CN220057061U - Nickel electrolyte cathode flow regulating device - Google Patents
Nickel electrolyte cathode flow regulating device Download PDFInfo
- Publication number
- CN220057061U CN220057061U CN202321199493.7U CN202321199493U CN220057061U CN 220057061 U CN220057061 U CN 220057061U CN 202321199493 U CN202321199493 U CN 202321199493U CN 220057061 U CN220057061 U CN 220057061U
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- pipe
- regulating
- flowmeter
- adjusting
- control unit
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 57
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 20
- 239000003792 electrolyte Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000010808 liquid waste Substances 0.000 abstract description 3
- 238000005868 electrolysis reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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Abstract
The utility model provides a nickel electrolyte cathode flow regulating device, which comprises a flow regulating unit and a control unit, wherein the flow regulating unit and the control unit are arranged between an electrolyte cathode high-level storage tank and an electrolyte tank cathode chamber; an overhaul pipeline is also connected in parallel to the side of the adjusting pipe group, a manual adjusting valve is arranged on the overhaul pipeline, and the pipe diameter of the overhaul pipeline is larger than the pipe diameter of any adjusting branch pipe in the adjusting pipe group; the liquid inlet pipe is provided with a first flowmeter, the liquid outlet pipe is provided with a second flowmeter, and the first flowmeter and the second flowmeter are both in signal connection with the control unit. The device solves the problems of cathode liquid waste, cost increase and influence on the quality of electrolytic nickel caused by inaccurate control of cathode liquid flow.
Description
Technical Field
The utility model belongs to the field of nickel electrolysis hydrometallurgy, and particularly relates to a nickel electrolysis cathode liquid flow regulating device.
Background
In the nickel wet refining process, catholyte is pumped from a nickel electrolysis clean liquid system to an electrolysis system and stored in an electrolysis catholyte storage tank, then sent to an electrolysis catholyte overhead tank, and then automatically flows to the cathode chamber of the electrolysis tank through a control outlet valve. The traditional catholyte flow control is manual control by personnel, and specifically comprises the following steps: according to the production requirement, observing the flow of the cathode chamber of the electrolytic cell, and manually adjusting an outlet regulating valve of the catholyte high-level tank one by an operator. The manual adjustment mode has the problems of inaccurate flow control and large fluctuation range, and is easy to cause cathode liquid waste and influence the quality of electric nickel products.
Disclosure of Invention
The utility model aims to provide a device for automatically adjusting the flow of nickel electrolysis catholyte, which solves the problems of cathode liquid waste, cost increase and influence on the quality of electrolytic nickel products caused by inaccurate control of the flow of the catholyte.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the flow rate regulating device comprises a flow rate regulating unit and a control unit, wherein the flow rate regulating unit and the control unit are arranged between an electrolytic cathode liquid high-level storage tank and an electrolytic tank cathode chamber, the flow rate regulating unit comprises a liquid inlet pipe, a liquid outlet pipe and a regulating pipe group arranged between the liquid inlet pipe and the liquid outlet pipe, the regulating pipe group comprises a plurality of regulating branch pipes which are arranged in parallel and have different pipe diameters, each regulating branch pipe is provided with an electromagnetic regulating valve, and the electromagnetic regulating valve is in signal connection with the control unit; an overhaul pipeline is also connected in parallel to the side of the adjusting pipe group, a manual adjusting valve is arranged on the overhaul pipeline, and the pipe diameter of the overhaul pipeline is larger than the pipe diameter of any adjusting branch pipe in the adjusting pipe group; the liquid inlet pipe is provided with a first flowmeter, the liquid outlet pipe is provided with a second flowmeter, and the first flowmeter and the second flowmeter are both in signal connection with the control unit.
