CN220788834U - Intelligent partition blanking control device for electrolytic aluminum tank - Google Patents
Intelligent partition blanking control device for electrolytic aluminum tank Download PDFInfo
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- CN220788834U CN220788834U CN202322619610.7U CN202322619610U CN220788834U CN 220788834 U CN220788834 U CN 220788834U CN 202322619610 U CN202322619610 U CN 202322619610U CN 220788834 U CN220788834 U CN 220788834U
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- electrolytic aluminum
- blanking
- acquisition unit
- crust breaking
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 96
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000005192 partition Methods 0.000 title claims abstract description 13
- 238000007405 data analysis Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 7
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005868 electrolysis reaction Methods 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model provides an intelligent partition blanking control device of an electrolytic aluminum tank, which comprises an electrolytic aluminum device group and a control device, wherein the electrolytic aluminum device group comprises at least two electrolytic aluminum devices, the control device comprises a detection module, a data analysis unit and an output control unit, the detection module corresponds to the electrolytic aluminum devices, the detection module comprises an anode current distribution acquisition unit, a crust breaking feedback unit, a blanking feedback unit and a voltage acquisition unit, the anode current distribution acquisition unit, the crust breaking feedback unit, the blanking feedback unit and the voltage acquisition unit are all arranged on the electrolytic aluminum devices, and the anode current distribution acquisition unit, the crust breaking feedback unit, the blanking feedback unit, the voltage acquisition unit and the output control unit are all connected with the data analysis unit. The utility model effectively reduces the uneven distribution degree of alumina, can effectively reduce the conditions of regional shortage and precipitation, and improves the running stability and the electrolysis efficiency of the electrolytic tank.
Description
Technical Field
The utility model relates to the technical field of automatic control of electrolytic aluminum in the metallurgical industry, in particular to an intelligent partition blanking control device of an electrolytic aluminum tank.
Background
The basic principle of automatic control of electrolytic aluminum is that the material balance is main and the energy balance is auxiliary. The material balance means that the alumina material is properly supplied. The electrolytic aluminum tank is a large container for carrying out electrolytic reaction, in which alumina powder is dissolved as solute in the container, carbon blocks are used as anodes, aluminum liquid is used as cathodes, strong direct current is introduced, electrochemical reaction is carried out on two poles at a high temperature of about 960 ℃, aluminum liquid is obtained at the cathodes, and gas is obtained at the anodes. With the technical innovation of each aluminum industry design institute, the electrolytic tank gradually tends to be large, and is influenced by blockage, blanking device faults, consumption speed and the like, and in the electrolytic production process, the aluminum oxide content area in the electrolytic tank is distributed unevenly more obviously.
For example, the utility model patent with publication number of CN218710919U discloses a pressure signal acquisition device of an electrolytic aluminum cell crust breaking cylinder, which comprises a microprocessor unit, a signal overvoltage protection and acquisition unit, a CAN bus interface, an intelligent high-side power switch and a wiring terminal, wherein the wiring terminal is connected to an AD sampling port of the microprocessor unit through an overvoltage protection and acquisition circuit, the microprocessor unit is connected with the CAN bus interface, the CAN bus interface is connected to a cell control machine, the wiring terminal is connected to a pressure sensor and supplies power to the pressure sensor through the intelligent high-side power switch, and the intelligent high-side power switch is connected to the microprocessor unit. The utility model well solves the circuit protection problem that the short circuit between the power line and the signal line of the sensor is easy to cause due to the severe environment on the electrolytic tank, thereby leading the signal to flow excessively for a long time, and can be intelligently controlled and alarmed. However, the utility model does not monitor the discharging and alumina consumption conditions of the electrolytic aluminum tank, has a small application range, and cannot realize the partition control of the discharging of the electrolytic aluminum device.
