heat balance diagram
TRANSCRIPT
![Page 1: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/1.jpg)
STEAM TURBINE GENERATOR
HEAT BALANCE DIAGRAMS AND CHARACTERISTIC/PERFORMANCE
CURVES(THERMAL CORRECTED CURVES)
CONTENTS
1. HEAT BALANCE DIAGRAMS
1.1 VWO conditions - 0% make up ----------------------------------------3
1.2 VWO conditions - 3% make up ----------------------------------------4
1.3100 % MCR - constant pressure operation 0% make up----------------5
1.4100 % MCR - constant pressure operation 3% make up----------------6
1.5 75 % MCR - constant pressure operation 0% make up----------------7
1.6 75 % MCR - constant pressure operation 3% make up----------------8
1.7 50 % MCR - constant pressure operation 0% make up----------------9
1.8 50 % MCR - constant pressure operation 3% make up----------------10
1.9 Min Load - constant pressure operation 0% make up----------------11
1.10 Min Load - constant pressure operation 3% make up----------------12
1.11 75 % MCR - sliding pressure operation 0% make up----------------13
1.12 75 % MCR - sliding pressure operation 3% make up----------------14
1.13 60 % MCR - sliding pressure operation 0% make up----------------15
1.14 60 % MCR - sliding pressure operation 3% make up----------------16
1.15 50 % MCR - sliding pressure operation 0% make up----------------17
1.16 50 % MCR - sliding pressure operation 3% make up----------------18
![Page 2: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/2.jpg)
1.17 100 % MCR HP heater out constant pressure operation
when 0 % make up ----------------19
1.18 100 % MCR HP heater out constant pressure operation
when 3 % make up ----------------20
2. THERMAL CORRECTED CURVES
2.1 Main steam pressure corrected curves-------------------------------21
2.2 Main steam temperature corrected curves----------------------------22
2.3 Reheater circuit pressure drop corrected curves----------------------23
2.4 Reheat steam temperature corrected curves -------------------------24
2.5 Back pressure corrected curves---------------------------------------25
2.6 exhaust volume flow VS exhaust loss curves--------------------------26
2.7 exhaust volume flow VS LP casing efficiency curves------------------27
2.8 system makeup varying from 0 % to 3 % corrected curves------------28
![Page 3: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/3.jpg)
B
kWkJ/kW.hkg/kW.h
S
1131
.110
25.0
025
9.48
0.00
0.00make up
heat rate =
478.5114.02
213.
50
143.71194.53
output =
1.08
58
△T
=4.0
△T
=1.0
183.
49
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
CF2
345207
S
0.45
CF2
2745
.5
2983
.10.
5305
2638
.60.
0747
VWO(CW temp 33℃,Make up 0%)
2983.1929.32 3535.0540.00 4.1348 769.62
0.00
97
2513
.40.
0305
69.5
325
.43
45.2
4
1025
.00
254.
8211
09.1
2376
.2
0.14
6013
6.36
24.4
8
S
5.35
△T
=2.0
921.
03067
.74.
4564
91.1
2
1025
.00
3010
.0
186.
5310
25.0
0
638.
183
4.84
779.
2 0.50
40
446.
083
4.84
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2745
.5
△T
=8.0
834.
84
117.07 394.1
90.3395.33
△T
=3.0
98.2126.18 286.168.36
DJ1 CF2 DJ2378.3
0.77
717.
7746
.33 0.
77 191.
2
DJ4
△T
=8.0
△T
=8.0
828.2
△T
=8.0GJ7
91.12 951.2221.50
GJ6
0.07
10
63.3
6
106.
02 29.2
2
24.4
8 371.
20.13
87
△T
=3.0
△T
=3.0
26.1
8
0.75
65.3
691
.69
29.2
2
193.
9 0.09
51
275.
4 2922
.4
2520
.90.
0290
℃
717.
7745
.68
718.
0618
9.4
45.2
4
T= 33
0.29
691.
10
1025.00540.00
3390.617.750
260.60 0.5305
91.1
234
5.30
1.11
94
3360
.0
3163
.6
enthalpy kJ/kg
S CF2
929.32 3067.7345.30 4.5942 30
67.7
4.59
42 3360
.02.
2801
3163
.6
452.
2
46.4
552.5
92.
2117
52.5
9
1025
.00
802.
12931
.6
367.
4
7967.162.9692
717.
77
717.
77
399.3 29.2287.85DJ3
2638
.6
87.3
3
63.36
151.
16
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
260.
6058
.01
353.
0446
.45
452.
2053
.04
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 4: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/4.jpg)
B
kWkJ/kW.hkg/kW.h
S
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
259.
8659
.86
352.
5247
.87
451.
9454
.67
2637
.2
86.9
7
65.20
150.
75
739.
25
739.
25
397.8 30.0690.41DJ3
365.
9
8010.782.9846
47.8
754.2
32.
1986
54.2
3
1055
.75
800.
52931
.4
926.52 3066.9344.81 4.5758 30
66.9
4.57
58 3359
.62.
2665
3162
.7
259.86 0.5248
93.9
434
4.81
1.11
02
3359
.6
3162
.7
S CF2
451.
9
1025.00540.00
3390.617.750
℃
739.
2545
.68
739.
5318
9.4
45.2
4
T= 33
0.28
681.
49
91.3
230
.06
193.
8 0.09
51
274.
0 2922
.2
2519
.30.
0286
26.5
3
0.73
65.0
2
0.07
00
65.2
0
105.
65 30.0
6
25.2
1 369.
