JPS6451319A - Granular quicklime and its production - Google Patents
Granular quicklime and its productionInfo
- Publication number
- JPS6451319A JPS6451319A JP20822487A JP20822487A JPS6451319A JP S6451319 A JPS6451319 A JP S6451319A JP 20822487 A JP20822487 A JP 20822487A JP 20822487 A JP20822487 A JP 20822487A JP S6451319 A JPS6451319 A JP S6451319A
- Authority
- JP
- Japan
- Prior art keywords
- quicklime
- water
- hydrated lime
- calcining
- produced
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- C01F11/04—Oxides or hydroxides by thermal decomposition
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
PURPOSE:To produce quicklime for warming sake (Japanese alcoholic drink) can, etc., generating heat by reacting with water, and eliminating breakage of the can due to expansion of volume of the can when water is added to the quicklime to generate heat, by forming hydrated lime in a granular shape and thereafter, by calcining at a low temp. to release its water of crystallization when the quicklime is produced. CONSTITUTION:When an agent for simply warming sake can made of Al by using heat generated due to the reaction of quicklime with water, is produced, hydrated lime obtd. by adding water to quicklime obtd. by calcining quicklime at a high temp. is used as raw material, formed in granules as uniform as possible having 1-5mm, etc. particle size since the hydrated lime expanded its volume and became fine powder when produced, and thereafter, released the water of crystallization by calcining at a comparatively low temp., >=600 deg.C to produce the quicklime. When it is used as agent for warming, the granule does not expand in generating heat and therefore, no breakage of Al can due to expansion occurs, because the raw material, the hydrated lime expanded from the first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20822487A JPS6451319A (en) | 1987-08-24 | 1987-08-24 | Granular quicklime and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20822487A JPS6451319A (en) | 1987-08-24 | 1987-08-24 | Granular quicklime and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451319A true JPS6451319A (en) | 1989-02-27 |
Family
ID=16552721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20822487A Pending JPS6451319A (en) | 1987-08-24 | 1987-08-24 | Granular quicklime and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451319A (en) |
-
1987
- 1987-08-24 JP JP20822487A patent/JPS6451319A/en active Pending
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