Device for varying the height of a bed in a fluidized combustion

Details Device for varying the height of a bed in a fluidized combustion Device for varying the height of a bed in a fluidized combustion

1986-05-07

1987-05-26

Focarino, Margaret A.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

431 7, 431170, 432 15, 432 58, F23G 500

Patent

active

046676104

ABSTRACT:
A device for varying the height of a bed in a fluidized combustion chamber inside a pressurized housing. Bed material is supplied to the chamber from hoppers or returned back to the hoppers from the chamber through a supply line. The supply line connects the chamber and the hoppers. The hoppers have means of increasing or decreasing the pressure. To improve the means of both increasing and decreasing pressure in the known device and of cleaning the gas that enters into contact with the material in the hopper, each hopper contains a hot-gas filter that gas can flow through in two directions and each hopper communicates above the filter with a gas connection that can be maintained at either a higher or a lower pressure than the fluidized combustion chamber.

REFERENCES:
patent: 4279205 (1981-07-01), Perkins et al.
patent: 4419965 (1983-12-01), Garcia-Mallol et al.
patent: 4488512 (1984-12-01), Boyle
patent: 4530207 (1985-07-01), Br/a/ nnstr/o/ m
patent: 4584949 (1986-04-01), Br/a/ nnstr/o/ m

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