湖南省益阳市化肥厂是个生产硫酸和磷肥的小型化肥厂。以前,生产过程中产生大量粉尘和有害气体,严重危害职工的健康。党的十一届三中全会以来,他们对尘毒危害进行了积极治理,取得了显著的效果,作业场所扬尘点粉尘浓度降到国家标准的占70%,氟气排放达到了国家标准,硫酸原料工段 Yiyang City, Hunan Province Fertilizer Plant is a small-scale fertilizer plant producing sulfuric acid and phosphate fertilizer. In the past, a large amount of dust and noxious gases were produced during the production process, seriously endangering the health of workers. Since the Third Plenary Session of the Eleventh Central Committee of the Communist Party of China, they have made active control over the hazards of dust poisoning and have achieved remarkable results. The dust concentration at dust dust spots in the workplaces has dropped to 70% of the national standard, and the fluorine gas emission has reached the national standard. Sulfuric acid Raw materials section