CN211626209U - Finned tube heat exchanger - Google Patents
Finned tube heat exchanger Download PDFInfo
- Publication number
- CN211626209U CN211626209U CN201922150305.1U CN201922150305U CN211626209U CN 211626209 U CN211626209 U CN 211626209U CN 201922150305 U CN201922150305 U CN 201922150305U CN 211626209 U CN211626209 U CN 211626209U
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- end cover
- finned tube
- gear
- finned
- transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a finned tube heat exchanger, which comprises a coil, a first end cover, a second end cover and a finned tube, wherein the coil penetrates through the first end cover and the second end cover in a snake-shaped manner to form an integral frame; the finned tubes are sleeved on the outer wall of the coil pipe between the first end cover and the second end cover in a mutually parallel mode and can rotate around the coil pipe; the finned tubes are arranged to form a plurality of longitudinal rows of finned tubes, one end of each finned tube in each longitudinal row of finned tubes is provided with a gear to form a gear set, and the gears in the gear set are in meshing transmission with each other; the gear at the uppermost end of the gear set is connected with a transmission mechanism, the transmission mechanism is connected with a driving device to drive the gear set to rotate, and the gear set rotates to drive each finned tube to rotate. The utility model provides a finned tube heat exchanger, the finned tube in the heat exchanger can rotate, and it is serious to have solved traditional finned tube heat exchanger leeward side chance, and the easy problem of wearing and tearing of windward side provides the heat transfer efficiency of whole heat exchanger.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, concretely relates to fin tube heat exchanger.
Background
The finned tube heat exchanger is widely applied to power, chemical engineering, petrochemical engineering, air conditioning engineering and refrigeration engineering, such as a surface air cooler, an air heater and a fan coil used in the air conditioning engineering. The air cooler evaporator, the frost-free refrigerator evaporator and the like used in the refrigeration engineering are not only suitable for the flow of single-phase fluid, but also have great value on phase change heat exchange.
The fin tube heat exchanger has the advantages that the surface area of heat dissipation is increased, the thermal resistance of convection heat exchange is reduced, and the effect of enhancing heat transfer is achieved. In recent years, with the urgent need of energy conservation and emission reduction, more and more attention is paid to the design and manufacture of compact and efficient heat exchange equipment. Most of the most widely applied compact heat exchange equipment is designed to be in a form with fins, and along with the increase of the compactness degree of the heat exchanger, the flow channels of fluid on the fin side are continuously reduced, and the flow resistance is obviously increased.
The increase of the flow resistance enables the leeward side of the finned tube to easily form a vortex stagnation area, so that a large amount of local dust is accumulated, the finned tube position of the traditional finned tube heat exchanger is fixed and cannot be adjusted, so that the dust accumulation problem on the leeward side of the finned tube is serious, the windward side is easy to wear, the performance of the whole heat exchanger is reduced, and the heat transfer efficiency of the finned tube heat exchanger and the safe and efficient operation of the heat exchanger are seriously influenced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a not enough to prior art exists, the utility model aims at providing a finned tube heat exchanger, finned tube in the heat exchanger can rotate, and it is serious to have solved traditional finned tube heat exchanger leeward side chance, problem that windward side easily abraded provides whole heat exchanger's heat transfer efficiency.
The technical scheme is as follows: in order to realize the purpose of the utility model, the utility model discloses a technical scheme as follows: a finned tube heat exchanger comprises a coil, a first end cover, a second end cover and a finned tube, wherein the coil penetrates through the first end cover and the second end cover in a snake-shaped mode to form an integral frame; the finned tubes are sleeved on the outer wall of the coil pipe between the first end cover and the second end cover in a mutually parallel mode and can rotate around the coil pipe; a first fluid flows in the coil, and a second fluid flows in the space outside the finned tube;
the finned tubes are arranged to form a plurality of longitudinal rows of finned tubes, one end of each finned tube in each longitudinal row of finned tubes is provided with a gear to form a gear set, and gears in the gear set are in meshed transmission;
the gear at the uppermost end of the gear set is connected with a transmission mechanism, the transmission mechanism is connected with a driving device to drive the gear set to rotate, and the gear set rotates to drive each finned tube to rotate.
