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一项用高碳湿排粉煤灰作原材料和混合材生产水泥的工艺方法,近日在辽宁兴城通过技术鉴定。用粉煤灰作水泥原料和混合材的研究,从50年代初就已开始。目前,国内少数厂家利用粉煤灰生产水泥,仅限于干排灰工艺。1988年,金城造纸总厂自备热电厂为减少污染,变废为宝,他们与河南建材研究设计院合作对这种粉煤灰进行了工业改性试验,解决了脱碳、脱水和活化等关键问题,并进行了烧制水泥熟料和制成水泥的试
A process method for producing cement using high-carbon wet fly ash as raw material and admixture has recently passed technical appraisal in Xingcheng City, Liaoning Province. Research on the use of fly ash as raw materials and admixtures for cement has started since the early 1950s. At present, a few domestic manufacturers use fly ash to produce cement, which is limited to dry ash discharge. In 1988, the Jincheng Papermaking Plant provided its own thermal power plant to reduce pollution and turn it into a treasure. They cooperated with the Henan Institute of Building Materials Research and Design Institute to carry out industrial modification tests on this fly ash and solved the key problems of decarburization, dehydration and activation. Problems and conducted trials of firing cement clinker and making cement