| 摘要 |
<p>BURNER WITH IGNITION DEVICE A burner with an ignition device comprising a substantially cylindrical housing (2), a tubular element (6) having an open inboard end (7) defining a flame port, said element being substantially concentrically located in the housing (2), a substantially annular front wall (4) extending between the cylindrical housing (2) and the tubular element (6), conduit means (20, 21) arranged in the space defined between the housing (2) and the tubular element (6) for separately supplying fuel and oxygen-containing gas to outlet means (22, 23) for fuel and oxygen-containing gas, respectively, arranged in the annular front wall (4), the burner further comprises means arranged in the tubular element (6) near the open inboard end (7) for generating sparks, the spark generating means being formed of an elongated electrode (8) having an uninsulated outer endpart and being substantially concentrically arranged in the tubular element thereby defining an annular space, means (14, 15) for supplying a combustible gas mixture into said annular space, the annular space being provided with a baffle assembly (16) upstream of and adjacent to the outer end of the electrode (8), said baffle assembly (16) being provided with first passage means (19) for issuing low velocity combustible mixture towards the electrode s outer endpart and second passage means (17) for issuing high velocity combustible mixture towards the electrode s outer endpart, the burner being further provided with means for flame detection.</p> |
