Desulfurization and denitration system and method combining sintering flue gas circulation with ozone pre-oxidation
The invention provides a desulfurization and denitration system and method combining sintering flue gas circulation with ozone pre-oxidation. The system includes an ozone preparation device, a desulfurization reaction device, a denitration reaction device and a sintering flue gas circulation device;...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a desulfurization and denitration system and method combining sintering flue gas circulation with ozone pre-oxidation. The system includes an ozone preparation device, a desulfurization reaction device, a denitration reaction device and a sintering flue gas circulation device; ozone is used for primary ozone pre-oxidation treatment of flue gas before a desulfurization reaction in a main flue of a sintering machine and secondary ozone pre-oxidation treatment of flue gas before a denitration reaction; the desulfurization reaction device is used for desulfurization treatment and primary denitration treatment of the flue gas; the denitration reaction device is used for secondary denitration treatment of the flue gas; and the sintering flue gas circulation device can supply oxygen to the high-temperature flue gas for recycling the flue gas. The desulfurization and denitration method includes the steps of sintering flue gas circulation, desulfurization and denitrationreactions after ozone pre |
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