70.13
70
△T
=3.0
△T
=3.0
△T
=8.0GJ7
93.94 949.8221.19
GJ6 DJ4
△T
=8.0
△T
=8.0
826.6DJ1 CF2 DJ2
376.889.9794.97
△T
=3.0
98.2126.53 284.768.02△
T=8
.085
9.71
120.46
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2744
.2
392.6 0.77
739.
2546
.31 0.
77 191.
20.49
86
444.
485
9.71
186.
1610
55.7
5
636.
485
9.71
777.
6
△T
=2.0
919.
63066
.94.
4386
93.9
4
1055
.75
1055
.75
254.
5811
08.0
2376
.4
0.14
4213
5.64
25.2
1
S
5.34
0.00
97
2512
.10.
0301
69.1
925
.79
45.2
4
2981.7926.52 3535.2540.00 4.1182 761.93
VWO(CW temp 33℃,Make up 3%)
CF2
343425
S
0.44
CF2
2744
.2
2981
.70.
5248
2637
.20.
0737
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
213.
19
148.17194.16
output =
1.07
69
△T
=4.0
△T
=1.0
183.
13
3007
.9
113.65
30.7
5
30.75make up
heat rate =
476.9
1130
.010
55.7
525
9.24
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 5: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/5.jpg)
B
kWkJ/kW.hkg/kW.h
S
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
261.
1254
.53
353.
5043
.56
452.
5149
.53
2639
.8
86.0
8
59.64
149.
40
685.
02
685.
02
394.1 27.5382.75DJ3
362.
2
7977.622.9465
43.5
649.1
02.
1073
49.1
0
973.
0079
2.929
28.0
883.60 3059.3339.96 4.3723 30
59.3
4.37
23 3362
.12.
1724
3165
.6
261.12 0.5063
85.0
333
9.96
1.06
74
3362
.1
3165
.6
S CF2
452.
5
973.00540.00
3390.617.750
℃
685.
0245
.68
685.
2918
9.4
45.2
4
T= 33
0.27
660.
95
90.4
327
.53
194.
0 0.09
51
271.
1 2921
.6
2522
.30.
0277
23.5
7
0.67
64.3
3
0.06
77
59.6
4
104.
64 27.5
3
23.1
2 365.
90.13
23
△T
=3.0
△T
=3.0
△T
=8.0GJ7
85.03 939.7219.02
GJ6 DJ4
△T
=8.0
△T
=8.0
818.7DJ1 CF2 DJ2
373.189.0894.08
△T
=3.0
98.2123.57 281.867.33△
T=8
.079
5.31
110.28
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2746
.9
388.8 0.77
685.
0246
.36 0.
77 191.
20.48
10
440.
279
5.31
184.
4197
3.00
630.
679
5.31
770.
0
△T
=2.0
909.
93059
.34.
2411
85.0
3
973.
00
973.
0025
1.83
1095
.1
2382
.2
0.13
9313
6.76
23.1
2
S
5.11
0.00
97
2515
.00.
0292
68.5
022
.91
45.2
4
2984.9883.60 3537.1540.00 3.9351 733.89
TMCR(CW temp 33℃,Make up 0%)
CF2
330219
S
0.43
CF2
2746
.9
2984
.90.
5063
2639
.80.
0713
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
211.
02
134.13192.41
output =
1.03
54
△T
=4.0
△T
=1.0
181.
40
3011
.6
112.64
0.00
0.00make up
heat rate =
472.6
1117
.197
3.00
256.
49
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 6: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/6.jpg)
B
kWkJ/kW.hkg/kW.h
S
1117
.610
08.3
725
6.61
29.3
7
29.37make up
heat rate =
471.8112.45
211.
01
139.39192.30
output =
1.03
29
△T
=4.0
△T
=1.0
181.
30
3009
.3
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
330131
S
0.42
CF2
2745
.5
2983
.40.
5038
2638
.30.
0707
TMCR(CW temp 33℃,Make up 3%)
2983.4886.27 3537.0540.00 3.9423 730.79
0.00
97
2513
.50.
0289
68.2
923
.52
45.2
4
1008
.37
251.
9410
95.7
2381
.8
0.13
8413
6.00
23.9
6
S
5.12
△T
=2.0
909.
93060
.04.
2489
88.3
6
1008
.37
184.
3010
08.3
7
629.
882
3.74
769.
5 0.47
86
439.
482
3.74
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2745
.5
388.0 0.77
709.
4546
.33 0.
77 191.
2
△T
=8.0
823.
74
114.29
93.88
△T
=3.0
98.2124.18 281.067.12
DJ1 CF2 DJ2372.2
DJ4
△T
=8.0
△T
=8.0
818.3
△T
=8.0GJ7
88.36 939.7219.01
GJ6
0.06
72
61.8
1
104.
45 28.5
2
23.9
6 365.
00.13
15
△T
=3.0
△T
=3.0
24.1
8
0.66
64.1
290
.22
28.5
2
193.
9 0.09
51
270.
3 2921
.5
2520
.60.
0275
℃
709.
4545
.68
709.
7218
9.4
45.2
4
T= 33
0.27
655.
40
979.00540.00
3390.617.750
260.32 0.5038
88.3
634
0.32
1.06
48
3361
.4
3164
.5
S CF2
886.27 3060.0340.32 4.3803 30
60.0
4.38
03 3361
.42.
1720
3164
.5
452.
2
45.2
451.0
42.
1069
51.0
4
1008
.37
792.
42928
.3
361.
3
8021.162.9655
709.
45
709.
45
393.2 28.5285.77DJ3
88.8826
38.3
85.8
8
61.81
149.
21
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
260.
3256
.69
352.
9345
.24
452.
2151
.46
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 7: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/7.jpg)
B
kWkJ/kW.hkg/kW.h
S
1035
.170
7.00
238.
800.
00
0.00make up
heat rate =
438.3104.54
196.
