Cement grinding aid

A cement grinding aid and weight ratio technology, applied in the field of liquid cement grinding aids, can solve the problems of underutilization, inhomogeneity of macromolecular polydispersity, physical and chemical properties, and structural complexity, etc. The effect of improving gradation, increasing material fluidity and improving grinding efficiency

Active Publication Date: 2015-03-25
GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Lignin, a natural high-molecular compound with huge yield, renewable and biodegradable, has not been fully and effectively u

Method used

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  • Cement grinding aid

Examples

Experimental program
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Effect test

Embodiment 1

[0014] The following raw materials are weighed in parts by weight: diethanol monoisopropanolamine 10kg, triethanolamine 5kg, sodium acetate 4kg, sodium thiosulfate 10kg, sodium chloride 12kg, hydroxyethyl cellulose 6kg, papermaking black liquor 18kg, Mix and stir for 30 minutes to obtain the cement grinding aid product.

Embodiment 2

[0016] The following raw materials are weighed in parts by weight: diethanol monoisopropanolamine 15kg, triethanolamine 3kg, sodium acetate 6kg, sodium thiosulfate 6kg, sodium chloride 10kg, hydroxyethyl cellulose 6kg, papermaking black liquor 15kg, Mix and stir for 30 minutes to obtain the cement grinding aid product.

Embodiment 3

[0018] The following raw materials are weighed according to the weight ratio: diethanol monoisopropanolamine 12kg, triethanolamine 4kg, sodium acetate 5kg, sodium thiosulfate 8kg, sodium chloride 11kg, hydroxyethyl cellulose 7kg, papermaking black liquor 16kg, Mix and stir for 30 minutes to obtain the cement grinding aid product.

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PUM

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Abstract

The invention discloses a cement grinding aid. The cement grinding aid is prepared from the following ingredients in parts by weight: 10-15 parts of diacetal monoisopropanolamine, 3-5 parts of triethanolamine, 4-6 parts of sodium acetate, 6-10 parts of sodium thiosulfate, 10-12 parts of sodium chloride, 6-8 parts of hydroxyethyl cellulose and 15-18 parts of papermaking black liquor. The cement grinding aid disclosed by the invention is low in consumption, good in enhancement effect and low in cost.

Description

technical field [0001] The invention belongs to the technical field of cement production and processing, and in particular relates to a liquid cement grinding aid. Background technique [0002] Cement grinding aid is a chemical additive that improves the grinding effect and performance of cement. It can significantly increase the output of cement table, the strength of cement of all ages, and improve its fluidity. Cement grinding aids can greatly reduce the phenomenon of electrostatic adsorption and ball formation during the grinding process, and can reduce the tendency of re-agglomeration of ultrafine particles formed during the grinding process. Cement grinding aids can also significantly improve the fluidity of cement, improve the grinding effect of the mill and the powder selection efficiency of the powder separator, thereby reducing the energy consumption of grinding. Cement produced with grinding aids has a lower tendency to compact and agglomerate, which facilitates ...

Claims

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Application Information

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IPC IPC(8): C04B24/38C04B24/12C04B22/14C04B103/52
Inventor 尹丹黄煌陈威王恒阮长泰
Owner GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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