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Luoyang Longzhong Heavy Machinery Co., Ltd.
Zhongqiao Real Estate Building, Nanchang Road, Jianxi District, Luoyang, China

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Since Oct, 2019
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Screw classifier for beneficiation easy to operate

The spiral classifier is widely used in the grading of the grinding circuit of the concentrator and the operations of washing, de-sludge, and dewatering. Its main advantages are simple equipment construction, reliable operation, and convenient operation. It can be self-flowing with energy-saving ball mill in the closed-circuit grinding circuit. It is suitable for wet magnetic separation of magnetite, pyrrhotite, roasting ore, ilmenite and other materials with particle size below 3mm. It is also used in coal and non-metallic minerals. Iron removal operations for materials such as building materials. It’s also named screw classifier.


The machine can only be operated after the structure and working principle of the spiral classifier are clear. After the spiral body rotates, it can start to feed ore slurry, gradually feeding the amount of ore. When the spiral body is in working state, if it encounters special faults such as jamming or overload), it must be stopped immediately, immediately lift the spiral body out of the slurry surface, never allow the spiral body to be pressed in the slurry, and quickly open the mine valve to avoid siltation. When starting again, the spiral body must be lowered to a certain position in order to rotate the spiral body. If the machine needs to be stopped during use, the feed should be stopped first, and the operation can only be stopped after the material stage is graded and there is no material in it.

Maintenance of screw classifier

All lubrication points are lubricated with sodium-based grease or calcium-based grease. Each shift should check whether the lubricating oil inside the reducer is on the marking line of the oil needle, and change the oil every 6 months. Always check the lower support or intermediate frame bearings, bearings, sealing rings for wear and damage to the bearings for timely replacement. Bearing lubrication must be filled with high pressure oil into the bearing with a manual dry oil pump every 4 hours to maintain the sealing performance of the bearing.


Contact Phone86-13598484277, 379-65160016
Product Price2000$
Offer PriceN/S
Contact Address Zhongqiao Real Estate Building
Nanchang Road, Jianxi District
Supplier Details
Company NameLuoyang Longzhong Heavy Machinery Co., Ltd.
Business CategoryMulti-Material Recycling
AddressZhongqiao Real Estate Building
Nanchang Road, Jianxi District
ZIP: 471000
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