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    • 51. 发明授权
    • Apparatus for settling insulation material in cryogenic tanks
    • 冷冻罐中绝热材料的设备
    • US3633878A
    • 1972-01-11
    • US3633878D
    • 1969-10-14
    • SILBRICO CORP
    • MENDIUS CARL JR
    • B06B1/00F17C13/00B01F11/00
    • B06B1/00F17C13/001F17C2203/03F17C2223/0161Y10S220/92
    • The apparatus comprises a vibrator and a device for anchoring the vibrator to surface of tank wall in such a manner that the bond between the surface-anchoring device and the tank wall surface is releasable. The surface-anchoring device includes either an electromagnet or a permanent magnet, or a vacuum cup. Release is obtained by deenergizing the electromagnet, or by releasing the vacuum. Cams mounted adjacent the permanent magnet bear against the tank wall and force the pole pieces away from the tank wall to release the magnetic bond. The tank wall vibrates over a considerable area and the vibrations are transmitted to the insulation material to settle same. A rope supports the apparatus when the surface bond is released so that it can be shifted to a different wall portion.
    • 该装置包括振动器和用于将振动器固定到罐壁表面的装置,使得表面锚定装置和罐壁表面之间的结合是可释放的。 表面锚固装置包括电磁体或永磁体或真空杯。 通过使电磁体断电或通过释放真空来获得释放。 靠近永磁体安装的凸轮抵靠罐壁,并将极片从罐壁上推开以释放磁键。 罐壁在相当大的区域上振动,并且振动传递到绝缘材料以使其沉降。 当表面接合被释放时,绳索支撑设备,使得其可以移动到不同的壁部分。