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From Apache Wiki <wikidi...@apache.org>
Subject [Httpd Wiki] Update of "vertical roller mill" by Micheal Pan
Date Tue, 31 Aug 2010 09:01:30 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Httpd Wiki" for change notification.

The "vertical roller mill" page has been changed by Micheal Pan.
http://wiki.apache.org/httpd/vertical%20roller%20mill?action=diff&rev1=4&rev2=6

--------------------------------------------------

- = Vertical Roller Mill =
+ vertical roller mill
- [[http://www.rockscrusher.com/product/grinding/vertical_roller_mill.html|Vertical roller
mill]] has many different forms, but it works basically the same. All of these forms of machine
comes with roller (or the equivalent of roller grinding parts), and roller along the track
of the disc at the level of circular movement imposed by external grinding roller in the vertical
pressure on the disc on the material being the joint action of compression and shear, and
to crush. 
- Material grinding process: motor through reducer rotating drive disc, the material falls
from the mill under the central entrance and exit, under the action of centrifugal force to
the disc edge by the roller to move and the crushing, grinding out lap after the material
was speed up the flow to and vertical mill with one of the separator, after the meal by the
separator back to the mill, the re-grinding; powder while grinding out with air, dust collection
equipment in the system to collect down, that is, products . Established through the mill
in the pneumatic conveying of materials, a larger air flow rate, which can use waste heat
of gas, at the same time dry grinding operations.
  
+ Vertical Roller Mill is a new kind of large-scale grinding mill which is designed specially
to solve the problems of low capacity and high consumption of industry mills. With decades
of years’ research, Vertical Roller Mill is designed and manufactured based on advanced
design idea.Now it has found its extensive application in the mining ,chemistry, non-metallurgy
and other hundreds of industries.
- == Vertical Roller Mill Principle ==
- Used in cement grinding production grinding parts of its various forms, there is a cylinder,
cone type, ball type, etc., and roller surface is also flat, curved, convex round noodles.
Applied to the grinding roller to roller grinding along the track bed in close contact with
the material strength of a spring pressure, hydraulic, etc.. 
- == How Vertical Roller Mill Works ==
- It has two pairs of grinding rollers, each pair of roller composed of two narrow rollers,
mounted on the same axis and can rotate at different speeds. There are two circular disc slot,
and roller to the tire shape, work pressure in the tank. Disc roller and the relative sliding
velocity between small and roller can swing, even if the roller sleeve and the disc after
the liner wear can guarantee a good abrasive, will not affect the grinding effect. Roller
symmetrical structure, one side can be upside down after use and wear. 
- Material grinding process: hydraulic pneumatic roller device through the pressure applied
to the material on the crushing of materials, the materials have been moved to crush the edge
of disc, from the disc around the nozzle from the exhaust air to improve these materials to
Separator.Meal to separate returns after a concentrated mill, fine powder was collected in
the precipitator unloading. In the gas flow is small, the meal can not be increased to enhance
air flow, they would fall through the nozzle discharged outside the mill, bucket elevator
to be transported to the feeder of vertical roller mill, and was re-grinding mill feed people.
This cycle features of the way there:
  
- ① ring by adjusting the air valve, can change the product fineness can Shide mill bed
load material uniformity and stability, improving the grinding efficiency;
+ MTM Medium Speed Trapezium Mill
  
- ② coarse particles in the external circulation, helps reduce Fan power consumption and
overall system power
+ This machine is a new kind of grinding mills and developed by adoption of many latest proprietary
technology .It features new designing, reasonable structure, smaller size, lower energy consumption,
longer service life, and less consumption of wearing parts, higher performance cost ratio,
etc. All its technical performance have reached the international leading level.Nowadays,
our products have been widely used in metallurgy industry, electric power industrial, chemical,
building, steel industry, coal industry, etc.
  
+ Ball mill
- === Extenal Links ===
-  * [[http://www.verticalrollermills.net|Vertical Roller Mill]]
-  * [[http://www.crushercenter.com|Vertical Roller Mill]]
-  * [[http://www.rockscrusher.com/news/knowledge/how-vertical-roller-mill-works.html|Vertical
Roller Mill]]
  
+ The ball mill is a key equipment for regrinding. It is widely used in the mining, new type
building material, glass, ceramics and etc. According to different forms of discharging materials,it
can be divided into tabular type and flowing type .And there are two ways of grinding :the
wet process and the dry process. The wet process means that the materials are grinded with
water ,while the latter not.
+ 
+ SCM super micro [[http://www.millcrusher.biz|mill]]
+ 
+ Absorbing the advantags from abroad and at home in the same trade,our company develop SCM
Series Super-micro mill , a equipment which produces thin powder and super thin powder. It
is applicable to non-flammable and non-explosive materials with hardness less than 9, such
as kaolin,calcite, dolomite,limestone,barite, alum earth ,variscite and other over 200 kinds
of materials.
+ 

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