22
88.06179.74
output =
0.77
15
△T
=4.0
△T
=1.0
168.
92
3019
.8
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
247680
S
0.32
CF2
2755
.3
2994
.50.
3792
2645
.60.
0531
75%TMCR(CW temp 33℃,Make up 0%)
2994.5647.83 3547.4540.00 2.9020 547.18
0.00
97
2523
.10.
0221
62.2
411
.13
45.2
4
707.
0023
4.16
1013
.9
2424
.2
0.10
5013
9.34
16.4
3
S
3.81
△T
=2.0
844.
53016
.93.
1277
55.8
2
707.
00
585.
558
9.53
715.
2 0.36
02
406.
158
9.53
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2755
.3
357.3 0.77
513.
0946
.58 0.
77 191.
2
△T
=8.0
589.
53
76.44
86.57
△T
=3.0
98.2111.33 255.961.12
DJ1 CF2 DJ2341.5
DJ4
△T
=8.0
△T
=8.0
762.3
△T
=8.0GJ7
55.82 872.1204.22
GJ6
0.05
05
40.9
6
96.5
4 19.0
6
16.4
3 334.
20.09
97
△T
=3.0
△T
=3.0
11.3
3
0.21
58.1
282
.85
19.0
6
195.
0 0.09
51
245.
1 2917
.0
2527
.60.
0210
℃
513.
0945
.68
513.
2818
9.4
45.2
4
T= 33
0.20
501.
18
707.00540.00
3390.617.750
263.86 0.3792
55.8
231
1.50
0.79
53
3372
.6
3175
.7
S CF2
454.
0
647.83 3016.9311.50 3.2244 30
16.9
3.22
44 3372
.61.
6105
3175
.7
29.4
132.2
41.
5622
32.2
4
707.
0073
8.129
06.3
171.
7470
7.00
330.
7
8111.252.8545
513.
09
513.
09
362.5 19.0657.39DJ3
81.5726
45.6
78.5
7
40.96
138.
89
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
263.
8637
.15
355.
8729
.41
453.
9732
.56
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 8: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/8.jpg)
B
kWkJ/kW.hkg/kW.h
S
263.
1938
.56
355.
4130
.47
steam rate =
pressure Mpa(a)
453.
7533
.75
530.
48
361.6 19.6959.36DJ3
81.36
78.3
6
42.37
8145.662.8673
530.
48
2644
.3
NOTE:1:GJ—HP feedwater heater
30.4
733.4
31.
5602
33.4
3
731.
3073
7.529
06.4
648.79 3016.2311.20 3.2253 30
16.2
3.22
53 3372
.11.
6085
3174
.8
263.19 0.3770
57.8
731
1.20
0.79
27
3372
.1
3174
.8
S CF2
453.
8
710.00540.00
3390.617.750
℃
530.
4845
.68
530.
6818
9.4
45.2
4
T= 33
0.20
497.
05
194.
8 0.09
51
244.
4 2916
.8
2526
.20.
0208
0.20
57.9
382
.65
19.6
9
△T
=3.0
△T
=3.0
11.5
6329.
9
GJ6
0.05
00
42.3
7
96.3
4 19.6
9
16.9
9 333.
30.09
90
△T
=8.0
761.7
△T
=8.0GJ7
57.87 871.8204.16
DJ2340.7
DJ4
△T
=8.0
△T
=3.0
98.2111.56 255.160.93
DJ1 CF2
△T
=8.0
609.
53
79.05
86.36
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2754
.0
356.4 0.77
530.
4846
.55 0.
77 191.
20.35
82
405.
360
9.53
138.
70
171.
6073
1.30
584.
660
9.53
714.
6
△T
=2.0
844.
33016
.23.
1285
57.8
7
731.
30
731.
3023
4.18
1013
.9
2424
.3
0.10
4213
8.68
16.9
9
S
3.81
0.00
97
2521
.90.
0219
62.0
511
.37
45.2
4
2993.2648.79 3547.4540.00 2.9027 544.49
75%TMCR(CW temp 33℃,Make up 3%)
CF2
247617
S
0.32
CF2
2754
.0
2993
.20.
3770
2644
.30.
0527
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
196.
16
91.30179.60
output =
0.76
89
△T
=4.0
△T
=1.0
168.
78
3017
.8
104.34
21.3
0
21.30make up
heat rate =
437.5
1035
.273
1.30
238.
82
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 9: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/9.jpg)
B
kWkJ/kW.hkg/kW.h
S
266.
5623
.44
358.
1918
.36
steam rate =
pressure Mpa(a)
455.
4419
.72
360.
44
326.5 11.9936.70DJ3
73.00
70.0
0
26.08
8548.062.9043
360.
44
2651
.5
NOTE:1:GJ—HP feedwater heater
18.3
619.4
81.
0830
19.4
8
480.
0067
5.828
80.2
157.
1648
0.00
444.39 3019.2300.56 2.2229 30
19.2
2.22
29 3381
.71.
1165
3184
.6
266.56 0.2656
33.0
330
0.56
0.55
41
3381
.7
3184
.6
S CF2
455.
4
480.00540.00
3390.617.750
℃
360.
4445
.68
360.
6218
9.4
45.2
4
T= 33
0.18
356.
68
196.
6 0.09
51
216.
8 2918
.7
2534
.10.
0153
0.00
51.3
683
.03
11.9
9
△T
=3.0
△T
=3.0
3.1729
4.9
GJ6
0.03
54
26.0
8
86.9
4 11.9
9
10.6
2 298.
00.07
00
△T
=8.0
698.2
△T
=8.0GJ7
33.03 796.4187.39
DJ2305.6
DJ4
△T
=8.0
△T
=3.0
98.213.17 227.5
54.36
DJ1 CF2
△T
=8.0
409.
