is when being higher than 0.07mol/L, during electrodeposited cobalt, hydrogen ion in solution also simultaneously electrodeposition and
Hydrogen is generated, when hydrogen reaches " explosion " minimum concentration in pipeline, " hydrogen is quick-fried " can be generated, gently then solution line is burst, is weighed then
Solution storage trough, electrolytic cell are burst.
In addition, anode generates chlorine and is dissolved in electrodeposition raffinate, if chlorine is not in time from raffinate during electrodeposited cobalt
Middle disengaging can then react as follows with the generation of the water in raffinate and generate hydrogen ion, increase the probability of " hydrogen is quick-fried ".
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide a kind of control electrodeposition solution acidities
Device.
The utility model embodiment provides a kind of device for controlling electrodeposition solution acidity, including Winning cell, raffinate pipeline, residual
Liquid bath, nitrogen pipeline group and nitrogen storage tank, the Winning cell are connected to by raffinate pipeline with raffinate slot, and the raffinate pipeline is also logical
It crosses nitrogen pipeline group to be connected to nitrogen storage tank, the nitrogen pipeline group is used to be passed through nitrogen to raffinate pipeline and squeeze out in electrodeposition raffinate
Chlorine.
It further include inlet tube in above scheme, the side of the raffinate pipeline is arranged in for being connected to electricity in the inlet tube
Product slot and raffinate pipeline.
In above scheme, the raffinate slot is additionally provided with chlorine absorption unit.
In above scheme, the side wall of the raffinate pipeline with multiple nitrogen air inlets are set.
In above scheme, the nitrogen pipeline group includes interior nitrogen tube and outer nitrogen tube, the interior nitrogen tube and outer nitrogen
Guan Jun is arranged along the axial direction of raffinate pipeline, and the interior nitrogen tube and outer nitrogen tube are separately positioned on inside and outside the two of raffinate pipeline
Side, the interior nitrogen tube and outer nitrogen tube are connected to nitrogen storage tank.
In above scheme, the side wall of the interior nitrogen tube with multiple nitrogen ventholes are set.
In above scheme, the diameter of the nitrogen air inlet and nitrogen venthole is 1mm.
Compared with prior art, the utility model is filled with nitrogen in by the electrodeposition raffinate of electrodeposition by nitrogen pipeline group
Gas gives " extruding " the chlorine in raffinate by the method for quick-fried nitrogen, while being filled with nitrogen amount by control, and then control residual
The content of chlorine in liquid further controls the acidity in electrodeposition raffinate, meets the requirements the acidity of electrodeposition raffinate, in addition, being filled with
Nitrogen the hydrogen of generation can also be quickly taken out of, simultaneously as nitrogen is filled with, the gas volume in system increases, energy
It is enough to play the role of to the density of hydrogen of generation diluted, so that making the hydrogen ion concentration of " hydrogen is quick-fried " reduces, further decrease generation
The risk of " hydrogen is quick-fried ".
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of device for controlling electrodeposition solution acidity provided by the embodiment of the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is a kind of work flow diagram of device for controlling electrodeposition solution acidity provided by the embodiment of the utility model.
Appended drawing reference is as follows:
1 --- --- --- nitrogen air inlet, 3 --- raffinate slot, 4 --- nitrogen pipeline of raffinate pipeline, 21 of Winning cell, 2
Group, 41 --- interior nitrogen tube, 411 --- nitrogen venthole, 42 --- outer nitrogen tube, 5 --- nitrogen storage tank, 6 --- inlet tube,
7 --- chlorine absorption unit.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments with it is attached
Figure, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of device for controlling electrodeposition solution acidity, with reference to Fig. 1-3, including Winning cell 1,
Raffinate pipeline 2, raffinate slot 3, nitrogen pipeline group 4 and nitrogen storage tank 5, Winning cell 1 is connected to by raffinate pipeline 2 with raffinate slot 3, residual
Liquid pipe road 2 is also connected to by nitrogen pipeline group 4 with nitrogen storage tank 5, and nitrogen pipeline group 4 is used to be passed through nitrogen to raffinate pipeline 2 and squeeze
Chlorine in electrodeposition raffinate out.
It further include inlet tube 6, the side of the raffinate pipeline 2 is arranged in for being connected to Winning cell 1 and raffinate pipe in inlet tube 6
Road 2.
Nitrogen pipeline group 4 includes interior nitrogen tube 41 and outer nitrogen tube 42, and interior nitrogen tube 41 and outer nitrogen tube 42 are along raffinate
The axial setting of pipeline 2, and interior nitrogen tube 41 and outer nitrogen tube 42 are separately positioned on inside and outside raffinate pipeline 2, interior nitrogen
Tracheae 41 and outer nitrogen tube 42 are connected to nitrogen storage tank 5.
The side wall of interior nitrogen tube 41 with multiple nitrogen ventholes 411, every square of the pipe surface of interior nitrogen tube 41 are set
3~4 nitrogen ventholes 411 are opened up on centimetre.
The diameter of nitrogen venthole 411 is 1mm.
The side wall of raffinate pipeline 2 with multiple nitrogen air inlets 21 are set, the pipe surface of raffinate pipeline 2 is every square centimeter
On open up 3~4 nitrogen air inlets 21.
The diameter of nitrogen air inlet 21 is 1mm.
Nitrogen in nitrogen air accumulator 5 can be along interior nitrogen tube 41 and outer nitrogen tube 42, inside and outside raffinate pipeline 2
It is passed through raffinate pipeline 2, makes the electrodeposition raffinate " boiling " in raffinate pipeline 2 to which the chlorine in electrodeposition raffinate is extruded.
Raffinate slot 3 is additionally provided with chlorine absorption unit 7.
