叙述某台PG9171E型燃气轮机在改用DLN 1.0燃烧系统后出现的问题，如一区喷嘴环形锁片脱落、一区重点火等，并提出相应的解决措施，优化技改方案，提高配备DLN 1.0燃烧系统燃气轮机运行的可靠性。%Problems after the DLN-1.0 combustion system conversion in the PG9171E gas turbine were described, such as the primaryfuel nozzle ring migration, the primary zone re-ignition.And the corresponding solution measures was proposed , which can improvethe reliability of the gas turbine operation after the DLN-1.0 conversion.
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