Crack resistance amorphous acid-proof pouring material, crack resistance acid-proof heat preservation protective layer and manufacturing method thereof
The technology of acid-resistant castable and protective layer is applied in the manufacture of the above-mentioned crack-resistant acid-resistant thermal insulation protective layer, and the field of crack-resistant acid-resistant thermal insulation protective layer can solve the problems of reducing thermal insulation performance, unable to prevent corrosion of equipment shell, and increasing thermal conductivity of thermal insulation layer. , to prevent the expansion of micro-cracks, good thermal insulation performance, good crack resistance
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[0050] Example 1: An amorphous acid-resistant thermal insulation material with crack resistance, the raw material is:
[0051] (1) Water glass: the modulus is M2.6-3.0;
[0052] (2) Powdered sodium fluorosilicate or condensed aluminum phosphate: particle size is less than 100 mesh;
[0053] (3) Porous ceramsite (irregular granular shape) fired with clay: the particle size is 5-40mm;
[0054] (4) Expanded perlite particles: particle size is 1-5mm;
[0055] (5) Diabase powder: particle size is less than 200 mesh;
[0056] (6) Glass fiber yarn: diameter 0.2-1.5mm, length: 15-50mm.
[0057] The proportion of the above materials is 1 part by weight of water glass, diabase powder 1, powdered sodium fluorosilicate 0.17, or condensed aluminum phosphate 0.07, irregular granular clay porous ceramsite 2, expanded perlite particles 0.3, 0.02 for glass fiber yarn.
Example Embodiment
[0058] Example 2: The composition of the raw materials is the same as that of Example 1. The proportion of each material is 1 part by weight of water glass, powdered sodium fluorosilicate is 0.17, or condensed aluminum phosphate 0.07, diabase powder 2, irregular particles Shaped clay porous ceramsite 3, expanded perlite particle 0.6, glass fiber yarn 0.03.
Example Embodiment
[0059] Example 3: The raw material components are the same as in Example 1. The proportion of each material is 1 part by weight of water glass, powdered sodium fluorosilicate is 0.16, or condensed aluminum phosphate is 0.07, diabase powder is 2.5, irregular Granular clay porous ceramsite 3.5, expanded perlite particle 0.8, glass fiber yarn 0.04.
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