System for calcine supplementary dry carbide slag of flue gas desulfurization and dust removal

The utility model provides a calcine the supplementary dry carbide slag system of flue gas desulfurization and dust removal, including one -level exhaust -heat boiler, one -level exhaust -heat boileris used for heat recovery to utilize, air inlet and the one -level exhaust -heat boiler continuous carbide slag drying system in gas outlet, carbide slag drying system is provided with wet carbide slag feed inlet, carbide slag drying system is used for one -level flue gas desulfurization reaction and wet carbide slag dry, the precipiation reaction system of feed inlet and carbide slag drying system exit linkage, precipiation reaction system configuration has dry carbide slag outer discharge opening, the precipiation reaction system is used for second grade flue gas desulfurization reaction andcarbide slag to subside, the sack cleaner of feed inlet and precipiation reaction system exit linkage, the sack cleaner is provided with the dry carbide slag outer discharge opening of second, the sack cleaner is used for ter