| 摘要 |
PROBLEM TO BE SOLVED: To provide an oven cover cleaning nozzle apparatus capable of coping with mixed oven covers having gas canals different in width by one apparatus without causing uncleaned portions and, at the same time, capable of cleansing gas canals with good efficiency. SOLUTION: An oven cover cleaning nozzle comprises one jet cylinder 2A, a plurality of jet nozzles A and B which meet a plurality of cleaning ranges and are formed at the tip surface of this jet cylinder 2A, high pressure water feed passages 2a and 2b which are provided in a shank 2B connected to the jet cylinder 2A and are connected to the jet nozzles A and B, respectively, changeover valves 5 for the changeover of feeding high pressure water to the high pressure feed passages 2a and 2b, and a rotational driving section (a hydraulic motor 4) for the rotation of the shank 2B.
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