CN115265243B - Heat exchanger and combined device - Google Patents
Heat exchanger and combined device Download PDFInfo
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- CN115265243B CN115265243B CN202210887091.XA CN202210887091A CN115265243B CN 115265243 B CN115265243 B CN 115265243B CN 202210887091 A CN202210887091 A CN 202210887091A CN 115265243 B CN115265243 B CN 115265243B
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- runner
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- flow
- hot runner
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- 239000012530 fluid Substances 0.000 claims description 102
- 239000007788 liquid Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 12
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- 230000002035 prolonged effect Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005219 brazing Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 235000011888 snacks Nutrition 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
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- 238000004064 recycling Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
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- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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Classifications
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
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- 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 discloses a heat exchanger and a combined device, the heat exchanger comprises: the heat exchanger body comprises a cold runner and a hot runner, wherein the cold runner is in contact with the hot runner, the flow direction of the cold runner is opposite to that of the hot runner, the flow cross-section area of a hot runner outlet of the hot runner is smaller than that of a hot runner inlet of the hot runner, and the flow cross-section area of a cold runner outlet of the cold runner is smaller than that of a cold runner inlet of the cold runner; the heat of the hot runner is transferred to the cold runner, and the temperature of the cold runner is increased after the cold runner absorbs the heat of the hot runner, so that the heat exchange between the hot runner and the cold runner is effectively realized; the flow directions of the air flows passing through the cold flow channel and the hot flow channel are opposite, so that the transportation directions of the hot flow and the cold flow are opposite in the heat exchange process, the countercurrent heat exchange is formed, compared with the prior cross flow heat exchange, the countercurrent heat exchange has large logarithmic temperature difference, the required heat exchange area is small, the heat exchange time is prolonged, and the heat exchange efficiency is improved.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchanger and a combined device.
Background
Heat exchangers, also known as heat exchangers, are used to transfer heat from a hot fluid to a cold fluid to reduce energy loss, and are an industrial application of convective and conductive heat transfer. In the existing heat energy recovery process, hot fluid and cold fluid are respectively sent into a heat exchange device, after entering the heat exchange device, heat of the hot fluid can be transferred to the cold fluid, and the temperature of the cold fluid rises after absorbing the heat transferred by the hot fluid, so that heat energy recovery is completed, and heat energy recycling is realized. At present, the main stream heat exchanger in the market has the advantages that cold fluid and hot fluid are subjected to staggered heat exchange, the two channels form 90 degrees, the channels are crossed to cause uneven heat exchange, the cold and hot heat exchange time is short, and the heat exchange efficiency of the heat exchanger is low.
Disclosure of Invention
According to the heat exchanger, the technical problem of low heat exchange efficiency of the heat exchanger in the prior art is solved, and the heat exchange efficiency of the heat exchanger is improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a heat exchanger, comprising:
the heat exchanger body comprises a cold runner and a hot runner, wherein the cold runner is in contact with the hot runner, the flow direction of the cold runner is opposite to that of the hot runner, the flow cross section of a hot runner outlet is smaller than that of a hot runner inlet, and the flow cross section of the cold runner outlet is smaller than that of the cold runner inlet.
Further, a first included angle is formed between the hot fluid inlet and the cold fluid outlet, and a second included angle is formed between the hot fluid outlet and the cold fluid inlet.
Further, the contact surface of the hot runner and the cold runner is an inclined surface or an arc surface.
Further, the hot runner is located above the cold runner, and the inclined surface is inclined from the cold runner toward the hot runner.
Further, a brazing layer is arranged between the hot runner and the cold runner.
Further, a heat flow guide strip is arranged between two adjacent heat flow inlets, and a cold flow guide strip is arranged between two adjacent cold flow inlets.
Further, a fin body is arranged in the cold runner and/or the hot runner.
Further, the fin body is provided with a plurality of grooves with alternate concavities and convexities along the x-axis direction.
Further, the grooves are arranged in a straight shape or a corrugated shape.
Another object of the invention is: the utility model provides a composite set, including the device body, the device body includes two heat transfer areas that symmetry set up, the both ends of device body are provided with first export and second export respectively, two the heat flow export of heat transfer area respectively with first export intercommunication, two the cold flow export of heat transfer area respectively with the second export intercommunication, two at least one of heat transfer area is the heat exchanger that the description was foretell.
