NON-INTRUSIVE FURNACE EXHAUST GAS TEMPERATURE MONITOR

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: N/A
Agency Tracking Number: 17150
Amount: $221,647.00
Phase: Phase II
Program: SBIR
Awards Year: 1991
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Physical Sciences, Inc.
20 New England Business Center, Andover, MA, 01810
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Michael Frish
 Principal Investigator
 () -
Business Contact
Phone: (508) 689-0003
Research Institution
N/A
Abstract
DEVELOPMENT OF A NON-INTRUSIVE RAPID-RESPONSE INSTRUMENT ABLE TO MONITOR ASH PARTICLE TEMPERATURES IN FURNACE EXHAUSTGASES IS DESCRIBED. BECAUSE THE PARTICLES ARE THERMALLY EQUILIBRATED WITH THE GAS, THE MEASUREMENT IS, IN FACT, AN ACCURATE REPRESENTATION OF THE LOCAL GAS TEMPERATURE. WHEN COUPLED TO A COMPUTER-EQUIPPED WITH ANALOG OR DIGITAL OUTPUTPORTS AND THENCE TO A FURNACE CONTROL SYSTEM, THE DEVICE CANBE USED TO OPTIMIZE THE COMBUSTION PROCESS AND THEREBY INCREASE THE PLANT EFFICIENCY. THE INSTRUMENT CAN ALSO BE USED TO CONTROL INCINERATOR FURNACE TEMPERATURES, SPECIFICALLY TO MAINTAIN THEM ABOVE 1800 DEGREES F IN ORDER TO MINIMIZE EMISSIONS OF TOXIC ORGANICS SUCH AS AROMATIC HYDROCARBON OR CHLORINATED DIOXIN/FURANS. INDIRECT BENEFITSOF THE DEVICE INCLUDE INCREASED PLANT LONGEVITY, REDUCED POLLUTANT EMISSIONS, AND THE EXTENDED LIFETIME OF OUR FINITEFOSSIL FUEL RESOURCES. THE INSTRUMENT EMPLOYS AN INNOVATIVE VARIATION OF TWO-COLOR PYROMETRY TO ELIMINATE ERRORS, ASSOCIATED WITH RADIATION FROM THE PRIMARY COMBUSTION ZONE AND BOILER WALLS, WHICH HAVE CONFOUNDED PREVIOUS ATTEMPTS TO ACCURATELY MEASURE EXHAUST PARTICLE TEMPERATURES.

* information listed above is at the time of submission.

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