| 摘要 |
PROBLEM TO BE SOLVED: To automatically carry out the removing work of slag oxide and a spatter at the welding part of the flange and the web of a lounge, its neighboring part, and the flange end face of the lounges. SOLUTION: This lounge blast device is provided with a blast nozzle to project a grinding/polishing/cleaning material to a welding bead 103 of a flange 101 and a web 102 to compose a lounge 10, and to the flange 101 surface and to the web 102 surface neighboring with the welding bead 103; a function to feed the grinding material to the blast nozzle; a function to recover the projected grinding material, a removed rust, a paint film, and the like; a function to separate the grinding material which can be reprojected, the material which cannot be reprojected owing to the reduction of the function, a removed dust, a paint film, and the like; and a blast chamber which surrounds the periphery of the lounge, and prevents the scattering of the dust and the grinding material generated in the blasting time.
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