Integrated Gasification Combined Cycle GE IGCC ... - apec egcfe
Integrated Gasification Combined Cycle GE IGCC ... - apec egcfe
Integrated Gasification Combined Cycle GE IGCC ... - apec egcfe
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Questions<br />
1. Technical Characteristics of <strong>GE</strong> Gas Turbines to Handle Syngas<br />
There are many key design enhancements for <strong>GE</strong> <strong>IGCC</strong> gas<br />
turbines that enhance performance on syngas including:<br />
• High rotor torque capability to take advantage of higher mass<br />
flow with low BTU gas (6FA/7FA/9FA)<br />
• Dual fuel <strong>IGCC</strong> MNQC combustors with head-end diluent<br />
injection capability<br />
• Larger stage 1 nozzles to increase throughput and reduce<br />
compressor backpressure<br />
• Compressor air extraction capability to reduce ASU capital<br />
cost and reduce power consumption<br />
• Simplified fuel control system allowing for co-firing over 90/10-<br />
30/70 syngas/NG firing range with bumpless transfers<br />
• Nitrogen purge module<br />
• Mark VI controls for head-room in GT to handle interfaces with<br />
gasification process control
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