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Advanced Compressor Water
Wash Technologies
??? ??? ??? ??
Presented By:
Robert Burke
Applications Engineering Manager
Monday, May 18th
2009
1
2
General Gas Turbine Energy Balance
( ???? ???? ??? ?? )
?? ? 60% ? ??? ??
Compressor Efficiency- An Operational Imperative
??? ?? ¨C ???? ????
Typical Compressor Contaminants
???? ??? ????
3
? Stage 2 ???
¨C ??? ??? ? ??? ?? ??
? ?? ??
? ?? , ???
? ?? ?? ?? ???
? ????? ?? ?? ??
? Stage 17 ???
¨C ??? ???
¨C ?? ??? ?? ???
¨C ?? cooling water ? ??? ???
? ?? / ??? ?? ??
¨C ????? ??? ?
¨C ????? ??
¨C ??? ?? ??
¨C ????? ??? ?? ??
¨C ??? ???? ??
¨C ??? ?? ??
¨C SPFC ?? , ?? (Heat Rate) ??
Typical Installed Base System Performance Practices
???? ?? ???? ????
4
32
33
34
35
36
37
38
15.2. 2.3. 17.3. 1.4. 16.4. 1.5. 16.5. 31.5. 15.6. 30.6. 15.7.
GasTurbinecorrectedoutput(MW)
ONLINE ?? ????
GT ?? ???
Off-line wash
???? GT ????
?45 ? ?? OFF-LINE ??
?1 ? ???? /OFF-LINE
??? 8 ?
??? ??
??? ?? ??
??? ??
??? ??
OEM ???? ??
????? ? ??
??? ??
??? ?? ? ?? , 1000 ??
???? ?? ??
??? ?? :
?MAJOR OVERHAUL ?
??
?WALLNUT SHELL ¨C
COOLING HOLE ? ??
Improved Design/ Application Process
??? ?? / ??????
5
? ??? ?? ??? ?? ?? ?? :
???? ?? ( ?? ??? ) ? ??? ???? ??
? ??? ?? ??
¨C 60 TO 80 BAR, 80-250 microns D43 ??? ??
¨C ??? ??? ?? ?? ?? ?? 60 deg. C
? ???? ???? ?? ?? ????
¨C CFD MODEL ??
? 0.33 ? ?? , ??? ??? ?? ?? ????? ??
¨C ???? 3-5 ? , ???? ?? 5-250 ??
¨C Plant Control ? PLC ? ??? ??? ???? ??
? ??? ??? ?? ??? ? ??
? ?? ??? ??? ?? ??? ??
? ??? ??? ???? ??? ??? ????? ?? ?? ?
?
? ???? ??? ??? ????? ??
Droplet Characterization
??? ??? ? ???? ?? ?? ??? ???? ?? . -- ??? ?? .
6
LASER ? ??? ??? ?? ? ???
? ?? ?? ??
(PDA-PHASE DOPPLER ??? )
SIZE COUNTS VOLUME
4 2 0
13 572 4
21 13290 387
30 19887 1587
38 17035 2909
47 13372 4160
55 10189 5225
64 7466 5875
73 5411 6219
81 3744 6001
90 2623 5671
98 1836 5212
107 1271 4642
115 887 4078
124 563 3206
132 404 2809
141 281 2361
149 209 2093
158 135 1599
166 114 1572
175 75 1201
183 46 852
192 52 1116
200 67 1619
209 55 1521
217 57 1778
226 53 1838
234 34 1321
243 34 1454
252 34 1651
260 30 1607
269 39 2249
277 19 1236
286 15 1065
294 14 1037
303 12 994
311 11 1043
320 1 81
328 8 830
337 2 236
345 9 1069
354 0 0
362 7 999
371 8 1261
379 7 1215
388 4 721
396 5 924
405 0 0
414 0 0
422 0 0
431 3 690
439 0 0
448 0 0
456 0 0
465 0 0
473 0 0
482 0 0
490 2 873
499 2 613
507 3 1291
100000 100000
INSTRUMENT: Dantec PDA D[10] = 49.6
DATE : 2005-04-25 (recorded data corrected 03/16/06) D[20] = 57.7
NOZZLE : P/N 20857 S/N 53048 D[30] = 69.2
BEAM AIM : centre D[43] = 159.4
DISTANCE : 30 cm D[32] = 99.7
PRESSURE: 64.3 bar Dv10 = 51.2
FLOW RATE : 14.4 l/min Dv50 = 110.9
WAT. TEMP: 15 C Dv90 = 324.0
0 microns
FLOW THROUGH
OVERSIZED
500 microns
EVAPORATION &
PREFERRED
CONFIDENTIAL INFORMATION
GAS TURBINE EFFICIENCY AB
?? ??? ???
