NOVELTY - A biogas liquid pump pulping device comprises electric pump (1) and pump base shell (2), where electric pump is connected with output extension shaft (3). The extending shaft extends into pump base cover. Pump base shell is provided on outer wall provided with opening groove. Groove is provided with a sealing plate (22). Sealing plate is fixed on outer wall of pump base shell. Pump base shell left side is connected with base supporting frame (4). Pump base in shell is provided with blade plate. Extending shaft passes through blade plate.    USE - Biogas liquid pump pulping device for marsh gas tank or septic tank.    ADVANTAGE - The pulping device increases carbon rich raw materials, has good decomposing and removing rate, and has effective utilization rate, and has convenient management.    DETAILED DESCRIPTION - Biogas liquid pump pulping device comprises electric pump (1) and pump base shell (2), where electric pump is connected with output extension shaft (3). The extending shaft extends into pump base cover. Pump base shell is provided on outer wall provided with opening groove. Groove is provided with a sealing plate (22). Sealing plate is fixed on outer wall of pump base shell. Pump base shell left side is connected with base supporting frame (4). Pump base in shell is provided with blade plate. Extending shaft passes through blade plate. Blade plate is distributed with sieve pores. Blade plate of outer edge is fixed on pump base shell in the annular groove. The left side of blade plate is provided with S-shaped pulping blade. S-shaped blade and S-shaped pulping blade are fixed on the extending shaft. Shaped pulping blade and S-shaped blade are provided with cutting blade. Cutting blade of the pump base is fixed on the shell.    DESCRIPTION OF DRAWING(S) - The drawing is a schematic diagram illustrating a biogas liquid pump pulping device.    Electric pump (1)    Pump base shell (2)    Extension shaft (3)    Base supporting frame (4)    Sealing plate (22)