CN209877696U - Ring heat exchanger - Google Patents
Ring heat exchanger Download PDFInfo
- Publication number
- CN209877696U CN209877696U CN201920182033.0U CN201920182033U CN209877696U CN 209877696 U CN209877696 U CN 209877696U CN 201920182033 U CN201920182033 U CN 201920182033U CN 209877696 U CN209877696 U CN 209877696U
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- Prior art keywords
- heat exchanger
- heat exchange
- annular
- heat
- exchange tube
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- 238000004891 communication Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an annular heat exchanger, including heat exchange tube and fin, the through-hole has been seted up on the fin, the fin passes through the through-hole cover is established on the heat exchange tube, the heat exchange tube is provided with entrance point and exit end, and the cover is equipped with the fin the heat exchange tube curls spirally, annular heat exchanger has first port and second port. And heat exchange is carried out through the annular heat exchanger, so that the heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to a heat exchange technology field, especially an annular heat exchanger.
Background
The heat exchanger is an energy-saving device for realizing heat transfer between materials between two or more than two fluids with different temperatures, and the heat is transferred from the fluid with higher temperature to the fluid with lower temperature, so that the temperature of the fluid reaches the index specified by the flow to meet the requirements of people.
In the field of refrigeration and heating, heat exchangers are widely used, for example, traditional air-conditioning fin-sheathed copper tube heat exchangers are all in a linear shape, an L shape and a U shape, air is swept by the outer surfaces of fins, and a heat exchange working medium flows in the tubes. Most of the windward surface of the linear heat exchanger is straight, and the heat exchanger occupies a large space and volume, so that the heat exchange material rate is low.
Disclosure of Invention
An object of the utility model is to improve prior art's shortcoming, provide an annular heat exchanger, improve heat exchange efficiency.
The technical scheme is as follows:
annular heat exchanger, including heat exchange tube and fin, the through-hole has been seted up on the fin, the fin passes through the through-hole cover is established on the heat exchange tube, the heat exchange tube is provided with entrance point and exit end, and the cover is equipped with the fin the heat exchange tube curls spirally, annular heat exchanger has first port and second port.
The radiating fin is arranged on the edge of the through hole, and the inner side surface of the protruding surface is flush with or concave to the inner side surface of the through hole.
The inner side surface of the protruding surface is in contact with the outer wall of the heat exchange tube.
The protruding surface protrudes towards one side of the radiating fin, the cross section of the radiating fin is clamped on the heat exchange tube, and any side of the radiating fin is L-shaped.
The inlet end and the outlet end are both arranged on the inner side of the annular heat exchanger.
The distance between adjacent heat exchange tubes is a tube pitch, the size of the radiating fins in the axial direction of the annular heat exchanger is a span, and the tube pitch is 0.8 to 1.2 times of the span; the diameter of the annular heat exchanger is 0.3 to 3 times the height of the annular heat exchanger; the diameter of the annular heat exchanger is 30 to 70 times of that of the heat exchange tube.
The annular heat exchanger is provided with a plurality of heat exchange tubes which are spirally curled side by side.
The plurality of heat exchange tubes are communicated at the inlet end and the outlet end.
The inlet end and the outlet end are both configured to bend inwardly and are located on the first port and the second port, respectively.
The method for using the annular heat exchanger comprises the following steps,
a first heat exchange working medium enters from the inlet end of the annular heat exchanger, flows around the spiral heat exchange tube to the outlet end,
the second heat exchange working medium or air flows from the inner side of the annular heat exchanger to the outer side or from the outer side of the annular heat exchanger to the inner side,
the first heat exchange working medium and the second heat exchange working medium or air exchange heat through the heat exchange tube and the radiating fins.
It should be noted that:
the foregoing "first, second, third.
