Fluidized Bed Combustion of Coarse Size Coal
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概要
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To establish the technology of coarse size coal (i.e. 25mm under) combustion by fluidized bed, experimental study was carried out using combustor which has 0.25m square section and 4m height without any crushing and screening process.<BR>By recycling of a part of overflowed ash (i.e . 2mm under), stable operation was obtained without deposition of coarse size ashes . Because of unstable coal feed rate, the value of combustion efficiency was not so high, but it was expected that higher value could be obtained by stable coal feed rate . The two-stage combustion method showed about 130ppm NO<SUB>x</SUB> emission level at 1.0 primary air ratio.<BR>It was found from the above results that the utilization of coarse size coal is one of advanced technology for fluidized bed combustion.
- 一般社団法人 日本エネルギー学会の論文
一般社団法人 日本エネルギー学会 | 論文
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