18 Superheater package

Chapters in this book

1. Frontmatter I
2. Contents IX
3. 1 Introduction 1
4. 2 Input data 6
5. 3 Boiler heat duty 8
6. 4 Required fuel 9
7. 5 Forced draft fan discharge mass flow 10
8. 6 FD: Fan outlet duct design 17
9. 7 FD.Fan outlet duct pressure loss 19
10. 8 Furnace width and length 21
11. 9 Furnace height 25
12. 10 Furnace volume 31
13. 11 Furnace exit temperature 32
14. 12 Combustion nonluminous heat transfer coefficient 41
15. 13 Combustion convection heat transfer coefficient 42
16. 14 Combustion outside heat transfer coefficient 45
17. 15 Average tube metal temperature 46
18. 16 Furnace draft pressure drop 52
19. 17 Boiler design pressure 56
20. 18 Superheater package 58
21. 19 Superheater tube rows and deep number 60
22. 20 Superheater convective heat transfer coefficient prediction 62
23. 21 Superheater uncontrolled outlet steam temperature prediction 66
24. 22 Superheater flue gas draft pressure drop 73
25. 23 Superheater package total steam pressure drop 75
26. 24 Steam and mud drum sizing 81
27. 25 Bank tube average length 89
28. 26 Bank tube heat duty prediction 92
29. 27 Bank tube heat surface prediction 94
30. 28 Steam drum outlet steam temperature 99
31. 29 Bank tube bundle flue gas draft pressure drop 106
32. 30 Bank tube duct flue gas draft pressure drop 108
33. 31 Bank tube total flue gas draft pressure drop 112
34. 32 Bank tube area length 113
35. 33 Furnace area length 114
36. 34 Boiler exit duct flue gas draft pressure drop 115
37. 35 Bank tube bundle water pressure drop 117
38. 36 Front and rear wall headers sizing 119
39. 37 Steam drum to superheater connection header sizing 122
40. 38 Economizer heat duty prediction 125
41. 39 Economizer tube rows deep no. 126
42. 40 Economizer tube arrangement 129
43. 41 Economizer tube solid or serrated fins 130
44. 42 Economizer convection heat transfer coefficient 133
45. 43 Economizer overall heat transfer coefficient 139
46. 44 Economizer tubes row number 142
47. 45 Economizer package performance 144
48. 46 Economizer headers water pressure drop 147
49. 47 Economizer tube bundle water pressure drops 150
50. 48 Economizer package water pressure drop 152
51. 49 Economizer package flue gas draft pressure drops 153
52. 50 Economizer outlet duct flue gas draft pressure drops 156
53. 51 Circulation ratio 158
54. 52 Flue gas stack sizing 170
55. 53 Flue gas stack net available draft 173
56. 54 Stack outlet flue gas temperature 175
57. 55 Stack outlet flue gas velocity 179
58. 56 Stack insulation thickness 180
59. 57 Force draft fan electric driver 181
60. 58 Pressure safety valve sizing 185
61. 59 Desuperheater water 191
62. 60 Boiler efficiency 192
63. 61 Boiler package water weight 196
64. 62 Boiler package water weight 203
65. 63 Boiler holdup time (retention time) 205
66. 64 Steam and mud drum weight 212
67. 65 Furnace total tube number 214
68. 66 Boiler total tube number 215
69. 67 Furnace total tubes weight 216
70. 68 Front and rear wall header weight 218
71. 69 Superheater package weight 219
72. 70 Steam drum to superheater connection header weight 221
73. 71 Bank tube package weight 222
74. 72 Economizer package weight 223
75. 73 Stack weight 226
76. 74 Reports 227
77. References 241
78. Index 243