Anti-corrosive tube type heat exchanger

The utility model provides an anti-corrosive tube type heat exchanger, comprising a barrel body, an upper tube plate, a lower tube plate and cooling water tubes, wherein fiber reinforced compound plastic layers are respectively compounded on the inner walls of an upper end socket and a lower socket; a fluorine plastic layer is compounded on the inner wall of the barrel body; the fluorine plastic layers are respectively arranged on the upper surface and the lower surface of the upper tube plate, as well as on the upper surface and the lower surface of the lower tube plate; for each cooling water tube, the fluorine plastic layer is compounded on the outer wall of a copper tube; and the two ends of each cooling water tube are respectively connected with corresponding tube holes in the upper tube plate and the lower tube plate through an ethylene propylene diene monomer seal envelope. All the parts touching a corrosive solution are respectively compounded with the fluorine plastic layer; and due to the utilizatio