Device for in-vitro simulation screening of oxalic acid degrading bacteria

The utility model relates to a device for simulating and screening oxalic acid degrading bacteria in vitro. The device comprises an enrichment culture fermentation tank, a selective culture medium fermentation tank and a selective solid culture medium vessel, the enrichment culture fermentation tank is provided with a feeding pipe and a discharging port, the discharging port of the enrichment culture fermentation tank is connected to the feeding port of the selective culture medium fermentation tank through a conveying pipeline, and the conveying pipeline is provided with an electronic pump; adischarge hole of the selective culture medium fermentation tank is connected to a selective solid culture medium vessel through a connecting hose; a pipe clamp is arranged on the connecting hose andis used for controlling the on-off of fluid in the connecting hose; an oxalate culture solution is arranged in the selective culture medium fermentation tank. According to the utility model, the culture and screening processe