Method and Plant for Treating Bottom Sludge in a Tank
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Abstract
Method for treating bottom sludge in a storage tank, comprising the step of breaking up the bottom sludge of the tank by the use of one or more jets under pressure. The method is characterized in that it comprises the steps of:
- monitoring the state of the bottom sludge inside the tank by SONAR means; and
- adjusting the action of the jets during the breaking-up step according to the effects on the state of the bottom sludge detected by the monitoring by SONAR means.
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Citations
79 Claims
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1-52. -52. (canceled)
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53. Method for treating bottom sludge in a storage tank, comprising a step of breaking up the bottom sludge of the tank by the use of one or more jets of fluid, wherein the method comprises steps of:
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monitoring a state of the bottom sludge inside the tank by SONAR means; and adjusting action of the jets during said breaking-up step according to their effects on the state of the bottom sludge detected by the monitoring step. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61)
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62. Plant for treating bottom sludge in a storage tank, comprising:
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means for generating one or more jets under pressure into the tank, said jets serving for breaking up the banks of bottom sludge and/or for mixing the contents of said tank, said means being adjustable for varying the range and direction of said jets and being intended for being fed with the contents of said tank; and a control unit of said means for generating jets; characterised in that it comprises active SONAR means suitable for detecting the state of the bottom sludge inside said tank, said SONAR means interfacing with said control unit so as to allow the latter to adjust the range and the orientation of said jets on the basis of the bottom sludge state. - View Dependent Claims (63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79)
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Specification