| Customization: | Available |
|---|---|
| After-sales Service: | Provide Installation and Commissioning Guidance. |
| Warranty: | One Year |
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The 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.
Overall dimension drawing
Cross-sectional drawing
Process Flow
Steam Turbine Body
| Item | Unit | Data |
| Product Code | T580 | |
| Rated Speed | r/min | 7000~12000 |
| Number of Turbine Stages | 1 regulation stage + 3 pressure stages | |
| Governor Type | DEH Electro-Hydraulic Regulation | |
| Overspeed Protection Method | Two-out-of-three electrical overspeed protection + mechanical overspeed protection | |
| Overspeed Protection Actuation Speed | Rated speed × (1.09 - 1.11) | |
| Overspeed Protection Response Time | s | <0.5 |
| Vibration Value at Rated Speed | mm | ≤0.03 |
| Vibration Value at Critical Speed | mm | ≤0.15 |
| Maximum Axial Displacement | mm | ±0.4 |
| Turbine Casing Weight | t | 5.5 |
| Bearing Lubrication Type | Forced lubrication | |
| Bearing Alarm Temperature | ºC | 85 |
| Turbine Dimensions (Length × Width × Height) | mm | 3800×2500×2200 |
| Turbine Center Height (from Operating Platform) | mm | 1070 |
| Steam Seal Type | Comb-Tooth Labyrinth Seal | |
| Noise Level | dB | ≤80 |
| Unit Continuous Operation Time | hr/year | 8000 |
| Turning Gear Method | Electric Turning Gear |
| Item | Unit | Data | |
| Oil Station | Flow rate | L/min | 500 |
| Oil Pump Configuration | Oil pressure: Adjustable from 0.3 to 1.0 MPa Two AC oil pumps, one DC oil pump |
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| Seal steam heater | Heat Transfer Area | m2 | 20 |
| Cooling Water Flow Rate | t/h | 50 | |
| Cooling Water Pressure | MPa | 0.2~0.4 | |
| Cooling Water Temperature (Normal/Maximum) | ºC | 27/33 | |
Emergency Shut-off Device
The 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.
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