Chain grate biomass boiler is a single barrel longitudinal chain grate boiler. Suitable for burning molded biomass fuel, or pure coal or mixed coal and molded biomass fuel. There is economizer in the tail. The discharged ash and slag can be directly used as farm manure, which is a kind of energy saving and environmental protection product. Equipped with a drum induced draft fan for mechanical ventilation, and equipped with a spiral slag machine to achieve mechanical slag, complete control and monitoring instruments, safe and reliable operation of the boiler. Fuel requirements: coal should meet the requirements of GB/T18342-2001 "Technical Conditions for Coal Used in Chain Grate Boiler", volatile content should be > 20%, granularity requires burning coal that has been sorted or contains less debris, less than 3mm should not exceed 30%, the particle should not be greater than 30mm. Moisture of biomass molded fuel: ≤15%, density: 800~1100㎏ / m 3; The block size is 32×32× (...