CN102424985A - Real-time measurement device for temperature and current of through-flow bus of aluminum electrolysis cell - Google Patents
Real-time measurement device for temperature and current of through-flow bus of aluminum electrolysis cell Download PDFInfo
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- CN102424985A CN102424985A CN2011104396860A CN201110439686A CN102424985A CN 102424985 A CN102424985 A CN 102424985A CN 2011104396860 A CN2011104396860 A CN 2011104396860A CN 201110439686 A CN201110439686 A CN 201110439686A CN 102424985 A CN102424985 A CN 102424985A
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Abstract
The invention discloses a real-time measurement device for the temperature and the current of a through-flow bus of an aluminum electrolysis cell. One ends of a temperature measurement element (2) and a voltage probe (3) are connected with the through-flow bus (1) of an aluminum electrolysis cell, and the other ends of the temperature measurement element (2) and voltage probe (3) are connected with a data conditioning collector (5) by a data connecting line; and the data conditioning collector (5) is connected with an upper industrial controller (6) via a data connecting line. According to the real-time measurement device, the voltage, the current and the temperature signal intensity and the variation tendency thereof of a plurality of through-flow bus can be simultaneously monitored on line; and on the basis of multi-dimensional data and tendency, the operation characteristics of the through-flow bus and the electrochemical reaction relevant to the signal data are judged and researched to form a multi-channel and multi-variable cell situation dynamic model so as to provide a new support for more accurately controlling the electrolysis cell in time.
Description
Technical field
The present invention relates to a kind of aluminium cell, particularly relate to the through-flow state real time on-line monitoring of a kind of aluminium cell device.
Background technology
Domestic and international existing groove condition system all is based upon on " bath voltage " basis; Development through decades; Existing groove control system is for the filtration and the refinement of bath voltage parameter; Each parameter variation tendency is differentiated, and and alumina concentration control, the reinforced control of ALUMNIUM FLUORIDE between the further investigation and the prolonged application of vertical-horizontal relation, reached suitable height.Excavation for " bath voltage " data signal has almost reached ultimate attainment,
Maximization along with the electrolyzer capacity; Tankage is developed to 300kA, 400kA, 500kA rank from the 200kA level, and the long-width ratio of aluminium cell sharply rises, and each through-flow body variation and electrochemical reaction are the compartmentation characteristic in the electrolyzer; Be difficult to study and judge the groove condition variation of complicacy like this near the prior art of single bath voltage monitoring; Therefore, the development point of penetration of control techniques and technological breakthrough point must be conceived to and be based upon the collection of new signal and analytically; And existing sophisticated sensor technology and data transmission memory technology can effectively address the above problem.
Summary of the invention
The technical problem that the present invention will solve is; The through-flow bus temperature of a kind of aluminium cell, real-time current measuring apparatus are provided; To the monitoring of electrolyzer bus continuous uninterrupted, through obtaining temperature, the volts lost of certain distance lower conductor, at the resistance that calculates conductor through IPC; And finally calculate the conductor current value, and the through-flow state on-line operation of integrated on this basis formation aluminium cell model.
Technical scheme of the present invention: temperature element is connected with the through-flow bus of aluminium cell with an end of voltage probe, and the other end connects the data conditioning collector through data connecting line, and the data conditioning collector connects upper Industrial Control Computer through data connecting line again.
Temperature element comprises infrared detecting group, infrared thermography, heat flowmeter and thermopair instrument.
The data conditioning collector can be integrated among the Industrial Control Computer.
Compared with prior art; The present invention can onlinely monitor voltage, electric current and the temperature signal intensity and the variation tendency thereof of many through-flow buses simultaneously; And based on multidimensional data and trend; Study and judge the relevant through-flow bus of signal data therewith and the operation characteristic of electrochemical reaction, formation multi-path, multivariable groove condition dynamicmodel, thus for control more accurate and timely electrolyzer new support is provided.
