Heat-source-reusing integrated heat exchange unit

A heat-source-reusing integrated heat exchange unit comprises a lithium bromide absorbing-type heat pump, a plate-type heat exchanger, a secondary network circulating water pump, a secondary network water replenishing system, an electric control system, a pipeline, a valve and the like. The lithium bromide absorbing-type heat pump comprises a generator, a condenser, an evaporator, an absorber, a solution pump, a refrigerant pump and a solution heat exchanger, an inlet of the generator is connected with a primary network water supply device while an outlet of the same is connected with the plate-type heat exchanger which is connected with the evaporator, an outlet of the evaporator is connected with a primary network water returning device, an inlet of the absorber is connected with a secondary network water returning device through the secondary network circulating water pump while an outlet of the same is connected with an inlet of the condenser, an outlet of the condenser is connected with a secondary netwo