公稱直徑DN/mm
|
管程數(shù)
N
|
管子根數(shù)
n
|
中心排管數(shù)
|
管程流通面積/m2
|
計(jì)算換熱面積/m2
|
換熱管長(zhǎng)度L/mm
|
φ25×2
|
φ25×2.5
|
1500
|
2000
|
3000
|
4500
|
6000
|
9000
|
159
|
1
|
11
25
|
3
5
|
0.0038
0.0087
|
0.0035
0.0079
|
1.2
2.7
|
1.6
3.7
|
2.5
5.7
|
—
—
|
—
—
|
—
—
|
273
|
1
2
|
38
32
|
6
7
|
0.0132
0.0065
|
0.0119
0.0050
|
4.2
3.5
|
5.7
4.8
|
8.7
7.3
|
13.1
11.1
|
17.6
14.8
|
—
—
|
325
|
1
2
4
|
57
56
40
|
9
9
9
|
0.0197
0.0097
0.0035
|
0.0179
0.0088
0.0031
|
6.3
6.2
4.4
|
8.5
8.4
6.0
|
13.0
12.7
9.1
|
19.7
19.3
13.8
|
26.4
25.9
18.5
|
—
—
—
|
400
|
1
2
4
|
98
94
76
|
12
11
11
|
0.0339
0.0163
0.0066
|
0.0308
0.0148
0.0060
|
10.8
10.3
8.4
|
14.6
14.0
11.3
|
22.3
21.4
17.3
|
33.8
32.5
26.3
|
45.4
43.5
35.2
|
—
—
—
|
450
|
1
2
4
|
135
126
106
|
13
12
13
|
0.0468
0.0218
0.0092
|
0.0424
0.0198
0.0083
|
14.8
13.9
11.7
|
20.1
18.8
15.8
|
30.7
28.7
24.1
|
46.6
43.5
36.6
|
62.5
58.4
49.1
|
—
—
—
|
500
|
1
2
4
|
174
164
144
|
14
15
15
|
0.0603
0.0284
0.0125
|
0.0546
0.0257
0.0113
|
—
—
—
|
26.0
24.5
21.4
|
39.6
37.3
32.8
|
60.1
56.6
49.7
|
80.6
76.0
66.7
|
—
—
—
|
600
|
1
2
4
6
|
245
232
222
216
|
17
16
17
16
|
0.0849
0.0402
0.0192
0.0125
|
0.0769
0.0364
0.0174
0.0113
|
—
—
—
—
|
36.5
34.6
33.1
32.2
|
55.8
52.8
50.5
49.2
|
84.6
80.1
76.7
76.6
|
113.5
107.5
102.8
100.0
|
—
—
—
—
|
700
|
1
2
4
|
355
342
322
|
21
21
21
|
0.1230
0.0592
0.0279
|
0.1115
0.0537
0.0253
|
—
—
—
|
—
—
—
|
80.0
77.9
73.3
|
122.6
118.1
111.2
|
164.4
158.4
149.1
|
—
—
—
|
800
|
1
2
4
6
|
467
450
442
430
|
23
23
23
24
|
0.1618
0.0779
0.0383
0.0248
|
0.1466
0.0707
0.0347
0.0225
|
—
—
—
—
|
—
—
—
—
|
106.3
102.4
100.6
97.9
|
161.3
155.4
152.7
148.5
|
216.3
208.5
204.7
119.2
|
—
—
—
—
|
900
|
1
2
4
6
|
605
588
554
538
|
27
27
27
26
|
0.2095
0.1018
0.0480
0.0311
|
0.1900
0.0923
0.0435
0.0282
|
—
—
—
—
|
—
—
—
—
|
137.8
133.9
126.6
158.9
|
209.0
203.1
191.4
185.8
|
280.2
272.3
256.6
249.2
|
422.7
410.8
387.1
375.9
|
1000
|
1
2
4
6
|
749
742
710
698
|
30
29
29
30
|
0.2549
0.1285
0.0615
0.0403
|
0.2352
0.1165
0.0557
0.0365
|
—
—
—
—
|
—
—
—
—
|
—
—
—
—
|
258.7
256.3
245.2
241.1
|
346.9
343.7
328.8
323.3
|
523.3
518.4
496.0
487.7
|
1100
|
1
2
4
6
|
931
894
848
830
|
33
33
33
32
|
0.3225
0.1548
0.0734
0.0479
|
0.2923
0.1404
0.0666
0.0434
|
—
—
—
—
|
—
—
—
—
|
—
—
—
—
|
321.6
308.8
292.9
286.7
|
431.2
414.1
392.8
384.4
|
650.4
624.6
592.5
579.9
|
1200
|
1
2
4
6
|
1115
1102
1052
1026
|
37
37
37
36
|
0.3862
0.1908
0.0911
0.0592
|
0.3501
0.1730
0.0826
0.0537
|
—
—
—
—
|
—
—
—
—
|
—
—
—
—
|
385.1
380.6
363.4
354.4
|
516.4
510.4
475.2
475.2
|
779.0
769.0
735.0
716.8
|
