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Title:
FURNACE MONITORING DEVICE AND GASIFICATION FURNACE PLANT PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2017/168838
Kind Code:
A1
Abstract:
A furnace monitoring device for monitoring the inside of a gasification furnace through which a combustible gas flows is provided with: a nozzle that has an internal cavity, and that is inserted inside the gasification furnace and fixed to the gasification furnace; a cylindrical protection tube which is inserted into the nozzle, and a part of which, located on the inside of the gasification furnace is, blocked; a monitoring window which is provided on the protection tube on the inside of the gasification furnace, and is made of a material that transmits light; a purge mechanism which supplies a gas containing an oxidizer to a surface of the monitoring window facing the inside of the gasification furnace; and an image capturing means which captures an image of the inside of the gasification furnace through the monitoring window, wherein the image capturing means has an image capturing device for capturing an image of the inside of the furnace through the monitoring window, an optical filter for blocking the wavelength of light emitted by radicals, and an optical filter switching unit for attaching or detaching the optical filter to or from the image capturing device.

Inventors:
YAMAMOTO, Junichiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KAWAMIZU, Tsutomu (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KUBOTA, Takahiro (16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
Application Number:
JP2016/085807
Publication Date:
October 05, 2017
Filing Date:
December 01, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
International Classes:
C10J3/46; F27D21/02; G01N21/27
Foreign References:
JP2002105464A2002-04-10
JP2001336735A2001-12-07
JP2007205708A2007-08-16
JP2000228732A2000-08-15
JPH0560473A1993-03-09
JPH09261516A1997-10-03
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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