| 摘要 |
<p>A cleaning device for the interior of tanks has a rotating element (4) fitted with outlet nozzles (5 and 6). A turbine wheel (9) drives the rotating element (4) through the cleaning liquid being sprayed out with the aid of a drive (12 and 13). A nozzle (5) is positioned on the rotating element which can be shut off at predetermined positions during the rotating movement by throttle devices (16, 161). The cleaning device also includes a counter (14) which switches the device off after completion of a pre-set number of revolutions.</p> |