? ?? ??
? ?? ??
Wind Tunnel Testing
?? ??
7
? ??
¨C Base Load ?? ?? ??
¨C ??? ??
? ??? ?? ??
? ??? ??
¨C CFD ??? ??
? SPECIFICATION
¨C Base Load ??
¨C 15KW ??? 5KG/S ????
¨C ?? ?? 0.5
¨C LASER ? ?? ????? ??
¨C ?? ??? ???? ??? ??
? ??
¨C CFD ??? ??? ???? ??
¨C ??? ?? ??
? ??? ???
? ??? ??
? ??? ??
? ? :
???? ?? ?? ??
????? ?? ??
?????? ??
Specifications:
?FLOW RATE ? ??
???? ??
?Laser SPECTROMETER ? ??? ??? ??
??? ??? ??? ??? ??
? ? :
??? ???? ?? ?? ?? ??? ??? ??
???? ??? ???? ??? ???? ??
CFD Tool & Nozzle Placement Definition
8
Water Mass at 60% Compressor Inlet
GT ?? ???? ??? GTE ?? ?
?? CFD CODE ? ?? , ?????
K-EPSILON MODEL ? SIMULATE ?
????? ?? ?? ???? ¨C ?? ?
? , ? , ?? , ??? ?? --MATLAB
? ???? ???? ??????? ?
??? ??? ? ??? ?? .
Erosion Study- Typical Drop Strike Pressure Side-
Tangential Velocity ???? ??? ???? ??? ??
9
Erosion Model
10
??? ??? ????? ??? ??? ??? .
?????? ?? ??? ????? ?? ?? ???? ??? .
-VOL: METAL ???
-Flux: ?? ??? ?? ? (M3/M2/SEC)
-NER: METAL ? ?? ?? ??? (=4 FOR 400 SSL)
-V: ?? ?? ?? (M/SEC)
-D: ??? ?? (mm)
-T: ? ?? ?? (SEC)
?????? ??? ???
120000 ?? ??? 5mm ?? ??
td
V
NER
Flux
Vol 67.
8.4
25002 ?
?
?
?
?
?
=
Example Calculation:
? V=350 m/sec, D=180 MICRONS, NER: 4 (410 S ? )
? T=3min/day * 365/YR * 30YR*60s/min=3.942*106 sec
? WATER FLUX: .549 * 10-3m/sec
? FOR THE BEST STELLITE, NER=50, VOLUME ERODE=1.6mm
5 mm of wear in
120000 operating
hours
Reverse Flow Bellmouth Installation ( ??? )
11
Start Animation
? Cone Mounted Design
¨C Wash ports usually built in
¨C Good performance for offline wash
¨C Poor performance for online wash
¨C Water builds on hub
¨C (STRUT ? ???? ??? HUB ? ?? ?? )
GTE Bellmouth Installation
12
Start Animation
? Bellmouth Mounted Line of Site Design
¨C GTE preferred design
¨C Nozzle aimed with air stream
Acceptable online performance
? Approximately 30-50% R0
? ??? ??? ONLINE ??? R0 ? 30-50% ? ?? ??
?
¨C Good offline performance
? Approximately 20-25% R0
? ??? OFF LINE ????? R0 ? 20-25% ???
Design Evaluation Coverage- 7EA
13
Simplicity & Functonality:
? 7 Nozzles; each located midspan between
each strut ( ? ?? ??? ???? )
? Nozzle ? Bellmouth ? ?? ???? .
