Built -in gas heat exchanger and adopt catalytic converter of this kind of heat exchanger

The utility model relates to a built -in gas heat exchanger and adopt catalytic converter of this kind of heat exchanger, the heat exchanger includes a plurality of heat exchanger tube bundles, heat exchanger tube bundles is located reactor, the sealed cavity of its access connection import, and exit linkage exit seal cavity, import the casing outside that sealed cavity and exit seal cavity are located the reactor, be equipped with exothermic medium respectively and insert mouth and exothermic medium discharge port, each the place ahead of heat exchanger tube bundles all is equipped with a shielding plate, the shielding plate is middle part protruding V -arrangement board forward, shelters from whole front face areas of corresponding heat exchanger tube bundles, is equipped with the support that is used for supporting each heat exchanger tube bundles, the support fixed mounting be in in the casing, reactor is equipped with above -mentioned built -in gas heat exchanger. The utility model discloses help reducin