Patent ID: 11971214
Assignee: COOMTECH LIMITED
Field: Chemical engineering (Chemistry)
Classification: CPC F | IPC F

Claim 7:
8. The apparatus of claim 1, wherein the dryer comprises a first type of guide passage in fluid communication with said drying chamber, wherein said first type of guide passage is configured for directing gas under pressure in a radial direction with respect to a longitudinal axis of the drying chamber, or in a radial direction with respect to a general direction of flow of gas- entrained particulate material between said first and second ends of the drying chamber;
and wherein the dryer further comprises a second type of guide passage in fluid communication with said drying chamber, wherein said second type of guide passage is configured for directing gas under pressure in a tangential or rotational direction with respect to a longitudinal axis of the drying chamber, or in a tangential or rotational direction with respect to a general direction of flow of gas-entrained particulate material between said first and second ends of the drying chamber; and wherein the dryer is configured such that one or more of said second type of guide passage is arranged in series downstream of at least one of said first type of guide passage.