CN209978658U - Shell and tube heat exchanger and air conditioning unit - Google Patents
Shell and tube heat exchanger and air conditioning unit Download PDFInfo
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- CN209978658U CN209978658U CN201920649336.9U CN201920649336U CN209978658U CN 209978658 U CN209978658 U CN 209978658U CN 201920649336 U CN201920649336 U CN 201920649336U CN 209978658 U CN209978658 U CN 209978658U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 57
- 239000003507 refrigerant Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000035622 drinking Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The application provides a shell and tube heat exchanger and air conditioning unit. The shell and tube heat exchanger comprises a shell (1) and a baffle plate arranged in the shell (1), wherein the baffle plate comprises a first baffle plate (2) and a second baffle plate (3), the first baffle plate (2) and the second baffle plate (3) are alternately arranged on the upper side and the lower side of the shell (1) along the axial direction of the shell (1) to form an S-shaped flow path, the first baffle plate (2) comprises a first inclined section (4) connected to the shell (1), the second baffle plate (3) comprises a second inclined section (5) connected to the shell (1), and the first inclined section (4) and/or the second inclined section (5) are obliquely arranged relative to the central axis of the shell (1). According to the shell and tube heat exchanger of this application, not only the cost is lower, and the heat transfer is respond well moreover.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to a shell and tube heat exchanger and an air conditioning unit.
Background
At present, some air conditioning units adopting shell and tube heat exchangers have the phenomenon of fluorine leakage caused by freezing shell and tubes from time to time, and the problems in the aspect of unit control are solved, most of the reasons are that the process is not standard, the flow dead zone of the traditional baffle plate structure is large, and meanwhile, along with the continuous development of the refrigeration technology, the structure in the shell and tube also has a lot of innovation and change.
The common shell and tube evaporator baffle plate is divided into an arched vertical baffle plate and a spiral baffle plate, the common arched vertical baffle plate is the most common, but the characteristic of a vertical structure of the common arched vertical baffle plate causes large turning-back resistance, a large number of flow dead zones are provided, the heat exchange efficiency is relatively low, and although the heat exchange efficiency of the spiral baffle plate is higher, the complexity and the cost of the process are relatively too high, so that the market competitiveness of the product is not facilitated. Therefore, the difficulty in the technical improvement aspect of the shell and tube heat exchanger is formed by finding a structure which has relatively low cost and better heat exchange effect than that of the common arched structure.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem that this application will be solved lies in providing a shell and tube heat exchanger and air conditioning unit, and not only the cost is lower, and the heat transfer is respond well moreover.
In order to solve the above problems, the present application provides a shell-and-tube heat exchanger including a shell and a baffle plate disposed in the shell, wherein the baffle plate includes a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate are alternately disposed on upper and lower sides of the shell along an axial direction of the shell to form an S-shaped flow path, the first baffle plate includes a first inclined section connected to the shell, the second baffle plate includes a second inclined section connected to the shell, and the first inclined section and/or the second inclined section are disposed to be inclined with respect to a central axis of the shell.
Preferably, the shell is provided with an inlet and an outlet, the baffle plate is a plurality of baffle plates, and the plurality of baffle plates are arranged between the inlet and the outlet.
Preferably, the first baffle plate comprises a first bending section arranged at one end of the first inclined section far away from the side wall of the shell, and the first bending section is bent towards the inlet end or the first bending section is bent towards the outlet end.
Preferably, the second baffle plate comprises a second bending section which is arranged at one end of the second inclined section far away from the side wall of the shell, and the second bending section is bent towards the end where the outlet is located or the second bending section is bent towards the end where the inlet is located.
Preferably, the first inclined section is inclined in a direction away from the housing towards the end at which the inlet is located, and the second inclined section is inclined in a direction away from the housing towards the end at which the outlet is located.
Preferably, the first inclined section is inclined in a direction away from the housing towards the end at which the outlet is located, and the second inclined section is inclined in a direction away from the housing towards the end at which the inlet is located.
Preferably, the first and second inclined sections are parallel to each other.
Preferably, the first baffle plate located at the outermost end of the inlet is a flat plate, and the other first baffle plates are bent plates.
