CN101220489A - On-line testing method for aluminum cell anodic current distribution and monitoring device - Google Patents
On-line testing method for aluminum cell anodic current distribution and monitoring device Download PDFInfo
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- CN101220489A CN101220489A CNA2007101757998A CN200710175799A CN101220489A CN 101220489 A CN101220489 A CN 101220489A CN A2007101757998 A CNA2007101757998 A CN A2007101757998A CN 200710175799 A CN200710175799 A CN 200710175799A CN 101220489 A CN101220489 A CN 101220489A
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Abstract
The invention discloses an on-line detection method for current distribution in the anode of an aluminum reduction cell. By clamping voltage data collecting devices on all the anode guide rods in the reduction cell one by one and using the radio transmission technology, the method realizes simultaneous collecting of voltage data of all the anode guide rods in the reduction cell, thus providing timely and accurate data for analyzing the distribution and changing trend of current in the anode. The on-line monitoring method for current distribution in the anode of the aluminum reduction cell of the invention can master the distribution of the current in the anode of the reduction cell in time, provide timely and accurate data for an operator to adjust the height of the anode in time and ensure stable and isostatic distribution of the current in the anode of the reduction cell according to technology condition, avoid anode shedding caused by current convergence in the anode, specify the furnace cavity, increase current efficiency of the reduction cell, reduce anode consumption and power consumption and achieve the goal of saving electric power resource.
Description
Technical field
The present invention relates to on-line testing method for aluminum cell anodic current distribution, and the monitoring device of implementing this method.
Background technology
Along with the development of aluminum electrolysis process development of technology and electrolysis of aluminum industry, realize large-scale pre-bakedization substantially, often be arranged with tens anodes on the aluminium cell.Because Aluminium Electrolysis is a lava electrolytic process, the even situation that aluminum cell anodic current distributes, directly influence the kenel of electrolyzer thorax, influence the stable of anode working, influence horizontal current, influence technology condition stable of electrolyzer production run process, influence the current efficiency of electrolyzer, influence the output of electrolytic aluminum, influence the consumption of electric energy, influence the production and operation technical indicator, influence the production and operation benefit, therefore, the anodic current of electrolyzer is monitored, in time grasp the distribution situation and the variation tendency of anode electrolytic cell electric current, most important to the production operation that guarantees electrolytic aluminum.
At present, usually by the artificial millivolt pressure drop that regularly detects on the anode rod, to understand the distribution situation of anodic current, its concrete mode is exactly: in the production scene, the testing staff hands millivoltmeter, gathers the voltage data on each anode rod in the electrolyzer one by one, then, according to the data that measure, judge whether each anodic working order is normal, and abnormal anode rod of working is made corresponding adjustment.
Owing to often be arranged with the dozens of anode on an electrolyzer, if any electrolyzer on be arranged with 28 anodes, like this, anode in the electrolyzer is all measured one time, usually need for a long time, therefore, this data acquisition modes not only labour intensity is big, key is the collection lifetime interval of each anode data, and this timed interval directly influences the accuracy of later stage antianode current distributions and analysis that variation tendency is done, reduced the reliability of analytical data, and had influence on accurate control thus the Aluminum Electrolysis Production process.
Summary of the invention
Problem at the prior art existence, primary and foremost purpose of the present invention provides on-line testing method for aluminum cell anodic current distribution, utilize this method can gather the voltage data on all anode rods in the electrolyzer at one time quickly and easily, and the data that collect are analyzed timely, thereby provide foundation accurately and reliably for the timely adjustment of anode rod.Further aim of the present invention provides the monitoring device of implementing aforesaid method.
For achieving the above object, on-line testing method for aluminum cell anodic current distribution of the present invention, be specially: the voltage data gathering device that will carry jig is installed on all anode rods in the electrolyzer one by one, utilize these data collectors to gather voltage data on all anode rods simultaneously, and in real time the voltage data of being gathered is outwards exported with Wireless transmission mode; Receive the voltage data that data collector is exported in real time by data processing centre (DPC), and data are carried out real-time analysis handle.
