CN212778790U - Special-shaped waste heat recovery heat exchanger - Google Patents
Special-shaped waste heat recovery heat exchanger Download PDFInfo
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- CN212778790U CN212778790U CN202021942877.XU CN202021942877U CN212778790U CN 212778790 U CN212778790 U CN 212778790U CN 202021942877 U CN202021942877 U CN 202021942877U CN 212778790 U CN212778790 U CN 212778790U
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Abstract
The utility model relates to a heterotypic waste heat recovery heat exchanger, its structure comprises outer truss, heat transfer core, heterotypic fin triplex. The heat exchange core is divided into a hot flow channel and a cold flow channel by the special-shaped fins, wherein the hot flow channel and the cold flow channel are respectively provided with a group of inlets and outlets. High-temperature hot flow air flows in from an inlet on the upper end surface of the heat exchange core body and flows out from an outlet on the lower end surface; the low-temperature cold flow air flows in from the right side surface of the core body and flows out from the left side surface. The cold and hot air in the heat exchange core forms cross flow to complete heat exchange. The utility model discloses the advantage: the special-shaped fin partition plate increases the turbulent flow of cold-flow air in the cold air channel, increases the contact area of the cold-flow air and the hot-flow air, prolongs the residence time of the cold-flow air in the cold air channel, and improves the heat recovery efficiency.
Description
Technical Field
The utility model relates to a heat exchanger technical field, concretely relates to abnormal shape waste heat recovery heat exchanger.
Background
With the continuous improvement of energy cost, the comprehensive utilization of energy is more and more emphasized. The waste heat recovery is widely applied to the technical field of heat exchange due to better energy-saving potential; the waste heat recovery heat exchanger can recover heat in a high-grade heat source by utilizing a low-grade heat source, thereby achieving the purposes of saving energy and reducing consumption.
The existing waste heat recovery heat exchanger core body is simple in structure, only the cold and heat source channels are separated through the fin heat insulation plates which are parallel to each other, the contact area of hot flow air and cold flow air is small, the contact time is short, and the heat exchange efficiency is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a heterotypic waste heat recovery heat exchanger, its simple structure, installation are convenient, low cost. The design of the special-shaped fins increases the turbulent flow of cold-flow air in the cold-flow channel, increases the heat exchange area of the cold-flow air and the hot-flow air, prolongs the residence time of the cold-flow air in the cold channel, and improves the heat exchange efficiency.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
a special-shaped waste heat recovery heat exchanger comprises an outer truss, wherein a first special-shaped fin, a second special-shaped fin and a special-shaped channel assembly are arranged in the outer truss, the first special-shaped fin is arranged on the inner side of the front side wall of a shell, the second special-shaped fin is arranged on the inner side of the rear side wall of the shell, and a plurality of special-shaped channel assemblies are arranged between the first special-shaped fin and the second special-shaped fin at intervals;
wherein the first special-shaped fin is provided with a plurality of first bends extending along the length direction of the first special-shaped fin, the second special-shaped fin is provided with a plurality of second bends extending along the length direction of the second special-shaped fin, each special-shaped channel assembly consists of a front and a rear partition plates and a third special-shaped fin used for sealing up and down, the upper end and the lower end of each special-shaped channel assembly are sealed, and the left end and the right end of each special-shaped channel assembly are open, so as to form a first channel for the left and right circulation of the air flow, the two partition plates are respectively provided with a plurality of third bends extending along the length direction of the partition plates, the upper and lower ends between the first special-shaped fin and the adjacent special-shaped channel components, between the two adjacent special-shaped channel components and between the second special-shaped fin and the adjacent special-shaped channel components are opened, and the left and right ends are closed, and a second channel for enabling the air flow to flow up and down is formed, and the second channel and the first channel are alternately arranged from front to back to form a heat exchange core body of the heat exchanger.
The special-shaped waste heat recovery heat exchanger further comprises a plurality of first bends and first connecting edges for connecting two adjacent first bends, wherein the first connecting edges are arranged in parallel with the front side wall and the rear side wall of the outer truss,
the cross section of the first bend comprises a first edge, a second edge and a third edge which are connected in sequence, an included angle between the left side of the second edge and the first edge is 135 degrees, and an included angle between the right side of the second edge and the third edge is 135 degrees, so that a trapezoidal outline is formed.
