Device for recovering waste heat of gas boiler

The utility model provides a device for recovering waste heat of gas boiler, including gas boiler, shell and tube type heat exchanger, chimney, moisturizing case, gas boiler installs at the top blastpipe, and the blast pipe winds downwards gas boiler's lateral wall encircles extremely the gas boiler bottom, and be connected to shell and tube type heat exchanger's hot gas feed, shell and tube typeheat exchanger's hot gas exit linkage has the chimney, the tube coupling is passed through extremely in the lower part of moisturizing case shell and tube type heat exchanger's cold fluid inlet, andbe equipped with the circulating pump in the pipeline, shell and tube type heat exchanger's cold fluid issuing passes through the tube coupling extremely the gas boiler bottom. Device for recovering waste heat of gas boiler simple structure, with strong points, can effectively solve simultaneously gas boiler waste heat recovery's problem. 本实用新型提供了种燃气锅炉余热回收装置，包括燃气锅炉、管壳式换热器、烟囱、补水箱；所述燃气锅炉顶部安装有排气管，排气管向下绕所述燃气锅炉的侧壁环绕至所述燃气锅炉底部，并连接