? Optimized Nozzle Placement ( ??? ???? )
? Single Position for both wash cycles
- Offline WW
- Online WW
? Obsolete OEM Nozzles & Positions( ?????? )
20-60%
span
Design Objectives: Droplet Size
14
? Offline WW
¨C 70% by volume @ 20%
span
? Online WW
¨C 55% by volume @ 60%
span
? Air Flow
¨C 289 kg/sec
? Wash Fluid
¨C 95-110 l/min
? ??? ?? , ?? ?? , ??? ?? ONLINE
?? OFF LINE ? ?? ?? .
? ?? ???? ?? ??? - OFF LINE ???
800 RPM, ON LINE ??? 3600RPM
? ???? AIR ??? ??? -- ??? ???
? ???? ??? ?? OFF LINE ?? ??
? 20% ??? , ONLINE ??? ?? ???
60% ?? ?? .
? OFF LINE ? 20% ??? 70% ?? ??? ,
ON LINE ??? 60% ??? 55% ? ?? ?
? . GE 7EA ? ??? .
Offline WW Online WW
Typical Standard Nozzle Systems vs. GTE System
15
? Standard System Nozzles ? GTE System Nozzles
Offline CWW Performance;
Stage 2 Before & After GTE CWW
16
Heavy coverage of soft deposits removed by Offline CWW
Offline CWW Performance;
Stage 17 Compressor Before & After CWW
17
Heavy Crystalline deposits removed by Offline CWW
GTE 400i-42 2xMS6001B CC
32
33
34
35
36
37
38
15.2. 2.3. 17.3. 1.4. 16.4. 1.5. 16.5. 31.5. 15.6. 30.6. 15.7. 30.7. 14.8. 29.8. 13.9. 28.9. 13.10
.
28.10
.
12.11
.
GasTurbinecorrectedoutput(MW)
Installation of new GTE-
400 system
GT output deterioration
without online washing
system
Offline washes
Outage + Offline wash Offline wash
? Results
¨C +2.1% versus
initial offline
with detergent
¨C 45 to 180 day
offline cycle
+3%
availability
¨C 52,000 hrs of
service TD
¨C Online water
only wash
GTE 600i-110 6xMS9001E SC
19
? Wash Benefits
¨C ~8-12% Power Recovery
¨C ~4-6% Heat Rate
? TNB Fleet Standard
¨C 2 more systems on 4 units
GTE 1000i-110 3xMS7001E CC
20
? Single System Serving 3 Engines
? DCS Controlled / Scheduled
? Online Water Only Wash
? Improved Offline Cycle
From 30 to 75 days
+2% Availability
? Additional Benefits:
>3% Power
>1.0 % Heat Rate
Benefits Calculator- Power Gen
21
Conditions
Performance Recovery 3 % Recovery
Availability gain 48 Hr/Yr
Heat Rate 10480 Btu/kw-hr
Heat Rate Recovery 0.34 % Recovery
Power price $50 $/MW-hr
Avg Gas Price $6.00 Therm
MW Rating 84 MW
Benefits Calculator $K/Yr MWHr/Yr
Performance ($K/Yr) 1,098 21954
Availability ($K/Yr) 202 4032
Fuel Savings ($K/Yr) 137
Total $1,436 25986
Click on Blue Fields, and enter specific values, to use benefits calculator
Water Wash Delivery- GTE1000i-95
22
Specifications:
? Stainless Steel Tank
? Carbon Steel Skid - Painted
? PLC Control
? Fully Automated Online CWW
? Positive Displacement Delivery Pump
? Adjustable Discharge Pressure
? Automated Heater Control & Protection
? Automated Level Control & Protection
? Discharge Fluid Filtration
?Automated Detergent Injection
?Adjustable Detergent Flow Control
?User Interface Panel (HMI), touch-screen
Options:
? Stainless Steel Skid
? Electric Detergent Drum Pump
? Total Dissolved Solids feedback & control
? Remote Operation (Optional)
? Data Logging (Optional)
Developing Integrated and Service Solutions
23
Range
(Mw)
0
to
10
10
to
14
14
to
35
20
to
40
35
to
55
55
to
120
80
to
160
160
to
250
WW
Product
30i 80i 160i 200i 400i 600i 1000i 1400i
Specifications:
? Stainless Steel Tank
? Stainless or Carbon Steel Skid
? PLC Control
? Fully Automated ON-Line CWW
? Positive Displacement Delivery Pump
? Adjustable Discharge Pressure
? Automated Heater Control & Protection
? Automated Level Control & Protection
