Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1995-06-23
1998-04-07
Alexander, Lyle A.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 2211, 134 23, 134 2212, B08B 302
Patent
active
057359644
ABSTRACT:
An assembly for cleaning a tube bundle including a plurality of elongated tubular lances movable within an outer shell. A flexible fluid hose within the shell extends to the manifold in the lower portion of the assembly, which in turn transmits pressurized fluid to the plurality of lances. The hydraulic motor powers a rack and pinion assembly to reciprocate the lances, while a plurality of spring biased plates each cover a slot in the lance housing. The assembly of the present invention utilizes a receiving manifold and a lance manifold connected by a plurality of nipples for a desirable low pressure drop. A pair of series connected valves allows the hydraulic fluid flow and the pressure to the drive motor to be separated controlled.
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