The special-shaped waste heat recovery heat exchanger further comprises a plurality of second bends and second connecting edges for connecting two adjacent second bends, wherein the second connecting edges are arranged in parallel to the front side wall and the rear side wall of the outer truss,
the cross section of the second bend comprises a fourth edge, a fifth edge and a sixth edge which are connected in sequence, an included angle between the left edge of the fifth edge and the fourth edge is 135 degrees, and an included angle between the right edge of the fifth edge and the sixth edge is 135 degrees, so that a trapezoidal outline is formed.
The special-shaped waste heat recovery heat exchanger further comprises a plurality of third bends and third connecting edges for connecting two adjacent third bends, wherein the third connecting edges are arranged in parallel with the front side wall and the rear side wall of the outer truss,
the cross section of the third bend comprises a seventh side, an eighth side and a ninth side which are sequentially connected, an included angle between the left side of the eighth side and the seventh side is 135 degrees, and an included angle between the right side of the eighth side and the ninth side is 135 degrees, so that a trapezoidal outline is formed.
In each of the above-mentioned special-shaped heat recovery heat exchanger, further, in each of the special-shaped channel assemblies, the concave surfaces of the trapezoidal outlines of the two partition plates correspond to the concave surfaces, the convex surfaces and the convex surfaces are arranged correspondingly, a regular octagon is formed at the position where the concave surfaces correspond to the concave surfaces, and the third special-shaped fin has a plurality of closed pieces corresponding to the regular octagon along the length direction.
The special-shaped waste heat recovery heat exchanger further comprises a first special-shaped fin, a second special-shaped fin and a third special-shaped fin, wherein the first special-shaped fin corresponds to the concave surface and the convex surface of the trapezoid outline of the adjacent special-shaped channel assembly, the second special-shaped fin corresponds to the concave surface and the concave surface of the trapezoid outline of the adjacent special-shaped channel assembly, and the convex surface are arranged correspondingly.
The special-shaped waste heat recovery heat exchanger further comprises a clamping groove for mounting the first special-shaped fin, the second special-shaped fin and the third special-shaped fin, wherein the clamping groove is formed in the outer truss.
Compared with the prior art, the utility model, its beneficial effect lies in: the utility model has simple structure, convenient installation and low cost; when low-temperature cold-flow air flows into the cold air channel from the right side of the heat exchange core, due to the structure of the special-shaped fins, the cold-flow air repeatedly gradually shrinks and expands in the cold air channel, the turbulent flow of the cold-flow air in the cold air channel is increased, the heat exchange area between the cold-flow air and the fins is increased, and the heat exchange efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first special-shaped fin according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a second special-shaped fin according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third differential fin according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a heat exchanger according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention.
Wherein: 1. first bending; 101. a first side; 102. a second edge; 103. a third side; 2. second bending; 201. a fourth side; 202. a fifth side; 203. a sixth side; 3. a closing sheet; 4. a second passage (hot air passage); 5. the first passage (cold air passage).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example (b):
it will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The utility model provides a heterotypic waste heat recovery heat exchanger, its simple structure, installation are convenient, low cost. The design of the special-shaped fins increases the turbulent flow of cold-flow air in the cold-flow channel, increases the heat exchange area of the cold-flow air and the hot-flow air, prolongs the residence time of the cold-flow air in the cold channel, and improves the heat exchange efficiency.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention, which is a special-shaped waste heat recovery heat exchanger, including an outer truss, a first special-shaped fin, a second special-shaped fin and a special-shaped channel assembly are arranged in the outer truss, the first special-shaped fin is arranged on the inner side of the front side wall of the housing, the second special-shaped fin is arranged on the inner side of the rear side wall of the housing, and a plurality of the special-shaped channel assemblies are arranged between the first special-shaped fin and the second special-shaped fin at intervals;