Detection method of the present invention can also be installed on all anode rods in the electrolyzer one by one for: the voltage data gathering device that will carry jig, utilize these data collectors to gather voltage data on all anode rods simultaneously, simultaneously by the temperature data on the collection of the temperature sensor on each the voltage data gathering device respective anode guide rod, the temperature data of utilize gathering to the voltage data on the corresponding guide rod revise, after converting revised voltage data to current data, with Wireless transmission mode outwards output in real time; Receive the data that data collector is exported in real time by data processing centre (DPC), and data are carried out real-time analysis handle.
The aluminum cell anodic current of implementing aforesaid method is distributed in line monitoring system, and this system comprises voltage data gathering device and data processing centre (DPC); Wherein, data collector comprises measuring unit and jig, measuring unit is by the millivolt voltage measurement module, temperature sensor, the A/D modular converter, wireless transport module, power supply constitutes, the millivolt voltage measurement module is used to gather the voltage data on the anode electrolytic cell guide rod, temperature sensor is used to gather the temperature data of anode rod, the temperature data input A/D modular converter of voltage data that the millivolt voltage measurement module is measured and temperature sensor measurement, in the A/D modular converter, utilize temperature data that voltage data is revised, and revised voltage data is converted into current data, be transferred to wireless transport module after converting the current data of gained to numerary signal again, outwards export by wireless transport module, measuring unit is fixed on the jig by its housing, when jig snapped fitted on the anode rod, the potential electrode of millivolt voltage measurement module and the detection head of temperature sensor were pressed on the surface of anode rod automatically; Data processing centre (DPC) is made of central computer and wireless transport module, and central computer receives the signal that data collector is exported by wireless transport module, and carries out analyzing and processing to the received signal.
Further, the U-shaped of described jig for making by elastic sheet, its both sides flap front edge of board respectively is provided with one symmetrically and extends along the vertical direction and to projecting inward V-arrangement fin, this antetheca to the V-arrangement fin constitutes the front opening that the U-shaped jig from inside to outside enlarges gradually, and jig fixes on tested anode rod by a pair of V-arrangement fin that is provided with on its two flap plate.
Further, also be provided with the union lever jack on the described jig, by this jack, described data collector is connected bar and connects into one group or several group in twos.
Utilize on-line testing method for aluminum cell anodic current distribution of the present invention, can in time grasp anode electrolytic cell distribution of current situation, for in time adjusting the anode height, operator provide promptly and accurately foundation, guarantee of the distribution of anode electrolytic cell electric current according to the technology condition stable equilibrium, effectively prevent to concentrate the anode release failure that causes because of anodic current, make the burner hearth standard, further improve the current efficiency of electrolyzer, reduce anode consumption, reduce power consumption, reach the purpose of the conservation of power energy.
Description of drawings
Fig. 1 is distributed in the line monitoring system principle assumption diagram for aluminum cell anodic current of the present invention;
Fig. 2 is data collector structural representation in the Monitoring systems of the present invention;
Fig. 3 be among Fig. 2 A to view;
Fig. 4 is the union lever structural representation.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, aluminum cell anodic current of the present invention is distributed in the line monitoring method system and comprises voltage data gathering device and data processing centre (DPC).Data collector comprises measuring unit and jig, measuring unit is by the millivolt voltage measurement module, temperature sensor, the A/D modular converter, wireless transport module, battery supply constitutes, millivolt voltage measurement module and temperature sensor all adopt with existing and hand identical measurement module and transmitter in the millivoltmeter, the temperature data input A/D modular converter of voltage data that the millivolt voltage measurement module is measured and temperature sensor measurement, in the A/D modular converter, utilize temperature data that voltage data is revised, and revised voltage data is converted into current data, be transferred to wireless transport module after converting the current data of gained to numerary signal again, outwards export by wireless transport module.Jig 1 U-shaped for being made by the elastic metallic thin plate, its both sides flap front edge of board respectively are provided with one symmetrically and extend along the vertical direction and to projecting inward V-arrangement fin 3, this antetheca to V-arrangement fin 3 constitutes the front opening that the U-shaped jig from inside to outside enlarges gradually.Measuring unit is installed in the box body 2, and be fixed on the jig 1 by box body 2, be provided with the through hole that supplies millivolt voltage measurement module potential electrode and temperature sensor to lean out on box body 2 and the jig 1, when box body 2 is fixed on the jig 1, potential electrode and temperature sensor lean out in jig from jig 1 web automatically, so that when jig 1 snaps fitted on the anode rod, the potential electrode and the temperature sensor detection head of millivolt voltage measurement module are pressed on the surface of anode rod automatically.Data processing centre (DPC) is made of central computer and wireless transport module, and central computer receives the signal that data collector is exported by wireless transport module, and carries out analyzing and processing to the received signal.
