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An enhanced cement grinding aid

A cement grinding aid and enhanced technology, which is applied in the field of enhanced cement grinding aids, can solve the problems of macromolecular polydispersity, inhomogeneity of physical and chemical properties, structural complexity, and insufficient and effective utilization, and achieve Increase the output per unit, increase the fluidity of materials, and improve the effect of grading

Active Publication Date: 2016-08-17
GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lignin, a natural high-molecular compound with huge yield, renewable and biodegradable, has not been fully and effectively utilized due to its complex structure, polydispersity of macromolecules and heterogeneity of physical and chemical properties.

Method used

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  • An enhanced cement grinding aid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

Embodiment 2

[0016] The following raw materials are weighed according to the weight ratio: 15kg of diethanol monoisopropanolamine, 3kg of triethanolamine, 6kg of sodium acetate, 6kg of sodium thiosulfate, 10kg of sodium chloride, 5kg of sodium carboxymethylcellulose, and 15kg of papermaking black liquor , Mix and stir for 30 minutes to obtain the enhanced 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, sodium carboxymethylcellulose 6kg, papermaking black liquor 16kg , Mix and stir for 30 minutes to obtain the enhanced cement grinding aid product.

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Abstract

The invention discloses a reinforced cement grinding aid which comprises the following ingredients in parts by weight: 10-15 parts of diethanolisopropanolamine, 3-5 parts of triethanolamine, 4-6 parts of sodium acetate, 6-10 parts of sodium thiosulfate, 10-12 parts of sodium chloride, 4-6 parts of sodium carboxymethylcellulose and 15-18 parts of papermaking black liquid. The reinforced cement grinding aid is low in mixing amount, good in reinforcement 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 an enhanced cement grinding aid. Background technique [0002] Cement grinding aid is a chemical admixture to improve the grinding efficiency of the mill and improve the performance of cement. It is generally added directly to the cement mill or added to the cement clinker into the grinding belt, and mixed with cement clinker or other materials together into the cement mill for grinding. After the grinding aid enters the mill with the cement clinker, it is adsorbed on the surface and cracks of the material particles. Due to the polar molecular structure of the grinding aid, the foreign ions provided by it neutralize the electrostatic charge generated by the friction of the cement clinker during the grinding process, reducing the ability of fine particles to aggregate and making the clinker The particles are separated from the grinding medium...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/38
Inventor 尹丹黄煌陈威王恒阮长泰
Owner GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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