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Device and method for comprehensively measuring temperature and aluminum level in aluminum electrolytic process

The technology of a measuring device and measuring method, which is applied in the field of aluminum electrolysis, can solve the problems of large relationship between measurement accuracy, operation and experience, and high labor intensity, and achieve the effect of shortening the measurement time and increasing the cost

Inactive Publication Date: 2014-07-30
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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  • Abstract
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Problems solved by technology

The measurement accuracy of this measurement method has a great relationship with the operation and experience of the on-site staff, and the labor intensity is relatively high.

Method used

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  • Device and method for comprehensively measuring temperature and aluminum level in aluminum electrolytic process

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Embodiment Construction

[0012] see figure 1 , the aluminum electrolysis process temperature and aluminum level measuring device of the present invention comprises 8-12 temperature-sensing nodes 3, the temperature-sensing nodes are arranged along a straight line, and the distance between adjacent temperature-sensing nodes 3 is 0.8cm-1.2cm, when in use, These temperature-sensing nodes 3 can be respectively located in the electrolyte and the aluminum liquid. In order to facilitate height adjustment, the sensor is also provided with an adjustable support rod 5, and the height of the support rod 5 is 30cm-50cm.

[0013] The temperature sensing node is preferably a thermocouple, and the temperature sensing node 3 is the joint point of the thermocouple wire 2. The thermocouple wire is drawn out from the lead wire 1 and connected to the data collector (not shown in the figure), and the outer side of the thermocouple wire is covered with a stainless steel sleeve The pipe 4 and the support rod 5 are arranged ...

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Abstract

The invention discloses a device for measuring temperature and aluminum level in the aluminum electrolytic process. The device comprises 8-12 temperature sensing nodes which are linearly arranged, and the distances between adjacent temperature sensing nodes are 0.8-1.2 cm. In measurement, nodes of a sensor are inserted into molten aluminum and electrolyte, and the aluminum level is calculated according to temperature measured by the temperature sensing nodes. The device can be used for measuring electrolyte temperature, molten aluminum temperature and aluminum level at the same time, and measuring time is greatly shortened. In addition, temperature measuring and aluminum level measuring sensors and instruments are integrated, and cost is not increased.

Description

technical field [0001] The invention belongs to the technical field of aluminum electrolysis, and in particular relates to a comprehensive measuring device and method for temperature and aluminum level in an aluminum electrolysis process. Background technique [0002] In the prior art, the electrolyte temperature, liquid aluminum temperature and aluminum level are measured separately in the aluminum electrolysis process. The electrolysis temperature is manually recorded and sorted by thermocouple measurement, and the aluminum level is measured by inserting an iron rod into the aluminum liquid and taking it out. After observing the color change of the iron rod during the cooling process, the measured value of the aluminum level is obtained by manually measuring the length of the iron rod in different colors. The temperature of the molten aluminum is also measured by a thermocouple. Due to high-temperature corrosion, the melt temperature and aluminum level are generally measure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02
Inventor 曾水平张秋萍张玉辉琚廷瑞
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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