? Discharge Fluid Filtration
Options
? Adjustable Detergent Flow Control
? User Interface Panel (HMI), touch-screen
? Electric Detergent Drum Pump
? Total Dissolved Solids feedback & control
? Automated Detergent Injection (Optional)
? Remote Operation (Optional)
? Data Logging (Optional)
Water Wash
GTE Fleet: > 800 Units; 20M Operating Hours
24
OEM Population
6% 2%
72%
20%
RR
Solar
Siemens
GE
Wash Skids
22%
76%
2%
Oil and Gas
Power Gen
Marine
Why GTE? Technology & Value Solutions
25
Boeing 747
Fuel Savings $ 164 K
Wash Cost: ~ $ 36 K
Payback: ~ 3 Months
Additional Benefits
CO2 Reduced: 800 Tonnes
EGT Recovery:: ~ 9 o
C
Time-on-Wing: + 4000 Hr
Foundation from Aviation/Jet Engines
In excess of 15000 Engine Washes
? Major Air Carriers
? Foreign and Domestic Military
Industrial Gas Turbine Water Wash
? 800+ Unit Installed Base
? 20 MM+ Operating Hours
Benefits
Power Recovery 2-3 %
Heat Rate Improvement 0.3 - 1 %
Availability Improvement 2 ¨C 3 %
Payback ~ 3 - 6
Months
Why GTE? Technology and Value Solutions
26
- The GTE technology team is unique in experience, capability
and breadth
¨C The top 10 technology leaders have over 250 years experience
in the energy industry and bring a wealth of systems physics
knowledge, familiarity with advanced modeling tools, tough
problem solving, practical, and hands-on field experience
¨C GTE¡¯s capabilities complement OEMs and are recognized as
¡®expert¡¯ in key product lines
¨C GTE¡¯s aero-modeling, controls and fluid systems integrated
with manufacturing, supply chain, and life cycle cost elements --
positions us to develop advanced, cost effective solutions more
rapidly
¨C ¡®Scientists¡¯ with proven track records and practical tech
application offers rapid design at low cost
Proven Track Record with Blue Chip Clients
27
Track Record
? > 800 Turbines
? > 20MM Operating Hours
Long Term OEM Agreements
? Siemens
? Caterpillar / Solar
? Rolls-Royce
? Large Global OEMs
Validated Results:
Patented Water Wash Technology
28
Patent 5,868,860 Key Claims
¨C Supply Pressure 50 to 80 bars
¨C Mean Droplet range 120 to 250 microns
Key Design Features
¨C Nozzle Selection to:
? Produce Mean Droplet 120 to 250 microns
? Avoid Droplets > 500 microns
¨C Nozzle Placement Optimizes Wash Coverage
? One position for both Online and Offline
Wash
¨C Wash Process Minimizes Water Volume
? No Detergent, No Rinse for Online
¨C Wash Process Minimizes Detergent Need for
Offline
? Reduction of Detergent Need by 80% for
Offline
Patented Methods & Wash Nozzle Placement
29
Patent 7,428,906 Key Claims
? System for Wash during Operation
? Method with mean drops less then 150
microns
? Slip ratio of minimum 0.8 at compressor inlet
? One or more Nozzles in acceleration duct
Key Design Features
? Nozzle Selection & Discharge Pressure to:
? Produce Mean Droplet less than 150
microns
? Provide velocity at Nozzle Tip 40%
of final at Compressor Inlet
? Nozzle Placement Optimizes Wash
Coverage
? Injection relatively parrallel to air
stream
? Online Wash Process Claims
? No Online Wetting of Stationary
Components
? Spray velocity 100-200 m/s
30
Our Clients have the BEST Aviation & Industrial Turbines in the world.
We make them PERFORM BETTER.
Cleaner.
More Output.
More Reliable.
More Available.
More EFFICIENT.
Ad

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01.7 ea water_wash_presentation_final[????]

