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 โ„ƒ and the health impact of operators, and achieve low price and lighten Worker labor intensity, simple maintenance effect
CN101463489AInactive Publication Date: 2009-06-24GUIYANG AL-MG DESIGN & RES INST
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
GUIYANG AL-MG DESIGN & RES INST
Publication Date
2009-06-24
Estimated Expiration
Not applicable ยท inactive patent

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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.
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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 โ„ƒ, 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 ยฐC, 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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