o_191ln0gpf9pgfdj4601afj5gva.pdf

Recommendations

Info

140 Gas Turbine Handbook: Principles and Practices Figure 9-5. Power augmentation with steam injection. 4NO + 4NH 3 + O 2 ⇒ 4N 2 + 6H 2 O (9-1) 6NO + 4NH 3 ⇒ 5N 2 + 6H 2 O (9-2) 2NO 2 + 4NH 3 + O 2 ⇒ 3N2 + 6H 2 O (9-3) 6NO 2 + 8NH 3 ⇒ 7N 2 + 12H 2 O (9-4) NO + NO 2 + 2NH 3 ⇒ 2N 2 + 3H 2 O (9-5) SCR catalysts are made of titanium, tungsten, and vanadium elements. The factors that affect the SCR design are type of fuel,
Gas Turbine Exhaust Treatment 141 dust loading, exhaust gas conditions, and the required NO x removal efficiency. The efficiency of the SCR can be defined as the quantity of NO x removed divided by the quantity of NO x present in the inlet stream. The SCR reactor consists of the catalysts, housing, and ammonia injection system (Figure 9-6). In most applications the reactor size is larger than the duct size and therefore, diverging/converging transition ducts are used before and after the reactor, respectively. Care should be taken in preparing the physical design of the SCR reactor, particularly with regard to the gas-stream pressure drop. Gas-stream pressure drop in the order of 2 inches (50mm) to 4 inches (100mm) water column are normally acceptable. Anhydrous ammonia is undiluted, pure, liquid ammonia. In this form it is toxic and hazardous. The liquid anhydrous ammonia is expanded through a heater, mixed with air, and injected into the gas turbine exhaust (Figure 9-7). Aqueous ammonia (NH 4 OH) is a mixture of ammonia (30%) and water (70%). Since it is diluted it is less hazardous than anhydrous ammonia. Injecting aqueous ammonia is only slightly more complicated than injecting anhydrous ammonia. A pump is required to move the aqueous ammonia to a vaporizer tank where it is mixed with hot [575°F (300°C) to 850°F (455°C)] air. There the ammonia/water Figure 9-6. Selective catalytic reduction.
Page 2 and 3:
Gas Turbine Handbook: Principles an
Page 4 and 5:
Gas Turbine Handbook: Principles an
Page 6 and 7:
Dedication This book is dedicated t
Page 8 and 9:
Contents PREFACE ..................
Page 10 and 11:
Chapter 13—BOROSCOPE INSPECTION .
Page 12 and 13:
Preface to the Third Edition The ne
Page 14 and 15:
Acknowledgments I wish to thank the
Page 16 and 17:
2 Gas Turbine Handbook: Principles
Page 18 and 19:
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
Page 28 and 29:
Figure 2-3. Courtesy of United Tech
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37:
Page 38 and 39:
Page 40 and 41:
Page 42 and 43:
Page 44 and 45:
Page 46 and 47:
Page 48 and 49:
Page 50 and 51:
Page 52 and 53:
Page 54 and 55:
Page 56 and 57:
Page 58 and 59:
This page intentionally left blank
Page 60 and 61:
Page 62 and 63:
Page 64 and 65:
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Page 72 and 73:
Page 74 and 75:
Page 76 and 77:
Page 78 and 79:
Page 80 and 81:
Page 82 and 83:
Page 84 and 85:
Page 86 and 87:
Page 88 and 89:
Page 90 and 91:
Figure 5-4. Courtesy of United Tech
Page 92 and 93:
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105: 90 Gas Turbine Handbook: Principles
Page 114 and 115: 100 Gas Turbine Handbook: Principle
Page 128 and 129: This page intentionally left blank
Page 130 and 131: Chart 8-1 Gas Turbine Environments
Page 204 and 205:
190 Gas Turbine Handbook: Principle
Page 206 and 207:
Page 208 and 209:
Page 210 and 211:
Page 212 and 213:
Page 214 and 215:
Page 216 and 217:
Page 218 and 219:
Page 220 and 221:
Page 222 and 223:
Page 224 and 225:
Page 226 and 227:
Page 228 and 229:
Page 230 and 231:
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
Page 238 and 239:
Page 240 and 241:
Page 242 and 243:
Page 244 and 245:
Page 246 and 247:
Page 248 and 249:
Page 250 and 251:
Page 252 and 253:
Page 254 and 255:
Page 256 and 257:
Page 258 and 259:
Page 260 and 261:
Page 262 and 263:
Page 264 and 265:
Page 266 and 267:
Page 268 and 269:
Page 270 and 271:
Figure 15-4. Corinth Motor Oil Refi
Page 272 and 273:
Page 274 and 275:
Page 276 and 277:
Page 278 and 279:
Page 280 and 281:
Page 282 and 283:
Page 284 and 285:
Page 286 and 287:
Page 288 and 289:
Page 290 and 291:
Page 292 and 293:
Page 294 and 295:
Page 296 and 297:
Page 298 and 299:
Page 300 and 301:
Page 302 and 303:
Page 304 and 305:
Page 306 and 307:
Page 308 and 309:
Page 310 and 311:
Page 312 and 313:
Page 314 and 315:
Page 316 and 317:
Page 318 and 319:
Appendix A-2 304 Gas Turbine Handbo
Page 320 and 321:
Page 322 and 323:
Page 324 and 325:
Page 326 and 327:
Page 328 and 329:
Page 330 and 331:
Page 332 and 333:
Page 334 and 335:
Page 336 and 337:
Page 338 and 339:
Page 340 and 341:
Page 342 and 343:
Page 344 and 345:
Page 346 and 347:
Page 348 and 349:
Page 350 and 351:
Page 352 and 353:
Page 354 and 355:
Page 356 and 357:
Page 358 and 359:
Page 360 and 361:
Page 362 and 363:
Page 364 and 365:
Page 366 and 367:
Page 368 and 369:
Page 370 and 371:
5. Weather Hood Material __________
Page 372 and 373:
Appendix C-6 Air/Oil Cooler Specifi
Page 374 and 375:
9. Drive Requirements A. Hydraulic
Page 376 and 377:
22. Packaging For Shipment Per Spec
Page 378 and 379:
Parameters Units NH 3 CO H 2 CH 4 C
Page 380 and 381:
.055 Parameters Units 1/0 .88/.12 .
Page 382 and 383:
Koppers Foster Blue Coal Gas Winkle
Page 384 and 385:
Page 386 and 387:
Page 388 and 389:
Page 390 and 391:
Page 392 and 393:
Page 394 and 395:
Page 396 and 397:
Page 398 and 399:
Page 400 and 401:
Page 402 and 403:
Page 404 and 405:
Page 406 and 407:
Page 408 and 409:
Page 410 and 411:
Page 412 and 413:
Page 414 and 415:
Page 416 and 417:
Page 418 and 419:
Page 420 and 421:
Page 422 and 423:
Page 424 and 425:
Page 426 and 427:
Page 428 and 429:
Page 430 and 431:
Page 432 and 433:
Page 434 and 435:
Page 436 and 437:
Page 438 and 439:
Page 440 and 441:
Page 442 and 443:
Page 444 and 445:
Page 446 and 447:
Page 448 and 449:
Page 450 and 451:
show all

o_191ln0gpf9pgfdj4601afj5gva.pdf

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?