Anti-leakage rotary valve for denitration and desulfurization sintering flue gas

The utility model relates to the technical field of flue gas treatment, and discloses a leakage-proof rotary valve for denitration and desulfurization sintering flue gas, which comprises a valve body, a feed port is detachably arranged at the upper end of the valve body, a discharge port is fixedly arranged at the lower end of the valve body, and a buffer component is fixedly arranged at the lower end of the feed port. Material conveying openings are formed in the upper end and the lower end of the buffering assembly, clamping blocks are fixedly arranged on the two sides of the lower end of the buffering assembly, threaded grooves are formed in one side walls of the two clamping blocks, sliding grooves are formed in the inner wall of the buffering assembly, a buffering plate is slidably arranged in the buffering assembly, and sliding blocks are fixedly arranged on the two sides of the buffering plate; the two sliding blocks slide in the corresponding sliding grooves respectively. According to the rotary valve