High-energy-efficiency air source heat pump during partial load operation
An air source heat pump, part load technology, used in heat pumps, lighting and heating equipment, compressors with reversible cycles, etc., can solve problems such as low energy efficiency and idle fin heat exchangers
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[0019] Such as Figure 1-2 As shown, a high-energy-efficiency air source heat pump in part-load operation includes two subsystems arranged symmetrically, and the two subsystems share a shell-and-tube heat exchanger 3, and each of the subsystems is connected to two Fin heat exchanger 9, the inlet front ends of the two fin heat exchangers 9 are connected in parallel through the first Y-type three-way valve 14 and the second Y-type three-way valve 15, and the two fin heat exchangers 9 The rear end of the outlet is connected in parallel through the third Y-type three-way valve 16 and the fourth Y-type three-way valve 17. The subsystem includes a compressor 1, a four-way valve 2, a balance tank 4, a two-way dry filter 5, an economizer 6 and gas-liquid separator 11, the compressor 1, the four-way valve 2, the shell-and-tube heat exchanger 3, the balance tank 4, the two-way dry filter 5 and the economizer 6 are connected in sequence , the pipeline between the economizer 6 and the fi...
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