Slag sample (four nozzles)
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What causes the small white spots in the slag?
It uses Shenhua coal, right? Are the white spots in the slag caused by limestone, or is it wear and tear on the inlet duct of the mill? In fact, carbon is fully oxidized; the amount of residual carbon in the slag is very small. The slag mainly consists of inorganic substances such as calcium carbonate and sodium silicate, and most of these inorganic salts are white in color.