| 摘要 |
A CAST BURNER IS PROVIDED WITH AN OUTER HOLLOW AND AN INNER HOLLOW RINGS HAVING RESPECTIVE INLETS. A PLURALITY OF ARC SLOTS ARE SPACEDLY DEFINED IN AN UPPER FACE OF EACH RING. EACH SLOT HAS AN INCLINED CIRCUMFERENTIAL WALL. AND A PLURALITY OF ARC COVERS ARE DETACHABLY ATTACHED TO EACH SLOTS OF EACH RING. EACH COVER INCLUDES A DEPENDENT SKIRT FORMED WITH AN INCLINED BOTTOM FACE IN ENGAGEMENT WITH THE CIRCUMFERENTIAL WALL. A PLURALITY OF GROOVES ARE RADIALLY DEFINED IN THE BOTTOM FACE FOR PROVIDING GAS PASSAGES AND A PERIPHERAL LIP EXTENDS OUTWARD IMMEDIATELY ABOVE THE SKIRT FOR SHIELDING THE PASSAGES.FIGURE 1.
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