Semi-dry simultaneous desulfurization and denitration apparatus and method for sintered flue gas by circulating fluidized bed

摘要

It includes an ozone generator (2), a dilution fan (1), a mixing buffer tank (3), an ozone distributor (4) and a circulating fluidized bed (CFB) reaction tower (9), and ozone is mixed in the mixing buffer tank (3). After being mixed uniformly, it is injected into the flue (4 ′) through the ozone distributor (4), and the oxidized flue gas is sent to the circulating fluidized bed reaction tower (9). Semi-dry simultaneous desulfurization and denitration equipment for sintered flue gas using a circulating fluidized bed that simultaneously removes SOx and NOx by reacting NOx, SO2 and SO3 in the reactor with Ca-based absorbent under the action of atomized water in the reaction tower And methods. The apparatus according to the present invention is characterized in that the system is simple, the performance is excellent, the occupied area is small, and the capital investment is small.