Ammonia method flue gas desulfurization integrated treatment method

The invention relates to the technical field of desulfurization and dust removal, particularly to an ammonia method flue gas desulfurization integrated treatment method, which comprises: (1) controlling the a desulfurization tower empty tower gas velocity at an empty tower gas velocity of less than or equal to 2.2 m/s; (2) carrying out deep water washing on the desulfurized net flue gas; (3) arranging a wet electrostatic dust removing device on the tail portion of the desulfurization tower; (4) arranging a tube bundle type dust removing demister on the tail portion of the desulfurization tower; (5) arranging an ultrasonic wave coagulation/aggregation device on the tail portion of the desulfurization tower, and additionally arranging a demister; and (6) arranging a condensing device on thetail portion of the desulfurization tower, and additionally arranging a demister. According to the present invention, with the method, the national environmental emission requirements can be completely met, and the two proble