JPS5476487A - Attrition-resistant granular material and manufacture thereof - Google Patents
Attrition-resistant granular material and manufacture thereofInfo
- Publication number
- JPS5476487A JPS5476487A JP14371277A JP14371277A JPS5476487A JP S5476487 A JPS5476487 A JP S5476487A JP 14371277 A JP14371277 A JP 14371277A JP 14371277 A JP14371277 A JP 14371277A JP S5476487 A JPS5476487 A JP S5476487A
- Authority
- JP
- Japan
- Prior art keywords
- machine
- granular material
- granulated
- discharged
- granulating machine
- 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
Landscapes
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Glanulating (AREA)
- Catalysts (AREA)
Abstract
PURPOSE: To manufacture granular material described in the title, excellent in warming property, by rolling particles, which are granulated by, and discharged from, a tray type granulating machine while being sprayed with liq. so as to increase density of surface layer.
CONSTITUTION: Raw material, e.g., alumina, silica, or magnesia etc., is charged from a hopper 2 through a constant-quantity feeder 3 to a tray type granulating maching 4, where it is granulated. The granulated material discharged from the machine is sifted by a vibration screen 6. Coarse grains remained on the metallic net 7 are disintegrated by a disintegrator 9 and are returned to the granulating machine 4, fine particles past the metallic net 8 being returned directly to the granulating machine 4. Granular material of desired particle diameter is fet to a surface-strengthening machine 11, where the material is rolled while water or aq. liquid is poured on the material by means of a liq.-spraying mechanism 12 in order to increase density of the surface layer only of the granular material, and discharged as a product 13. For the surface strengthening machine is used tray type granulating machine, Marumerizer, or rotary drum granulating machine etc.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14371277A JPS5476487A (en) | 1977-11-30 | 1977-11-30 | Attrition-resistant granular material and manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14371277A JPS5476487A (en) | 1977-11-30 | 1977-11-30 | Attrition-resistant granular material and manufacture thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5476487A true JPS5476487A (en) | 1979-06-19 |
JPS5621457B2 JPS5621457B2 (en) | 1981-05-19 |
Family
ID=15345214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14371277A Granted JPS5476487A (en) | 1977-11-30 | 1977-11-30 | Attrition-resistant granular material and manufacture thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5476487A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837482A (en) * | 1981-08-28 | 1983-03-04 | Hitachi Ltd | Boiling and cooling device |
-
1977
- 1977-11-30 JP JP14371277A patent/JPS5476487A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5621457B2 (en) | 1981-05-19 |
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