Turbines GE Frame 6B gas turbine

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item-No.: 164553711 Quantity: 1 Date: 08.10.2024
Year of manufacture: 1981 Location: Germany
Price: request quote
Manufacturer: GE
Model: Frame 6B gas turbine
Type of machine: Turbines
Description: Turbines GE Frame 6B gas turbine

used machine

2x GE Frame 6B gas turbines

# Technical Summary

Equipment Details

- Gas Turbines: Two GE MS 6001 B gas turbines paired with AEG generators (Type S7102/2).

- Operation History:

- Commissioning: 1981

- Gas-fired Operation: Until 2005, primarily for base load (~7000 hours/year).

- Operational Hours in Combined Cycle:

- GT21: ~167,000 hours, ~1130 starts

- GT22: ~159,000 hours, ~1180 starts

- Retrofitted: In 1996 with water injection for NOx reduction.

- Conversion: In 2007 to peak load operation using heating oil (HEL) with new steel chimneys and upgraded control systems to ABB Procontrol 14.

- Operational Hours in Peak Load:

- GT21: ~130 hours, ~177 starts

- GT22: ~150 hours, ~180 starts

- Last Network Operation: 2015

- Last Oil Service:

- GT21: October 2015

- GT22: September 2016

- Last Borescope Inspection: December 2016

- Defect: Heating oil transfer line issue in 2017 halted operations.

- Decommissioning: September 2023

Technical Specifications

- Application: Generator drive

- Shaft Speed: 5105 rpm

- Control System: ABB Procontrol 14

- Protection Systems: Overspeed, overtemperature, vibration, and flame monitoring

- Cooling Mechanism: Integrated rotation device in the torque converter

Environmental Conditions

- Ambient Temperature: 15°C

- Air Pressure: 0.9945 bar

- Pressure Drop in Intake System: 10.0 mbar

- Exhaust Diffuser Outlet Pressure: 30.0 mbar

- Relative Humidity: 60%

Compressor Section

- Stages: 17 axial stages

- Type: High-performance axial compressor

- Casing: Horizontally split

- Inlet Guide Vanes: Adjustable

Turbine Section

- Stages: 3 continuous shaft stages

- Casing: Horizontally split

- Guide Vanes: Fixed

Combustion System

- Type: 10 concentric ring chambers around the compressor

- Fuel Nozzles: One per chamber, pressure atomized

- Ignition: 2 spring-loaded, self-retracting electrode-type spark plugs

- Flame Monitors: 2 ultraviolet

Bearing Arrangement

- Number: 2

- Lubrication:

- Bearing No. 1: Pressure lubricated, combination of thrust and journal bearings

- Bearing No. 2: Lemon bore journal bearing

Starting System

- Device: Diesel engine (12 V-71-NT turbocharger)

- Torque Converter: Hydraulic with integrated reversing gear and rotation device

Fuel System

- Operating Fuel: Heating oil (HEL)

- Fuel Pump: Auxiliary gear-driven screw pump with constant flow

- Fuel Distributor: Free-rotating, 10 elements

- Fuel Shutoff Valve: Electrohydraulic servo control

- Fuel Filters: 2 low-pressure full-flow, 1 high-pressure full-flow

Lubrication System

- Lubricant: Petroleum-based

- Total Volume: ~7000 liters

- Main Oil Pump: Shaft-driven, flange-mounted to auxiliary gearbox

- Auxiliary and Emergency Oil Pumps: Motor-driven submersible centrifugal U1258834 pumps

Heat Exchanger

- Type: Oil/Water

- Quantity: Single unit

Lubrication Filters

- Type: Full-flow with changeover valve

- Quantity: 2

- Filter Type: 5-micron

Hydraulic System

- Pump: Gear-driven axial piston pump

- Filters: 2 full-flow with changeover valve

Cooling System

- Pump: Gear-driven centrifugal pump

Atomization Air System

- Main Compressor: Gear-driven centrifugal compressor

- Starting Compressor: Positive displacement pump driven by starting diesel

- Pre-cooler: Tubular and air/water heat exchanger

- Air Filter: Centrifugal separator

Performance Data

- Output at Generator Terminals (Heating Oil): Base load 33.75 MW

- Efficiency: 29.9%

- Exhaust Mass Flow: ~131.3 kg/s

- Exhaust Temperature: ~530°C

The spare parts are:

- compressor and turbine blading, used (various) and revised (leading row 2 + 3 and running row 1 + 2)
- Transition pieces used and revised
- Flammrohre used and revised
- Fuel nozzles and much more.
- Cover segments (new)
- As well as a complete warehouse with small parts (hydraulic components, screw connections, seals, measurement technology, etc.)

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seller offer No. resale 5234904
Seller-item-No.: 5234904

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