Low-temperature thermal source heat pump capacity regulation method
A capacity adjustment, low temperature heat source technology, applied in heat pumps, lighting and heating equipment, refrigeration components, etc., can solve the problems of system performance degradation, low air temperature, affecting indoor comfort, etc., to achieve less system start and stop, high efficiency, Air conditioning works well
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[0014] Since the system of the present invention adopts a variable capacity mode, more refrigerants need to be used than conventional systems, and excess volume needs to be stored during operation. In order to achieve this purpose, the system uses a high-pressure liquid storage tank 5 and a low-pressure liquid storage tank 16. In the low-pressure liquid storage tank 16, the excess refrigerant mixture with a high boiling point relative to the system circulation concentration is stored. In the high-pressure liquid storage tank 5 holds excess refrigerant at the same concentration as the system.
[0015] According to the present invention, the heat pump system uses a certain amount of two (multiple) component non-azeotropic mixed refrigerants sufficient to realize the system capacity, and one (or more) components in the refrigerant have a higher boiling point than other components in the mixture ; A rectification column 15 feeds the low-pressure liquid storage tank 16 and removes ...
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