CN216645020U - Heat exchanger with curved arch baffle plate - Google Patents
Heat exchanger with curved arch baffle plate Download PDFInfo
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- CN216645020U CN216645020U CN202123207280.8U CN202123207280U CN216645020U CN 216645020 U CN216645020 U CN 216645020U CN 202123207280 U CN202123207280 U CN 202123207280U CN 216645020 U CN216645020 U CN 216645020U
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- heat exchanger
- side medium
- baffle plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a heat exchanger with curved surface arch baffle plates, which comprises a heat exchanger barrel, a plurality of heat exchange tubes and a plurality of arch baffle plates, wherein the side surfaces of two ends of the heat exchanger barrel are respectively provided with a shell pass medium inlet and a shell pass medium outlet; the arched baffle plates are provided with hole-shaped structures for installing the heat exchange tubes, and the gaps of the arched baffle plates are staggered up and down along the length direction of the heat exchanger cylinder; the arched baffle plates are curved plates, one arched baffle plate closest to the shell pass medium inlet is a reverse-curved baffle plate, the outer convex surface of the reverse-curved baffle plate faces the side of the shell pass medium inlet, the other arched baffle plates are positive-curved baffle plates, and the outer convex surfaces of the positive-curved baffle plates face the side of the shell pass medium outlet; an outlet flow distribution plate is arranged between the tube plate close to the shell side medium outlet and the adjacent positive curved baffle plate. The utility model can reduce dead zones and improve heat exchange efficiency.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger with curved-surface arched baffle plates.
Background
The shell-type heat exchanger is widely applied in the industrial field, the traditional shell-type heat exchanger is additionally provided with the baffle plate, the stroke of a shell side medium is increased through the baffle plate, and the heat exchange effect is improved. The baffle plates are generally divided into arc baffle plates and spiral baffle plates, and flow dead zones are easily generated in the heat exchanger provided with the arc baffle plates, so that the space in the heat exchanger is not fully utilized, and the heat exchange efficiency is low.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the heat exchanger with the curved-surface arched baffle plate, which can reduce the flow dead zone in the heat exchanger and improve the heat exchange efficiency
The technical scheme is as follows: in order to achieve the purpose, the heat exchanger with the curved-surface arched baffle plate comprises a heat exchanger barrel, wherein a plurality of heat exchange tubes and a plurality of arched baffle plates are arranged in the heat exchanger barrel, the side surfaces of two ends of the heat exchanger barrel are respectively provided with a shell side medium inlet and a shell side medium outlet, two ends of the heat exchanger barrel are respectively provided with a tube plate, the outer sides of the two tube plates are respectively provided with end sockets, and a tube side medium inlet and a tube side medium outlet are respectively arranged in the two end sockets; the arched baffle plates are provided with hole-shaped structures for mounting heat exchange tubes, and the gaps of the arched baffle plates are staggered up and down along the length direction of the heat exchanger cylinder; the arched baffle plates are curved plates, one arched baffle plate closest to the shell pass medium inlet is a reverse-curved baffle plate, the outer convex surface of the reverse-curved baffle plate faces the side of the shell pass medium inlet, the other arched baffle plates are positive-curved baffle plates, and the outer convex surfaces of the positive-curved baffle plates face the side of the shell pass medium outlet; an outlet flow distribution plate is arranged between the tube plate close to the shell pass medium outlet and the adjacent positive curved baffle plate, the outlet flow distribution plate is a curved plate, and the outer convex surface of the outlet flow distribution plate faces the same direction as the positive curved baffle plate; the upper end and the lower end of the outlet flow distribution plate are both provided with notches, and the outlet flow distribution plate is also provided with a porous structure for mounting a heat exchange tube.
Furthermore, an inlet flow distribution plate is arranged between the positive curved baffle plate and the adjacent tube plate, notches are arranged at the upper end and the lower end of the inlet flow distribution plate, one end, facing the shell side medium inlet, of the inlet flow distribution plate is a straight plate section, one end, far away from the shell side medium inlet, of the inlet flow distribution plate is a curved plate section, and the direction of the outer convex surface of the curved plate section is the same as that of the reverse curved baffle plate.
Further, the end part of the straight plate section is opposite to the shell side medium inlet, and the end part is arc-shaped.
