CN114111422A - End socket integrated heat exchange multi-flow heat exchanger - Google Patents
End socket integrated heat exchange multi-flow heat exchanger Download PDFInfo
- Publication number
- CN114111422A CN114111422A CN202111472225.3A CN202111472225A CN114111422A CN 114111422 A CN114111422 A CN 114111422A CN 202111472225 A CN202111472225 A CN 202111472225A CN 114111422 A CN114111422 A CN 114111422A
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- Prior art keywords
- fluid
- heat exchanger
- heat
- flow
- flow channel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 104
- 239000006260 foam Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000002528 anti-freeze Effects 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F2009/0285—Other particular headers or end plates
- F28F2009/0292—Other particular headers or end plates with fins
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a seal head integrated heat exchange multi-strand flow heat exchanger, which comprises: the seal head (1) and the core body (2); the core body (2) is at least used for exchanging heat of fluid A and fluid B, and the end socket (1) is arranged on at least one outer surface of the core body (2); the seal head (1) is a wall surface with an inner cavity structure, and a flow channel (7) is arranged in the wall surface; fluid C flows through the flow channel (7) to exchange heat with the fluid A or the fluid B. The heat exchange structure is integrated in the end socket, the flow channel is arranged in the wall surface of the end socket, the fins are additionally arranged on the inner surface of the end socket, and other fluids except two fluids subjected to heat exchange in the core body are introduced by the end socket to participate in heat exchange, so that the requirement of simultaneously adopting a plurality of strands of fluids to cool or heat a certain strand of fluid is met, and the compactness of the multi-strand heat exchanger is effectively improved.
Description
Technical Field
The application relates to the field of heat exchangers, in particular to a seal head integrated heat exchange multi-flow heat exchanger.
Background
In the fields of airplane environment control systems, liquid cooling systems, fuel oil systems and the like and chemical engineering, multiple strands of cold and heat sources exist, media needing to participate in heat exchange are various, the media comprise air, fuel oil, antifreeze, refrigerant and the like, and a single heat exchanger is needed for heat exchange by utilizing different cold and heat sources.
When multiple flows are needed to exchange heat at the same time, two methods are generally used, one is that the inside of the core body adopts a laminated structure, multiple flows of fluid flow through the inside of the same core body, or the core body is divided into multiple core bodies, and different fluids flow through different core bodies.
In the designs, one fluid and a plurality of fluids exchange heat simultaneously, and the calculation is complex. In addition, the core body generally adopts an integral welding structure, all the fluid strands need to be separated from each other, the structure is complex, the possibility of leakage among all the fluid strands exists, and the integral reliability of the heat exchanger is reduced. Particularly, when the heat sink or the heat load is different fluids, and the volume flow difference between the different fluids is large, and the difference of the heat exchange coefficients is large, for example, when air and antifreeze are simultaneously used as the heat sink (or the heat load) to cool (or heat) another fluid, the integrated design of the product structure is difficult, and in such a case, a plurality of heat exchangers are generally required to be respectively designed to simultaneously meet the requirements of the heat exchange performance, the weight and the space structure.
Disclosure of Invention
The invention provides an end socket integrated heat exchange multi-strand heat exchanger, which solves the problems of complex calculation, complex structure, low reliability and the like of the conventional multi-strand heat exchanger, and is particularly suitable for multi-strand heat exchange with large volume flow difference.
The invention provides a seal head integrated heat exchange multi-strand flow heat exchanger, which comprises: the end socket 1 and the core body 2; wherein,
the core body 2 is at least used for exchanging heat of a fluid A and a fluid B, and the end socket 1 is arranged on at least one outer surface of the core body 2;
the seal head 1 is a wall surface with an inner cavity structure, and a flow channel 7 is arranged inside the wall surface; fluid C flows through the flow channel 7 to exchange heat with fluid A/fluid B.
Optionally, two diversion cavities 9 are further arranged in the end socket 1, two ends of the flow channel 7 are respectively connected with the two diversion cavities 9, one of the two diversion cavities 9 is provided with a fluid C inlet joint 11 for inflow of the fluid C, and the other is provided with a fluid C outlet joint 10 for outflow of the fluid C.
Optionally, the flow channel 7 is arc-shaped, and the height of the flow channel 7 is not more than 2 mm.
Optionally, a plurality of parallel flow channels 7 are arranged inside the wall surface; or, the wall surface is internally provided with a plurality of fins or regular lattice structures or irregular foam metal structures to isolate the inner cavity of the wall surface, so as to form a flow channel 7.
