Solar closed heat storage system
A heat storage system and solar energy technology, applied in the field of solar heat storage systems, can solve problems such as broken heat collector tubes of trough power stations, blockage of heat collector pipes, etc.
Inactive Publication Date: 2014-12-24
ZHEJIANG TONKING NEW ENERGY GRP
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Problems solved by technology
[0002] At present, there are many energy storage methods, and the mainstream application is molten salt energy storage technology. Due to the high freezing point, this makes it easier to cause blockage of the heat collector pipe.
In the heat transfer system, the freezing of molten salt will cause a greater risk, which may lead to the rupture of the heat collector tube of the trough power station
Method used
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Embodiment Construction
[0016] High temperature resistant cement concrete storage tank (referred to as "storage tank") refers to an integrated engineering composite material made of high temperature resistant cement, sand, stone, etc. mixed with water. "Energy storage crushed stone" refers to crushed stone that can store heat. A gap is formed between the crushed stone and the crushed stone for airflow.
[0017] See figure 1 As shown, the present invention includes a heat storage tank 4 with an inner insulation layer 7, a solar concentrating receiving system 3 (or a heat receiver), a high-pressure fan 8, a compressor 10, valve pipes 13, 14, 15, 16, and energy storage The stone material 5 and the annular high temperature resistant cement concrete storage tank 6 containing the energy storage crushed stone material 5 are formed.
[0018] figure 1 The solar concentrating receiving system 3 in the illustrated embodiment refers to the collector of the dish-type solar thermal power generation system, and the im...
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The invention aims to provide a solar closed heat storage system which comprises a heat storage tank, a solar condensed light receiving system, a high pressure draught fan, energy storage macadam materials and storage boxes for containing the energy storage macadam materials. The storage boxes are made of high temperature resistance cement concrete, and the storage boxes are placed in the heat storage tank. The heat storage tank supplies an air flow channel to enable air flow to flow through energy storage macadam in the storage boxes. The heat storage tank, the solar condensed light receiving system and the high pressure draught fan are connected to constitute an air flow circulation loop through pipelines and valves. In the air flow circulation loop, under the pushing effect of the high pressure draught fan, after flowing through the solar condensed light receiving system, air flow working media are heated by solar energy, the temperature of the air flow working media rises, then the air flow working media conduct heat exchange with the energy storage macadam in the storage boxes through the air flow channel, the temperature of the air flow working media is lowered, and then the air flow working media flow to the solar condensed light receiving system to conduct the next circulation.
Description
Technical field [0001] The invention relates to a solar heat storage system. Background technique [0002] There are many current energy storage methods, and the mainstream application is molten salt energy storage technology. Due to the high freezing point, it is easier to cause blockage of the heat collection tube. In the heat transfer system, the freezing of molten salt will cause a greater risk, which can lead to the fracture of the heat collection tube of the trough-type power station. Summary of the invention [0003] The purpose of the present invention is to provide a closed solar heat storage system. [0004] The concept of the present invention is to use crushed stones to store energy, use high-temperature cement storage tanks, and separate storage of stones to solve the stress problem of the container. [0005] The closed solar heat storage system for the purpose of the solid line is characterized by including a heat storage tank, a solar concentrating receiving system, a...
Claims
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IPC IPC(8): F24J2/34
CPCY02E10/40
Inventor 吴建农叶玉芬
Owner ZHEJIANG TONKING NEW ENERGY GRP