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Liquid cement grinding aid

A cement grinding aid, liquid technology, applied in the field of cement admixtures, can solve the problems of safety hazards of cement and concrete durability, unstable quality of grinding aids, fluctuations in cement quality, etc. The effect of alkali-aggregate reaction and reducing energy consumption of grinding

Active Publication Date: 2016-11-16
GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are still many problems in the use of grinding aids in my country, such as chloride salts bring great safety hazards to the durability of cement and concrete; the quality of grinding aids is unstable, and the amount of mixing is large, which leads to fluctuations in cement quality, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A liquid cement grinding aid, made of the following raw materials in parts by weight: 20 parts of triisopropanolamine, 20 parts of coconut oil fatty acid monoethanolamide, 8 parts of borax, 6 parts of ethyl acetate, 1 part of gum arabic, hard Zinc fatty acid 2.2 parts, water 35 parts.

[0024] The above-mentioned liquid cement grinding aid is prepared by the following method: put triisopropanolamine, coconut oil fatty acid monoethanolamide, zinc stearate and water into a reaction kettle, raise the temperature to 90°C, keep it warm for 20 minutes, and then Continue to add ethyl acetate and borax, stir for 30 minutes, lower the temperature to 50°C, finally add gum arabic, stir for 40 minutes, cool down to room temperature, and filter.

Embodiment 2

[0026] A liquid cement grinding aid, made of the following raw materials in parts by weight: 23 parts of triisopropanolamine, 17 parts of coconut oil fatty acid monoethanolamide, 10 parts of borax, 5 parts of ethyl acetate, 2 parts of gum arabic, hard Zinc fatty acid 1.8 parts, water 40 parts.

[0027] The above-mentioned liquid cement grinding aid is prepared by the following method: put triisopropanolamine, coconut oil fatty acid monoethanolamide, zinc stearate and water into a reaction kettle, raise the temperature to 88°C, keep it warm for 25 minutes, and then Continue to add ethyl acetate and borax, stir for 25 minutes, lower the temperature to 52°C, finally add gum arabic, stir for 35 minutes, cool down to room temperature, and filter.

Embodiment 3

[0029] A liquid cement grinding aid, made of the following raw materials in parts by weight: 25 parts of triisopropanolamine, 15 parts of coconut oil fatty acid monoethanolamide, 12 parts of borax, 4 parts of ethyl acetate, 4 parts of gum arabic, hard Zinc fatty acid 1.4 parts, water 45 parts.

[0030] The above-mentioned liquid cement grinding aid is prepared by the following method: put triisopropanolamine, coconut oil fatty acid monoethanolamide, zinc stearate and water into a reaction kettle, raise the temperature to 85°C, keep it warm for 35 minutes, and then Continue to add ethyl acetate and borax, stir for 20 minutes, lower the temperature to 55°C, finally add gum arabic, stir for 30 minutes, cool down to room temperature, and filter.

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PUM

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Abstract

The invention relates to the technical field of cement additives, in particular to a liquid cement grinding aid. The liquid cement grinding aid is prepared from, by weight, 20-30 parts of triisopropanolamine, 10-20 parts of sulfated coconut oil fatty acid monoethanolamide sodium, 8-16 parts of borax, 2-6 parts of ethyl acetate, 1-6 parts of Arabic gum, 0.6-2.2 parts of zinc stearate and 35-55 parts of water. The liquid cement grinding aid is efficient, stable in performance and capable of lowering grinding energy consumption and improving the cement strength and the durability of concrete.

Description

technical field [0001] The invention relates to the technical field of cement admixtures, in particular to a liquid cement grinding aid. Background technique [0002] Cement grinding is a necessary process and key link in cement production. Its energy consumption and electricity consumption account for 30% of the total energy consumption of cement production and more than 70% of the total electricity consumption. At present, the national low-carbon environmental protection requirements are getting higher and higher. Sluggish prices, rising prices of raw materials and energy, and fierce competition in the industry have stretched the profitability of cement companies. Therefore, energy conservation and emission reduction, development of low-carbon economy, cost reduction, and improvement of grinding aid performance are urgent problems to be solved by the cement industry. In order to reduce energy consumption and improve grinding efficiency, people usually take the following t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/28C04B103/52
CPCC04B40/0039C04B2103/52C04B24/122C04B24/124C04B22/0013C04B24/045C04B26/28C04B24/04
Inventor 王恒尹丹黄煌陈威阮长泰欧鹏谢体云
Owner GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
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