wherein the first special-shaped fin is provided with a plurality of first bends 1 extending along the length direction of the first special-shaped fin, the second special-shaped fin is provided with a plurality of second bends 2 extending along the length direction of the second special-shaped fin, each special-shaped channel component consists of a front and a rear partition plates and a third special-shaped fin used for sealing up and down, the upper end and the lower end of each special-shaped channel component are sealed, and the left end and the right end of each special-shaped channel component are open, so as to form a first channel 5 for the left and right circulation of the air flow, the two partition boards are respectively provided with a plurality of third bends extending along the length direction of the partition boards, the upper and lower ends between the first special-shaped fin and the adjacent special-shaped channel components, between the two adjacent special-shaped channel components and between the second special-shaped fin and the adjacent special-shaped channel components are opened, and the left and right ends are closed, so as to form a second channel 4 for enabling the air flow to flow up and down, and the second channel 4 and the first channel 5 are alternately arranged from front to back to form a heat exchange core body of the heat exchanger. Wherein, the first channel 5 is a cold air channel, and the second channel 4 is a hot air channel.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first special-shaped fin according to an embodiment of the present invention; as an alternative implementation manner, in some embodiments, the first profiled fin includes a plurality of the first bends 1 and a first connecting edge for connecting two adjacent first bends 1, where the first connecting edge is arranged parallel to the front and rear side walls of the outer truss, and a cross section of the first bend 1 includes a first edge 101, a second edge 102, and a third edge 103, which are connected in sequence, an included angle between a left side of the second edge 102 and the first edge 101 is 135 degrees, and an included angle between a right side of the second edge 102 and the third edge 103 is 135 degrees, so as to form a trapezoidal profile.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a second special-shaped fin according to an embodiment of the present invention; as an optional implementation manner, in some embodiments, the second profile fin includes a plurality of the second bends 2 and a second connecting edge for connecting two adjacent second bends 2, the second connecting edge is arranged in parallel with the front and rear side walls of the outer truss, wherein a cross section of the second bend 2 includes a fourth edge 201, a fifth edge 202 and a sixth edge 203, which are connected in sequence, an included angle between a left side of the fifth edge 202 and the fourth edge 201 is 135 degrees, and an included angle between a right side of the fifth edge 202 and the sixth edge 203 is 135 degrees, so as to form a trapezoidal profile.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a third difference type fin according to an embodiment of the present invention; as an optional implementation manner, in some embodiments, the partition plate includes a plurality of the third bends and a third connecting edge for connecting two adjacent third bends, where the third connecting edge is arranged in parallel with the front and rear side walls of the outer truss, and a cross section of the third bend includes a seventh edge, an eighth edge, and a ninth edge that are connected in sequence, an included angle between a left side of the eighth edge and the seventh edge is 135 degrees, and an included angle between a right side of the eighth edge and the ninth edge is 135 degrees, so as to form a trapezoidal profile. Under the condition, the first special-shaped fin and the second special-shaped fin are the same in bending shape, the special-shaped fins are arranged in the front-back direction, the third special-shaped fin is arranged at the upper end and the lower end in a closed mode to form a cold air channel, the structure can reduce the number of different parts, and the cold air channel is simple in structure, convenient to install and low in cost.
Referring to fig. 4, fig. 4 is a schematic cross-sectional view of a heat exchanger according to an embodiment of the present invention; as an alternative implementation manner, in some embodiments, in each of the profiled channel assemblies, the concave surface of the trapezoidal profile of the two partition plates corresponds to the concave surface, the convex surface of the trapezoidal profile corresponds to the convex surface of the trapezoidal profile of the two partition plates, a regular octagon is formed at the position where the concave surface corresponds to the concave surface, and the third profiled fin has a plurality of closing pieces 3 corresponding to the regular octagon along the length direction. The first special-shaped fin corresponds to the concave surface and the convex surface of the trapezoid outline of the adjacent special-shaped channel assembly, the second special-shaped fin corresponds to the concave surface and the convex surface of the trapezoid outline of the adjacent special-shaped channel assembly, and the convex surface are arranged correspondingly.
As an alternative, in some embodiments, the outer truss is provided with a slot for installing the first profile fin, the second profile fin and the third profile fin.
