COAXIAL BARRIER SEAL OPERATED AS A SEPARATION SEAL IN A PIPELINE COMPRESSOR 41 st Turbomachinery Symposium Henk Blekkenhorst Huub de Bruijn H d f th C S i Henk Blekkenhorst Senior Compressor Engineer Siemens Energy Service Hengelo, Netherlands Head of the Compressor Service Product Management Department Siemens Energy Service Hengelo, Netherlands Christian Bonfert Senior Expert Compressor Seals and Systems EagleBurgmann Germany GmbH & Co. KG Wolfratshausen, Germany Ferdinand Werdecker Head of Engineering Compressor Seals EagleBurgmann Germany GmbH & Co. KG Wolfratshausen, Germany 1
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COAXIAL BARRIER SEAL OPERATED AS A SEPARATION SEAL IN A PIPELINE COMPRESSOR
41st Turbomachinery Symposium
Henk Blekkenhorst Huub de BruijnH d f th C S iHenk Blekkenhorst
Senior Compressor EngineerSiemens Energy Service
Hengelo, Netherlands
Head of the Compressor Service Product Management Department
Siemens Energy ServiceHengelo, Netherlands
Christian BonfertSenior Expert Compressor Seals and Systems
Purpose of modificationThis presentation will provide
details of the first application of a Coaxial Barrier Seal in a pipeline
Preparation / Qualification
Installation
Coaxial Barrier Seal in a pipeline compressor
Installation
Commissioning
Evaluation
Conclusion
2
Purpose of Project
Optimize compressor sealing system design for safe and reliableOptimize compressor sealing system design for safe and reliable operation with lower emissions
I d ti b t l b il dImproved separation between lube oil and process gas
Simplified seal arrangement
Reduced N2 consumption
Safe and secure gas seal monitoring system
Increased gas seal life time prolonged MTBF / MTBM
3
Qualification tests of Coaxial Barrier Seal (prototype testing)
B i S l S li Sh T S UBarrier Seal Supplier Shop Test Set Up
4
Qualification tests of Coaxial Barrier Seal
Static test – gas separation
Normal operation – leakage rates
Low backpressure leakage p g
High backpressure leakage
Gas consumption at high vent back pressure (with PDCV)
Simulation closed supply lineSimulation closed supply line
Long term tests with permanent pressurization of vent cavity