Compared with the prior art, the invention has the beneficial effects that:
the heat exchanger has the advantages that through the matched use of the cold runner and the hot runner, the cold runner is in contact with the hot runner, the heat of the hot runner is transferred to the cold runner, the temperature of the cold runner is increased after the cold runner absorbs the heat of the hot runner, the heat exchange between the hot runner and the cold runner is effectively realized, the heat energy recovery is completed, the heat energy recycling is realized, and the energy consumption is reduced; the flow directions of the air flows of the cold flow channel and the hot flow channel are opposite, so that the transportation directions of the hot flow and the cold flow are opposite in the heat exchange process, and the countercurrent heat exchange is formed, compared with the prior cross-flow heat exchange, the countercurrent heat exchange has large logarithmic temperature difference, the required heat exchange area is small, the heat exchange time is prolonged, and the heat exchange efficiency is improved; the flow cross section of the hot fluid outlet of the hot runner is smaller than the flow cross section of the hot runner inlet of the hot runner, the flow cross section of the cold fluid outlet of the cold runner is smaller than the flow cross section of the cold fluid inlet of the cold runner, the time of the hot fluid passing through the hot runner and the time of the cold fluid passing through the cold runner are effectively slowed down, the residence time of the cold fluid in the cold runner is further prolonged, and the residence time of the hot fluid in the hot runner is prolonged, so that the cold fluid and the hot fluid can exchange heat fully, and the heat exchange effect of the heat exchanger is effectively improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of a heat exchanger body according to the present invention.
Fig. 3 is a schematic diagram of the structure at a in fig. 2.
Fig. 4 is a schematic structural diagram at E in fig. 2.
FIG. 5 is a schematic cross-sectional view of a hot runner according to the present invention.
FIG. 6 is a schematic cross-sectional view of a cold runner of the present invention.
FIG. 7 is a schematic diagram of the structure of the gas-liquid separator of the present invention.
FIG. 8 is a schematic view of a hot runner according to the present invention.
Fig. 9 is a schematic view of the structure of the manifold of the present invention.
Figure 10 is a schematic view of the structure of the snack piece body of the present invention.
Fig. 11 is a schematic diagram of the structure at B in fig. 10.
Figure 12 is a second schematic view of the structure of the snack piece body of the present invention.
Fig. 13 is a schematic view of the structure at C in fig. 12.
Figure 14 is a third schematic view of the structure of the snack piece body of the present invention.
Fig. 15 is a schematic diagram of the structure at D in fig. 14.
Figure 16 is a schematic view of the structure of the snack piece body of the present invention.
Fig. 17 is a schematic diagram of the structure of the fin body stack of the present invention.
Fig. 18 is a schematic structural view of the device body of the present invention.
Fig. 19 is a schematic view of another structure of the device body of the present invention.
Reference numerals:
1. a heat exchanger body; 11. a hot runner; 11a, a heat flow inlet; 11b, a heat flow outlet; 12. a cold runner; 12a, cold flow inlet; 12b, cold flow outlet; 13. a contact surface; 14. a heat flow guide bar; 15. cold flow guide strips; 16. a mounting flange;
2. a gas-liquid separation device; 21. a manifold; 211. a sink groove; 212. a buffer section; 22. collecting pipes;
3. a first included angle;
4. a second included angle;
5. a fin body; 51a, a straight portion; 51b, an arc-shaped portion; 52. a groove; 53. a boss; 54. a recessed portion;
6. a device body; 61. a heat exchange area; 62. a first outlet; 63. a second outlet.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
The terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the drawings are intended to cover, but not exclude, other matters. The word "a" or "an" does not exclude the presence of a plurality.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the battery cell of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Further, expressions of directions such as x-axis direction, y-axis direction, and z-axis direction, which are indicative of the operations and configurations of the respective members of the heat exchanger of the present embodiment, are not absolute but relative, and although these indications are appropriate when the respective members of the heat exchanger are in the positions shown in the drawings, these directions should be interpreted differently when these positions are changed to correspond to these changes.
Furthermore, the terms first, second and the like in the description and in the claims of the present application or in the above-described figures, are used for distinguishing between different objects and not for describing a particular sequential order, and may be used to expressly or implicitly include one or more such features.
