JPS643089A - Production of urea-4c saturated aliphatic aldehyde condensation product granule - Google Patents
Production of urea-4c saturated aliphatic aldehyde condensation product granuleInfo
- Publication number
- JPS643089A JPS643089A JP15732087A JP15732087A JPS643089A JP S643089 A JPS643089 A JP S643089A JP 15732087 A JP15732087 A JP 15732087A JP 15732087 A JP15732087 A JP 15732087A JP S643089 A JPS643089 A JP S643089A
- Authority
- JP
- Japan
- Prior art keywords
- granules
- product
- forming
- sieving
- reactor
- 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
Landscapes
- Fertilizers (AREA)
Abstract
PURPOSE: To improve production efficiency of the objective granular product by sieving condensation product granules obtained with a reactor, also crushing and re-forming the resulting coarse size granules and fine powdery granules respectively and repeatedly sieving the crushed/ re-formed granules through a second sieving machine.
CONSTITUTION: In the equipment for this production, a reactor 5 which is provided with a rotary shaft 6 fitted with a number of agitation blades that are arranged inside an enclosed structure of the reactor 5, is placed. Also, a discharge device 11 and a drier 43 are placed below the reactor 5 and further, a first sieving machine 16, a second sieving machine 34, a forming machine 28 and a crusher 31 are disposed in this equipment respectively. A urea-4C saturated aliphatic aldehyde condensation product 13 is separated into product granules having aim granule size, coarse size granules and fine powdery granules with the first sieving machine 16. Then, the coarse size granules are crushed with the crusher 31 and the fine powdery granules are re-formed with the forming machine 28 and thereafter, the crushed/re- formed granules are sieved through the second sieving machine 34. Subsequently, such crushing/ re-forming are repeatedly performed to continuously produce the whole product as product granules having aim granule size. Since the product granules having aim granule size are continuously produced by repeatedly performing the crushing/re-forming, production efficiency of the product granules can be improved.
COPYRIGHT: (C)1989,JPO
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15732087A JPS643089A (en) | 1987-06-24 | 1987-06-24 | Production of urea-4c saturated aliphatic aldehyde condensation product granule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15732087A JPS643089A (en) | 1987-06-24 | 1987-06-24 | Production of urea-4c saturated aliphatic aldehyde condensation product granule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH013089A JPH013089A (en) | 1989-01-06 |
| JPS643089A true JPS643089A (en) | 1989-01-06 |
Family
ID=15647117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15732087A Pending JPS643089A (en) | 1987-06-24 | 1987-06-24 | Production of urea-4c saturated aliphatic aldehyde condensation product granule |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643089A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022534A (en) * | 1973-06-26 | 1975-03-11 | ||
| JPS56100756A (en) * | 1980-01-16 | 1981-08-12 | Chisso Corp | Granulation of urea |
-
1987
- 1987-06-24 JP JP15732087A patent/JPS643089A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022534A (en) * | 1973-06-26 | 1975-03-11 | ||
| JPS56100756A (en) * | 1980-01-16 | 1981-08-12 | Chisso Corp | Granulation of urea |
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