7.4. 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 % |
1 |
1033 |
8.2 |
21.0 |
1020 |
2.0 |
1.40 |
0.75 |
0.60 |
0.030 |
2 |
1386 |
9.0 |
22.0 |
950 |
1.5 |
1.35 |
0.80 |
0.70 |
0.035 |
3 |
2000 |
9.2 |
23.2 |
900 |
1.2 |
1.42 |
0.70 |
0.55 |
0.028 |
4 |
1719 |
7.0 |
21.0 |
1050 |
2.2 |
1.38 |
0.90 |
0.80 |
0.025 |
5 |
2700 |
11.0 |
24.0 |
1150 |
1.5 |
1.30 |
0.65 |
0.50 |
0.030 |
6 |
3200 |
13.0 |
25.0 |
1200 |
2.0 |
1.20 |
0.70 |
0.70 |
0.020 |
7 |
5034 |
12.0 |
24.5 |
1100 |
1.0 |
1.40 |
0.80 |
0.60 |
0.025 |
8 |
1033 |
6.0 |
21.0 |
900 |
2.5 |
1.45 |
0.85 |
0.70 |
0.030 |
9 |
1380 |
8.0 |
22.5 |
1000 |
2.8 |
1.42 |
0.90 |
0.80 |
0.026 |
10 |
1719 |
10.0 |
23.0 |
950 |
2.2 |
1.36 |
0.75 |
0.50 |
0.032 |
11 |
2000 |
10.5 |
24.2 |
1150 |
1.8 |
1.32 |
0.80 |
0.60 |
0.030 |
12 |
2700 |
9.5 |
23.5 |
1050 |
1.5 |
1.35 |
0.70 |
0.60 |
0.035 |
13 |
3200 |
11.0 |
24.0 |
1000 |
1.2 |
1.30 |
0.60 |
0.50 |
0.030 |
14 |
5034 |
10.0 |
23.0 |
1100 |
1.6 |
1.42 |
0.85 |
0.60 |
0.025 |
15 |
1033 |
9.0 |
22.0 |
950 |
1.0 |
1.40 |
0.75 |
0.50 |
0.030 |
16 |
1386 |
7.0 |
21.0 |
850 |
2.5 |
1.38 |
0.70 |
0.60 |
0.022 |
17 |
1719 |
5.0 |
21.0 |
800 |
3.0 |
1.40 |
0.80 |
0.70 |
0.030 |
18 |
2700 |
10.5 |
23.0 |
1050 |
2.0 |
1.36 |
0.90 |
0.60 |
0.025 |
19 |
3200 |
12.0 |
24.5 |
1100 |
1.5 |
1.42 |
0.85 |
0.50 |
0.030 |
20 |
5034 |
11.5 |
23.5 |
1150 |
2.2 |
1.40 |
0.75 |
0.70 |
0.030 |
21 |
1033 |
6.5 |
21.0 |
900 |
2.5 |
1.38 |
0.80 |
0.80 |
0.020 |
22 |
1386 |
8.5 |
22.0 |
950 |
2.0 |
1.35 |
0.70 |
0.60 |
0.032 |
23 |
2000 |
11.0 |
25.0 |
900 |
1.8 |
1.32 |
0.75 |
0.50 |
0.030 |
24 |
1719 |
10.0 |
24.0 |
1000 |
1.6 |
1.40 |
0.80 |
0.70 |
0.025 |
25 |
2700 |
9.5 |
23.0 |
980 |
2.1 |
1.42 |
0.70 |
0.60 |
0.028 |
26 |
3200 |
12.5 |
26.0 |
1200 |
2.0 |
1.32 |
0.65 |
0.55 |
0.025 |
27 |
5034 |
9.0 |
22.0 |
1050 |
1.5 |
1.38 |
0.75 |
