Liquid heaters and vaporizers – Miscellaneous
Patent
1996-04-04
1998-06-30
Bennett, Henry A.
Liquid heaters and vaporizers
Miscellaneous
110216, 55269, 554591, B01D 5102, B01D 4512, B04C 508
Patent
active
057718440
ABSTRACT:
A cyclone separator adapted for attachment to the upper outlet end of a fluidized bed reactor such as an atmospheric (ACFB) or pressurized fluidized bed combustor (PFBC) has its gas flow capacity increased while maintaining high inlet gas flow velocity and particle separation efficiency. The cyclone inlet flow passageway has aspect ratio h/w increased to at least 4/1 and preferably to the range of 5/1 to 10/1. Also, the inlet passage inner wall is tapered or curved so that the inlet opening area exceeds that of the outlet opening adjacent the cyclone barrel. The cyclone outlet vortex tube lower portion has a truncated cone shape attached to a cylindrical-shaped vortex tube upper portion. The cyclone separator can be formed from multiple parallel tubes each having longitudinal fins for carrying a cooling fluid such as water or steam, and having a refractory material covering the tubes and fins.
REFERENCES:
patent: 2838382 (1958-06-01), Ringgenberg
patent: 3802570 (1974-04-01), Dehne
patent: 5190650 (1993-03-01), Tammera
patent: 5203284 (1993-04-01), Dietz
patent: 5275641 (1994-01-01), Tammera et al.
patent: 5391211 (1995-02-01), Alliston
patent: 5393315 (1995-02-01), Alliston et al.
Bennett Henry A.
Foster Wheeler Development Corp.
Smolowitz Martin
Wilson Gregory A.
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