Preferably, the first baffle plate and the second baffle plate are both flat plates.
Preferably, the angle between the first inclined section and the horizontal plane is 55 ° to 65 °, and the angle between the second inclined section and the horizontal plane is 55 ° to 65 °.
Preferably, the first bending section bends towards the end where the inlet is located, and the included angle between the first bending section and the horizontal plane is 40-50 degrees; or the first bending section bends towards the end where the outlet is located, and the included angle between the first bending section and the horizontal plane is 30-42 degrees.
Preferably, the second bending section is bent towards the end where the outlet is located, and the included angle between the second bending section and the horizontal plane is 30-42 degrees; or the second bending section is bent towards the end where the outlet is located, and the included angle between the second bending section and the horizontal plane is 40-50 degrees.
Preferably, the length of the first baffle segment in the radial direction of the housing is 1/4 to 1/2 of the total length of the first baffle plate.
Preferably, the length of the second bending section in the radial direction of the housing accounts for 1/4 to 1/2 of the total length of the second baffle plate.
Preferably, the first baffle includes a plurality of first bending sections that set up and keep away from casing lateral wall one side at first slope section, and a plurality of first bending sections connect gradually along the direction of keeping away from first slope section, and the bending direction of two adjacent first bending sections is different.
Preferably, the second baffle includes that the setting keeps away from a plurality of second bending sections of casing lateral wall one side at the second slope section, and a plurality of second bending sections connect gradually along the direction of keeping away from the second slope section, and the direction of bending of two adjacent second bending sections is different.
According to another aspect of the application, an air conditioning unit is provided, which comprises a shell and tube heat exchanger, wherein the shell and tube heat exchanger is the shell and tube heat exchanger.
The application provides a shell and tube heat exchanger, including the casing with set up the baffling board in the casing, the baffling board includes first baffling board and second baffling board, first baffling board and second baffling board set up along the axial of casing in the upper and lower both sides of casing in turn, form S-shaped flow path, first baffling board is including being connected to the first slope section on the casing, the second baffling board is including being connected to the second slope section on the casing, first slope section and/or the slope of second section set up for the central axis slope of casing. The shell and tube heat exchanger adopts at least part of the baffle plates which are obliquely arranged, and the length of the baffle plates can be prolonged under the condition that the distance between the baffle plates and the shell of the original shell and tube heat exchanger is not changed, so that the flow of secondary refrigerant is increased, the heat exchange area of the shell and tube heat exchanger is improved, the heat exchange quantity of the shell and tube heat exchanger is increased, and the heat exchange efficiency is improved. The shell and tube heat exchanger only needs to modify the arrangement angle of the baffle plate, is low in modification cost and small in process difficulty, can be realized by using the materials and the process of the existing shell and tube heat exchanger, and is higher in universality. Because the inclined baffle plates are adopted, the flow turning-back angle in the flow process of the secondary refrigerant can be reduced, the flow resistance is reduced, the flow pressure loss of the secondary refrigerant is small, and the heat exchange efficiency is higher.
Drawings
Fig. 1 is a schematic structural view of a shell and tube heat exchanger according to a first embodiment of the present application;
fig. 2 is a schematic structural view of a shell and tube heat exchanger according to a second embodiment of the present application;
fig. 3 is a schematic structural view of a shell and tube heat exchanger according to a third embodiment of the present application.
The reference numerals are represented as:
1. a housing; 2. a first baffle plate; 3. a second baffle plate; 4. a first inclined section; 5. a second inclined section; 6. an inlet; 7. an outlet; 8. a first bending section; 9. and a second bending section.
Detailed Description
Referring to fig. 1 to 3 in combination, according to an embodiment of the present application, a shell-and-tube heat exchanger includes a shell 1 and baffles disposed in the shell 1, the baffles include a first baffle 2 and a second baffle 3, the first baffle 2 and the second baffle 3 are alternately disposed on upper and lower sides of the shell 1 along an axial direction of the shell 1 to form an S-shaped flow path, the first baffle 2 includes a first inclined section 4 connected to the shell 1, the second baffle 3 includes a second inclined section 5 connected to the shell 1, and the first inclined section 4 and/or the second inclined section 5 are disposed obliquely with respect to a central axis of the shell 1.
