Advanced fired heater unit for use in refinery and petro-chemical applications
US8490581B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 14, 2007 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Jun 17, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fired heater unit is disclosed having at least one radiant heating section with each of the at least one radiant heating section having a heating element located therein. The unit includes a convection section operatively connected to the at least one radiant heating section, wherein the convection section having at least one vertically oriented convection tube. Each of the at least one convection tube being operatively connected to the at least one radiant heating section. Each of the at least one convection tube includes an inner tube having process fluid flowing therethrough, wherein the process fluid being heated by the at least one radiant heating section, and an outer tube extending along a predetermined portion of the inner tube, wherein the outer tube is spaced from the inner tube to form a flow path therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.