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Sealing mastic for funneled bricks

A funnel brick and sealant technology, applied in the field of refractory materials, can solve the problems of low strength, poor fire resistance, poor bonding effect, etc.

Inactive Publication Date: 2016-03-30
浙江长兴强立耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technical defects are: poor bonding effect, low strength and poor fire resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The raw material composition of the funnel brick sealing putty is as follows: 15-30% of 0-1mm grade 88 bauxite particles, 15-30% of 0-1mm brown corundum particles, 15-30% of brown corundum powder, and 10% of clay powder. ~20%, additives 1~2% and binders 5~6%. The bonding agent adopts resin. The proportion of the resin is 35-45% of the powder.

[0012] The preparation method is as follows: the materials with larger particles among the above raw materials are crushed and pulverized in a crusher, and then the raw materials of various components are subjected to particle size classification, and then the composition ratio and particle size gradation are formed according to the above ratio, and finally after mixing The treatment of the equipment makes the grade material with uniform distribution of particles in each component.

Embodiment 2

[0014] The raw material composition of the funnel brick sealing putty is as follows: 15-30% of 0-1mm grade 88 bauxite particles, 15-30% of 0-1mm brown corundum particles, 15-30% of brown corundum powder, and 10% of clay powder. ~20%, additives 1~2% and binders 5~6%. The bonding agent adopts resin. The proportion of the resin is 35-45% of the powder.

[0015] The preparation method is as follows: the materials with larger particles among the above raw materials are crushed and pulverized in a crusher, and then the raw materials of various components are subjected to particle size classification, and then the composition ratio and particle size gradation are formed according to the above ratio, and finally after mixing The treatment of the equipment makes the grade material with uniform distribution of particles in each component.

[0016] The above two embodiments use brown corundum raw materials in different proportions, so that the produced sealing putty has different empha...

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PUM

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Abstract

The present invention relates to a sealing mastic for funneled bricks. The sealing mastic comprises the following raw materials: 15-30% of 0-1 mm 88-grade alumina particles, 15-30% of 0-1 mm brown corundum particles, 15-30% of brown corundum powders, 10-20% of clay powder, 1-2% of an additive and 5-6% of a binding agent. According to the sealing mastic, by adopting the raw materials with high refractoriness, the using temperature of the sealing mastic is increased, the adhesiveness and strength are greatly increased, and the impact resistance is good.

Description

technical field [0001] The invention relates to refractory materials, in particular to a funnel brick sealing mortar. Background technique [0002] Cast steel pouring castings and steel ingots need funnel bricks, and molten steel flows into the flow steel bricks through the funnel bricks. Usually, if the connection between the funnel bricks and the flow steel bricks is not tight, it is easy for air to enter or molten steel to seep out, which will affect the quality of the castings. Seal the straight-through connection between the funnel brick and the flow steel brick with cement. In the prior art, the materials used for joint sealing of metallurgical refractory brick masonry are mainly clay refractory mud, which is composed of refractory powder, binder and admixture. The existing technical defects are: poor bonding effect, low strength and poor fire resistance. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the object of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 侯兆田胡竹生吴国强杨利强杨宗平吴建
Owner 浙江长兴强立耐火材料有限公司
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