Plate type heat exchanger unit with steam temperature reduction function

The utility model relates to the technical field of plate-type heat exchanger units, in particular to a plate-type heat exchanger unit with a steam temperature reduction function, which comprises a machine body, a heat exchanger, a steam temperature reduction device and a steam temperature reduction device. And the heat dissipation mechanism comprises a control cylinder, the control cylinder is fixedly connected to the surface of the air outlet pipe, a protective cover is fixedly connected to the end, away from the air outlet pipe, of the control cylinder, an air inlet bin is arranged on the inner side of the protective cover, a control bin is formed in the inner side of the protective cover, and an abutting ball is slidably connected to the inner side of the control bin. Through the action of the abutting ball and the control bin, the abutting ball controls gas entering the control bin, steam heat dissipation of equipment on the supporting frame is achieved, through the action of the telescopic spring, the c