JPS6463054A - Vertical roller mill for pre-grinding - Google Patents

Vertical roller mill for pre-grinding

Info

Publication number
JPS6463054A
JPS6463054A JP22131887A JP22131887A JPS6463054A JP S6463054 A JPS6463054 A JP S6463054A JP 22131887 A JP22131887 A JP 22131887A JP 22131887 A JP22131887 A JP 22131887A JP S6463054 A JPS6463054 A JP S6463054A
Authority
JP
Japan
Prior art keywords
materials
crushed
rollers
pulverizing
pulverized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22131887A
Other languages
Japanese (ja)
Other versions
JPH0587306B2 (en
Inventor
Isao Hashimoto
Munesuke Kinoshita
Hiroshi Ueda
Ryuichi Okamura
Yuji Yamamoto
Kanzaburo Sudo
Haruo Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chichibu Cement Co Ltd
Kawasaki Heavy Industries Ltd
Original Assignee
Chichibu Cement Co Ltd
Kawasaki Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chichibu Cement Co Ltd, Kawasaki Heavy Industries Ltd filed Critical Chichibu Cement Co Ltd
Priority to JP22131887A priority Critical patent/JPS6463054A/en
Publication of JPS6463054A publication Critical patent/JPS6463054A/en
Publication of JPH0587306B2 publication Critical patent/JPH0587306B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To improve pulverizing efficiency with a single vertical type roller mill by specifying the pressing force between a table for crushing and pulverizing the materials to be crushed and rollers. CONSTITUTION: The materials to be crushed, such as cement raw materials, supplied into an inlet chute 17 fall from the lower part thereof to the central part of the table 3 and are meshed between the table 3 and the rollers 6, by which the materials to be crushed are crushed and pulverized. Nearly the entire amt. of the pulverized materials move outward in the radial direction of the table 3 and fall onto a lower endless annular receiving table 19. The materials are moved circumferentially by a scraper 20 fixed to the table 3 and are supplied from a discharge hole 21 through an outlet chute 22 to a tube mill 23 of a rear stage. In such pulverizing stage, the average surface pressure of the pressing force of the rollers 6 to the table 3 viewed in the projection area to the table plane parallel with the rotating axial line of the rollers 6 is selected at 8 to 12 kg/cm<2> .
JP22131887A 1987-09-03 1987-09-03 Vertical roller mill for pre-grinding Granted JPS6463054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22131887A JPS6463054A (en) 1987-09-03 1987-09-03 Vertical roller mill for pre-grinding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22131887A JPS6463054A (en) 1987-09-03 1987-09-03 Vertical roller mill for pre-grinding

Publications (2)

Publication Number Publication Date
JPS6463054A true JPS6463054A (en) 1989-03-09
JPH0587306B2 JPH0587306B2 (en) 1993-12-16

Family

ID=16764923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22131887A Granted JPS6463054A (en) 1987-09-03 1987-09-03 Vertical roller mill for pre-grinding

Country Status (1)

Country Link
JP (1) JPS6463054A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106968A (en) * 1977-02-24 1978-09-18 Schoenert Klaus Method of pulverizing fragil material
JPS61238349A (en) * 1985-04-16 1986-10-23 川崎重工業株式会社 Method for crushing cement clinker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53106968A (en) * 1977-02-24 1978-09-18 Schoenert Klaus Method of pulverizing fragil material
JPS61238349A (en) * 1985-04-16 1986-10-23 川崎重工業株式会社 Method for crushing cement clinker

Also Published As

Publication number Publication date
JPH0587306B2 (en) 1993-12-16

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