In the description of the present application, unless otherwise indicated, the meaning of "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two).
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., the terms "connected" or "coupled" of a mechanical structure may refer to a physical connection, e.g., the physical connection may be a fixed connection, e.g., by a fastener, such as a screw, bolt, or other fastener; the physical connection may also be a detachable connection, such as a snap-fit or snap-fit connection; the physical connection may also be an integral connection, such as a welded, glued or integrally formed connection. "connected" or "connected" of circuit structures may refer to physical connection, electrical connection or signal connection, for example, direct connection, i.e. physical connection, or indirect connection through at least one element in the middle, so long as circuit communication is achieved, or internal communication between two elements; signal connection may refer to signal connection through a medium such as radio waves, in addition to signal connection through a circuit. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 to 6, the heat exchanger provided in the embodiments of the present application includes a heat exchanger body 1, the heat exchanger body 1 includes a cold runner 12 and a hot runner 11, the cold runner 12 contacts the hot runner 11, the flow direction of fluid in the cold runner 12 and the hot runner 11 is opposite, the flow cross-sectional area of a hot runner 11 outlet 11a of the hot runner 11 is smaller than the flow cross-sectional area of a hot runner inlet 11a, and the flow cross-sectional area of a cold runner 12 outlet 12b is smaller than the flow cross-sectional area of a cold runner inlet 12 a.
Compared with the prior art, the heat exchanger provided by the embodiment of the application has the advantages that through the cooperation of the cold runner 12 and the hot runner 11, the cold runner 12 is in contact with the hot runner 11, the heat of the hot runner 11 is transferred to the cold runner 12, the temperature of the cold runner 12 is increased after the heat of the hot runner 11 is absorbed, the heat exchange between the hot runner 11 and the cold runner 12 is effectively realized, the heat recovery is completed, the recycling of the heat energy is realized, and the energy consumption is reduced; the flow directions of the air flows of the cold runner 12 and the hot runner 11 are opposite, so that the transportation directions of the hot flow and the cold flow are opposite in the heat exchange process, and counter flow is formed; through the arrangement that the flow cross section of the hot runner 11 outlet 11b is smaller than the flow cross section of the hot runner 11 inlet, the flow cross section of the cold runner 12 outlet 12b is smaller than the flow cross section of the cold runner inlet 12a, the time of the hot fluid passing through the hot runner 11 and the time of the cold fluid passing through the cold runner 12 are effectively slowed down, the stay time of the cold fluid in the cold runner 12 is further prolonged, and the stay time of the hot fluid in the hot runner 11 is further prolonged, so that the cold fluid and the hot fluid exchange heat fully, and the heat exchange effect of the heat exchanger is effectively improved.
In some embodiments, a plurality of cold runners 12 and hot runners 11 may be provided, and the plurality of cold runners 12 and the plurality of hot runners 11 are sequentially stacked alternately, which is effective to fully contact cold fluid in the cold runner 12 and hot fluid in the hot runner 11 and improve heat exchange efficiency.
In some embodiments, a braze layer is provided between the hot runner 11 and the cold runner 12.
The hot runner 11 and the cold runner 12 are welded by brazing; through adopting the brazing welding between hot runner 11 and cold runner 12, effectual connection hot runner 11 and cold runner 12 can wholly weld the heat exchanger through brazing, and the stress and the deformation that cause are less, guarantee the dimensional accuracy of weldment easily to prevent that hot runner 11 and cold runner 12 from appearing the problem of deformation in the course of working.
It should be noted that, the hot runner 11 and the cold runner 12 may be welded or spliced, and may be set according to actual requirements during processing.
In some embodiments, referring to fig. 2 to 4, a first included angle 3 is formed between the hot-flow inlet 11a and the cold-flow outlet 12b, and a second included angle 4 is formed between the hot-flow outlet 11b and the cold-flow inlet 12 a; through the cooperation of cold flow inlet 12a, cold flow outlet 12b, hot flow inlet 11a, hot flow outlet 11b, cold flow inlet 12a sets up in cold runner 12's one end, cold flow outlet 12b sets up in cold runner 12's the other end, cold flow inlet 12a and cold flow outlet 12b communicate with cold runner 12, cold fluid has cold flow inlet 12a to go into cold runner 12, rethread cold flow outlet 12b discharges, hot flow inlet 11a sets up in hot runner 11's one end, hot flow outlet 11b sets up in hot runner 11's the other end, hot flow inlet 11a and hot flow outlet 11b communicate with hot runner 11, hot fluid has hot flow inlet 11a to go into hot runner 11, rethread hot flow outlet 11b discharges, the circulation of effectual realization cold runner 12 and hot runner 11. Through the setting of first contained angle 3, second contained angle 4, be formed with first contained angle 3 between heat flow inlet 11a and the cold flow export 12b, be formed with second contained angle 4 between heat flow export 11b and the cold flow import 12a, the effectual air current flow direction that makes hot runner 11 and cold runner 12 is opposite.
