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Online monitoring device for aluminium cell cathode current

A cathode current and monitoring device technology, applied in the field of aluminum electrolytic cells, can solve the problems of incompatibility, lack of precision, complicated and unsafe measurement methods, etc.

Inactive Publication Date: 2014-03-12
XUNDI SCI & TECH HUBEI PROV
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  • Abstract
  • Description
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Problems solved by technology

In order to obtain the cathode current distribution correction coefficient, in general, one of the cathode soft bus resistance values ​​is selected as a standard or reference, and the data obtained by comparing the other cathode soft bus resistance values ​​with the set reference value is the cathode current distribution correction. Coefficient, this measurement method is complex and unsafe without precision, so it is not suitable for the development of modern industry

Method used

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  • Online monitoring device for aluminium cell cathode current

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0009] exist figure 1 Among them, one end of the DC current sensor 1 is connected to the signal converter 2 , and the other end of the signal converter 2 is connected to the liquid crystal display 3 .

[0010] The DC current sensor 1 detects the real current of the soft connection of the cathode of the aluminum electrolytic cell, and the signal converter 2 converts the signal into a digital signal and transmits it to the LCD 3 by RS485 communication. The LCD 3 displays the real-time current and current of each cathode guide rod. The current distribution working simulation state diagram of the whole electrolyzer.

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Abstract

The invention relates to the field of aluminium electrolytic cells, and provides an online monitoring device of an aluminium cell cathode current. The online monitoring device is characterized in that two ends of a DC (direct current) sensor are respectively connected with a signal inverter and an LCD (liquid crystal display). Because of adopting the technical scheme, the distribution status of the electrolytic cell cathode current can be mastered in time, a timely and exact basis can be provided to operating personnel so as to adjust the cathode current in time, so that the electrolytic cell cathode current can be evenly distributed according to technological conditions, the breakage bottom of an electrolytic cell caused by flawing due to the uneven distribution of the cathode current can be prevented effectively, and electric energy is saved drastically, so that anciently a great deal of manpower and material resource consumption caused by adopting another mode to test electric currents are avoided.

Description

technical field [0001] The invention relates to the field of aluminum electrolytic cells, and relates to an online monitoring device for cathode current of an aluminum electrolytic cell. It is widely used in electrolytic cells in the electrolytic aluminum production process. Background technique [0002] The aluminum industry occupies an important position in the national economy. The production of modern aluminum industry mainly adopts the electrolysis method to obtain aluminum, that is, a strong direct current is passed through the electrolytic cell, and electrolysis is carried out at the cathode and anode. During the aluminum production process, ensuring the stability of aluminum electrolytic cells has always been one of the key factors to facilitate optimized production. The electrolytic cell is affected by many factors such as the temperature in the cell, especially in the roasting stage, due to the uneven current distribution, the bottom of the cell is cracked, resu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/20
Inventor 龚文俊
Owner XUNDI SCI & TECH HUBEI PROV
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