NOVELTY - A biogas liquid one-way lifted turbulent flow effect methane gas fermentation device comprises feeding pipe (11), discharging pipe (12), and horizontally arranged U-type fermentation pipeline (20) vertically connected to feeding pipe and discharging pipe at its 2 ends in which hydraulic pipe (30) placed between U-type fermentation pipeline, feeding pipe water discharging hole (32) provided between feeding pipe and hydraulic pipe connection, discharging pipe drain hole (50) provided between discharging pipe and hydraulic pipe connection, and feeding pipe plate set in fermentation pipeline.    USE - Biogas liquid one-way lifted turbulent flow effect methane gas fermentation device.    ADVANTAGE - The device controls water pressure and flow, uniformly distributes strain, effectively prevents crusting phenomenon, and has high production rate, short route, and good circulation effect.    DETAILED DESCRIPTION - A biogas liquid one-way lifted turbulent flow effect methane gas fermentation device comprises feeding pipe, discharging pipe, and horizontally arranged U-type fermentation pipeline vertically connected to feeding pipe and discharging pipe at its 2 ends in which hydraulic pipe placed between U-type fermentation pipeline, feeding pipe water discharging hole provided between feeding pipe and hydraulic pipe connection, discharging pipe drain hole provided between discharging pipe and hydraulic pipe connection, feeding pipe plate set in U-type fermentation pipeline and feeding pipe connection, discharge pipe plate set in U-type fermentation pipeline and discharging pipe connection, gas collector pipe (40) set on U-type fermentation pipeline, cloth device connected to hydraulic pipe comprising drainage, U-type fermentation cloth bacteria, and fungus hole composition, cloth bacteria device is connected to hydraulic feeling pipe and discharging pipe from one end side, fixed to inner U-type fermentation pipeline at other end, U-type fermentation cloth bacteria is adapted and extended in U-type fermentation pipeline, and is provided with multiple vertical fungus hole composition, one-way check valves provided on inner feeding tube water discharging hole which sets pressure to control water in biogas liquid, on discharging pipe drain hole which sets controls pressure and liquid flow, and to fermentation pipeline to control pressure between slurry and drain cloth bacteria, and discharging pipe drain hole at horizontal plane is higher than cloth bacteria drain pipe lowest point.    DESCRIPTION OF DRAWING(S) - The drawing shows a structural schematic diagram of biogas liquid one-way lifted turbulent flow effect methane gas fermentation device.    Feeding pipe (11)    Discharging pipe (12)    U-type fermentation pipeline (20)    Hydraulic pipe (30)    Feeding pipe water discharging hole (32)    Gas collector pipe (40)    Discharging pipe drain hole (50)