Fuel supply of biomass boiler: The fuel of biomass boiler is biomass modeling fuel that will be carried into the top of boiler's bunker by transporting machine. And then flow into furnace by a screw feeder, BMF will be scattered on the grate evenly.
Combustion process of biomass boiler: fuel will be fed into furnace through screw feeder where BMF can be preheated and dried gradually due to the high temperature flue gas and wind. And then burned vigorously, a large number of heat will be produced in the whole process. High temperature gas scour the main heating surface of boiler and then entering the boiler heating surface at the economizer and air preheater. And next step is flow into dust collector, finally through the chimney into the atmosphere. Not gasification fuel move at the back of grate until it is burnt out. Finally the rest of the small amount of ash fall into the slag at the back of grate.
Environmental emission of biomass boiler: ash from the burning of BMF accounted for about 1.5% of the fuel, the rear of boiler decorated with spiral slag machine for the convenience of ash discharge, and we can realize continuous ash removal. At the end of boiler flue arrange with dust collector to ensure that the carbon accord with environmental protection requirement.
Efficiency of biomass boiler: efficiency of biomass boiler is generally over 80%, the boiler more big, burning more fully and the boiler efficiency is higher. The highest reached 88.3%, 15% higher than the average efficiency of coal-fired boiler.
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