Disclosure of Invention
Aiming at the technical problem that the application range of the existing electrolytic aluminum partition blanking monitoring device is smaller, the utility model provides an intelligent partition blanking control device for an electrolytic aluminum tank, which is used for collecting, analyzing and controlling data related to the content of aluminum oxide by taking a region as a unit, effectively reducing the uneven distribution degree of aluminum oxide, effectively reducing the conditions of regional shortage and precipitation, and improving the running stability and the electrolytic efficiency of the electrolytic tank.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows: the utility model provides an electrolytic aluminum cell intelligence subregion unloading controlling means, including electrolytic aluminum device group and controlling means, electrolytic aluminum device group includes two at least electrolytic aluminum devices, controlling means includes detection module, data analysis unit and output control unit, detection module is corresponding with electrolytic aluminum device, detection module includes positive pole current distribution collection unit, crust breaking feedback unit, unloading feedback unit and voltage acquisition unit, positive pole current distribution collection unit, crust breaking feedback unit, unloading feedback unit and voltage acquisition unit set up on electrolytic aluminum device, positive pole current distribution collection unit, crust breaking feedback unit, unloading feedback unit, voltage acquisition unit and output control unit all are connected with data analysis unit.
The data analysis unit is a PLC analyzer, and the anode current distribution acquisition unit, the crust breaking feedback unit, the blanking feedback unit, the voltage acquisition unit and the output control unit are all connected with the PLC analyzer through an RS485 communication line or a CAN bus communication line.
The anode current distribution acquisition unit is a voltage acquisition unit, the micro voltage acquisition unit comprises an acquisition analysis module, a signal output port I and two signal acquisition ports, the two signal acquisition ports of the micro voltage acquisition unit are all arranged on a guide rod of the electrolytic aluminum device, the acquisition port and the signal output port I are both connected with the acquisition analysis module, and the signal output port I is connected with the PLC analyzer.
The crust breaking feedback unit is a first pressure sensor, the first pressure sensor is arranged at the exhaust hole of the crust breaking cylinder of the electrolytic aluminum device, and the first pressure sensor is connected with the PLC analyzer.
The crust breaking feedback unit is a first pressure switch, the first pressure switch is arranged at the exhaust hole of the crust breaking cylinder of the electrolytic aluminum device, and the first pressure switch is connected with the PLC analyzer.
The blanking feedback unit is a second pressure sensor, the second pressure sensor is arranged at an exhaust hole of a blanking control valve of the electrolytic aluminum device, and the second pressure sensor is connected with the PLC analyzer.
The blanking feedback unit is a second pressure switch, the second pressure switch is arranged at an exhaust hole of a blanking control valve of the electrolytic aluminum device, and the second pressure switch is connected with the PLC analyzer.
The voltage acquisition unit is a direct-current voltage acquisition unit, the direct-current voltage acquisition unit comprises a signal output port II, an acquisition analysis module and two current acquisition ports, the signal output port II and the two current acquisition ports are both connected with the acquisition analysis module, the two current acquisition ports are respectively connected with a cathode guide rod and an anode guide rod of the electrolytic aluminum device, and the signal output port II is connected with the data analysis unit.
The output control unit comprises a control module and at least two control switches, the control switches are connected with the control module, and the control switches are arranged at the feed opening of the electrolytic aluminum device.
The control module is an embedded PLC analyzer.
According to the utility model, the electrolytic tank is divided into a plurality of areas according to the design of the tank type in the control logic, and data acquisition, analysis and control related to the content of alumina are carried out by taking the areas as units; through the refined control of the subareas, the control function of the area on-demand blanking and the intelligent subarea blanking can be realized. The utility model effectively reduces the uneven distribution degree of alumina, can effectively reduce the conditions of regional shortage and precipitation, and improves the running stability and the electrolysis efficiency of the electrolytic tank.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
In the figure, 1 is an anode current distribution acquisition unit, 2 is a crust breaking feedback unit, 3 is a blanking feedback unit, 4 is a multipath voltage acquisition unit, 5 is a data analysis unit, and 6 is an output control unit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, an intelligent partition blanking control device of an electrolytic aluminum tank comprises an electrolytic aluminum device group and a control device, wherein the electrolytic aluminum device group comprises at least two electrolytic aluminum devices, the control device comprises a detection module, a data analysis unit 5 and an output control unit 6, the detection module corresponds to the electrolytic aluminum devices, the detection module comprises an anode current distribution acquisition unit 1, a crust breaking feedback unit 2, a blanking feedback unit 3 and a voltage acquisition unit 4, the anode current distribution acquisition unit 1, the crust breaking feedback unit 2, the blanking feedback unit 3 and the voltage acquisition unit 4 are arranged on the electrolytic aluminum devices, and the anode current distribution acquisition unit 1, the crust breaking feedback unit 2, the blanking feedback unit 3, the voltage acquisition unit 4 and the output control unit 6 are all connected with the data analysis unit 5. The detection module is mainly used for detecting anode current, crust breaking condition, blanking condition and voltage information between an anode and a cathode in the electrolytic aluminum device, and transmitting the collected information to the data analysis unit 5, wherein the data analysis unit 5 is mainly used for analyzing and monitoring the consumption rate of the alumina material in the electrolytic aluminum device according to the received information, and the output control unit 6 is mainly used for controlling the blanking rate.