13
48.69
78.00
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2762
.1
321.4 0.77
360.
4446
.96 0.
77 191.
20.25
23
365.
840
9.13
126.
7353
3.6
409.
13
653.
0
△T
=2.0
771.
13019
.22.
1562
33.0
3
480.
00
480.
0021
4.21
924.
1
2483
.4
0.07
3614
1.51
10.6
2
S
2.64
0.00
97
2534
.10.
0161
55.4
33.
17
45.2
4
3003.1444.39 3556.1540.00 2.0006 381.84
50%TMCR(CW temp 33℃,Make up 0%)
CF2
165275
S
0.23
CF2
2762
.1
3003
.10.
2656
2651
.50.
0373
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
179.
39
52.51165.16
output =
0.53
75
△T
=4.0
△T
=1.0
154.
59
3030
.3
94.94
0.00
0.00make up
heat rate =
397.8
944.
448
0.00
218.
75
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 10: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/10.jpg)
B
kWkJ/kW.hkg/kW.h
S
944.
649
6.46
218.
7914
.46
14.46make up
heat rate =
397.194.78
179.
36
54.44165.07
output =
0.53
62
△T
=4.0
△T
=1.0
154.
49
3028
.3
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
165338
S
0.23
CF2
2761
.0
3001
.90.
2644
2650
.30.
0370
50%TMCR(CW temp 33℃,Make up 3%)
3001.9445.20 3556.1540.00 2.0021 380.37
0.00
97
2533
.20.
0160
55.3
13.
23
45.2
4
496.
4621
4.25
924.
2
2483
.5
0.07
3214
0.91
10.9
9
S
2.65
△T
=2.0
771.
03018
.52.
1578
34.2
3
496.
46
157.
0749
6.46
533.
042
3.00
652.
6 0.25
12
365.
142
3.00
126.
59
411.6
2761
.0
320.7 0.77
372.
6646
.92 0.
77 191.
2
DJ1 CF2
△T
=8.0
423.
00
50.34
77.83
DJ4
△T
=8.0
△T
=3.0
98.213.23 227.1
54.24△T
=8.0
697.8
△T
=8.0GJ7
34.23 796.3187.36
GJ6
0.03
52
26.9
8
86.7
8 12.3
6
10.9
9 297.
30.06
95
12.3
6
△T
=3.0
△T
=3.0
294.
2
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
196.
4 0.09
51
216.
3 2918
.6
2533
.20.
0152
0.00
3.23
℃
372.
6645
.68
372.
8518
9.4
45.2
4
T= 33
0.18
354.
40
482.00540.00
3390.617.750
34.2
330
0.28
0.55
28
3381
.4
3183
.8
455.
3
3018
.52.
2245 33
81.4
1.11
58
445.20 3018.5300.28 2.2245
496.
4667
5.428
80.3
3183
.8
265.96 0.2644
S CF2
51.2
482
.42
8578.292.9152
372.
66
2650
.3
NOTE:1:GJ—HP feedwater heater
DJ2304.9
372.
66
325.8 12.3637.98DJ3
72.83
69.8
3
26.98
steam rate =
pressure Mpa(a)
455.
2520
.43
19.0
220.2
01.
0823
20.2
0
265.
9624
.33
357.
7819
.02
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 11: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/11.jpg)
B
kWkJ/kW.hkg/kW.h
S
852.
631
2.00
198.
050.
00
0.00make up
heat rate =
355.284.82
161.
89
29.80149.85
output =
0.35
72
△T
=4.0
△T
=1.0
139.
59
3039
.9
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
103904
S
0.16
CF2
2768
.2
3009
.90.
1775
2658
.30.
0253
Min Load(CW temp 33℃,Make up 0%)
3009.9291.23 3562.4540.00 1.3163 254.38
0.00
97
2554
.40.
0121
49.6
20.
01
45.2
4
312.
0019
3.66
833.
3
2554
.1
0.04
9514
3.75
6.46
S
1.79
△T
=2.0
695.
93021
.21.
4187
18.6
2
312.
00
479.
327
1.31
588.
5 0.16
86
323.
427
1.31
113.
91
411.6
2768
.2
284.9 0.77
243.
1447
.58 0.
77 191.
2
DJ1 CF2
△T
=8.0
271.
31
28.17
69.13
DJ4
△T
=8.0
△T
=3.0
98.210.01 203.4
48.59△T
=8.0
631.6
△T
=8.0GJ7
18.62 719.0169.89
GJ6
0.02
40
15.7
5
76.8
2 5.95
6.46 26
0.50.
0470
△T
=3.0
0.0125
7.7
85.6
65.
95
△T
=3.0
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
199.
1 0.09
51
199.
2 2920
.1
2554
.40.
0115
0.00
℃
243.
1445
.68
243.
3518
9.4
45.2
4
T= 33
0.20
242.
57
312.00540.00
3390.617.750
18.6
229
1.63
0.36
82
3388
.5
3191
.4
456.
7
0.73
83
3191
.4
268.96 0.1775
S CF2
312.
00
291.23 3021.2291.63 1.4626 30
21.2
1.46
26 3388
.5
312.
0061
1.128
51.6
141.
85
9138.203.0028
243.
14
2658
.3
NOTE:1:GJ—HP feedwater heater
45.5
9
DJ2268.4
243.
14
289.3 5.9522.21DJ3
64.13
61.1
3
15.75
steam rate =
pressure Mpa(a)
456.
7011
.34
10.8
911.1
90.
7162
11.1
9
268.
9613
.96
360.
2010
.89
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 12: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/12.jpg)
B
kWkJ/kW.hkg/kW.h
S
268.