Preferably, the transmission mechanism is a transmission gear and a transmission shaft; the longitudinal finned tubes are in 2-4 longitudinal rows, the gear set of each longitudinal finned tube is arranged on the inner side of the position of the first end cover or the inner side of the second end cover, the gear at the uppermost end of each gear set is meshed with the transmission gear, when the longitudinal finned tubes are in 2 rows, one transmission gear is connected with the transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with an external driving device;
when the number of the longitudinal finned tubes is 3, the number of the transmission gears is 3, the 3 transmission gears are meshed, the transmission gear at the uppermost end is connected with a transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with an external driving device;
when the number of the longitudinal finned tubes is 4, 6 transmission gears are meshed, the transmission gear at the uppermost end is connected with a transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with a driving device.
Preferably, the transmission mechanism is a combination of a transmission gear and a worm gear, the gear set of each column of finned tubes is arranged on the inner side of the position of the first end cover or the inner side of the position of the second end cover, the gear at the uppermost end of each gear set is meshed with the transmission gear, the transmission gear is provided with a transmission shaft, the transmission shaft penetrates through the first end cover or the second end cover and is externally connected with the worm gear, the outer side of the first end cover or the second end cover is provided with the worm, the worm gear is meshed with the worm, and the worm is connected with.
Preferably, the driving device is a speed reducer or a hand-cranking rotary table.
Preferably, the finned tube is a helical finned tube, an H-type finned tube, an open-tooth finned tube or a tip finned tube.
Preferably, the gap between the inner wall of the finned tube and the outer wall of the coil is 1-3 mm.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the finned tube can rotate to change the positions of the windward side and the leeward side of the finned tube, so that the abrasion of the windward side of the finned tube and the dust deposition condition of the leeward side of the finned tube are dispersed, the complete heat exchange area of the finned tube is fully utilized, the overall heat exchange efficiency is improved, the abrasion and the dust deposition of the finned tube are not concentrated, and the overall service life of the finned tube is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a side view of a first gear set and a second gear set in accordance with an exemplary embodiment;
FIG. 3 is a sectional front view of FIG. 1 according to one embodiment;
FIG. 4 is a side elevational view of the first gear set and the second gear set in accordance with the second embodiment;
FIG. 5 is a sectional top view of FIG. 1 in a second embodiment;
FIG. 6 is a side view of FIG. 1 in the second embodiment.
Detailed Description
The present invention will be further clarified by the following embodiments, which are implemented on the premise of the technical solution of the present invention, with reference to the attached drawings, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1, the utility model discloses a finned tube heat exchanger, which comprises a coil 1, a first end cover 4, a second end cover 2 and a finned tube 3, wherein the coil 1 penetrates through the first end cover 4 and the second end cover 2 in a serpentine manner to form an integral frame; the finned tube 3 is sleeved on the outer wall of the coil 1 between the first end cover 4 and the second end cover 2 in a mutually parallel mode and can rotate around the coil 1; a first fluid flows inside the coil 1 and a second fluid flows inside the space outside the finned tubes.
In practice the first fluid is a liquid, such as cooling water, and the second fluid is a gas, such as a flue gas. The serpentine coil 1 provides a fluid flow path, and a first fluid flows in from one end of the coil 1, and flows out from the other end of the coil 1 after exchanging heat with a working medium outside the coil 1. The second fluid then flows in the empty channels outside the finned tubes 3.
In the embodiment, fig. 1 shows a finned tube heat exchanger comprising two parallel longitudinal rows of finned tubes, so the present embodiment describes the present invention with two longitudinal rows of finned tubes as rows. However, the present invention is not limited to only two longitudinal rows of finned tubes, and may have a plurality of longitudinal rows of finned tubes.
The first embodiment is as follows: as shown in FIGS. 2 and 3, the specific orientation is described with reference to FIG. 1 (the first column of finned tubes being the finned tubes arranged in parallel on the outer side in FIG. 1, and the second column of finned tubes being the finned tubes arranged in parallel on the inner side in FIG. 1).
One end of each of the first column fin tubes is provided with a gear (referred to as a first gear set 7, the gears between the first gear set 7 are meshed with each other), and one end of each of the second column fin tubes is provided with a gear (referred to as a second gear set 8, the gears between the second gear set 8 are meshed with each other).
