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Method for producing mineral admixture for high-strength high-performance concrete

A mineral admixture and concrete technology, which is applied in the field of mineral admixtures for the production of high-strength and high-performance concrete, can solve problems such as environmental pollution, non-recyclable use, and land occupation, and achieve good social benefits, save resources and energy, and protect the environment. Effect

Inactive Publication Date: 2012-08-29
邢玉清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The quartz sand model after melting and casting cannot be recycled due to high temperature. It is the main solid waste in the current refractory industry. It not only occupies a lot of land, but also pollutes the environment.

Method used

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  • Method for producing mineral admixture for high-strength high-performance concrete

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Experimental program
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Effect test

Embodiment 1

[0011] The method for producing mineral admixtures for high-strength and high-performance concrete in this embodiment uses quartz sand molds produced by melting and casting methods as raw materials for corundum refractory products. After inspection, crushing, coarse grinding, and ultra-fine grinding, the ground The particle size is 15100m 2 / kg.

Embodiment 2

[0013] The method for producing mineral admixtures for high-strength and high-performance concrete in this embodiment uses the quartz sand mold after the zirconium refractory products are produced by melting and casting as the raw material, and it can be selected, crushed, coarsely ground, and ultrafinely ground. The particle size is 15200m 2 / kg.

Embodiment 3

[0015] The method for producing mineral admixtures for high-strength and high-performance concrete in this embodiment uses the quartz sand mold after the chromium refractory products are produced by melting and casting as a raw material, and it can be checked, crushed, coarsely ground, and ultrafinely ground. The particle size is 15300m 2 / kg.

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Abstract

This invention relates to a method for producing ore applied agent used in high strength high performance concrete, which takes quartz sand molds after casting fire proof material products as the raw material to be selected, crushed, grinded roughly and superfine grinded. The product is not only used in producing ore applied agent used in high strength high performance concrete but also can be used in other fields instead of industrial silicon ash and silica white.

Description

technical field [0001] The invention relates to a method for producing a mineral admixture for high-strength and high-performance concrete. Background technique [0002] Mineral admixtures for high-strength and high-performance concrete refer to certain mineral products that are added during concrete mixing and have a certain fineness and activity to improve the performance of freshly mixed and hardened concrete (especially the durability of concrete). The existing mineral admixtures are divided into four categories according to their mineral composition: ground slag, ground fly ash, ground natural zeolite and silica fume. At present, when the domestic refractory industry produces high-grade refractory products (melted cast bricks), the raw materials and additives are mixed in a three-phase electric arc furnace after being mixed with ingredients. After melting at a temperature above 2000°C, the high-temperature melt is cast into quartz sand The finished model (mold) is heat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B22/06C04B103/60
Inventor 邢玉清邢志光李树枝
Owner 邢玉清