The appearance of black smoke in grate furnaces is due to insufficient mixing, the crux of which lies in the furnacearch.
火床炉冒黑烟是一个混合不良问题,而混合的关键在于炉拱。
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The paper gives a detailed introduction to the typical structure and manufacturing method of drum, waterwall, burner and waterwall header of the 300mw double archfurnace boiler produced by DBC.