High efficiency cement composite grinding aid

A grinding aid and cement technology, which is applied in the field of cement grinding aids, can solve the problems of serious cement dust flying, high cost of grinding aids, and inconspicuous grinding aiding effect, and achieve significant grinding aiding effects, reduce product costs, and improve performance effect

Inactive Publication Date: 2004-12-22
沈阳建筑工程学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing above-mentioned liquid cement grinding aids are not easy to obtain raw materials, which increases the cost of the grinding aids, causes the cement dust to fly seriously during use, and the grinding aid effect is not obvious or has an impact on the performance of the cement.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 is a kind of high-efficiency cement composite grinding aid that the present invention provides, and its component includes triethanolamine, acetic acid, aluminum sulfate solution, paper pulp waste liquid, low molecular weight fatty acid salt and water, wherein the addition of each component It is: (mass percentage) triethanolamine 8%, acetic acid 22%, aluminum sulfate solution 20%, pulp waste liquid 30%, low molecular weight fatty acid salt 5%, water 15%, and its preparation process is: first the mass percentage is 8% % triethanolamine was added to 15% water at room temperature, and after stirring at a medium speed, 22% by mass percent of acetic acid and 20% by mass percent of aluminum sulfate solution were added and fully stirred and mixed, and then 30% of the Pulp waste liquid is gradually added to the above mixed liquid, stirred and mixed evenly, and finally 5% by mass of low molecular weight fatty acid salt is added, stirred and mixed evenly, then left s...

Embodiment 2

[0017] Embodiment 2 is a kind of high-efficiency cement composite grinding aid that the present invention provides, and its component includes triethanolamine, acetic acid, aluminum sulfate solution, paper pulp waste liquid, low molecular weight fatty acid salt and water, wherein the addition of each component It is: (mass percentage) 15% triethanolamine, 15% acetic acid, 30% aluminum sulfate solution, 25% pulp waste liquid, 5% low molecular weight fatty acid salt, and 10% water. % triethanolamine is added to 10% water at room temperature, and after stirring at a medium speed, then 15% by mass percent of acetic acid and 30% by mass percent of aluminum sulfate solution are added and fully stirred and mixed, and then 25% of the Pulp waste liquid is gradually added to the above mixed liquid, stirred and mixed evenly, and finally 5% by mass of low molecular weight fatty acid salt is added, stirred and mixed evenly, then left standing, and the filtrate after filtering out the precip...

Embodiment 3

[0018] Embodiment 3 is a kind of high-efficiency cement composite grinding aid that the present invention provides, and its component includes triethanolamine, acetic acid, aluminum sulfate solution, paper pulp waste liquid, low molecular weight fatty acid salt and water, wherein the addition of each component It is: (mass percentage) 10% of triethanolamine, 30% of acetic acid, 15% of aluminum sulfate solution, 23% of pulp waste liquid, 2% of low molecular weight fatty acid salt, and 20% of water. % triethanolamine was added to 20% water at room temperature, and after medium-speed stirring was uniform, then 30% by mass percent of acetic acid and 15% by mass percent of aluminum sulfate solution were added and fully stirred and mixed, and then 23% by mass percent Pulp waste liquid is gradually added to the above mixed liquid, stirred and mixed evenly, and finally 2% by mass of low molecular weight fatty acid salt is added, stirred and mixed evenly, then left standing, and the fil...

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PUM

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Abstract

An efficient composite grinding aid used for production of cement contains proportionally triethanolamine, acetic aid, aluminium sulfate solution, waste paper pulp liquid, salt of low-molecular fatty acidand water. Its advantages are low cost, high effect and high quality of cement.

Description

technical field [0001] The invention relates to a cement grinding aid, in particular to a high-efficiency cement composite grinding aid, which belongs to the grinding technology and chemical products in cement production, and is suitable for manufacturers to improve the working environment of cement grinding and cement grinding. used in performance. Background technique [0002] During the cement grinding process, after clinker and other materials are fed into the ball mill, static electricity will be generated due to the friction and collision between the materials and between the materials and the grinding body. In order to solve the problem of static electricity generated by the cement mill during the grinding process, The method of adding cement grinding aid is generally adopted. The research and use of cement grinding aids began in China as early as the 1950s. At present, most of the liquid cement grinding aids sold on the market are compounded by pure chemical substa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/52C04B22/14C04B24/02C04B24/04C04B24/12C04B40/00
CPCC04B2103/52C04B40/0039Y02W30/91C04B18/243C04B22/148C04B24/04C04B24/08C04B24/122C04B28/02
Inventor 赵苏丁向群
Owner 沈阳建筑工程学院
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