Multi-channel fixed bed micro-reaction evaluation device

A multi-channel fixed bed micro-reaction evaluation device comprises a raw oil system, a reaction system, an N2 protection and purging gas circuit, an oil-gas switching system and a cooling tank system, the reaction system comprises a plurality of reactors located in a heating furnace, and the oil-gas switching system comprises a six-way valve for achieving oil circuit and gas circuit valve position switching of the device. The N2 protection and purging gas circuit comprises a multi-channel valve and two flow controllers, and the raw oil system comprises a raw material tank for containing rawmaterials and a raw material pump. And the cooling tank system comprises a cooling tank communicated with the outlet end of the circulating refrigerator and a product collecting bottle which is positioned in the cooling tank, is communicated with the bottom of the reactor through a pipeline and can collect reacted products in the reactor. The multichannel micro-reaction device disclosed by the utility model is accurate in