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A phase-change roof self-insulating ceramsite concrete

A phase change, concrete technology, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., can solve the problems of poor stability of mortar performance, affecting concrete strength performance, and deterioration of overall performance of mortar, etc. Combines the effect of dungeon fastness, large range of latent heat of phase transition, and reduction of indoor temperature fluctuations

Active Publication Date: 2017-09-01
ZHEJIANG FANGYUAN BUILDING MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thermal insulation mortar can be used for various thermal insulation layers of walls and roofs. It has good water resistance and waterproof performance, and the phase change material paraffin is added to achieve a good potential storage capacity, so that the thermal insulation mortar has good thermal insulation performance. , however, it directly mixes the phase change material with other raw materials in the mortar. Since the phase change state changes with the temperature, it is easy to cause the overall performance of the mortar to deteriorate, and the addition of the phase change material Too much will lead to poor performance stability of mortar and affect the strength performance of concrete

Method used

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  • A phase-change roof self-insulating ceramsite concrete

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Effect test

Embodiment 1

[0017] The phase-change roof self-insulating ceramsite concrete of the present embodiment comprises the mass percentages of the following components:

[0018] Cement: 40%;

[0019] Pottery sand: 35%;

[0020] Phase-change material paraffin: 8.0%, and the phase-change material uses ceramsite as a carrier;

[0021] Ceramsite: 12%;

[0022] Fly ash: 5.0%.

[0023] The specific preparation method of the phase change roof self-insulating ceramsite concrete of the present embodiment is as follows:

[0024] According to the mass percentage of the above-mentioned components, the raw materials are first melted at 75°C to 85°C, and then injected into a container containing ceramsite in a vacuum state, and kept in a vacuum state to allow adsorption 2 hours, so that the paraffin wax of the phase change material is fully injected into the pores of the ceramsite, and the particles of the paraffin wax of the phase change material are loaded on the ceramsite; then, together with cement, p...

Embodiment 2

[0026] The phase-change roof self-insulating ceramsite concrete of the present embodiment comprises the mass percentages of the following components:

[0027] Cement: 30%;

[0028] Pottery sand: 35%;

[0029] Phase-change material myristic acid: 13%, and said phase-change material uses ceramsite as a carrier;

[0030] Ceramsite: 14%, and the porosity of said ceramsite is 30%;

[0031] Fly ash: 8.0%.

[0032] The specific preparation method of the phase-change roof self-insulating ceramsite concrete in this embodiment is the same as that in Embodiment 1, and will not be repeated here.

Embodiment 3

[0034] The phase-change roof self-insulating ceramsite concrete of the present embodiment comprises the mass percentages of the following components:

[0035] Cement: 38%;

[0036] Pottery: 24%;

[0037] Phase-change material palmitic acid: 10%, and the phase-change material uses ceramsite as a carrier; and the phase-change material is loaded in the pores of ceramsite;

[0038] Ceramsite: 20%, and the porosity of said ceramsite is 50%;

[0039] Fly ash: 8.0%.

[0040] The specific preparation method of the phase-change roof self-insulating ceramsite concrete in this embodiment is the same as that in Embodiment 1, and will not be repeated here.

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Abstract

The invention relates to phase-change roof self-insulation ceramsite concrete, and belongs to the technical field of building materials. The problems that existing ceramsite concrete is low in strength property and poor in energy storage effect can be solved. The phase-change roof self-insulation ceramsite concrete comprises, by mass, 30%-40% of cement, 20%-35% of pottery sand, 8.0%-13% of phase-change material, 10%-20% of ceramsite and 5.0%-8.0% of coal ash. The phase-change material uses the ceramsite as a loaded carrier. According to the concrete, the phase-change material is added and loaded onto the ceramsite, hence, a good energy storage effect can be achieved, and a large amount of heat can be stored or released when phase change happens; the phase-change latent heat range is wide, indoor temperature fluctuation is reduced, and cost is lowered; meanwhile, the strength property of the concrete can be guaranteed.

Description

technical field [0001] The invention relates to a phase-change roof self-insulating ceramsite concrete, which belongs to the technical field of building materials. Background technique [0002] With the development of the economy and the improvement of people's living standards, people have higher and higher requirements for the indoor comfort of buildings, and the problem of energy saving in buildings has become increasingly prominent. The active development of new energy-saving wall materials not only meets the needs of building energy conservation, but also meets the requirements of the national wall material innovation policy. In recent years, various places have done a lot of work in this area, among which the rapidly developed ceramsite and ceramsite concrete are an important aspect. Artificial ceramsite raw materials come from a wide range of sources, and ceramsite concrete has light weight, high strength, thermal insulation, and durability. , earthquake resistance a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/08C04B14/04
CPCY02W30/91
Inventor 杨晓华杨飞张龙陈传飞徐丽芬
Owner ZHEJIANG FANGYUAN BUILDING MATERIALS TECH
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