A top heating device for platinum channel stirring tank
A technology of heating device and platinum channel, which is applied in the direction of manufacturing tools, glass furnace equipment, glass manufacturing equipment, etc., can solve the problems of defects and falling of glass plates, and achieve the effect of preventing accumulation from falling into the glass liquid
Active Publication Date: 2021-08-13
IRICO DISPLAY DEVICES
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Problems solved by technology
[0003] The purpose of the present invention is to provide a top heating device of a platinum channel stirring tank, which solves the problem that condensation is easily formed on the top of the existing platinum channel stirring tank, and the condensation falls in a large amount in the stirring tank with the rotation of the stirring rod , leading to the problem of defects appearing in the precipitated glass plate
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] The invention provides a top heating device for a stirred tank with a platinum channel, which suppresses the condensation of platinum-rhodium metal volatiles by increasing the ambient temperature of the top cavity of the stirred tank, and moves the cooling and condensing area upward to make it in a fixed position. Condensation is accumulated in the area, and the design of the structure here can regularly replace the brick material accumulated by the condensate to reduce the possibility of the condensate falling.
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The top heating device of a platinum channel stirring tank provided by the present invention includes a heating device body set on the heating brick on the top of the platinum channel stirring tank, one end of the heating device body is open, the other end is closed, and a mounting device is provided on the closed end. Holes; a cavity area is set between the heating device body and the heating brick on the top of the platinum channel stirring tank; the heating device body is provided with several heating rods along its circumferential direction, one end of the heating rod is placed in the cavity area, and the other end passes through the The overheating device body is placed outside the upper end of the heating device body; a heat preservation cover is detachably installed in the installation hole, and a through hole is opened on the heat preservation cover; this structure can not only protect the internal heater The temperature insulation can also effectively increase the temperature of the internal cavity at the top of the stirring tank to over 1400°C, reducing the conditions for the condensation of platinum and rhodium volatiles in this area. The volatile condensate accumulates and falls into the molten glass.
Description
technical field [0001] The invention belongs to the technical field of substrate glass manufacturing, and in particular relates to a top heating device of a platinum channel stirring tank. Background technique [0002] In the manufacturing process of substrate glass, the high-temperature molten glass melted by the furnace needs to flow through the platinum channel equipment, which is a very important area. Its main function is to clarify and homogenize the melted high-temperature molten glass. Since the platinum channel is made of platinum-rhodium alloy material as a whole, although the platinum-rhodium material has very stable high-temperature and corrosion-resistant capabilities, it is not suitable for long-term sustainability. Oxidation and volatilization of platinum and rhodium are unavoidable under working conditions. Especially in the stirred tank area, due to its special device structure, there will be an open area on the top that communicates with the outside world,...
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IPC IPC(8): C03B5/185
CPCC03B5/185
Inventor 王梦龙杨威
Owner IRICO DISPLAY DEVICES