Combustion – Fuel disperser installed in furnace – Spaced fuel dispersing orifices within furnace
Patent
1977-06-29
1978-11-14
Dority, Jr., Carroll B.
Combustion
Fuel disperser installed in furnace
Spaced fuel dispersing orifices within furnace
431187, 431348, 2393975, 239425, F23C 528
Patent
active
041253590
ABSTRACT:
A refractory burner block having a generally cup shaped depression is adapted for mounting in the furnace wall, with the depression facing the furnace interior. The block is provided with a bore that extends from the cup shaped depression to accommodate a burner nozzle. Resilient means connect the burner block with the cover plate so that both block and cover plate may independently contract and expand, minimizing stress loads on the cup, resulting in less cup cracking and failure.
A joint is provided with a step between the furnace wall and the burner block, reducing the possibility of gaps opening up and forming a barrier to radiant heat and to convection flow.
A central locating collar relieves the anchor bolts from undue stress in supporting the burner block. A resilient seal is used to seal the block against the central locating collar.
Pilot means to light the main burner and plenum means to buffer the pilot from the main burner are provided to reduce pilot "blowout."
REFERENCES:
patent: 2669300 (1954-02-01), Blaha
patent: 2855033 (1958-10-01), Furczyk
patent: 2904108 (1959-09-01), Blaha
patent: 3050112 (1962-08-01), Saunders et al.
patent: 3076498 (1963-02-01), Williams et al.
patent: 3088681 (1963-05-01), McCutcheon
patent: 3139138 (1964-06-01), Bloom
patent: 3159200 (1964-12-01), Schuling et al.
patent: 3212558 (1965-10-01), Williams
patent: 3315726 (1967-04-01), Williams
Dority Jr. Carroll B.
Selas Corporation of America
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