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Cement prepared from fly ash and preparation method of cement

A technology of fly ash and cement, which is applied in the field of green building materials, can solve the problems of environmental pollution and large land occupation, and achieve the effects of strong frost resistance, low comprehensive cost and good seepage resistance

Inactive Publication Date: 2018-08-14
贵州隆盛源建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fly ash storage not only takes up a lot of land, but also causes serious environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. A method of using fly ash to configure cement and its configuration, which is formed by mixing raw materials in the following proportions, and the ratio of various raw materials

[0026] 60-75 parts of fly ash;

[0027] 20-25 parts of stone powder;

[0028] 15-30 parts of quartz sand;

[0029] 8-12 parts of water reducing agent;

[0030] 15-20 parts of superplasticizer;

[0031] 30-40 parts of calcium carbonate;

[0032] Potassium sulfite 5-8 parts;

[0033] 15-20 parts of ferric oxide;

[0034] 5-6 parts of slag;

[0035] 2-3 parts of anhydrous sodium metasilicate.

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Abstract

The invention provides cement prepared from fly ash and a preparation method of the cement. The cement is prepared from, by weight, 60-75 parts of fly ash, 20-25 parts of mountain flour, 10-15 parts of quartz sand, 8-12 parts of water reducer, 15-20 parts of high-efficiency water reducer, 30-40 parts of calcium carbonate, 5-8 parts of potassium sulfite, 30-40 parts of iron trioxide, 5-6 parts of slag and 2-3 parts of anhydrous sodium metasilicate. According to the method for preparing the cement from the fly ash, the raw materials are solid waste, a large amount of industrial waste is used, the manufacturing cost is low, the product cost is reduced, the waste is turned into wealth, mortar or concrete prepared from the cement which is prepared through the method is firm, durable and capableof being widely applied to engineering such as civil construction, water conservancy and national defense.

Description

technical field [0001] The invention belongs to the technical field of green building materials, and relates to a cement preparation method using fly ash and a preparation method thereof. Background technique [0002] Fly ash is a substance discharged from coal-fired power plants and collected by electrostatic precipitators. Fly ash accounts for about 4 / 5 of the ash formed by coal combustion, and bottom ash accounts for about 1 / 5. According to different coal sources and types, there are significant differences in the formation of fly ash. my country is a country where coal is the main energy source. 76% of electricity is produced by coal. The total stockpile of fly ash produced by coal combustion has exceeded 1 billion tons, and it is still increasing at a rate of 80 million to 100 million tons per year. The largest ash discharge country in the world. The storage of fly ash not only occupies a large amount of land, but also causes serious environmental pollution. Carrying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/26
CPCC04B7/26Y02P40/10
Inventor 李勇
Owner 贵州隆盛源建材有限公司
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