  • 1. Advanced Compressor Water Wash Technologies ??? ??? ??? ?? Presented By: Robert Burke Applications Engineering Manager Monday, May 18th 2009 1
  • 2. 2 General Gas Turbine Energy Balance ( ???? ???? ??? ?? ) ?? ? 60% ? ??? ?? Compressor Efficiency- An Operational Imperative ??? ?? ¨C ???? ????
  • 3. Typical Compressor Contaminants ???? ??? ???? 3 ? Stage 2 ??? ¨C ??? ??? ? ??? ?? ?? ? ?? ?? ? ?? , ??? ? ?? ?? ?? ??? ? ????? ?? ?? ?? ? Stage 17 ??? ¨C ??? ??? ¨C ?? ??? ?? ??? ¨C ?? cooling water ? ??? ??? ? ?? / ??? ?? ?? ¨C ????? ??? ? ¨C ????? ?? ¨C ??? ?? ?? ¨C ????? ??? ?? ?? ¨C ??? ???? ?? ¨C ??? ?? ?? ¨C SPFC ?? , ?? (Heat Rate) ??
  • 4. Typical Installed Base System Performance Practices ???? ?? ???? ???? 4 32 33 34 35 36 37 38 15.2. 2.3. 17.3. 1.4. 16.4. 1.5. 16.5. 31.5. 15.6. 30.6. 15.7. GasTurbinecorrectedoutput(MW) ONLINE ?? ???? GT ?? ??? Off-line wash ???? GT ???? ?45 ? ?? OFF-LINE ?? ?1 ? ???? /OFF-LINE ??? 8 ? ??? ?? ??? ?? ?? ??? ?? ??? ?? OEM ???? ?? ????? ? ?? ??? ?? ??? ?? ? ?? , 1000 ?? ???? ?? ?? ??? ?? : ?MAJOR OVERHAUL ? ?? ?WALLNUT SHELL ¨C COOLING HOLE ? ??
  • 5. Improved Design/ Application Process ??? ?? / ?????? 5 ? ??? ?? ??? ?? ?? ?? : ???? ?? ( ?? ??? ) ? ??? ???? ?? ? ??? ?? ?? ¨C 60 TO 80 BAR, 80-250 microns D43 ??? ?? ¨C ??? ??? ?? ?? ?? ?? 60 deg. C ? ???? ???? ?? ?? ???? ¨C CFD MODEL ?? ? 0.33 ? ?? , ??? ??? ?? ?? ????? ?? ¨C ???? 3-5 ? , ???? ?? 5-250 ?? ¨C Plant Control ? PLC ? ??? ??? ???? ?? ? ??? ??? ?? ??? ? ?? ? ?? ??? ??? ?? ??? ?? ? ??? ??? ???? ??? ??? ????? ?? ?? ? ? ? ???? ??? ??? ????? ??
  • 6. Droplet Characterization ??? ??? ? ???? ?? ?? ??? ???? ?? . -- ??? ?? . 6 LASER ? ??? ??? ?? ? ??? ? ?? ?? ?? (PDA-PHASE DOPPLER ??? ) SIZE COUNTS VOLUME 4 2 0 13 572 4 21 13290 387 30 19887 1587 38 17035 2909 47 13372 4160 55 10189 5225 64 7466 5875 73 5411 6219 81 3744 6001 90 2623 5671 98 1836 5212 107 1271 4642 115 887 4078 124 563 3206 132 404 2809 141 281 2361 149 209 2093 158 135 1599 166 114 1572 175 75 1201 183 46 852 192 52 1116 200 67 1619 209 55 1521 217 57 1778 226 53 1838 234 34 1321 243 34 1454 252 34 1651 260 30 1607 269 39 2249 277 19 1236 286 15 1065 294 14 1037 303 12 994 311 11 1043 320 1 81 328 8 830 337 2 236 345 9 1069 354 0 0 362 7 999 371 8 1261 379 7 1215 388 4 721 396 5 924 405 0 0 414 0 0 422 0 0 431 3 690 439 0 0 448 0 0 456 0 0 465 0 0 473 0 0 482 0 0 490 2 873 499 2 613 507 3 1291 100000 100000 INSTRUMENT: Dantec PDA D[10] = 49.6 DATE : 2005-04-25 (recorded data corrected 03/16/06) D[20] = 57.7 NOZZLE : P/N 20857 S/N 53048 D[30] = 69.2 BEAM AIM : centre D[43] = 159.4 DISTANCE : 30 cm D[32] = 99.7 PRESSURE: 64.3 bar Dv10 = 51.2 FLOW RATE : 14.4 l/min Dv50 = 110.9 WAT. TEMP: 15 C Dv90 = 324.0 0 microns FLOW THROUGH OVERSIZED 500 microns EVAPORATION & PREFERRED CONFIDENTIAL INFORMATION GAS TURBINE EFFICIENCY AB ?? ??? ??? ? ?? ?? ? ?? ??
