为了防止磷肥尾气对职工健康的危害,我厂从一九七四年就对磷肥尾气进行回收。在回收中,充分发动群众,人人动手,查漏洞、找根源、摸规律,从整个硫酸生产和尾气回收的每道工序,找出了二十多个与治理硫酸尾气有关的环节,并采取了“一改、一严”的措施。一改是,改炉气冷激为空气冷 In order to prevent the health hazards of phosphate fertilizer on workers, I plant from 1974 on the phosphate fertilizer exhaust recovery. In the recovery, the mobilization of the masses, everyone, look for loopholes, find roots, touch the law, from the entire sulfuric acid production and tail gas recovery processes, to identify more than twenty and sulfuric acid tail gas-related links, and to take A “change, a strict” measures. Change is to change the furnace air-cooled cold air