07651331 is referenced by 2 patents and cites 74 patents.

A four-tube heating system for combusting a fuel and transferring the heat released therefrom to a process fluid. The heating system includes, a fuel introduction zone, a combustion zone, an oxidant introduction zone, and a process fluid zone, wherein the fuel introduction zone is defined by fuel introduction means for introducing fuel into the combustion zone that is defined by a reaction tube external to and surrounding the fuel introduction means, and wherein the oxidant introduction zone is defined by an oxidant introduction tube external to and surrounding the reaction tube, and wherein the process fluid zone is defined by a process tube external to and surrounding the oxidant tube.

Title
Multi-tube heat transfer system for the combustion of a fuel and heating of a process fluid and the use thereof
Application Number
11/371888
Publication Number
7651331 (B2)
Application Date
March 9, 2006
Publication Date
January 26, 2010
Inventor
Peter Veenstra
Amsterdam
NL
Assignee
Shell Oil Company
TX, US
IPC
F24J 1/00
F23C 5/08
View Original Source