Artificial Sand For Construction middle east
Sand production mechanism and Sand are inseparable, sand making sand production line equipment is an important mechanism. Sand Key technical parameters of the device is to determine the amount of return sand Sand Sand processing power of technical parameters.
Sand and sand back the amount of the original amount of ore crushing equipment, overflow granularity mutual support, mutual restraint. It can be said that the sand sand return equipment volume, if suddenly increases beyond a predetermined amount, the amount of the drawing will see the device will also change, causing an increase the amount of ore, or reduce the variation in water content, resulting in low concentrations of overflow.
Comparison of several common sand equipment
1, cone crusher. Department of the former Soviet Union in the 1950s, research and development of products, this ratio reaches 10-15 crusher, feed particle size of 10-100mm. Its crushing force, less than 5mm yield of 80% -90%, 30% less than 1.6mm, dust content of 10% -15%, better product shape, suitable for processing hard rock, suitable for dry production. But the more bulky body, short liner life, poor safety and reliability of key components, limited production capacity.
2, rod mill. Artificial sand processing at home and abroad in the most common, the technology is mature, suitable for wet production of artificial sand better product shape, size adjustable modulus, stable production, rod mill yield 28-40t / h, the product in less than 0.16mm fine particle content of 30%. The disadvantage is that large equipment base, complex facilities, water consumption, waste water treatment facilities must be configured, running the bar consumed in large quantities. Three Gorges river shore under artificial sand production, the use porphyritic granite rod mill sand, sand single average production capacity 28t / h, the bar consumption 0.7kg / t.
3, rotary disc crusher. Its work for laminated crushing principle, rock crushing each other mainly by the combined effects of a multi-layer extrusion between fines and mutual milled so that rupture between material particles, its structure is similar to the cone crusher, is a cone-shaped cavity ultrafine crusher, suitable for dry production, product shape somewhat less than the rod mill; sand making process required to discharge mine mouth size adjustment with liner wear, feed moisture demanding, should be controlled below 1% aqueous rate slightly, Layout of easy caking, causing severe machine vibration.
4, impact crusher. Impact crusher according to the motor drive into the form of vertical and horizontal; horizontal common form of impact crusher and hammer crusher, its excellent product shape can be realized dry production.
1, cone crusher. Department of the former Soviet Union in the 1950s, research and development of products, this ratio reaches 10-15 crusher, feed particle size of 10-100mm. Its crushing force, less than 5mm yield of 80% -90%, 30% less than 1.6mm, dust content of 10% -15%, better product shape, suitable for processing hard rock, suitable for dry production. But the more bulky body, short liner life, poor safety and reliability of key components, limited production capacity.
2, rod mill. Artificial sand processing at home and abroad in the most common, the technology is mature, suitable for wet production of artificial sand better product shape, size adjustable modulus, stable production, rod mill yield 28-40t / h, the product in less than 0.16mm fine particle content of 30%. The disadvantage is that large equipment base, complex facilities, water consumption, waste water treatment facilities must be configured, running the bar consumed in large quantities. Three Gorges river shore under artificial sand production, the use porphyritic granite rod mill sand, sand single average production capacity 28t / h, the bar consumption 0.7kg / t.
3, rotary disc crusher. Its work for laminated crushing principle, rock crushing each other mainly by the combined effects of a multi-layer extrusion between fines and mutual milled so that rupture between material particles, its structure is similar to the cone crusher, is a cone-shaped cavity ultrafine crusher, suitable for dry production, product shape somewhat less than the rod mill; sand making process required to discharge mine mouth size adjustment with liner wear, feed moisture demanding, should be controlled below 1% aqueous rate slightly, Layout of easy caking, causing severe machine vibration.
4, impact crusher. Impact crusher according to the motor drive into the form of vertical and horizontal; horizontal common form of impact crusher and hammer crusher, its excellent product shape can be realized dry production.
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