Specifically, the data analysis unit 5 is a PLC analyzer, and the anode current distribution acquisition unit 1, the crust breaking feedback unit 2, the blanking feedback unit 3, the voltage acquisition unit 4 and the output control unit 6 are all connected with the PLC analyzer through an RS485 communication line or a CAN bus communication line. The PLC analyzer is mainly used for classifying and statistically analyzing the blanking conditions and the alumina material consumption conditions of a plurality of areas.
The anode current distribution acquisition unit 1 is a micro-voltage acquisition unit, the micro-voltage acquisition unit comprises an acquisition analysis module, a signal output port I and two information acquisition ports, the two acquisition ports of the micro-voltage acquisition unit are all arranged on a guide rod of an electrolytic aluminum device, the acquisition port and the signal output port I are both connected with the acquisition analysis module, and the signal output port I is connected with the data analysis unit 5. Specifically, the acquisition period of the acquisition analysis module is 1s, the measuring range is 0-5 mv of direct current, the precision is 0.01mv, the distance between two acquisition ports is 6cm, and the guide rod resistance of 6cm can be regarded as consistent because the materials and the sizes of each guide rod are the same in application. The acquisition and analysis module converts the current ratio flowing on the anode rod according to ohm's law by using the current acquired by the two information acquisition ports, and transmits the current ratio to the data analysis unit 5 through the signal output port I. The stability of the anode current in the electrolytic aluminum device can be monitored through the anode current distribution acquisition unit 1, so that the instability of the electrolytic tank of the electrolytic aluminum device caused by the instability of the anode current is prevented, and accidents such as falling off of an anode guide rod are further avoided.
The crust breaking feedback unit 2 is mainly used for collecting crust breaking feedback of each area, the crust breaking feedback unit 2 can be a first pressure sensor, the pressure sensor is arranged at a crust breaking cylinder exhaust hole of the electrolytic aluminum device, and the pressure sensor is connected with the PLC analyzer. The first pressure sensor can be SIN-P300 type pressure sensor. The first pressure sensor is mainly used for monitoring whether a charging inlet in the electrolytic aluminum device is blocked, when a crust breaking cylinder of the electrolytic aluminum device fails to break through a shell, a piston shaft in the crust breaking cylinder cannot complete a complete periodic motion, the pressure sensor cannot collect pressure signals, when the crust breaking cylinder of the electrolytic aluminum device breaks through the shell or the inlet does not form the shell, the piston shaft in the crust breaking cylinder contacts with the pressure sensor after completing a complete periodic motion, and the pressure sensor collects pressure information. The crust breaking cylinder of the electrolytic aluminum device operates according to a specified period, and when the pressure information transmitted by the pressure sensor is inconsistent with the operating period of the crust breaking cylinder, the fault of the electrolytic aluminum device can be judged.
The blanking feedback unit 3 is mainly used for collecting blanking feedback of each area, the blanking feedback unit 3 can be a second pressure sensor, the second pressure sensor is arranged at an exhaust hole of a blanking control valve of the electrolytic aluminum device, and the second pressure sensor is connected with the PLC analyzer. The second pressure sensor can be used for exhausting through an exhaust hole of the blanking control valve under the condition of normal blanking by selecting the SIN-P300 type pressure sensor, the blanking of the electrolytic aluminum device is set according to a fixed period, when the period of collecting the pressure signal by the second pressure sensor is consistent with the blanking period of the electrolytic aluminum device, the blanking of the electrolytic aluminum device is proved to be normal, and when the period of collecting the pressure signal by the second pressure sensor is greatly different from the blanking period of the electrolytic aluminum device or the pressure signal cannot be collected, the blanking of the electrolytic aluminum device is abnormal.
