Fluidized bed power plant with bed material crusher

Details Fluidized bed power plant with bed material crusher Fluidized bed power plant with bed material crusher

1988-02-19

1989-07-18

Yuen, Henry C.

Liquid heaters and vaporizers

Miscellaneous

110263, 110245, 241257R, F23G 500, F22B 100

Patent

active

048482765

ABSTRACT:
A power plant utilizing combustion of fuel in a fluidized bed contains a particulate sulfur-absorbing material. A discharge device for bed material and ashes includes a crusher which breaks down the material so that it can be transported away or so that unconsumed absorbent in the bed material is exposed for reuse in the bed. The crusher has a stationary grinding portion and a rotating grinding portion receiving bed material. Scrapers selectively scrape off layers of material during rotation of the rotating grinding portion thus distributing the material around the periphery of the grinding portions.

REFERENCES:
patent: 1393632 (1921-10-01), Mitchell
patent: 2478937 (1949-08-01), Niethemer
patent: 2937815 (1960-05-01), Girich et al.
patent: 4421036 (1983-12-01), Brannstrom et al.
patent: 4610397 (1986-09-01), Fischer et al.
patent: 4669395 (1987-06-01), Brannstrom

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