Gas generating furnace

The utility model relates to a fuel gas generating stove which relates to the structural improvement of the gas generating stove which uses biomass as raw material to carry out gasification to produce fuel gas. The utility model aims to solve the problem that stove dust is not easy to clean when the raw material of the fuel gas generating stove is manually flattened at present and provides the fuel gas generating stove, wherein, the raw material of which can be mechanically flattened, and gas generating stove is provided with a movable grate. The utility model comprises a stove body (5), wherein, the side of the stove body (5) is provided with a fuel gas outlet (18); the upper part of a stove chamber (6) in the stove body (5) is provided with a feed inlet (11), and the bottom is provided with a grate (2). The utility model is characterized in that a conical material distribution device (9) is arranged above the stove chamber (6); the material distribution device (9) is connected with a draw rod (15) on a shaft (14) through a connecting rod (13); the grate (2) is arranged on a fixed central shaft (4) and rotary shafts (3) on both sides; the interior of each of the rotary shaft (3) is provided with a water inlet pipe (21) and a water outlet pipe (20).