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Additive for improving cement performance and preparation method

An additive and efficiency technology, which is applied in the field of additives and preparations for improving cement performance, can solve problems such as poor effect, lower production costs, and inability to effectively improve cement performance, so as to reduce energy consumption, improve reinforcement effect, reduce particle mutual aggregation and Effect of Adhesion Phenomena

Inactive Publication Date: 2016-06-08
王金奎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although there are many types of cement additives on the market, they are not effective in actual use, and cannot effectively improve cement performance and reduce production costs. Therefore, research on this aspect should be strengthened to meet the needs of factories.

Method used

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  • Additive for improving cement performance and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 The additive for improving cement performance is mainly prepared from the following raw materials (5 kg per part): 4 parts of sodium ethylenediamine tetramethylene phosphonate, 2 parts of molasses, 2 parts of sodium thiosulfate, and 1 part of sodium hexametaphosphate 1 part, 1 part of sodium aminotrimethylene phosphonate, 0.5 part of diisopropylethanolamine, 0.2 part of triisopropanolamine, 1 part of waste engine oil, 0.1 part of dipropylene glycol, 0.2 part of glycerin, 0.5 part of urea, calcium lignosulfonate 0.1 part, 0.3 part of borax, 0.4 part of dioctyl phthalate, 0.1 part of dibutyl phthalate, 0.2 part of zinc stearate, 0.2 part of surfactant Tween-800. The preparation method of the above-mentioned additive for improving cement performance is:

[0024] (1) Take molasses (can be purchased from Jinan Changyingda Chemical Co., Ltd.) and heat it to a boil over low heat, stir for 15 minutes, take it out, add water that is 1 times the mass of molasses to dilu...

Embodiment 2

[0028] Example 2 The additive for improving cement performance is mainly prepared from the following raw materials (5 kg each): 6 parts of sodium ethylenediamine tetramethylene phosphonate, 5 parts of molasses, 4 parts of sodium thiosulfate, and 3 parts of sodium hexametaphosphate 2 parts, 2 parts of sodium aminotrimethylene phosphonate, 1.5 parts of diisopropylethanolamine, 0.8 part of triisopropanolamine, 2 parts of waste engine oil, 0.4 part of dipropylene glycol, 0.6 part of glycerin, 1.0 part of urea, calcium lignosulfonate 0.4 parts, 0.6 parts of borax, 0.8 parts of dioctyl phthalate, 0.3 parts of dibutyl phthalate, 0.4 parts of zinc stearate, and 0.4 parts of surfactant Tween-800. The preparation method of the above-mentioned additive for improving cement performance is:

[0029] (1) Take molasses (can be purchased from Jinan Changyingda Chemical Co., Ltd.) and heat to boil on low heat, stir for 25 minutes, take it out, add water 3 times the mass of molasses to dilute, ...

Embodiment 3

[0033] Embodiment 3 The additive for improving cement performance is mainly prepared from the following raw materials (5kg per part): 4.5 parts of sodium ethylenediamine tetramethylene phosphonate, 3 parts of molasses, 2.5 parts of sodium thiosulfate, and 2.5 parts of sodium hexametaphosphate 1.2 parts of sodium aminotrimethylene phosphonate, 0.8 parts of diisopropylethanolamine, 0.4 parts of triisopropanolamine, 1.2 parts of waste engine oil, 0.2 parts of dipropylene glycol, 0.3 parts of glycerin, 0.6 parts of urea, calcium lignosulfonate 0.2 parts, 0.4 parts of borax, 0.5 parts of dioctyl phthalate, 0.0.15 parts of dibutyl phthalate, 0.25 parts of zinc stearate, and 0.25 parts of surfactant Tween-800. The preparation method of the above-mentioned additive for improving cement performance is:

[0034] (1) Take molasses (can be purchased from Jinan Changyingda Chemical Co., Ltd.) and heat it to a boil over low heat, stir for 18 minutes, take it out, add water 1.5 times the mas...

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Abstract

The invention discloses an additive for improving cement performance. The additive is mainly prepared from, by mass, 4-6 parts of ethylene diamine tetra(methylene phosphonic acid)sodium, 2-5 parts of molasses, 2-4 parts of sodium thiosulfate, 1-3 parts of sodium hexametaphosphate, 1-2 parts of amino-tri(methylene phosphonic acid)sodium, 0.5-1.5 parts of N,N-diisopropylethanolamine, 0.2-0.8 part of triisopropanolamine, 1-2 parts of used oil, 0.1-0.4 part of dipropylene glycol, 0.2-0.6 part of glycerol, 0.5-1.0 part of urea, 0.1-0.4 part of calcium lignosulphonate, 0.3-0.6 part of borax, 0.4-0.8 part of dioctyl phthalate, 0.1-0.3 part of dibutyl phthalate, 0.2-0.4 part of zinc stearate and 0.2-0.4 part of a surfactant Tween-80. The product is easy and convenient to prepare, good in reinforcing effect and capable of improving the efficiency of a pulverizer, reducing energy consumption and reducing the factory production cost.

Description

technical field [0001] The invention relates to the technical field of cement admixtures, in particular to an additive for improving cement performance and a preparation method. Background technique [0002] Cement additive is a chemical additive to improve the grinding effect and performance of cement, which can significantly increase the output of cement grinding table and the strength of cement at various ages. Cement additives can greatly reduce the phenomenon of electrostatic adsorption and encapsulation formed in the grinding process, and can reduce the tendency of re-agglomeration of ultrafine particles formed in the grinding process, reducing the phenomenon of over-grinding. Cement additives can also significantly improve the fluidity of cement, improve the grinding efficiency of the mill and the powder selection efficiency of the powder separator, thereby reducing the energy consumption of grinding. As a chemical activator, cement additives can improve the distribu...

Claims

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Application Information

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IPC IPC(8): C04B24/18
CPCC04B40/0039C04B24/121C04B24/10C04B22/16C04B24/124C04B24/122C04B18/18C04B24/02C04B24/126C04B24/18C04B22/0013C04B24/045C04B24/085C04B2103/406
Inventor 不公告发明人
Owner 王金奎
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