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An SDS desulfurization by-product purification system and its purification method (invention)

Hebei Rongxin iron and steel hot blast stove 1#

SDS dry desulfurization injection technology. Each blast furnace flue gas treatment system is equipped with a set of desulfurizer storage and preparation system, including independent powder bin and powder bin accessories, feeder, metering bin, screw feeder and grinder. The grinder adopts domestic high-quality negative pressure mill, one for use and one for standby; The desulfurizer preparation is equipped with mechanical lifting device, which realizes convenient and rapid feeding by manual operation, and the by-product desulfurized ash is recycled by pneumatic conveying.

1. SO2 emission concentration ≤ 20mg / m3; 2. Outlet smoke concentration ≤ 5mg / m3;