Thermal decomposition furnace

Details Thermal decomposition furnace Thermal decomposition furnace

1988-10-06

1989-09-19

Yuen, Henry C.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432 99, 432247, F27D 108

Patent

active

048676764

ABSTRACT:
An apparatus for the thermal decomposition of a fluid toxic substance contained in a gas comprises a cylindrical main combustion chamber and a secondary combustion chamber arranged thereabove. An inlet opening leads into the main combustion chamber at an angle to introduce a stream of the gas containing the toxic substance into the main combustion chamber with an angular momentum, a burner is arranged to direct a flame into the main combustion chamber above the inlet opening for subjecting the gas containing the toxic substance to combustion, and an annular gas stream retaining device is arranged above the burner. This retaining device defines a central opening permitting the stream of gas to pass from the main combustion chamber into the secondary combustion chamber, the central opening having a diameter smaller than that of the cylindrical main combustion chamber, and passages arranged around the central opening, and the retaining device comprises obliquely downwardly directed nozzles for delivering secondary air into the main combustion chamber.

REFERENCES:
patent: 3100633 (1963-08-01), Norton, Jr.
patent: 3171637 (1965-03-01), Gribbin
patent: 3467368 (1969-09-01), Celada et al.
patent: 4254221 (1981-03-01), Beckenbach

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