Gas plate type heat exchanger for recycling waste heat of high-temperature hot smoke of rotary kiln

The utility model discloses a gas plate type heat exchanger for recycling high-temperature hot smoke waste heat of a rotary kiln, which comprises a heat conducting plate, an inner groove formed along one side surface of the heat conducting plate and close to the edge, and an arched clamping cover arranged on the other side surface and close to the edge, ports on the two sides of the inner groove are of a fillet structure, the arc tops of the two fillets are arranged adjacently, and hook parts are arranged on the arc tops of the two fillets respectively. Hook grooves matched with the hook parts in outline are symmetrically formed in the arched clamping cover; a limiting part is arranged on one side of the heat conducting plate, the limiting part is located in the arched clamping cover, and the arc top of the limiting part is sunken and corresponds to the arc top of the arched clamping cover; and a pushing part is arranged at the arc top of the inner side of the inner groove. After the heat conducting plate is