Microbial strain screening equipment

The utility model provides equipment for screening microbial strains, which comprises an incubator, an ultraviolet lamp arranged in the incubator and a strain screening mechanism arranged in the incubator, the strain screening mechanism comprises a support, the support is fixedly connected with the incubator, and a bearing table, a transfer manipulator and a scribing mechanism are fixed on the support. The transfer manipulator and the scribing mechanism are located above the bearing table, a sterilization device, a sample pool, a culture dish placing table and a temperature control table are arranged on the bearing table, the sterilization device comprises a heating sterilization cylinder, an air pipe and a fan, the heating sterilization cylinder is fixed to the bearing table, one end of the air pipe is connected with the blowing end of the fan, and the other end of the air pipe is connected with the temperature control table. The other end of the air pipe penetrates through the bearing table to communicate w