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Liquid level detector for magnesium electrolytic cell

A technology of liquid level detection and magnesium electrolyzer, which is applied in the direction of measuring device, lubrication indicating device, liquid/fluid solid measurement, etc., can solve the problems of not being able to withstand the high temperature of 720 ℃ and the health impact of operators, and achieve low price and lighten Worker labor intensity, simple maintenance effect

Inactive Publication Date: 2009-06-24
GUIYANG AL-MG DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
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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] The embodiment of the present invention: as shown in the attached 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 collecting chamber of the electrolytic cell, and a method of corresponding length is welded. Flange pipe 3, DN150, PN1.0 flange 4 is welded on flange pipe 3, flange 4 is connected with the stainless steel flange cover plate 5 and the PTFE partition plate 6 that have been opened, and the PTFE partition The plate 6 is covered on 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 with different lengths pass through the flange cover plate 5 and the PTFE partition plate 6 Fixed by thread 10 and nut 7, there is a silicon carbide protection tube 11 between the stainless steel flange cover 5, the PTFE separator 6 and the stainless steel rod 1; eac...

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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 in a magnesium electrolysis production process. Background technique [0002] In the production process of electrolytic magnesium, the measurement of molten magnesium liquid level in the magnesium collecting chamber of the electrolytic cell has always been a difficult problem, because the temperature in the electrolytic cell is as high as 720 ℃, and a large amount of chlorine gas is diffused in the cell, which is highly corrosive. The use of conventional stereotyped level gauge products, such as radar level gauge, ultrasonic, and capacitive level gauge, cannot meet their requirements due to their inability to withstand high temperature of 720 °C, while non-contact level gauges such as nuclear radiation level gauges are used. , it may cause leakage after being corroded, thereby affecting the health of the operato...

Claims

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Application Information

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