System for phosphorite slurry handles boiler tail gas coproduction magnesium ammonium phosphate

• Main Authors: YANG CHANGYONG, HAN CHAOYING, WANG CAIYAN, LIAO JIXING, JIANG XUEHUA, HE HUA, WU YOULI, XIANG SHUANGLONG, CHEN BIN, TANG LIJUN, ZHANG WEI, ZHANG WEN, ZHANG WEIHONG
• Format: Patent
• Language: Chinese; English
• Published: 15.05.2018
• Subjects: AIR; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; WEAPONS

The utility model discloses a system for phosphorite slurry handles boiler tail gas coproduction magnesium ammonium phosphate, including coal feeding device, boiler body, afterbody flue device, tail gas processing device, oxygen -eliminating device, coal feeding device and boiler body are connected, boiler body passes through cyclone and is connected with afterbody flue device, the lower part andthe tail gas processing device of afterbody flue device are connected, the oxygen -eliminating device passes through the water -feeding pump and is connected with afterbody flue device and boiler bodyrespectively. The utility model discloses a phosphorite slurry does the desulfurizer, absorbs the sulfur dioxide in the boiler tail gas, can effectively reduce boiler tail gas treatment cost, utilizes metal ion such as phosphorus ore chinese railway magnesium to have the catalytic oxidation characteristic, realizes the technological coupling that boiler tail gas desulfurization and phosphorus oretake off magnesium, simpli