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Gas turbine driven high speed centrifugal compressor unit
Gas turbine driven high speed centrifugal compressor unit
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机译：燃气轮机驱动的高速离心压缩机组
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摘要
A high speed centrifugal compressor is closely directly coupled to the power turbine of a two-shaft gas turbine having a gas generator section separate from its power turbine. Through the direct close coupling and centerline mounting of the gas turbine exhaust casing for free and uniform heat expansion, alignment between stationary and rotating parts of the power turbine and compressor is maintained free from mechanical problems. The compressor stage assembly elements are conveniently interfitted together in the vertically split compressor casing by means of compression bolts minimizing fastening means. Bearings and oil seals are fed by an integrated lubrication and sealing oil system utilizing a compact oil distribution manifold assembly incorporating a quick filter change structure. The turbine fuel distribution system includes means permitting ready replacement and maintenance of individual fuel nozzles without disassembly of the entire fuel nozzle system. The gas turbine-compressor finds particularly useful application in areas where high power, compact, relatively maintenance-free units are required, as, for example, on offshore platforms in the natural gas industry.
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