Title:
METHOD AND APPARATUS FOR LIQUEFYING AND SEPARATING AIR
Document Type and Number:
Japanese Patent JP3681187
Kind Code:
B2
Abstract:
PURPOSE: To improve the product yield in an air liquefying separator and to improve argon yield without influence to the yield and composition of a product to be collected from an upper tower.
CONSTITUTION: A reboiler 31 is installed between a main condenser 17 of an upper tower 8 of a double fractionating tower and a conduit for introducing liquefied air from a lower tower 2. Low-temperature liquefied gas from the tower 2 is introduced as a heat source to the reboiler 31, and the liquefied gas cooled by the reboiler 31 is introduced to the tower 8.
Inventors:
Yasuhiro Murata
Toshiyuki Nojima
Osamu Utada
Toshiyuki Nojima
Osamu Utada
Application Number:
JP18480194A
Publication Date:
August 10, 2005
Filing Date:
August 05, 1994
Export Citation:
Assignee:
Taiyo Nippon Sanso Co., Ltd.
International Classes:
F25J3/04; (IPC1-7): F25J3/04
Domestic Patent References:
| JP6210162A | ||||
| JP5187768A | ||||
| JP5133682A |
Attorney, Agent or Firm:
Kazuhiko Kido
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