Sand and gravel crushing and screening and grading of aggregate adjustment process
Sand and gravel aggregate organize production according to certain processes to meet the specification requirements of hydraulic concrete construction of the technical indicators. Collected from the flood of natural aggregate, if the size, quality was generally in line with regulatory requirements, it usually just rinse to remove too large, too small, substandard materials, according to a certain size is divided into several size-class were piling up, the process is relatively simple. Sometimes natural gradation does not comply, oversized stone content is too high or the total size of coarse, it is necessary or redundant oversized stone boulders broken: some fine natural materials side, the lack of large, stone, we must break part of the rock to supplement, that is level with the adjustment measures to be taken. Some natural materials contain harmful ingredients or impurities excessive, requiring the production of special processing. The process is more complex.
Artificial aggregate the rock from quarries, paragraph by paragraph into all levels of aggregate jaw crusher crushing and screening, and even the production of artificial sand. Process more complex.
Whether it is the production of natural or artificial sand and gravel aggregate, by the composition of some basic production processes. These areas are: crushing, screening, grinding, cleaning, grading and dehydration. There are also some special operations, such as re-election law to deal with the weak particles, in order to link up these areas, but also loading, unloading, transport and transit and other auxiliary operations.ball mill
Sand and gravel aggregate production from these fundamental aspects and operations of the composition, generally used to represent the production process flow chart. Flow chart of the most simple graphical representation of the image of a work or equipment, and closed with the lines with arrows linking them to indicate the flow of materials and operating relationships. Therefore, the flow can be expressed concisely the methods and process sand and gravel production.
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