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:
Jul. 31, 2018

Filed:

Mar. 03, 2015
Applicant:

Air Products and Chemicals, Inc., Allentown, PA (US);

Inventors:

Tunc Goruney, Bethlehem, PA (US);

Xiaoyi He, Orefield, PA (US);

Assignee:

Air Products and Chemicals, Inc., Allentown, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23D 14/22 (2006.01); F23D 14/64 (2006.01); F23D 14/70 (2006.01); F23D 14/32 (2006.01); F23D 14/48 (2006.01); F23D 14/58 (2006.01);
U.S. Cl.
CPC ...
F23D 14/22 (2013.01); F23D 14/32 (2013.01); F23D 14/48 (2013.01); F23D 14/583 (2013.01); F23D 14/64 (2013.01); F23D 14/70 (2013.01); Y02E 20/344 (2013.01);
Abstract

A flat flame oxy-fuel burner including a gaseous fuel nozzle having a hydraulic diameter Dand a width to height ratio w/a of at least 2; a primary oxidant conduit surrounding the fuel nozzle to form an annular primary oxidant nozzle between the fuel nozzle and the oxidant conduit, the oxidant conduit having a height b, the respective outlet ends of the fuel nozzle and the oxidant nozzle being aligned; and a precombustor extending from the outlet end of the fuel and oxidant nozzles and having a length L and a hydraulic diameter D; wherein the ratio L/Dis non-zero and less than or equal to 4; wherein the ratio L/D, is non-zero and less than or equal to 12; and wherein the dimensions a, b, and w are sized to yield a primary oxidant Reynolds number from 200 to 22,000 during burner is operation at 0.05 to 1 MMBtu/hr.


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