Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2010
Patent Application Number
11686735
Date Filed
March 15, 2007
Patent Primary Examiner
Patent abstract
The invention relates to piping for use as a pyrolysis tube in a cracking furnace. The tube is formed such that it has at least one section whose centreline curves in three dimensions, to induce swirl flow in the tube. Preferably, the tube is formed as a helix, more preferably a low-amplitude helix.
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