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M+M Turbinen-Technik, GT 500-4, 2013, 7130 kW, 50 Hz, 21 bar

Description

  1. Overview

    1. Machine type: back-pressure steam turbine GT 500-4

    2. Brand: M+M Turbinen-Technik

    3. Model: GT 500-4

    4. Year of construction: 2013

    5. Condition: used

    6. Functionality: fully functional

    7. M+M turbines are typically custom-made industrial steam turbines used for combined heat and power (CHP) or for energy recovery from process steam.

    8. Due to the moderate inlet pressure and the relatively high outlet pressure, this is a back pressure steam turbine.

    9. It was designed for process steam systems to ensure efficient energy recovery and heat supply.

    10. The turbine was used in a paper mill to increase efficiency.

    11. With an output of 7.2 MW, this turbine is considered a medium-sized system in industrial applications.

    12. Thanks to the pressure ratios and the use of the turbine's exhaust steam, very little energy is lost.

  2. Specifications

    1. Power: 7,130 kW (9,694.09 HP)

    2. Continuous power: 7,130 kW (9,694.09 HP)

    3. Nominal power: 7,130 kW (9,694.09 HP)

    4. Output frequency: 60 Hz

    5. Rotational speed (max.): 1,500 rpm

    6. Evaporation pressure: 21 bar

    7. Steam pressure: 4.3 bar

    8. Temperature: Inlet 365 °C (689°F) / Outlet 165 °C (329°F)

    9. Generator: 8300 kWel

    10. Motor brand: M+M Turbinen-Technik

    11. Motor and gearbox

    12. Estimated steam flow rate: 30 to 40 t/h

    13. Maximum steam flow rate: 114 t/h

    14. Steam pressure is reduced from 20 bar to 4.2 bar as the steam flows through the turbine.

  3. Operating Data

    1. Operating hours: 73,000 h

    2. Total operating hours: 73,000 h

    3. Operating hours (annually): 8760 h/year

    4. Designed for operation for 8,760 hours (full load year)

    5. Efficiency achieved in the paper mill: 60% to 75%

    6. Efficiency in CHP operation: approximately 75% to 85%

    7. The turbine-generator unit supplies the paper machine with electricity at the 6 kV level.

    8. The process steam required for production is provided in two pressure stages.

    9. If the turbine needs to be shut down for any reason, the process steam supply is provided via four pressure reducing stations connected in parallel.

  4. Included Equipment

    1. Transformers included: Siemens Type 4GU6043-9HY