The second port is two openings at the end part of the annular heat exchanger;
the advantages or principles of the invention are explained below:
1. the heat radiating fin is sleeved on the heat exchanging tube, then the heat exchanging tube is spirally curled to form an annular heat exchanger, a first heat exchanging working medium enters from an inlet end of the heat exchanging tube and then comes out from an outlet end, a second heat exchanging working medium or air flows towards the inside from the outside of the annular heat exchanger, the second heat exchanging working medium or air contacts with the heat radiating fin and exchanges heat on the heat radiating fin, the annular heat exchanger can enable the second heat exchanging working medium or air to enter the inside of the annular heat exchanger from all directions, the flow distribution is uniform, therefore, the heat exchanging efficiency is improved, and under the same heat exchanging area, the size of the annular heat exchanger is smaller, the space is saved, and therefore, the heat exchanging efficiency is.
2. The fin is provided with the protruding face at the through-hole edge, and the medial surface of protruding face with the medial surface parallel and level or the concave direction of through-hole the medial surface of through-hole for the fin cover is established and is held in can forming card on the heat exchange tube, is favorable to the stability and the location of fin.
3. The inner side surface of the protruding surface is in contact with the outer wall of the heat exchange tube, so that the contact area between the radiating fin and the heat exchange tube is increased, and the heat exchange rate can be effectively increased.
4. The protruding surface protrudes towards one side of the heat exchange fins, so that the processing is more convenient, and the cross section is in an L shape, so that the distance between the heat exchange fins is the height of the protruding surface, and the distance between the radiating fins is effectively controlled.
5. The inlet end and the outlet end are arranged on the inner side of the annular heat exchanger, and can be connected on the inner side of the annular heat exchanger when being connected with an external pipeline, so that the volume of the heat exchanger is effectively reduced.
6. The tube pitch is 0.8 to 1.2 times of the span, so that the radiating fins are not overlapped and are partially overlapped, the distance between the radiating fins is controlled, and the space of a second heat exchange working medium or air during flowing is ensured, thereby controlling the heat exchange efficiency; in addition, the diameter of the annular heat exchanger is 0.3 to 3 times of the height, the diameter is controlled in a proper proportion, heat exchange is facilitated, if the diameter ratio is too small, the heat exchange efficiency of the first heat exchange working medium in the heat exchange pipe at the tail end is reduced, and if the diameter ratio is too large, the first heat exchange working medium flows out of the annular heat exchanger without sufficient heat exchange; the diameter of the annular heat exchanger is 30 to 70 times of that of the heat exchange tube, and the proper value is realized by controlling the size of the heat exchange tube and the diameter of the annular heat exchanger, so that the heat exchange efficiency is improved.
7. The heat exchange tubes are spirally curled side by side, and compared with a heat exchanger with a single heat exchange tube, the heat exchange rate is greatly improved.
8. The inlet ends and the outlet ends of the plurality of heat exchange tubes are communicated, so that the communicated positions can be connected with external pipelines, and then the external pipelines flow through the plurality of heat exchange tubes, and the interchangeability is increased.
9. The inlet end and the outlet end are both arranged to be bent inwards, so that the connection with an external pipeline is more convenient, and the obstruction and the influence on the installation can be avoided.
Drawings
FIG. 1 is a top view of an annular heat exchanger according to an embodiment of the present invention;
fig. 2 is a left side view of an annular heat exchanger according to an embodiment of the present invention;
FIG. 3 is a top view of a heat sink in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a heat exchange tube and a heat sink according to an embodiment of the present invention.
Description of reference numerals:
10. a heat exchange pipe; 11. an inlet end; 12. an outlet end; 20. a heat sink; 21. a through hole; 22. a protruding surface; 30. a first port; 40. a second port.
Detailed Description
The following describes embodiments of the present invention in detail.
The first embodiment is as follows:
as shown in fig. 1 to 4, the annular heat exchanger includes a heat exchange tube 10 and a heat sink 20, the heat sink 20 is provided with a through hole 21, the heat sink 20 is sleeved on the heat exchange tube 10 through the through hole 21, the heat exchange tube 10 is provided with an inlet end 11 and an outlet end 12, the heat sink 20 is sleeved on the heat exchange tube 10, the heat exchange tube 10 is spirally curled, and the annular heat exchanger has a first port 30 and a second port 40. The heat sink 20 is in the through-hole 21 edge is provided with protruding face 22, the medial surface of protruding face 22 with the medial surface parallel and level or the concave of through-hole 21 the medial surface of through-hole 21, the medial surface of protruding face 22 with the heat exchange tube 10 outer wall contacts, protruding face 22 orientation one side of heat sink 20 is outstanding, the cross section centre gripping of heat sink 20 is in on the heat exchange tube 10, and any side all is "L" type. The inlet end 11 and the outlet end 12 are both arranged to curve inwardly and are located on the first port 30 and the second port 40, respectively.