The voltage acquisition unit 4 is a 0-100V direct current voltage acquisition device, the direct current voltage acquisition device is mainly used for acquiring the voltage of two poles of the earth of each area, the direct current voltage acquisition device comprises a signal output port II, an acquisition analysis module and two current acquisition ports, the signal output port II and the two current acquisition ports are connected with the acquisition analysis module, the two current acquisition ports are respectively connected with a cathode and an anode guide rod of an electrolytic aluminum device, and the signal output port II is connected with the data analysis unit 5. The voltage change of the two poles collected by the voltage collecting unit 4 is related to the consumption condition of the alumina, and the consumption rate of the alumina can be judged according to the voltage change.
The output control unit 6 comprises a control module and at least two control switches, the control switches correspond to the electrolytic aluminum device, the control switches are connected with the control module, and the control switches are arranged at the feed opening of the electrolytic aluminum device. The output control unit 6 is mainly used for blanking according to the current situation of each aluminum electrolysis device. Specifically, the alumina rate of each aluminum electrolysis device is judged according to the information fed back by the corresponding blanking feedback unit 3 of each aluminum electrolysis device, and the alumina content change trend of each aluminum electrolysis device can be further known according to the two-stage voltage change rate acquired by the voltage acquisition unit 4. When the alumina consumption rate of the electrolytic aluminum device is faster, the PLC analyzer of the data analysis unit 5 transmits a message to the embedded PLC analyzer of the output control unit 6, and the embedded PLC analyzer shortens the switching period of the control switch corresponding to the electrolytic aluminum device so as to accelerate the blanking rate. Otherwise, if the alumina consumption rate of the electrolytic aluminum device is slower, the PLC analyzer of the data analysis unit 5 transmits a message to the embedded PLC analyzer of the output control unit 6, and the control module prolongs the opening and closing period of the control switch corresponding to the electrolytic aluminum device so as to slow down the blanking rate.
Example 2
The utility model provides an electrolytic aluminum tank intelligence subregion unloading controlling means, crust breaking feedback unit 2 can also select for use the input be 0.1~1Mpa, the output is passive on-off signal's first pressure switch, and first pressure switch installs the crust breaking cylinder exhaust hole department at electrolytic aluminum device, and first pressure switch is connected with the PLC analyzer. When the exhaust hole exhausts, the first pressure switch is extruded, so that the first pressure switch is started to send a crust breaking success signal, and therefore, when the first pressure switch does not send the crust breaking success signal for a long time, the PLC analyzer can judge that the blanking hole of the electrolytic aluminum device is blocked.
Other structures and principles are the same as those of embodiment 1.
Example 3
The intelligent partition blanking control device for the electrolytic aluminum tank comprises a blanking feedback unit 3, a second pressure switch, a PLC analyzer and a blanking control valve, wherein the input of the second pressure switch is 0.1-1 mpa, the output of the second pressure switch is a passive on-off signal, the second pressure switch is arranged at an exhaust hole of the blanking control valve of the electrolytic aluminum device, and the second pressure switch is connected with the PLC analyzer. When the blanking is successful, the exhaust hole exhausts to extrude the second pressure switch, the second pressure switch is started to send a blanking success signal, and when the second pressure switch does not send the blanking success signal after the blanking of the electrolytic aluminum device, the PLC analyzer can judge that the electrolytic aluminum device corresponding to the second pressure switch does not throw the alumina material successfully.
