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Titanium gypsum building cement mortar and preparation method thereof

A technology of building cement and titanium gypsum, which is applied in the field of titanium dioxide production, can solve the problems that titanium gypsum cannot be directly used as building cement mortar, and achieve the effects of saving neutralized raw materials, improving bonding strength, and saving costs

Inactive Publication Date: 2020-05-05
安徽迪诺环保新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing titanium gypsum cannot be directly used as building cement mortar, so a kind of titanium gypsum building cement mortar and its preparation method are provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: The cement gypsum mortar of this embodiment, the mass percent of each component is: gypsum 20%, cement 9.8%, sand 67.2%, thickener 0.6%, polymer resin 0.6%, redispersible latex powder 1.2%, retarder 0.6%; The preparation method of the cement gypsum mortar of this embodiment is

[0017] S1: Concentration of waste acid: the waste acid produced in the production of titanium dioxide by the sulfuric acid method is collected, and the collected waste acid is sent to the primary preheater and the secondary preheater for preheating; the preheated waste acid enters the thin film evaporator Dehydration and concentration: use the secondary steam generated by the dehydration and concentration of waste acid, after washing and neutralization, through the primary compressor and secondary compressor to increase the pressure and temperature, and send it to the thin film evaporator as the heating steam source; the qualified product after dehydration and concentration The was...

Embodiment 2

[0022] Embodiment 2: The cement gypsum mortar of this embodiment, the mass percent of each component is: gypsum 23%, cement 11.8%, sand 63.7%, thickener 0.3%, polymer resin 0.3%, redispersible latex powder 0.6%, retarder 0.3%;

[0023] The preparation method of the cement gypsum mortar of this embodiment is

[0024] S1: Concentration of waste acid: the waste acid produced in the production of titanium dioxide by the sulfuric acid method is collected, and the collected waste acid is sent to the primary preheater and the secondary preheater for preheating; the preheated waste acid enters the thin film evaporator Dehydration and concentration: use the secondary steam generated by the dehydration and concentration of waste acid, after washing and neutralization, through the primary compressor and secondary compressor to increase the pressure and temperature, and send it to the thin film evaporator as the heating steam source; the qualified product after dehydration and concentrati...

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Abstract

The invention discloses titanium gypsum building cement mortar and a preparation method thereof. The preparation method comprises the following preparation steps: concentrating waste acid, preparing titanium gypsum, reducing the moisture content of the titanium gypsum, selecting materials, mixing and stirring, and forming a product. According to the preparation method, a novel method for reducingthe moisture content of the titanium gypsum is adopted, gypsum and ferric salt are reduced and separated, the color of the gypsum is changed from red and yellow to white, and the defects of gypsum such as high moisture content, large viscosity and high impurity content are overcome.

Description

technical field [0001] The invention relates to the field of titanium dioxide production, in particular to a titanium gypsum building cement mortar and a preparation method thereof. Background technique [0002] A large amount of industrial by-product gypsum is produced in industrial production, which not only occupies a large amount of land, but also pollutes groundwater, which has serious environmental protection problems and increases the cost of enterprises. Compared with traditional cement mortar, cement gypsum mortar has a wide range of raw materials and a higher waste rate. The research and development and practical application of cement gypsum mortar respond to the national call for energy conservation, comprehensive utilization of resources, and development of green building materials, and national development guidelines meet each other. The advantage is that it has lower energy consumption and less carbon dioxide emission, and realizes both ecological benefit and ...

Claims

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Application Information

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IPC IPC(8): C04B11/26C04B28/14
CPCC04B11/262C04B28/142C04B2111/00017C04B2201/50C04B7/02C04B14/06C04B2103/44C04B24/24C04B2103/0057C04B2103/22
Inventor 荚玉冬王乾坤
Owner 安徽迪诺环保新材料科技有限公司