The utility model has simple structure, convenient installation and low cost; when low-temperature cold-flow air flows into the cold air channel from the right side of the heat exchange core, due to the structure of the special-shaped fins, the cold-flow air repeatedly gradually shrinks and expands in the cold air channel, the turbulent flow of the cold-flow air in the cold air channel is increased, the heat exchange area between the cold-flow air and the fins is increased, and the heat exchange efficiency is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A special-shaped waste heat recovery heat exchanger comprises an outer truss and is characterized in that a first special-shaped fin, a second special-shaped fin and a special-shaped channel assembly are arranged in the outer truss, the first special-shaped fin is arranged on the inner side of the front side wall of a shell, the second special-shaped fin is arranged on the inner side of the rear side wall of the shell, and a plurality of the special-shaped channel assemblies are arranged between the first special-shaped fin and the second special-shaped fin at intervals;
wherein the first special-shaped fin is provided with a plurality of first bends extending along the length direction of the first special-shaped fin, the second special-shaped fin is provided with a plurality of second bends extending along the length direction of the second special-shaped fin, each special-shaped channel assembly consists of a front and a rear partition plates and a third special-shaped fin used for sealing up and down, the upper end and the lower end of each special-shaped channel assembly are sealed, and the left end and the right end of each special-shaped channel assembly are open, so as to form a first channel for the left and right circulation of the air flow, the two partition plates are respectively provided with a plurality of third bends extending along the length direction of the partition plates, the upper and lower ends between the first special-shaped fin and the adjacent special-shaped channel components, between the two adjacent special-shaped channel components and between the second special-shaped fin and the adjacent special-shaped channel components are opened, and the left and right ends are closed, and a second channel for enabling the air flow to flow up and down is formed, and the second channel and the first channel are alternately arranged from front to back to form a heat exchange core body of the heat exchanger.
2. The profiled waste heat recovery heat exchanger of claim 1, wherein the first profiled fin comprises a plurality of first bends and first connecting edges for connecting two adjacent first bends, the first connecting edges are arranged in parallel with the front and rear side walls of the outer truss,
the cross section of the first bend comprises a first edge, a second edge and a third edge which are connected in sequence, an included angle between the left side of the second edge and the first edge is 135 degrees, and an included angle between the right side of the second edge and the third edge is 135 degrees, so that a trapezoidal outline is formed.
3. The profiled waste heat recovery heat exchanger of claim 2, wherein the second profiled fin comprises a plurality of second bends and second connecting edges for connecting two adjacent second bends, the second connecting edges are arranged in parallel with the front and rear side walls of the outer truss,
the cross section of the second bend comprises a fourth edge, a fifth edge and a sixth edge which are connected in sequence, an included angle between the left edge of the fifth edge and the fourth edge is 135 degrees, and an included angle between the right edge of the fifth edge and the sixth edge is 135 degrees, so that a trapezoidal outline is formed.
4. The profiled heat recovery heat exchanger of claim 3 wherein the partition plate includes a plurality of third bends and third connecting edges for connecting two adjacent third bends, the third connecting edges are arranged parallel to the front and rear side walls of the outer truss,
the cross section of the third bend comprises a seventh side, an eighth side and a ninth side which are sequentially connected, an included angle between the left side of the eighth side and the seventh side is 135 degrees, and an included angle between the right side of the eighth side and the ninth side is 135 degrees, so that a trapezoidal outline is formed.
5. The special-shaped waste heat recovery heat exchanger as claimed in claim 4, wherein in each special-shaped channel assembly, the concave surfaces of the trapezoidal outlines of the two partition plates correspond to the concave surfaces, the convex surfaces correspond to the convex surfaces, a regular octagon is formed at the position where the concave surfaces correspond to the concave surfaces, and the third special-shaped fin is provided with a plurality of closed sheets corresponding to the regular octagon along the length direction.
6. The special-shaped waste heat recovery heat exchanger as claimed in claim 5, wherein the first special-shaped fin corresponds to the concave surface and the convex surface of the trapezoidal outline of the adjacent special-shaped channel assembly, the second special-shaped fin corresponds to the concave surface and the concave surface of the trapezoidal outline of the adjacent special-shaped channel assembly, and the convex surface are arranged correspondingly.
7. The special-shaped waste heat recovery heat exchanger as claimed in claim 1, wherein a clamping groove for mounting a first special-shaped fin, a second special-shaped fin and a third special-shaped fin is arranged in the outer truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021942877.XU CN212778790U (en) | 2020-09-08 | 2020-09-08 | Special-shaped waste heat recovery heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021942877.XU CN212778790U (en) | 2020-09-08 | 2020-09-08 | Special-shaped waste heat recovery heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212778790U true CN212778790U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021942877.XU Active CN212778790U (en) | 2020-09-08 | 2020-09-08 | Special-shaped waste heat recovery heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212778790U (en) |
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2020
- 2020-09-08 CN CN202021942877.XU patent/CN212778790U/en active Active
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