The first gear set 7 and the second gear set 8 are both arranged on the same side of the finned tube (the inner side of the position of the first end cover 4 or the inner side of the second end cover 2), the gear at the top end in the first gear set 7 is meshed with the transmission gear 9, the gear at the top end in the second gear set 8 is also meshed with the transmission gear 9, the transmission gear 9 is provided with a transmission shaft 10, the first end cover 4 or the second end cover 2 is provided with a through hole, and the transmission shaft 10 penetrates through the through hole in the first end cover 4 or the second end cover 2 and is fixed on the first end cover 4 or the second end cover 2 through a transmission bearing. The drive shaft 10 is connected to an external drive.
The driving device drives the transmission shaft 10 to rotate, the transmission shaft 10 drives the transmission gear 9 to rotate, the transmission gear 9 drives the first gear set 7 and the second gear set 8 to rotate, and the first gear set 7 and the second gear set 8 drive the first longitudinal finned tubes and the second longitudinal finned tubes to rotate after rotating.
The first gear set 7 and the second gear set 8 can be driven to rotate simultaneously by adopting a connection mode of meshing of the same transmission gear, only one through hole is formed in the first end cover 4 or the second end cover 2, the structure is simpler, but the device is only suitable for the situation that the number of longitudinal finned tubes is less, for example, 2-4 longitudinal finned tubes can be driven by one transmission shaft by adopting a connection mode of meshing of the transmission gears (if three longitudinal finned tubes are arranged, the three transmission gears are meshed, the transmission gear at the uppermost end is connected with the transmission shaft and connected with an external driving device, 4 longitudinal finned tubes are meshed through 6 transmission gears, the transmission gear at the uppermost end is connected with the transmission shaft and connected with the external driving device), but the connection mode of meshing of the gears is not suitable for adopting if a plurality of groups of longitudinal finned tubes are arranged.
Example two: as shown in fig. 3, 4 and 5, unlike the first embodiment, two through holes are provided on the first end cap 4 or the second end cap 2, and the first gear set 7 and the second gear set 8 are both provided on the same side of the finned tube (inside the position of the first end cap 4 or inside the second end cap 2). The uppermost gear in the first gear set 7 is meshed with the first transmission gear 11, the first transmission gear 11 is provided with a first transmission shaft 12, and the first transmission shaft 12 penetrates through a through hole in the first end cover 4 or the second end cover 2 and is fixed on the first end cover 4 or the second end cover 2 through a transmission bearing; the gear at the uppermost end in the second gear set 8 is engaged with the second transmission gear 13, the second transmission gear 13 is provided with a second transmission shaft 14, and the second transmission shaft 14 passes through the through hole on the first end cover 4 or the second end cover 2 and is fixed on the first end cover 4 or the second end cover 2 through a transmission bearing. The first transmission shaft 12 is positioned on the outer side of the first end cover 4 or the second end cover 2 and is connected with a first worm wheel 15, and the second transmission shaft 14 is positioned on the outer side of the first end cover 4 or the second end cover 2 and is connected with a second worm wheel 16; the outer side of the first end cover 4 or the second end cover 2 is provided with a worm 17, the first worm wheel 15 and the second worm wheel 16 are respectively meshed with the worm 17 to form a worm-gear combination, and the worm 17 is connected with an external driving device.
The transmission mode of the worm gear is suitable for the radiator with a plurality of longitudinal finned tubes, and the worm gear can be driven by one worm, so that the efficiency is higher, and the structure is simple.
The driving device in the first embodiment and the second embodiment can be a speed reducer, preferably a miniature speed reducer, because the finned tubes in the radiator do not need to rotate all the time and can rotate once at intervals to change the positions of the leeward sides of the finned tubes, the driving device can also be a hand-operated wheel disc or connecting rod structure.
The finned tube can rotate to change the positions of the windward side and the leeward side of the finned tube, so that the abrasion of the windward side of the finned tube and the dust deposition condition of the leeward side of the finned tube are dispersed, the complete heat exchange area of the finned tube is fully utilized, the overall heat exchange efficiency is improved, the abrasion and the dust deposition of the finned tube are not concentrated, and the overall service life of the finned tube is prolonged.
The finned tube 3 in the utility model can be a spiral finned tube, an H-shaped finned tube, a tooth-opening finned tube or a top finned tube.
