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A liquid cement grinding aid with low alcohol amine content

A technology of cement grinding aids and alcohol amines, applied in the field of liquid cement grinding aids, can solve the problems of insufficient utilization, heterogeneity of macromolecular polydispersity, physical and chemical properties, structural complexity, etc., and achieve improvement The effect of reducing the output per hour, reducing the amount of direct addition, and increasing the fluidity of materials

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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  • A liquid cement grinding aid with low alcohol amine content

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Weigh the following raw materials according to the weight ratio: 10kg of diethanol monoisopropanolamine, 5kg of triethanolamine, 4kg of sodium acetate, 6kg of sodium chloride, 1kg of sodium lignosulfonate, 8kg of hydroxyethyl cellulose, and 20kg of papermaking black liquor , mixed and stirred for 30 minutes to obtain the cement grinding aid product.

Embodiment 2

[0017] Weigh the following raw materials in proportion by weight: 15kg of diethanol monoisopropanolamine, 3kg of triethanolamine, 4kg of sodium acetate, 6kg of sodium chloride, 1kg of sodium lignosulfonate, 8kg of hydroxyethyl cellulose, and 25kg of papermaking black liquor , mixed and stirred for 30 minutes to obtain the cement grinding aid product.

Embodiment 3

[0019] Weigh the following raw materials by weight: 12 kg of diethanol monoisopropanolamine, 4 kg of triethanolamine, 5 kg of sodium acetate, 5 kg of sodium chloride, 1 kg of sodium lignosulfonate, 6 kg of hydroxyethyl cellulose, and 22 kg of papermaking black liquor , mixed and stirred for 30 minutes to obtain the cement grinding aid product.

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Abstract

The invention discloses a liquid cement grinding aid with low alcohol amine content. The liquid 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, 4-6 parts of sodium chloride, 1-2 parts of sodium lignosulfonate, 6-8 parts of hydroxyethyl cellulose and 20-25 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 with low alcohol amine content. Background technique [0002] my country is a big cement producing country, and its cement output ranks first in the world for many years. However, the key problem restricting the development of my country's cement industry is the high energy consumption and low utilization rate in the cement grinding stage. The cement industry is an industry with high energy consumption and high pollution, and a key industry for energy conservation and emission reduction. To solve such problems, in addition to improving equipment and technical processes, it is an effective way to add a small amount of cement grinding aids in the grinding process. [0003] Cement grinding aid is a chemical additive that improves the grinding effect and performance of cement. It can significantly increase the output...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/38C04B24/18C04B24/12C04B103/52
Inventor 尹丹黄煌陈威王恒阮长泰
Owner GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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