3414
.60
359.
7411
.36
steam rate =
pressure Mpa(a)
456.
4611
.84
11.3
611.6
80.
7199
11.6
8
252.
63
289.3 6.2123.13DJ3
64.11
61.1
1
16.40
2657
.1
NOTE:1:GJ—HP feedwater heater
DJ2268.4
324.
4561
1.728
52.1
3190
.5
268.34 0.1777
S CF2
45.5
985
.07
0.74
22
293.40 3020.6291.52 1.4727
19.4
429
1.52
0.36
95
3388
.0
3190
.5
456.
5
3020
.61.
4727 33
88.0
315.00540.00
3390.617.750
℃
252.
6345
.68
252.
8318
9.4
45.2
4
T= 33
0.20
242.
60
198.
8 0.09
51
198.
9 2919
.9
2553
.40.
0115
0.00
0.01
6.21
△T
=3.0
△T
=3.0
257.
7
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
9156.623.0109
GJ6
0.02
40
16.4
0
76.8
2 6.21
6.72 26
0.50.
0470
△T
=8.0
632.2
△T
=8.0GJ7
19.44 720.0170.11
DJ4
△T
=8.0
△T
=3.0
98.210.01 203.4
48.59
DJ1 CF2
△T
=8.0
281.
97
29.34
69.11
252.
63
411.6
2767
.0
284.9 0.77
252.
6347
.51 0.
77 191.
20.16
89
323.
428
1.97
113.
96
141.
9832
4.45
479.
528
1.97
589.
0
△T
=2.0
696.
83020
.61.
4285
19.4
4
324.
45
324.
4519
3.99
834.
7
2553
.2
0.04
9514
3.15
6.72
S
1.80
0.00
97
2553
.40.
0121
49.6
20.
01
45.2
4
3008.7293.40 3562.3540.00 1.3254 254.94
Min Load(CW temp 33℃,Make up 3%)
CF2
104619
S
0.16
CF2
2767
.0
3008
.70.
1777
2657
.10.
0253
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
162.
11
31.12149.98
output =
0.35
84
△T
=4.0
△T
=1.0
139.
71
3037
.8
84.82
9.45
9.45make up
heat rate =
355.2
854.
032
4.45
198.
38
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 13: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/13.jpg)
B
kWkJ/kW.hkg/kW.h
S
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
263.
6438
.49
355.
6730
.54
453.
8833
.86
2645
.1
79.2
6
42.31
139.
86
527.
14
527.
14
365.4 19.7359.29DJ3
333.
6
8206.212.9234
33.5
2
726.
0074
3.129
08.3
453.
9
30.5
433.5
21.
6068
666.96 3100.5346.28 3.3180 31
00.5
3.31
80 3371
.81.
6565
3174
.9
263.64 0.3896
55.7
834
6.28
0.81
76
3371
.8
3174
.9
enthalpy kJ/kg
S CF2
726.00540.00
3439.913.313
℃
527.
1445
.68
527.
3518
9.4
45.2
4
T= 33
0.21
514.
33
83.5
519
.73
194.
9 0.09
51
247.
5 2928
.9
2525
.80.
0215
12.2
4
0.17
58.6
9
0.05
19
42.3
1
97.3
0 19.7
3
16.9
8 337.
10.10
25
△T
=3.0
△T
=3.0
△T
=8.0GJ7
55.78 878.2205.57
GJ6 DJ4
△T
=8.0
△T
=8.0
767.5DJ1 CF2 DJ2
344.482.2687.26
△T
=3.0
98.2112.24 258.261.69△
T=8
.060
6.16
79.02
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2754
.7
360.2 0.77
527.
1446
.56 0.
77 191.
20.37
02
409.
360
6.16
172.
9072
6.00
589.
660
6.16
720.
2
△T
=2.0
850.
53100
.53.
2185
55.7
8
726.
00
726.
0023
5.77
1021
.2
2419
.9
0.10
7913
9.17
16.9
8
S
3.82
0.00
97
2522
.40.
0227
62.8
112
.07
45.2
4
2993.7666.96 3546.6540.00 2.9862 562.49
75%TMCR(CW temp 33℃,Make up 0%)
CF2
248345
S
0.33
CF2
2754
.7
2993
.70.
3896
2645
.10.
0546
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
197.
57
89.30180.90
output =
0.79
31
△T
=4.0
△T
=1.0
170.
06
3024
.2
105.30
0.00
0.00make up
heat rate =
441.5
1042
.672
6.00
240.
43
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 14: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/14.jpg)
B
kWkJ/kW.hkg/kW.h
S
1042
.775
0.87
240.
4621
.87
21.87make up
heat rate =
440.7105.10
197.
52
92.57180.76
output =
0.79
05
△T
=4.0
△T
=1.0
169.
92
3022
.0
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
248043
S
0.33
CF2
2753
.4
2992
.40.
3874
2643
.80.
0542
75%TMCR(CW temp 33℃,Make up 3%)
2992.4667.95 3546.6540.00 2.9874 559.70
0.00
97
2521
.20.
0225
62.6
212
.33
45.2
4
750.
8723
5.79
1021
.3
2420
.0
0.10
7113
8.49
17.5
6
S
3.82
△T
=2.0
850.
23100
.73.
2197
57.8
0
750.
87
588.
762
6.67
719.
6 0.36
81
408.
562
6.67
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2753
.4
359.3 0.77
544.
9646
.53 0.
77 191.
2
△T
=8.0
626.
67
81.71
87.05
△T
=3.0
98.2112.49 257.461.50
DJ1 CF2 DJ2343.6
DJ4
△T
=8.0
△T
=8.0
766.8
△T
=8.0GJ7
57.80 878.0205.52
GJ6
0.05
14
43.7
7
97.1
0 20.3
9
17.5
6 336.
