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A horizontal wide body reactor for sodium based dry desulfurization

Hebei Wenfeng iron and steel hot blast stove 1#

The flue gas from the hot blast stove enters the sodium based (NaHCO3) dry desulfurization (sodium based dry) dust removal integrated system. The flue gas first enters the sodium based dry desulfurization reactor, and the sodium bicarbonate ultra-fine powder is injected into the sodium based dry desulfurization reactor. The sodium bicarbonate ultra-fine powder decomposes into highly active sodium carbonate and carbon dioxide under the action of high-temperature flue gas. The highly active Na2CO3 is fully contacted with SO2 and other acidic media in the flue gas to produce chemical reaction and be absorbed and purified. After desulfurization, the powdery particle products enter the bag filter with the air flow to collect the desulfurization by-products. The integrated technology of sodium based (NaHCO3) dry desulfurization (sodium based dry) dust removal mainly includes flue gas system, pulverizing and spraying system, bag dust removal system, post-product treatment system, compressed air (nitrogen) system and electrical instrument system.

1. Emission concentration of exhaust particulate matter < 5mg / m3; 2. Sulfur dioxide emission concentration ＜ 25 mg / m3;