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一、前言遵照伟大领袖毛主席关于“综合利用大有文章可做”的教导,四川省建材工业科学研究所和成都市新型建筑材料试验厂,于1970年下半年起,以粉煤灰、煤渣、矿渣等工业废渣为主要原材料,加少量的石灰、石膏,进行了蒸养硅酸盐机制平瓦的试制工作。在试制过程中,充分发动群众,改旧利废,因陋就简,经过反复试验,试生产出硅酸盐瓦近30万片。此后,在成都市硅酸
I. INTRODUCTION Following the instructions of the great leader, Chairman Mao, on “Making full use of great articles to do”, the Sichuan Institute of Building Materials Industry and the Chengdu New Building Material Testing Plant began to use fly ash and coal cinder in the second half of 1970. Industrial slag, slag and other industrial wastes as the main raw materials, add a small amount of lime, gypsum, steamed silicate mechanism flat tile trial work. In the process of trial production, the masses were fully mobilized and old wastes were replaced. Because of the simplicity, after trial and error, nearly 300,000 silicate tiles were produced. Since then, in Chengdu, silicic acid