The spiral finned tube that can rotate demonstrates unique advantage to the heat exchanger when the heat exchanger moves under the high grey environment, and the dust granule that high velocity air carried hits the finned tube for a long time and can cause wearing and tearing, and the utility model discloses utilize the rotation of spiral finned tube, make the dust granule change the straight face impact of finned tube into the side direction impact, effectual reduction dust granule is to the wearing and tearing of finned tube, simultaneously, at the rotatory in-process of spiral finned tube, high velocity air constantly blows off the dust granule that adheres on the pipe, the deposition condition on the effectual reduction finned tube, and then reducible setting of soot blower cancellation even.
The finned tube is sleeved on the coil 1, in order to not influence the heat conducting property between the coil 1 and the finned tube 3, the gap between the inner wall of the finned tube 3 and the outer wall of the coil 1 is controlled to be 1-3mm, and lubricating grease or lubricating oil is coated between the gaps.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A finned tube heat exchanger characterized by: the finned tube type air conditioner comprises a coil, a first end cover, a second end cover and a finned tube, wherein the coil penetrates through the first end cover and the second end cover in a serpentine mode to form an integral frame; the finned tubes are sleeved on the outer wall of the coil pipe between the first end cover and the second end cover in a mutually parallel mode and can rotate around the coil pipe; a first fluid flows in the coil, and a second fluid flows in the space outside the finned tube;
the finned tubes are arranged to form a plurality of longitudinal rows of finned tubes, one end of each finned tube in each longitudinal row of finned tubes is provided with a gear to form a gear set, and gears in the gear set are in meshed transmission;
the gear at the uppermost end of the gear set is connected with a transmission mechanism, the transmission mechanism is connected with a driving device to drive the gear set to rotate, and the gear set rotates to drive each finned tube to rotate.
2. The finned tube heat exchanger of claim 1 wherein: the transmission mechanism is a transmission gear and a transmission shaft; the longitudinal finned tubes are in 2-4 longitudinal rows, the gear set of each longitudinal finned tube is arranged on the inner side of the position of the first end cover or the inner side of the second end cover, the gear at the uppermost end of each gear set is meshed with the transmission gear, when the longitudinal finned tubes are in 2 rows, one transmission gear is connected with the transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with an external driving device;
when the number of the longitudinal finned tubes is 3, the number of the transmission gears is 3, the 3 transmission gears are meshed, the transmission gear at the uppermost end is connected with a transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with an external driving device;
when the number of the longitudinal finned tubes is 4, 6 transmission gears are meshed, the transmission gear at the uppermost end is connected with a transmission shaft, and the transmission shaft penetrates through the first end cover or the second end cover to be connected with a driving device.
3. The finned tube heat exchanger of claim 1 wherein: the transmission mechanism is a combination of a transmission gear and a worm gear, the gear set of each longitudinal finned tube is arranged on the inner side of the position of the first end cover or the inner side of the position of the second end cover, the gear at the uppermost end of each gear set is meshed with the transmission gear, the transmission gear is provided with a transmission shaft, the transmission shaft penetrates through the first end cover or the second end cover and is externally connected with the worm gear, the worm gear is arranged on the outer side of the first end cover or the second end cover and is meshed with the worm, and the worm is connected with the driving.
4. The finned tube heat exchanger of claim 1 wherein: the driving device is a speed reducer or a hand-operated wheel disc.
5. The finned tube heat exchanger of claim 1 wherein: the finned tube is a spiral finned tube, an H-shaped finned tube, an open-tooth finned tube or a top finned tube.
6. The finned tube heat exchanger of claim 1 wherein: and the gap between the inner wall of the fin tube and the outer wall of the coil tube is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150305.1U CN211626209U (en) | 2019-12-05 | 2019-12-05 | Finned tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150305.1U CN211626209U (en) | 2019-12-05 | 2019-12-05 | Finned tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211626209U true CN211626209U (en) | 2020-10-02 |
Family
ID=72627835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922150305.1U Active CN211626209U (en) | 2019-12-05 | 2019-12-05 | Finned tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211626209U (en) |
-
2019
- 2019-12-05 CN CN201922150305.1U patent/CN211626209U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou Haoneng Energy saving Equipment Co.,Ltd. Assignor: Yangzhou minyang heat transfer technology Co.,Ltd. Contract record no.: X2024980011469 Denomination of utility model: A finned tube heat exchanger Granted publication date: 20201002 License type: Common License Record date: 20240808 |