Drying and crystallizing apparatus for granules, which employs a microwave device
US4954681A · kind A · utility
5Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1989 |
| Grant date | Sep 4, 1990 |
| Priority date | — |
| Expiry date | Mar 30, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29B2009/165
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A drying and crystallizing apparatus for granules, which is provided in a heating tank formed in the shape of a rectangular parallelepiped with a plurality of spaced-apart disc-like partitions forming therebetween a plurality of partitioned spaces across a material inlet and a material outlet, the partitions being rotatably suppported on a rotary shaft and provided with agitating vanes respectively, so that the granules are heated efficiently and uniformly by use of a microwave unit without heating variations, thereby enabling the granules to be dried or crystallized in a short time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.