白云石成品料在检选、破碎、筛分和提升等运输过程产生大量的粉尘。在毛主席无产阶级革命路线的指引下,耐火厂党委全心全意依靠工人阶级,在鞍钢劳研所、冶金部建筑研究院等单位的协助下,组织了以工人为主体的,有领导干部和技术人员参加的“三结合”攻关小组,他们遵照毛主席一切经过试验的教导,在小型试验的基础上,坚持独立自主,自力更生的方针,战高温、斗严寒,完全依靠自己的力量在不到一年的时间里,胜利建成5.6米~2小 Dolomite finished materials in the election, crushing, screening and upgrading of the transport process produces a lot of dust. Under the guidance of Chairman Mao’s proletarian revolutionary line, the party committee of the Fireworks Factory wholeheartedly relied on the working class and, with the assistance of the Ansteel Institute of Labor Research and the Institute of Metallurgical Construction and Research, and other units, organized a cadre of leading cadres and technicians Participants in the “three combined” research team, who follow Chairman Mao all tested teaching, based on small trials, adhere to the principle of independence and self-reliance, fighting high temperatures, fighting cold, relying solely on their own strength in less than a year Time, victory built 5.6 m ~ 2 small