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How Vertical mill operate

From:www.vertical-mill.net    Date:2012-12-11 11:44


Vertical mill, also called vertical grinding mill, vertical roller mill, vertical ring mill. Vertical mill is the new type mill for making micro powders, fine powders, which is widely applied in the industries of metallurgy, mining, chemistry, cement, construction, refractory materials, ceramics, and so on.
Working Principle of Vertical mill:
The main bearing and each dial are driven by electromotor of main machine through reducer, and numbers of rollers, which are rolling in the ring, are driven by dial through plunger. After crushed by hammer crusher, the big materials become small ones and are sent to storage hopper by elevator and further sent to the middle of first dial evenly by the electromagnetic vibrating feeder and feeding pipe. The materials will be driven to the edge of dial by centrifugal force and fall down into the ring, crushed and grinded by roller, and become powder after production of three rings. The high pressure centrifugal blower will inhale air from outside and blow the crushed materials to classifier. The rotating turbo in the powder concentrator will make the coarse material return to the mill and reground, while the fineness will mix with the air and go into the cyclone and be discharged in the discharge bin, which is at the bottom of it. The air, which mixed with very little fineness, will be purified by impulse duster and discharged by blower and muffler.
How Vertical mill operate?
1. Start up Vertical mill
1) Turn on main switch
2) Start air compressor, adjust air pressure of oil-water filter to 0.6-0.7 Pa.
3) Turn on bag filter pulse controller, adjust the pulse frequency to one spray every 4-5 seconds, adjust pulse width to 0.5-0.8 seconds (pulse controller was set before delivery)
4) Switch on bucket elevator
5) Start up crusher
6) Feed materials to the crusher till enough crushed materials are sent to the hopper, and then start the classifier. (The rotation speed is subject to the finished fineness required by customers. Usually, 100 r.m.p similar corresponds to 100meshes; please see the following adjusting method of VVVF/VFD)
Details about operate of Vertical mill, please click ONLINE Consult!!

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