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Xinhai mineral processing equipment mainly include: grinding equipment, flotation equipment, dewatering equipment, magnetic separation equipment, and so on. Some of the equipment is Xinhai independent research and development, and has been awarded national patent. View details
Gold CIL (Carbon in Leach) Process is an efficient design of extracting and recovering gold from its ore. By cyaniding and carbon leaching crushed gold ore slurry simultaneously, CIL process lower the gold mining operation cost and increase gold recovery rate to a degree of 99%. View details
“The sun is parching the earth like a big fireball, and the grass near the road...
Ball mill is suitable for grinding kinds of minerals, and it is widely used in beneficiation, building materials, and chemical industry, which is divided into dry and wet type grinding. According to different ways of discharge, ball mill is classified into grid ball mill, overflow ball mill, and peripheral discharge ball mill.
Wet grid ball mill is composed with cylinder: wearable lining board is inlayed in cylinder inside, and two ends have flange, which is connected with end cover of mill by bolts. Ore feeding end: includes end cover, hollow axis cervical, and ore feeder three parts. Discharge part includes grid liner, end cover and discharge hollow. Main bearing, lubrication system, and transmission system.
In working process of grid ball mill, minerals inside move towards discharge part with the pressure of feeding part. There are ladder discharge holes in grid liner of discharge part, and the minerals which are qualified with grinding fineness enter into sectorial ventricular back side of grid liner. Minerals rotate with cylinder. Meanwhile, the slurry is raised to high, flow into discharge hollow axis cervical, and it is discharged finally. Therefore, grid ball mill belongs to a kind of low-level forced discharge, and the fine minerals are discharged in time, reducing over-grinding. Since grid ball mill’s discharge liquid level is lower than that of overflow, maximum density fine minerals are not like those in overflow ball mill, in which minerals have faster free settling speed, leading to discharge difficulty, and taking up ball mill working space. Meanwhile, due to limited size of discharge holes in grid liner, steel balls inside of ball mill will not be discharged with minerals. Big and little steel balls are used together in grid ball mill, contributing to improving grinding efficiency. Wet grid ball mill has a faster speed of discharge. Therefore, unit volume capacity is bigger than that of same specification overflow ball mill.
Many copper processing plant are nagged by low copper concentrate recovery rate. It is not easy to meet the needs of high copper concentration and recovery at the same time. ... [more]
he working state of ball mill is influenced by types of ball mill and the grinding conditions. ... [more]
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc. Technical Support: 北京鑫互联科技有限公司
© 2017 Shandong Xinhai Mining Technology & Equipment Inc.