Pressure loss suppression type tail gas purification and denitration device for biogas generator set

The utility model discloses a pressure loss suppression type biogas generator set tail gas purification and denitration device, a tail gas discharge pipeline of a container type biogas generator set is communicated with a vertical flaring type purification and denitration device, and the vertical flaring type purification and denitration device comprises an inlet flue, a flaring type purification and denitration device body and an outlet flue. The flaring type purification denitration device body comprises a flaring frustum shell, a square barrel shell and a necking frustum shell, a conical flow guide device is arranged in the flaring frustum shell, and a rectifying grating and a rectangular catalyst module are arranged in the square barrel shell at intervals; the plurality of triangular flat plate type catalyst modules and the sawtooth-shaped catalyst modules are embedded to form rectangular catalyst modules, and the plurality of V-shaped honeycomb type catalyst layer groups are butted side by side to form t