Compared with the prior art, the utility model has the following beneficial effects:
the electromagnetic regulating valve of the cathode liquid and the detection value of the cathode liquid flow are interlocked, so that the opening of the regulating valve is automatically regulated according to the detection value of the flow, and finally, the cathode liquid flow is stably controlled within the technological requirement range, thereby creating conditions for realizing the fine control of the nickel hydrometallurgical electrolysis process, being beneficial to the improvement of the electrolytic nickel quality in the nickel electrolysis process and the reduction of the cathode liquid cost, reducing the potential collision hazard of personnel when controlling the valve between high-level tank pipelines, greatly reducing the labor intensity of the personnel and improving the field automation level.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, a 1-flow regulating unit, a 101-liquid inlet pipe, a 102-liquid outlet pipe, a 2-control unit, a 3-regulating pipe group, a 301-regulating branch pipe, a 302-electromagnetic regulating valve, a 4-maintenance pipeline, a 401-manual regulating valve, a 5-first flowmeter, a 6-second flowmeter, a 7-first stop valve and an 8-second stop valve are arranged.
Detailed Description
The utility model is further explained below with reference to the drawings.
As shown in fig. 1, a nickel electrolyte cathode flow regulating device comprises a flow regulating unit 1 and a control unit 2, wherein the flow regulating unit 1 and the control unit 2 are arranged between an electrolyte cathode high-level storage tank and an electrolyte bath cathode chamber, the flow regulating unit 1 comprises a liquid inlet pipe 101, a liquid outlet pipe 102 and a regulating pipe group 3 arranged between the liquid inlet pipe 101 and the liquid outlet pipe 102, the regulating pipe group 3 comprises a plurality of regulating branch pipes 301 which are arranged in parallel and have different pipe diameters, each regulating branch pipe 301 is provided with an electromagnetic regulating valve 302, and the electromagnetic regulating valve 302 is in signal connection with the control unit 2; an overhaul pipeline 4 is also connected in parallel to the side of the adjusting pipe group 3, a manual adjusting valve 401 is arranged on the overhaul pipeline 4, and the pipe diameter of the overhaul pipeline 4 is larger than the pipe diameter of any adjusting branch pipe 301 in the adjusting pipe group 3; the liquid inlet pipe 101 is provided with a first flowmeter 5, the liquid outlet pipe 102 is provided with a second flowmeter 3, and the first flowmeter 5 and the second flowmeter 6 are in signal connection with the control unit 2.
In order to facilitate the switching of the adjusting tube group 3 and the maintenance pipeline 4, the front end and the rear end of the adjusting tube group 3 are respectively provided with a first stop valve 7, and are respectively in fluid communication with the liquid inlet tube 101 and the liquid outlet tube 102 through the first stop valves 7. The front end and the rear end of the overhaul pipeline 4 are respectively provided with a second stop valve 8, and are respectively in fluid communication with the liquid inlet pipe 101 and the liquid outlet pipe 102 through the second stop valves 8.
The working process of the utility model is as follows:
in normal use, the control unit 2 collects the display numbers of the first flowmeter 5 and the second flowmeter 6, calculates the difference value of the display numbers of the first flowmeter 5 and the second flowmeter 6, and compares the absolute value of the calculated difference value with the absolute value of the theoretical difference value; if the calculated difference is larger than the theoretical difference, the output flow is too small under the condition that the input flow is unchanged, and an instruction is sent to the adjusting tube group 3 through the control unit 2 to increase the output flow; if the calculated difference is smaller than the theoretical difference, the output flow is overlarge under the condition that the input flow is unchanged, and an instruction is sent to the adjusting tube group 3 through the control unit 2 to reduce the output flow; the specific adjusting process is as follows:
assume that the first flowmeter 5 has a display number of 10m 3 The second flowmeter 6 has a display number of 4 m 3 Theoretical difference of 5m 3 /h; the regulating tube group 3 comprises 6 regulating branch tubes 301 with different diameters, and the rated flow of each regulating branch tube 301 is different and is respectively 0.5 m 3 /h、1 m 3 /h、1.5 m 3 /h、2 m 3 /h、2.5 m 3 /h and 3 m 3 /h (which may vary in practice); at this time, the calculated difference is 6 m 3 With/h greater than 5m 3 And/h, indicating that the output flow is smaller, and regulating the output flow to be larger; the control unit 2 sends out operation instructions to close other regulating branch pipes and open 2 m 3 /h and 3 m 3 The electromagnetic regulating valve 301 on the regulating branch of/h can reach the set requirement, and vice versa.
