Conveyors: fluid current – Having means to introduce booster fluid into conveyor – Plural booster inputs
Patent
1981-04-02
1984-05-29
Love, John J.
Conveyors: fluid current
Having means to introduce booster fluid into conveyor
Plural booster inputs
406197, B65G 5300, B65G 5330
Patent
active
044511833
ABSTRACT:
Aggregate, fragmented material and the like is transported in a pipeline by introducing foam under pressure into the pipeline along with the aggregate, fragmented material and the like to be transported and the foam and aggregate, fragmented material and the like are maintained at a pressure to move the aggregate, fragmented material and the like and foam along the pipeline. The foam may be regenerated at spaced positions along the pipeline by introducing additional foam into the pipeline or introducing gas under pressure into the pipeline to agitate the foam. The gas phase of the foam, as well as the gas employed to regenerate the foam consists essentially of one of the group consisting of air, nitrogen, natural gas or carbon dioxide and the liquid phase of the foam consists essentially of one of the group consisting of water, brine or oil.
The aggregate may be mixed with a liquid to provide a slurry and then introduced into the pipeline under pressure and pumped therealong, with foam introduced under pressure into the pipeline at spaced positions therealong. In some instances, the pipeline will be provided with generally upwardly or vertically extending portions wherein the lower end of such section communicates with the upstream portion of the pipeline and the upper end of the section communicates with the downstream portion of the pipeline and additional foam is injected into the generally upwardly extending section adjacent the lower end thereof, as well as at spaced intervals therealong, if necessary, to assist in moving the aggregate through the pipeline.
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Hayden Jack W.
Love John J.
Pool Company
Williams L. E.
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