Furthermore, a gap at one end of the inlet splitter plate, which is far away from the shell side medium inlet, is smaller than a gap of the recurved baffle plate.
Further, a gap at one end of the outlet splitter plate, which is far away from the shell side medium outlet, is smaller than a gap of the positive curved baffle plate.
Furthermore, the curved surfaces at the two sides of the arched baffle plate are circular arc surfaces which are concentrically arranged.
Has the advantages that: the heat exchanger with the curved-surface arched baffle plate optimizes the flow channel structure in the heat exchanger by arranging the positive-curve baffle plate, the negative-curve baffle plate, the inlet splitter plate and the outlet splitter plate, reduces the flow dead zone and improves the heat exchange efficiency.
Drawings
Fig. 1 is a schematic structural view of a heat exchanger according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The heat exchanger with the curved-surface arched baffle plate as shown in the attached figure 1 comprises a heat exchanger barrel 1, wherein a plurality of heat exchange tubes 2 and a plurality of arched baffle plates 3 are arranged in the heat exchanger barrel 1, shell-side medium inlets 4 and shell-side medium outlets 5 are respectively arranged on the side surfaces of two ends of the heat exchanger barrel 1, tube plates 6 are respectively arranged at two ends of the heat exchanger barrel 1, end sockets 7 are respectively arranged on the outer sides of the two tube plates 6, and tube-side medium inlets 8 and tube-side medium outlets 9 are respectively arranged in the two end sockets 7. The arched baffle plates 3 are provided with hole-shaped structures for installing the heat exchange tubes 2, gaps of the arched baffle plates 3 are arranged in a vertically staggered mode along the length direction of the heat exchanger cylinder 1, and shell side media flow in a roundabout mode when passing through the arched baffle plates 3.
The arched baffle plates 3 are curved plates, one arched baffle plate 3 closest to the shell side medium inlet 4 is a reverse-curved baffle plate 12, the outer convex surface of the reverse-curved baffle plate 12 faces the side of the shell side medium inlet 4, the other arched baffle plates 3 are positive-curved baffle plates 13, and the outer convex surfaces of the positive-curved baffle plates 13 face the side of the shell side medium outlet 5. An outlet flow distribution plate 14 is arranged between the tube plate 6 close to the shell side medium outlet 5 and the adjacent positive curved baffle 13, the outlet flow distribution plate 14 is a curved plate, and the outer convex surface of the outlet flow distribution plate 14 faces the same direction as the positive curved baffle 13. The upper end and the lower end of the outlet flow distribution plate 14 are both provided with notches, and the outlet flow distribution plate 14 is also provided with a porous structure for mounting the heat exchange tube 2.
The arcuate baffles 3 are curved plates to reduce dead flow areas between the baffles, but still between the baffles and the two tube sheets 6. As shown in fig. 1, when the outlet splitter plate 14 is not provided, a flow dead zone may occur between the upper end of the rightmost positive curved baffle plate 13 and the shell-side medium outlet 5, and the outlet splitter plate 14 may guide the shell-side medium to the upper end of the positive curved baffle plate 13, so as to reduce the flow dead zone, and the upper and lower ends of the outlet splitter plate 14 are both provided with notches, so that a new flow dead zone may not be generated at the upper and lower ends of the outlet splitter plate 14.
An inlet splitter plate 11 is arranged between the positive curved baffle plate 13 and the adjacent tube plate 6, notches are arranged at the upper end and the lower end of the inlet splitter plate 11, a straight plate section 15 is arranged at one end, facing the shell side medium inlet 4, of the inlet splitter plate 11, a curved plate section 16 is arranged at one end, far away from the shell side medium inlet 4, of the inlet splitter plate 11, and the outer convex surface of the curved plate section 16 faces the reverse curved baffle plate 12. As shown in fig. 1, the inlet manifold 11 is not provided, and a dead flow area is generated at the upper end of the left tube sheet 6, while the inlet manifold 11 is provided to guide the shell-side medium to the upper end of the left tube sheet 6, thereby reducing the dead flow area. The upper end and the lower end of the inlet splitter plate 11 are provided with notches, and new flowing dead zones cannot be generated at the upper end and the lower end of the inlet splitter plate 11.
The end part of the straight plate section 15 is opposite to the shell side medium inlet 4, and the end part is arc-shaped, so that the inlet flow distribution plate 11 has a better flow distribution effect on the shell side medium.
