CN214173051U - Anti-leakage structure of shell-and-tube heat exchanger - Google Patents
Anti-leakage structure of shell-and-tube heat exchanger Download PDFInfo
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- CN214173051U CN214173051U CN202120029888.7U CN202120029888U CN214173051U CN 214173051 U CN214173051 U CN 214173051U CN 202120029888 U CN202120029888 U CN 202120029888U CN 214173051 U CN214173051 U CN 214173051U
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- shell
- sealing plate
- baffle plate
- plate
- baffling board
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Abstract
The embodiment of the utility model discloses shell and tube heat exchanger prevents leaking structure, including setting up the baffling board in shell and tube heat exchanger and being used for the closing plate in clearance between sealed baffling board and the shell side barrel, the one end fixed connection of closing plate is in on the baffling board, the part overlap joint that the baffling board was kept away from to the closing plate is to the shell side barrel on, the closing plate is for having elastic closing plate, the length of closing plate is greater than the clearance between baffling board and the shell side barrel, the utility model discloses increase a plurality of elastic sealing plate structure on every baffling board edge, can block the clearance between baffling board and the shell side barrel when the shell side medium flows through the baffling board, and then the effectual clearance that prevents shell side medium flow through baffling board and shell side barrel, accomplish zero leakage in this position of medium, improved the heat exchange efficiency of equipment.
Description
Technical Field
The utility model relates to a shell and tube type heat exchanger seals technical field, concretely relates to shell and tube type heat exchanger's leak protection structure.
Background
The shell-and-tube heat exchanger equipment is widely used in modern factories, and the problem of leakage of partial media through bypass short circuit due to the gap between the baffle plate and the cylinder of the shell-and-tube heat exchanger cannot be effectively exchanged heat, so that the heat exchange efficiency of the equipment is reduced, and meanwhile, if the temperature of the shell-side media is higher, the metal wall of the shell-side cylinder is extremely unevenly distributed due to the fact that the partial media of the shell-side flows through the gap between the baffle plate and the cylinder, so that the shell-side cylinder generates larger temperature difference stress, and the thermal fatigue problem is generated after a long time, thereby affecting the safe operation of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the folded shell-and-tube heat exchanger in the prior art can not effectively exchange heat and produce thermal fatigue, the utility model provides a shell-and-tube heat exchanger prevents structure of leaking.
The utility model discloses a shell and tube heat exchanger prevent structure of leaking, include: the one end fixed connection of closing plate is on the baffling board, and the part overlap joint that the baffling board was kept away from to the closing plate is to the shell side barrel on, and the closing plate is for having elastic closing plate, and the width of the transverse direction of closing plate is greater than the clearance between baffling board and the shell side barrel.
According to the utility model discloses an embodiment: one end of the sealing plate fixedly connected with the baffle plate is welded on the baffle plate.
According to the utility model discloses an embodiment: the sealing plate is fixedly connected to the baffle plate and positioned on the side where the shell-side medium flows in.
According to the utility model discloses an embodiment: one end of the sealing plate, which is positioned on the baffle plate, is arranged on the edge of one side of the baffle plate, which is close to the shell pass cylinder.
According to the utility model discloses an embodiment: the sealing plate is a bent sealing plate, and the sealing plate is bent towards the opposite direction of the flowing direction of the shell-side medium.
According to the utility model discloses an embodiment: the sealing plate comprises a fixing part connected with the baffle plate, an abutting part abutted against the shell pass cylinder and a connecting part connected with the abutting part and the fixing part, the connecting part is bent towards the opposite direction of the shell pass medium flowing direction relative to the fixing part, and the abutting part is bent towards the opposite direction of the shell pass medium flowing direction relative to the connecting part.
According to the utility model discloses an embodiment: the sealing plate is made of corrosion-resistant elastic material.
According to the utility model discloses an embodiment: the sealing plate is made of high-temperature resistant elastic material.
According to the utility model discloses an embodiment: the sealing plate is provided with a plurality of, and a plurality of sealing plate sets gradually along the edge of baffling board.
