Device and method for enhancing quality improvement effect of ozone on flue gas desulfurization product

The invention relates to a device and a method for enhancing the upgrading effect of ozone on a flue gas desulfurization product, and belongs to the technical field of desulfurization. The device comprises a 1 # reaction tank, a 2 # reaction tank, an ozone generator, an ultrasonic vibrator, an ozone destructor, a gas collecting hood, a treatment solution inlet, an ozone distribution device and an ozone tail gas distribution device, the ozone distribution device comprises an aeration disc, an ozone main pipe and ozone branch pipes, and the ozone tail gas distribution device comprises an aeration disc, an ozone tail gas main pipe and ozone tail gas branch pipes. According to the invention, measures such as ultrasonic wave, multistage oxidation and tail gas recovery are combined, and specific setting and corresponding position relation setting of device parts are carried out, so that the oxidation effect of ozone on impurities such as organic matters and thiosulfate radicals is enhanced, the utilization rate of