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A preparation method of waterproof phase-change energy storage slurry for roofs warm in winter and cool in summer

A technology of phase change energy storage and preparation method is applied in the field of preparation of waterproof phase change energy storage slurry for roofs that are warm in winter and cool in summer, can solve problems such as inconvenience, and achieve the effects of low cost and simple and convenient operation.

Active Publication Date: 2017-05-24
贵州华益能环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the heat radiation of the cement roof, the commonly used method is to adopt the method of air barriers, that is, some vertical and horizontal short partition walls are built with bricks on the roof, and then covered with waterproof materials, such as slate, asbestos tiles, cement boards, etc. But once the roof leaks, it is very inconvenient to remove the covering and knock down the brick partition wall

Method used

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  • A preparation method of waterproof phase-change energy storage slurry for roofs warm in winter and cool in summer
  • A preparation method of waterproof phase-change energy storage slurry for roofs warm in winter and cool in summer
  • A preparation method of waterproof phase-change energy storage slurry for roofs warm in winter and cool in summer

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Embodiment 1, the preparation of 10 wt % polyvinyl alcohol aqueous solution

[0036] Weigh 100g of polyvinyl alcohol, 400g of water, swell with hot water at 100°C, add the remaining 500g of hot water, heat to boil, stir until there are no particles, and completely dissolve the polyvinyl alcohol.

Embodiment 2

[0037] Example 2, CaCl 2 ·6H 2 O The preparation method of energy storage capsules, according to the following steps:

[0038] (1) Weigh CaCl 2 ·6H 2 O 40g, polyvinyl alcohol 10g, water 40g, mix well, heat to 90°C to make energy storage liquid C;

[0039] (2) Weigh 70g of borax, CaCl 2 ·6H 2 O 20g, water 20g, mix well, heat at 200°C for 30 minutes, take out, cool and crush to 2mm particle B;

[0040] (3) Take by weighing 98g of cement, 2g of zinc stearate, mix well, and grind to obtain coating powder A;

[0041] (4) Weigh 20g of granule B and 80g of energy storage solution C, mix well, add 100g of coating powder A and mix well.

Embodiment 3

[0042] Example 3, CaCl 2 ·6H 2 The preparation method of O anti-cold frozen capsule

[0043] (1) Weigh CaCl 2 ·6H 2 O 40g, polyvinyl alcohol 10g, water 50g, zinc stearate 2g, mix evenly, heat to 90 ℃ and boil to form a gel, cool, add 25g boric acid to make the gel lose its viscosity, get capsules, wash with circulating water until washing Liquid pH = 6.5, dry at room temperature.

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Abstract

The invention provides a compounding method of a waterproof phase-change energy storing sizing agent for roof surfaces to reach the purpose of being cool in summer and warm in winter, and relates to the compounding of waterproof heat-insulating materials for roof surfaces. The waterproof phase-change energy storing sizing agent is prepared by compounding a polyvinyl alcohol aqueous solution, cement, lithopone, a CaCl2.6H2O energy storing capsule, a CaCl2.6H2O antifreezing capsule and water in proportion. The invention further comprises a preparation method of the CaCl2.6H2O energy storing capsule, and a prepration method of the CaCl2.6H2O antifreezing capsule. Compared with the prior art, the compounding method disclosed by the invention is simple and convenient to operate and low in cost.

Description

technical field [0001] The invention relates to a preparation method for preparing roof phase-change energy storage slurry, in particular to a preparation method of waterproof phase-change energy storage slurry for roofs that are warm in winter and cool in summer. Background technique [0002] At present, most of the residential buildings in our country have cement roofs, and there are generally two major problems with cement roofs. One is waterproof. The joints of prefabricated panels often leak due to poor sealing; the other is the heat radiation of cement, which is hot in summer. , The cement board radiates heat to the top room, just like being in a steamer. In winter, it is freezing, and the cement board radiates severe cold to the top room, like being in an ice cellar. Residents on the top floor of the general housing have a deep understanding of this. In order to prevent rain leakage, asphalt is generally used for coating, but after being exposed to the sun and rain, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C09K5/06
Inventor 骆相全
Owner 贵州华益能环保科技有限公司