JPS647962A - Crushing method - Google Patents
Crushing methodInfo
- Publication number
- JPS647962A JPS647962A JP16110287A JP16110287A JPS647962A JP S647962 A JPS647962 A JP S647962A JP 16110287 A JP16110287 A JP 16110287A JP 16110287 A JP16110287 A JP 16110287A JP S647962 A JPS647962 A JP S647962A
- Authority
- JP
- Japan
- Prior art keywords
- crushing
- nacl
- agents
- time
- pts
- 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.)
- Pending
Links
Abstract
PURPOSE: To widen a service temp. range at the time of crushing by reacting static crushing agents essentially consisting of CaO or the like with water in the presence of NaCl, in a method for statically crushing brittle objects, such as rocks, by using these crushing agents. CONSTITUTION: Moldings obtd. by mixing CaO, alumina cement, boric acid and NaCl, then subjecting the mixture to pressure molding are disintegrated. The brittle objects are crushed together with the water at about 5 to 30 deg.C by using the resulted granular materials. At this time, the coexistence ratio of the crushing agents and the NaCl is adequately 0.1 to 5 pts.wt. NaCl per 100 pts.wt. crushing agents. Then, the service temp. range at the time of crushing may be made wider than heretofore. The crushing agents are, therefore, made easier to use and simultaneously a delay effect may be expected as well.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16110287A JPS647962A (en) | 1987-06-30 | 1987-06-30 | Crushing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16110287A JPS647962A (en) | 1987-06-30 | 1987-06-30 | Crushing method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS647962A true JPS647962A (en) | 1989-01-11 |
Family
ID=15728643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16110287A Pending JPS647962A (en) | 1987-06-30 | 1987-06-30 | Crushing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS647962A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6286378B1 (en) | 1999-06-07 | 2001-09-11 | Mitsubishi Denki Kabushiki Kaisha | Starter |
-
1987
- 1987-06-30 JP JP16110287A patent/JPS647962A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6286378B1 (en) | 1999-06-07 | 2001-09-11 | Mitsubishi Denki Kabushiki Kaisha | Starter |
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