20.10
17
△T
=3.0
△T
=3.0
12.4
9
0.16
58.5
083
.34
20.3
9
194.
7 0.09
51
246.
7 2928
.8
2524
.40.
0213
℃
544.
9645
.68
545.
1618
9.4
45.2
4
T= 33
0.21
510.
04
729.00540.00
3439.913.313
262.94 0.3874
57.8
034
6.36
0.81
49
3371
.3
3173
.9
S CF2
453.
6
667.95 3100.7346.36 3.3193 31
00.7
3.31
93 3371
.31.
6546
3173
.9
31.6
434.7
71.
6049
34.7
7
750.
8774
2.529
08.5
172.
7675
0.87
332.
8
8246.062.9390
544.
96
544.
96
364.5 20.3961.32DJ3
82.0526
43.8
79.0
5
43.77
139.
66
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
262.
9439
.94
355.
1831
.64
453.
6335
.10
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 15: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/15.jpg)
B
kWkJ/kW.hkg/kW.h
S
990.
458
4.00
228.
950.
00
0.00make up
heat rate =
418.599.85
187.
96
66.33172.60
output =
0.64
84
△T
=4.0
△T
=1.0
161.
89
3032
.2
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
CF2
199072
S
0.28
CF2
2758
.8
2999
.00.
3195
2648
.40.
0447
60%TMCR(CW temp 33℃,Make up 0%)
2999.0540.19 3552.0540.00 2.4260 460.20
0.00
97
2527
.80.
0188
58.7
96.
65
45.2
4
584.
0022
4.34
969.
4
2452
.0
0.08
8514
0.44
13.3
4
S
3.09
△T
=2.0
808.
33125
.42.
6147
41.0
7
584.
00
164.
6058
4.00
560.
149
4.22
684.
7 0.30
35
386.
449
4.22
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2758
.8
339.5 0.76
432.
7346
.75 0.
76 191.
2
△T
=8.0
494.
22
61.49
82.34
△T
=3.0
98.216.65 241.5
57.69
DJ1 CF2 DJ2323.8
DJ4
△T
=8.0
△T
=8.0
730.8
△T
=8.0GJ7
41.07 834.8195.96
GJ6
0.04
25
32.8
3
91.8
5 15.3
1
13.3
4 316.
30.08
41
△T
=3.0
△T
=3.0
6.65
0.00
54.6
982
.03
15.3
1
195.
7 0.09
51
230.
8 2933
.2
2527
.80.
0179
℃
432.
7345
.68
432.
9218
9.4
45.2
4
T= 33
0.19
425.
51
584.00540.00
3468.310.650
265.22 0.3195
41.0
735
0.86
0.66
84
3377
.4
3180
.4
enthalpy kJ/kg
S CF2
540.19 3125.4350.86 2.6955 31
25.4
2.69
55 3377
.41.
3502
3180
.4
454.
7
23.4
525.2
61.
3097
25.2
6
584.
0070
7.528
93.6
313.
0
8426.822.9336
432.
73
432.
73
344.8 15.3146.18DJ3
77.3426
48.4
74.3
4
32.83
132.
94
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
265.
2229
.74
357.
0423
.45
454.
7125
.54
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 16: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/16.jpg)
B
kWkJ/kW.hkg/kW.h
S
264.
5530
.91
356.
5724
.32
steam rate =
pressure Mpa(a)
454.
4626
.50
447.
78
344.0 15.8247.83DJ3
77.17
74.1
7
34.01
8463.532.9481
447.
78
2647
.1
NOTE:1:GJ—HP feedwater heater
24.3
226.2
31.
3097
26.2
3
604.
6170
7.128
93.9
164.
5260
4.61
541.63 3125.7351.03 2.7004 31
25.7
2.70
04 3376
.91.
3502
3179
.4
264.55 0.3182
42.6
335
1.03
0.66
72
3376
.9
3179
.4
S CF2
454.
5
587.00540.00
3468.310.650
℃
447.
7845
.68
447.
9718
9.4
45.2
4
T= 33
0.19
422.
79
195.
5 0.09
51
230.
2 2933
.2
2526
.70.
0178
0.00
54.5
681
.36
15.8
2
△T
=3.0
△T
=3.0
6.8031
2.3
GJ6
0.04
22
34.0
1
91.7
0 15.8
2
13.8
3 315.
60.08
36
△T
=8.0
730.5
△T
=8.0GJ7
42.63 834.8195.96
DJ2323.1
DJ4
△T
=8.0
△T
=3.0
98.216.80 240.9
57.56
DJ1 CF2
△T
=8.0
511.
43
63.65
82.17
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2757
.6
338.8 0.76
447.
7846
.71 0.
76 191.
20.30
23
385.
851
1.43
132.
8055
9.5
511.
43
684.
3
△T
=2.0
808.
33125
.72.
6194
42.6
3
604.
61
604.
6122
4.44
969.
9
2452
.0
0.08
8013
9.78
13.8
3
S
3.10
0.00
97
2526
.70.
0187
58.6
56.
80
45.2
4
2997.7541.63 3552.0540.00 2.4304 458.62
60%TMCR(CW temp 33℃,Make up 3%)
CF2
199109
S
0.27
CF2
2757
.6
2997
.70.
3182
2647
.10.
0444
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
187.
96
68.86172.52
output =
0.64
72
△T
=4.0
△T
=1.0
161.
82
3030
.0
99.70
17.6
1
17.61make up
heat rate =
417.9
990.
860
4.61
229.
06
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 17: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/17.jpg)
B
kWkJ/kW.hkg/kW.h
S
266.
