Combustion – Burner having electrical heater or igniter – Spark electrode in front of or adjacent fuel discharger
Patent
1981-10-14
1984-09-11
Scott, Samuel
Combustion
Burner having electrical heater or igniter
Spark electrode in front of or adjacent fuel discharger
431264, 279 99, 285160, 285165, F23Q 228
Patent
active
044707991
ABSTRACT:
A converter igniter is provided for igniting a converter screen assembly which acts as a catalyst for vapor phase oxidation of ammonia in a nitric acid reduction process. The igniter includes an elongate gas delivery tube and structure for sealably mounting the gas delivery tube with one end thereof within the vapor phase oxidation chamber. An igniting structure is provided at the end of the elongate gas tube includng a spark plug completely recessed within the end of the tube and a plurality of apertures in the tube end for producing a diffuse flame. An elongate rod-like conductor is concentrically mounted within the gas delivery tube and electrically and physically isolated therefrom by means of a concentrically mounted surrounding insulator structure. The structure for sealingly mounting the elongate tube to the vapor phase oxidation chamber includes a releasable sealing structure for selectively permitting slideable movement of the elongate tube, generally in the direction into and out of the chamber and further includes a ball joint through which the tube is slideably movable for further permitting angular motion of the tube within the chamber.
REFERENCES:
patent: 1121386 (1914-12-01), Means
patent: 2013979 (1935-09-01), Bray
patent: 2619345 (1952-11-01), Davidson
patent: 2880792 (1959-04-01), Raskin
patent: 3892206 (1975-07-01), Kobayashi
CF Industries, Inc.
Flanigan Allen J.
Scott Samuel
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