Specifically, the first included angle 3 and the second included angle 4 are symmetrically arranged, so that pressure drop generated in the cold runner 12 and the hot runner 11 is effectively reduced, and energy consumption is reduced.
Specifically, the angle of the first included angle 3 and the second included angle 4 is 60-150 degrees, the larger the included angle of the first included angle 3 and the included angle of the second included angle 4, the larger the contact area 13 of the hot runner 11 and the cold runner 12 is, so that the heat exchange area of hot fluid and cold fluid is increased, and conversely, the smaller the included angle of the first included angle 3 and the included angle of the second included angle 4 is, the smaller the contact area 13 of the hot runner 11 and the cold runner 12 is, so that the heat exchange area of the hot fluid and the cold fluid is reduced, therefore, the contact area 13 of the hot runner 11 and the cold runner 12 can be ensured in the range, and the overlarge occupied area of the heat exchanger can be prevented.
Optionally, the angles of the first included angle 3 and the second included angle 4 are 60-70 degrees, 70-80 degrees, 80-90 degrees, 90-100 degrees, 100-110 degrees, 110-120 degrees, 120-130 degrees, 130-140 degrees or 140-150 degrees, and can be selected according to actual requirements when in use.
In some embodiments, referring to fig. 7-9, the contact surface 13 of the hot runner 11 and the cold runner 12 is an inclined surface or an arc surface.
In some embodiments, the hot runner 11 is located above the cold runner 12, with the inclined surface sloping from the cold runner 12 toward the hot runner 11.
The contact surface 13 of the hot runner 11 and the cold runner 12 is an inclined surface or an arc surface and the contact surface 13 is a plane, so that the area of the contact surface 13 of the hot runner 11 and the cold runner 12 is effectively increased, meanwhile, the inclined surface is inclined in the direction of the hot runner 11 hot runner outlet 11b, the effective hot runner 11 is contracted in the direction from the hot runner inlet 11a to the hot runner outlet 11b, the cold runner 12 is contracted in the direction from the cold runner inlet 12a to the cold runner outlet 12b, the sizes of the hot runner 11a and the cold runner inlet 12a are enlarged, hot fluid is convenient to enter the hot runner 11, cold fluid enters the cold runner 12, the sizes of the hot runner outlet 11b and the cold runner outlet 12b are reduced, the speed of cold fluid in the cold runner 12 is effectively reduced, the speed of hot fluid in the hot runner 11 is discharged from the hot runner outlet 11b, further, the residence time of the cold fluid in the cold runner 12 is prolonged, the residence time of the hot fluid in the hot runner 11 is prolonged, therefore the cold fluid and the heat exchanging effect of the heat exchanger is effectively improved.
Specifically, the inclination angle of the inclined plane is 15-75 degrees, optionally, the inclination angle of the inclined plane is 15-25 degrees, 25-35 degrees, 35-45 degrees, 45-55 degrees, 55-65 degrees or 65-75 degrees, and the inclined plane can be selected according to actual requirements when in use.
In some embodiments, referring to fig. 3 to 4, a hot flow guide strip 14 is disposed between two adjacent hot flow inlets 11a, and a cold flow guide strip 15 is disposed between two adjacent cold flow inlets 12 a. Through the arrangement of the hot flow guide strip 14 and the cold flow guide strip 15, when the hot fluid enters the hot runner 11 through the hot flow inlet 11a and the cold fluid enters the cold runner 12 through the cold flow inlet 12a, the resistance of the hot fluid and the cold fluid is reduced, and the heat exchange rate is effectively improved.