Because the resistance of anode rod can be subjected to Temperature Influence, in the work in the same electrolyzer temperature of each anode rod have difference, like this, utilize temperature sensor collecting temperature data that the voltage data of gathering is revised, can guarantee the accuracy of data collector institute output data.
The installation and removal of data collector on aluminum cell anode guide rod for convenience, can be provided with two vertical cores 4 by jig 1, and utilize connecting rod shown in Figure 4 that data collector is assembled into one group or triad in twos, or a plurality of one group, like this, be that unit mounts and dismounts at the scene with the group, can raise the efficiency.Union lever shown in Figure 4 comprises fixed link 5 and movable head 7, fixed link 5 one ends be fixed with two with jig 1 on the plug 6 that is complementary of two jacks 4, movable head 7 is made of square tube 8 and two plugs 6, and movable head 7 can slide along fixed link 5, and can fix by the holding screw on it.
During use, can utilize union lever that data collector is assembled into one group in twos in advance, at the scene data collector is installed on one by one on all anode rods of an aluminium cell, utilize these data collectors to gather the voltage data of all anode rods simultaneously, and the data of gathering are carried out analyzing and processing by data processing centre (DPC).After having gathered the data of an aluminium cell, unload data collector, again to other the voltage signal of anode electrolytic cell guide rod gather, analyzing and processing.
28 anode rods are installed on the present aluminium cell usually, and after data collector is dismantled and installed by group, but big time saver is increased work efficiency.
Data processing centre (DPC) can make portable, as is placed on the dolly at the scene the data of gathering from electrolyzer are one by one handled, and can guarantee the promptness of data processing like this.
Claims (5)
1. on-line testing method for aluminum cell anodic current distribution, be specially: the voltage data gathering device that will carry jig is installed on all anode rods in the electrolyzer one by one, utilize these data collectors to gather voltage data on all anode rods simultaneously, and in real time the voltage data of being gathered is outwards exported with Wireless transmission mode; Receive the voltage data that data collector is exported in real time by data processing centre (DPC), and data are carried out real-time analysis handle.
2. aluminum cell anodic current monitoring method, be specially: the voltage data gathering device that will carry jig is installed on all anode rods in the electrolyzer one by one, utilize these data collectors to gather voltage data on all anode rods simultaneously, simultaneously by the temperature data on the collection of the temperature sensor on each the voltage data gathering device respective anode guide rod, the temperature data of utilize gathering to the voltage data on the corresponding guide rod revise, after converting revised voltage data to current data, with Wireless transmission mode outwards output in real time; Receive the data that data collector is exported in real time by data processing centre (DPC), and data are carried out real-time analysis handle.
3. an aluminum cell anodic current of implementing the described method of claim 1 is distributed in the line monitoring method system, it is characterized in that this system comprises voltage data gathering device and data processing centre (DPC); Wherein, data collector comprises measuring unit and jig, measuring unit is by the millivolt voltage measurement module, temperature sensor, the A/D modular converter, wireless transport module, power supply constitutes, the millivolt voltage measurement module is used to gather the voltage data on the anode electrolytic cell guide rod, temperature sensor is used to gather the temperature data of anode rod, the voltage data that the millivolt voltage measurement module is measured and the temperature data of temperature sensor measurement are transferred to wireless transport module after the A/D modular converter converts numerary signal to, and outwards export by wireless transport module, measuring unit is fixed on the jig by its housing, when jig snapped fitted on the anode rod, the potential electrode of millivolt voltage measurement module and the detection head of temperature sensor were pressed on the surface of anode rod automatically; Data processing centre (DPC) is made of central computer and wireless transport module, and central computer receives the signal that data collector is exported by wireless transport module, and carries out analyzing and processing to the received signal.
