| Preface |
|
xiii | |
| Acknowledgements |
|
xix | |
|
1 Introduction to Steam Turbines |
|
|
1 | (20) |
|
1.1 Why Do We Use Steam Turbines? |
|
|
1 | (1) |
|
1.2 How Steam Turbines Work |
|
|
2 | (6) |
|
|
|
5 | (1) |
|
1.2.2 Waste Heat Utilization |
|
|
5 | (2) |
|
|
|
7 | (1) |
|
|
|
8 | (5) |
|
1.3.1 Turbine Design Configurations |
|
|
11 | (2) |
|
1.4 Steam and Water Requirements |
|
|
13 | (8) |
|
1.4.1 Steam Conditions for Steam Turbines |
|
|
13 | (1) |
|
1.4.2 Water Conditions for Steam Turbines |
|
|
13 | (1) |
|
1.4.3 Advantages of Steam Turbine Drives |
|
|
14 | (2) |
|
|
|
16 | (1) |
|
1.4.5 Turbine Overspeed Protection |
|
|
17 | (1) |
|
|
|
18 | (1) |
|
|
|
19 | (2) |
|
2 General Purpose Back Pressure Steam Turbine |
|
|
21 | (30) |
|
2.1 Single-Stage Back Pressure Steam Turbine |
|
|
22 | (9) |
|
|
|
23 | (8) |
|
2.2 Mechanical Components in General Purpose Back Pressure Steam Turbines |
|
|
31 | (20) |
|
2.2.1 Radial and Thrust Bearings |
|
|
31 | (2) |
|
2.2.2 Bearing Lubrication |
|
|
33 | (4) |
|
2.2.3 Force Lubrication Systems |
|
|
37 | (1) |
|
|
|
38 | (2) |
|
2.2.5 Bering Housing Seals |
|
|
40 | (1) |
|
|
|
41 | (1) |
|
|
|
42 | (2) |
|
2.2.8 Steam Packing Rings and Seals |
|
|
44 | (4) |
|
|
|
48 | (1) |
|
|
|
49 | (2) |
|
3 Routine Steam Turbine Inspections |
|
|
51 | (8) |
|
|
|
56 | (1) |
|
|
|
56 | (3) |
|
4 Steam Turbine Speed Controls and Safety Systems |
|
|
59 | (26) |
|
|
|
59 | (1) |
|
|
|
60 | (8) |
|
|
|
68 | (9) |
|
4.4 Overspeed Trip System |
|
|
77 | (4) |
|
4.5 Overpressure Protection |
|
|
81 | (2) |
|
|
|
83 | (2) |
|
|
|
83 | (1) |
|
|
|
84 | (1) |
|
5 The Importance of Operating Procedures |
|
|
85 | (16) |
|
5.1 Steam Turbine Start-up Risks |
|
|
87 | (4) |
|
5.2 Starting Centrifugal Pumps and Compressors |
|
|
91 | (2) |
|
5.3 Steam Turbine Train Procedures |
|
|
93 | (2) |
|
|
|
95 | (6) |
|
|
|
97 | (1) |
|
|
|
98 | (3) |
|
|
|
101 | (14) |
|
6.1 Overspeed Trip Pre-test Checks |
|
|
104 | (2) |
|
6.2 Uncoupled Overspeed Trip Test Procedure |
|
|
106 | (4) |
|
6.3 Acceptance Criteria for Overspeed Trip Test |
|
|
110 | (5) |
|
|
|
113 | (1) |
|
|
|
114 | (1) |
|
7 Centrifugal Pump and Centrifugal Compressor Start-ups with a Steam Turbine Driver |
|
|
115 | (22) |
|
7.1 Centrifugal Pump and Steam Turbine Start-up |
|
|
117 | (8) |
|
7.2 Centrifugal Compressor and Steam Turbine Start-up |
|
|
125 | (12) |
|
|
|
134 | (1) |
|
|
|
134 | (3) |
|
8 Centrifugal Pump and Centrifugal Compressor Shutdowns with a Steam Turbine Driver |
|
|
137 | (10) |
|
8.1 Centrifugal Pump Steam Turbine Shutdown |
|
|
139 | (2) |
|
8.2 Centrifugal Compressor Steam Turbine Shutdown |
|
|
141 | (6) |
|
|
|
144 | (1) |
|
|
|
145 | (2) |
|
9 Installation, Commissioning and First Solo Run |
|
|
147 | (42) |
|
|
|
147 | (1) |
|
9.2 Equipment Installation |
|
|
148 | (12) |
|
|
|
148 | (2) |
|
|
|
150 | (7) |
|
|
|
157 | (3) |
|
|
|
160 | (14) |
|
|
|
162 | (3) |
|
|
|