Optionally, the inner surface of the wall surface facing the core 2 is provided with a plurality of fins 8 to increase the heat exchange area.
Alternatively, the plurality of fins 8 are arranged in parallel, or in a staggered manner.
Optionally, the cross section of the diversion cavity 9 is circular, semicircular or elliptical.
Optionally, when the fluid C exchanges heat with the fluid a, the fluid C inlet joint 11 is located on the side of the fluid a outlet head 4 close to the fluid a, and the fluid C outlet joint 10 is located on the side of the fluid a inlet head 5 close to the fluid a, so as to form a counter-flow structure with the fluid a to improve the heat exchange efficiency.
Optionally, the flow channel 7 comprises at least two segments of separated sub-flow channels for the circulation of at least two fluids.
The invention provides an end socket integrated heat exchange multi-stream heat exchanger, which adopts a heat exchange structure integrated in an end socket, arranges a flow channel in the wall surface of the end socket, adds fins on the inner surface of the end socket, introduces other fluids except two fluids exchanged in a core body by using the end socket to participate in heat exchange, meets the requirement of simultaneously adopting a plurality of streams of fluids (particularly one stream of fluid has volume flow much larger than other fluids) to cool or heat a certain stream of fluid, and effectively improves the compactness of the multi-stream heat exchanger. Meanwhile, different fluids are strictly separated, and each section of heat exchange only exists between two fluids, so that heat transfer among multiple fluids is avoided, and heat exchange calculation is simplified. The end socket can be integrally processed by additive manufacturing, so that the reliability of the multi-strand heat exchanger is improved.
Drawings
FIG. 1 is a schematic structural diagram of a head integrated heat exchange multi-flow heat exchanger;
FIG. 2a is a schematic view I of the structure of an integrated heat exchange head;
FIG. 2b is a schematic diagram of the structure of the integrated heat exchange head;
FIG. 2c is a schematic sectional view of the structure of the integrated heat exchange head;
FIG. 3 is a schematic view of the filling section of the internal flow channel of the integrated heat exchange head;
FIG. 4 is a schematic view of the direction of flow of each fluid in the heat exchanger;
FIG. 5a is a schematic view I of the structure of the integrated heat exchange end socket with the addition of the separating sheet and the adoption of staggered and corrugated fins;
FIG. 5b is a schematic diagram of a structure of an integrated heat exchange end socket with additional separating sheets and staggered and corrugated fins;
FIG. 6 is a schematic view of the overall structure of a multi-flow heat exchanger with other end sockets adopting similar structures;
description of reference numerals:
1-sealing head; 2-a core body; 3-fluid B inlet seal head;
4-fluid A outlet seal head; 5-fluid A inlet seal head; 6-fluid B outlet end enclosure;
7-a flow channel; 8-a fin; 9-a flow guide cavity;
10-fluid C outlet connection; 11-fluid C inlet connection; 12-spacer.
Detailed Description
The end socket integrated heat exchange multi-flow heat exchanger provided by the invention is explained below with reference to the accompanying drawings.
With the development of technology, multi-stream heat exchangers are used in more and more occasions, and the requirements on the compactness of the heat exchanger in many occasions, particularly aircraft, are higher and higher.
Fig. 1, fig. 2a, fig. 2b, and fig. 2c show an end socket integrated heat exchange multi-flow heat exchanger provided by the present invention. The heat exchanger comprises a seal head 1, a core body 2, a fluid B inlet seal head 3, a fluid A outlet seal head 4, a fluid A inlet seal head 5 and a fluid B outlet seal head 6, wherein:
a flow channel 7 is arranged in the wall surface of the seal head 1, a flow guide cavity 9, a fluid C outlet connector 10 and a fluid C inlet connector 11 are arranged on two sides of the seal head 1, the fluid C enters the flow guide cavity 9 through the fluid C inlet connector 11 for flow guide and then flows into the internal flow channel 7, enters the flow guide cavity 9 on the other side after heat exchange through the wall surface and converges and flows out through the fluid C outlet connector 10.
Preferably, the height of the internal flow channel 7 on the wall surface of the end socket 1 is not more than 2mm generally, so that the internal flow channel is a micro channel to strengthen the heat transfer effect, and the strength is high.
Preferably, the internal flow channel 7 on the wall surface of the end socket 1 can be designed into a regular parallel flow channel attached to the arc surface of the end socket so as to reduce the flow resistance; multiple fins of different forms can also be arranged to divide the flow channel 7 into complex bent flow channels, or as shown in fig. 3, the flow channel is filled with a regular array lattice structure or an irregular high-porosity foam structure, so that the heat exchange effect is improved.
