Biomass gasification ash high-temperature calcination re-catalysis utilization system and process

A biomass gasification ash high-temperature calcination and re-catalysis utilization system comprises a biomass raw material smashing and feeding part, a biomass gasification furnace part, an ash recycling and calcining part and a gasified fuel gas purification and storage part. The biomass raw material smashing and feeding part comprises a coarse material box, a smashing machine, a material storage box, a conveying motor and a conveying belt, the biomass gasification furnace part comprises a gasification furnace, and the ash recycling and calcining part comprises an ash recycling and calcining device. The gasified fuel gas purification and storage part comprises a purification device, a tar collection device, a flow meter and a clean fuel gas storage tank, a fuel gas outlet is connected with the purification device through a crude fuel gas conveying pipeline, a bottom outlet of the purification device is connected with the tar collection device, and a gas outlet of the purification device is connected with t