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.
Patent No.:
Date of Patent:
Mar. 30, 2010
Filed:
Nov. 03, 2005
Mahendra Ladharam Joshi, Allentown, PA (US);
Xianming Jimmy LI, Orefield, PA (US);
William Robert Licht, Allentown, PA (US);
Aleksandar Georgi Slavejkov, Allentown, PA (US);
Stephen Paul Dimartino, Sr., Schnecksville, PA (US);
Mahendra Ladharam Joshi, Allentown, PA (US);
Xianming Jimmy Li, Orefield, PA (US);
William Robert Licht, Allentown, PA (US);
Aleksandar Georgi Slavejkov, Allentown, PA (US);
Stephen Paul DiMartino, Sr., Schnecksville, PA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
The present invention relates to a method and furnace for generating straightened flames in a steam methane reformer or ethylene cracking furnace where fuel-staged burners are used. Fuel staging may be used for reducing NOx emissions. Criteria for generating straightened flames are provided. These criteria relate to oxidant conduit geometry and furnace geometry. Techniques for modifying the furnace and/or burners to achieve these criteria are also provided.