CN220062688U - Multichannel free section heat exchanger - Google Patents
Multichannel free section heat exchanger Download PDFInfo
- Publication number
- CN220062688U CN220062688U CN202320872043.3U CN202320872043U CN220062688U CN 220062688 U CN220062688 U CN 220062688U CN 202320872043 U CN202320872043 U CN 202320872043U CN 220062688 U CN220062688 U CN 220062688U
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- China
- Prior art keywords
- heat exchange
- heat exchanger
- exchange tubes
- movable sleeve
- connecting rods
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- 239000000463 material Substances 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a multichannel free section heat exchanger, which comprises a heat exchanger shell, wherein two baffles are welded on the inner side of the heat exchanger shell, a plurality of first heat exchange tubes are welded on the surface of the baffles, the first heat exchange tubes penetrate through the baffles, a second heat exchange tube is fixedly arranged between the two first heat exchange tubes corresponding to the left side and the right side of the baffle, the second heat exchange tube is made of an elastic hose material, a plurality of connecting rods are bonded on the outer side of the second heat exchange tube, and an adjusting assembly for driving the connecting rods to move is arranged on the outer side of the first heat exchange tubes. The utility model is convenient to adjust the heat exchange efficiency by changing the sectional area of the coolant channel, and is convenient to adjust according to the temperature of the hot fluid introduced into the heat exchanger.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a multichannel free section heat exchanger.
Background
A heat exchanger is a device for transferring part of heat of a hot fluid to a cold fluid, also called a heat exchanger, which can be used as a heater, a cooler, a condenser, an evaporator, a reboiler, etc. in chemical production.
Studies have shown that in order to improve the economic performance of the heat exchanger, the cross-sectional area of the heat exchanger channels and the flow rate in each heat exchange channel should be reduced as much as possible under the condition that other conditions are not changed, however, when the heat flow temperature is high, a larger channel cross-sectional area is generally required to ensure the heat exchange efficiency, and the current heat exchanger can only regulate the flow rate of the coolant, but cannot regulate the cross-sectional area of the heat exchange channels, so that the economic performance of the heat exchanger is lower when the heat exchange efficiency is not required to be too high, and therefore, we propose a multi-channel free cross-section heat exchanger.
Disclosure of Invention
The utility model aims to provide a multichannel free section heat exchanger so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multichannel free section heat exchanger comprises a heat exchanger shell, wherein two baffles are welded on the inner side of the heat exchanger shell, a plurality of first heat exchange tubes are welded on the surface of each baffle, and the first heat exchange tubes penetrate through the baffles;
the two first heat exchange tubes corresponding to the left side and the right side are fixedly provided with second heat exchange tubes, the second heat exchange tubes are made of elastic hose materials, a plurality of connecting rods are bonded to the outer sides of the second heat exchange tubes, and adjusting assemblies used for driving the connecting rods to move are arranged on the outer sides of the first heat exchange tubes.
Preferably, the connecting rods are distributed at equal intervals in an annular shape on the outer side of the second heat exchange tube.
Preferably, the adjusting component comprises a movable sleeve and a plurality of L-shaped fixing plates, the L-shaped fixing plates are fixedly arranged on the outer side of a first heat exchange tube on one side, L-shaped moving rods are arranged on the surface of the L-shaped fixing plates in a sliding penetrating mode, one ends of the L-shaped moving rods are fixed with the connecting rods, the movable sleeve is slidably arranged on the outer side of the first heat exchange tube, a plurality of supporting rods are hinged to the outer side of the movable sleeve, one ends, far away from the movable sleeve, of the supporting rods are hinged to one side of the L-shaped moving rods, and rotating pieces for driving the movable sleeve to move are arranged on one side of the movable sleeve.
Preferably, the number of the support rods is the same as the number of the connecting rods.
Preferably, the rotating member comprises a threaded rod threaded through the baffle.
Preferably, one end of the threaded rod is welded with a rotating rod, the rotating rod movably penetrates through the heat exchanger shell, and a knob is fixedly arranged at one end of the rotating rod, which is positioned outside the heat exchanger shell.
