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Anti-erosion refractory castable for waste medical incinerator lining and preparation method of anti-erosion refractory castable

A refractory castable and anti-erosion technology, which is applied in the field of refractory castable production, can solve the problems of poor corrosion resistance of refractory castables, and achieve the effect of strong anti-corrosion effect and small erosion area

Inactive Publication Date: 2022-04-15
郑州汇鑫隆耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of anti-corrosion refractory castable and preparation method for the inner lining of waste medical incinerator, aiming to solve the problem of poor corrosion resistance of refractory castable in the prior art

Method used

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  • Anti-erosion refractory castable for waste medical incinerator lining and preparation method of anti-erosion refractory castable
  • Anti-erosion refractory castable for waste medical incinerator lining and preparation method of anti-erosion refractory castable

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Embodiment 1

[0018] An anti-corrosion refractory castable for waste medical incinerator lining and its preparation method, comprising the following raw materials in parts by weight: 80 parts of brown corundum, 30 parts of periclase, 10 parts of silica, 25 parts of calcium silicate cement, calcium silicate 10 parts, 5 parts of calcium aluminoferrite, 3 parts of admixture, according to the weight ratio, firstly crush brown corundum, periclase, silica, calcium silicate and calcium aluminoferrite into powders and then mix them uniformly to obtain Refractory castables.

[0019] After the brown corundum is crushed, sieve and select the brown corundum with a particle size of 200-700 μm.

[0020] After the periclase is crushed, sieve and select the periclase with a particle size of 100-200 μm.

[0021] After the silica is crushed, sieve and select the silica with a particle size of 700-900 μm.

[0022] The powder of brown corundum, periclase, silica, calcium silicate and calcium aluminoferrite m...

Embodiment 2

[0026] An anti-corrosion refractory castable for the lining of waste medical incinerators and its preparation method, comprising the following raw materials in parts by weight: 90 parts of brown corundum, 30 parts of periclase, 10 parts of silica, 25 parts of calcium silicate cement, calcium silicate 10 parts, 5 parts of calcium aluminoferrite, 3 parts of admixture, according to the weight ratio, firstly crush brown corundum, periclase, silica, calcium silicate and calcium aluminoferrite into powders and then mix them uniformly to obtain Refractory castables.

[0027] After the brown corundum is crushed, sieve and select the brown corundum with a particle size of 200-700 μm.

[0028] After the periclase is crushed, sieve and select the periclase with a particle size of 100-200 μm.

[0029] After the silica is crushed, sieve and select the silica with a particle size of 700-900 μm.

[0030] The powder mixed with the brown corundum, periclase, silica, calcium silicate and calc...

Embodiment 3

[0034] An anti-corrosion refractory castable for the lining of waste medical incinerators and its preparation method, comprising the following raw materials in parts by weight: 100 parts of brown corundum, 20 parts of periclase, 5 parts of silica, 15 parts of calcium silicate cement, calcium silicate 5 parts, 2 parts of calcium aluminoferrite, 2 parts of admixture, according to the weight ratio, first crush brown corundum, periclase, silica, calcium silicate and calcium aluminoferrite into powders and then mix them uniformly to obtain Refractory castables.

[0035] After the brown corundum is crushed, sieve and select the brown corundum with a particle size of 200-700 μm.

[0036] After the periclase is crushed, sieve and select the periclase with a particle size of 100-200 μm.

[0037] After the silica is crushed, sieve and select the silica with a particle size of 700-900 μm.

[0038] The powder mixed with the brown corundum, periclase, silica, calcium silicate and calcium...

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Abstract

The invention provides a waste medical incinerator lining anti-erosion refractory castable and a preparation method thereof, and relates to the technical field of refractory castable, The waste medical incinerator lining anti-erosion refractory castable and the preparation method thereof comprise the following raw materials by weight: 80-100 parts of brown fused alumina, 20-30 parts of periclase, 5-10 parts of silica, and 15-25 parts of calcium silicate cement. The preparation method comprises the following steps: respectively crushing the brown fused alumina, periclase, silica, calcium silicate and calcium aluminoferrite into powder according to the weight ratio, and uniformly mixing to obtain the refractory castable; the refractory castable prepared by the invention is located in a severe environment of the same incinerator, the erosion area is small, the erosion depth is shallow, and the prepared refractory castable has a strong anti-erosion effect.

Description

technical field [0001] The invention relates to the technical field of refractory castable production, in particular to an anti-corrosion refractory castable for waste medical incinerator lining and a preparation method thereof. Background technique [0002] The incinerator is a kind of harmless treatment equipment commonly used in the harmless treatment of medical and domestic waste and animals. The incinerator has a huge volume and a correspondingly large weight; during the incineration process of waste, the temperature generated is too high , can reach a high temperature of 1200 ° C, and the refractory structure set in the furnace is made of refractory materials. [0003] A preparation method of a refractory castable is disclosed in the Chinese patent whose authorized notification number is CN102718512B. The raw material composition and weight ratio of the refractory castable are: a thermal shock resistant corundum-spinel refractory castable, which The ratio of raw mater...

Claims

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Application Information

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IPC IPC(8): C04B35/101C04B35/622
CPCC04B35/101C04B35/622C04B2235/3206C04B2235/3454C04B2235/3418C04B2235/327C04B2235/9607C04B2235/9669
Inventor 张建东宋发明
Owner 郑州汇鑫隆耐火材料有限公司
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