Electric boosting electrode device

An electrode device and electric boosting technology, applied in electric furnaces, furnace types, furnaces, etc., can solve the problems of chemical erosion and physical wear of refractory materials, accelerated electrode port material damage, material temperature rise, etc., to achieve simple structure, reduce The difficulty of material selection and the effect of prolonging the service life

Inactive Publication Date: 2011-08-17
QINHUANGDAO KAIWEI SCI & TECH +1
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Problems solved by technology

[0008] As we all know, during the process of melting glass, the temperature rise of the molten glass near the electrode tip is the highest, resulting in the strongest convection near the electrode tip; and because molybdenum is a good heat-conducting material, this causes the temperature rise of the bottom or wall material in contact with the electrode tip. Hi

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Embodiment Construction

[0020] Such as figure 2 As shown, the material of the electrode head (1) is molybdenum metal, the shape is cylindrical, the diameter is 60mm, the length is 500mm, and the center of the lower end is processed with an internal thread with a depth of 40mm and a middle diameter of 40mm; the insulating sleeve (2) is a 99 alumina ceramic tube , outer diameter 55mm, wall thickness 3mm, length 200mm.

[0021] The cooling water pipeline (3) is made of heat-resistant stainless steel, with an upper length of 40 mm and an external thread with a middle diameter of 40 mm; a middle outer diameter of 47 mm and a length of 200 mm; a lower outer diameter of 60 mm and a length of 1500 mm, with an inlet pipe (5) for water supply and return Water pipe (4) outlet, used water adopts demineralized circulating water, and the control water temperature is not higher than 60 ℃. The electrical wiring board (6) is made of T1 electrolytic copper, which is welded on the outer diameter of the cooling water ...

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Abstract

The invention relates to an electric boosting electrode device, in particular to an electrode device with a cooling and insulating structure, and belongs to the field of glass production tank furnace melting. The electrode device consists of an electrode head (1), an insulated sleeve (2) and a cooling water pipeline (3), wherein the cooling water pipeline (3) is simultaneously used as a lead of the electrode device; and the electrode device is inserted into a specific position in molten glass, the insulated sleeve (2) is connected with the molten glass and the tank bottom (or the tank wall) on the premise of internal cooling, and the insulated sleeve (2) plays a role in protecting the refractory material of the tank bottom (or the tank wall) around the insertion hole of the electrode device under the conditions of high temperature and strong convection around the electrode head (1).

Description

technical field [0001] The invention relates to an electrode device with a cooling and insulating structure, which belongs to the field of glass production pool kiln melting. Background technique [0002] While using fossil fuel flame to melt the glass, directly introduce electric energy into the molten glass to produce the "Joule effect", so as to achieve the purpose of auxiliary heating of the molten glass. The equipment that introduces electric energy is called auxiliary electric heating system, referred to as electric boosting system. [0003] While most electric boosting systems are installed to increase production, there are many furnaces where they are installed to improve glass quality, or to partially replace fuel to address operational issues. The electric boosting system can improve the quality of glass, especially in kilns using low calorific value fuels (such as gas). Furnaces equipped with electric boosting systems can increase production accordingly when the ...

Claims

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Application Information

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IPC IPC(8): C03B5/027
Inventor 肖凯生胡玉良董彦敏王伟张小良刘向前柴玉华
Owner QINHUANGDAO KAIWEI SCI & TECH
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