JPS6463054A - Vertical roller mill for pre-grinding - Google Patents
Vertical roller mill for pre-grindingInfo
- 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
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> .
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)
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 |
-
1987
- 1987-09-03 JP JP22131887A patent/JPS6463054A/en active Granted
Patent Citations (2)
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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Legal Events
Date | Code | Title | Description |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
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R250 | Receipt of annual fees |
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S111 | Request for change of ownership or part of ownership |
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R350 | Written notification of registration of transfer |
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EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071216 Year of fee payment: 14 |