Title:
ARGON TOWER FOR AIR SEPARATION DEVICE, AND AIR SEPARATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/033133
Kind Code:
A1
Abstract:
The objective of the present invention is to provide an argon tower for an air separation device, wherein the height of a distillation column can be reduced without reducing distillation performance. The present invention employs an argon tower (11) for an air separation device, said argon tower having upper sections and lower sections, wherein the bed lengths are identical for all of the upper sections and are identical for all of the lower sections, the upper section length is no greater than 72% of the total bed length, and the upper bed length is at least 1.25 times the lower bed length.
Inventors:
ISHIZAKI KAZUTOSHI (JP)
EGOSHI NOBUAKI (JP)
EGOSHI NOBUAKI (JP)
Application Number:
PCT/JP2022/033062
Publication Date:
March 09, 2023
Filing Date:
September 02, 2022
Export Citation:
Assignee:
TAIYO NIPPON SANSO CORP (JP)
International Classes:
F25J3/04; B01D3/16; C01B23/00; F25J3/02
Foreign References:
| JP2010210151A | 2010-09-24 | |||
| JPH07155585A | 1995-06-20 | |||
| JP2010046616A | 2010-03-04 | |||
| JP2000249464A | 2000-09-14 | |||
| JP2020026898A | 2020-02-20 | |||
| JP2004251569A | 2004-09-09 | |||
| JP6257656B2 | 2018-01-10 | |||
| JP2000337766A | 2000-12-08 | |||
| JP2016059888A | 2016-04-25 | |||
| JP2011206681A | 2011-10-20 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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