The shell and tube heat exchanger adopts at least part of the baffle plates which are obliquely arranged, and the length of the baffle plates can be prolonged under the condition that the distance between the baffle plates and the shell of the original shell and tube heat exchanger is not changed, so that the flow of secondary refrigerant is increased, the heat exchange area of the shell and tube heat exchanger is improved, the heat exchange quantity of the shell and tube heat exchanger is increased, and the heat exchange efficiency is improved. The shell and tube heat exchanger only needs to modify the arrangement angle of the baffle plate, is low in modification cost and small in process difficulty, can be realized by using the materials and the process of the existing shell and tube heat exchanger, and is higher in universality. Because the inclined baffle plates are adopted, the flow turning-back angle in the flow process of the secondary refrigerant can be reduced, the flow resistance is reduced, the flow pressure loss of the secondary refrigerant is small, and the heat exchange efficiency is higher.
The above-mentioned first baffle 2 and second baffle 3 are alternately arranged on the upper and lower sides of the housing 1 along the axial direction of the housing 1, specifically, the first baffle 2 is arranged on the upper side of the housing 1 and forms an overflowing channel with the inner wall of the lower side of the housing 1, the second baffle 3 is arranged on the lower side of the housing 1 and forms an overflowing channel with the inner wall of the upper side of the housing 1, and the first baffle 2 and the second baffle 3 are alternately arranged along the axial direction of the housing 1.
In the above-mentioned baffle plate, the first baffle plate 2 and the second baffle plate 3 which can be all arranged in an inclined manner, or only the first baffle plate 2 can be arranged in an inclined manner, while the second baffle plate 3 is arranged in a vertical manner, or the first baffle plate 2 can be arranged in a vertical manner, while the second baffle plate 3 is arranged in an inclined manner.
The trend is the zigzag after ordinary bow-shaped vertical baffle gets into the shell and tube, and tilting baffling board carries the cryogen flow for tilting zigzag, is equivalent to the perpendicular baffle flow for the distance on right-angle side of right triangle, and tilting baffling board carries the cryogen and moves towards the hypotenuse distance for right triangle, and relative flow changes, and relative heat transfer area increases promptly, consequently can strengthen shell and tube heat exchanger's heat transfer performance.
Ordinary bow-shaped perpendicular baffling board angle of turning back is big, can regard as drinking cup water and keep flat on the desk, water freely overflows, therefore the water pressure drop is big, the water pump power of demand is more promptly, the energy consumption also can the grow, and inclined baffling board can be regarded as when the drinking cup is poured, the angle of turning back is less, the pressure loss diminishes relatively promptly, heat exchange efficiency increases, perpendicular baffling board can only come the governing pipe thermal effect through the interval simultaneously, and inclined baffling board can be through the interval, length, the many influence factors of angle adjust pressure loss and velocity of flow, thereby improve heat transfer effect.
The shell 1 is provided with an inlet 6 and an outlet 7, the number of baffle plates is multiple, and the baffle plates are arranged between the inlet 6 and the outlet 7. The inlet 6 and outlet 7 are here the coolant inlet and outlet. Since the coolant enters the casing 1 from the inlet 6 and finally flows out of the casing 1 from the outlet 7, the baffle plate is arranged between the inlet 6 and the outlet 7, and the baffling effect of the baffle plate can be fully utilized.
With respect to the first baffle plate 2, in one embodiment, the first baffle plate 2 includes a first bent section 8 disposed at an end of the first inclined section 4 away from the side wall of the housing 1, and the first bent section 8 is bent toward an end where the inlet 6 is located.
In another embodiment, the first baffle plate 2 comprises a first bent section 8 disposed at an end of the first inclined section 4 away from the side wall of the housing 1, and the first bent section 8 is bent toward an end where the outlet 7 is located.
Furthermore, as for the second baffle plate 3, in one embodiment, the second baffle plate 3 includes a second bending section 9 disposed at an end of the second inclined section 5 away from the side wall of the housing 1, and the second bending section 9 is bent toward an end where the outlet 7 is located.
