Shanxi Yongxin coal chemical industry limited company 3 *75t/h boiler flue gas desulfurization project, boiler load dual-use equipment,flue gas volume is 340000Nm3/h, the implementation of the new generationtechnology innovation is set outside the tower oxidation, oxidation fan savesinvestment, at the same time may be appropriate to reduce the height. A set ofdesulfurization, two kinds of products: ammonium sulfate, ammonium sulfite.