14 Jan,2022 UTC+8 Views:
Ground granulated blast furnace slag (GGBS or GGBFS) is obtained by quenching blast furnace hot metal slag (a by-product of iron and steelmaking) in water or steam. GGBS is widely used in Europe and is increasingly used in the United States and Asia. With the development of technology, the application of slag powder has become more and more popular. So what can slag powder be used for?
1. Used to produce slag cement
20%-70% slag powder combined with Portland cement clinker and an appropriate amount of gypsum can produce slag cement, which not only reduces the cost of cement production but also saves resources and reduces environmental pollution.
2. Used as concrete admixture
The activity of slag powder is very high. As a new type of admixture for high-performance concrete, it can significantly improve the comprehensive performance of concrete by replacing the amount of cement in concrete for various purposes.
3. Other applications
In the production of cement pipes in pipe factories, 40%-50% of slag powder is added to replace cement, which can not only ensure the quality of concrete pipes in use, but also prolong the service life.
Although slag powder has a wide range of uses, the slag has poor grindability, so it is very important to choose an appropriate process. Xinxiang Great Wall Machinery has more than 60 years of experience in vertical mill production. The established industrial waste residue research and development center has 2 complete vertical mill grinding test system and ball mill grinding test systems, and more than 20 sets of various powder and concrete test equipments. It can meet the activity, fineness, grindability, and metal consumption test of various industrial waste residue powders, provide a reference numerical basis for equipment selection and comprehensive utilization for the resource utilization of industrial waste residues, and help industrial waste residues gradually realize resource utilization.
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