Structural water seal trough

Details Structural water seal trough Structural water seal trough

1981-10-15

1982-11-23

Yuen, Henry C.

Furnaces

Ash receiving and handling devices

Ashpans

432242, 110165R, F23J 100

Patent

active

043599494

ABSTRACT:
Apparatus for handling ash and slag produced in the combustion of coal or other ash-bearing fuel in a top-supported furnace (10) of a steam generator, including a submerged scraper conveyor unit (14) beneath the furnace (10), and a water seal (24, 26) including a bottom-supported trough (26) positioned beneath the furnace (10), and plates (24) secured to the furnace bottom extending down into the trough (26). The submerged scraper conveyor unit (14) is bottom-supported independently of the trough (26), and there is an adjustable (34) seal member (29) between the two to prevent gas leakage therebetween.

REFERENCES:
patent: 2339216 (1944-01-01), Allardice
patent: 3580226 (1971-05-01), Blackburn, Jr.
patent: 3834328 (1974-09-01), Blazewicz et al.
patent: 3857344 (1974-12-01), Coulter
patent: 3940239 (1976-02-01), Rossi et al.
patent: 4111439 (1978-09-01), Schmidt
patent: 4112856 (1978-09-01), Fuhrman et al.
patent: 4193756 (1980-03-01), Leon
patent: 4301746 (1981-11-01), Pech et al.
patent: 4321876 (1982-03-01), Mikus et al.

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