It should be noted that the cross-sectional shape of the hot flow guiding strip 14 and the cross-sectional shape of the cold flow guiding strip 15 may be set according to practical requirements, such as V-shape, circular arc shape, triangle shape, etc.
In some embodiments, referring to fig. 10-17, fin bodies 5 are disposed within the cold runner 12 and/or the hot runner 11. Through the arrangement of the fin body 5, the fin body 5 is arranged in the cold runner 12 and/or the hot runner 11, and the fin body 5 is used for assisting the cold runner 12 to transport cold fluid and assisting the hot runner 11 to transport hot fluid.
In some embodiments, referring to fig. 10 to 11, the fin body 5 is provided with a plurality of grooves 52 with alternate concavities and convexities along the x-axis direction. Through the arrangement of the grooves 52, a plurality of grooves 52 with alternate concave and convex are arranged on the fin body 5 along the x-axis direction, the grooves 52 are used for conveying hot fluid or cold fluid, the hot fluid enters the hot runner 11 from the hot fluid inlet 11a, and after the cold fluid enters the cold runner 12 from the cold fluid inlet 12a, the cold fluid or the hot fluid is dispersed through the grooves 52, so that the heat exchange effect of the hot fluid and the cold fluid is improved.
In some embodiments, referring to fig. 10-13, the grooves 52 are arranged in a straight or corrugated configuration. By the arrangement of the shape of the grooves 52, the grooves 52 are straight or corrugated, and compared with the straight shape, the grooves 52 are corrugated, so that when the grooves 52 transport hot fluid or cold fluid, the grooves have a certain turbulence effect on the hot fluid or cold fluid, and the residence time of the hot fluid or cold fluid in the fin body 5 is increased, so that the heat exchange effect is improved.
In some embodiments, referring to fig. 14 to 15, a plurality of equally spaced protrusions 53 are disposed on one side of each groove 52, and a plurality of equally spaced recesses 54 are disposed on the other side of each groove 52. Through the cooperation use of the protruding portion 53 and the recessed portion 54, when the groove 52 transports hot fluid or cold fluid, the heat exchange fin has a certain turbulent flow effect on the hot fluid or the cold fluid, and the residence time of the hot fluid or the cold fluid in the fin body 5 is prolonged, so that the heat exchange effect is improved.
The cross-sectional shape of the groove 52, the cross-sectional shape of the convex portion 53, and the cross-sectional shape of the concave portion 54 are one of triangular, square, trapezoidal, pentagonal, hexagonal, circular, and elliptical.
It should be noted that, the number and the size of the grooves 52, the protruding portions 53, and the recessed portions 54 may be set according to actual requirements, and the distances between the two adjacent grooves 52, the two adjacent protruding portions 53, and the two adjacent recessed portions 54 may also be set according to actual requirements.
It should be noted that, the fin body 5 is manufactured by adopting an extrusion molding process, and then the arc-shaped portion 51b is manufactured by bending a die, so that the manufacturing process is simple, and the mass production of the fin body 5 is facilitated.
It should be noted that, the fin body 5 may also be configured as a windowed or organ type, and when the fin body 5 is configured as an organ type, the fin body 5 is manufactured by adopting an extrusion process, so that a plurality of flow channels are formed in the fin body 5; when the fin body 5 is arranged to be windowed, openings are arranged between two adjacent circulation channels in the fin body 5, so that the circulation speed of hot flow or cold flow in the circulation channels is delayed, and the heat exchange effect is effectively improved.
In some embodiments, the fin body 5 includes a straight portion 51a and an arc portion 51b, where two arc portions 51b are provided, and the two arc portions 51b are respectively provided at two ends of the straight portion 51a, and the two arc portions 51b are integrally formed with the straight portion 51 a; through the cooperation of straight portion 51a, arc portion 51b is provided with two, and two arc portions 51b set up respectively in the both ends of straight portion 51a, and arc portion 51b has certain vortex effect to hot fluid or cold fluid, increases the dwell time of hot fluid or cold fluid in fin body 5, simultaneously, arc portion 51b and straight portion 51a integrated into one piece, effectually makes fin body 5 be streamlined to reduce the pressure drop that produces in cold runner 12 and the hot runner 11, reduce the energy consumption.
