在学习无产阶级专政理论和批林批孔运动推动下,各单位为了贯彻伟大领袖毛主席“备战、备荒、为人民”的伟大战略方针,节约用煤、提高出力、减轻劳动强度,对各种旧式锅炉进行了改造,取得了很大的成绩。但是,有些单位由于缺乏经验或坚持科学态度不够,使改造后的锅炉存在一些不安 Under the impetus of studying proletarian dictatorship and criticizing the proletarian and proletarian movements, in order to implement the great strategic principle of “preparing for war, preparing for famine and for the people” of Chairman Mao, great efforts should be made to save coal, improve output and reduce labor intensity. All units, Old boiler has been transformed, has made great achievements. However, due to lack of experience or insistence on lack of scientific attitude in some units, some disturbances exist in the upgraded boiler