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Method for preparing cement reinforcer

A technology of cement reinforcing agent and calcite, which is applied in the field of building material manufacturing, can solve problems such as the reduction of compressive strength of cement, and achieve the effects of satisfying stability, saving cost and uncomplicated production process.

Inactive Publication Date: 2014-05-07
XINXIANG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the requirements of the cement strength standard, the amount of the above-mentioned mixture should generally not exceed 20%, otherwise, the compressive strength of the cement will be significantly reduced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of cement reinforcing agent, characterized in that:

[0026] The steps of the preparation method are:

[0027] Step (1): 30 parts of dickite, 30 parts of montmorillonite, 20 parts of shale, 10 parts of calcite, 10 parts of diatomite, 5 parts of calcium fluoride, 5 parts of mirabilite, 3 parts of polyvinyl alcohol, acetic acid 3 parts of sodium, 1 part of sodium carbonate, 2 parts of gypsum, 2 parts of sodium silicate, 1 part of aluminum powder, and 1 part of calcium nitrate.

[0028] Step (2): 30 parts of dickite, 30 parts of montmorillonite, 20 parts of shale, and 10 parts of calcite are ground in a pulverizer at a speed of 120 r / min for 9 hours, and the pulverized particles The temperature is 1.2-1.4mm, and then the powder is put into a high-temperature furnace, and the temperature is controlled and fired according to three processes of slow heating, medium heating and constant temperature: slowly heating at a rate of 2°C / min to 300 ℃, then rais...

Embodiment 2

[0033] A preparation method of cement reinforcing agent, characterized in that:

[0034] The steps of the preparation method are:

[0035] Step (1): 40 parts of dickite, 40 parts of montmorillonite, 30 parts of shale, 20 parts of calcite, 20 parts of diatomite, 10 parts of calcium fluoride, 10 parts of mirabilite, 4 parts of polyvinyl alcohol, acetic acid 4 parts of sodium, 3 parts of sodium carbonate, 4 parts of gypsum, 3 parts of sodium silicate, 2 parts of aluminum powder, 2 parts of calcium nitrate to prepare raw materials,

[0036] Step (2): Grind 40 parts of dickite, 40 parts of montmorillonite, 30 parts of shale, and 20 parts of calcite in a pulverizer at a speed of 120 r / min for 9 hours, and the pulverized particles The temperature is 1.2-1.4mm, and then the powder is put into a high-temperature furnace, and the temperature is controlled and fired according to three processes of slow heating, medium heating and constant temperature: slowly heating at a rate of 2°C / min...

Embodiment 3

[0041] A preparation method of cement reinforcing agent, characterized in that:

[0042] The steps of the preparation method are:

[0043] Step (1): 35 parts of dickite, 35 parts of montmorillonite, 25 parts of shale, 15 parts of calcite, 15 parts of diatomaceous earth, 8 parts of calcium fluoride, 7 parts of mirabilite, 3.5 parts of polyvinyl alcohol, acetic acid 3.5 parts of sodium, 2 parts of sodium carbonate, 3 parts of gypsum, 2.5 parts of sodium silicate, 1.5 parts of aluminum powder, 1.5 parts of calcium nitrate to prepare raw materials,

[0044] Step (2): Grind 35 parts of dickite, 35 parts of montmorillonite, 25 parts of shale, and 15 parts of calcite in a pulverizer at a speed of 120 r / min for 9 hours, and the pulverized particles The temperature is 1.2-1.4mm, and then the powder is put into a high-temperature furnace, and the temperature is controlled and fired according to three processes of slow heating, medium heating and constant temperature: slowly heating at ...

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PUM

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Abstract

The invention discloses a method for preparing a cement reinforcer. The cement reinforcer is characterized by comprising the following raw materials in parts by weight: 30-40 parts of dickite, 30-40 parts of montmorillonite, 20-30 parts of shale, 10-20 parts of calcite, 10-20 parts of kieselguhr, 5-10 parts of calcium fluoride, 5-10 parts of mirabilite, 3-4 parts of polyving alcohol, 3-4 parts of sodium acetate, 1-3 parts of sodium carbonate, 2-4 parts of gypsum, 2-3 parts of sodium silicate, 1-2 parts of aluminum powder and 1-2 parts of calcium nitrate. The cement reinforcer disclosed by the invention is uncomplicated in production technology, and simple and easy to produce, and can be conveniently and evenly used in the use procedure, the raw materials are easy to purchase, the stability of production is met, the production efficiency is improved, and the cost is saved.

Description

technical field [0001] The invention relates to a preparation method of a cement reinforcing agent, which belongs to the field of building material manufacturing. Background technique [0002] As we all know, cement is one of the main products of building cementitious materials. Cement is silicate clinker made by mixing limestone, coal, iron powder and clay and other mineral raw materials, and then adding gypsum to the clinker and grinding finely made. With the rapid development of my country's economy, the amount of cement is increasing exponentially. Therefore, the consumption of mineral raw materials such as limestone, coal, iron powder and clay is increasing day by day, and mineral resources are continuously decreasing. At present, under the premise of ensuring the strength of cement, cement manufacturers use technical means to properly mix some mixed materials to achieve the purpose of saving mineral resources, reducing cement costs and protecting the environment. Amon...

Claims

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Application Information

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IPC IPC(8): C04B24/26C04B22/14
Inventor 谷苗苗
Owner XINXIANG UNIV
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