The utility model discloses a hydrogenation device for hydrogenation reaction of H2O2 production. The hydrogenation device is located inside a reactor, and the hydrogenation device comprises a first arc-shaped intake pipe, a vertical intake pipe, a second arc-shaped intake pipe and an inclined intake pipe , the top of the reactor is provided with a hydrogen inlet end and a hydrogen outlet end, one end of the first arc-shaped intake pipe is connected with the hydrogen inlet end, the other end of the first arc-shaped intake pipe is communicated with the upper end of the vertical intake pipe, and the lower end of the vertical intake pipe is connected It is communicated with one end of the second arc-shaped air inlet pipe located at the inner bottom of the reactor, and the other end of the second arc-shaped air inlet pipe is communicated with the inclined air inlet pipe, and the inclined air inlet pipe is inclined upward. It makes the hydrogen and the working liquid fully contact and react, improves the reaction efficiency and reaction rate of the hydrogenation reaction, and improves the product production efficiency and the production capacity of the device.

The utility model discloses a stirring and feeding device for hydrogenation reaction of hydrogen peroxide production. The stirring and feeding device is used in conjunction with a hydrogenation reactor. The stirring and feeding device comprises a first liquid inlet pipe, a second liquid inlet pipe, an inlet pipe fitting and a stirring device. The agitator is located inside the hydrogenation reactor. The hydrogenation reactor is provided with a working fluid inlet end and a hydrogen inlet end. The working fluid inlet end is communicated with the first liquid inlet pipe located in the hydrogenation reactor, and the first liquid inlet pipe is free The end is communicated with the second liquid inlet pipe, the second liquid inlet pipe is inclined downward towards the direction of the agitator, the hydrogen inlet end is communicated with the inlet pipe fitting located in the hydrogenation reactor, and the free end of the inlet pipe member faces the direction of the agitator The height of the free end of the second liquid inlet pipe is higher than that of the free end of the gas inlet pipe, and the hydrogenation reactor is provided with a feeding end. It makes the fluid turbulent in the form of mechanical stirring, the working fluid and the hydrogen are fully contacted and fully reacted, and the hydrogenation reaction process is more uniform and controllable.

The utility model discloses a gas temperature homogenization device for hydrogen peroxide production hydrogenation reaction. The gas temperature homogenization device is used in conjunction with a hydrogenation reactor. The gas temperature homogenization device comprises a cylinder body, a stirring motor, a rotating shaft and a stirring blade. The rotating shaft It is located at the inner central axis of the hydrogenation reactor, the lower end of the rotating shaft is rotatably arranged at the inner bottom of the hydrogenation reactor, the upper end of the rotating shaft penetrates the hydrogenation reactor and is connected with the stirring motor. The outer side of the rotating shaft and the stirring blade, and the outer side of the cylinder body is fixed on the inner side wall of the hydrogenation reactor through the connecting piece, the bottom of the cylinder body is provided with a plurality of through holes, and the through holes are provided with a breathable waterproof membrane. It makes the reaction gas in the hydrogenation reactor circulate and flows, ensures the temperature uniformity of the inner reaction gas, and improves the heat transfer efficiency in the reaction process.