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Common casting zirconium corundum fused brick foamed brick casting equipment and casting method

A zirconium corundum electric and foamed brick technology is applied in the field of ordinary casting zirconium corundum electric fused brick foam brick casting equipment, which can solve problems such as high temperature explosion of electric fused bricks, achieve slow heat dissipation, ensure safe operation, and avoid large temperature fluctuations. Effect

Active Publication Date: 2017-05-10
郑州远东耐火材料有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the object of the present invention is to provide a common cast zirconium corundum fused brick foam brick casting equipment and casting method, which can effectively solve the problems of the production of zirconia corundum fused brick foam bricks and electric The problem of high temperature bursting of molten bricks

Method used

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  • Common casting zirconium corundum fused brick foamed brick casting equipment and casting method
  • Common casting zirconium corundum fused brick foamed brick casting equipment and casting method
  • Common casting zirconium corundum fused brick foamed brick casting equipment and casting method

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Embodiment Construction

[0020] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] Depend on Figure 1-3 Given, the present invention includes a casting sand mold, the casting sand mold includes a brick body sand mold 3 and a hollow structure with an upper opening formed by a riser sand mold arranged on the brick body sand mold, and the riser sand mold includes a central feeding riser 6 and a symmetrical Inflatable risers 5 and 7 are arranged on both sides of the feeding riser. The bottom of the brick sand mold 10 is provided with a casting channel 8. The inlet end of the casting channel 8 protrudes upwards, and a casting riser 9 is provided on the protruding end. , the inflatable riser 5,7 is respectively inserted with the inflatable pipeline 4 whose lower end stretches into the brick body sand mold, and the air inlet end of the inflatable pipeline 4 is connected with the air compressor 1 to fo...

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Abstract

The invention relates to common casting zirconium corundum fused brick foamed brick casting equipment and a casting method. The problems of production of the zirconium corundum fused brick foamed brick and high-temperature explosion of the fused brick can be solved effectively. According to the technical scheme, the common casting zirconium corundum fused brick foamed brick casting equipment comprises a casting sand mould, wherein the casting sand mould comprises a brick sand mould and a hollow structure; the hollow structure is arranged on the brick sand mould and is formed by a riser sand mould, and the upper part of the hollow structure is open; the riser sand mould comprises a feeding head and inflating risers which are symmetrically arranged on the two sides of the feeding head; a casting channel is formed at the bottom of the brick sand mould; the inlet end of the casting channel stretches upwards; a casting riser is arranged on the stretched end part; inflating pipelines are inserted in the inflating risers correspondingly; the lower ends of the inflating pipelines stretch into the brick sand mould; and the gas inlet end of each inflating pipeline is connected with an air compressor to form an inflating structure. The equipment and the method have the advantages that the heat-insulating effect is remarkable; the heat-dissipating speed is low; the heat-insulating effect is good; under the high-temperature state, the stress under the hot expansion and cold shrinkage counteracting action of zirconium is completely relieved; and the explosion phenomenon caused by large temperature fluctuation is avoided.

Description

technical field [0001] The invention relates to a common cast zirconium corundum electric fused brick foam brick casting equipment and a casting method. Background technique [0002] In the glass kiln, the zirconium corundum fused bricks at the tongue sill, feed port and slab top are easy to burst during use. The reason for the cracking is due to the characteristics of the zirconia corundum fused brick. The material composition of zirconia corundum fused bricks is: zircon sand, alumina powder, a small amount of soda ash, and trace impurities. The raw materials of electric fused bricks are melted at a high temperature of about 2000 ℃ in an electric arc furnace, and then cast in a mold with silica sand as the main material. It is a kind of reverse expansion property at 1150 °C, the volume becomes smaller when it exceeds 1150 °C, and the volume becomes larger when it is lower than 1150 °C. It is easy to burst, because the flame temperature of these parts fluctuates greatly, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/14
CPCB28B1/14
Inventor 龙沾卫
Owner 郑州远东耐火材料有限公司
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