The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 28, 2000

Filed:

Jun. 28, 1999
Applicant:
Inventor:

Yaosheng Chen, Blacksburg, VA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N / ; F23N / ; F23N / ;
U.S. Cl.
CPC ...
431 12 ; 431 13 ; 431 14 ; 431 79 ; 431 89 ; 431 90 ;
Abstract

A method and an apparatus for monitoring fuel combustion status in a burner such as a boiler and a gasifier with high accuracy, high reliability and fast response are disclosed. The apparatus comprises a series of fiber optic flame monitors that are installed next to each nozzle inside said burner to determine temperature, flame flash frequency and the burned fuel particle density. In terms of a master controller and a group of on-line controllers, the optimized combustion of the burner is approached by monitoring the combustion status of each nozzle and regulating the discharges of air or oxygen and fuel to each nozzle, in accordance with the comparison of the data detected by flame monitors and optimal data.


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