Combined heat and power generation equipment based on hydrogen fuel cell

The utility model discloses combined heat and power generation equipment based on a hydrogen fuel cell. The combined heat and power generation equipment comprises an electric pile cooling system and a heat utilization system which are connected in parallel, the electric pile cooling system and the heat utilization system are connected in parallel through a plate heat exchanger; a cooling liquid outlet of the galvanic pile is connected with a hot side inlet of the plate heat exchanger, and a hot side outlet of the plate heat exchanger is connected with a cooling liquid inlet of the galvanic pile to form a galvanic pile cooling system; the heat utilization system comprises a first pipeline heater, an immersed heat exchanger, a closed cooling tower and a second pipeline heater, a cold side inlet of the plate heat exchanger is connected with the first pipeline heater, and an outlet of the second pipeline heater is fixedly connected with an inlet of the plate heat exchanger; the first pipeline heater, the immersed