In some embodiments, both ends of the hot runner 11 and both ends of the cold runner 12 are provided with mounting flanges 16; through the setting of mounting flange 16, both ends of hot runner 11 and the both ends of cold runner 12 all are provided with mounting flange 16, and effectual enhancement is to the fixed of hot runner inlet 11a, hot runner outlet 11b, cold runner inlet 12a, cold runner outlet 12b, and the heat exchanger of being convenient for is assembled with exhaust equipment or exhaust equipment.
Referring to fig. 1 to 6, a heat exchanger provided in an embodiment of the present application further includes a gas-liquid separation device 2; the gas-liquid separation device 2 is partially disposed at the bottom of the hot runner 11. Through the setting of gas-liquid separation device 2, gas-liquid separation device 2 part sets up in hot runner 11, and in the heat transfer in-process, high temperature gas is in the cooling process, easily has the comdenstion water to separate out, and the comdenstion water of separating out can be through gas-liquid separation device 2 discharge. By arranging the gas-liquid separation device 2 at the bottom of the hot runner 11, condensed water is easy to separate out in the cooling process of high-temperature gas, and the separated condensed water is sunk to the bottom of the hot runner 11 due to the fact that the density of the water is higher than that of the gas, and the gas-liquid separation device 2 discharges the hot runner 11, so that gas-liquid separation is realized.
In some embodiments, the gas-liquid separation device 2 includes a manifold 21 and a header 22, the manifold 21 is disposed in the hot runner 11, the header 22 is disposed on the heat exchanger body 1 along the z-axis direction, one end of the manifold 21 near the hot runner 11b is communicated with the hot runner 11, and the other end of the manifold 21 near the hot runner inlet 11a is communicated with the header 22. Through the cooperation of manifold 21, the cooperation of pressure manifold 22 is used, the manifold 21 is close to the one end and the hot runner 11 intercommunication of hot runner outlet 11b, the manifold 21 is close to the other end and the pressure manifold 22 intercommunication of hot runner inlet 11a, when high temperature gas cooling precipitation comdenstion water, the comdenstion water gets into manifold 21 from hot runner 11, the rethread pressure manifold 22 is discharged from manifold 21, the effectual comdenstion water that gathers, the collection flow, simultaneously, because the inclined plane upwards inclines along the direction of the hot runner 11's hot runner outlet 11b, the comdenstion water flows to the direction of hot runner inlet 11a from manifold 21 again, effectual messenger comdenstion water backward flow, utilize the comdenstion water that flows back to carry out heat exchange with the hot fluid in the hot runner 11, because the specific heat capacity of water is great, can effectual improvement heat exchanger's work efficiency, simultaneously, carry out recycle to the comdenstion water that separates out, resources are saved.
In some embodiments, referring to fig. 9, a converging groove 211 is disposed at the top of the manifold 21 along the y-axis, and the converging groove 211 communicates between the manifold 21 and the hot runner 11. Through the setting of converging groove 211, the top of manifold 21 is provided with converging groove 211 along the y-axis direction, and converging groove 211 intercommunication manifold 21 and hot runner 11, the comdenstion water of precipitation accessible converging groove 211 gets into manifold 21 from hot runner 11, and effectual comdenstion water of precipitation is collected, is converged.
In some embodiments, the collecting grooves 211 may be multiple, and the collecting grooves 211 are disposed at the top of the collecting chamber 21 along the x-axis direction at intervals, so as to effectively improve the collecting and collecting capacity of the separated condensed water.
Specifically, the cross-sectional area of the converging slot 211 is one of triangle, trapezoid, square, pentagon, hexagon, circle and ellipse, and can be set according to practical requirements when in use.
It should be noted that the size and number of the converging grooves 211 may be set according to actual requirements.
In order to prevent part of the condensed water from remaining in the hot runner 11 during the process of collecting and converging, the condensed water flows from the hot runner 11 outlet 11b to the hot runner inlet 11a and is discharged from the hot runner inlet 11a, so that the hot fluid enters the hot runner 11 from the hot runner inlet 11a, a blocking piece may be disposed at the position of the hot runner 11 at the hot runner inlet 11a, or an inclined portion of the hot runner 11 at the position of the hot runner inlet 11a, and a converging groove 211 may be disposed at the front side of the blocking piece or at the lowest point of the inclined portion, so that the condensed water effectively flows into the manifold 21 through the converging groove 211 before being discharged from the hot runner inlet 11 a.
