The high combustion temperatures melt together the coal ash (largely silica and alumna) and calcium sulfide solids to form an inert slag that drains from the bottom of the boiler.
高温燃烧使得炭灰(富含硅和铝)和硫化钙熔为一体，从而产生固体残渣，从锅炉底部溢出。
2
Regarding environment and comprehensive utilization of slag, fly ash remelt system of wet bottomboiler is positive.