OPTICAL FLUE GAS MONITOR AND CONTROL

Title:

OPTICAL FLUE GAS MONITOR AND CONTROL

Document Type and Number:

WIPO Patent Application WO/2011/022158

Kind Code:

A1

Abstract:

A plurality of optical monitoring systems 220,320 sense the concentration of at least one constituent in flue gasses of a furnace 1 and its emission control devices. The monitoring devices 220,320 includes at least one optical source 221 for providing beams 223 through a sampling zone 18 to create a combined signal indicating the amount of various constituents within the sampling zone 18. The combined signal may be fed forward to emission control devices to prepare them for oncoming emissions. The combined signals may also feed backward to adjust the emission control devices. They may also be provided to a control unit 230 to control stoicheometry of the burners of furnace 1. This results in a more efficient system that reduces the amount of emissions released

Inventors:

TANCA MICHAEL C (US)

Application Number:

PCT/US2010/042711

Publication Date:

February 24, 2011

Filing Date:

July 21, 2010

Export Citation:

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Assignee:

ALSTOM TECHNOLOGY LTD (CH)
TANCA MICHAEL C (US)

International Classes:

F23D1/02; F23J15/00; F23J15/02; F23J15/04; F23N5/00; F23N5/08

Domestic Patent References:

WO2008106056A1

2008-09-04

Foreign References:

EP0766080A1	1997-04-02
EP0829684A1	1998-03-18
EP0766042A1	1997-04-02
US20050030628A1	2005-02-10

Attorney, Agent or Firm:

ZALE, Lawrence P. et al. (200 Great Pond DriveP.O. Box 50, Windsor Connecticut, US)

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Claims:

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Description:

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