fire tube hot water boiler for industry

Fire-tube boiler – Wikipedia Horizontal return tubular boiler (HRT) has a horizontal cylindrical shell, containing several horizontal flue tubes, with the fire located directly below the boiler’s …China Hot Oil Boiler, Steam Boiler, HotJiangsu Runli Boiler Co., Ltd. Hot Oil Boiler, Steam Boiler, Hot Water Boiler manufacturer / supplier in China, offering Oil Boiler with…