Claims
- 1. An apparatus for drying particulate material, the apparatus comprising:
(a) a drying chamber having an inlet for particulate material conveyed in a fluidized stream, and an outlet for the particulate material having passed through the drying chamber; and (b) a baffle fixed within the drying chamber defining a spiral flow path for the fluidized stream of particulate material from the inlet towards the outlet, the spiral flow path having a cross-sectional area increasing in size with distance from the inlet.
CROSS-REFERENCES TO RELATED APPLICATIONS
[0001] This application is a continuation of continuation-in-part U.S. application Ser. No. 09/952,040, filed Sep. 12, 2001, which is a continuation-in-part of PCT International Patent Application No. PCT/US00/06538, filed on Mar. 10, 2000, which is an International application of U.S. patent application Ser. No. 09/512,135, filed Feb. 23, 2000, now U.S. Pat. No. 6,270,780, issued Aug. 7, 2001, which is a continuation-in-part of U.S. application Ser. No. 09/267,192, filed on Mar. 12, 1999, now U.S. Pat. No. 6,143,221, issued Nov. 11, 2000, the disclosures of all are hereby expressly incorporated by reference.
Continuations (1)
|
Number |
Date |
Country |
Parent |
09952040 |
Sep 2001 |
US |
Child |
10449748 |
May 2003 |
US |
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
PCT/US00/06538 |
Mar 2000 |
US |
Child |
09952040 |
Sep 2001 |
US |
Parent |
09267192 |
Mar 1999 |
US |
Child |
PCT/US00/06538 |
Mar 2000 |
US |