| 摘要 |
An apparatus for cleaning the inside of tanks of various dimensions comprises a vertically disposed hollow tube inside the tank connected at its lower end to a hollow radial tube having a series of apertures horizontally disposed there along and having adjacent said apertures a plurality of scrapers, the apertures for permitting fluid under pressure to be directed against the inside walls and bottom wall of the tank the scrapers for providing a scraping action on the bottom wall of said tank. An aperture on the end of the radial tube permits fluid under pressure to be directed against the inside walls of said tank for facilitating removal of sediment. A source of fluid pressure is connected to the upper end of the vertically disposed tube providing the cleaning pressure for said tank.
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