"HUOTONG" New Model of Environmental Protection Products-Electrothermal Boiler-Coal Gasification Boiler: Main feature: *Well in environmental protection, no smoke dust during operation. *Low operation cost, a perfect substitutable product of oil (gas) boiler. *Easy to operate, high safety, auto operation combined with hand operation *Set with gas leakage alarm system, it raises the furnace temperature quikly, the gas easy to be fired and improving the efficiency. *In order to prevent explosion, there is a flame detection wand in combustion system, the system can cut off the gas source when the flame detection wand did not detect the flame. *There is a big enough blast-resistant door in the boiler which can release pressure when explosion happened to make sure the bolier's operation. *The technology is applied to coal bolier which get the standard of flue gas emission and conveniently reconstruction