Коэффициент полезно используемой теплоты
Коэффициент полезно используемой теплоты в доменной печи меньше 100% на величину суммы потерь теплоты на охлаждение печи, а также с колошниковым газом и пылью.
ПРИЛОЖЕНИЯ
П.1. Варианты исходных данных
Таблица П.1.1
Параметры работы доменной печи
№ ва
ри ан
та
|
Vn ,
м3
|
Г,
м3/100 кг чуг
|
О2%
|
t ,
°С
|
f ,
%
|
|
Siчуг
%
| Mnчуг
%
|
Sчуг
%
|
|
| 8.2
| 21.0
|
| 2.0
| 1.40
| 0.75
| 0.60
| 0.030
|
|
| 9.0
| 22.0
|
| 1.5
| 1.35
| 0.80
| 0.70
| 0.035
|
|
| 9.2
| 23.2
|
| 1.2
| 1.42
| 0.70
| 0.55
| 0.028
|
|
| 7.0
| 21.0
|
| 2.2
| 1.38
| 0.90
| 0.80
| 0.025
|
|
| 11.0
| 24.0
|
| 1.5
| 1.30
| 0.65
| 0.50
| 0.030
|
|
| 13.0
| 25.0
|
| 2.0
| 1.20
| 0.70
| 0.70
| 0.020
|
|
| 12.0
| 24.5
|
| 1.0
| 1.40
| 0.80
| 0.60
| 0.025
|
|
| 6.0
| 21.0
|
| 2.5
| 1.45
| 0.85
| 0.70
| 0.030
|
|
| 8.0
| 22.5
|
| 2.8
| 1.42
| 0.90
| 0.80
| 0.026
|
|
| 10.0
| 23.0
|
| 2.2
| 1.36
| 0.75
| 0.50
| 0.032
|
|
| 10.5
| 24.2
|
| 1.8
| 1.32
| 0.80
| 0.60
| 0.030
|
|
| 9.5
| 23.5
|
| 1.5
| 1.35
| 0.70
| 0.60
| 0.035
|
|
| 11.0
| 24.0
|
| 1.2
| 1.30
| 0.60
| 0.50
| 0.030
|
|
| 10.0
| 23.0
|
| 1.6
| 1.42
| 0.85
| 0.60
| 0.025
|
|
| 9.0
| 22.0
|
| 1.0
| 1.40
| 0.75
| 0.50
| 0.030
|
|
| 7.0
| 21.0
|
| 2.5
| 1.38
| 0.70
| 0.60
| 0.022
|
|
| 5.0
| 21.0
|
| 3.0
| 1.40
| 0.80
| 0.70
| 0.030
|
|
| 10.5
| 23.0
|
| 2.0
| 1.36
| 0.90
| 0.60
| 0.025
|
|
| 12.0
| 24.5
|
| 1.5
| 1.42
| 0.85
| 0.50
| 0.030
|
|
| 11.5
| 23.5
|
| 2.2
| 1.40
| 0.75
| 0.70
| 0.030
|
|
| 6.5
| 21.0
|
| 2.5
| 1.38
| 0.80
| 0.80
| 0.020
|
|
| 8.5
| 22.0
|
| 2.0
| 1.35
| 0.70
| 0.60
| 0.032
|
|
| 11.0
| 25.0
|
| 1.8
| 1.32
| 0.75
| 0.50
| 0.030
|
|
| 10.0
| 24.0
|
| 1.6
| 1.40
| 0.80
| 0.70
| 0.025
|
|
| 9.5
| 23.0
|
| 2.1
| 1.42
| 0.70
| 0.60
| 0.028
|
|
| 12.5
| 26.0
|
| 2.0
| 1.32
| 0.65
| 0.55
| 0.025
|
|
| 9.0
| 22.0
|
| 1.5
| 1.38
| 0.75
| 0.65
| 0.027
|
|
| 7.5
| 21.0
|
| 1.7
| 1.40
| 0.85
| 0.60
| 0.030
|
|
| 6.0
| 21.0
|
| 2.0
| 1.37
| 0.80
| 0.70
| 0.035
|
|
| 11.5
| 26.0
|
| 2.2
| 1.25
| 0.85
| 0.75
| 0.025
|
Таблица П.1.2
Состав кокса
№
варианта
| С о д е р ж а н и е, %
|
Золы
Ак
|
Серы
Sк
|
Летучих
Vк
| Нелетуч.
