Dry desulfurization and dust removal system for pellet flue gas

The utility model discloses a pellet flue gas dry-type desulfurization and dust removal system which comprises a gas delivery pipe, two filters and a discharge pipe, the gas delivery pipe is respectively connected with gas inlet joints of the filters through two gas delivery pipes, an exhaust pipe is connected with gas outlet joints of the filters through two exhaust pipes, each gas delivery pipe is respectively provided with a first electromagnetic valve, and each gas delivery pipe is provided with a second electromagnetic valve. And a second electromagnetic valve is arranged on each exhaust pipe. According to the utility model, the two filters are arranged, and the gas conveying pipe and the discharge pipe are respectively connected with the two filters, so that when one filter is shut down due to faults and other reasons, the pipeline can be switched to the other filter to continue flue gas treatment work, and therefore, non-stop maintenance can be realized; according to the flue gas desulfurization device