0.65 |
0.027 |
28 |
1033 |
7.5 |
21.0 |
850 |
1.7 |
1.40 |
0.85 |
0.60 |
0.030 |
29 |
1386 |
6.0 |
21.0 |
800 |
2.0 |
1.37 |
0.80 |
0.70 |
0.035 |
30 |
2000 |
11.5 |
26.0 |
950 |
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 |
|
1 |
9.85 |
1.75 |
1.0 |
87.40 |
0.40 |
0.45 |
0.3 |
3.0 |
2 |
9.9 |
1.82 |
0.9 |
87.38 |
0.35 |
0.35 |
0.3 |
2.5 |
3 |
10.1 |
1.76 |
0.8 |
87.34 |
0.41 |
0.48 |
0.3 |
3.2 |
4 |
10.0 |
1.60 |
1.2 |
87.20 |
0.45 |
0.32 |
0.3 |
2.7 |
5 |
10.4 |
1.58 |
1.1 |
86.92 |
0.47 |
0.48 |
0.3 |
3.5 |
6 |
10.2 |
1.72 |
1.1 |
86.98 |
0.38 |
0.34 |
0.3 |
4.0 |
7 |
10.5 |
1.68 |
0.9 |
86.92 |
0.42 |
0.36 |
0.3 |
4.2 |
8 |
10.3 |
1.45 |
0.8 |
87.45 |
0.46 |
0.48 |
0.3 |
3.3 |
9 |
10.4 |
1.70 |
0.7 |
87.20 |
0.51 |
0.42 |
0.3 |
3.0 |
10 |
9.7 |
1.68 |
1.1 |
87.52 |
0.32 |
0.38 |
0.3 |
2.5 |
11 |
9.9 |
1.75 |
1.0 |
87.35 |
0.4 |
0.45 |
0.3 |
2.7 |
12 |
10.0 |
1.38 |
1.2 |
87.42 |
0.52 |
0.49 |
0.3 |
3.7 |
13 |
10.1 |
1.47 |
1.1 |
87.33 |
0.43 |
0.42 |
0.3 |
2.8 |
14 |
10.2 |
1.52 |
1.1 |
87.18 |
0.39 |
0.3 |
0.3 |
3.0 |
15 |
10.4 |
1.58 |
1.0 |
87.02 |
0.43 |
0.44 |
0.3 |
3.5 |
16 |
10.3 |
1.62 |
1.1 |
86.98 |
0.51 |
0.50 |
0.3 |
4.0 |
17 |
9.7 |
1.68 |
1.1 |
87.52 |
0.47 |
0.38 |
0.3 |
2.5 |
18 |
10.5 |
1.72 |
0.8 |
86.98 |
0.51 |
0.50 |
0.3 |
2.6 |
19 |
9.8 |
1.68 |
0.9 |
87.62 |
0.48 |
0.49 |
0.3 |
2.8 |
20 |
9.9 |
1.73 |
1.0 |
87.37 |
0.38 |
0.42 |
0.3 |
3.0 |
21 |
10.1 |
1.76 |
0.9 |
87.24 |
0.41 |
0.43 |
0.3 |
2.4 |
22 |
10.0 |
1.80 |
0.8 |
87.40 |
0.43 |
0.32 |
0.3 |
2.8 |
23 |
10.4 |
1.85 |
1.0 |
86.75 |
0.32 |
0.44 |
0.3 |
3.2 |
24 |
9.5 |
1.70 |
1.1 |
87.70 |
0.42 |
0.43 |
0.3 |
3.5 |
25 |
9.7 |
1.72 |
1.0 |
87.58 |
0.47 |
0.50 |
0.3 |
3.0 |
26 |
9.8 |
1.69 |
1.0 |
87.51 |
0.32 |
0.41 |
0.3 |
2.8 |
27 |
10.0 |
1.70 |
1.0 |
87.30 |
0.40 |
0.41 |
0.3 |
2.5 |
28 |
10.2 |
1.68 |
1.1 |
87.02 |
0.38 |