углерода
Ск
|
Водорода
Н2 орг
|
Азота
N2 орг
|
Кислорода
О2 орг
|
Влаги
Wк
|
| 9.85
| 1.75
| 1.0
| 87.40
| 0.40
| 0.45
| 0.3
| 3.0
|
| 9.9
| 1.82
| 0.9
| 87.38
| 0.35
| 0.35
| 0.3
| 2.5
|
| 10.1
| 1.76
| 0.8
| 87.34
| 0.41
| 0.48
| 0.3
| 3.2
|
| 10.0
| 1.60
| 1.2
| 87.20
| 0.45
| 0.32
| 0.3
| 2.7
|
| 10.4
| 1.58
| 1.1
| 86.92
| 0.47
| 0.48
| 0.3
| 3.5
|
| 10.2
| 1.72
| 1.1
| 86.98
| 0.38
| 0.34
| 0.3
| 4.0
|
| 10.5
| 1.68
| 0.9
| 86.92
| 0.42
| 0.36
| 0.3
| 4.2
|
| 10.3
| 1.45
| 0.8
| 87.45
| 0.46
| 0.48
| 0.3
| 3.3
|
| 10.4
| 1.70
| 0.7
| 87.20
| 0.51
| 0.42
| 0.3
| 3.0
|
| 9.7
| 1.68
| 1.1
| 87.52
| 0.32
| 0.38
| 0.3
| 2.5
|
| 9.9
| 1.75
| 1.0
| 87.35
| 0.4
| 0.45
| 0.3
| 2.7
|
| 10.0
| 1.38
| 1.2
| 87.42
| 0.52
| 0.49
| 0.3
| 3.7
|
| 10.1
| 1.47
| 1.1
| 87.33
| 0.43
| 0.42
| 0.3
| 2.8
|
| 10.2
| 1.52
| 1.1
| 87.18
| 0.39
| 0.3
| 0.3
| 3.0
|
| 10.4
| 1.58
| 1.0
| 87.02
| 0.43
| 0.44
| 0.3
| 3.5
|
| 10.3
| 1.62
| 1.1
| 86.98
| 0.51
| 0.50
| 0.3
| 4.0
|
| 9.7
| 1.68
| 1.1
| 87.52
| 0.47
| 0.38
| 0.3
| 2.5
|
| 10.5
| 1.72
| 0.8
| 86.98
| 0.51
| 0.50
| 0.3
| 2.6
|
| 9.8
| 1.68
| 0.9
| 87.62
| 0.48
| 0.49
| 0.3
| 2.8
|
| 9.9
| 1.73
| 1.0
| 87.37
| 0.38
| 0.42
| 0.3
| 3.0
|
| 10.1
| 1.76
| 0.9
| 87.24
| 0.41
| 0.43
| 0.3
| 2.4
|
| 10.0
| 1.80
| 0.8
| 87.40
| 0.43
| 0.32
| 0.3
| 2.8
|
| 10.4
| 1.85
| 1.0
| 86.75
| 0.32
| 0.44
| 0.3
| 3.2
|
| 9.5
| 1.70
| 1.1
| 87.70
| 0.42
| 0.43
| 0.3
| 3.5
|
| 9.7
| 1.72
| 1.0
| 87.58
| 0.47
| 0.50
| 0.3
| 3.0
|
| 9.8
| 1.69
| 1.0
| 87.51
| 0.32
| 0.41
| 0.3
| 2.8
|
| 10.0
| 1.70
| 1.0
| 87.30
| 0.40
| 0.41
| 0.3
| 2.5
|
| 10.2
| 1.68
| 1.1
| 87.02
| 0.38
| 0.40
| 0.3
| 3.0
|
| 10.6
| 1.40
| 1.0
| 87.00
| 0.40
| 0.38
| 0.3
| 2.5
|
| 10.0
| 1.65
| 1.1
| 87.25
| 0.36
| 0.40
| 0.3
| 3.0
|
Таблица П.1.3
Состав летучих веществ кокса, %
Варианты
| Н2лк
| СО2лк
| СОлк
| N2лк
|
С 1 по 5
| 25.0
