.种类水管锅炉 water tube boiler自然循环锅炉 natural circulation boiler强制循环锅炉 forced circulation boiler直流锅炉 once-through boiler废热锅炉 waster heat boiler乏气锅炉 exhaust gas boiler正压锅炉 supercharged boiler燃煤锅炉 coal fired boiler重油锅炉 heavy oil boiler燃气锅炉 gas fired boiler混烧锅炉 multi-fuel fired boiler超临界压力锅炉 supercritical pressure boiler亚临界压力锅炉 subcritical pressure boiler汽包锅炉 drum boiler辐射式锅炉 radiant boiler室内锅炉 indoor boiler露天锅炉 outdoor boiler辅助锅炉 auxiliary boiler 常压流化床Atmospheric