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New Opportunities For Tailings Treatment

Last Update:2020-05-04 14:48:45

Today's media exposed that a large number of construction sites in Shenzhen use sea sand, in which excessive chloride ions will seriously corrode the steel bars in the building, damage the concrete structure, shorten the life of the building or even collapse, becoming a "dangerous building in sea sand". In 2004, the Ministry of housing and urban rural construction made it clear that the sea sand must be purified before it can be used to prepare concrete. At present, I have accumulated billions of tons of tailing good source, its comprehensive utilization rate is less than 10%. Tailing can generate machine-made sand through the sand production line, and the performance of machine-made sand can completely meet the production requirements of concrete, and meet the safety standards. Machine made sand is used to prepare concrete for the Three Gorges Project and Xiaolangdi Project of the Yellow River to supply construction sand.

Machine made sand, generally speaking, is stone chips, which has a unique advantage over natural sand. According to Liming heavy industry's good introduction, the machine-made sand has a variety of mineral components to choose from in terms of raw materials; high surface energy and hydrophilicity in terms of quality, complete matching; mechanized production mode, the quality of machine-made sand products is stable and controllable.

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