| 9.0
| 54.0
| 12.0
|
С 6 по 10
| 33.6
| 11.3
| 49.3
| 5.8
|
С 11 по 15
| 29.0
| 13.2
| 53.2
| 4.1
|
С 16 по 20
| 39.0
| 6.8
| 47.9
| 6.1
|
С 21 по 25
| 30.8
| 12.4
| 50.3
| 6.5
|
С 26 по 30
| 26.9
| 13.5
| 52.4
| 7.2
|
Таблица П.1.4
Состав золы кокса, %
Варианты
| Feзк
| Mnзк
| SiO2зк
| Al2O3зк
| CaOзк
| MgOзк
|
С1 по 5
| 15.50
| 1.02
| 40.10
| 23.15
| 5.20
| 1.25
|
С6 по 10
| 15.75
| 0.24
| 43.08
| 23.02
| 6.10
| 1.36
|
С11 по15
| 12.10
| 0.40
| 38.50
| 23.00
| 2.65
| 1.80
|
С16 по 20
| 11.74
| 0.36
| 40.00
| 21.10
| 3.33
| 1.95
|
С21 по 25
| 11.96
| 0.62
| 38.88
| 20.56
| 3.33
| 1.91
|
С25 по 30
| 10.85
| 0.54
| 38.66
| 22.66
| 3.02
| 1.97
|
Таблица П.1.5
Состав природного газа, %
Варианты
| СН4г
| С2Н6г
| С3Н8г
| С4Н10г
| С5Н12г
| СО2г
| N2г
|
С1 по 5
| 94.0
| 1.5
| 0.8
| 0.2
| 0.4
| 0.1
| 3.0
|
С6 по 10
| 96.4
| 0.3
| 0.1
| 0.1
| -
| 0.5
| 2.6
|
С11 по 15
| 87.1
| 5.9
| 2.1
| 1.2
| 3.2
| 0.1
| 0.3
|
С16 по 20
| 93.2
| 4.3
| 0.8
| 1.2
| 0.1
| 0.2
| 0.2
|
С 21 по 25
| 91.9
| 4.8
| 0.9
| 0.3
| 0.2
| 0.1
| 1.8
|
С 26 по 30
| 81.8
| 3.8
| 7.7
| 3.7
| 0.1
| 0.1
| 2.8
|
Таблица П.1.6
Состав агломерата, %
№
вари
анта
|
Fe a
| Mn a
|
S a
|
FeO а
|
SiO2 a
|
Al2O3 a
|
CaO a
|
MgO a
|
| 53.0
| 0.21
| 0.080
| 13.2
| 9.1
| 0.9
| 12.6
| 1.6
|
| 54.2
| 0.12
| 0.069
| 10.3
| 8.6
| 1.1
| 12.4
| 1.5
|
| 55.1
| 0.17
| 0.085
| 14.9
| 8.3
| 1.4
| 11.9
| 1.4
|
| 51.2
| 0.09
| 0.058
| 14.1
| 10.2
| 1.0
| 13.8
| 1.6
|
| 53.4
| 0.23
| 0.047
| 10.6
| 8.8
| 1.2
| 11.8
| 3.1
|
| 54.5
| 0.16
| 0.046
| 13.9
| 9.5
| 1.6
| 11.5
| 2.4
|
| 53.2
| 0.13
| 0.033
| 9.6
| 9.3
| 0.8
| 12.6
| 1.9
|
| 50.8
| 0.15
| 0.050
| 14.2
| 9.9
| 0.9
| 15.8
| 2.4
|
| 52.2
| 0.22
| 0.034
| 12.2
| 10.5
| 1.1
| 13.4
| 2.1
|
| 54.4
| 0.14
| 0.088
| 10.6
| 9.1
| 1.0
| 12.5
| 2.0
|
| 51.6
| 0.18
| 0.039
| 11.4
| 9.2
| 1.5
| 13.5
| 1.6
|
| 53.3
| 0.08
| 0.036
| 11.9
