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Heat Exchanger

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Tubular heat exchanger

The tubes of the tube-and-tube heat exchanger can be ordinary carbon steel tubes, stainless steel tubes, aluminum tubes or copper tubes. The heat exchanger is exposed to water and organic impurities for a long time during the working process, and the tube is corroded seriously. The use of stainless steel tube can effectively prevent corrosion, the tube wall is not easy to scale, easy to clean, the heat transfer coefficient is higher, and the extension of the service life also makes up for the disadvantage of higher price. For condensers of the same area, the difference in tube material and cooling medium flow rate has a significant impact on the heat transfer coefficient.

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Nominal diameter
Number of tubes
Number of tubes
Heat exchange area   nominal value/calculated value
The cross-sectional area of the tube pass   the flow rate of the tube pass is0.5m/secTime flowm/hr
Tube length(m)
Carbon steel pipeφ25×2.5
1500
2000
3000
4000
stainless steel pipeφ25×2
159
13
1.5/1.62
2./2.17
3/3.27
 
0.0044/0.0049
7.92/8.82
219
26
3/3.00
4/4.02
6/6.06
8/8.11
0.0082/0.0090
14.76/16.20
 
26
3/3.00
4/4.02
6/6.06
8/8.11
0.0041/0.0045
7.38/8.10
273
44
5/5.08
7/6.18
10/10.26
14/13.72
0.0138/0.0152
24.84/27.36
 
40
5/4.62
6/6.19
9/9.33
12/12.47
0.0063/0.0069
11.34/12.42
325
60
7/6.93
9/9.28
14/14.00
19/18.71
0.0188/0.0208
33.84/37.44
 
56
6/6.47
9/8.66
13/13.06
17/17.46
0.0088/0.0097
15.84/17.46
400
119
14/13.74
18/18.41
28/27.76
37/37.10
0.0374/0.0412
67.32/74.16
 
110
13/12.70
17/17.02
26/25.66
34/34.20
0.0173/0.0190
31.14/34.20
500
185
  
45/4.15
55/57.68
0.0581/0.0641
104.58/115.38
 
180
  
40/41.99
55/57.68
0.0283/0.0312
50.94/56.16
600
169
  
60/62.7
85/83.88
0.0845/0.0932
152.10/167.76
 
266
  
60/62.05
80/82.94
0.0418/0.0461
75.24/82.98
700
379
  
90/88.41
120/118.17
0.0091/0.1313
214.38/236.34
 
358
  
85/83.51
110/111.62
0.562/0.0620
101.16/111.60
800
511
  
120/119.20
160/159.16
0.1605/0.1770
288.90/318.60
 
488
  
115/113.83
150/152.16
0.0767/0.0845
138.06/152.10
900
649
  
150/151.39
200/202.36
0.2039/0.2248
367.02/404.46
 
630
  
145/146.96
195/196.44
0.0990/0.1091
178.20/196.38
1000
805
  
185/187.78
250/251.00
0.2529/0.2788
455.22/501.84
 
792
  
185/184.75
245/246.95
0.1244/0.1374
233.92/246.96

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Weihai Zhengwei Machinery Equipment Co., Ltd

Sales Department 1 Phone:0631-5382662
Sales Department 2 Phone:0631-5382771
Fax:0631-5385819
Add:Zaobu Industrial Park, Gushan Town, Weihai Economic and Technological Development Zone
E-mail:13562139566@whzhengweihj.com

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