3824
.14
358.
0318
.95
steam rate =
pressure Mpa(a)
455.
3320
.35
368.
66
328.8 12.3737.68DJ3
73.53
70.5
326.75
8625.922.9526
368.
66
2651
.1
NOTE:1:GJ—HP feedwater heater
20.1
2
490.
0067
9.628
81.9
455.
3
18.9
520.1
21.
1088
455.28 3141.5353.92 2.2770 31
41.5
2.27
70 3381
.21.
1431
3184
.1
266.38 0.2717
32.2
335
3.92
0.56
72
3381
.2
3184
.1
enthalpy kJ/kg
S CF2
490.00540.00
3486.78.875
℃
368.
6645
.68
368.
8718
9.4
45.2
4
T= 33
0.21
364.
57
196.
4 0.09
51
218.
5 2936
.1
2533
.20.
0155
0.00
51.7
582
.89
12.3
7
△T
=3.0
△T
=3.0
3.5329
7.1
GJ6
0.03
62
26.7
5
87.5
3 12.3
7
10.9
3 300.
20.07
16
△T
=8.0
702.2
△T
=8.0GJ7
32.23 801.1188.43
DJ2307.8
DJ4
△T
=8.0
△T
=3.0
98.213.53 229.2
54.75
DJ1 CF2
△T
=8.0
418.
70
50.04
78.53
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2761
.7
323.6 0.76
368.
6646
.93 0.
76 191.
20.25
81
368.
341
8.70
127.
49
158.
0749
0.00
536.
841
8.70
656.
9
△T
=2.0
775.
63141
.52.
2087
32.2
3
490.
00
490.
0021
5.45
929.
6
2479
.4
0.07
5314
1.35
10.9
3
S
2.61
0.00
97
2533
.20.
0164
55.8
33.
53
45.2
4
3002.6455.28 3555.7540.00 2.0493 390.77
50%TMCR(CW temp 33℃,Make up 0%)
CF2
165953
S
0.24
CF2
2761
.7
3002
.60.
2717
2651
.10.
0381
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
180.
43
52.35166.07
output =
0.55
01
△T
=4.0
△T
=1.0
155.
47
3038
.0
95.53
0.00
0.00make up
heat rate =
400.3
950.
149
0.00
220.
01
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 18: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/18.jpg)
B
kWkJ/kW.hkg/kW.h
S
950.
850
7.79
220.
1714
.79
14.79make up
heat rate =
399.895.43
180.
50
54.40166.05
output =
0.54
99
△T
=4.0
△T
=1.0
155.
46
3035
.8
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h enthalpy kJ/kg
CF2
166247
S
0.23
CF2
2760
.5
3001
.40.
2710
2649
.90.
0379
50%TMCR(CW temp 33℃,Make up 3%)
3001.4457.03 3555.6540.00 2.0550 390.01
0.00
97
2532
.20.
0163
55.7
43.
62
45.2
4
507.
7921
5.59
930.
2
2479
.2
0.07
5014
0.74
11.3
3
S
2.62
△T
=2.0
775.
93141
.72.
2149
33.4
8
507.
79
536.
543
3.71
656.
8 0.25
75
367.
843
3.71
127.
40
411.6
2760
.5
323.1 0.76
381.
8546
.89 0.
76 191.
2
DJ1 CF2
△T
=8.0
433.
71
51.86
78.41
DJ4
△T
=8.0
△T
=3.0
98.213.62 228.8
54.66△T
=8.0
702.1
△T
=8.0GJ7
33.48 801.4188.50
GJ6
0.03
60
27.7
5
87.4
3 12.7
9
11.3
3 299.
70.07
13
△T
=3.0
3.6229
6.6
82.2
612
.79
△T
=3.0
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
196.
3 0.09
51
218.
1 2936
.0
2532
.20.
0155
0.00
℃
381.
8545
.68
382.
0518
9.4
45.2
4
T= 33
0.21
362.
88
493.00540.00
3486.78.875
33.4
835
4.07
0.56
69
3380
.8
3183
.2
455.
2
1.14
49
3183
.2
265.76 0.2710
S CF2
507.
79
457.03 3141.7354.07 2.2834 31
41.7
2.28
34 3380
.8
507.
7967
9.628
82.1
158.
05
8658.082.9655
381.
85
2649
.9
NOTE:1:GJ—HP feedwater heater
51.6
6
DJ2307.3
381.
85
328.2 12.7939.07DJ3
73.41
70.4
1
27.75
steam rate =
pressure Mpa(a)
455.
1621
.16
19.6
820.9
31.
1106
20.9
3
265.
7625
.12
357.
6219
.68
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 19: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/19.jpg)
B
kWkJ/kW.hkg/kW.h
S
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
264.
4960
.66
357.
8349
.72
0.52
2643
.7
87.4
2
64.04
151.
39
721.
27
721.
27
399.7 29.3388.68DJ3
367.
8
8212.132.6922
0.00
889.
0080
3.8
49.7
20.00
884.54 3070.4345.19 4.4721
3173
.7
264.49 0.5338
0.00
1.12
88
3173
.7
enthalpy kJ/kg
S CF2
889.00540.00
3390.617.750
℃
721.
2745
.68
721.
5618
9.4
45.2
4
T= 33
0.29
692.
60
91.7
829
.33
193.
9 0.09
51
275.
7 2922
.5
2525
.30.
0291
26.3
7
0.75
65.4
3
0.07
13
64.0
4
106.
18 29.3
3
24.6
4 371.
