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TURBINE GAS METERS

TURBINE GAS METERS. OPERATING PRINCIPLE. BODY. INDEX. COUPLING. TURBINE WHEEL. FLOW CONDITIONERS. BEARING BLOCK. MAIN SHAFT. OPERATING PRINCIPLE. IDEAL TURBINE. ERROR (%). 1. 0,5. 0. -0,5. -1. 0. 25. 50. 75. 100. 125. CAPACITY (%Qmax). IDEAL TURBINE GAS METER. REALITY.

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TURBINE GAS METERS

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  1. TURBINE GAS METERS

  2. OPERATING PRINCIPLE BODY INDEX COUPLING TURBINE WHEEL FLOW CONDITIONERS BEARING BLOCK MAIN SHAFT

  3. OPERATING PRINCIPLE

  4. IDEAL TURBINE ERROR (%) 1 0,5 0 -0,5 -1 0 25 50 75 100 125 CAPACITY (%Qmax) IDEAL TURBINE GAS METER

  5. REALITY • DENSITY EFFECT • REYNOLDS EFFECT • PERTURBATIONS • DYNAMICAL PERFORMANCE • DIRTY GAS

  6. DENSITY AND REYNOLDS EFFECT TURBINES (Non Optimized Turbine Meter) Error of Indication (%) 1 0,5 0 -0,5 air, atmospheric -1 0 25 50 75 100 125 Capacity (%Qmax)

  7. DENSITY AND REYNOLDS EFFECT TURBINES (Non Optimized Turbine Meter) Error of Indication (%) 1 air, atmospheric natural gas, 1bar natural gas, 2bar natural gas, 4bar 0,5 0 -0,5 -1 0 25 50 75 100 125 Capacity (%Qmax) Natural gas 16 bar

  8. DENSITY AND REYNOLDS EFFECT TURBINES (Optimized Turbine Meter) Error of indication (%) 1 Flat @ high Reynolds Numbers 0,5 0 -0,5 air, atmospheric -1 0 25 50 75 100 125 Capacity (%Qmax)

  9. DENSITY AND REYNOLDS EFFECT TURBINES (Optimized Turbine Meter) Error of indication (%) 1 air, atmospheric natural gas, 1bar natural gas, 2bar natural gas, 4bar 0,5 0 Natural gas 16 bar -0,5 -1 0 25 50 75 100 125 Capacity (%Qmax)

  10. DURATION TEST > 1000 HRS @ 8BAR CH4

  11. DURATION TEST > 1000 HRS @ 8BAR CH4

  12. HIGH PRESSURE TESTING @ RUHRGAS-LINTORF RUHRGAS-LINTORF LABORATORY • G400 DL80 Ansi 300 • Tested @: • 11 bar Natural Gas • 24 bar Natural Gas • 40 bar Natural Gas

  13. ERROR AS FUNCTION OF FLOW RATE

  14. ERROR AS FUNCTION OF REYNOLDS NUMBER

  15. PERTURBATIONS (REALITY) ERROR (%) 10 5 0 -5 -10 0 25 50 75 100 CAPACITY (% Qmax)

  16. PERTURBATIONS (REALITY)

  17. PERTURBATIONS (REALITY)

  18. LOW LEVEL PERTURBATIONS CALIBRATION

  19. CALIBRATION CONDITIONS Pigsar, Germany Straight inlet sections with pipe bundles

  20. LOW LEVEL PERTURBATIONS

  21. HIGH LEVEL PERTURBATIONS

  22. HIGH LEVEL PERTURBATIONS

  23. EN12261, ISO, OIML TYPE APPROVAL DEFINED PERTURBATIONS / MAXIMUM ERROR SHIFT < 0.3% LOW LEVEL PERTURBATIONS HIGH LEVEL PERTURBATIONS

  24. TEST RESULTS EN12261 TYPE APPROVAL

  25. INTERMITTENT FLOW • Heating, cooking • Boilers CAPACITY + + TIME ERROR UP TO 30% (+)

  26. INTERMITTENT FLOW CAPACITY + + TIME + + Error =

  27. PULSATING FLOW - Regulator - Compressor capacity + + + + Errors up to 5% (+) Time

  28. HIGHEST LOAD LOWEST LOAD Q Q max min Winter Summer Monday Morning Weekend at Night RANGEABILITY

  29. RANGEABILITY TIME (CUMULATIV) 1000 FREQUENCY DISTRIBUTION CONSUMPTION 2003 FREQUENCY DISTRIBUTION CONSUMPTION 2005 800 600 REGULAR CHECK OF CONSUMER LOAD IS REQUIRED! 400 200 0 0 25 50 75 100 125 150 CAPACITY (%Qmax)

