Aggregates for Concrete in Nigeria
Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand, barite, zinc, quartz, feldspar, coal, tungsten, copper, talc, etc. CME has very mature markets in Nigeria and set oversea office there already.
One customer from Nigeria, who would like to produce granite-aggregates for his clients that work in road construction, concrete and asphalt industry,. But now, he just has one two-stage crushing plants that consisted of one 24×36"jaw crusher and two 12×51" finer jaw crusher. It is difficult to meet the popular aggregate size of 0~3/16" (stone dust), 3/16~1/2", 1/2~3/4" and 3/4~1" in local market. Also, the capacity of existing plant is only 60~70 tons per hour, it was far from the customer’s requirements.
Ball mills are used primary for single stage fine grinding, regrinding, and as the second stage in two…