When the electromagnetic regulating valve on the regulating tube group 3 fails and needs to be replaced, the first cut-off valve 7 at the front and the rear of the regulating tube group 3 is temporarily closed, the second cut-off valves 8 at the front and the rear of the overhaul pipeline 4 are opened, and the opening of the manual regulating valve 401 is manually controlled according to the theoretical indication difference so that the table indication difference is equal to the theoretical indication difference; after the maintenance of the conditioning tube set 3 is completed, the second shut-off valve 8 is closed, the first shut-off valve 7 is opened, and the conditioning tube set 3 is re-activated.
The control unit 2 adopts a DCS control system or a PLC control system to realize automatic control.
The foregoing is only to give the preferred embodiments of the present utility model, and the scope of the present utility model is defined by the claims.
Claims (5)
1. A nickel electrolyte cathode flow regulating device, characterized in that: the device comprises a flow regulating unit (1) and a control unit (2) which are arranged between an electrolytic catholyte high-level storage tank and an electrolytic tank cathode chamber, wherein the flow regulating unit (1) comprises a liquid inlet pipe (101), a liquid outlet pipe (102) and a regulating pipe group (3) arranged between the liquid inlet pipe (101) and the liquid outlet pipe (102), the regulating pipe group (3) comprises a plurality of regulating branch pipes (301) which are arranged in parallel and have different pipe diameters, each regulating branch pipe (301) is provided with an electromagnetic regulating valve (302), and the electromagnetic regulating valve (302) is in signal connection with the control unit (2); the side of the adjusting pipe group (3) is also connected with an overhaul pipeline (4) in parallel, a manual adjusting valve (401) is arranged on the overhaul pipeline (4), and the pipe diameter of the overhaul pipeline (4) is larger than that of any adjusting branch pipe (301) in the adjusting pipe group (3).
2. A nickel electrolyte cathode flow rate regulating device as claimed in claim 1, wherein: the liquid inlet pipe (101) is provided with a first flowmeter (5), the liquid outlet pipe (102) is provided with a second flowmeter (6), and the first flowmeter (5) and the second flowmeter (6) are both in signal connection with the control unit (2).
3. A nickel electrolyte cathode flow rate regulating device as claimed in claim 1, wherein: the front end and the rear end of the adjusting tube group (3) are respectively provided with a first stop valve (7), and the first stop valves (7) are respectively in fluid communication with the liquid inlet tube (101) and the liquid outlet tube (102).
4. A nickel electrolyte cathode flow rate regulating device as claimed in claim 1, wherein: the front end and the rear end of the overhaul pipeline (4) are respectively provided with a second stop valve (8), and the overhaul pipeline is respectively in fluid communication with the liquid inlet pipe (101) and the liquid outlet pipe (102) through the second stop valves (8).
5. A nickel electrolyte cathode flow rate regulating device as claimed in claim 1, wherein: the control unit (2) is a DCS control system or a PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199493.7U CN220057061U (en) | 2023-05-18 | 2023-05-18 | Nickel electrolyte cathode flow regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199493.7U CN220057061U (en) | 2023-05-18 | 2023-05-18 | Nickel electrolyte cathode flow regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220057061U true CN220057061U (en) | 2023-11-21 |
Family
ID=88754274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199493.7U Active CN220057061U (en) | 2023-05-18 | 2023-05-18 | Nickel electrolyte cathode flow regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220057061U (en) |
-
2023
- 2023-05-18 CN CN202321199493.7U patent/CN220057061U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240412 Address after: 737104 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: No.98, Jinchuan Road, Jinchuan District, Jinchang City, Gansu Province 737100 Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |