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Title:
VERTICAL MILL AND OPERATIONAL METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2020116546
Kind Code:
A
Abstract:
To provide a vertical mill capable of efficiently grinding a material to be ground by preventing occurrence of abnormal vibration at grinding in real time in response to the condition of the ground material during grinding, and to provide an operational method therefor.SOLUTION: A vertical mill 1 of the present invention comprises a grinding roller 3 biting a material to be ground charged on a rotary table 2, and at least one roller unit having an auxiliary roller 5 provided at the upstream side of the grinding roller 3 to grind the material by the grinding roller 3 after consolidation of the material using the auxiliary roller 3. The auxiliary roller 5 comprises a grinding condition-detecting part 50 detecting the material condition changing during grinding. The mill is characterized by providing a control part 54 obtaining a prescribed layer thickness and preventing abnormal vibration by controlling the pressing angle of the auxiliary roller 5 based on the detection value of the grinding condition-detecting part 50.SELECTED DRAWING: Figure 4

Inventors:
MISUMI TAKAHIRO
MATSUNAGA TAKAMASA
Application Number:
JP2019011854A
Publication Date:
August 06, 2020
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
UBE MACHINERY CORP LTD
International Classes:
B02C15/04; B02C23/00; B02C23/20; B02C25/00
Domestic Patent References:
JP2016002506A2016-01-12
JPH0528431U1993-04-16
JP2011245372A2011-12-08
JP2008178834A2008-08-07
Foreign References:
US20170248493A12017-08-31
Attorney, Agent or Firm:
Yuichi Murakami
Hiroshi Seki