| 8.4
| 1.1
| 12.8
| 1.8
|
| 50.1
| 0.12
| 0.053
| 10.8
| 10.1
| 1.2
| 15.2
| 1.2
|
| 54.8
| 0.21
| 0.062
| 12.0
| 7.5
| 1.4
| 10.9
| 1.7
|
| 48.1
| 0.26
| 0.073
| 11.2
| 9.5
| 1.1
| 16.9
| 1.4
|
| 51.2
| 0.13
| 0.061
| 12.0
| 8.7
| 1.0
| 12.9
| 1.5
|
| 55.0
| 0.17
| 0.058
| 11.5
| 6.8
| 0.9
| 11.2
| 1.9
|
| 51.8
| 0.15
| 0.064
| 11.9
| 7.2
| 1.2
| 13.2
| 2.6
|
| 53.0
| 0.09
| 0.042
| 10.7
| 8.5
| 1.1
| 12.8
| 1.7
|
| 54.9
| 0.16
| 0.067
| 12.1
| 7.5
| 1.0
| 11.7
| 1.8
|
| 57.0
| 0.13
| 0.071
| 11.7
| 6.3
| 1.2
| 9.5
| 1.6
|
| 53.2
| 0.21
| 0.054
| 9.9
| 8.6
| 0.9
| 14.4
| 2.9
|
| 53.4
| 0.23
| 0.062
| 11.6
| 8.5
| 1.1
| 12.6
| 2.4
|
| 55.8
| 0.11
| 0.080
| 10.9
| 7.1
| 1.0
| 10.6
| 1.5
|
| 50.3
| 0.14
| 0.062
| 11.2
| 9.7
| 1.3
| 16.9
| 1.3
|
| 48.3
| 0.17
| 0.059
| 13.2
| 9.3
| 1.5
| 17.0
| 1.2
|
| 50.6
| 0.20
| 0.052
| 10.5
| 9.9
| 1.1
| 16.2
| 1.7
|
| 51.8
| 0.07
| 0.040
| 14.1
| 10.4
| 1.0
| 13.9
| 1.9
|
| 50.2
| 0.19
| 0.055
| 12.3
| 10.1
| 1.2
| 16.8
| 2.4
|
| 52.6
| 0.11
| 0.068
| 10.7
| 9.2
| 1.0
| 12.5
| 2.5
|
Таблица П.1.7
Состав окатышей, %
№
вари
анта
|
Fe о
| Mn о
|
S о
|
FeO о
|
SiO2 о
|
Al2O3 о
|
CaO о
|
MgO о
|
| 60.2
| 0.07
| 0.028
| 1.29
| 7.8
| 0.32
| 4.5
| 0.35
|
| 59.8
| 0.16
| 0.036
| 3.19
| 8.8
| 0.28
| 4.6
| 0.42
|
| 61.4
| 0.03
| 0.018
| 1.08
| 7.7
| 0.41
| 3.0
| 0.76
|
| 63.0
| 0.12
| 0.030
| 1.36
| 3.9
| 0.54
| 3.7
| 0.91
|
| 59.1
| 0.04
| 0.021
| 2.34
| 10.1
| 0.27
| 4.8
| 1.09
|
| 60.0
| 0.09
| 0.009
| 3.88
| 12.3
| 0.51
| 0.5
| 0.45
|
| 60.3
| 0.08
| 0.012
| 1.31
| 7.4
| 0.21
| 4.7
| 1.12
|
| 59.6
| 0.11
| 0.031
| 2.45
| 8.6
| 0.20
| 5.1
| 0.62
|
| 63.9
| 0.07
| 0.014
| 1.80
| 4.1
| 0.47
| 2.6
| 0.45
|
| 60.1
| 0.06
| 0.019
| 1.22
| 7.7
| 0.51
| 4.2
| 0.58
|
| 60.2
| 0.12
| 0.027
| 3.21
| 8.4
| 0.22
| 4.6
| 0.71
|
| 60.0
| 0.08
| 0.018
| 1.09
| 7.2
| 0.39
| 4.8
| 0.86
|
| 60.4
| 0.11
