Vertical roller mill's history by djsgjg0045

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									Vertical Mill (grinding) is increasingly widely used in cement production line. New
modern
 cement production line, coal, raw material grinding mill with vertical accounted for
more
 than 90%, cement clinker and slag grinding mills are using more and more vertical,
so modern
 cement plant , vertical milling machine has become an important plant process
equipment,
 which is a series of excellent features that it determined, some are purely mechanical
 technology, the other part is the process of nature.
 The invention is a vertical mill grinding grain by rural stone nianzi inspired. Modern
 vertical milling machine is developed from l906 onwards, it has been constantly
improved
 over the past century has experienced a roller by centrifugal force to pressure to use
the
 spring pressure, to the present system with a hydraulic pressure pneumatic springs.
By
 grinding material from the soft to medium hard coal for cement raw materials to
brittle
 cement clinker and slag. For the cement industry for the invention of new dry
calciner,
 rotary kiln production of double and large, make vertical milling machine structure
has been
 continuously improved and large, to meet the requirements of a kiln with grinding.
 CP_ company Peter vertical mill: in the world to use the more than 750 Peter
grinding,
 there are nearly 500 more than for the grinding of coal, nearly 100 used for grinding
 gypsum. Peter has a durable structure of grinding in the mill site has no bearings or
 lubrication points. This design allows the mill to operate at 700 ? high temperature
use,
 the best of the dry state, and even can be used to calcined gypsum.
 MB vertical roller mill: it has absorbed the advantages of grinding Peter, that is not
 within the roller roller bearings, while the use of three large roller, the compression
 spring will be under pressure ring bearing three principles of layout Static pressure
on
 people lap roller guide slot grinding mill material. Between the roller guide system
with which to work in the dust flow
 severely worn.
 MPS mill extraordinary company: Germany extraordinary purchased MB patent
roller mill
 with a very short time, then they combine the advantages and Loesche mill grinding
MB
 developed the basic design concept of MPS mill.
 In order to meet the cement grinding process production line of coal, grinding
cement
 raw material, cement clinker and slag grinding requirements, cement machinery
manufacturers
 around the world developed their own brand of vertical milling machine. LM Series
Vertical
 mill are widely used Liming Heavy Industry in the basis of advanced technology,
combined
 with years of experience in a variety of mill production, design and development of
advanced
 grinding equipment. Is a set of crushing, drying, grinding, milling grade transport
industry
 in one ideal. LM Series Vertical mill are widely used in cement, power, metallurgy,
 chemicals, non-metallic mineral industries. Used to block, granular and powder
materials
 ground into powder material required

								
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