The utility model discloses one of following beneficial technological effect has: the utility model discloses increase a plurality of elastic sealing plate structures on every baffling plate edge, can block the clearance between baffling plate and the shell side barrel when the shell side medium flows through the baffling plate, and then the clearance of baffling plate and shell side barrel is flowed through to the effectual shell side medium that prevents, accomplish that the medium is zero to leak at this position, the heat exchange efficiency of equipment has been improved, also make the shell side part medium not flow from the clearance of baffling plate and barrel when shell side medium temperature is higher simultaneously, shell side barrel metal wall temperature distribution has been improved, the temperature difference stress that has reduced, guarantee equipment safe operation; meanwhile, the structure is convenient to manufacture and install, and the heat exchanger can be used in various shell-and-tube heat exchangers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an anti-leakage structure of a shell-and-tube heat exchanger according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a baffle plate and a sealing plate of a leak-proof structure of a shell-and-tube heat exchanger according to an embodiment of the present invention;
fig. 3 is a sectional structural view of a-a in fig. 2.
In the figure, 1, a baffle plate; 2. a sealing plate; 3. a shell-side cylinder; 4. a heat exchange pipe; 21. a fixed part; 22. an abutting portion; 23. a connecting portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
According to an aspect of the present invention, the embodiment of the present invention provides a structure of a shell-and-tube heat exchanger for preventing leakage, as shown in fig. 1 to fig. 3, including a plurality of baffle plates 1 for changing the fluid direction, which are horizontally disposed in the shell-and-tube heat exchanger, a heat exchange tube 4 is disposed in the shell-and-tube heat exchanger in the longitudinal direction, the heat exchange tube 4 extends in the longitudinal direction along the main body of the heat exchanger, the two ends of the heat exchange tube 4 are fixed on the tube plate of the longitudinal end of the heat exchanger, and the plurality of baffle plates 1 are disposed on the heat exchange tube 4 at intervals. The sealing plate 2 is arranged between the baffle plate 1 and the shell pass cylinder 3 and used for sealing a gap between the baffle plate 1 and the shell pass cylinder 3. One end of the sealing plate 2 is connected to the baffle plate 1, and the part of the sealing plate 2 far away from the baffle plate 1 is lapped on the shell-side cylinder 3, wherein the sealing plate 2 is made of elastic materials and is the sealing plate 2. The width of the sealing plate 2 in the transverse direction is larger than the gap between the baffle plate 1 and the shell-side cylinder 3.
In one embodiment, as shown in fig. 3, the sealing plate 2 is preferably a bent sealing plate 2, and the bending direction of the sealing plate 2 is a direction opposite to the flow direction of the shell-side medium, where the direction of the arrow in fig. 3 is the flow direction of the shell-side medium. Sealing plate 2 one end is fixed on baffling board 1, and the other end overlap joint is on shell side barrel 3, and when the medium flowed towards baffling board 1, the position of closing plate 2 of flowing through produced pressure to sealing plate 2, and sealing plate 2 produced deformation this moment, made sealing plate 2 and shell side barrel 3 laminate more, with the medium water conservancy diversion to baffling board 1 simultaneously on. It should be noted that, in this embodiment, the sealing plate 2 is provided with a plurality of segments, and the plurality of segments of the sealing plate 2 are sequentially arranged along the circumferential direction of the baffle plate 1, so as to block the gap between the sealing plate 2 and the shell-side cylinder 3.
Specifically, in the present embodiment, as shown in fig. 3, the seal plate 2 includes a fixing portion 21 connected to the baffle plate 1, an abutting portion 22 abutting against the shell-side cylindrical body 3, and a connecting portion 23 connecting the abutting portion 22 and the fixing portion 21, the connecting portion 23 is bent in the opposite direction to the shell-side medium flow direction with respect to the fixing portion 21, and the abutting portion 22 is bent in the opposite direction to the shell-side medium flow direction with respect to the connecting portion 23. Wherein, fixed part 21 is fixed to be set up on baffling board 1, and is concrete, and fixed part 21 adopts the welded mode to weld on baffling board 1 for fix the position of fixed part 21 for baffling board 1, in this embodiment, and the welding position on baffling board 1 is close on the position of shell side barrel 3, and fixed part 21 welds the one side that lies in shell side medium inflow on baffling board 1, guarantees the laminating of the face of fixed part 21 and baffling board 1 contact simultaneously, and then guarantees more stably when the medium strikes closing plate 2.