Compared with the prior art, the utility model has the beneficial effects that:
1. this multichannel formula free section heat exchanger, through rotating the knob, drive dwang and threaded rod and rotate, the threaded rod drives movable sleeve motion to promote movable sleeve and drive the bracing piece and rotate, the bracing piece drives the connecting rod through L shape dwang and moves to the direction of keeping away from the second heat exchange tube, thereby outwards stimulate expansion cross-section size with the second heat exchange tube, be convenient for let in the coolant of large-traffic and guarantee heat exchange efficiency, can adjust second heat exchange tube middle part cross-section size according to fluid temperature and to heat exchange efficiency's demand, promoted the flexibility of heat exchanger.
2. This multichannel formula free cross section heat exchanger, the external diameter at second heat exchange tube middle part is less, and both ends external diameter is great, through letting in low discharge coolant liquid in the first heat exchange tube, promotes the economic nature of heat exchanger, can use when not high to the heat exchange efficiency requirement.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the components in the heat exchanger shell of the present utility model;
FIG. 3 is a schematic view of a heat exchange tube according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of the present utility model a.
In the figure: 1. a heat exchanger housing; 2. a baffle; 3. a first heat exchange tube; 4. a second heat exchange tube; 5. a connecting rod; 6. an L-shaped fixing plate; 7. an L-shaped motion bar; 8. a movable sleeve; 9. a support rod; 10. a threaded rod; 11. a rotating lever; 12. and (5) a knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, the present utility model provides a multi-channel heat exchanger with free cross section, which comprises a heat exchanger shell 1, wherein two baffles 2 are welded on the inner side of the heat exchanger shell 1, a plurality of first heat exchange tubes 3 are welded on the surface of the baffles 2, and the first heat exchange tubes 3 penetrate through the baffles 2;
a second heat exchange tube 4 is fixedly arranged between the two first heat exchange tubes 3 corresponding to the left side and the right side, the second heat exchange tube 4 is made of elastic hose materials, a plurality of connecting rods 5 are bonded on the outer sides of the second heat exchange tubes 4, and an adjusting component for driving the connecting rods 5 to move is arranged on the outer sides of the first heat exchange tubes 3.
Specifically, the positions of the plurality of connection rods 5 can be changed by adjusting the assembly, so that the sectional area of the middle part of the second heat exchange tube 4 with elasticity can be changed.
Wherein: the connecting rods 5 are distributed at equal intervals in an annular shape on the outer side of the second heat exchange tube 4, and when the connecting rods 5 move outwards, the second heat exchange tube 4 can be evenly pulled outwards, so that the section of the second heat exchange tube 4 is increased.
Wherein: the adjusting component comprises a movable sleeve 8 and a plurality of L-shaped fixing plates 6, the L-shaped fixing plates 6 are fixedly arranged on the outer side of a first heat exchange tube 3 at one side, L-shaped moving rods 7 are arranged on the surface of the L-shaped fixing plates 6 in a sliding penetrating manner, one ends of the L-shaped moving rods 7 are fixed with connecting rods 5, the movable sleeve 8 is arranged on the outer side of the first heat exchange tube 3 in a sliding manner, a plurality of supporting rods 9 are hinged on the outer side of the movable sleeve 8, one ends of the supporting rods 9 away from the movable sleeve 8 are hinged on one side of the L-shaped moving rods 7, rotating pieces for driving the movable sleeve 8 to move are arranged on one side of the movable sleeve 8, the number of the supporting rods 9 is the same as that of the connecting rods 5, the rotation piece includes threaded rod 10, threaded rod 10 screw thread runs through baffle 2, threaded rod 10 one end welding has dwang 11, dwang 11 activity runs through heat exchanger shell 1, and the one end fixed mounting that dwang 11 is located heat exchanger shell 1 outside has knob 12, through rotating knob 12, drives dwang 11 and threaded rod 10 rotation, and threaded rod 10 drives movable sleeve 8 motion to promote movable sleeve 8 and drive bracing piece 9 rotation, bracing piece 9 drives the motion of connecting rod 5 through L shape motion pole 7, thereby change the sectional area at second heat exchange tube 4 middle part.
