High-strength casting gypsum powder

A technology for raw gypsum powder and gypsum, applied in the field of gypsum, can solve problems such as unsatisfactory processing quality, and achieve the effects of stable product index and high quality, environmental protection, and stable finished powder

Inactive Publication Date: 2018-06-12
应城市嘉鸿技术服务科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-strength casting gypsum powder, which has the advantages of simpler process and better processing effect, and solves the problem of unsatisfactory processing quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A high-strength casting gypsum powder, including the following raw materials: 30 parts of raw gypsum powder, 34 parts of β-type hemihydrate gypsum powder, 13 parts of white carbon black, 28 parts of high aluminum powder, 0.8 parts of calcium carbonate powder, sulfuric acid 0.6 parts of calcium powder, 0.1 parts of retarder, 0.7 parts of latex glue, 1.3 parts of alkali powder, 2.4 parts of water glass, 0.4 parts of defoamer and 0.6 parts of inorganic fiber;

[0026] A preparation method of high-strength casting gypsum powder, comprising the following steps:

[0027] 1) Mix 30 parts of raw gypsum powder, 34 parts of β-type hemihydrate gypsum powder, 13 parts of white carbon black, 28 parts of high alumina powder, 0.8 parts of calcium carbonate powder, 0.6 parts of calcium sulfate powder, 0.1 part of retarder, and 0.7 parts of milky white glue part, 1.3 parts of alkali powder, 2.4 parts of water glass, 0.4 part of defoamer and 0.6 part of inorganic fiber are mixed with wat...

Embodiment 2

[0033] A high-strength casting gypsum powder, comprising the following raw materials: 20 parts of raw gypsum powder, 25 parts of β-type hemihydrate gypsum powder, 8 parts of white carbon black, 18 parts of high alumina powder, 0.3 parts of calcium carbonate powder, sulfuric acid 0.2 parts of calcium powder, 0.01 parts of retarder, 0.2 parts of latex glue, 0.5 parts of alkali powder, 1.3 parts of water glass, 0.2 parts of defoamer and 0.1 part of inorganic fiber.

[0034] A preparation method of high-strength casting gypsum powder, comprising the following steps:

[0035] 1) Mix 20 parts of raw gypsum powder, 25 parts of β-type hemihydrate gypsum powder, 8 parts of white carbon black, 18 parts of high alumina powder, 0.3 parts of calcium carbonate powder, 0.2 parts of calcium sulfate powder, 0.01 part of retarder, and 0.2 parts of milky white glue 0.5 part, 0.5 part of alkali powder, 1.3 part of water glass, 0.2 part of defoamer and 0.1 part of inorganic fiber are mixed with wa...

Embodiment 3

[0041] A high-strength casting gypsum powder, comprising the following raw materials: 25 parts of raw gypsum powder, 30 parts of β-type hemihydrate gypsum powder, 10 parts of white carbon black, 22 parts of high aluminum powder, 0.5 parts of calcium carbonate powder, sulfuric acid 0.4 parts of calcium powder, 0.05 parts of retarder, 0.4 parts of latex glue, 0.9 parts of alkali powder, 1.8 parts of water glass, 0.15 parts of defoamer and 0.3 parts of inorganic fiber.

[0042] A preparation method of high-strength casting gypsum powder, comprising the following steps:

[0043] 1) Mix 25 parts of raw gypsum powder, 30 parts of β-type hemihydrate gypsum powder, 10 parts of white carbon black, 22 parts of high alumina powder, 0.5 part of calcium carbonate powder, 0.4 part of calcium sulfate powder, 0.05 part of retarder, 0.4 part of latex white glue part, 0.9 part of alkali powder, 1.8 part of water glass, 0.15 part of defoamer and 0.3 part of inorganic fiber are mixed with water t...

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Abstract

The invention relates to the technical field of gypsum, and discloses high-strength casting gypsum powder. The high-strength casting gypsum powder comprises, by weight, 20-30 parts of raw gypsum powder, 25-34 parts of beta-type semi-hydrated gypsum powder, 8-13 parts of white carbon black, 18-28 parts of high-aluminum powder, 0.3-0.8 part of calcium carbonate powder, 0.2-0.6 part of calcium sulfate powder, 0.01-0.1 part of retarders, 0.2-0.7 part of milk-white glue, 0.5-1.3 parts of sodium carbonate, 1.3-2.4 parts of water glass, 0.2-0.4 part of defoaming agents and 0.1-0.6 part of inorganic fibers. Preferably, the high-strength casting gypsum powder comprises, by weight, 10-18 parts of raw gypsum powder, 21-31 parts of beta-type semi-hydrated gypsum powder, 7-15 parts of white carbon black, 16-25 parts of high-aluminum powder, 0.2-0.7 part of calcium carbonate powder and 0.1-0.5 part of calcium sulfate powder. The high-strength casting gypsum powder has the advantages that technologies for the high-strength casting gypsum powder are simple, crystals can be stably, completely and thoroughly converted, and the stability and the high quality of product indexes further can be guaranteed; safe discharge can be carried out after processing is completed, accordingly, environments can be protected, energy can be saved, the high-strength casting gypsum powder is environmentally friendly and effectively conforms to technological standards, slurry is stable and is long in storage time, and prepared finished product powder is stable.

Description

technical field [0001] The invention relates to the technical field of gypsum, in particular to a high-strength casting gypsum powder. Background technique [0002] Gypsum is a monoclinic mineral, which is a hydrate whose main chemical composition is calcium sulfate. Gypsum is a widely used industrial material and building material, which can be used in cement retarder, gypsum building products, model making, medical food additives, Sulfuric acid production, paper filler and paint filler, etc., the microporous structure and heating dehydration of gypsum and its products make it have excellent sound insulation, heat insulation and fireproof performance. [0003] Most of the raw materials used in the gypsum grinding process currently used are massive, and the dehydration of dihydrate gypsum is very incomplete, and some dihydrate gypsum exists, which has an extremely adverse effect on the quality of hemihydrate gypsum. It is the gypsum material after crystallization. The slurr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
CPCC04B28/147C04B11/00C04B14/06C04B22/04C04B14/28C04B22/143C04B2103/22C04B24/2635C04B12/04C04B2103/50C04B14/42
Inventor 袁明
Owner 应城市嘉鸿技术服务科技有限公司
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