CN203569203U - Automatic control device in nickel electrolysis purification and iron removal process - Google Patents
Automatic control device in nickel electrolysis purification and iron removal process Download PDFInfo
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- CN203569203U CN203569203U CN201320623095.3U CN201320623095U CN203569203U CN 203569203 U CN203569203 U CN 203569203U CN 201320623095 U CN201320623095 U CN 201320623095U CN 203569203 U CN203569203 U CN 203569203U
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- control device
- nickelous carbonate
- temperature
- nickel carbonate
- nickel
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Abstract
The utility model discloses an automatic control device in a nickel electrolysis purification and iron removal process. A nickel carbonate flow adjustment device is arranged on a nickel carbonate liquid inlet pipeline; a purification liquid flowmeter is arranged on a purification liquid inlet pipeline; the nickel carbonate liquid inlet pipeline and the purification liquid inlet pipeline are connected with a reaction device; a pH (power of hydrogen) control device and a temperature control device are arranged on the reaction device; and the nickel carbonate flow adjustment device, the purification liquid flowmeter, the pH control device and the temperature control device are connected with a PID (proportion integration differentiation) controller. According to the automatic control device, the nickel carbonate flow adjustment device adjusts the addition amount of nickel carbonate according to a flow ratio relation preset by the PID controller, the pH control device further adjusts a flow of nickel carbonate, and the PID controller sends a command to control the temperature control device, so that pH and temperature can be controlled stably, full automatic control of the nickel electrolysis purification and iron removal process can be achieved, and a stable and easy-to-filter iron precipitation crystal form can be obtained.
Description
Technical field
The utility model relates to a kind of automatic control device, is specifically related to a kind of nickel electrowinning iron purification automatic process control system device.
Background technology
Nickel electrowinning iron purification process is: by adding nickelous carbonate that nickel electrowinning scavenging solution is remained within the scope of certain pH value, and under certain temperature condition, the reaction of iron generation hydrolytic precipitation, thus reach the object that iron is removed.Iron removal major control factor is pH value and the temperature of reaction, pH value in reaction is by adding nickelous carbonate to regulate, temperature of reaction is to realize by steam regulation amount, and the pH of iron removal and temperature control are the flows by experience manual regulation reaction solution in producing at present, the fluctuating range regulating is larger, this has caused iron level after anolyte deironing to deflect away from the generation often of span of control phenomenon, the iron precipitation producing is unstable, often generate the gelatinous precipitate that is difficult for filtration, the less stable of therefore producing, on postorder, operation has produced certain impact.
Utility model content
The purpose of this utility model is for a kind of nickel electrowinning iron purification automatic process control system device is provided, the technical problem of the less stable that the fluctuating range regulating when solving current nickel electrowinning iron purification procedure regulation pH value and temperature is large, produce.
In order to achieve the above object, the utility model is by the following technical solutions: a kind of nickel electrowinning iron purification automatic process control system device, in nickelous carbonate input duct, be provided with nickelous carbonate flow regulation device, in scavenging solution input duct, be provided with scavenging solution under meter, described nickelous carbonate input duct is connected with reaction unit respectively with scavenging solution input duct, described reaction unit is provided with pH control device and temperature-control device, and described nickelous carbonate flow regulation device, scavenging solution under meter, pH control device and temperature-control device are connected with PID controller respectively.
As further improvement of the utility model, described nickelous carbonate flow regulation device comprises interconnective nickelous carbonate under meter and nickelous carbonate flow control valve.
As further improvement of the utility model, described temperature-control device is connected with steam flow control valve.
