Solar hot water heating test system and heating efficiency test method
A technology of solar water heating and testing system, applied in the direction of solar thermal energy, heating system, heating method, etc., can solve the impact of different energy quality, seldom consider energy quality, and seldom consider the influence of solar energy utilization efficiency on the operating condition of the hot end and other issues, to achieve the effect of the performance calculation formula is accurate
Pending Publication Date: 2021-12-03
SHANDONG JIANZHU UNIV
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Problems solved by technology
At present, the tests of solar heating systems are mostly under laboratory conditions, focusing on the heat collection efficiency of the collector, and rarely considering the operating conditions of the hot end and the influence of the power consumption of the pipeline circulating water pump on the solar energy utilization efficiency of the entire system.
At the same time, the power consumption of the circulating water pump is different from the energy quality of the solar heat gain of the system. At present, the difference in energy quality is rarely considered but directly subtracted and offset
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0039] A solar hot water heating system, including a test platform and an operation control device, the test platform includes a heat collecting end, a heat using end, and testing equipment, and the heat collecting end includes a solar heat collector 1 and a hot water tank. The test equipment includes collector outlet water flow sensor 2, collector outlet water temperature sensor 3, hot water tank outlet water flow sensor, hot water tank outlet water temperatur...
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The invention provides a solar hot water heating test system and a heating efficiency test method, the solar hot water heating test system comprises a test platform and an operation control device, the test platform comprises a heat collection end, a heat utilization end and a test device, and the heat collection end comprises a solar heat collector and a hot water tank. By testing the actual heat collection efficiency of the heat collector, the actual heat utilization efficiency of the heat utilization end, the solar energy utilization efficiency and the solar energy heating effective rate in different states, the two possibilities of testing research and comparative research of the solar hot water heat collector heating system are considered, and the optimal heating mode is obtained through data comparison. The power consumption of the circulating water pump of the system is considered in the testing process and is converted into primary energy for calculation and the influence of environmental factors on the test is comprehensively considered, so that the provided performance calculation formula is more accurate and accords with the reality.
Description
technical field [0001] The invention relates to a solar hot water heating system and a heating efficiency testing method, belonging to the technical field of solar building utilization. Background technique [0002] Solar hot water heating system is an important means to solve rural winter clean energy heating. An efficient solar hot water heating system requires not only high-performance solar collectors, hot water storage tanks, and heat dissipation terminals, but also a comprehensive consideration of the coupling design between heat collection, heat storage, and heat utilization in the system to make solar hot water heating The system runs efficiently. At present, the tests of solar heating systems are mostly under laboratory conditions, focusing on the heat collection efficiency of the collector, but rarely considering the operating conditions of the hot end and the influence of the power consumption of the pipeline circulating water pump on the solar energy utilization...
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Login to View More IPC IPC(8): G01L3/26F24D19/10
CPCG01L3/26F24D19/1006F24D2200/14Y02B10/20Y02B10/70
Inventor 杨倩苗孙志中于洪文尹红梅张磊
Owner SHANDONG JIANZHU UNIV