Turboexpander

Details Turboexpander Turboexpander

1975-12-05

1977-03-29

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

60688, 55442, F25J 306

Patent

active

040146740

ABSTRACT:
A turboexpander preferably for cooling natural gas, comprising a casing whose shaft carries operating stages with blades. Provided in the casing in the direction of the gas-liquid flow is at least one separating stage wherein set in succession are a guiding device with a blade pitch smaller than that of corresponding blades of the operating stage, and a runner. The profile of the runner blades has an extended inlet portion with spouts provided on its back. Besides, there is a ring chamber provided in the casing along the periphery of the runner, said ring chamber having a slit for collection of the separated liquid and a branch pipe located in the lower part of the casing.

REFERENCES:
patent: 873041 (1907-12-01), Gray
patent: 2170071 (1939-08-01), Furrer
patent: 2997283 (1961-08-01), Seglem

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