Sintered flue gas dry-method removal method and device
A sintering flue gas removal technology, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve problems such as difficult removal of harmful gas and inability to adapt to large-scale changes in flue gas volume.
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[0019] figure 1 The shown method for dry removal of sintering flue gas includes the following steps:
[0020] 1) When the high temperature flue gas enters the fast mixing zone 4, the absorbent is added. The absorbent is pre-mixed and pre-treated with the flue gas in the fast mixing zone 4 to remove part of SO 2 , SO 3 , Heavy metals, dioxins, most of HCL, HF gas;
[0021] 2) The flue gas from the fast mixing zone 4 is accelerated by the acceleration zone 5 and then enters the circulating fluidized reaction zone 7. Water is sprayed at the front end of the circulating fluidized reaction zone 7 to cool down, and the remaining gas is removed in the circulating fluidized reaction zone 7 SO 2 , SO 3 , Heavy metals, dioxins;
[0022] 3) The purified flue gas enters the gas-solid separator 9 through the outlet flue 8 of the reaction tower. The desulfurized ash is captured by the gas-solid separator 9 and enters the rapid mixing zone 4 through the circulating fluidization chute 12. The p...
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