Self-compacting concrete for solar heat storage material

A technology for self-compacting concrete and heat storage material, applied in the field of self-compacting concrete for solar heat storage materials, can solve the problems of decreased heat storage capacity, unstable high temperature performance of concrete heat storage materials, etc., so as to improve heat storage efficiency and improve molding efficiency , the effect of broadening the scope of application

Inactive Publication Date: 2017-06-13
安徽倍立达住工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to optimize the formula of self-compacting concrete in order to improve the heat storage efficiency of the heat storage material for solar thermal power generation under high temperature in order to solve the problems of unstable high-temperature performance and reduced heat storage capacity of concrete heat storage materials in solar thermal power generation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0021] (1) Pre-mix the porous ceramsite and copper powder at a ratio of 7:3 for 10-15 minutes to prepare porous ceramsite-loaded copper powder.

[0022] (2) Measure 230 parts by weight of cement, 100 parts of fly ash, 20 parts of porous ceramsite-loaded copper powder, 5 parts of high-slump polycarboxylate water reducer, 553 parts of washed sand, 998 parts of gravel, carbon fiber 0.1 part, 50 parts of water, stirred for 30 minutes and mixed evenly to prepare self-compacting concrete mortar.

Embodiment example 2

[0024] (1) Pre-mix the porous ceramsite and iron powder at a ratio of 7:3 for 10-15 minutes to prepare porous ceramsite-loaded copper powder.

[0025] (2) Measure 300 parts of cement, 170 parts of metakaolin, 30 parts of porous ceramsite-loaded iron powder, 6 parts of urethane type retarding carboxylic acid water reducer, 830 parts of washed medium sand, 1150 parts of gravel, 1.5 parts of copper fiber and 100 parts of water were stirred for 40 minutes to mix evenly to obtain self-dense concrete mortar.

Embodiment example 3

[0027] (1) Pre-mix the porous ceramsite and aluminum powder at a ratio of 7:3 for 10-15 minutes to prepare porous ceramsite-loaded copper powder.

[0028] (2) Measure 250 parts of cement, 150 parts of silica fume, 25 parts of aluminum powder loaded on porous ceramsite, 5 parts of low air-entrained solid polycarboxylate superplasticizer, 600 parts of washed sand, and 1000 parts of gravel in parts by weight. , 1 part of iron fiber, 80 parts of water, and stirred for 50 minutes to mix evenly to obtain self-compact concrete mortar.

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PUM

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Abstract

The invention relates to self-compacting concrete for a solar heat storage material and belongs to high-additional-value resource utilization. The self-compacting concrete is prepared from cement, an active material, porous ceramisite loaded metal powder, an additive, water-washed medium sand, pebbles, heat conductive fibers and water. The concrete is high in heat capacity, the heat storage efficiency of the heat storage material can be ensured, the problems that an original concrete heat storage material is low in compactness and likely to crack at high temperature are solved, and the application range of the self-compacting concrete can be enlarged. The process is simple, and economic and environment-friendly benefits are high.

Description

technical field [0001] The invention relates to a self-compacting concrete for solar heat storage materials. This type of self-compacting concrete can be used as a sensible heat storage material for solar thermal power generation, has a high heat capacity value, and has high temperature resistance, and is suitable for solar thermal power generation and other fields. Background technique [0002] Due to the increasingly serious energy and environmental problems, full and rational use of resources is an important measure to solve energy and environmental crises. In solar thermal power generation, heat storage technology plays a central role, solving the problem that thermal power generation can only use the normal direct radiation of solar energy, and cannot generate electricity in cloudy, rainy days and at night. Molten salt is often used as heat storage material for thermal power generation, but its strong corrosion and high freezing point make the cost of raw materials and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B24/24C04B103/30
CPCC04B28/00C04B24/24C04B2103/302C04B18/08C04B18/023C04B14/34C04B14/06C04B18/12C04B14/386C04B14/106C04B14/48C04B18/146
Inventor 熊吉如袁慧雯
Owner 安徽倍立达住工科技有限公司
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