转炉 除尘系统因设计问题，造成排放的烟气含尘量超标。
Smoke discharged from LD converter has more dust than the standard because of its design.
硫酸电除尘器处理的烟气含尘量高，要求有较高的除尘效率、良好的密封性、较好的绝缘性和保温措施。
The electrostatic precipitator of sulphuric acid plant needs high dust collection efficiency, excellent sealing, and better electrical and thermal insulation to meet high concentration dust.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
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