| 0.021
| 1.37
| 7.0
| 0.44
| 4.9
| 0.91
|
| 61.2
| 0.09
| 0.016
| 1.91
| 6.9
| 0.50
| 3.9
| 0.49
|
| 60.9
| 0.07
| 0.025
| 3.02
| 8.2
| 0.32
| 4.6
| 0.64
|
| 59.9
| 0.06
| 0.030
| 1.29
| 7.1
| 0.21
| 4.8
| 1.01
|
| 59.7
| 0.04
| 0.022
| 3.36
| 8.1
| 0.32
| 5.2
| 1.21
|
| 59.5
| 0.07
| 0.019
| 0.92
| 9.6
| 0.29
| 4.9
| 1.04
|
| 60.7
| 0.10
| 0.013
| 2.50
| 6.6
| 0.23
| 4.7
| 0.92
|
| 60.1
| 0.09
| 0.026
| 1.72
| 10.2
| 0.41
| 4.8
| 0.74
|
| 60.3
| 0.02
| 0.018
| 1.12
| 7.3
| 0.28
| 4.9
| 0.56
|
| 60.2
| 0.06
| 0.009
| 2.82
| 7.9
| 0.34
| 5.1
| 0.44
|
| 59.6
| 0.09
| 0.016
| 1.87
| 8.4
| 0.42
| 5.2
| 0.53
|
| 59.8
| 0.07
| 0.021
| 3.01
| 8.9
| 0.31
| 4.6
| 0.67
|
| 60.0
| 0.11
| 0.027
| 2.46
| 7.4
| 0.27
| 4.9
| 1.02
|
| 61.1
| 0.08
| 0.016
| 1.38
| 8.2
| 0.22
| 3.6
| 1.11
|
| 59.9
| 0.04
| 0.013
| 1.43
| 7.2
| 0.29
| 5.5
| 0.94
|
| 60.4
| 0.09
| 0.024
| 1.79
| 7.1
| 0.32
| 5.1
| 0.82
|
| 59.7
| 0.10
| 0.011
| 1.54
| 8.7
| 0.36
| 4.8
| 0.62
|
| 59.6
| 0.06
| 0.019
| 1.92
| 8.2
| 0.24
| 5.3
| 0.54
|
Таблица П.1.8
Состав марганцевой руды, %
Варианты
| Mnp
| Fep
| Sp
| SiO2p
| Al2O3p
| CaOp
| MgOp
|
С 1 по 5
| 38.0
| 3.8
| 0.10
| 20.0
| 6.0
| 2.0
| 0.3
|
С 6 по 10
| 40.0
| 1.2
| 0.08
| 22.0
| 3.0
| 1.8
| 1.2
|
С 11 по 15
| 35.0
| 2.8
| 0.20
| 14.1
| 4.5
| 4.1
| 1.5
|
С 16 по 20
| 40.3
| 14.2
| 0.03
| 2.2
| 8.1
| 1.1
| 0.5
|
С 21 по 25
| 50.1
| 3.0
| 0.03
| 2.6
| 2.6
| 0.3
| 0.1
|
С 26 по 30
| 39.2
| 4.0
| 0.05
| 18.5
| 6.2
| 1.9
| 0.4
|
Таблица П.1.9
Вынос из печи в виде пыли кокса, агломерата, окатышей
и марганцевой руды, %
Варианты
| Пк
| Па
| По
| Пр
|
С 1 по 5
| 0.8
| 3.0
| 1.2
| 3.5
|
С 6 по 10
| 1.2
| 2.5
| 0.8
| 2.8
|
С 11 по 15
| 2.0
| 4.0
| 1.6
| 5.5
|
С 16 по 20
| 1.6
| 6.5
| 2.0
| 4.5
|
С 21 по 25
| 1.0
| 5.0
| 1.4
| 3.0
|
С 26 по 30
| 1.5
| 7.0
| 1.0
| 4.0
|
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