Energy-storage materials of construction and its preparation method
A technology for building energy storage and energy storage, applied in building components, heat exchange materials, chemical instruments and methods, etc., can solve the problems of liquid phase leakage and corrosion of energy storage materials, reduce peak loads, and reduce the number of starts and stops , The effect of reducing equipment purchase and maintenance costs
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Embodiment 1
[0025] A building energy storage material according to the present invention is formed by mixing the following mass percentages: heptadecane (4.2%), octadecane (46.8%), nonadecane (36%) and eicosane (13% ).
[0026] The mixture was heated to a completely molten state and stirred well to form a eutectic mixture. It has been determined that its solidification temperature is 23.5°C, its melting temperature is 26.8°C, and its latent heat of fusion is 142.5kJ / kg.
[0027] The eutectic mixture is packaged in a spherical hollow plastic cavity with good thermal conductivity; and the spherical energy storage body is filled into the cavity of the hollow brick to form a building energy storage material.
Embodiment 2
[0029] A building energy storage material according to the present invention is formed by mixing the following mass percentages: heptadecane (3%), octadecane (48%), nonadecane (38%) and eicosane (11% ).
[0030] The mixture was heated to a completely molten state and stirred well to form a eutectic mixture. It is determined that its solidification temperature is 24.2°C, its melting temperature is 27.2°C, and its latent heat of fusion is 140.8kJ / kg.
[0031] The eutectic mixture is packaged in a cylindrical hollow plastic cavity with good thermal conductivity; and the cylindrical energy storage body is filled into the cavity of the hollow brick to form a building energy storage material.
Embodiment 3
[0033] A building energy storage material according to the present invention is formed by mixing the following mass percentages: heptadecane (5%), octadecane (46%), nonadecane (34%) and eicosane (15% ).
[0034] The mixture was heated to a completely molten state and stirred well to form a eutectic mixture. It is determined that its solidification temperature is 24.9°C, its melting temperature is 27.5°C, and its latent heat of fusion is 141.6kJ / kg.
[0035]The eutectic mixture is packaged in a spherical hollow plastic cavity with good thermal conductivity; and the spherical energy storage body is filled into the cavity of the hollow brick to form a building energy storage material.
[0036] The building energy storage material made by the invention helps to maintain the required temperature and humidity indoors, thus reducing the energy consumption of building heating and air conditioning. At the same time, the energy storage material is non-toxic, non-corrosive, has no supe...
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