0.40 |
0.3 |
3.0 |
29 |
10.6 |
1.40 |
1.0 |
87.00 |
0.40 |
0.38 |
0.3 |
2.5 |
30 |
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 |
1 |
53.0 |
0.21 |
0.080 |
13.2 |
9.1 |
0.9 |
12.6 |
1.6 |
2 |
54.2 |
0.12 |
0.069 |
10.3 |
8.6 |
1.1 |
12.4 |
1.5 |
3 |
55.1 |
0.17 |
0.085 |
14.9 |
8.3 |
1.4 |
11.9 |
1.4 |
4 |
51.2 |
0.09 |
0.058 |
14.1 |
10.2 |
1.0 |
13.8 |
1.6 |
5 |
53.4 |
0.23 |
0.047 |
10.6 |
8.8 |
1.2 |
11.8 |
3.1 |
6 |
54.5 |
0.16 |
0.046 |
13.9 |
9.5 |
1.6 |
11.5 |
2.4 |
7 |
53.2 |
0.13 |
0.033 |
9.6 |
9.3 |
0.8 |
12.6 |
1.9 |
8 |
50.8 |
0.15 |
0.050 |
14.2 |
9.9 |
0.9 |
15.8 |
2.4 |
9 |
52.2 |
0.22 |
0.034 |
12.2 |
10.5 |
1.1 |
13.4 |
2.1 |
10 |
54.4 |
0.14 |
0.088 |
10.6 |
9.1 |
1.0 |
12.5 |
2.0 |
11 |
51.6 |
0.18 |
0.039 |
11.4 |
9.2 |
1.5 |
13.5 |
1.6 |
12 |
53.3 |
0.08 |
0.036 |
11.9 |
8.4 |
1.1 |
12.8 |
1.8 |
13 |
50.1 |
0.12 |
0.053 |
10.8 |
10.1 |
1.2 |
15.2 |
1.2 |
14 |
54.8 |
0.21 |
0.062 |
12.0 |
7.5 |
1.4 |
10.9 |
1.7 |
15 |
48.1 |
0.26 |
0.073 |
11.2 |
9.5 |
1.1 |
16.9 |
1.4 |
16 |
51.2 |
0.13 |
0.061 |
12.0 |
8.7 |
1.0 |
12.9 |
1.5 |
17 |
55.0 |
0.17 |
0.058 |
11.5 |
6.8 |
0.9 |
11.2 |
1.9 |
18 |
51.8 |
0.15 |
0.064 |
11.9 |
7.2 |
1.2 |
13.2 |
2.6 |
19 |
53.0 |
0.09 |
0.042 |
10.7 |
8.5 |
1.1 |
12.8 |
1.7 |
20 |
54.9 |
0.16 |
0.067 |
12.1 |
7.5 |
1.0 |
11.7 |
1.8 |
21 |
57.0 |
0.13 |
0.071 |
11.7 |
6.3 |
1.2 |
9.5 |
1.6 |
22 |
53.2 |
0.21 |
0.054 |
9.9 |
8.6 |
0.9 |
14.4 |
2.9 |
23 |
53.4 |
0.23 |
0.062 |
11.6 |
8.5 |
1.1 |
12.6 |
2.4 |
24 |
55.8 |
0.11 |
0.080 |
10.9 |
7.1 |
1.0 |
10.6 |
1.5 |
25 |
50.3 |
0.14 |
0.062 |
11.2 |
9.7 |
1.3 |
16.9 |
1.3 |
26 |
48.3 |
0.17 |
0.059 |
13.2 |
9.3 |
1.5 |
17.0 |
1.2 |
27 |
50.6 |
0.20 |
0.052 |
10.5 |
9.9 |
1.1 |
16.2 |
1.7 |
28 |
51.8 |
0.07 |
0.040 |
14.1 |
10.4 |
1.0 |
13.9 |
1.9 |
29 |
50.2 |
0.19 |
0.055 |
12.3 |
10.1 |
1.2 |
16.8 |
2.4 |
30 |