Preferably, the inner surface of the end socket 1 is provided with fins 8 to increase the heat exchange area.
Preferably, the fins 8 may be parallel fins, or fins in the form of staggered fins or corrugations or the like may be used to increase the heat exchange coefficient by increasing the turbulence.
Preferably, the diversion cavity 9 of the fluid A turning seal head 1 generally penetrates through the internal flow channel 7, the inner wall surface is smooth, and the cross section can be selected from a circle, a semicircle or an ellipse so as to improve the strength, reduce the flow resistance and ensure the uniform distribution of the fluid C in the internal flow channel 7.
Preferably, the fluid B inlet end enclosure 3 and the fluid C inlet joint 11 are positioned on the side close to the fluid a outlet end enclosure 4, and the fluid B outlet end enclosure 6 and the fluid C outlet joint 10 are positioned on the side close to the fluid a inlet end enclosure 5, so as to form a counter-flow structure with the fluid a to improve the heat exchange efficiency. The flow direction of each fluid in the heat exchanger is schematically shown in FIG. 4.
Preferably, as shown in fig. 5a and 5b, the end socket 1 may further include a partition 12 disposed inside the flow guiding cavity 9 and the flow channel 7 to partition the flow channel into a plurality of sub-flow channels that are not communicated with each other, and further add more inlet and outlet connectors to allow more fluid to participate in heat exchange.
Preferably, as shown in fig. 6, the fluid a outlet head 4, the fluid a inlet head 5, the fluid B inlet head 3, and the fluid B outlet head 6 may all adopt a structure similar to the fluid a elbow head 1, and have corresponding inlets and outlets.
The application examples are as follows: the heat exchanger of a certain type needs to adopt antifreeze and cold air to cool hot air at the same time, and the temperature of the antifreeze is higher than that of the cold air. Because the volume flow of the antifreeze is far less than that of cold air, the integrated design difficulty is high, and two heat exchangers are generally required to be connected in series to meet the requirement. The present invention can be used to meet this need. The antifreeze is fluid C, the cold air is fluid B, and the hot air is fluid a. Hot air is guided from the fluid A inlet end socket 5 to enter the core body 2 to exchange heat with cold air, then flows into the end socket 1 and flows along the fins 8 parallel to the flow direction. The antifreeze flows into the flow guide cavity 9 through the fluid C inlet joint 11 to be guided into the internal flow passage 7, and exchanges heat with hot air through the inner surface of the seal head 1 and the fins 8. The hot air exchanges heat with the antifreeze and then flows into the core body 2 to exchange heat with the cold air, and finally flows out through the fluid A outlet end socket 4. The flow channel 7 is arranged in the wall surface of the end socket 1, the size is very small, the strength is high, and the micro-channel heat exchange strengthening effect is achieved. If more fluid participates in heat exchange, as shown in fig. 5, the partition plates 12 may be disposed inside the diversion cavity 9 and the internal flow passage 7, and corresponding inlet and outlet connectors may be added; or other sealing heads adopt similar structures and are added with corresponding inlet and outlet joints as shown in figure 6.
Illustratively, the end socket 1 provided by the invention has a complex internal structure, can be manufactured in an additive manufacturing mode, and is connected with the core body 2 in a welding or screwing mode.
Finally, it should be noted that the above examples are only illustrative of the implementation of the present invention and are not limiting. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical proposal described in the embodiments can be modified, or some technical features can be equally replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the present invention, and are intended to be included within the scope of the appended claims.
Claims (9)
1. The utility model provides an integrated heat transfer multiple current heat exchanger of head which characterized in that includes: the seal head (1) and the core body (2); wherein,
the core body (2) is at least used for exchanging heat of fluid A and fluid B, and the end socket (1) is arranged on at least one outer surface of the core body (2);
the seal head (1) is a wall surface with an inner cavity structure, and a flow channel (7) is arranged in the wall surface; fluid C flows through the flow channel (7) to exchange heat with the fluid A or the fluid B.
2. The heat exchanger according to claim 1, characterized in that two diversion cavities (9) are further arranged in the head (1), two ends of the flow channel (7) are respectively connected with the two diversion cavities (9), one of the two diversion cavities (9) is provided with a fluid C inlet joint (11) for inflow of the fluid C, and the other diversion cavity is provided with a fluid C outlet joint (10) for outflow of the fluid C.
3. The heat exchanger according to claim 1, characterized in that the flow channels (7) are arc-shaped, the height of the flow channels (7) not exceeding 2 mm.
