Cracking furnace

Details Cracking furnace Cracking furnace

2008-09-19

2011-10-04

Griffin, Walter D (Department: 1774)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including plural reaction stages

C422S655000, C422S198000, C422S200000

Reexamination Certificate

active

08029749

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 centerline curves in three dimensions, to induce swirl flow in the tube. Preferably, the tube is formed as a helix.

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