In another embodiment, the second baffle plate 3 comprises a second bending section 9 disposed at an end of the second inclined section 5 away from the side wall of the housing 1, and the second bending section 9 bends toward the end where the inlet 6 is located.
Through the mode that sets up first bending section 8 on first baffling board 2 and set up second bending section 9 on second baffling board 3, can make each baffling board through the root position water conservancy diversion that the section of bending is connected towards baffling board and casing for each baffling board also can have the cryogen to lead in with the root of casing hookup location, thereby can eliminate most blind areas, further increase shell and tube heat exchanger's heat exchange efficiency.
Ordinary perpendicular baffling board is little at baffling board root and end cover local rivers velocity of flow, there is the dead zone, there is the risk of freezing the shell and tube, and heat exchange efficiency is low simultaneously, and inclined baffling board itself has the effect of vortex, the rivers direction changes the flow direction after 2 baffling through first baffling board, through the first 8 baffling board baffling of section of bending water conservancy diversion to the root of second baffling board 3, make the root of second baffling board 3 have water always flowing, the while decurrent slope of section 9 is passed through to ascending flow direction, the root that makes the first baffling board 2 of upper portion also has rivers to lead in, most dead zones have been eliminated, heat exchange efficiency has been increased.
Preferably, the first inclined section 4 is inclined in a direction away from the housing 1 towards the end at which the inlet 6 is located, and the second inclined section 5 is inclined in a direction away from the housing 1 towards the end at which the outlet 7 is located.
As another alternative, the first inclined section 4 may be inclined in a direction away from the housing 1 toward the end where the outlet 7 is located, and the second inclined section 5 may be inclined in a direction away from the housing 1 toward the end where the inlet 6 is located.
Through the equal slope setting with first slope section 4 and second slope section 5, can realize the regulation to the secondary refrigerant flow direction to conveniently carry out the water conservancy diversion to the secondary refrigerant, make the secondary refrigerant can flow to the position that appears the blind spot easily more fully, adjust shell and tube heat exchanger's whole heat transfer performance, improve shell and tube heat exchanger's heat exchange efficiency.
Preferably, the first and second inclined segments 4, 5 are parallel to each other. Through setting up first slope section 4 and second slope section 5 to be parallel to each other, can guarantee that the interval between first slope section 4 and the second slope section 5 is unanimous basically to make the stability of secondary refrigerant flow in-process better, improve the heat transfer homogeneity of secondary refrigerant, improve heat exchange efficiency.
Preferably, in this embodiment, the first baffle plate 2 located at the outermost end of the inlet 6 is a flat plate, and the other first baffle plates 2 are bent plates, that is, the first baffle plate 2 at the inlet 6 is inclined at a single time, and the other first baffle plates 2 are bent plates. The single inclined baffle plate at the inlet 6 can enable water flow to flow through the dead zone at the end cover, and the problem of after-sale frozen shell pipes is effectively solved.
In another embodiment, as shown in fig. 1, the first baffle plate 2 and the second baffle plate 3 are both flat plates.
The included angle between the first inclined section 4 and the horizontal plane is 55-65 degrees, and the included angle between the second inclined section 5 and the horizontal plane is 55-65 degrees. Preferably, the angle between the first inclined section 4 and the horizontal plane is 60 °, and the angle between the second inclined section 5 and the horizontal plane is 60 °.
The first bent section 8 is bent towards the end where the inlet 6 is located, the angle between the first bent section 8 and the horizontal plane being 40 to 50, preferably 45.
The first bent section 8 is bent towards the end where the outlet 7 is located, the angle between the first bent section 8 and the horizontal plane being 30 to 42, preferably 36.
The second bend 9 is bent towards the end where the outlet 7 is located, the angle between the second bend 9 and the horizontal being 30 to 42, preferably 36.
The second bending section 9 is bent towards the end where the outlet 7 is located, the angle between the second bending section 9 and the horizontal plane being 40 ° to 50 °, preferably 45 °.
