What is the usage of the biomass burner, only for boiler?

It is widely used to connect with Fuel gas/oil/coal boiler industry (steam boiler, thermal oil furnace, hot water boiler), smelting industry (aluminum melting furnace, reverberatory furnace), drying industry (food drying, sawdust/wood chips/biomass drying), spray coating industry (metal spraying, electroplating heating), greenhouse, building industry (asphalt heating).