| 摘要 |
The present invention relates to an absorptive heat pump circulation systems and heating method. According to the present invention, an absorption heat pump circulation system comprises: a generator, equipped with a heat exchanger; an evaporator, equipped with a driving heat source; an absorber, equipped with a heat exchanger; and an absorbent crystallizer. An absorption solution entrance of the crystallizer is connected to an absorption solution exit of the absorber and a crystallized absorption solution exit of the crystallizer is connected to an absorption solution entrance of the generator, and a crystal output of the crystallizer is connected to an absorption solution Entrance of the absorber; The heat exchanger of the generator and the heat exchanger of the absorber are connected to form a thermal cycling loop, which transfers the absorption heat generated by the absorber to the generator. Since the absorbent crystallizer is provided, and the heat generated by the absorber is provided to the generator directly through the thermal cycling loop, then the external driving heat source required by the generator in the traditional absorption heating circulation system is essentially saved, so that the coefficient of performance is significantly improved. The present invention extensively applies to the utilization of excess heat at a low temperature as well as energy-saving and emission-reducing in the fields such as chemical industry, food industry, sewage treatment, sea water desalination and so on.
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