CLEANING STORAGE AND LIKE TANKS
First Claim
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24. Apparatus for cleaning the interior walls of a storage tank, comprising a cleaning head supplied with cleaning airflow and means for traversing said cleaning head over said walls.
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Abstract
A method for cleaning the interior walls of a storage tank comprises traversing over said walls a cleaning head supplied with air. The cleaning head may comprise a cleaning duct having an inlet and an outlet and a lateral opening which in use is sealingly arranged against the tank wall, whereby air flowing through the duct flows over and in contact with the tank wall. Cleaning materials, such as aggregate particles and cleaning fluid droplets, may be entrained in the air.
23 Citations
46 Claims
- 24. Apparatus for cleaning the interior walls of a storage tank, comprising a cleaning head supplied with cleaning airflow and means for traversing said cleaning head over said walls.
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34-1. Apparatus according to and one of claims 32 to 34, comprising a duct which extends from the outlet of the said duct, angled thereto by the cone angle, and extending down to the central outlet of the tank, when against the conical wall.
Specification