The chlorine of extrusion is discharged using negative pressure device for chlorine absorption unit 7.
During electrodeposited cobalt, anode generates chlorine and is dissolved in electrodeposition raffinate, if chlorine is not in time from electrodeposition
It is detached from raffinate, then can be reacted as follows with the generation of the water in electrodeposition raffinate and generates hydrogen ion, increase the probability of " hydrogen is quick-fried ", because
This, the chlorine of generation will be detached from from raffinate in time, but the chlorine in electrodeposition raffinate cannot be made to completely disengage again, electrodeposition raffinate
In chlorine be all detached from, there is no chlorine in solution, and no longer generate acid, will lead to the decline of electrodeposition liquid acidity.
The utility model is filled with nitrogen in by the electrodeposition raffinate of electrodeposition by nitrogen pipeline group, passes through the side of quick-fried nitrogen
Method gives " extruding " the chlorine in raffinate, while being filled with nitrogen amount by control, and then control the content of chlorine in raffinate, into
One step controls the acidity in electrodeposition raffinate, meets the requirements the acidity of electrodeposition raffinate, in addition, the nitrogen being filled with can also be generation
Hydrogen quickly take out of, simultaneously as nitrogen is filled with, the gas volume in system increases, can be to the density of hydrogen of generation
Play the role of diluted, so that the hydrogen ion concentration of " hydrogen is quick-fried " be made to be reduced to 0.15mol/L, further decreases generation " hydrogen is quick-fried "
Risk.
The utility model embodiment provides a kind of course of work of device for controlling electrodeposition solution acidity are as follows: along nitrogen pipeline
Group 4 is passed through nitrogen to the raffinate pipeline 2；Control the content of chloride ion in the intake control electrodeposition raffinate of nitrogen；According to institute
The content for stating chloride ion controls the acidity of electrodeposition raffinate described in the raffinate pipeline 2 and raffinate slot 3.
Specifically: the nitrogen of interior nitrogen tube 41 and outer nitrogen tube 42 is respectively along the nitrogen venthole 411 and nitrogen of pipe surface
The quick-fried nitrogen in the electrodeposition raffinate into raffinate pipeline 2 of gas air inlet 21, makes electrodeposition raffinate " boiling ", thus in electrodeposition raffinate
Chlorine is extruded, and the chlorine of extrusion enters in raffinate slot 3 along raffinate pipeline 2, is additionally provided with chlorine absorption finally by raffinate slot 3
Unit negative pressure absorbing.
The intake for controlling nitrogen is 10~30m3/ h, to control the content of chloride ion in electrodeposition raffinate, to control residual
The acidity of electrodeposition raffinate described in liquid pipe road 2 and raffinate slot 3 is 0.03~0.07mol/L.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (8)
1. a kind of device for controlling electrodeposition solution acidity, which is characterized in that including Winning cell, raffinate pipeline, raffinate slot, nitrogen tube
Road group and nitrogen storage tank, the Winning cell are connected to by raffinate pipeline with raffinate slot, and the raffinate pipeline also passes through nitrogen pipeline
Group is connected to nitrogen storage tank, and the nitrogen pipeline group is used to be passed through the chlorine in nitrogen extrusion electrodeposition raffinate to raffinate pipeline.
2. a kind of device for controlling electrodeposition solution acidity according to claim 1, which is characterized in that it further include inlet tube,
The side of the raffinate pipeline is arranged in for being connected to Winning cell and raffinate pipeline in the inlet tube.
3. a kind of device for controlling electrodeposition solution acidity according to claim 2, which is characterized in that the raffinate slot is also set
It is equipped with chlorine absorption unit.
4. a kind of device for controlling electrodeposition solution acidity according to claim 3, which is characterized in that the raffinate pipeline
Side wall with multiple nitrogen air inlets are set.
5. a kind of device for controlling electrodeposition solution acidity according to claim 4, which is characterized in that the nitrogen air inlet
Diameter be 1mm.
6. a kind of device for controlling electrodeposition solution acidity according to claim 5, which is characterized in that the nitrogen pipeline group
Including interior nitrogen tube and outer nitrogen tube, the interior nitrogen tube and outer nitrogen tube are arranged along the axial direction of raffinate pipeline, and described
Interior nitrogen tube and outer nitrogen tube are separately positioned on inside and outside raffinate pipeline, and the interior nitrogen tube and outer nitrogen tube are and nitrogen
Storage tank connection.
7. a kind of device for controlling electrodeposition solution acidity according to claim 6, which is characterized in that the interior nitrogen tube
Side wall with multiple nitrogen ventholes are set.
8. a kind of device for controlling electrodeposition solution acidity according to claim 7, which is characterized in that the nitrogen air inlet
Diameter with nitrogen venthole is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083889.0U CN209652445U (en) | 2018-12-12 | 2018-12-12 | A kind of device controlling electrodeposition solution acidity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083889.0U CN209652445U (en) | 2018-12-12 | 2018-12-12 | A kind of device controlling electrodeposition solution acidity |
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| Publication Number | Publication Date |
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| CN209652445U true CN209652445U (en) | 2019-11-19 |
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| CN201822083889.0U Active CN209652445U (en) | 2018-12-12 | 2018-12-12 | A kind of device controlling electrodeposition solution acidity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657448A (en) * | 2020-12-17 | 2021-04-16 | 湖北朗昕生化药业有限公司 | Sodium triacetoxyborohydride production device |
-
2018
- 2018-12-12 CN CN201822083889.0U patent/CN209652445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657448A (en) * | 2020-12-17 | 2021-04-16 | 湖北朗昕生化药业有限公司 | Sodium triacetoxyborohydride production device |
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