Automatic steady-flow double-layer degassing device for coal-bed gas well logging

The utility model provides an automatic steady flow double-layer degassing device for coal-bed gas well logging, which comprises a degassing main shell, the degassing main shell is a shell consisting of a bottom shell and an air flow upper shell, the bottom shell and the air flow upper shell are combined together to form a triangular cam shape, the bottom shell is a shell made of an arc, and the air flow upper shell is a shell made of an arc. The upper airflow shell is a shell made of three edges, an air outlet groove is formed in the upper portion of the upper airflow shell, and the air outlet groove in the upper airflow shell of the degassing main shell is a through groove made of a long strip. According to the degassing main stirrer disclosed by the utility model, the spiral stirring body is arranged, the integral rotation of the spiral stirring body is in a conical spiral shape, and the shape of the spiral stirring body can greatly reduce the resistance generated by direct flow of liquid, so that the rota