Fixed bed device for Fenton catalytic oxidation reaction

The utility model discloses a fixed bed device for Fenton catalytic oxidation reaction. The aeration device comprises a reaction device and an aeration pipe arranged in the reaction device, the reaction device comprises an outer guide cylinder and an inner guide cylinder which are coaxially arranged; a reaction area is arranged in the outer guide cylinder; a plurality of filler balls are arrangedin the reaction area; the aeration pipe is installed below the reaction area, the aeration pipe performs upward aeration to enable the filler ball to fill the whole reaction area, the filler ball fully reacts with sewage, and under the stirring of ascending water flow and aeration, a fixed bed is changed into a fluidized bed through filler stirring to fill the whole reaction area, so that the reaction is more uniform and sufficient. 本实用新型公开了一种用于芬顿催化氧化反应的固定床装置，包括反应装置和设置在所述反应装置内的曝气管，所述反应装置包括同轴设置的外导流筒和内导流筒，所述外导流筒内设有反应区，所述反应区内设有多个填料球，所述反应区下方安装所述曝气管，所述曝气管向上曝气使所述填料球充满整个反应区，所述填料球与污水充分反应，污水在上升的水流和曝气的搅动下，固定床经过填料搅动变成流化床，充满整个反应区