The length of the first bending section 8 in the radial direction of the casing 1 accounts for 1/4 to 1/2 of the total length of the first baffle plate 2, wherein the proportion of the first bending section 8 in the total length of the first baffle plate 2 is determined by the width between the adjacent first baffle plate 2 and the second baffle plate 3 and the angle of the bending section itself, for example: two adjacent baffling boards interval can adopt the half greatly, and the interval can adopt the third or even the quarter for a short time, prevents that hang plate and adjacent baffling board contact, leads to rivers unable through the resistance grow, can set up the length of the section of bending to the difference of different baffling board intervals and the difference of the section of bending angle.
Preferably, the length of the second bending section 9 in the radial direction of the housing 1 accounts for 1/4 to 1/2 of the total length of the second baffle plate 3.
The second baffle 3 is including setting up a plurality of second bending sections 9 of keeping away from 1 lateral wall one side of casing at second slope section 5, and a plurality of second bending sections 9 connect gradually along the direction of keeping away from second slope section 5, and the bending direction of two adjacent second bending sections 9 is different.
Referring to fig. 1 in combination, according to the first embodiment of the present invention, the first baffle plate 2 and the second baffle plate 3 are both flat plates, and the first inclined section 4 of the first baffle plate 2 is inclined toward the end of the inlet 6 in a direction away from the casing 1, and the second inclined section 5 of the second baffle plate 3 is inclined toward the end of the outlet 7 in a direction away from the casing 1, so as to form parallel baffles, so that the flow along the direction of the first baffle plate 2 and the second baffle plate 3 during the coolant flowing process can effectively reduce the generation of dead flow zone.
Referring to fig. 2 in combination, the second embodiment of the present application is substantially the same as the first embodiment, except that in this embodiment, the first baffle plate 2 located at the outermost end of the inlet 6 is a flat plate, the other first baffle plates 2 are bent plates, the bent plates include a first bent section 8 disposed at an end of the first inclined section 4 away from the side wall of the housing 1, the first bent section 8 is bent toward the end where the inlet 6 is located, the second baffle plate 3 includes a second bent section 9 disposed at an end of the second inclined section 5 away from the side wall of the housing 1, and the second bent section 9 is bent toward the end where the inlet 6 is located.
Referring to fig. 3 in combination, the third embodiment of the present application is substantially the same as the first embodiment, except that in this embodiment, the first baffle plate 2 located at the outermost end of the inlet 6 is a flat plate, the other first baffle plates 2 are bent plates, the bent plates include a first bent section 8 disposed at an end of the first inclined section 4 away from the side wall of the housing 1, the first bent section 8 is bent toward the end where the inlet 6 is located, the second baffle plate 3 includes a second bent section 9 disposed at an end of the second inclined section 5 away from the side wall of the housing 1, and the second bent section 9 is bent toward an end where the outlet 7 is located.
According to an embodiment of the application, the air conditioning unit comprises a heat exchanger, and the heat exchanger is the shell and tube heat exchanger.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (17)
1. A shell and tube heat exchanger is characterized by comprising a shell (1) and baffle plates arranged in the shell (1), wherein the baffle plates comprise a first baffle plate (2) and a second baffle plate (3), the first baffle plate (2) and the second baffle plate (3) are alternately arranged on the upper side and the lower side of the shell (1) along the axial direction of the shell (1) to form an S-shaped flow path, the first baffle plate (2) comprises a first inclined section (4) connected to the shell (1), the second baffle plate (3) comprises a second inclined section (5) connected to the shell (1), and the first inclined section (4) and/or the second inclined section (5) are obliquely arranged relative to the central axis of the shell (1).
2. The shell and tube heat exchanger as recited in claim 1 wherein the shell (1) is provided with an inlet (6) and an outlet (7), and wherein the plurality of baffles is disposed between the inlet (6) and the outlet (7).
3. The shell and tube heat exchanger according to claim 2, wherein the first baffle plate (2) comprises a first bent section (8) arranged at an end of the first inclined section (4) remote from the side wall of the shell (1), the first bent section (8) being bent towards the end where the inlet (6) is located or the first bent section (8) being bent towards the end where the outlet (7) is located.
4. The shell and tube heat exchanger according to claim 2, wherein the second baffle plate (3) comprises a second bent section (9) arranged at the end of the second inclined section (5) remote from the side wall of the shell (1), the second bent section (9) being bent towards the end at which the outlet (7) is located or the second bent section (9) being bent towards the end at which the inlet (6) is located.
