Shot blasting treatment, anti corrosion, long use life. Can use biogas and coal as fuel. ISO9001:2008 certification. Introduction Biogas boiler has two series hot water boiler and steam boiler. Combustion system has automatic control biogas boiler and semi-automatic biogas boiler. There are biogas and coal, biogas and electricity, biogas and oil gas dual use boiler. Biogas boiler mainly used in the wastewater treatment of farm, abattoir, winery, paper mill, beverage factory, starch factory, has several series, burn biogas, biogas and coal, biogas and oil, biogas and natural gas, etc. Performance and characteristics 1. Boiler uses renewable energy biogas as fuel, has no pollution, belongs to Green Environmental Production. Can used for heating and hot water. 2. Use automatic combustor, automatic windsweeper and ignition, can prevent gas leakage. 3. Has automatic control devices, can control feed pump and circulating pump, can set temperature, and automatic stop when to the setting temperature. 4. Boiler external use rook wool for heat preservation, and packed with color coated sheet, has nice appearance and small floor space.