4. aluminum cell anodic current as claimed in claim 3 is distributed in line monitoring system, it is characterized in that, the U-shaped of described jig for making by elastic sheet, its both sides flap front edge of board respectively is provided with one symmetrically and extends along the vertical direction and to projecting inward V-arrangement fin, this antetheca to the V-arrangement fin constitutes the front opening that the U-shaped jig from inside to outside enlarges gradually, and jig fixes on tested anode rod by a pair of V-arrangement fin that is provided with on its two flap plate.
5. aluminum cell anodic current as claimed in claim 4 is distributed in line monitoring system, it is characterized in that, also is provided with the union lever jack on the described jig, and by this jack, described data collector is connected bar and connects into one group or several group in twos.
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| CNA2007101757998A CN101220489A (en) | 2007-10-12 | 2007-10-12 | On-line testing method for aluminum cell anodic current distribution and monitoring device |
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| CNA2007101757998A CN101220489A (en) | 2007-10-12 | 2007-10-12 | On-line testing method for aluminum cell anodic current distribution and monitoring device |
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| CN102409361A (en) * | 2011-12-26 | 2012-04-11 | 贵阳铝镁设计研究院有限公司 | Thermoelectric online monitoring system of aluminum electrolysis cell bus |
| CN102758223A (en) * | 2011-04-29 | 2012-10-31 | 沈阳铝镁设计研究院有限公司 | Device for online measurement of anode current distribution of aluminum electrolysis cell |
| CN103014774A (en) * | 2013-01-14 | 2013-04-03 | 四川华索自动化信息工程有限公司 | Aluminum electrolytic bath anode current distribution-based online measuring device and measuring method thereof |
| CN103063902A (en) * | 2012-12-31 | 2013-04-24 | 郑州中实赛尔科技有限公司 | Aluminum electrolytic cell anode voltage signal acquisition device |
| CN103630101A (en) * | 2013-11-07 | 2014-03-12 | 中国铝业股份有限公司 | Method for on-line measuring thickness of anode of electrolytic cell |
| CN103797161A (en) * | 2011-09-16 | 2014-05-14 | 德诺拉工业有限公司 | Permanent system for continuous detection of current distribution in interconnected electrolytic cells |
| CN104018187A (en) * | 2014-06-18 | 2014-09-03 | 四川华索自动化信息工程有限公司 | Maintenance-free scrollable two-layer flexible structure system for real-time measurement of anode current distribution |
| CN104278295A (en) * | 2013-07-04 | 2015-01-14 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank anode current distribution measuring system and measuring method thereof |
| CN104831317A (en) * | 2015-05-07 | 2015-08-12 | 北方工业大学 | Method for judging abnormal anode current of aluminum electrolysis cell |
| CN105441981A (en) * | 2015-11-27 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Method and device for wirelessly detecting current of aluminum electrolytic anode rod |
| CN106119897A (en) * | 2016-08-19 | 2016-11-16 | 河南科达东大国际工程有限公司 | A kind of electrolyzer electric flow distribution and safety monitoring system and electrolytic aluminium equipment |
| RU2674180C2 (en) * | 2017-04-24 | 2018-12-05 | Александр Иванович Громыко | Method for monitoring the technical state of a cell cathode assembly |
| CN112048738A (en) * | 2020-09-11 | 2020-12-08 | 郑述营 | Electrolytic cell anode replacement system |
| CN112176392A (en) * | 2020-03-24 | 2021-01-05 | 鸿富锦精密电子（成都）有限公司 | Anode production line monitoring method and device and computer readable storage medium |
| CN112509303A (en) * | 2020-11-29 | 2021-03-16 | 承德石油高等专科学校 | Anode current collecting system based on wireless transmission |
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2007
