A Clean Coal Efficient Combustion Process
An efficient and clean technology, applied in combustion methods, combustion product treatment, emission prevention, etc., can solve the problems of inability to remove fine coal ash, fugitive dust and air pollution, and achieve stable connection structure, reduce pollution, and save water.
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[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0033] A clean coal efficient combustion process, such as figure 1 As shown, it mainly includes the following steps:
[0034] Step S1: Combustion, the furnace 1 is divided into a main combustion zone 11, a reburning zone 12 and a burnout zone 13 from bottom to top. 80%~85% of the pulverized coal is transported to the main combustion zone 11 in the furnace 1 through the coal feeder, and the pulverized coal is ignited. Air is delivered to the main combustion zone 11 by the first blower for combustion of pulverized coal, and the excess air coefficient of the main combustion zone 11 is 0.9-1.0. 15% to 20% of the pulverized coal is transported to the reburning zone 12 in the furnace 1 by a coal feeder, and the air is transported to the reburning zone 12 by a second blower fan for combustion of the pulverized coal. The excess air coefficient of the reburning zone...
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