60.13
94
△T
=3.0
△T
=3.0
△T
=8.0GJ7
0.00GJ6 DJ4
△T
=8.0
△T
=8.0 DJ1 CF2 DJ2
378.790.4295.42
△T
=3.0
98.2126.37 286.568.43△
T=8
.083
9.28
118.01
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2751
.6
394.5 0.77
721.
2746
.32 0.
77 191.
20.50
71
446.
783
9.28
186.
8688
9.00
639.
183
9.28
780.
9
△T
=2.0
803.
8
0.00
889.
00
889.
0018
6.86
803.
8
2380
.0
0.14
6813
9.37
24.6
4
S
3.38
0.00
97
2518
.00.
0306
69.6
125
.61
45.2
4
2991.1884.54 3536.2540.00 4.0249 771.57
THO(CW temp 33℃,Make up 0%)
CF2
330209
S
0.52
CF2
2751
.6
2991
.10.
5338
2643
.70.
0750
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
186.
86
0.00
output =
1.09
49
△T
=4.0
△T
=1.0
183.
86
3001
.3
114.18
0.00
0.00make up
heat rate =
479.2
803.
888
9.00
186.
91
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 20: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/20.jpg)
B
kWkJ/kW.hkg/kW.h
S
803.
691
7.73
186.
8726
.73
26.73make up
heat rate =
478.6114.05
186.
83
0.00
output =
1.09
42
△T
=4.0
△T
=1.0
183.
83
2999
.9
CF2
S D H.E
.D S C
F2
temp ℃
CF2
S D
flow t/h
CF2
330193
S
0.52
CF2
2750
.5
2989
.90.
5322
2642
.50.
0746
THO(CW temp 33℃,Make up 3%)
2989.9886.53 3536.1540.00 4.0328 769.71
0.00
97
2516
.80.
0304
69.4
526
.27
45.2
4
917.
7318
6.83
803.
6
2379
.6
0.14
6113
8.80
25.4
5
S
3.38
△T
=2.0
803.
6
0.00
917.
73
186.
8391
7.73
638.
786
6.28
780.
7 0.50
56
446.
186
6.28
2:DJ—LP feedwater heater
3:CF2—shaft seal leakage heater
411.6
2750
.5
393.9 0.77
744.
3946
.30 0.
77 191.
2
△T
=8.0
866.
28
121.89
95.28
△T
=3.0
98.2127.03 285.868.28
DJ1 CF2 DJ2378.1
DJ4
△T
=8.0
△T
=8.0
△T
=8.0GJ7
0.00GJ6
0.07
09
66.1
5
106.
05 30.2
9
25.4
5 371.
00.13
88
△T
=3.0
△T
=3.0
27.0
3
0.76
65.2
891
.63
30.2
9
193.
8 0.09
51
275.
1 2922
.4
2524
.00.
0289
℃
744.
3945
.68
744.
6718
9.4
45.2
4
T= 33
0.29
688.
31
891.00540.00
3390.617.750
263.91 0.5322
0.00
1.12
80
3172
.9
enthalpy kJ/kg
S CF2
886.53 3070.5345.32 4.4809
3172
.9
51.4
50.00
0.00
917.
7380
3.6
367.
2
8230.772.6984
744.
39
744.
39
399.1 30.2991.60DJ3
90.2826
42.5
87.2
8
66.15
151.
28
steam rate =
pressure Mpa(a)
NOTE:1:GJ—HP feedwater heater
263.
9162
.77
357.
4751
.45
0.52
CONDENSER
HP IP
锅炉
LP LP
CA
DB
F
A
C
E F G
E G
deaerator
GENERATOR
B
D
锅炉
boile
r
![Page 21: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/21.jpg)
Main steam pressure corrected curves
-8
-6
-4
-2
0
2
4
6
8
-7 -5 -3 -1 1 3 5 7
Main steam pressure variation(%)
corre
cted
val
ue(%)
heat rate STG output
![Page 22: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/22.jpg)
Main steam temperature corrected curves
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
-40 -30 -20 -10 0 10 20 30 40
Main steam temperature variation(℃)
corre
cted
val
ue(
%)
heat rate STG output
![Page 23: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/23.jpg)
Reheater circuit pressure drop corrected curves
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Reheater circuit pressure drop variation(%)
corre
cted
val
ue(
%)
heat rate STG output
![Page 24: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/24.jpg)
Reheat steam temperature corrected curves
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
-40 -30 -20 -10 0 10 20 30 40
Reheat steam temperature variation(℃)
corre
cted
val
ue(%)
heat rate STG output
![Page 25: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/25.jpg)
Back pressure corrected curves
-6
-4
-2
0
2
4
6
5 6 7 8 9 10 11 12 13 14 15 16 17 18
back pressure variation(kPa(a))
corre
cted
val
ue(%)
heat rate STG output
![Page 26: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/26.jpg)
exhaust volume flow VS exhaust loss curves
10
15
20
25
30
35
40
45
50
1000 1500 2000 2500 3000 3500 4000 4500
the last stage exhaust volume flow(m^3/s)
the
last
stag
e ex
haus
t los
s(kJ
/kg)
![Page 27: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/27.jpg)
exhaust volume flow VS LP casing efficiency curves
86
87
88
89
90
91
1000 1500 2000 2500 3000 3500 4000 4500
the last stage exhaust volume flow(m^3/s)
LP c
asin
g ef
ficie
ncy(
%)
![Page 28: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/28.jpg)
system makeup varying from 0 % to 3 % corrected curves
-1.0
-0.5
0.0
0.5
1.0
-1 0 1 2 3 4
make up(%)
corre
cted
val
ue(%)
heat rate STG output
![Page 29: Heat Balance Diagram](https://reader036.vdocuments.net/reader036/viewer/2022082219/54493160b1af9f57618b4fb6/html5/thumbnails/29.jpg)