In order to prevent the condensed water from accumulating at the other end of the manifold 21 near the hot runner 11 hot runner inlet 11a, the other end of the manifold 21 near the hot runner 11 hot runner inlet 11a is provided with a convex hull by which the accumulated condensed water is assisted from the manifold 21 into the header 22.
It should be noted that the size and number of the headers 22 may be set according to actual requirements.
In some embodiments, a buffer 212 is disposed within manifold 21 at manifold 211, with the buffer layer communicating between manifold 21 and manifold 211. Through the arrangement of the buffer part 212, the buffer part 212 is positioned at the converging groove 211 in the manifold 21, the buffer part 212 is communicated with the manifold 21 and the converging groove 211, and when condensate water enters the manifold 21 from the converging groove 211, the buffer part 212 can be used for buffering, so that partial gas carried by the condensate water is prevented from entering the manifold 21.
It should be noted that, the buffer portion 212 is provided with a gas-liquid separation filler, and the gas-liquid separation filler includes a filling module formed by winding prismatic metal filaments, and a wavy fine mesh formed by weaving the metal filaments, where the filling module is disposed above the wavy fine mesh, and condensed water achieves the effects of separation, buffering, condensation and multiple frequency separation under the action of the gas-liquid separation filler, so as to prevent the condensed water from carrying part of gas into the manifold 21.
In the heat exchange method of the heat exchanger provided by the embodiment of the application, cold fluid passes through the cold runner 12, hot fluid passes through the hot runner 11, the flow directions of the cold fluid and the hot fluid are opposite, and the cold fluid and the hot fluid exchange heat. By this method, heat exchange is performed between the hot fluid and the cold fluid, heat of the hot fluid is transferred to the cold fluid, and the temperature of the cold fluid increases after absorbing heat of the hot fluid, thereby reducing the temperature of the hot fluid at the hot fluid outlet 11b of the hot runner 11.
Referring to fig. 18 to 19, some embodiments of the present application provide a combined device, including a device body, where the device body includes two heat exchange areas symmetrically disposed, two ends of the device body are respectively provided with a first outlet and a second outlet, hot flow outlets of the two heat exchange areas are respectively communicated with the first outlet, cold flow outlets of the two heat exchange areas are respectively communicated with the second outlet, and at least one of the two heat exchange areas is a heat exchanger in the foregoing description.
Different with prior art, the heat exchange efficiency of this application provided is used through the cooperation of the heat transfer area that two symmetries set up, and simultaneously, the heat flow export of two heat transfer areas and the first export intercommunication of the one end of device body, the effectual hot fluid that converges in two heat transfer areas discharges to first export, the cold flow export of two heat transfer areas and the second export intercommunication of the other end of device body, the effectual cold fluid that converges in two heat transfer areas discharges to the second export, be convenient for concentrate the processing to hot fluid and cold fluid in two heat transfer areas after the heat exchange, and then improve the work efficiency of composite set.
The hot runner 11 described above may introduce the following media:
1. pure gas enters the hot runner 11 from the hot runner inlet 11a for heat exchange, and the gas is discharged from the hot runner outlet 11 b.
2. The gas mixture enters the hot runner 11 from the hot-flow inlet 11a for heat exchange, and the gas is discharged from the hot-flow outlet 11 b.
3. The gas-liquid mixture enters the hot runner 11 from the hot runner inlet 11a for heat exchange, and in the heat exchange process, when the physical property of a certain substance in the gas-liquid mixture is cooled to the condensation point (condensation temperature) of the substance, separation can be realized, and the separated condensed water is discharged from the manifold 21 and the collecting pipe 22, and other gaseous parts are discharged from the hot runner outlet 11 b.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A heat exchanger, comprising:
the heat exchanger body (1) comprises a cold runner (12) and a hot runner (11), wherein the cold runner (12) is in contact with the hot runner (11), a contact surface (13) of the hot runner (11) and the cold runner (12) is an inclined surface or an arc surface, the flow direction of the cold runner (12) and the flow direction of fluid of the hot runner (11) are opposite, the flow cross-sectional area of a hot runner outlet (11 b) of the hot runner (11) is smaller than the flow cross-sectional area of a hot runner inlet (11 a), and the flow cross-sectional area of a cold runner outlet (12 b) of the cold runner (12) is smaller than the flow cross-sectional area of a cold runner inlet (12 a);
the heat exchanger comprises a heat exchanger body (1), and is characterized by further comprising a gas-liquid separation device (2), wherein the gas-liquid separation device (2) is partially arranged at the bottom of the heat runner (11), the gas-liquid separation device (2) comprises a collecting groove (21) and a collecting pipe (22), the collecting groove (21) is arranged in the heat runner (11), the collecting pipe (22) is arranged on the heat exchanger body (1), one end, close to a heat flow outlet (11 b), of the collecting groove (21) is communicated with the heat runner (11), the other end, close to a heat flow inlet (11 a), of the collecting groove (21) is communicated with the collecting pipe (22), a converging groove (211) is arranged at the top of the collecting groove (21), a buffer part (212) is arranged at the position, located in the collecting groove (211), of the collecting groove (21), and the buffer part (212) is communicated with the collecting groove (21) and the converging groove (211).
