How to Distinguish the Cement Quality of Concrete Mixing Plant

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How to Distinguish the Cement Quality of Concrete Mixing Plant

Post  hahei on Mon Jun 13, 2016 8:26 pm

Cement quality is directly related to construction quality and its duration, so the control of cement quality is a crucial link forconcrete mixing plant. However, today’s cement industry is in a mess mobile block making machine, and the unqualified quality is common. Clinker in cement is far less than the standards. “Small cement” can not be called as cement, and it is just abrasive powder. Regulation on cement is in heavy deficiency. Just depending on inspection strength, setting time and the stability is not enough.

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1. Clinker: calcium silicate minerals are not less than 66%, and the ratio of calcium oxide and silicon oxide is not less than 2.0, which are regulated in standards. But these data are often unqualified in cement factories that often do the strength test.



2. Clinker quantity: the common cement clinker and gypsum content should be between 80% and 95%. However, clinker content is just around 65%-70% even in big cement factories Reversing drum concrete mixer, not to mention the smaller cement factories. According to a survey mobile concrete mixing plant for sale, the clinker content in smaller factories is just around 50%.

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