Working principle: the utility model relates to a multi-channel free section heat exchanger, wherein the outer diameter of the middle part of a second heat exchange tube 4 is smaller, the outer diameters of the two ends are larger, and the economy of the heat exchanger is improved by introducing a small flow of cooling liquid into a first heat exchange tube 3, so that the heat exchanger can be used when the heat exchange efficiency requirement is not high;
when the requirement of the fluid on the heat exchange efficiency is higher, the knob 12 is rotated to drive the rotating rod 11 and the threaded rod 10 to rotate, the threaded rod 10 drives the movable sleeve 8 to move, so that the movable sleeve 8 is pushed to drive the supporting rod 9 to rotate, the supporting rod 9 drives the connecting rod 5 to move in the direction away from the second heat exchange tube 4 through the L-shaped moving rod 7, and the second heat exchange tube 4 is pulled outwards to expand the cross section, so that the large-flow coolant is conveniently introduced to ensure the heat exchange efficiency.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a multichannel free section heat exchanger, includes heat exchanger shell (1), its characterized in that: two baffles (2) are welded on the inner side of the heat exchanger shell (1), a plurality of first heat exchange tubes (3) are welded on the surface of the baffles (2), and the first heat exchange tubes (3) penetrate through the baffles (2);
the two first heat exchange tubes (3) corresponding to the left side and the right side are fixedly provided with second heat exchange tubes (4), the second heat exchange tubes (4) are made of elastic hose materials, a plurality of connecting rods (5) are bonded to the outer sides of the second heat exchange tubes (4), and adjusting components used for driving the connecting rods (5) to move are arranged on the outer sides of the first heat exchange tubes (3).
2. A multi-pass free-section heat exchanger as claimed in claim 1 wherein: the connecting rods (5) are distributed at equal intervals in an annular shape on the outer side of the second heat exchange tube (4).
3. A multi-pass free-section heat exchanger as claimed in claim 1 wherein: the adjusting component comprises a movable sleeve (8) and a plurality of L-shaped fixing plates (6), wherein the L-shaped fixing plates (6) are fixedly arranged on the outer side of a first heat exchange tube (3), L-shaped moving rods (7) are arranged on the surface of the L-shaped fixing plates (6) in a sliding penetrating mode, one ends of the L-shaped moving rods (7) are fixed with connecting rods (5), the movable sleeve (8) is slidably arranged on the outer side of the first heat exchange tube (3), a plurality of supporting rods (9) are hinged to the outer side of the movable sleeve (8), one ends of the supporting rods (9) away from the movable sleeve (8) are hinged to one side of the L-shaped moving rods (7), and rotating pieces for driving the movable sleeve (8) to move are arranged on one side of the movable sleeve (8).
4. A multi-pass free-section heat exchanger as claimed in claim 3, wherein: the number of the supporting rods (9) is the same as that of the connecting rods (5).
5. A multi-pass free-section heat exchanger as claimed in claim 3, wherein: the rotating piece comprises a threaded rod (10), and the threaded rod (10) penetrates through the baffle plate (2) in a threaded mode.
6. A multi-pass free-section heat exchanger as claimed in claim 5 wherein: one end of the threaded rod (10) is welded with a rotating rod (11), the rotating rod (11) movably penetrates through the heat exchanger shell (1), and one end of the rotating rod (11) positioned outside the heat exchanger shell (1) is fixedly provided with a knob (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872043.3U CN220062688U (en) | 2023-04-18 | 2023-04-18 | Multichannel free section heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320872043.3U CN220062688U (en) | 2023-04-18 | 2023-04-18 | Multichannel free section heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220062688U true CN220062688U (en) | 2023-11-21 |
Family
ID=88751890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320872043.3U Active CN220062688U (en) | 2023-04-18 | 2023-04-18 | Multichannel free section heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220062688U (en) |
-
2023
- 2023-04-18 CN CN202320872043.3U patent/CN220062688U/en active Active
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