Patent ID: 8122898
Filing Date: 2012-02-28
Classification: B05B,B08B

Abstract:
1. A tank cleaning system for cleaning interior surfaces of a vertically oriented tank having an inside diameter and an inside circumference of substantially circular cross section, the tank defining a central vertical axis, and the tank having an access defining a diameter less than the inside diameter, the cleaning system comprising: a. a feed sub-system comprising a prime mover adapted to be positioned outside the tank to be cleaned; b. a support spaced above and outside the access, wherein the feed sub-system is positioned laterally of the support; c. a spray sub-system comprising: d. a flexible feed tube which conducts high pressure fluid of at least 9,000 psi. from the feed sub-system to the spray sub-system; wherein the prime mover develops lateral and unidirectional rotational movement in the feed tube; and further wherein the feed tube suspends the spray sub-system within the tank by gravity.