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High-Efficiency Back Pressure Steam Turbine Generator for Power Generation (T580)1
Power Generating Sets, Turbine Generator, Steam Turbine
Zibo Renao Steam Turbine Co., Ltd.
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Product Description Product DescriptionThe T580 steam turbine is a multi - stage back - pressure steam turbine. The unit is arranged in a single layer, featuring a small volume and convenient installation. The rated speed of the main shaft is 8000 revolutions per minute, and the maximum speed can reach 10000 revolutions per minute. The rotor of this unit is a solid - forged rotor, and the flow passage part consists of one governing stage and 3 to 10 pressure stages. There are axial gland seals between each stage to reduce steam leakage loss. The main steam valve of this machine is an automatic main steam valve, and the opening and closing of the main steam valve are controlled by high - pressure oil. The power range of this machine is 2000 - 7500kW. It has a wide range of applications, low equipment operation costs, and significant economic benefits.Detailed PhotosOverall dimension drawingCross-sectional drawingProcess FlowOptimized designProduct ParametersSteam Turbine BodyItemUnitDataProduct Code T580Rated Speedr/min7000~12000Number of Turbine Stages 1 regulation stage + 3 pressure stagesGovernor Type DEH Electro-Hydraulic RegulationOverspeed Protection Method Two-out-of-three electrical overspeed protection + mechanical overspeed protectionOverspeed Protection Actuation Speed Rated speed × (1.09 - 1.11)Overspeed Protection Response Times<0.5Vibration Value at Rated Speedmm≤0.03Vibration Value at Critical Speedmm≤0.15Maximum Axial Displacementmm±0.4Weightt5.5Bearing Lubrication Type Forced lubricationBearing Alarm TemperatureoC85Turbine Dimensions (Length × Width × Height)mm3800×2500×2200Turbine Center Height (from Operating Platform)mm1070Steam Seal Type Comb-Tooth Labyrinth SealNoise LeveldB≤80Unit Continuous Operation Timehr/year8000Turning Gear Method Electric Turning GearAuxiliary SystemItemUnitDataOil StationFlow rateL/min500Oil Pump Configuration Oil pressure: Adjustable from 0.3 to 1.0 MPaTwo AC oil pumps, one DC oil pumpSeal steam heaterHeat Transfer Aream220Cooling Water Flow Ratet/h50Cooling Water PressureMPa0.2~0.4Cooling Water Temperature (Normal/Maximum)oC27/33 Security SystemEmergency Shut-off DeviceThe emergency shut-off device is a protective mechanism that prevents the rotor from exceeding the allowable rotational speed, installed on the main oil pump casing connected to the main shaft. The emergency shut-off device used in this unit is a centrifugal flyweight type, which has an eccentric weight mounted radially on the main oil pump casing. At normal rotational speeds, a spring force balances it. When the unit's speed exceeds the rated speed by 9-11%, the flyweight is thrown out, causing the emergency shut-off throttle to disengage and activate. CertificationsAfter Sales ServiceProvide guidance for equipment installation and commissioning; conduct technical training; during the warranty period, if the unit fails to operate normally or components are damaged due to quality defects, the Seller shall repair them free of charge.
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