| Application (Patent) No.3 Name: A liquid pump liquid direct evaporation multi-connection cooling method and system Public (announcement) day: 2006.06.21 Application (patent) person: Tsinghua University Address: 100084 Beijing 100084-82 mailbox Invention (Design) Person: Yu Yanshun; Shi Wenxing; Li Xianting Summary The utility model relates to a liquid pump liquid direct evaporation multi-connection cooling method and system, belonging to the field of natural cold energy utilization of an air conditioning system. It mainly consists of low temperature cold source, condensing liquefier, liquid receiver, liquid pump, control regulating valve, indoor unit and refrigerant pipeline. The invention is characterized in that the phase change refrigerant is used as the cooling working medium, and the air conditioning area is absorbed by the low temperature cold source (including low temperature ground water, deep reservoir water, river, river, lake, sea water, urban secondary sewage and low temperature air). The gas phase or gas-liquid two-phase refrigerant after indoor residual heat is condensed and liquefied in the condensing liquefier, and the liquefied refrigerant is stored in the liquid reservoir, and then transported to the indoor unit of the air-conditioned area through the liquid pump to absorb the residual heat of the room. Achieve cooling of the area. Compared with the prior art method, the method and system of the invention have no compressor unit and related pipeline bypass device, and the system form is simple, and has energy saving, environmental protection and no noise. |
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