Boiler with a circulating fluidized bed

Details Boiler with a circulating fluidized bed Boiler with a circulating fluidized bed

1986-09-05

1987-08-04

Makay, Albert J.

Liquid heaters and vaporizers

Miscellaneous

110214, 110216, 110245, 110263, F22B 100, F23C 1102

Patent

active

046838406

ABSTRACT:
Boiler with a circulating fluidized bed, comprising a fluidization column completely lined with refractory material, a recirculation cyclone (2) and a duct (3) for recycling the solid materials. At least one heat-exchanger component (25, 26, 27) is placed in the recirculation cyclone (2). Pipe lines (30) enable air to be injected in tangential directions into the upper part of the cyclone (2) and thereby to increase the vortex effect. The combustion takes place substantially in the upper part of the cyclone (2). The fluidization column (1) comprises a widened section (1a) in its lower part.

REFERENCES:
patent: 4103646 (1978-08-01), Yerushalmi et al.
patent: 4426958 (1984-01-01), Hosek et al.
patent: 4442797 (1984-04-01), Strohmeyer, Jr.
patent: 4469050 (1984-09-01), Korenberg
patent: 4579070 (1986-04-01), Lin et al.
"Fluidized-Bed Boilers Achieve Commercial Status Worldwide," Schwieser, Power, Feb. 1985, vol. 2, pp. 1-16.

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