165 | (2) |
|
|
|
167 | (1) |
|
9.3.4 Oil Sump Lubrication |
|
|
167 | (2) |
|
9.3.5 Flushing Pressure Lubricated System |
|
|
169 | (3) |
|
9.3.6 Hydraulic Governors |
|
|
172 | (2) |
|
9.4 Turbine First Solo Run on Site |
|
|
174 | (15) |
|
9.4.1 First Solo Run Pre-checks |
|
|
175 | (4) |
|
9.4.2 Steam Turbine First Solo Run Procedure |
|
|
179 | (7) |
|
|
|
186 | (1) |
|
|
|
187 | (2) |
|
10 Reinstating Steam Turbine after Maintenance |
|
|
189 | (16) |
|
10.1 Turbine Reinstatment after Maintenance |
|
|
189 | (1) |
|
10.2 Reinstatement after Maintenance Check List |
|
|
190 | (4) |
|
10.3 Steam Turbine Reinstatement after Maintenance Procedure |
|
|
194 | (11) |
|
|
|
201 | (1) |
|
|
|
202 | (3) |
|
11 Steam Turbine Reliability |
|
|
205 | (12) |
|
11.1 Repairs versus Overhauls |
|
|
205 | (1) |
|
11.2 Expected Lifetimes of Steam Turbines and Their Components |
|
|
206 | (1) |
|
11.3 Common Failure Modes |
|
|
207 | (4) |
|
11.4 Improvement Reliability by Design |
|
|
211 | (6) |
|
|
|
214 | (1) |
|
|
|
215 | (2) |
|
12 Introduction to Field Troubleshooting |
|
|
217 | (18) |
|
|
|
219 | (1) |
|
12.2 Common Potential Causes |
|
|
219 | (3) |
|
12.3 Troubleshooting Example #1 |
|
|
222 | (1) |
|
12.4 Troubleshooting Example #2 |
|
|
223 | (2) |
|
12.5 Steam Turbine Troubleshooting Table |
|
|
225 | (4) |
|
12.6 Other Troubleshooting Approaches |
|
|
229 | (6) |
|
|
|
231 | (1) |
|
|
|
232 | (3) |
|
13 Steam Turbine Monitoring Advice |
|
|
235 | (22) |
|
13.1 What Is the Steam Turbine Speed Telling You? |
|
|
236 | (2) |
|
13.1.1 Is the Steam Turbine Running at the Correct Speed? |
|
|
236 | (1) |
|
13.1.2 Is the Speed Steady? |
|
|
237 | (1) |
|
13.1.3 Is a Speed Swing Acceptable? |
|
|
237 | (1) |
|
13.2 Assessing Steam Turbine Vibrations |
|
|
238 | (5) |
|
|
|
238 | (1) |
|
13.2.2 What are Some Causes of Vibration in Steam Turbines? |
|
|
239 | (4) |
|
13.3 Steam Turbine Temperature Assessments |
|
|
243 | (1) |
|
13.3.1 Bearing Temperatures |
|
|
243 | (1) |
|
|
|
243 | (1) |
|
13.4 Common Governor Control Problems |
|
|
244 | (8) |
|
13.4.1 Steam Turbine Loss of Power |
|
|
245 | (1) |
|
13.4.2 Steam Turbine Sealing |
|
|
245 | (2) |
|
13.4.3 Oil Analysis as it Applies to Steam Turbines |
|
|
247 | (1) |
|
13.4.4 Formation of Sludge and Varnish |
|
|
248 | (1) |
|
13.4.5 Steam Piping and Supports |
|
|
249 | (1) |
|
13.4.6 Steam Turbine Supports |
|
|
250 | (1) |
|
13.4.7 Overspeed Trip Systems |
|
|
251 | (1) |
|
|
|
252 | (1) |
|
13.6 Good Rules of Thumb for Steam Turbines |
|
|
253 | (4) |
|
|
|
255 | (1) |
|
|
|
256 | (1) |
|
14 Beyond Start-ups, Shutdowns, and Inspections |
|
|
257 | (4) |
| Appendix A An Introduction to Steam Turbine Selection |
|
261 | (28) |
| Appendix B Glossary of Steam Turbine Terms |
|
289 | (10) |
| Appendix C Predictive and Preventative Maintenance Activities |
|
299 | (2) |
| Appendix D Properties of Saturated Steam |
|
301 | (4) |
| Index |
|
305 | |