Low NOx, low fuel regenerative incinerator system

Details Low NOx, low fuel regenerative incinerator system Low NOx, low fuel regenerative incinerator system

1994-03-21

1995-05-23

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element responds proportionally to a variable signal...

422171, 422172, 422178, 422177, 422109, 432181, 432182, 431 5, F23G 706

Patent

active

054179270

ABSTRACT:
A multiple bed regenerative incinerator is cycled at regular intervals by an automatic control which causes fuel gas to be added to the impure inlet air for a first part of each cycle interval and interrupts the flow of fuel gas to the impure air inlet during a last part of each cycle interval thereby improving the purging of fuel gas from the regenerator being fed the impure air. Fuel gas flow may be adjusted by the control in response to signals from a monitor sensing the lower explosive limit of the impure air/fuel gas mixture. The control may cause the fuel gas to be delivered to a burner in a combustion chamber interconnecting the hot ends of the regenerators during the last part of each cycle interval. High dilution of fuel limits fume temperature and NOx production.

REFERENCES:
patent: 3870474 (1975-03-01), Houston
patent: 4038032 (1977-07-01), Brewer et al.
patent: 4087923 (1978-05-01), Wilt, Jr. et al.
patent: 4101632 (1978-07-01), Lamberti et al.
patent: 4147502 (1979-04-01), Milton, Jr.
patent: 5129332 (1992-07-01), Greco
patent: 5259757 (1993-11-01), Plejdrup et al.

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