Title:
HELIUM REFINERY
Document Type and Number:
Japanese Patent JPH04367506
Kind Code:
A
Abstract:
PURPOSE: To perform helium purification without causing operational inconvenience while reducing the load on a refinery.
CONSTITUTION: The objective refinery is provided with membrane-separation purification apparatuses M1 to M3 placed on the upstream side of a purifying means 20, by-pass channels 36,38,40,42,44,46,48 to directly introduce impure helium gas into the purifying means 20 by-passing the membrane-separation purification apparatuses M1 to M3 and means 51,52,53 to open and close the by-pass channels.
Inventors:
OTSU KOKEN
Application Number:
JP14014691A
Publication Date:
December 18, 1992
Filing Date:
June 12, 1991
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B01D53/22; C01B23/00; F25J3/08; (IPC1-7): B01D53/22; C01B23/00; F25J3/08
Attorney, Agent or Firm:
Etsushi Kotani (2 outside)