Water-based refractory heat-preservation coating and preparation process thereof
A technology of refractory heat preservation and preparation technology, which is applied in the field of refractory materials, can solve the problems of poor heat insulation effect and short service life of coatings, and achieve the effect of small thermal stress and low thermal conductivity
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Embodiment 1
[0015] Water-based refractory and thermal insulation coatings, refractory bricks are made of the following raw materials in parts by weight:
[0016] 21 parts of quartz sand, 10 parts of vermiculite, 10 parts of sodium silicate, 18 parts of expanded perlite, 18 parts of calcined kaolin, 18 parts of attapulgite, 13.5 parts of diatomite, 6 parts of hexagonal silicon nitride, vitrification 8 parts of microbeads, 8 parts of tungsten carbide, 6 parts of gypsum, 10 parts of additives, 28 parts of water.
[0017] The auxiliary agent is made of the following raw materials in parts by weight: 1.5 parts of maleic anhydride, 6 parts of starch, 2.5 parts of soybean peptide, 1.5 parts of pentaerythritol, and 1.5 parts of diethyl azodicarboxylate; its preparation method is: The raw materials are mixed and stirred in a mixer at 2000 rpm for 30 minutes to obtain the auxiliary agent.
[0018] The preparation technology of water-based refractory thermal insulation coating comprises the followi...
Embodiment 2
[0023] Water-based refractory and thermal insulation coatings, refractory bricks are made of the following raw materials in parts by weight:
[0024] 20 parts of quartz sand, 8 parts of vermiculite, 8 parts of sodium silicate, 16 parts of expanded perlite, 16 parts of calcined kaolin, 16 parts of attapulgite, 11.5 parts of diatomite, 4 parts of hexagonal silicon nitride, vitrified 6 parts of microbeads, 6 parts of tungsten carbide, 4 parts of gypsum, 8 parts of additives, 25 parts of water.
[0025] The auxiliary agent is made of the following raw materials in parts by weight: 1 part of maleic anhydride, 5 parts of starch, 2 parts of soybean peptide, 1 part of pentaerythritol, and 1 part of diethyl azodicarboxylate; its preparation method is: The raw materials are mixed and stirred in a mixer at 2000 rpm for 30 minutes to obtain the auxiliary agent.
[0026] The preparation technology of water-based refractory thermal insulation coating comprises the following steps:
[0027...
Embodiment 3
[0031] Water-based refractory and thermal insulation coatings, refractory bricks are made of the following raw materials in parts by weight:
[0032] 22 parts of quartz sand, 12 parts of vermiculite, 12 parts of sodium silicate, 20 parts of expanded perlite, 20 parts of calcined kaolin, 20 parts of attapulgite, 15.5 parts of diatomite, 8 parts of hexagonal silicon nitride, vitrification 10 parts of microbeads, 10 parts of tungsten carbide, 8 parts of gypsum, 12 parts of additives, 30 parts of water.
[0033] The auxiliary agent is made of the following raw materials in parts by weight: 2 parts of maleic anhydride, 8 parts of starch, 3 parts of soybean peptide, 2 parts of pentaerythritol, and 2 parts of diethyl azodicarboxylate; its preparation method is: The raw materials are mixed and stirred in a mixer at 2000 rpm for 30 minutes to obtain the auxiliary agent.
[0034] The preparation technology of water-based refractory thermal insulation coating comprises the following ste...
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