The relative prior art of the utility model has following beneficial effect: the flow proportional relation that the utility model is default according to PID controller, by nickelous carbonate flow regulation device, the add-on of nickelous carbonate is regulated, and by pH control device, the flow of nickelous carbonate is further regulated, meanwhile, PID controller sends instruction control temperature-control device.PH and temperature can obtain stable control, can realize the Automatic Control of nickel electrowinning iron purification process, can obtain the stable iron that is easy to filter and precipitate crystal formation.The utility model production stability is good, is easy to control, and has reduced the waste of resource in nickel electrowinning iron purification process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral implication is as follows: 1, nickelous carbonate under meter; 2, nickelous carbonate flow control valve; 3, evolution flow quantity meter; 4, pH control device; 5, temperature-control device; 6, steam flow control valve; 7, PID controller; 8, nickelous carbonate flow regulation device; 9, reaction unit; 10, nickelous carbonate input duct; 11, scavenging solution input duct.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of nickel electrowinning iron purification automatic process control system device, in nickelous carbonate input duct 10, be provided with nickelous carbonate flow regulation device 8, nickelous carbonate flow regulation device 8 comprises interconnective nickelous carbonate under meter 1 and nickelous carbonate flow control valve 2, in scavenging solution input duct 11, be provided with scavenging solution under meter 3, nickelous carbonate input duct 10 is connected with reaction unit 9 respectively with scavenging solution input duct 11, reaction unit 9 is provided with pH control device 4 and temperature-control device 5, temperature-control device 5 is connected with steam flow control valve 6, nickelous carbonate flow regulation device 8, scavenging solution under meter 3, pH control device 4 and temperature-control device 5 be connected with PID controller 7 respectively (proportional-integral derivative controller).
In iron removal, the flow of nickel electrowinning scavenging solution detects by scavenging solution under meter 3, the nickelous carbonate amount adding detects by nickelous carbonate under meter 1, according to flow proportional relation default in PID controller 7, by nickelous carbonate flow control valve 2, the add-on of nickelous carbonate is regulated, by pH control device 4 according to the pH control method of Large-lag System, signal feedback is further regulated the flow of nickelous carbonate in PID controller 7 and by PID controller 7, system pH is remained between 3.5～4.0, reaction solution passes through steam heating, the temperature of reaction process is detected and is controlled by temperature-control device 5, by steam flow control valve 6 steam regulation flows, keep the temperature of reaction between 65～75 ℃.
Claims (3)
1. a nickel electrowinning iron purification automatic process control system device, it is characterized in that: in nickelous carbonate input duct (10), be provided with nickelous carbonate flow regulation device (8), in scavenging solution input duct (11), be provided with scavenging solution under meter (3), described nickelous carbonate input duct (10) is connected with reaction unit (9) respectively with scavenging solution input duct (11), described reaction unit (9) is provided with pH control device (4) and temperature-control device (5), described nickelous carbonate flow regulation device (8), scavenging solution under meter (3), pH control device (4) is connected with PID controller (7) respectively with temperature-control device (5).
2. a kind of nickel electrowinning iron purification automatic process control system device according to claim 1, is characterized in that: described nickelous carbonate flow regulation device (8) comprises interconnective nickelous carbonate under meter (1) and nickelous carbonate flow control valve (2).
3. a kind of nickel electrowinning iron purification automatic process control system device according to claim 1 and 2, is characterized in that: described temperature-control device (5) is connected with steam flow control valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623095.3U CN203569203U (en) | 2013-10-10 | 2013-10-10 | Automatic control device in nickel electrolysis purification and iron removal process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623095.3U CN203569203U (en) | 2013-10-10 | 2013-10-10 | Automatic control device in nickel electrolysis purification and iron removal process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203569203U true CN203569203U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623095.3U Expired - Fee Related CN203569203U (en) | 2013-10-10 | 2013-10-10 | Automatic control device in nickel electrolysis purification and iron removal process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203569203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917740A (en) * | 2019-03-20 | 2019-06-21 | 金川集团股份有限公司 | A kind of chlorine oxidation removal of impurities intelligence control system and control method |
-
2013
- 2013-10-10 CN CN201320623095.3U patent/CN203569203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917740A (en) * | 2019-03-20 | 2019-06-21 | 金川集团股份有限公司 | A kind of chlorine oxidation removal of impurities intelligence control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140430 Termination date: 20161010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |