Biomass gasification comprehensive utilization system

The invention relates to the technical field of biomass energy utilization, and discloses a biomass gasification comprehensive utilization system, which comprises a biomass gasification system, the biomass gasification system comprises a furnace body, the furnace body is provided with a feed inlet for feeding biomass raw materials, the furnace body is internally provided with a high-temperature microwave area, and the high-temperature microwave area is positioned at the upper part of the furnace body; a first microwave generator is connected in the high-temperature microwave area and used for heating the high-temperature microwave area to a first temperature value, the first temperature value is not lower than 700 DEG C, a first vibrating screen is further connected in the high-temperature microwave area, and a gasifying agent is introduced into the furnace body to react with the biomass raw materials in the furnace body. According to the invention, a large amount of tar generated by biomass gasification can