Liquid level detector for magnesium electrolytic cell

A technology of liquid level detection and magnesium electrolytic cell, which is applied in the direction of measuring device, lubrication indicator device, liquid/fluid solid measurement, etc., can solve the problems of not being able to withstand the high temperature of 720°C and the health impact of operators, and achieve low price and lighten The effect of labor intensity and strong operability of workers

Inactive Publication Date: 2011-03-30
GUIYANG AL-MG DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a magnesium electrolytic tank liquid level detection device to overcome the shortcomings in the prior art that it cannot withstand high temperatures of 720°C, or may cause corrosion and leakage, which will affect the health of operators.

Method used

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  • Liquid level detector for magnesium electrolytic cell
  • Liquid level detector for magnesium electrolytic cell
  • Liquid level detector for magnesium electrolytic cell

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Embodiment Construction

[0014] Embodiment of the present invention: as shown in the accompanying drawings, according to the position of the highest liquid level and the lowest liquid level in each electrolytic cell, a hole ￠150 is opened on the top of the cover plate 9 of the magnesium collection chamber of the electrolytic cell, and a method of corresponding length is welded. The flange connecting pipe 3 is welded on the flange connecting pipe 3 with a flange 4 of DN150 and PN1.0. The plate 6 covers the flange cover plate 5 for insulation, the upper end of the stainless steel rod 1 has threads 10, and three stainless steel rods 1 of different lengths pass through the flange cover plate 5 and the polytetrafluoroethylene partition 6 Fixed by thread 10 and nut 7, there is a silicon carbide protective tube 11 between the stainless steel flange cover plate 5, the polytetrafluoroethylene partition 6 and the stainless steel rod 1; each stainless steel rod 1 leads to a lead wire 8, and the lead wire 8 is con...

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Abstract

The invention discloses a device for detecting the liquid level of a magnesium electrolysis bath. The top of a cover board (9) of a magnesium collecting room of the electrolysis bath is provided with a hole. A flange joint pipe (3) is welded correspondingly to the hole and is welded with a flange (4) which is connected with a stainless steel flange cover board (5) with a hole and a polyfluortetraethylene clapboard (6). Three stainless steel bars (1) with different length pass through the flange cover board (5) and the polyfluortetraethylene clapboard (6) and are connected by a nut (7). Every stainless steel bar (1) leads out a lead wire (8) which is connected with a relay loop and a control system; wherein, the lower end of one stainless steel bar (1) is flush with the set highest liquid level; the lower end of another stainless steel bar (1) is flush with the set lowest liquid level; the lower end of the other stainless steel bar (1) is lower than the lowest liquid level. A carborundum protection tube is arranged among the flange cover board, the polyfluortetraethylene clapboard and the stainless steel bars.

Description

technical field [0001] The invention relates to a liquid level detection device for molten magnesium liquid in a magnesium collecting chamber of an electrolytic cell during the magnesium electrolysis production process. Background technique [0002] In the production process of electrolytic magnesium, it has always been a difficult problem to measure the molten magnesium liquid level in the magnesium collection chamber of the electrolytic cell, because the temperature in the electrolytic cell is as high as 720°C, and there is a large amount of chlorine gas in the cell, which is very corrosive. Conventional stereotyped level gauge products, such as radar level gauges, ultrasonic, and capacitive level gauges, cannot meet their requirements due to their inability to withstand high temperatures of 720°C, while non-contact level gauges such as nuclear radiation level gauges are used. , it may leak after being corroded, which will affect the health of the operator. [0003] At pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25C3/04G01F23/00
Inventor 蒋勇
Owner GUIYANG AL-MG DESIGN & RES INST
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