Biomass gasifier capable of removing tar

The utility model discloses a biomass gasifier capable of removing tar, which comprises a gasifier body, a mixing mechanism is arranged in the gasifier body, a hollow shaft in the mixing mechanism is vertically and rotatably connected with a three-way cylinder at the outlet end of a steam mechanism, an air hole at the upper end of the hollow shaft is matched with the outlet end, the inlet end of the steam mechanism is connected with an air inlet mechanism, and the air inlet mechanism is connected with the bottom of the gasifier body. A feeding mechanism is arranged at the top of the furnace body, and an air outlet is formed in a furnace body; when the device is used for gasifying biomass, tar can be removed in time in a manner of feeding water vapor and a catalyst, energy contained in the tar is fully utilized, and the gasification efficiency is improved, so that the temperature required by reaction is reduced, and the equipment requirement is reduced while no secondary pollution is caused. 本实用新型公开了一种可脱除焦油的生物