| 摘要 |
A system is provided for stirring and thereby reducing build up of bott om sediments in a storage tank, the system including a vertical outer casing having an intermediate opening communicating with a horizontal tubular member so that the vertical outer casing is supported within the interior of the tank and above the tank bottom. A perforated inner casing is rotatably supported within the vertical outer casing. An elbow fitting is affixed to one end of the inner casing. A nozzle is affixed to th e elbow having an outlet directed to horizontally discharge fluid over the tank bottom. A stepping motor is secured to the outer casing and has an output shaft affixed to the inner casing by which the inner casing is rotated to discharge recirculated tank fluid over the ta nk bottom to stir up and suspend bottom sediments.
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