Description:
As a traditional type of heat exchange equipment, shell-and-tube heat exchanger has been applied for ages. It has been extensively applied in many industrial departments, especially in such industries as chemical engineering, petroleum and energy source. Shell-and-tube heat exchanger is composed of many tubes which constitute a tube bundle that serves as the heat transfer surface of heat exchanger. It is hereby also known as tubular heat exchanger.
Material: SUS 304, SUS 316L, Carbon Steel, SMO254 and etc.
Features:
1>Simple structure, easy manufacturing.
2>Large processing quantity (1-2, 000m³ /h).
3>Extensive material selection (carbon steel, stainless steel, copper or other
Metals).
4>Stable and reliable operating state.
5. Strong adaptability (applicable to almost all industries).
6>Adaptability to high temperature and pressure (≤ 800° C; ≤ 6.0Mpa).
System Application Chart of Shell-and-tube Heat
Exchanger:
Advantages:
1>. U-Tube design allows for differential thermal expansion between the shell and the
Tube bundle as well as for individual tubes.
2>. Less costly than floating head or packed floating head designs.
3>. Capable of withstanding thermal shock applications.
4>. Bundle can be removed from one end for cleaning or replacement.
5>. Shell can be inspected and steam or mechanically cleaned.
Limitations:
1>. Because of U-bend, tubes can be cleaned only by chemical means.
2>. No single tube pass or true countercurrent flow is possible.
3>. Draining of tube circuit is difficult when mounted with the vertical position with the head side up.
Applications:
1>. Oil, chemical and water heating applications.
2>. Excellent in steam to liquid applications.
3>. Flammable or toxic liquid in the tube circuit.
4>. Good for high liquids in the tube circuit.
Design a Shell-and-Tube Heat Exchanger need the
Following usage technical parameters:
The following is the shell-and-Tube Heat Exchanger's
Basic parameter table:
(the following table is just for reference only. The active data depends upon your
Working conditions)
| The Heat Exchanger Tube Specifications Φ20 |
| DN |
Quantity of tube pass |
Quantity of heat exchanger tube |
Quantity of center raw tube |
tube pass flow area(m²) |
Heat exchanger area(m²) |
| Tube length(mm) |
| 1500 |
2000 |
3000 |
4500 |
6000 |
| 159 |
1 |
15 |
5 |
0.0030 |
1.4 |
1.9 |
2.8 |
|
|
| 219 |
1 |
33 |
7 |
0.0066 |
3.1 |
4.1 |
6.2 |
|
|
| 273 |
1 |
65 |
9 |
0.0131 |
6.1 |
8.2 |
12.3 |
18.4 |
24.5 |
| 2 |
56 |
8 |
0.0056 |
5.3 |
7.0 |
10.6 |
15.8 |
21.1 |
| 325 |
1 |
99 |
11 |
0.0199 |
9.3 |
12.4 |
18.7 |
28.0 |
37.3 |
| 2 |
88 |
10 |
0.0088 |
8.3 |
11.1 |
16.6 |
24.9 |
33.2 |
| 4 |
68 |
11 |
0.0034 |
6.4 |
8.5 |
12.8 |
19.2 |
25.6 |
| 400 |
1 |
174 |
14 |
0.0350 |
16.4 |
21.9 |
32.8 |
49.2 |
65.8 |
| 2 |
164 |
15 |
0.0165 |
15.5 |
20.6 |
30.9 |
46.4 |
61.8 |
| 4 |
146 |
14 |
0.0073 |
13.8 |
18.3 |
27.5 |
41.3 |
55.0 |
| 450 |
1 |
237 |
17 |
0.0477 |
22.3 |
29.8 |
44.7 |
67.0 |
89.3 |
| 2 |
220 |
16 |
0.0221 |
20.7 |
27.8 |
41.5 |
62.2 |
82.9 |
| 4 |
200 |
16 |
0.0101 |
18.8 |
25.1 |
37.7 |
56.5 |
75.4 |
| 500 |
1 |
275 |
19 |
0.0553 |
|
34.6 |
51.8 |
77.8 |
103.7 |
| 2 |
256 |
18 |
0.0257 |
|
32.2 |
48.3 |
72.4 |
96.5 |
| 4 |
222 |
18 |
0.0112 |
|
27.9 |
41.8 |
62.8 |
83.7 |
| The Heat Exchanger Tube Specifications Φ25 |
| DN |
Quantity of tube pass |
Quantity of heat exchanger tube |
Quantity of center raw tube |
tube pass flow area(m²) |
Heat exchanger area(m²) |
| Tube length(mm) |
| 1500 |
2000 |
3000 |
4500 |
6000 |
| 159 |
1 |
11 |
3 |
0.0038 |
1.3 |
1.7 |
2.6 |
|
|
| 219 |
1 |
25 |
5 |
0.0087 |
2.9 |
3.9 |
5.6 |
|
|
| 273 |
1 |
38 |
6 |
0.0132 |
4.5 |
6.0 |
9.0 |
13.4 |
17.9 |
| 2 |
32 |
7 |
0.0055 |
3.8 |
5.0 |
7.5 |
11.3 |
15.1 |
| 325 |
1 |
57 |
9 |
0.0197 |
6.7 |
9.0 |
13.4 |
20.1 |
26.9 |
| 2 |
56 |
9 |
0.0097 |
6.6 |
8.8 |
13.2 |
19.8 |
26.4 |
| 4 |
40 |
9 |
0.0035 |
4.7 |
6.3 |
9.4 |
14.1 |
18.8 |
| 400 |
1 |
98 |
12 |
0.0339 |
11.5 |
15.4 |
23.1 |
34.6 |
46.2 |
| 2 |
94 |
11 |
0.0163 |
11.1 |
14.8 |
22.1 |
33.2 |
44.3 |
| 4 |
76 |
11 |
0.0066 |
9.0 |
11.9 |
17.9 |
26.9 |
35.8 |
| 450 |
1 |
135 |
13 |
0.0468 |
15.9 |
21.2 |
31.8 |
47.7 |
63.6 |
| 2 |
126 |
12 |
0.0218 |
14.8 |
19.8 |
29.7 |
44.5 |
59.4 |
| 4 |
106 |
13 |
0.0092 |
12.5 |
16.7 |
25.0 |
37.5 |
50.0 |
| 500 |
1 |
174 |
14 |
0.0603 |
|
27.3 |
41.0 |
61.5 |
82.0 |
| 2 |
164 |
15 |
0.0284 |
|
25.8 |
38.6 |
58.0 |
77.3 |
| 4 |
144 |
15 |
0.0125 |
|
22.6 |
33.9 |
50.9 |
67.9 |
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