  • 7. Wind Tunnel Testing ?? ?? 7 ? ?? ¨C Base Load ?? ?? ?? ¨C ??? ?? ? ??? ?? ?? ? ??? ?? ¨C CFD ??? ?? ? SPECIFICATION ¨C Base Load ?? ¨C 15KW ??? 5KG/S ???? ¨C ?? ?? 0.5 ¨C LASER ? ?? ????? ?? ¨C ?? ??? ???? ??? ?? ? ?? ¨C CFD ??? ??? ???? ?? ¨C ??? ?? ?? ? ??? ??? ? ??? ?? ? ??? ?? ? ? : ???? ?? ?? ?? ????? ?? ?? ?????? ?? Specifications: ?FLOW RATE ? ?? ???? ?? ?Laser SPECTROMETER ? ??? ??? ?? ??? ??? ??? ??? ?? ? ? : ??? ???? ?? ?? ?? ??? ??? ?? ???? ??? ???? ??? ???? ??
  • 8. CFD Tool & Nozzle Placement Definition 8 Water Mass at 60% Compressor Inlet GT ?? ???? ??? GTE ?? ? ?? CFD CODE ? ?? , ????? K-EPSILON MODEL ? SIMULATE ? ????? ?? ?? ???? ¨C ?? ? ? , ? , ?? , ??? ?? --MATLAB ? ???? ???? ??????? ? ??? ??? ? ??? ?? .
  • 9. Erosion Study- Typical Drop Strike Pressure Side- Tangential Velocity ???? ??? ???? ??? ?? 9
  • 10. Erosion Model 10 ??? ??? ????? ??? ??? ??? . ?????? ?? ??? ????? ?? ?? ???? ??? . -VOL: METAL ??? -Flux: ?? ??? ?? ? (M3/M2/SEC) -NER: METAL ? ?? ?? ??? (=4 FOR 400 SSL) -V: ?? ?? ?? (M/SEC) -D: ??? ?? (mm) -T: ? ?? ?? (SEC) ?????? ??? ??? 120000 ?? ??? 5mm ?? ?? td V NER Flux Vol 67. 8.4 25002 ? ? ? ? ? ? = Example Calculation: ? V=350 m/sec, D=180 MICRONS, NER: 4 (410 S ? ) ? T=3min/day * 365/YR * 30YR*60s/min=3.942*106 sec ? WATER FLUX: .549 * 10-3m/sec ? FOR THE BEST STELLITE, NER=50, VOLUME ERODE=1.6mm 5 mm of wear in 120000 operating hours
  • 11. Reverse Flow Bellmouth Installation ( ??? ) 11 Start Animation ? Cone Mounted Design ¨C Wash ports usually built in ¨C Good performance for offline wash ¨C Poor performance for online wash ¨C Water builds on hub ¨C (STRUT ? ???? ??? HUB ? ?? ?? )
  • 12. GTE Bellmouth Installation 12 Start Animation ? Bellmouth Mounted Line of Site Design ¨C GTE preferred design ¨C Nozzle aimed with air stream Acceptable online performance ? Approximately 30-50% R0 ? ??? ??? ONLINE ??? R0 ? 30-50% ? ?? ?? ? ¨C Good offline performance ? Approximately 20-25% R0 ? ??? OFF LINE ????? R0 ? 20-25% ???
