Medium pressure steam intervention in an olefin cracking furnace decoke procedure
US9644149B2 · kind B2 · utility
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2References
62Claims
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Key dates
| Filing date | Sep 5, 2013 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Jun 24, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2230/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described herein is a method for removing coke deposits in radiant tubes of an olefin cracking furnace and removing accumulated spalled coke from one or more outlet elbows of the olefin cracking furnace without performing a cold shutdown of the furnace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.