Wherein the inlet end 11 and the outlet end 12 are both arranged inside the annular heat exchanger. The distance between adjacent heat exchange tubes 10 is a tube pitch, the dimension of the radiating fin 20 in the axial direction of the annular heat exchanger is a span, and the tube pitch is 0.8 to 1.2 times of the span; the diameter of the annular heat exchanger is 0.3 to 3 times the height of the annular heat exchanger; the diameter of the annular heat exchanger is 30 to 70 times of the diameter of the heat exchange tube 10.
In addition, the annular heat sink may be circular or polygonal in a top view, such as triangular, quadrangular, pentagonal, etc.
The method for using the annular heat exchanger comprises the following steps,
a first heat exchange working medium enters from an inlet end 11 of the annular heat exchanger, flows around the spiral heat exchange tube 10 and flows to an outlet end 12,
the second heat exchange working medium or air flows from the inner side of the annular heat exchanger to the outer side or from the outer side of the annular heat exchanger to the inner side,
the first heat exchange working medium and the second heat exchange working medium or air exchange heat through the heat exchange tube 10 and the heat sink 20.
The advantages of this embodiment:
1. the heat radiating fins 20 are sleeved on the heat exchanging tube 10, then the heat exchanging tube 10 is spirally curled to form an annular heat exchanger, a first heat exchanging working medium enters from an inlet end 11 of the heat exchanging tube 10 and then comes out from an outlet end 12, a second heat exchanging working medium or air flows from the outside to the inside of the annular heat exchanger, the second heat exchanging working medium or air contacts with the heat radiating fins 20 and exchanges heat on the heat radiating fins 20, the annular heat exchanger can enable the second heat exchanging working medium or air to enter the inside of the annular heat exchanger from all directions, the flow distribution is uniform, therefore, the heat exchanging efficiency is improved, and under the same heat exchanging area, the size of the annular heat exchanger is smaller, the space is saved, and therefore, the heat exchanging efficiency.
2. The radiating fin 20 is provided with a protruding surface 22 at the edge of the through hole 21, and the inner side surface of the protruding surface 22 is flush with or concave towards the inner side surface of the through hole 21, so that the radiating fin 20 is sleeved on the heat exchange tube 10 to form clamping, and the stability and the positioning of the radiating fin 20 are facilitated.
3. The inner side surface of the protruding surface 22 contacts the outer wall of the heat exchange tube 10, so that the contact area between the heat sink 20 and the heat exchange tube 10 is increased, and the heat exchange rate can be effectively increased.
4. The protruding surface 22 protrudes only towards one side of the heat exchange plate, so that the processing is more convenient, and the cross section is in an L shape, so that the distance between the heat exchange plates is the height of the protruding surface 22, and the distance between the radiating fins 20 is effectively controlled.
5. The inlet end 11 and the outlet end 12 are both arranged on the inner side of the annular heat exchanger, and can be connected on the inner side of the annular heat exchanger when being connected with an external pipeline, so that the volume of the heat exchanger is effectively reduced.
6. The tube pitch is 0.8 to 1.2 times of the span, so that the radiating fins 20 are not overlapped and are partially overlapped, the distance between the radiating fins 20 is controlled, and the space of a second heat exchange working medium or air during flowing is ensured, so that the heat exchange efficiency is controlled; in addition, the diameter of the annular heat exchanger is 0.3 to 3 times of the height, and is controlled in a proper proportion, so that heat exchange is facilitated, if the diameter ratio is too small, the heat exchange efficiency of the first heat exchange working medium in the heat exchange tube 10 at the tail end is reduced, and if the diameter ratio is too large, the first heat exchange working medium flows out of the annular heat exchanger without sufficient heat exchange; the diameter of the annular heat exchanger is 30 to 70 times of that of the heat exchange tube 10, and the proper value is realized by controlling the size of the heat exchange tube and the diameter of the annular heat exchanger, so that the heat exchange efficiency is improved.
