The existing state of trace element in coal and variation of operation conditions have great effects on the enrichment of trace element in fly ash and bottom slag.

微量元素在煤中的赋存形态和锅炉运行工况的变化影响微量元素在底渣和电除尘器飞灰中的富集。

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It introduces the technology of producing clean high-silicon silicomanganese. Fine materials, higher furnace temperature, suitable slag basicity and correct operation are all needed in the technology.

介绍了纯净高硅锰硅合金的生产工艺，即要有优质的原料、较高的炉温、合适的炉渣碱度和正确的冶炼操作方法。

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Carbide slag used as desulfurizer instead of quicklime or white lime is an effective way to reduce the(operation) cost of dry flue gas desulfurization(DFGD) system.

干法烟气脱硫一般采用生石灰或者熟石灰作为脱硫剂，采用电石渣作为脱硫剂以废制废，有效降低了干法烟气脱硫的运行成本。

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