Title:
高性能熱交換器
Document Type and Number:
Japanese Patent JP4781504
Kind Code:
B2
Abstract:
Disclosed are means for improving the service-life of indirect tubesheet type heat exchangers used in chemical reactors, particularly those exposed to reducing, nitridizing and/or carburizing environments. Such means include the use of certain ferrules (22) within the heat exchange tubes (2) and/or weld types used in construction of these heat exchangers.
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Inventors:
Paul Joseph Branda Jr.
Michael Stanley Dekosey
Michael Stanley Dekosey
Application Number:
JP2000198213A
Publication Date:
September 28, 2011
Filing Date:
June 30, 2000
Export Citation:
Assignee:
ROHM AND HAAS COMPANY
International Classes:
F28F9/08; C01C3/02; C22C19/05; F28D1/04; F28F9/16; F28F9/18; F28F19/00; F28F21/08
Attorney, Agent or Firm:
Patent Business Corporation Sender International Patent Office