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Cement modifier component and preparation method thereof

A technology of cement modifier and cement clinker, which is applied in the field of cement production

Inactive Publication Date: 2016-01-27
ZHENJIANG CHUANSHAN NO 2 CEMENT PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Belongs to the field of cement production technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of cement modifier composition and preparation method:

[0016] The steel slag particles were ground and crushed, 30% water was added as a digestion agent, and 1% dispersant was added to age the steel slag for 1 day. Then, fly ash, lime and gypsum are mixed and fired according to the mass ratio of 8:3:3 to make anti-gelling agent. Afterwards, the treated steel slag and cement clinker are mixed in a ratio of 1:2, and then 1% of anti-gelling agent is added.

Embodiment 2

[0018] A kind of cement modifier composition and preparation method:

[0019] The steel slag particles were ground and pulverized, 40% water was added as a digestion agent, and 1% dispersant was added to age the steel slag for 2 days. Then, fly ash, lime and gypsum are mixed and fired according to the mass ratio of 8:2:3 to make anti-gelling agent. After that, the treated steel slag and cement clinker are mixed according to the ratio of 1:2, and then 1.5% of anti-gelling agent is added.

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PUM

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Abstract

The invention discloses a cement modifier component and a preparation method thereof, especially relates to a cement modifier allowing cement to have wear resistance, corrosion resistance, strong anti-permeability and tiny expansibility, and belongs to the technical field of cement production. The modifier is mainly made of processed steel slag. The steel slag is used as an admixture to accelerate the solidification speed of cement, reduce the expansion coefficient of the cement and make the compressive strength of the cement exceed that of ordinary Portland cement.

Description

[0001] The invention relates to the technical field of cement production, and relates to a cement modifier composition and a preparation method. Background technique [0002] The cement industry is a building material that has a major impact on the production and construction of the national economy. At the same time, the production process of cement will also produce a large amount of waste smoke and waste gas, which is a highly polluting industry that the country focuses on. In the national "Twelfth Five-Year" development plan outline, it is clearly stated that street dance emission reduction should be the top priority. [0003] Steel slag is used as an aggregate instead of natural sandstone for the preparation of concrete. Because the surface of steel slag particles is rough and has many edges and corners, it can improve the bonding performance of aggregates and cement stones. In addition, steel slag has gelling properties, and hydration will occur on the surface of steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B22/14
Inventor 姜川
Owner ZHENJIANG CHUANSHAN NO 2 CEMENT PLANT
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