Oxidation reaction device and method for flue gas NOx

The invention provides an oxidation reaction device and method for flue gas NOx. The oxidation reaction device comprises a reactor shell and at least one group of NOx oxidation reaction units, the NOx oxidation reaction unit comprises a guide plate and a catalytic oxidation unit; the catalytic oxidation unit comprises two groups of reaction pipelines which are oppositely arranged; the reaction pipeline comprises an oxidant conveying pipeline and a catalyst powder conveying pipeline. When the oxidation reaction device provided by the invention is adopted, the motion stroke of flue gas is increased through the guide plate, and the contact time of the flue gas and a reaction substance is prolonged; an oxidizing agent and a catalyst are conveyed through the oxidizing agent conveying pipeline and the catalyst powder conveying pipeline, flue gas, the oxidizing agent and the catalyst are fully mixed, and efficient denitration is achieved. 本发明提供了一种用于烟气NOx的氧化反应装置及方法，所述氧化反应装置包括反应器壳体以及至少一组的NOx氧化反应单元；所述NOx氧化反应单元包括导流板以及催化