  • 13. Design Evaluation Coverage- 7EA 13 Simplicity & Functonality: ? 7 Nozzles; each located midspan between each strut ( ? ?? ??? ???? ) ? Nozzle ? Bellmouth ? ?? ???? . ? Optimized Nozzle Placement ( ??? ???? ) ? Single Position for both wash cycles - Offline WW - Online WW ? Obsolete OEM Nozzles & Positions( ?????? )
  • 14. 20-60% span Design Objectives: Droplet Size 14 ? Offline WW ¨C 70% by volume @ 20% span ? Online WW ¨C 55% by volume @ 60% span ? Air Flow ¨C 289 kg/sec ? Wash Fluid ¨C 95-110 l/min ? ??? ?? , ?? ?? , ??? ?? ONLINE ?? OFF LINE ? ?? ?? . ? ?? ???? ?? ??? - OFF LINE ??? 800 RPM, ON LINE ??? 3600RPM ? ???? AIR ??? ??? -- ??? ??? ? ???? ??? ?? OFF LINE ?? ?? ? 20% ??? , ONLINE ??? ?? ??? 60% ?? ?? . ? OFF LINE ? 20% ??? 70% ?? ??? , ON LINE ??? 60% ??? 55% ? ?? ? ? . GE 7EA ? ??? . Offline WW Online WW
  • 15. Typical Standard Nozzle Systems vs. GTE System 15 ? Standard System Nozzles ? GTE System Nozzles
  • 16. Offline CWW Performance; Stage 2 Before & After GTE CWW 16 Heavy coverage of soft deposits removed by Offline CWW
  • 17. Offline CWW Performance; Stage 17 Compressor Before & After CWW 17 Heavy Crystalline deposits removed by Offline CWW
  • 18. GTE 400i-42 2xMS6001B CC 32 33 34 35 36 37 38 15.2. 2.3. 17.3. 1.4. 16.4. 1.5. 16.5. 31.5. 15.6. 30.6. 15.7. 30.7. 14.8. 29.8. 13.9. 28.9. 13.10 . 28.10 . 12.11 . GasTurbinecorrectedoutput(MW) Installation of new GTE- 400 system GT output deterioration without online washing system Offline washes Outage + Offline wash Offline wash ? Results ¨C +2.1% versus initial offline with detergent ¨C 45 to 180 day offline cycle +3% availability ¨C 52,000 hrs of service TD ¨C Online water only wash
  • 19. GTE 600i-110 6xMS9001E SC 19 ? Wash Benefits ¨C ~8-12% Power Recovery ¨C ~4-6% Heat Rate ? TNB Fleet Standard ¨C 2 more systems on 4 units
  • 20. GTE 1000i-110 3xMS7001E CC 20 ? Single System Serving 3 Engines ? DCS Controlled / Scheduled ? Online Water Only Wash ? Improved Offline Cycle From 30 to 75 days +2% Availability ? Additional Benefits: >3% Power >1.0 % Heat Rate
  • 21. Benefits Calculator- Power Gen 21 Conditions Performance Recovery 3 % Recovery Availability gain 48 Hr/Yr Heat Rate 10480 Btu/kw-hr Heat Rate Recovery 0.34 % Recovery Power price $50 $/MW-hr Avg Gas Price $6.00 Therm MW Rating 84 MW Benefits Calculator $K/Yr MWHr/Yr Performance ($K/Yr) 1,098 21954 Availability ($K/Yr) 202 4032 Fuel Savings ($K/Yr) 137 Total $1,436 25986 Click on Blue Fields, and enter specific values, to use benefits calculator
  • 22. Water Wash Delivery- GTE1000i-95 22 Specifications: ? Stainless Steel Tank ? Carbon Steel Skid - Painted ? PLC Control ? Fully Automated Online CWW ? Positive Displacement Delivery Pump ? Adjustable Discharge Pressure ? Automated Heater Control & Protection ? Automated Level Control & Protection ? Discharge Fluid Filtration ?Automated Detergent Injection ?Adjustable Detergent Flow Control ?User Interface Panel (HMI), touch-screen Options: ? Stainless Steel Skid ? Electric Detergent Drum Pump ? Total Dissolved Solids feedback & control ? Remote Operation (Optional) ? Data Logging (Optional)
