Solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and device
A technology of phase change energy storage and photothermal power generation, applied in solar thermal power generation, solar thermal devices, heating devices, etc., to achieve the effects of easy use, easy maintenance, and high heating efficiency
Inactive Publication Date: 2012-09-05
江苏太阳宝新能源有限公司
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[0005] The technical problem to be solved by the present invention is to propose a technology and device for solving the problems of temperature stratification, condensation and solidification of phase change energy storage materials in the heat storage tank
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[0016] The present invention will now be described in further detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0017] Such as figure 1 As shown, a solar thermal power generation phase change energy storage medium melting and anti-condensation device includes a heat supply system 1 and a heat storage tank 7 connected into a circulation loop through pipelines; the bottom of the heat storage tank 7 is provided with fins Finned coils 8; finned coils 8 are arranged on the tank bottom and bottom tank wall of the heat storage tank body 7; the connecting pipeline 2 is provided with a one-way control valve 5 and a three-way control valve 3 .
[0018] The direction of the arrow in the figure is the gas flow direction. When the solar thermal ...
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The invention relates to a solar photo-thermal generation phase-change energy storage medium melting and anti-condensation technology and a device. When in primary melting of the solar photo-thermal generation phase-change energy storage medium, high-temperature gas provided by a heating system enters a coil pipe through a pipeline to transfer heat and melts the phase-change energy storage medium in a heat storage tank. In the case of thermal stratification, condensation and solidification of the energy storage medium, under the effect of convection or mechanical mixed flow, the heat storage phase-change material in the heat storage tank has uniform temperature, and thus the problems of thermal stratification, condensation, solidification and the like of the phase-change energy storage material in the heat storage tank are solved. The device provided by the invention is clean, safe and efficient, and solves the problems in melting and condensation prevention of the solar photo-thermal generation phase-change energy storage medium.
Description
technical field [0001] The invention belongs to the technical field of solar photothermal power generation energy storage, and in particular relates to a melting and anti-condensation technology and device for a phase change energy storage medium of solar photothermal power generation. Background technique [0002] The solar thermal power generation energy storage system must have a heat storage medium for high temperature heat transfer. The heat storage medium is generally molten salt or other phase change materials. These heat storage media need to be melted before use. run in the system; [0003] For the high-temperature heat storage medium used in the solar thermal power generation energy storage system, due to special reasons, the temperature difference between the liquid surface of the heat storage medium in the heat storage tank and the bottom increases, and temperature stratification is prone to occur, and the bottom temperature decreases and condensation and solidif...
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IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 张雷刘平心何毅刘国敏郭廷伟殷建平田洪增
Owner 江苏太阳宝新能源有限公司