Description of drawings
Fig. 1 is a synoptic diagram of the present invention;
Fig. 2 is many group electrolysis of aluminum bus on-line monitoring synoptic diagram.
Embodiment
Implement 1:
Like Fig. 1; Temperature element 2 obtains the temperature of aluminum cell bus-bar 1 and the information of voltage difference with voltage probe 3; Metrical information sends data conditioning collector 5 to through data connecting line 4 and carries out pre-treatment, is sent to the analysis of carrying out electric current in the upper Industrial Control Computer 6 through data connecting line 4 again and shows.Data conditioning collector 5 is integrated in the upper Industrial Control Computer 6.
Embodiment 2:
Temperature element 2 can be arranged temperature, magnitude of voltage to measure many buses simultaneously in groups with voltage probe 3; Many group metrical informations send a data conditioning collector 5 to through data connecting line 4, and data conditioning collector 5 carries out being sent to the analyses of carrying out many group electric currents in the upper Industrial Control Computer 6 through data connecting line 4 again after the unified conversion of digital quantity and shows.
Claims (3)
1. the through-flow bus temperature of aluminium cell, real-time current measuring apparatus; It is characterized in that: temperature element (2) is connected with the through-flow bus of aluminium cell (1) with an end of voltage probe (3); The other end connects data conditioning collector (5) through data connecting line, and data conditioning collector (5) connects upper Industrial Control Computer (6) through data connecting line again.
2. the through-flow bus temperature of aluminium cell according to claim 1, real-time current measuring apparatus is characterized in that: temperature element (2) comprises infrared detecting group, infrared thermography, heat flowmeter and thermopair instrument.
3. the through-flow bus temperature of aluminium cell according to claim 1, real-time current measuring apparatus is characterized in that: data conditioning collector (5) can be integrated among the Industrial Control Computer (6).
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CN2011104396860A CN102424985A (en) | 2011-12-26 | 2011-12-26 | Real-time measurement device for temperature and current of through-flow bus of aluminum electrolysis cell |
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CN2011104396860A CN102424985A (en) | 2011-12-26 | 2011-12-26 | Real-time measurement device for temperature and current of through-flow bus of aluminum electrolysis cell |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103088369A (en) * | 2013-02-27 | 2013-05-08 | 云南铝业股份有限公司 | On-line measurement method of bus current of aluminium electrolysis cell |
CN103510126A (en) * | 2012-06-19 | 2014-01-15 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank leakage detection apparatus |
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 |
CN104748793A (en) * | 2015-03-19 | 2015-07-01 | 中南大学 | Real-time combined measurement device and method for temperature and flow speed of aluminum electrolytic cell melt |
CN111005039A (en) * | 2020-02-17 | 2020-04-14 | 云南铝业股份有限公司 | Integrated online measurement method for temperatures of furnace bottom, square steel and cell shell of aluminum electrolysis cell |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510126A (en) * | 2012-06-19 | 2014-01-15 | 贵阳铝镁设计研究院有限公司 | Aluminum electrolysis tank leakage detection apparatus |
CN103088369A (en) * | 2013-02-27 | 2013-05-08 | 云南铝业股份有限公司 | On-line measurement method of bus current of aluminium electrolysis cell |
CN103088369B (en) * | 2013-02-27 | 2015-06-10 | 云南铝业股份有限公司 | On-line measurement method of bus current of aluminium electrolysis cell |
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 |
CN104748793A (en) * | 2015-03-19 | 2015-07-01 | 中南大学 | Real-time combined measurement device and method for temperature and flow speed of aluminum electrolytic cell melt |
CN104748793B (en) * | 2015-03-19 | 2017-03-08 | 中南大学 | Aluminum electrolysis cell melt temperature and flow velocity combined in real time measurement apparatus and its measuring method |
CN111005039A (en) * | 2020-02-17 | 2020-04-14 | 云南铝业股份有限公司 | Integrated online measurement method for temperatures of furnace bottom, square steel and cell shell of aluminum electrolysis cell |
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Application publication date: 20120425 |