  30. Density (real) Range (reality) = 0,8 . range (Atm. Air) . Density (Atm. Air) RANGEABILITY Pressure (bar) Density (Kg/m3) Rangeability Atm. AIR 1,2 1:20 8 bar NATURAL GAS 7,2 1:30 13,6 1:50 16 bar NATURAL GAS 25 bar NATURAL GAS 20,8 1:65 32,8 1:80 40 bar NATURAL GAS 60 bar NATURAL GAS 48,8 1:100

  31. RANGEABILITY F F F LOW PRESSURE NATURAL GAS

  32. RANGEABILITY F F F HIGH PRESSURE NATURAL GAS

  33. RANGEABILITY HIGH PRESSURE NATURAL GAS LOW PRESSURE NATURAL GAS

  34. Density (real) Range (reality) = 0,8 . range (Atm. Air) . Density (Atm. Air) RANGEABILITY 20 : 1 @ Atmospheric Air 10 : 1 @ Atmospheric Air 20 : 1 @ 8bar Natural Gas

  35. Density (real) Range (reality) = 0,8 . range (Atm. Air) . Density (Atm. Air) RANGEABILITY Pressure (bar) Density (Kg/m3) Rangeability Atm. AIR 1,2 1:20 8 bar NATURAL GAS Max. 1 : 30 7,2 1:30 13,6 1:50 16 bar NATURAL GAS 25 bar NATURAL GAS 20,8 1:65 32,8 1:80 40 bar NATURAL GAS 60 bar NATURAL GAS 48,8 1:100

  36. RANGEABILITY IMRM TWIN > 1 : 160

  37. IMRM TWIN: HIGH PRESSURE RESULTS

  38. LONG TERM STABILITY (DRIFT) 2 ERROR(%) 1 Drift 0 -1 -2 TIME

  39. LONG TERM STABILITY (DRIFT) • CONSTRUCTION (DESIGN): • LUBRICATION AND FLUSHING OF THE BALL BEARINGS • SIZING AND POSITION OF THE MAIN BALL BEARINGS (DEPENDING ON PRESSURE RANGE) • AXIAL LOAD COMPENSATION (ALC) • PROTECTION OF THE MAIN BEARINGS (DEBRIS) • - ALUMINUM TURBINE WHEEL • TRANSPORTATION: • SHOCK LOADS • ALUMINUM METER BODIES (LOW WEIGHT) • SEPARATE TRANSPORT METER BODY / CARTRIDGE • STARTING UP: • PRESSURE SHOCKS • OVERLOAD • OPERATION: • - CONDITION OF THE GAS (DEBRIS AND MOISTURE) • OVERLOAD

  40. QUALITY OF THE GAS / DIRT 1% -1% DIRT IN THE BEARINGS INCREASES MECHANICAL FRICTION

  41. QUALITY OF THE GAS / DIRT 1% -1% DIRT ON THE TURBINE BLADES INCREASES THE SPEED

  42. QUALITY OF THE GAS / DIRT DIRT ACCUMULATION

  43. IMTM-CT TURBINE METER

  44. IMTM-CT TURBINE METER

  45. SEPERATION OF FUNCTIONS (OIML) FUNCTIONS SENSOR INDEX COMMUNICATIONS

  46. IMTM CONCEPT INDEX GEAR BOX (ADJUSTMENT) CARTRIDGE MULTI STAGE FLOW CONDITIONER

  47. IMTM TURBINE GAS METER PULS BOX MULTI FUNCTIONAL INDEX ADJUSTMENT GEARS ADJUSTMENT GEARS GEHAEUSE CARTRIDGE HF PULSER OIL PUMP PR-POINT REMOVABLE RAISE FACE RING THERMOWELL

  48. EXCHANGEABLE CARTRIDGE EXCHANGEABLE CARTRIDGE • FAST AND EFFICIENT REPAIR AND CALIBRATION • FAST AND SECURED TRANSPORTATION • ON SITE EXCHANGEABLE • HIGH PRESSURE CALIBRATED CARTRDIGE ON STOCK

  49. EXCHANGEABLE CARTRIDGE

  50. EXCHANGEABLE CARTRIDGE

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