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Aluminium electrolysis cell through-current body hot-line welding control system

A technology of aluminum electrolytic cell and control system, which is applied in the control field of aluminum electrolytic cell through-fluid non-stop welding, which can solve problems such as difficult operation, insignificant shielding effect, and easy magnetization of magnetic-conducting materials, and achieves good effect and high degree of automation High and low cost effect

Active Publication Date: 2012-04-11
GUIYANG AL-MG DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The magnetic field shielding method has problems such as the magnetic material is easily magnetized, the shielding effect is not obvious, and the operation is difficult.

Method used

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  • Aluminium electrolysis cell through-current body hot-line welding control system
  • Aluminium electrolysis cell through-current body hot-line welding control system
  • Aluminium electrolysis cell through-current body hot-line welding control system

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Example 1: When welding the cathode steel rod and the aluminum soft strip, a mechatronic shunt device 3 is installed between the maintenance tank 1 and the downstream tank 2, and the aluminum electrolytic tank passes the expert guidance and the process monitoring unit 4 to the maintenance tank 1 The temperature and current of the bus system 5 and the shunt device 3 and the bus system 5 of the downstream slot 2 are monitored online, and the current and temperature signals are input to the expert guidance and process monitoring unit 4 through the detection input function module, and the function module is compared with the standard value according to the standard value. The pre-set standard threshold range is compared with the warning threshold range. If the current or temperature data is not within the standard threshold range, the light and voice alarm will be issued through the sound and light alarm function module, and the detected The current and temperature data are ...

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Abstract

The invention discloses an aluminium electrolysis cell through-current body hot-line welding control system, comprising a maintenance tank (1), a downstream tank (2) and a bus system (5), wherein a mechanical-electrical shunt device is arranged between the maintenance tank (1) and the downstream tank (2), the surfaces of the mechanical-electrical shunt device (3) and the bus system (5) are provided with thermoelectric sensors which are connected with an expert guiding and process monitoring unit (4) electrically. The aluminium electrolysis cell through-current body hot-line welding control system disclosed by the invention solves the problems that a thermit reaction has a high requirement on the spatial size of a welded position, a special thermit container is short in use period and high in cost, a reagent formula needs to be determined by exploration, a mode for shielding a dangerous magnetic field adopts an easily magnetized permeability material, and is not obvious in shielding effect and difficult to operate.

Description

technical field [0001] The invention relates to the technical field of aluminum electrolytic cell control, in particular to a control technology for aluminum electrolytic cell flow-through and non-stop welding. Background technique [0002] The live welding technology of aluminum electrolytic cell through fluid is the continuation of the research of aluminum electrolytic technology in production practice. The connection of aluminum electrolytic cell cathode steel rod and cathode soft belt generally has two methods: welding and crimping, and the welding pressure drop is generally higher than that of crimping. The voltage drop is 10-20mV, so the connection between the cathode steel rod and the cathode soft belt is more conducive to energy saving. With the continuous enlargement of the electrolytic cell, the magnetic field at the welding place of the electrolytic cell above 240kA is gradually increasing, and live welding is basically not allowed. The maintenance and transformat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/20C25C3/16
Inventor 杨涛王紫千曹斌杨世勇
Owner GUIYANG AL-MG DESIGN & RES INST
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