- 2007-10-12 CN CNA2007101757998A patent/CN101220489A/en active Pending
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| CN102758223B (en) * | 2011-04-29 | 2014-11-19 | 沈阳铝镁设计研究院有限公司 | Device for online measurement of anode current distribution of aluminum electrolysis cell |
| CN102758223A (en) * | 2011-04-29 | 2012-10-31 | 沈阳铝镁设计研究院有限公司 | Device for online measurement of anode current distribution of aluminum electrolysis cell |
| NO347282B1 (en) * | 2011-04-29 | 2023-08-21 | China Aluminum Int Engineering Corp Ltd | Device for on-line measurement of the distribution of the anode current of an aluminum electrolysis cell |
| CN103797161B (en) * | 2011-09-16 | 2016-11-02 | 德诺拉工业有限公司 | The persistent system of the CURRENT DISTRIBUTION in the electrolyzer of continuous detecting interconnection |
| CN103797161A (en) * | 2011-09-16 | 2014-05-14 | 德诺拉工业有限公司 | Permanent system for continuous detection of current distribution in interconnected electrolytic cells |
| CN102409361B (en) * | 2011-12-26 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Aluminum cell bus-bar thermoelectricity on-line monitoring system |
| CN102409361A (en) * | 2011-12-26 | 2012-04-11 | 贵阳铝镁设计研究院有限公司 | Thermoelectric online monitoring system of aluminum electrolysis cell bus |
| CN103063902A (en) * | 2012-12-31 | 2013-04-24 | 郑州中实赛尔科技有限公司 | Aluminum electrolytic cell anode voltage signal acquisition device |
| CN103014774B (en) * | 2013-01-14 | 2015-04-15 | 四川华索自动化信息工程有限公司 | Aluminum electrolytic bath anode current distribution-based online measuring device and measuring method thereof |
| CN103014774A (en) * | 2013-01-14 | 2013-04-03 | 四川华索自动化信息工程有限公司 | Aluminum electrolytic bath anode current distribution-based online measuring device and measuring method thereof |
| CN104278295A (en) * | 2013-07-04 | 2015-01-14 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank anode current distribution measuring system and measuring method thereof |
| CN104278295B (en) * | 2013-07-04 | 2018-08-28 | 贵阳铝镁设计研究院有限公司 | A kind of aluminum cell anodic current distribution measurement system and its measurement method |
| CN103630101A (en) * | 2013-11-07 | 2014-03-12 | 中国铝业股份有限公司 | Method for on-line measuring thickness of anode of electrolytic cell |
| CN103630101B (en) * | 2013-11-07 | 2016-07-06 | 中国铝业股份有限公司 | A kind of method of on-line measurement anode electrolytic cell thickness |
| CN104018187A (en) * | 2014-06-18 | 2014-09-03 | 四川华索自动化信息工程有限公司 | Maintenance-free scrollable two-layer flexible structure system for real-time measurement of anode current distribution |
| CN104831317A (en) * | 2015-05-07 | 2015-08-12 | 北方工业大学 | Method for judging abnormal anode current of aluminum electrolysis cell |
| CN105441981A (en) * | 2015-11-27 | 2016-03-30 | 贵阳铝镁设计研究院有限公司 | Method and device for wirelessly detecting current of aluminum electrolytic anode rod |
| CN106119897A (en) * | 2016-08-19 | 2016-11-16 | 河南科达东大国际工程有限公司 | A kind of electrolyzer electric flow distribution and safety monitoring system and electrolytic aluminium equipment |
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| CN112176392A (en) * | 2020-03-24 | 2021-01-05 | 鸿富锦精密电子（成都）有限公司 | Anode production line monitoring method and device and computer readable storage medium |
| CN112176392B (en) * | 2020-03-24 | 2021-11-26 | 鸿富锦精密电子（成都）有限公司 | Anode production line monitoring method and device and computer readable storage medium |
| CN112048738A (en) * | 2020-09-11 | 2020-12-08 | 郑述营 | Electrolytic cell anode replacement system |
| CN112048738B (en) * | 2020-09-11 | 2023-06-13 | 郑述营 | Anode replacement system of electrolytic cell |
| CN112509303A (en) * | 2020-11-29 | 2021-03-16 | 承德石油高等专科学校 | Anode current collecting system based on wireless transmission |
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