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Particulate waste wood fuel, method for making particulate waste wood fuel, and a method for producing energy with particulate waste wood fuel
Particulate waste wood fuel, method for making particulate waste wood fuel, and a method for producing energy with particulate waste wood fuel
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机译:颗粒状废木燃料,颗粒状废木燃料的制造方法以及利用颗粒状废木燃料生产能量的方法
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摘要
A particulate waste wood fuel comprising wood particles comprising less than 20% water by weight and having a particle size distribution suitable for combustion of the particulate wood fuel in a particulate fossil fuel suspension furnace. A method for making the particulate wood fuel includes shredding of waste wood and drying the shredded waste wood to obtain the desired particle size distribution and water content. A method for producing energy comprises injecting the particulate wood fuel into the combustion chamber of a particulate fuel suspension furnace separately from a particulate fossil fuel which is also injected into the combustion chamber. The particulate fossil fuel and particulate wood fuel are combusted in the combustion chamber in a gas flow through the combustion chamber to form a flame in the gas flow. The wood particles are substantially completely combusted within the combustion chamber while suspended in the gas flow and are not combusted at the furnace wall. The method of producing energy is particularly suited for tangentially-fired pulverized coal suspension furnaces such as are contained in some utility boilers.
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