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Novel Portland slag P.SB32.5 cement

A P.SB32.5, silicate technology, used in cement production and other directions, can solve the problems of strength, impermeability, water retention, corrosion resistance and wear resistance, and achieve good water retention and eliminate pollution sources. , the effect of reducing the cost of cement

Inactive Publication Date: 2013-09-18
天津山水水泥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing slag silicate P.SB32.5 cement has average performance in terms of strength, impermeability, water retention, corrosion resistance and wear resistance, and can only be used in general engineering construction

Method used

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  • Novel Portland slag P.SB32.5 cement
  • Novel Portland slag P.SB32.5 cement
  • Novel Portland slag P.SB32.5 cement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of novel slag Portland P.SB32.5 cement, its composition and weight percent are respectively:

[0021]

[0022] The above-mentioned various substances are mixed together according to the weight ratio, and evenly ground in a cement mill to become a finished product.

Embodiment 2

[0024] A kind of novel slag Portland P.SB32.5 cement, its composition and weight percent are respectively:

[0025]

[0026] The above-mentioned various substances are mixed together according to the weight ratio, and evenly ground in a cement mill to become a finished product.

Embodiment 3

[0028] A kind of novel slag Portland P.SB32.5 cement, its composition and weight percent are respectively:

[0029]

[0030] The above-mentioned various substances are mixed together according to the weight ratio, and evenly ground in a cement mill to become a finished product.

[0031] Experimental performance index of the present invention:

[0032]

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PUM

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Abstract

The invention relates to novel Portland slag P.SB32.5 cement. The cement comprises the following components by weight percent: 45-55% of clinker, 4-6% of limestone, 28-32% of slag, 4-7% of volcanic ash, 3-5% of fly ash and 3-6% of desulfurization gypsum. The cement has the advantages that industrial waste slag ingredients generated in the production processes in steel mills are adopted, thus not only reducing the production cost but also eliminating pollution sources, achieving economical efficiency and environment friendliness, improving the later strength of the cement and ensuring the quality of engineering construction.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to general Portland cement, in particular to a novel slag portland P.SB32.5 cement. Background technique [0002] General-purpose Portland cement is a hydraulic cementitious material made of Portland cement clinker, an appropriate amount of gypsum, and specified mixed materials, and is widely used. The existing slag silicate P.SB32.5 cement has average performance in terms of strength, impermeability, water retention, corrosion resistance and wear resistance, and can only be used in general engineering construction. Therefore, it is very necessary to seek a new type of slag portland P.SB32.5 cement with stronger functions. [0003] Through the search, the following two related published patent documents were found: [0004] 1. A method for modifying ordinary portland cement composite material and using it as a cementitious material to make building components with a cross...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/153
CPCY02P40/10
Inventor 刘德胜王长路
Owner 天津山水水泥有限公司
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