The gap of one end of the inlet flow distribution plate 11, which is far away from the shell-side medium inlet 4, is smaller than the gap of the recurved baffle plate 12, so that the shell-side medium can be better guided to the upper end of the left tube plate 6.
Furthermore, a gap at one end of the outlet flow distribution plate 14, which is far away from the shell-side medium outlet 5, is smaller than a gap of the positive-curved baffle plate 13, so that the shell-side medium can be guided to the lower end of the right tube plate 6, and the flow dead zone at the lower end of the right tube plate 6 is reduced.
The curved surfaces at the two sides of the arched baffle plate 3 are concentrically arranged arc surfaces, and the guide effect on the medium fluid is good.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The heat exchanger with the curved arch baffle plate is characterized in that: the heat exchanger comprises a heat exchanger barrel (1), wherein a plurality of heat exchange tubes (2) and a plurality of bow-shaped baffle plates (3) are arranged in the heat exchanger barrel (1), the side surfaces of two ends of the heat exchanger barrel (1) are respectively provided with a shell side medium inlet (4) and a shell side medium outlet (5), two ends of the heat exchanger barrel (1) are respectively provided with a tube plate (6), the outer sides of the two tube plates (6) are respectively provided with an end socket (7), and a tube side medium inlet (8) and a tube side medium outlet (9) are respectively arranged in the two end sockets (7);
the arched baffle plates (3) are provided with hole-shaped structures for installing the heat exchange tubes (2), and the gaps of the arched baffle plates (3) are staggered up and down along the length direction of the heat exchanger cylinder (1); the arched baffle plates (3) are curved plates, one arched baffle plate (3) closest to the shell side medium inlet (4) is a reverse-curved baffle plate (12), the outer convex surface of the reverse-curved baffle plate (12) faces the side where the shell side medium inlet (4) is located, the other arched baffle plates (3) are forward-curved baffle plates (13), and the outer convex surfaces of the forward-curved baffle plates (13) face the side where the shell side medium outlet (5) is located;
an outlet flow distribution plate (14) is arranged between the tube plate (6) close to the shell side medium outlet (5) and the adjacent positive curved baffle plate (13), the outlet flow distribution plate (14) is a curved plate, and the direction of the outer convex surface of the outlet flow distribution plate (14) is the same as that of the positive curved baffle plate (13); the upper end and the lower end of the outlet flow distribution plate (14) are both provided with notches, and the outlet flow distribution plate (14) is also provided with a hole-shaped structure for installing the heat exchange tube (2).
2. The heat exchanger with curved arcuate baffles of claim 1, wherein: an inlet flow distribution plate (11) is arranged between the positive curved baffle plate (13) and the adjacent tube plate (6), notches are arranged at the upper end and the lower end of the inlet flow distribution plate (11), one end, facing the shell side medium inlet (4), of the inlet flow distribution plate (11) is a straight plate section (15), one end, far away from the shell side medium inlet (4), of the inlet flow distribution plate (11) is a curved plate section (16), and the direction of the outer convex surface of the curved plate section (16) is the same as that of the reverse curved baffle plate (12).
3. The heat exchanger with curved arcuate baffles of claim 2, wherein: the end part of the straight plate section (15) is opposite to the shell side medium inlet (4) and is arc-shaped.
4. The heat exchanger with curved arcuate baffles of claim 3, wherein: and a notch at one end of the inlet splitter plate (11), which is far away from the shell side medium inlet (4), is smaller than a notch of the recurved baffle plate (12).
5. The heat exchanger with curved arcuate baffles of claim 4, wherein: and a notch at one end of the outlet splitter plate (14), which is far away from the shell side medium outlet (5), is smaller than a notch of the positive curved baffle plate (13).
6. The heat exchanger with curved arcuate baffles of claim 5, wherein: the curved surfaces on the two sides of the arched baffle plate (3) are circular arc surfaces which are concentrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123207280.8U CN216645020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger with curved arch baffle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123207280.8U CN216645020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger with curved arch baffle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645020U true CN216645020U (en) | 2022-05-31 |
Family
ID=81740690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123207280.8U Active CN216645020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger with curved arch baffle plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645020U (en) |
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2021
- 2021-12-20 CN CN202123207280.8U patent/CN216645020U/en active Active
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