Title

An experimental investigation into the feed rate capacity of rotary valve and blow tank feeders

RIS ID

15521

Publication Details

Wypych, PW, Hastie, DB, Frew, I & Cook, DM, An experimental investigation into the feed rate capacity of rotary valve and blow tank feeders, Particulate Science and Technology: an international journal, 24(2), 2006, p 165-179.

Abstract

Industry widely uses rotary valves and blow tanks for the pneumatic conveying of products, each having their pros and cons depending on the specific application. This article shows the differing results obtained when low-velocity conveying a product through a common pipeline using both a drop-through rotary valve and a bottom-discharge blow tank feeder. A number of issues arise in the rotary valve system, the main one being rotary valve air leakage. A blow tank system, on the other hand, does not leak, as it is an enclosed system. The experimental results show dramatic differences in product throughput. Further exploration leads to a novel modification being made to the rotary valve system in an attempt to increase its capacity. The result of this modification shows a slight increase in output tonnage, but still significantly less than that obtained from the blow tank.

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Link to publisher version (DOI)

http://dx.doi.org/10.1080/02726350500544216