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Title:
BOILER
Document Type and Number:
WIPO Patent Application WO/2016/027763
Kind Code:
A1
Abstract:
A boiler comprises: a plurality of heat exchanging tubes (6) that are arranged in parallel with spaces therebetween; a protecting tube (12) that is disposed so as to extend in the direction that the plurality of heat exchanging tubes (6) are arranged in parallel and that is fixed so as to contact the heat exchanging tubes (6); an optical fiber (11) that is removably inserted into the protecting tube (12); an incident pulse generating device (14) that generates a laser pulse light to be incident to the optical fiber (11); and an analyzing device (15) that analyzes the time taken for the laser pulse to return as backscattered light, and the wavelength and light intensity thereof.

Inventors:
MORI Shinichiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
SAKATA Fumitoshi (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
YAMAUCHI Hisaki (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KIMURA Musashi (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
FUJITA Masaaki (3-1, Minatomirai 3-Chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2015/073009
Publication Date:
February 25, 2016
Filing Date:
August 17, 2015
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-Chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F22B37/38; G01K1/08; G01K11/32; G01K15/00
Foreign References:
JPS63126707U1988-08-18
JP2700827B21998-01-21
JPH08145810A1996-06-07
JP2008249515A2008-10-16
JP2004028748A2004-01-29
JPH0626604A1994-02-04
Attorney, Agent or Firm:
MORI Ryuichirou et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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