Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass

A comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass, wherein, it comprises a gasifier, a burner and a boiler, an outlet of the gasifier is connected to a fuel inlet of the burner through a pipe, and the burner is installed on the boiler, the boiler is provided with two flue-gas exhaust ports connected to a chimney through pipes;

• regenerative heat exchangers are respectively provided between the flue-gas exhaust ports and the chimney, preheating air pipes are respectively connected to the regenerative heat exchangers and are then respectively connected to an auxiliary mixing chamber, the auxiliary mixing chamber is provided with a first outlet connected to an inlet of a mixer, and the auxiliary mixing chamber is provided with a second outlet connected to a high-temperature air inlet of the gasifier and a second combustion-air inlet of the burner, an outlet of the mixer is connected with a first combustion-supporting air inlet of the burner;
• the chimney is connected with a flue gas inlet of the gasifier through pipes and fans.