In the embodiment, the sealing plate 2 is made of a material with corrosion resistance, high temperature resistance and elasticity, such as neoprene and some alloys with good elasticity and high temperature resistance and corrosion resistance.
The structure that the elastic sealing plates 2 are additionally arranged on the edge of each baffle plate 1 can block a gap between the baffle plate 1 and the shell pass cylinder 3 when a shell pass medium flows through the baffle plate 1, so that the shell pass medium is effectively prevented from flowing through the gap between the baffle plate 1 and the shell pass cylinder 3, zero leakage of the medium at the position is realized, the heat exchange efficiency of equipment is improved, meanwhile, part of the shell pass medium does not flow through the gap between the baffle plate 1 and the cylinder when the temperature of the shell pass medium is higher, the metal wall temperature distribution of the shell pass cylinder 3 is improved, the temperature difference stress is reduced, and the safe operation of the equipment is ensured; meanwhile, the structure is convenient to manufacture and install, and the heat exchanger can be used in various shell-and-tube heat exchangers.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of the disclosure of embodiments of the present invention (including the claims) is limited to these examples; within the idea of embodiments of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
The above-described embodiments, particularly any "preferred" embodiments, are possible examples of implementations, and are presented merely for a clear understanding of the principles of the invention. Many variations and modifications may be made to the above-described embodiments without departing from the spirit and principles of the technology described herein. All such modifications are intended to be included within the scope of this disclosure and protected by the following claims.
Claims (10)
1. A leakage-proof structure of a shell-and-tube heat exchanger is characterized in that: comprises that
The heat exchanger comprises a baffle plate (1) arranged in a shell-and-tube heat exchanger and a sealing plate (2) used for sealing a gap between the baffle plate (1) and a shell pass cylinder (3), wherein one end of the sealing plate (2) is fixedly connected to the baffle plate (1), and the part, far away from the baffle plate (1), of the sealing plate (2) is lapped on the shell pass cylinder (3).
2. A leak resistant structure as recited in claim 1 wherein: one end of the sealing plate (2) fixedly connected with the baffle plate (1) is welded on the baffle plate (1).
3. A leak resistant structure as recited in claim 1 wherein: the sealing plate (2) is fixedly connected to one side, in which the shell-side medium flows, of the baffle plate (1).
4. A leakage prevention structure according to claim 3, wherein: one end of the sealing plate (2) positioned on the baffle plate (1) is arranged on the edge of one side of the baffle plate (1) close to the shell pass cylinder (3).
5. A leak resistant structure as recited in claim 1 wherein: the sealing plate (2) is a bendable sealing plate (2), and the sealing plate (2) is bent towards the opposite direction of the flowing direction of the shell-side medium.
6. A leak resistant structure as recited in claim 5 wherein: the sealing plate (2) comprises a fixing part (21) connected with the baffle plate (1), an abutting part (22) abutted against the shell-side cylinder (3) and a connecting part (23) connecting the abutting part (22) and the fixing part (21), the connecting part (23) is bent towards the opposite direction of the shell-side medium flowing direction relative to the fixing part (21), and the abutting part (22) is bent towards the opposite direction of the shell-side medium flowing direction relative to the connecting part (23).
7. A leak resistant structure as recited in claim 1 wherein: the sealing plate (2) is made of an elastic material.
8. A leak prevention structure as defined in claim 7 wherein: the sealing plate (2) is made of a high-temperature corrosion resistant material.
9. A leak resistant structure as recited in claim 1 wherein: the sealing plates (2) are arranged in a plurality, and the sealing plates (2) are sequentially arranged along the edge of the baffle plate (1).
10. Leakage prevention structure according to claim 1, wherein the width of the sealing plate (2) in the transverse direction is larger than the gap between the baffle plate (1) and the shell-side cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120029888.7U CN214173051U (en) | 2021-01-06 | 2021-01-06 | Anti-leakage structure of shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120029888.7U CN214173051U (en) | 2021-01-06 | 2021-01-06 | Anti-leakage structure of shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214173051U true CN214173051U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120029888.7U Active CN214173051U (en) | 2021-01-06 | 2021-01-06 | Anti-leakage structure of shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214173051U (en) |
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2021
- 2021-01-06 CN CN202120029888.7U patent/CN214173051U/en active Active
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