2. A heat exchanger according to claim 1, wherein a first angle (3) is formed between the hot fluid inlet (11 a) and the cold fluid outlet (12 b), and a second angle (4) is formed between the hot fluid outlet (11 b) and the cold fluid inlet (12 a).
3. A heat exchanger according to claim 1, wherein the hot runner (11) is located above the cold runner (12), the inclined surface being inclined from the cold runner (12) towards the hot runner (11).
4. A heat exchanger according to claim 1, wherein a drill layer is arranged between the hot runner (11) and the cold runner (12).
5. A heat exchanger according to claim 1, wherein a hot flow guide (14) is arranged between two adjacent hot flow inlets (11 a), and a cold flow guide (15) is arranged between two adjacent cold flow inlets (12 a).
6. A heat exchanger according to any one of claims 1-5, wherein fin bodies (5) are arranged in the cold runner (12) and/or the hot runner (11).
7. A heat exchanger according to claim 6, wherein the fin body (5) is provided with a plurality of grooves (52) having alternate concavities and convexities along its width direction.
8. A heat exchanger according to claim 7, wherein the grooves (52) are arranged in a straight or corrugated manner.
9. The combined device is characterized by comprising a device body, wherein the device body (6) comprises two symmetrically arranged heat exchange areas (61), two ends of the device body are respectively provided with a first outlet (62) and a second outlet (63), a hot flow outlet of the two heat exchange areas (61) is respectively communicated with the first outlet (62), a cold flow outlet of the two heat exchange areas (61) is respectively communicated with the second outlet (63), and at least one of the two heat exchange areas (61) is the heat exchanger according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210887091.XA CN115265243B (en) | 2022-07-26 | 2022-07-26 | Heat exchanger and combined device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210887091.XA CN115265243B (en) | 2022-07-26 | 2022-07-26 | Heat exchanger and combined device |
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| CN115265243A CN115265243A (en) | 2022-11-01 |
| CN115265243B true CN115265243B (en) | 2024-01-16 |
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| CN216558476U (en) * | 2021-12-27 | 2022-05-17 | 广东欧赛莱科技有限公司 | Heat exchanger fin and high-efficient heat transfer system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| NL1018672C2 (en) * | 2001-07-31 | 2003-02-06 | Stichting Energie | System for stripping and rectifying a fluid mixture. |
| US20170363361A1 (en) * | 2016-06-17 | 2017-12-21 | Hamilton Sundstrand Corporation | Header for a heat exchanger |
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| JPH0942867A (en) * | 1995-07-28 | 1997-02-14 | Honda Motor Co Ltd | Heat exchanger |
| US6189338B1 (en) * | 1998-02-09 | 2001-02-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Brazed-plates condenser and its application to double air-distillation columns |
| CN201974078U (en) * | 2010-12-01 | 2011-09-14 | 杭州沈氏换热器有限公司 | Microchannel heat exchanger |
| DE202017106727U1 (en) * | 2016-11-07 | 2018-01-03 | Hewitech Gmbh & Co. Kg | Installation device for a device for treating a Nutzfluids with a working fluid |
| CN216558476U (en) * | 2021-12-27 | 2022-05-17 | 广东欧赛莱科技有限公司 | Heat exchanger fin and high-efficient heat transfer system |
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| CN115265243A (en) | 2022-11-01 |
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