7. The inlet end 11 and the outlet end 12 are both arranged to be bent inwards, so that the connection with an external pipeline is more convenient, and the installation is not influenced by the obstruction.
Example two:
the difference between the second embodiment and the first embodiment is that,
the annular heat exchanger is provided with a plurality of heat exchange tubes 10, the heat exchange tubes 10 are spirally curled side by side, and the inlet end 11 and the outlet end 12 of the plurality of heat exchange tubes 10 are communicated.
The advantages of this embodiment:
1. the heat exchanger 10 is provided with many the heat exchange tube 10 curls side by side heliciform ground, compares in the heat exchanger of a list heat exchange tube 10, and heat transfer rate improves greatly.
2. The plurality of heat exchange tubes 10 are in communication at both the inlet end 11 and the outlet end 12, which ensures that the communication positions are connected with external pipelines and then flow through the plurality of heat exchange tubes 10, so that interchangeability is increased.
The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (9)
1. The annular heat exchanger is characterized by comprising a heat exchange tube and a heat radiating fin, wherein a through hole is formed in the heat radiating fin, the heat radiating fin is sleeved on the heat exchange tube through the through hole, the heat exchange tube is provided with an inlet end and an outlet end, the heat radiating fin is sleeved with the heat exchange tube which is spirally curled, and the annular heat exchanger is provided with a first port and a second port.
2. The ring-shaped heat exchanger according to claim 1, wherein the fin is provided with a protruding surface at an edge of the through-hole, and an inner side surface of the protruding surface is flush with or recessed toward the inner side surface of the through-hole.
3. The annular heat exchanger according to claim 2, wherein the inner side surface of the projecting surface is in contact with the outer wall of the heat exchange tube.
4. The ring heat exchanger as claimed in claim 3, wherein the protruding face protrudes toward one side of the fin, the fin is clamped to the heat exchange tube in cross section, and is L-shaped on either side.
5. The annular heat exchanger according to any of claims 1 to 4, wherein the inlet end and the outlet end are both arranged inside the annular heat exchanger.
6. The annular heat exchanger according to claim 5, wherein adjacent heat exchange tubes are spaced apart by a tube pitch, the dimension of the fin in the axial direction of the annular heat exchanger is a span, and the tube pitch is 0.8 to 1.2 times the span; the diameter of the annular heat exchanger is 0.3 to 3 times the height of the annular heat exchanger; the diameter of the annular heat exchanger is 30 to 70 times of that of the heat exchange tube.
7. The ring heat exchanger according to claim 5, wherein the ring heat exchanger is provided with a plurality of the heat exchange tubes spirally wound side by side.
8. The annular heat exchanger of claim 7 wherein a plurality of said heat exchange tubes are in communication at said inlet and outlet ends.
9. The ring heat exchanger according to any one of claims 1 to 4, wherein the inlet end and the outlet end are each provided to be bent inward and are located on the first port and the second port, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182033.0U CN209877696U (en) | 2019-01-31 | 2019-01-31 | Ring heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182033.0U CN209877696U (en) | 2019-01-31 | 2019-01-31 | Ring heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209877696U true CN209877696U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920182033.0U Active CN209877696U (en) | 2019-01-31 | 2019-01-31 | Ring heat exchanger |
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| Country | Link |
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| CN (1) | CN209877696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813149A (en) * | 2019-01-31 | 2019-05-28 | 苏宇贵 | Ring type heat exchanger and its application method |
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2019
- 2019-01-31 CN CN201920182033.0U patent/CN209877696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813149A (en) * | 2019-01-31 | 2019-05-28 | 苏宇贵 | Ring type heat exchanger and its application method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200717 Address after: 510900 "Sanfu Tian" section of Gutang natural village, Qigan Lingnan village, Aotou Town, Conghua City, Guangdong Province Patentee after: GUANGZHOU M UNIVERSE AIR CONDITIONING TECH.DEVELOPMENT Co.,Ltd. Address before: 510935 Pearl Industrial Park, Conghua District, Guangzhou City, Guangdong Province Patentee before: Su Yugui |