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A technology for solar water heaters and solar energy absorption, applied in the field of F24J and solar energy, can solve problems such as inability to eliminate thermal bridges, reduce thermal conductivity, etc., and achieve the effects of saving space and materials, reducing consumption, and high functionality
Active Publication Date: 2014-12-17
QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL
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Problems solved by technology
The thermal insulation block in the existing published patent reduces the thermal conductivity by increasing the void ratio and the thickness of the thermal insulation core material, and fails to solve the thermal bridge effect at its own joints well, and the pouring of the mortar joints cannot eliminate the thermal bridge
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Embodiment 1
[0051] Example 1 for the concrete matrix is as follows:
[0052] 20 parts of coarse aggregate, 20 parts of light aggregate, 10 parts of fly ash, 0.1 part of polypropylene fiber, 0.15 part of water reducing agent, 0.2 part of calcium formate, and the rest is fast hardening cement.
Embodiment 2
[0054] 30 parts of fast hardening cement, 20 parts of coarse aggregate, 20 parts of light aggregate, 0.2 part of polypropylene fiber, 0.15 part of water reducing agent, 0.3 part of calcium formate, and the rest is fly ash.
Embodiment 3
[0056] 50 parts of fast hardening cement, 10 parts of coarse aggregate, 10 parts of light aggregate, 0.1 part of polypropylene fiber, 0.2 part of water reducing agent, 0.3 part of calcium formate, and the rest is fly ash.
[0057] As a preferred embodiment, the polypropylene fiber can be replaced with the following fiber, the fiber is glass fiber chopped strand, ultra-fine glass wool, flame cotton, aluminum silicate cotton, ceramic fiber cotton, brucite fiber, foam A mixture composed of one or more of, cotton and rayon in any ratio, with a length of 3-12mm and a fiber diameter of 0.2-13μm.
[0058] Preferably, the fiber may be composed of glass fiber chopped strands, ultra-fine glass wool, flame cotton, aluminum silicate cotton, ceramic fiber cotton, and the ratio of the five components is 1:2:1.5:1:3.
[0059] Example 1 of the preparation of the vacuum insulation composite thermal insulation block is as follows:
[0060] 1) The raw materials of the concrete matrix (1) are transported...
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Abstract
The invention discloses a solar water heater, which comprises a water tank, wherein the water tank is used for storing heated hot water and is of a cube structure, a heat insulation layer is arranged outside the cube structure, the heat insulation layer is a heat insulation building block and is formed by compounding a concrete substrate (1) and a vacuum heat insulation plate (2), the vacuum heat insulation plate (2) is positioned in an open groove of the concrete substrate (1), and mortices (3) and glossal grooves (4) are formed at the upper and lower sides and the left side and the right side of the heat insulation building block. The solar water heater has the advantages that the heat insulation building bock is adopted, the heat loss is effectively prevented, and the energy sources are saved.
Description
Technical field [0001] The invention belongs to the field of solar energy, and in particular relates to a solar water heater with a thermal insulation structure, belonging to the field of F24J. [0002] Background technique [0003] Solar energy is an inexhaustible clean energy, and the resources are huge. Countries all over the world have regarded the use of solar energy as an important item in the development of new energy. The Chinese government has also clearly stated in the "Government Work Report" Actively develop new energy. [0004] The vacuum insulation panel (Chinese patent CN102720922B) is based on the principle of vacuum insulation, which reduces convection and radiation heat exchange by maximizing the vacuum degree in the panel and filling it with core insulation material. The thermal conductivity can reach 0.003W / (m·K)~0.008W / (m·K), the performance is far better than ordinary insulation materials, and the thickness of the insulation layer can be greatly reduced, there...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/51C04B28/00E04C1/41
CPCF24S60/30F24S80/60Y02B10/20Y02E10/40
Inventor 侯钦鹏
Owner QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL
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