Flexible tube plate structure coping with tube shell side pressure difference and corresponding waste heat boiler

The utility model relates to the technical field of heat exchange equipment, in particular to a flexible tube plate structure coping with tube shell side pressure difference and a corresponding waste heat boiler, the flexible tube plate structure comprises an inlet tube box, an outlet tube box and a shell side barrel, the flexible tube plate structure comprises a thin tube plate and a plurality of supporting plates arranged in parallel, each supporting plate comprises a plate body and a plurality of pull rods, and the pull rods are arranged on the thin tube plate. A plurality of rows of supporting holes are formed in the thin tube plate; a plurality of pull rods are inserted into the supporting holes in the corresponding rows and are welded and fixed in a counter bore welding manner; a plurality of reinforcing plates are welded and fixed between every two adjacent supporting plates; and the baffle ring is used for limiting the supporting plate. Compared with the prior art that a plurality of lacing wires are