Industrial heat-insulation coating dry powder and making method thereof
A technology for thermal insulation coating and industrial use, which is applied in the field of industrial thermal insulation coating dry powder and its production. It can solve the problems of low performance of calcium silicate coating, high price of rock wool, unsuitable for long-distance transportation, etc., achieve good adhesion and improve crack resistance. sexual effect
Inactive Publication Date: 2012-01-11
平顶山市中裕新材料制造有限公司
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Problems solved by technology
Rock wool and calcium silicate coatings have certain defects and shortcomings. Rock wool is not only expensive, but also not suitable for special-shaped parts; calcium silicate coatings have low performance, and paste coatings are easy to agglomerate, which is not suitable for long-distance transportation.
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0011] In this embodiment, the raw material ratio for producing industrial thermal insulation coating dry powder is (by weight): 40 parts of aluminate cement; 5 parts of powdered dihydrate gypsum; 6.5 parts of quicklime; 13.5 parts of kaolin powder; 15 parts Sepiolite powder; 10 parts of sepiolite wool; 4 parts of naphthalene-based water reducer; 5 parts of instant sodium silicate; 1 part of hydroxypropyl methylcellulose (HPMC). When making, first take quicklime, kaolin powder and sepiolite powder and pass through a 200-mesh sieve, then take the sieved quicklime, kaolin powder and sepiolite powder according to the ratio for use; the rest of the raw materials are also taken according to the ratio; No more than ±1%; the sepiolite wool is made of 1-5 mm sepiolite wool, which is soaked and broken up with penetrating agent in advance, added to a mixing mixer, and then the rest of the original raw materials are added and mixed in turn The mixer stirs and mixes evenly, and discharges...
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Abstract
The invention discloses industrial heat-insulation coating dry powder and a making method thereof. The industrial heat-insulation coating dry powder contains the following raw materials: 40 parts by weight of cement, 5 parts by weight of gypsum powder, 6.5 parts by weight of quicklime, 13.5 parts by weight of kaolin powder, 15 parts by weight of sepiolite powder, 10 parts by weight of sepiolite amianthus, 4 parts by weight of naphthaline water reducers, 5 parts by weight of instant sodium silicate and 1 part by weight of hydroxypropyl first-grade methyl cellulose. The making method comprises the following steps of: taking the materials by the proportions; soaking and scattering the sepiolite amianthus by using penetrating agents in advance and adding the soaked and scattered sepiolite amianthus in a mixing stirrer; then sequentially adding other raw materials in the mixing stirrer for uniformly mixing and stirring; and discharging and packaging to obtain the industrial heat-insulationcoating dry powder. The making method reduces the making cost of an industrial heat-insulation coating and improves the viscosity and the waterproofing and crack-resistant performance of the coating.
Description
technical field [0001] The invention relates to the field, in particular to an industrial thermal insulation coating dry powder and a preparation method thereof. Background technique [0002] At present, rock wool and calcium silicate coatings are generally used for thermal insulation of industrial pipelines, reactors, storage tanks, furnaces and other equipment. Rock wool and calcium silicate coatings have certain defects and shortcomings. Rock wool is not only expensive, but also not suitable for special-shaped parts; calcium silicate coatings have low performance, and paste coatings are easy to agglomerate, which is not suitable for long-distance transportation. Contents of the invention [0003] In view of this, the purpose of the present invention is to overcome the defects of current similar products, provide a dry powder of industrial thermal insulation coatings and a production method, reduce the production cost of industrial thermal insulation coatings, and improv...
Claims
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IPC IPC(8): C04B28/14C04B14/04
Inventor郭长顺
Owner平顶山市中裕新材料制造有限公司