... gas engine is multi-functional types of biomass pyrolysis, a reliable converted to high-quality no residual heat, instead of coal, ... production, the cost of 290 yuan per ton or so. 3: screw feed, high temperature oxygen, temperature control replenishment automatic ... aeration, combustion of raw materials to maximize the thermal efficiency up to 95%, temperature up to 800-1200 °C. 5: coal than coal- ...