Sulphuric acid waste water waste heat recovery device

The utility model discloses a sulphuric acid waste water waste heat recovery device, including the device main part, the inner lateral wall fix with screw of device main part has the heat preservation, outer end lateral wall riveting has the sewage inlet tube in the middle of the device main part, the sealing washer is installed to the one end lateral wall of sewage inlet tube, the one end lateralwall welding of sealing washer has the rivers passageway, the upper end lateral wall fix with screw of rivers passageway has hot exchange pipe, hot exchange pipe's one end inner wall riveting has copper core pipe, the distributing fin board is installed to the outer end inner wall of copper core pipe, the outer end lateral wall of sewage inlet tube is fixed with the installation and presss from both sides, the one end lateral wall fixedly connected with elastic rod that the installation was pressed from both sides, the outer end lateral wall movable rod of elastic rod is connected with placesthe board, the one end la