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 |
1 |
60.2 |
0.07 |
0.028 |
1.29 |
7.8 |
0.32 |
4.5 |
0.35 |
2 |
59.8 |
0.16 |
0.036 |
3.19 |
8.8 |
0.28 |
4.6 |
0.42 |
3 |
61.4 |
0.03 |
0.018 |
1.08 |
7.7 |
0.41 |
3.0 |
0.76 |
4 |
63.0 |
0.12 |
0.030 |
1.36 |
3.9 |
0.54 |
3.7 |
0.91 |
5 |
59.1 |
0.04 |
0.021 |
2.34 |
10.1 |
0.27 |
4.8 |
1.09 |
6 |
60.0 |
0.09 |
0.009 |
3.88 |
12.3 |
0.51 |
0.5 |
0.45 |
7 |
60.3 |
0.08 |
0.012 |
1.31 |
7.4 |
0.21 |
4.7 |
1.12 |
8 |
59.6 |
0.11 |
0.031 |
2.45 |
8.6 |
0.20 |
5.1 |
0.62 |
9 |
63.9 |
0.07 |
0.014 |
1.80 |
4.1 |
0.47 |
2.6 |
0.45 |
10 |
60.1 |
0.06 |
0.019 |
1.22 |
7.7 |
0.51 |
4.2 |
0.58 |
11 |
60.2 |
0.12 |
0.027 |
3.21 |
8.4 |
0.22 |
4.6 |
0.71 |
12 |
60.0 |
0.08 |
0.018 |
1.09 |
7.2 |
0.39 |
4.8 |
0.86 |
13 |
60.4 |
0.11 |
0.021 |
1.37 |
7.0 |
0.44 |
4.9 |
0.91 |
14 |
61.2 |
0.09 |
0.016 |
1.91 |
6.9 |
0.50 |
3.9 |
0.49 |
15 |
60.9 |
0.07 |
0.025 |
3.02 |
8.2 |
0.32 |
4.6 |
0.64 |
16 |
59.9 |
0.06 |
0.030 |
1.29 |
7.1 |
0.21 |
4.8 |
1.01 |
17 |
59.7 |
0.04 |
0.022 |
3.36 |
8.1 |
0.32 |
5.2 |
1.21 |
18 |
59.5 |
0.07 |
0.019 |
0.92 |
9.6 |
0.29 |
4.9 |
1.04 |
19 |
60.7 |
0.10 |
0.013 |
2.50 |
6.6 |
0.23 |
4.7 |
0.92 |
20 |
60.1 |
0.09 |
0.026 |
1.72 |
10.2 |
0.41 |
4.8 |
0.74 |
21 |
60.3 |
0.02 |
0.018 |
1.12 |
7.3 |
0.28 |
4.9 |
0.56 |
22 |
60.2 |
0.06 |
0.009 |
2.82 |
7.9 |
0.34 |
5.1 |
0.44 |
23 |
59.6 |
0.09 |
0.016 |
1.87 |
8.4 |
0.42 |
5.2 |
0.53 |
24 |
59.8 |
0.07 |
0.021 |
3.01 |
8.9 |
0.31 |
4.6 |
0.67 |
25 |
60.0 |
0.11 |
0.027 |
2.46 |
7.4 |
0.27 |
4.9 |
1.02 |
26 |
61.1 |
0.08 |
0.016 |
1.38 |
8.2 |
0.22 |
3.6 |
1.11 |
27 |
59.9 |
0.04 |
0.013 |
1.43 |
7.2 |
0.29 |
5.5 |
0.94 |
28 |
60.4 |
0.09 |
0.024 |
1.79 |
7.1 |
0.32 |
5.1 |
0.82 |
29 |
59.7 |
0.10 |
0.011 |
1.54 |
8.7 |
0.36 |
4.8 |
0.62 |
30 |
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 |