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Heat insulation material and preparation method thereof

A technology of thermal insulation material and carrier, applied in the field of external wall thermal insulation materials and material preparation, can solve the problems of rainwater loss, phase separation, supercooling, etc., and achieve the effects of low cost, stable shape and good adsorption compatibility.

Inactive Publication Date: 2016-05-11
SHANDONG HAIRONG ENERGY SAVING NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such phase change materials are prone to "supercooling" and "phase separation" during use.
If it is used on the outer wall of a building, it is easy to be carried away by rainwater

Method used

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  • Heat insulation material and preparation method thereof
  • Heat insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 4

[0031] Example 4. Phase-change energy storage composite materials are applied to building exterior walls

[0032]According to the thickness of the construction, it is layered and applied in batches. First, the ordinary cement slurry is applied on the wall as the inner layer, and then the carrier adsorbed with the phase change energy storage composite material is applied as the middle layer. When applying in batches, it is necessary to pay attention to uniform force, without repeated rubbing and pressing, and to apply multiple batches to reach the required thickness, and finally apply a layer of ordinary cement slurry as the outer layer. Wherein, the thickness of the inner layer and the outer layer is about 0.5-1 cm, and the thickness of the middle layer is 3-6 cm.

[0033] According to the wall obtained in this embodiment, the adsorption between the ordinary cement slurry and the phase-change energy storage material is very good during the smearing process, and there will be n...

Embodiment 5

[0034] Embodiment 5. Performance test of phase change energy storage composite material

[0035] A model room was prepared according to Example 4, and model temperature data were collected to test the temperature control and temperature regulation performance of the phase change energy storage composite material in practical applications. The volume between the models is 20cmX20cmX20cm, and the wall thickness is according to the requirements of embodiment 4, the inner layer is 0.5cm, the middle layer is 3cm, and the outer layer is 0.5cm. The test results under this condition show that when the phase-change energy storage composite material undergoes a phase-change cycle within one collection period, the maximum daytime temperature of the room using the phase-change material is 2-3.8°C lower than that of the ordinary room (at the maximum temperature of room temperature The temperature difference is 4°C), and the lowest temperature at night is about 1°C higher than that of ordin...

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Abstract

The invention discloses a material having phase change and energy storage functions and especially being used as an exterior wall heat insulation material, and a preparation method and a use method thereof. The above phase change and energy storage composite material contains stearate and a carrier, and the heat insulation material concretely comprises methyl stearate, ethyl stearate, stearate and a lightweight hollow inorganic material used as the carrier, wherein the methyl stearate, the ethyl stearate and the stearate are supported in pores of the porous carrier. The phase change material has the advantages of low cost, room temperature approaching phase change point, large phase change latent heat, excellent heat insulation effect, and simple and easy practical operation.

Description

technical field [0001] The present invention relates to a thermal insulation material and its preparation method and use method. Specifically, the present invention relates to a material with phase change energy storage function, especially used as external wall thermal insulation material, and the preparation method and use method of this material . Background technique [0002] Building energy consumption has always accounted for a large proportion of energy consumption. In some developed countries, 40% of the total energy consumption of the whole society is used for building energy consumption, while in my country, about 28% of the total energy consumption of society is used for building energy consumption. Therefore, building energy conservation is particularly important to my country's energy security, and building energy conservation is imperative. The heat loss caused by the wall during the heat transfer process is the main factor affecting whether the wall is insula...

Claims

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Application Information

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IPC IPC(8): C09K5/06
CPCC09K5/063
Inventor 陈伟李植开刘相王雨琦
Owner SHANDONG HAIRONG ENERGY SAVING NEW MATERIAL CO LTD
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