Heat Balance Diagram

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




1.9 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






1.17 100 % 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

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

B

kWkJ/kW.hkg/kW.h

S

steam rate =

pressure Mpa(a)


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



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

B

kWkJ/kW.hkg/kW.h

S

steam rate =

pressure Mpa(a)


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



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


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

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


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



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)


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

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


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



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)


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

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


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



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


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


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

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


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



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


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


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

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


CF2

165338

S

0.23

CF2

2761

.0

3001

.90.

2644

2650

.30.

0370


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



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


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

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


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



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


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

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


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



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


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

B

kWkJ/kW.hkg/kW.h

S

steam rate =

pressure Mpa(a)


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



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


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

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


CF2

248043

S

0.33

CF2

2753

.4

2992

.40.

3874

2643

.80.

0542


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



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)


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

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


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



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)


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

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


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



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


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


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

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


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



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


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

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


CF2

166247

S

0.23

CF2

2760

.5

3001

.40.

2710

2649

.90.

0379


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



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


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

B

kWkJ/kW.hkg/kW.h

S

steam rate =

pressure Mpa(a)


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



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

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



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)


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

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

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（

%）


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（

%）


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（%）


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（%）


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）

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（

%）

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 Balance Diagram

Documents

Transcript of Heat Balance Diagram