Title:
CEMENT PRODUCTION METHOD AND CEMENT PRODUCTION FACILITY
Document Type and Number:
Japanese Patent JP2021115522
Kind Code:
A
Abstract:
To provide a technology that energy consumption required for cement crushing is reduced without influencing cement quality.SOLUTION: In a cement production facility 1 equipped with a water addition device 6 adding water W to a feed material C2 to a vertical mill or into the vertical mill in a cement finishing facility using the vertical mill 5 as a preliminary crusher,: a water treatment device 12 water-treating a feed material to the vertical mill instead of the water addition device 6, a dehydrator 13 dehydrating solid matter after the water treatment and a feeding device feeding a dehydration product to the vertical mill may be provided; a tube mill 10 may be provided in the subsequent stage of the vertical mill as a crusher; and the occurrence of agglomeration at the inside of the vertical mill can be prevented by adding water to the engagement position of a roller 5c on the table 5b of the vertical mill with the water addition device.SELECTED DRAWING: Figure 1
Inventors:
NAKAGAWA YUTA
KUROKAWA DAISUKE
UCHIDA SHUNICHIRO
NISHIMOTO EIJI
NIIJIMA SHUN
KAWAHARA NAOYA
ENDO KAZUFUMI
KUROKAWA DAISUKE
UCHIDA SHUNICHIRO
NISHIMOTO EIJI
NIIJIMA SHUN
KAWAHARA NAOYA
ENDO KAZUFUMI
Application Number:
JP2020010622A
Publication Date:
August 10, 2021
Filing Date:
January 27, 2020
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP
International Classes:
B02C15/04; B02C17/04; C04B7/52
Domestic Patent References:
| JPH10230180A | 1998-09-02 | |||
| JPS63159241A | 1988-07-02 | |||
| JPH08266922A | 1996-10-15 | |||
| JPS63116751A | 1988-05-21 | |||
| JPH07187733A | 1995-07-25 |
Foreign References:
| WO2007052464A1 | 2007-05-10 |
Attorney, Agent or Firm:
Jun Nakai