Abstract: An absorption heat pump system and a method for increasing the energy grade using the excess heat at a low temperature are provided. The absorption heat pump system comprises a heat pump generator (11), a heat pump condenser (12), a heat pump evaporator (13), a heat pump absorber (14), and an absorbent crystallizer (141). The absorbent crystallizer (141) has an inlet for the absorption solution, an outlet for the absorption solution and an outlet for the absorption solution containing absorbent crystals; The inlet for the absorption solution connects to the heat pump absorber (14), The outlet for the absorption solution connects to the heat pump generator (11), The outlet for the absorption solution containing absorbent crystals connects to the heat pump absorber (14). The absorption heat pump system can further comprise absorption refrigeration circulation subsystem, and the cooling medium produced by the refrigeration evaporator circulates between the refrigeration evaporator and the heat pump condenser.

Abstract: A heat pump cycle system and a method for providing combined cooling and heating supply are disclosed. The heat pump cycle system comprises a working medium reservoir, an absorbing solution reservoir, and a compression heat pump. The upper portions of the working medium reservoir and the absorbing solution reservoir are connected by a gas passage. The compression heat pump comprises a compressor, a condenser, a throttle valve and an evaporator, all of which are connected by a steam pipeline accordingly. The working medium reservoir contains a working medium and further comprises a first heat exchanger, and the evaporator. The absorbing solution reservoir contains an absorbing solution and further comprises a second heat exchanger and the condenser. The system utilizes electricity during the electricity consumption trough, to operate the compression heat pump cycle during the reproducing process.

Abstract: An absorption heat pump system and a method for increasing the energy grade using the excess heat at a low temperature are provided. The absorption heat pump system comprises a heat pump generator (11), a heat pump condenser (12), a heat pump evaporator (13), a heat pump absorber (14), and an absorbent crystallizer (141). The absorbent crystallizer (141) has an inlet for the absorption solution, an outlet for the absorption solution and an outlet for the absorption solution containing absorbent crystals; The inlet for the absorption solution connects to the heat pump absorber (14), The outlet for the absorption solution connects to the heat pump generator (11), The outlet for the absorption solution containing absorbent crystals connects to the heat pump absorber (14). The absorption heat pump system can further comprise absorption refrigeration circulation subsystem, and the cooling medium produced by the refrigeration evaporator circulates between the refrigeration evaporator and the heat pump condenser.

Abstract: 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.