Cleaning and separation in conduits

Details Cleaning and separation in conduits Cleaning and separation in conduits

2005-07-12

2005-07-12

Carrillo, Sharidan (Department: 1746)

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

C134S002000, C134S004000, C134S006000, C134S007000, C134S022100, C134S022110, C134S022140, C134S022190, C134S034000, C134S035000, C134S036000, C134S040000, C134S041000, C134S042000

Reexamination Certificate

active

06916383

ABSTRACT:
A coherent body (B) of wet crushed ice is pumped along a pipe (5). The crushed ice body can be used as a means of cleaning the pipe wall, as a means of driving a product liquid out of the pipe for recovery, or as a barrier for preventing mixing of two different bodies of liquid (1,2) in the pipe to either side of it. Being coherent but flowable and non-tensile, the mass of crushed ice can negotiate internal constrictions, obstructions and junctions of the pipe readily, unlike conventional solid or gelled pigs.

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