Title:
PIPING FOR VAPOR
Document Type and Number:
WIPO Patent Application WO/2013/145075
Kind Code:
A1
Abstract:
[Problem] To reduce the weight of piping for vapor while ensuring the required strength of the piping and to prevent the stress corrosion cracking of the piping, the piping allowing high-temperature, high-pressure vapor to flow therethrough.
[Solution] This piping (10) for vapor is configured from a double pipe formed by securing to each other an inner pipe (11) and an outer pipe (12) which has a smaller wall thickness than the inner pipe (11). The inner pipe (11) consists of ferritic chrome steel, and the outer pipe (12) consists of austenitic stainless steel. The inside of the inner tube (11) is a space through which vapor is allowed to flow.
Inventors:
NISHIDA HIDETAKA (JP)
Application Number:
PCT/JP2012/057729
Publication Date:
October 03, 2013
Filing Date:
March 26, 2012
Export Citation:
Assignee:
CHUGOKU ELECTRIC POWER (JP)
NISHIDA HIDETAKA (JP)
NISHIDA HIDETAKA (JP)
International Classes:
F22B37/10; F16L9/14; F28F21/08
Foreign References:
| JP2001500191A | 2001-01-09 | |||
| JPH11193448A | 1999-07-21 | |||
| JP2010071636A | 2010-04-02 | |||
| JPH06300211A | 1994-10-28 |
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
All international patent business corporation (JP)
All international patent business corporation (JP)
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