Phase-change self-temperature-control cement foaming heat preservation board and production method thereof

A technology of cement foaming and self-temperature control, which is applied to other home appliances, applications, home appliances, etc. It can solve the problems of low heat storage capacity indoor temperature and insignificant energy saving effect, and achieve improved heat storage capacity and good temperature delay Performance and self-temperature control ability, the effect of strength

Inactive Publication Date: 2019-05-24
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used in hot summer and cold winter areas in my country, its low heat storage capacity makes it unable to maintain a constant indoor temperature well under the environment of periodic temperature changes between day and night, resulting in poor energy saving effect when used in these areas. Not obvious

Method used

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  • Phase-change self-temperature-control cement foaming heat preservation board and production method thereof
  • Phase-change self-temperature-control cement foaming heat preservation board and production method thereof
  • Phase-change self-temperature-control cement foaming heat preservation board and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A phase-change self-controlling temperature cement foam insulation board, the preparation of which comprises the following steps:

[0014] Raw materials: cement 50kg, fly ash 30kg, phase change material 10kg, polypropylene fiber 0.3kg, cellulose ether 15g, water 32kg, hydrogen peroxide 5.5kg, alkaline waterproof foam stabilizer 5kg

[0015] Preparation of materials: put water, alkaline waterproof foam stabilizer, polypropylene fiber, and cellulose ether in a mixing device and stir for 10 seconds, then add ordinary Portland cement, fly ash, and phase change materials and stir for 3 minutes until the Mix it into a homogeneous slurry, then add hydrogen peroxide, stir rapidly for 10 seconds, immediately pour the slurry into a mold for foaming and molding, and cure it under natural conditions for 1 day until a certain strength is formed, remove the mold, and cut it to obtain a Phase change self-control temperature cement foam insulation board.

[0016] Material performance ...

Embodiment 2

[0019] Raw materials: cement 60kg, fly ash 20kg, phase change material 10kg, polypropylene fiber 0.3kg, cellulose ether 15g, water 33kg, hydrogen peroxide 5.5kg, alkaline waterproof foam stabilizer 5kg

[0020] Preparation of materials: put water, alkaline waterproof foam stabilizer, polypropylene fiber, and cellulose ether in a mixing device and stir for 10 seconds, then add ordinary Portland cement, fly ash, and phase change materials and stir for 3 minutes until the Mix it into a homogeneous slurry, then add hydrogen peroxide, stir rapidly for 10 seconds, immediately pour the slurry into a mold for foaming and molding, and cure it under natural conditions for 1 day until a certain strength is formed, remove the mold, and cut it to obtain a Phase change self-control temperature cement foam insulation board.

[0021] Material performance indicators:

[0022]

Embodiment 3

[0024] A phase-change self-controlling temperature cement foam insulation board, the preparation of which comprises the following steps:

[0025] Raw materials: 70kg of cement, 10kg of fly ash, 10kg of phase change material, 0.3kg of polypropylene fiber, 15g of cellulose ether, 34kg of water, 5.5kg of hydrogen peroxide, 5kg of alkaline waterproof foam stabilizer

[0026] Preparation of materials: put water, alkaline waterproof foam stabilizer, polypropylene fiber, and cellulose ether in a mixing device and stir for 10 seconds, then add ordinary Portland cement, fly ash, and phase change materials and stir for 3 minutes until the Mix it into a homogeneous slurry, then add hydrogen peroxide, stir rapidly for 10 seconds, immediately pour the slurry into a mold for foaming and molding, and cure it under natural conditions for 1 day until a certain strength is formed, remove the mold, and cut it to obtain a Phase change self-control temperature cement foam insulation board.

[002...

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Abstract

The invention discloses a phase-change self-temperature-control cement foaming heat preservation board and a manufacturing method thereof. The phase-change self-temperature-control cement foaming heatpreservation board contains a phase-change material and can keep the self temperature changing in a smaller range when the certain external environment temperature changes. The phase-change self-temperature-control cement foaming heat preservation board is prepared from, by weight, 50-80 parts of cement, 10-30 parts of coal ash, 9-12 parts of phase-change materials, 30-50 parts of water, 4-8 parts of hydrogen peroxide, 4-8 parts of an alkaline water-proof foam stabilizer, 0.005-0.25 part of a modifier and 0.2-0.5 part of toughening fiber. The performance density of the phase-change self-temperature-control cement foaming heat preservation board is 201 kg/m<3>, the compression resistance strength reaches 0.7 MPa, the heat conductivity coefficient is as low as 0.049W/(m K), and the burningresistance performance grade reaches A1.

Description

technical field [0001] The invention belongs to the technical field of new wall materials, and in particular relates to a phase-change self-temperature-controlling cement foam insulation board and a production method thereof. Background technique [0002] The foamed cement insulation board adopts the chemical foaming method, adding hydrogen peroxide into the slurry composed of cement, mineral admixture, water, admixture, and toughening fiber, and pouring it into the mold quickly after stirring to form foam, in the natural After being cured under certain conditions to form strength, it is cut to make a porous lightweight insulation board. [0003] The density of the porous foam material is positively correlated with the gas thermal conductivity and heat storage capacity. To make the thermal insulation material have a better heat storage capacity, the density of the material will increase, resulting in an increase in thermal conductivity. Therefore, ultra-light insulation ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B38/02C04B24/36C04B111/28C04B111/40
Inventor 黄绍龙黄修林罗枫姜峰林
Owner HUBEI UNIV
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