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AssigneesLanzhou Dacheng Technology Co., Ltd., Dunhuang Dacheng Shengneng Technology Co., Ltd.
InventorsDuowang Fan, Duojin Fan, Linggang Kong, Wenye Qi, Yulei Fan, Xiaoming Yao, Zhiyong Zhang, Bo Li, Fujun Zhao, Zhilin Liu, Guodong Wang, Wen Li, Chongchong Zhang
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A low-heat-loss operation method of a line-focusing heat collection system and the line-focusing heat collection system are provided. The method includes the following steps. Solar energy is utilized to preheat a collector tube in an empty tube state, so that the collector tube is in a preheating mode. After a set preheating temperature is reached, a heat transfer working medium is injected into the collector tube. In the injection process of the heat transfer working medium, an injection section of the collector tube is converted into a focusing mode from a preheating mode. After heat collection is finished, the circulation of the heat transfer working medium is stopped, and the focusing mode of the collector tube is kept. In the drainage process of the heat transfer working medium, an emptying section of the collector tube is converted into a light heat-tracing mode from a focusing mode.
A low-heat-loss operation method of a line-focusing heat collection system, comprising the following steps:
A line-focusing heat collection system, comprising collector tubes, a low-temperature tank and a high-temperature tank which respectively communicates with a heat collection inlet and a heat collection outlet of each of the collector tubes, and a heat transfer working medium which is flowed circularly, wherein one drainage tank communicates with the heat collection outlet of each of the collector tubes, each of the collector tubes is matched with a plurality of tracing mechanisms, each of the plurality of the tracing mechanisms is corresponding to one section of the collector tube, an injection section of the collector tube is converted into a focusing mode from a preheating mode by controlling a corresponding one of the plurality of the tracing mechanisms when the heat transfer working medium is injected, and an emptying section of the collector tube is converted into a light heat-tracing mode from a focusing mode by controlling a corresponding one of the plurality of the tracing mechanisms when the heat transfer working medium is drained;
Dependencies are inferred from the claim text.