Blended material, preparation method thereof and concrete prepared through blended material

A technology of admixture and clinker, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of complicated manufacturing process and cumbersome concrete process, and achieve convenient transportation and use, and simple preparation method Effect

Inactive Publication Date: 2015-08-19
谭云松 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution has different requirements for the fine powder standards of basalt, slag, and limestone, so the manufacturing process is more complicated, a

Method used

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Example Embodiment

[0020] In order to have a clearer understanding of the technical features, objectives and effects of the present invention, specific implementations of the present invention will now be described.

[0021] The present invention proposes an admixture, which is made by mixing the following raw materials into powder according to the mass ratio: 30-70% of basalt, 0-30% of sandstone, fly ash or 18-22% of calcined coal gangue , Gypsum 3-6%, Portland cement clinker or sulfoaluminate cement clinker 5-10%, Manganese slag or phosphorous slag powder 0-15%.

[0022] The biggest difference between the admixture provided by the present invention and the admixture using basalt as the raw material in the prior art is that the admixture provided by the present invention can be directly put into the tube mill or the raw material according to the mass ratio during production. With ball milling equipment, the powdery mixture with a specific surface area of ​​more than 400 obtained after grinding is th...

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Abstract

The invention provides a blended material. The pulverized and blended raw materials of the material include, by weight: 30 to 70 % of basalt, 0 to 30% of sandstone, 18 to 22% of fly ash or calcined coal gangue, 3 to 6% of gypsum, 5 to 10% of portland cement clinker or sulfur cement clinker and 0 to 15% of manganese ore slag or phosphor slag powder. The blended material is simple to prepare and convenient to store, transport and use. The invention further provides a preparation method of the blended material and concrete prepared through the blended material.

Description

technical field [0001] The invention relates to the field of building materials, in particular to an admixture, a preparation method thereof and concrete prepared therefrom. Background technique [0002] At present, the admixtures used in the building materials industry are mainly industrial waste residues such as slag and fly ash. In recent years, the rapid development of my country's infrastructure has led to the rapid expansion of the cement and concrete industry, resulting in admixtures such as fly ash and slag that were originally used as waste slag becoming very scarce. Among them, the excellent performance of blast furnace slag has caused its price to continue to rise , At one point even exceeded the price of clinker. It can be seen that the development of new varieties of admixtures has become an urgent task in the research of the construction industry. [0003] Basalt (basalt) is a basic volcanic rock with a dense structure and a heavier specific gravity than ordin...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B28/02C04B18/12
CPCY02W30/91
Inventor 谭云松张凡
Owner 谭云松
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