Triple rotary gas lock seal system for transferring coal continu

Details Triple rotary gas lock seal system for transferring coal continu Triple rotary gas lock seal system for transferring coal continu

1979-05-24

1981-01-13

Bashore, S. Leon

Gas: heating and illuminating

Generators

Cupola

48 86R, 110108, 202262, 414219, C10J 368

Patent

active

042447054

ABSTRACT:
A multiple rotary gas lock apparatus using a buffer seal gas is disclosed to enable the transfer of solid materials into or out of a pressurized process containing high temperature, flammable or toxic gases. The buffer seal gas, has a pressure higher than the process pressure and is introduced between two series connected gas locks; this prevents process gas backflow to the feed system. Buffer seal leakage gas from the first pair of gas locks and air from a third gas lock are removed from an opening in a connection between the pair of gas locks and the third gas lock at subatmospheric pressure. This system enables control and usuage of toxic or flammable gases as a buffer for mixing compatibility with the process gas when a suitable inert gas is not available. It also prevents the flow of any toxic gas to the worker environment.

REFERENCES:
patent: 2347271 (1944-04-01), Linn
patent: 2585472 (1952-02-01), Kennedy
patent: 2599978 (1952-06-01), Davis et al.
patent: 3347741 (1976-10-01), Hutchison
patent: 4049394 (1977-09-01), Gernhardt et al.

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