5. The shell and tube heat exchanger according to claim 2, wherein the first inclined section (4) is inclined in a direction away from the shell (1) towards the end at which the inlet (6) is located, and the second inclined section (5) is inclined in a direction away from the shell (1) towards the end at which the outlet (7) is located.
6. The shell and tube heat exchanger according to claim 2, wherein the first inclined section (4) is inclined in a direction away from the shell (1) towards the end at which the outlet (7) is located, and the second inclined section (5) is inclined in a direction away from the shell (1) towards the end at which the inlet (6) is located.
7. The shell and tube heat exchanger according to claim 1, characterized in that the first and second slanted sections (4, 5) are parallel to each other.
8. The shell and tube heat exchanger according to claim 2 wherein the first baffle plate (2) at the outermost end of the inlet (6) is a flat plate and the other first baffle plates (2) are bent plates.
9. The shell and tube heat exchanger according to claim 1, wherein the first baffle plate (2) and the second baffle plate (3) are both flat plates.
10. The shell and tube heat exchanger according to claim 1, characterized in that the angle between the first inclined section (4) and the horizontal is 55 ° to 65 °, and the angle between the second inclined section (5) and the horizontal is 55 ° to 65 °.
11. The shell and tube heat exchanger according to claim 3, wherein the first bent section (8) is bent towards the end where the inlet (6) is located, the angle between the first bent section (8) and the horizontal being 40 to 50 °; or the first bending section (8) is bent towards the end where the outlet (7) is located, and the included angle between the first bending section (8) and the horizontal plane is 30-42 degrees.
12. The shell and tube heat exchanger according to claim 4, wherein the second bent section (9) is bent towards the end where the outlet (7) is located, the angle between the second bent section (9) and the horizontal being 30 ° to 42 °; or the second bending section (9) is bent towards the end where the outlet (7) is located, and the included angle between the second bending section (9) and the horizontal plane is 40-50 degrees.
13. The shell and tube heat exchanger according to claim 3 wherein the length of the first bent section (8) in the radial direction of the shell (1) is 1/4 to 1/2 of the total length of the first baffle plate (2).
14. The shell and tube heat exchanger according to claim 4, characterized in that the length of the second bent section (9) in the radial direction of the shell (1) amounts from 1/4 to 1/2 of the total length of the second baffle plate (3).
15. The shell and tube heat exchanger according to claim 1, wherein the first baffle plate (2) comprises a plurality of first bent sections (8) disposed on a side of the first inclined section (4) away from the side wall of the shell (1), the plurality of first bent sections (8) are sequentially connected in a direction away from the first inclined section (4), and the bending directions of adjacent two first bent sections (8) are different.
16. The shell and tube heat exchanger according to claim 1, wherein the second baffle plate (3) comprises a plurality of second bent sections (9) disposed on a side of the second inclined section (5) away from the side wall of the shell (1), the plurality of second bent sections (9) are sequentially connected in a direction away from the second inclined section (5), and the bending directions of adjacent two second bent sections (9) are different.
17. An air conditioning assembly comprising a heat exchanger, wherein the heat exchanger is a shell and tube heat exchanger as claimed in any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649336.9U CN209978658U (en) | 2019-05-07 | 2019-05-07 | Shell and tube heat exchanger and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649336.9U CN209978658U (en) | 2019-05-07 | 2019-05-07 | Shell and tube heat exchanger and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209978658U true CN209978658U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920649336.9U Active CN209978658U (en) | 2019-05-07 | 2019-05-07 | Shell and tube heat exchanger and air conditioning unit |
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| Country | Link |
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| CN (1) | CN209978658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094995A (en) * | 2019-05-07 | 2019-08-06 | 珠海格力电器股份有限公司 | Shell and tube heat exchanger and air conditioning unit |
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2019
- 2019-05-07 CN CN201920649336.9U patent/CN209978658U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094995A (en) * | 2019-05-07 | 2019-08-06 | 珠海格力电器股份有限公司 | Shell and tube heat exchanger and air conditioning unit |
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