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 inn

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

Examples

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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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