Other structures and principles are the same as those of embodiment 2.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides an electrolytic aluminum groove intelligence subregion unloading controlling means, a serial communication port, including electrolytic aluminum device group and controlling means, electrolytic aluminum device group includes two at least electrolytic aluminum devices, controlling means includes detection module, data analysis unit (5) and output control unit (6), detection module is corresponding with electrolytic aluminum device, detection module includes positive pole current distribution collection unit (1), crust breaking feedback unit (2), unloading feedback unit (3) and voltage acquisition unit (4), positive pole current distribution collection unit (1), crust breaking feedback unit (2), unloading feedback unit (3) and voltage acquisition unit (4) set up on electrolytic aluminum device, positive pole current distribution collection unit (1), crust breaking feedback unit (2), unloading feedback unit (3), voltage acquisition unit (4) and output control unit (6) all are connected with data analysis unit (5).
2. The intelligent partitioned blanking control device of the electrolytic aluminum cell according to claim 1, wherein the data analysis unit (5) is a PLC analyzer, and the anode current distribution acquisition unit (1), the crust breaking feedback unit (2), the blanking feedback unit (3), the voltage acquisition unit (4) and the output control unit (6) are all connected with the PLC analyzer through an RS485 communication line or a CAN bus communication line.
3. The intelligent partition blanking control device of the electrolytic aluminum cell according to claim 2, wherein the anode current distribution acquisition unit (1) is a voltage acquisition unit, the micro voltage acquisition unit comprises an acquisition analysis module, a signal output port I and two signal acquisition ports, the two signal acquisition ports of the micro voltage acquisition unit are all arranged on a guide rod of the electrolytic aluminum device, the acquisition ports and the signal output port I are both connected with the acquisition analysis module, and the signal output port I is connected with a PLC analyzer.
4. The intelligent zoned blanking control device for the electrolytic aluminum tank according to claim 3, wherein the crust breaking feedback unit (2) is a first pressure sensor, the first pressure sensor is arranged at a crust breaking cylinder exhaust hole of the electrolytic aluminum device, and the first pressure sensor is connected with a PLC analyzer.
5. The intelligent partition blanking control device of the electrolytic aluminum tank according to claim 3, wherein the crust breaking feedback unit (2) is a first pressure switch, the first pressure switch is arranged at a crust breaking cylinder exhaust hole of the electrolytic aluminum device, and the first pressure switch is connected with a PLC analyzer.
6. The intelligent zoned blanking control device of the electrolytic aluminum tank according to claim 3, wherein the blanking feedback unit (3) is a second pressure sensor, the second pressure sensor is arranged at an exhaust hole of a blanking control valve of the electrolytic aluminum device, and the second pressure sensor is connected with a PLC analyzer.
7. The intelligent partition blanking control device of the electrolytic aluminum tank according to claim 3, wherein the blanking feedback unit (3) is a second pressure switch, the second pressure switch is arranged at an exhaust hole of a blanking control valve of the electrolytic aluminum device, and the second pressure switch is connected with a PLC analyzer.
8. The intelligent zoned blanking control device of the electrolytic aluminum cell according to any one of claims 4 to 7, wherein the voltage acquisition unit (4) is a direct current voltage acquisition unit, the direct current voltage acquisition unit comprises a signal output port II, an acquisition analysis module and two current acquisition ports, the signal output port II and the two current acquisition ports are connected with the acquisition analysis module, the two current acquisition ports are respectively connected with a cathode guide rod and an anode guide rod of the electrolytic aluminum device, and the signal output port II is connected with the data analysis unit (5).
9. The intelligent partition blanking control device of the electrolytic aluminum tank according to claim 8, wherein the output control unit (6) comprises a control module and at least two control switches, the control switches are connected with the control module, and the control switches are arranged at a blanking port of the electrolytic aluminum device.
10. The intelligent zoned blanking control device of an electrolytic aluminum cell according to claim 9, wherein the control module is an embedded PLC analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619610.7U CN220788834U (en) | 2023-09-26 | 2023-09-26 | Intelligent partition blanking control device for electrolytic aluminum tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619610.7U CN220788834U (en) | 2023-09-26 | 2023-09-26 | Intelligent partition blanking control device for electrolytic aluminum tank |
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| CN220788834U true CN220788834U (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322619610.7U Active CN220788834U (en) | 2023-09-26 | 2023-09-26 | Intelligent partition blanking control device for electrolytic aluminum tank |
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| CN (1) | CN220788834U (en) |
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2023
- 2023-09-26 CN CN202322619610.7U patent/CN220788834U/en active Active
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