Gravel is a major component of concrete and mortar material composition, generally divided into two types of natural sand and artificial sand, civil engineering bulk material. Sand washing machine is widely used in construction sand, SBM machine considered qualified building sand must undergo a rigorous washing.
Mobile Sand Washing Machine，SBM sand washing machine with advanced technology, combined with the actual situation of sand and gravel industry developed efficient sand washing equipment, it has a clean and high, reasonable structure, large output, less sand sand loss process, especially its transmission parts are water, sand isolated, so the failure rate is much lower than the currently used and sand, sand washing is the best choice for upgrading the industry.
1.The role of natural conditions, mainly formed by the weathering of rocks, particle size less than 5mm rock particles, known as natural sand.
2.That mechanism sand artificial sand, sand washing machine, except by means of soil treatment, mechanical crushing, screening made of particle size less than 4.75mm rock particles, but does not include soft rock, weathered rock particles, sand specifications according to fineness modulus (natural sand particle size and the degree of target thickness category) into coarse, medium and fine three.
Coarse sand washing machine: fineness modulus of 3.7-3.1, with an average particle size of o. 5mm or more.
Sand washing machine sand: fineness modulus of 3.0-2.3, with an average particle size of o. 5-0.35mm.
Sand Washing Machine Sand: fineness of 2.2-1.6 template, the average particle size of 0.35-0.25mm.
Special sand sand washing machine: fineness modulus of 1.5 a o. 7, the average particle diameter o. 25mm or less.
The greater fineness modulus, said Sarawak coarse sand ordinary concrete fineness modulus in the range of 3.7-1.6, with the sand is appropriate, or add a small amount of fine sand with coarse sand in the ratio of 4:1.
Sand washing machine sand with a particle size distribution refers to the proportion of sand particle size, if it is the same thickness of the sand, the largest gap, the two particle size of sand with them, the gap has been reduced, with three sand particle size, the gap is smaller, we can see that, depending on the degree of porosity sand with a grain size of sand material at all levels, with a good sand, cement can not only save, but also improve the density and strength of concrete and mortar.
SBM machines Tip: choose the right Mobile Sand Washing Machine is very important, sand washing machine and sand making machine, vibrating feeder, conveyor, as in sand production line are irreplaceable important role.
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