4. The heat exchanger according to claim 1, characterized in that the wall is internally provided with a plurality of parallel flow channels (7); or a plurality of fins or regular lattice structures or irregular foam metal structures are arranged inside the wall surface to isolate the inner cavity of the wall surface to form a flow channel (7).
5. A heat exchanger according to claim 1, characterised in that the inner surface of the wall facing the core (2) is provided with a plurality of fins (8) to increase the heat exchange area.
6. The heat exchanger according to claim 5, characterized in that the plurality of fins (8) are arranged in parallel or in a staggered manner.
7. A heat exchanger according to claim 2, characterised in that the flow conducting chamber (9) is circular, semi-circular or oval in cross-section.
8. The heat exchanger according to claim 2, wherein when the fluid C exchanges heat with the fluid A, the fluid C inlet joint (11) is positioned on the side of the fluid A outlet head (4) close to the fluid A, and the fluid C outlet joint (10) is positioned on the side of the fluid A inlet head (5) close to the fluid A, so as to form a counter-flow structure with the fluid A to improve the heat exchange efficiency.
9. The heat exchanger according to claim 1, characterized in that the flow channel (7) comprises at least two separate sub-flow channels for the passage of at least two fluids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472225.3A CN114111422A (en) | 2021-12-03 | 2021-12-03 | End socket integrated heat exchange multi-flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472225.3A CN114111422A (en) | 2021-12-03 | 2021-12-03 | End socket integrated heat exchange multi-flow heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114111422A true CN114111422A (en) | 2022-03-01 |
Family
ID=80366470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111472225.3A Pending CN114111422A (en) | 2021-12-03 | 2021-12-03 | End socket integrated heat exchange multi-flow heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114111422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115638678A (en) * | 2022-10-24 | 2023-01-24 | 北京动力机械研究所 | A design method of compact and high-efficiency heat exchanger based on 3D printing and heat exchanger |
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| US20040134650A1 (en) * | 2003-01-09 | 2004-07-15 | Acre James A. | Heat exchanger with integrated flow control valve |
| CN2722175Y (en) * | 2004-01-19 | 2005-08-31 | 邵阳纺织机械有限责任公司 | Heat exchanger |
| CN207585405U (en) * | 2017-12-13 | 2018-07-06 | 四川科新机电股份有限公司 | The inlet and outlet side pipe case and its multi-tube pass heat exchanger of a kind of multi-tube pass heat exchanger |
| CN209065825U (en) * | 2018-05-21 | 2019-07-05 | 江苏龙冶节能科技有限公司 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
| CN210154390U (en) * | 2019-06-18 | 2020-03-17 | 贵州永红换热冷却技术有限公司 | A multi-stream integrated compact high-efficiency heat exchanger |
| CN211120756U (en) * | 2019-09-30 | 2020-07-28 | 中冶华天工程技术有限公司 | Jacketed multi-channel heat exchanger |
| CN214582646U (en) * | 2021-03-02 | 2021-11-02 | 江苏龙冶节能科技有限公司 | Split-cavity water chamber jacket type ascending pipe heat exchanger |
-
2021
- 2021-12-03 CN CN202111472225.3A patent/CN114111422A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040134650A1 (en) * | 2003-01-09 | 2004-07-15 | Acre James A. | Heat exchanger with integrated flow control valve |
| CN2722175Y (en) * | 2004-01-19 | 2005-08-31 | 邵阳纺织机械有限责任公司 | Heat exchanger |
| CN207585405U (en) * | 2017-12-13 | 2018-07-06 | 四川科新机电股份有限公司 | The inlet and outlet side pipe case and its multi-tube pass heat exchanger of a kind of multi-tube pass heat exchanger |
| CN209065825U (en) * | 2018-05-21 | 2019-07-05 | 江苏龙冶节能科技有限公司 | A kind of seamless small jacket type coke oven coke oven uprising tube raw coke oven gas apparatus for vapour-cooling |
| CN210154390U (en) * | 2019-06-18 | 2020-03-17 | 贵州永红换热冷却技术有限公司 | A multi-stream integrated compact high-efficiency heat exchanger |
| CN211120756U (en) * | 2019-09-30 | 2020-07-28 | 中冶华天工程技术有限公司 | Jacketed multi-channel heat exchanger |
| CN214582646U (en) * | 2021-03-02 | 2021-11-02 | 江苏龙冶节能科技有限公司 | Split-cavity water chamber jacket type ascending pipe heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115638678A (en) * | 2022-10-24 | 2023-01-24 | 北京动力机械研究所 | A design method of compact and high-efficiency heat exchanger based on 3D printing and heat exchanger |
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Application publication date: 20220301 |
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