Fixed Tube sheet Heat Exchanger
Basic Introduction
Fixed tube sheet heat exchanger refers to a shell and tube heat exchanger in which the tube sheets at both ends of the tube bundle are fixedly connected to the shell by welding. GNEE is an excellent heat exchanger company and a supplier and manufacturer of fixed tube sheet heat exchangers. GNEE provides heat exchangers of various materials and models with a wide range of applications.
Product introduction
A fixed tube sheet heat exchanger refers to a shell and tube type heat exchanger in which the tube sheets at both ends of the tube bundle are fixedly connected to the shell by welding. After the tube sheet is welded to the shell, it can also serve as a flange and be connected to the tube box flange with bolts. The structure is simple, and the required shell inner diameter is the smallest under the condition of ensuring equal heat transfer surface.
The fixed tube sheet heat exchanger is an energy-saving equipment for achieving heat transfer between materials. It is a process equipment widely used in the petroleum, chemical, petrochemical, metallurgy, electric power, light industry, food and other industries. With the development of energy-saving technology, the application field continues to expand, and the use of heat exchangers for high-temperature and low-temperature heat recovery has brought significant economic benefits.
Product Structure
The shell and tube exchanger consists of tube sheets at both ends and a shell. Due to its simple structure, it is widely used.
The structural feature of the fixed tube sheet heat exchanger is that a tube bundle is arranged in the shell, and the tubes are fixed to the tube sheets at both ends of the tube bundle by welding or expansion. The tube sheets at both ends are directly welded to the shell, the inlet and outlet pipes of the shell side are directly welded to the shell, the outer circumference of the tube sheet and the head flange are fastened with bolts, the inlet and outlet pipes of the tube side are directly welded to the head, and a number of baffles are arranged in the tube bundle according to the length of the heat exchange tubes.
This heat exchanger can be divided into fixed tube-sheet steam-water heat exchanger, heat exchanger water to water according to the medium.
Product Parameters
|
Nominal pipe diameter |
Number of pipe passes |
Number of pipes |
Heat exchange area |
||||
|
Pipe length(m) |
|||||||
|
1500 |
2000 |
3000 |
4000 |
6000 |
|||
|
159 |
1 |
14 |
1.5/1.62 |
22.17 |
33.27 |
/ |
/ |
|
209 |
1 |
26 |
3/3.00 |
4/4.02 |
6/6.06 |
8/8.1 |
/ |
|
2 |
26 |
3/3.00 |
4/4.02 |
6/6.06 |
8/8.81 |
/ |
|
|
273 |
1 |
44 |
5/5.08 |
7/5.18 |
10/10.26 |
14/13.72 |
21/20.63 |
|
2 |
40 |
5/4.62 |
6/6.19 |
9/9.33 |
12/12.47 |
19/18.76 |
|
|
325 |
1 |
60 |
7/6.93 |
9/9.28 |
14/14.00 |
19/18.71 |
28/28.13 |
|
2 |
56 |
6/6.47 |
9/8.66 |
13/13.05 |
17/17.46 |
36/26.26 |
|
|
400 |
1 |
119 |
14/13.47 |
18/18.41 |
28/27.76 |
37/37.10 |
55/55.8 |
|
2 |
110 |
13/12.70 |
17/17.02 |
26/25.66 |
34/34.20 |
50/51.58 |
|
|
500 |
1 |
185 |
/ |
/ |
45/4.15 |
55/57.68 |
85/86.74 |
|
2 |
180 |
/ |
/ |
40/41.99 |
55/57.68 |
85/86.74 |
|
|
600 |
1 |
269 |
/ |
/ |
60/62.7 |
85/83.88 |
125/126.13 |
|
2 |
266 |
/ |
/ |
60/32.05 |
80/82.94 |
125/14.72 |
|
|
700 |
1 |
379 |
/ |
/ |
90/88.41 |
120/118.17 |
175/177.71 |
|
2 |
358 |
/ |
/ |
85/83.51 |
110/111.62 |
165/167.85 |
|
|
800 |
1 |
511 |
/ |
/ |
120/119.20 |
160/159.16 |
240/239.60 |
|
2 |
488 |
/ |
/ |
115/113.83 |
150/152.16 |
230/228.81 |
|
|
900 |
1 |
649 |
/ |
/ |
150/151.39 |
200/202.36 |
305/304.3 |
|
2 |
630 |
/ |
/ |
145/146.96 |
195/196.44 |
295/295.40 |
|
|
1000 |
1 |
805 |
/ |
/ |
185/187.78 |
250/251.0 |
375/377.45 |
|
2 |
792 |
/ |
/ |
185/184.75 |
245/246.95 |
370/371.36 |
|
Working Principle
In the tube side and shell side of the fixed tube sheet heat exchanger, fluids of different temperatures flow through and heat exchange is completed through heat exchange.
When the temperature difference between the two fluids is large, in order to avoid high temperature difference stress, a compensation ring (expansion joint) is usually added at an appropriate position in the shell side.
When the thermal expansion of the shell and the tube bundle is different, the compensation ring undergoes slow elastic deformation to compensate for the thermal expansion caused by temperature difference stress.
Product Material
Stainless steel; carbon steel; copper; titanium and titanium alloy; nickel-based (monel, Hastelloy), etc.
- The stainless steel fixed tube sheet heat exchanger uses stainless steel material, which makes it have good corrosion resistance and can be used in working conditions with bad environment.
- The carbon steel material contained in the carbon steel heat exchanger makes its structure stable and ensures the safety of the equipment during operation.
- The copper material of the copper shell and tube type heat exchanger has good thermal conductivity, which can improve its heat exchange efficiency.
- Etc.
Product Advantages
- Small bypass seepage;
- Fewer forgings are used, low cost;
- No internal leakage;
- The heat transfer area is 20% to 30% larger than that of the floating head heat exchanger.
Application areas
- Petroleum industry: widely used in heating, cooling and condensing processes
- Chemical industry: it is an important heat transfer equipment in chemical production. The heat exchange are widely used in reactor heating and distillation tower condensation.
- Pharmaceutical industry: used for solution heating and cooling
- Food industry: widely used in sterilization, heating and cooling processes.
