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Heating equipment and process for noble metal stock path

A technology of heating device and electric heating device, applied in the direction of feeding trough, glass production, etc., can solve the problems of overflow of molding machine, unable to produce normally, unable to meet the production requirements of precious metal forehearth, etc., so as to reduce energy consumption and save production. cost, the effect of meeting production needs

Inactive Publication Date: 2011-01-26
HENAN GUOKONG YUFEI ELECTRONICS GLASS
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 3) Stabilize the feeding temperature: the temperature change in the feeding area will directly cause the overflow of the molding machine to prevent normal production
The traditional heating method cannot meet the production requirements of the precious metal forehearth

Method used

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  • Heating equipment and process for noble metal stock path
  • Heating equipment and process for noble metal stock path
  • Heating equipment and process for noble metal stock path

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] Combine below figure 1 , 2 , 3 illustrates the implementation method of the present invention.

[0034] A heating device for a precious metal forehearth, comprising a molten glass lifting zone 2 connected to a melting pool 1, a clarification zone 3 connected to the lifting zone 2, a stirring zone 4 connected to the clarifying zone 3, The cooling zone 5 connected with the stirring zone 4, the feeding zone 6 connected with the cooling zone 5, the heating control unit 7 responsible for heating each zone and the measuring device 8 for measuring the temperature in each zone are characterized in that:

[0035] In the stirring zone 4, a direct electric heating device is provided, and the direct electric heating device is a heating control unit 7 with direct current low voltage and high current directly connected to the noble metal tube wall,

[0036] An indirect electric heating device is provided in the cooling zone 5 and the feeding zone 6. The indirect electric heating de...

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Abstract

The invention relates to a precious metal material channel heating device and a method which are used during the manufacturing process of flat glass and can achieve the purpose of providing the high-quality glass to a molding zone, the precious metal material channel heating device comprises a glass liquid upper extraction zone, a clarification zone, a stirring zone, a cooling zone, a material supply zone, a heating control unit for heating various zones and a measurement device for measuring the temperature of various zones, a direct electric heating device is arranged in the stirring zone, the direct electric heating device is the direct current low-voltage and high-current heating control unit which is connected on the wall of a precious metal pipe, indirect electric heating devices are arranged in the cooling zone and the material supply zone, the indirect electric heating devices wind precious metal heating wires outside the wall of the precious metal material channel pipe or adhere silicon carbide heating plates on the outside of the wall of the precious metal material channel, the precious metal heating wires or the silicon carbide heating plates are connected with the heating control unit, mixed electric heating devices are arranged in the upper extraction zone and the classification zone, and the precious metal material channel heating device has the advantages of reducing pollution, saving energy, improving production efficiency and having high glass quality.

Description

technical field [0001] The invention relates to a noble metal material channel heating device and method used in the flat glass manufacturing process to provide high-quality glass to a forming area. Background technique [0002] The forehearth is the channel connecting the glass pool furnace and the forming device. The glass liquid circulating inside is clarified, stirred, cooled, re-clarified, and temperature gradient is adjusted and controlled to obtain uniform and stable glass for mass production. The working condition of the forehearth directly affects the quality and output of the formed glass liquid flow, especially in the production of special glass, especially in the production of liquid crystal flat glass. If there is no ideal forehearth and reliable heating process and method It is impossible to obtain stable production. [0003] The process parameters to reach the forming glass melt depend to a large extent on the uniformity of the glass melt in the forehearth, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B7/06
CPCY02P40/57
Inventor 肖继温郑绍文苏记华
Owner HENAN GUOKONG YUFEI ELECTRONICS GLASS
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