  • 23. Developing Integrated and Service Solutions 23 Range (Mw) 0 to 10 10 to 14 14 to 35 20 to 40 35 to 55 55 to 120 80 to 160 160 to 250 WW Product 30i 80i 160i 200i 400i 600i 1000i 1400i Specifications: ? Stainless Steel Tank ? Stainless or Carbon Steel Skid ? PLC Control ? Fully Automated ON-Line CWW ? Positive Displacement Delivery Pump ? Adjustable Discharge Pressure ? Automated Heater Control & Protection ? Automated Level Control & Protection ? Discharge Fluid Filtration Options ? Adjustable Detergent Flow Control ? User Interface Panel (HMI), touch-screen ? Electric Detergent Drum Pump ? Total Dissolved Solids feedback & control ? Automated Detergent Injection (Optional) ? Remote Operation (Optional) ? Data Logging (Optional) Water Wash
  • 24. GTE Fleet: > 800 Units; 20M Operating Hours 24 OEM Population 6% 2% 72% 20% RR Solar Siemens GE Wash Skids 22% 76% 2% Oil and Gas Power Gen Marine
  • 25. Why GTE? Technology & Value Solutions 25 Boeing 747 Fuel Savings $ 164 K Wash Cost: ~ $ 36 K Payback: ~ 3 Months Additional Benefits CO2 Reduced: 800 Tonnes EGT Recovery:: ~ 9 o C Time-on-Wing: + 4000 Hr Foundation from Aviation/Jet Engines In excess of 15000 Engine Washes ? Major Air Carriers ? Foreign and Domestic Military Industrial Gas Turbine Water Wash ? 800+ Unit Installed Base ? 20 MM+ Operating Hours Benefits Power Recovery 2-3 % Heat Rate Improvement 0.3 - 1 % Availability Improvement 2 ¨C 3 % Payback ~ 3 - 6 Months
  • 26. Why GTE? Technology and Value Solutions 26 - The GTE technology team is unique in experience, capability and breadth ¨C The top 10 technology leaders have over 250 years experience in the energy industry and bring a wealth of systems physics knowledge, familiarity with advanced modeling tools, tough problem solving, practical, and hands-on field experience ¨C GTE¡¯s capabilities complement OEMs and are recognized as ¡®expert¡¯ in key product lines ¨C GTE¡¯s aero-modeling, controls and fluid systems integrated with manufacturing, supply chain, and life cycle cost elements -- positions us to develop advanced, cost effective solutions more rapidly ¨C ¡®Scientists¡¯ with proven track records and practical tech application offers rapid design at low cost
  • 27. Proven Track Record with Blue Chip Clients 27 Track Record ? > 800 Turbines ? > 20MM Operating Hours Long Term OEM Agreements ? Siemens ? Caterpillar / Solar ? Rolls-Royce ? Large Global OEMs Validated Results:
  • 28. Patented Water Wash Technology 28 Patent 5,868,860 Key Claims ¨C Supply Pressure 50 to 80 bars ¨C Mean Droplet range 120 to 250 microns Key Design Features ¨C Nozzle Selection to: ? Produce Mean Droplet 120 to 250 microns ? Avoid Droplets > 500 microns ¨C Nozzle Placement Optimizes Wash Coverage ? One position for both Online and Offline Wash ¨C Wash Process Minimizes Water Volume ? No Detergent, No Rinse for Online ¨C Wash Process Minimizes Detergent Need for Offline ? Reduction of Detergent Need by 80% for Offline
  • 29. Patented Methods & Wash Nozzle Placement 29 Patent 7,428,906 Key Claims ? System for Wash during Operation ? Method with mean drops less then 150 microns ? Slip ratio of minimum 0.8 at compressor inlet ? One or more Nozzles in acceleration duct Key Design Features ? Nozzle Selection & Discharge Pressure to: ? Produce Mean Droplet less than 150 microns ? Provide velocity at Nozzle Tip 40% of final at Compressor Inlet ? Nozzle Placement Optimizes Wash Coverage ? Injection relatively parrallel to air stream ? Online Wash Process Claims ? No Online Wetting of Stationary Components ? Spray velocity 100-200 m/s
  • 30. 30 Our Clients have the BEST Aviation & Industrial Turbines in the world. We make them PERFORM BETTER. Cleaner. More Output. More Reliable. More Available. More EFFICIENT.