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BACK TO PRESENTATIONS
September 18-21, 2011 – Houston, TX
Oerview:
- Flare testing conducted by TCEQ and The University of Texas
- Determined how air assisted and steam assisted flares perform at turndown rates
- Suggested that incorrectly designed or operated flares may reduce the Destruction and Removal Efficiency (DRE) of flares
- Zeeco testing
- Performed testing of steam assisted flares to compliment TCEQ tests
- Zeeco focused on API recommended purge rates
Testing
Three steam assist methods were tested for each purge rate- Center steam only
- Upper steam only
- Combined upper and center steam
Conclusion
- Constant cooling steam is necessary for thermal protection of the flare tips and equipment
- Strong indication that cooling steam, while operating at API Purge Rates does reduce destruction efficiency Purge Rates, does reduce destruction efficiency
- LHV for combined steam and gas is necessary for predicting the destruction efficiency of flares