CN220818694U - Heat exchange plate pair, heat exchange plate bundle and heat exchanger - Google Patents
Heat exchange plate pair, heat exchange plate bundle and heat exchanger Download PDFInfo
- Publication number
- CN220818694U CN220818694U CN202322628774.6U CN202322628774U CN220818694U CN 220818694 U CN220818694 U CN 220818694U CN 202322628774 U CN202322628774 U CN 202322628774U CN 220818694 U CN220818694 U CN 220818694U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange plate
- pair
- plate pair
- connecting pipe
- Prior art date
- 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.)
- Active
Links
- 230000002596 correlated effect Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 17
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application provides a heat exchange plate pair, a heat exchange plate bundle and a heat exchanger, wherein the heat exchange plate pair comprises: the heat exchange device comprises two heat exchange plates which are oppositely arranged, wherein a first medium flow channel is formed between the two heat exchange plates, an open slot is formed at the corner of the heat exchange plate pair, and the open slot is arranged along the length direction of the heat exchange plate pair; the opening groove is connected with a connecting pipe, the connecting pipe is arranged along the length direction of the heat exchange plate pair, and one end of the connecting pipe is closed and is abutted with the opening groove; the connecting pipes are provided with a plurality of through holes at intervals along the length direction of the heat exchange plate pairs, and each through hole faces the open slot and is communicated with the first medium flow passage for the inlet and outlet of the first medium. The heat exchange plate pair, the heat exchange plate bundle and the heat exchanger provided by the application have the advantages of simple structure, convenience in manufacture, good heat exchange effect, strong sealing effect and long service life, and can be used under the condition of high pressure bearing.
Description
Technical Field
The application relates to the technical field of plate heat exchangers, in particular to a heat exchange plate pair, a heat exchange plate bundle and a heat exchanger.
Background
The plate heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is applied to the fields of chemical industry, petroleum, power, food and the like, and the current plate heat exchanger can be divided into a gasket type heat exchanger and a welding type heat exchanger according to different sealing modes.
The existing welded heat exchange plate pair is shown in fig. 1, connecting pipes are arranged on two sides of the heat exchange plate pair, as shown in fig. 2, the connecting pipes are directly connected with the heat exchange plates, a first medium enters a first medium flow channel in the heat exchange plate pair from a port of each connecting pipe, but the diameter of each connecting pipe is not too large, the opening of the plate pair is difficult due to the too large pipe diameter, the welding quantity is large when the welding pipe is connected with a pipe orifice, so that the flow velocity in the connecting pipe is too large under the condition of large flow, knocking is easy to occur, and as shown in fig. 1, the first medium directly flows to the other corner in the diagonal direction from one corner of the heat exchange plate pair, heat exchange dead zones are easy to occur at the other two corners, and the heat exchange effect is reduced.
In some technologies, the structure is improved, as shown in fig. 3, a connecting pipe is arranged at the corner of the heat exchange plate pair, as shown in fig. 4, an axial groove facing the heat exchange plate pair is arranged on the connecting pipe, so that the axial groove replaces a port to serve as an inlet and outlet of a first medium, on one hand, the pipe diameter size design can be improved, the flow speed is reduced, knocking is relieved, on the other hand, the first medium can flow to two other corners, the problem of first medium distribution is solved, the heat exchange effect is improved, but the axial groove breaks the integral strength of the connecting pipe, as shown in fig. 4, upward and downward deformation easily occurs when the heat exchange plate is pressed, the strength of the connecting position of the connecting pipe and the heat exchange plate pair is reduced, and the welding seam at the position can be rapidly failed, so that the product is extremely easy to leak under high pressure.
Disclosure of utility model
The present application is directed to a heat exchanger plate pair, a heat exchanger plate bundle and a heat exchanger for solving the related problems mentioned in the background art.
In a first aspect of the application, there is provided a heat exchanger plate pair comprising: the heat exchange device comprises two heat exchange plates which are oppositely arranged, wherein a first medium flow channel is formed between the two heat exchange plates, an open slot is formed at the corner of the heat exchange plate pair, and the open slot is arranged along the length direction of the heat exchange plate pair; the opening groove is connected with a connecting pipe, the connecting pipe is arranged along the length direction of the heat exchange plate pair, and one end of the connecting pipe is closed and is abutted with the opening groove; the connecting pipes are provided with a plurality of through holes at intervals along the length direction of the heat exchange plate pairs, and each through hole faces the open slot and is communicated with the first medium flow passage for the inlet and outlet of the first medium.
Further, the heat exchange plate pair is provided with two open grooves; the two open slots are oppositely arranged along the diagonal direction of the heat exchange plate pair, or the two open slots are sequentially arranged along the length direction of the heat exchange plate pair.
Further, the total length of the through holes is greater than or equal to 1/4 of the width of the heat exchange plate pair, and the total sectional area of the through holes is greater than or equal to the sectional area of the connecting pipe.
Further, the maximum pipe diameter of the connecting pipe is positively correlated with the flow rate of the first medium and negatively correlated with the flow rate of the first medium; the wall thickness of the connecting pipe is positively correlated with the design pressure of the heat exchange plate, is positively correlated with the maximum pipe diameter of the connecting pipe, and is negatively correlated with the maximum allowable stress of the material of the heat exchange plate.
Further, the sum of the maximum aperture of the through holes and the wall thickness of the connecting pipe is a first length, and the distance between two adjacent through holes is larger than or equal to the first length.
Further, the wall thickness of the connecting pipe is larger than or equal to 1.5 times of the maximum aperture of the through hole, and the aperture of the through hole along the thickness direction of the heat exchange plate pair is smaller than the depth of the first medium flow channel.
Further, the wall thickness of the heat exchange plate is 2mm to 5mm, and the depth of the first medium flow channel is 4mm to 10mm.
Further, a plurality of protrusions are arranged on each heat exchange plate in a staggered mode at intervals, the distance between every two adjacent protrusions is 30-50mm, and the protrusions on the two heat exchange plates are abutted.
In a second aspect of the application, a heat exchanger plate bundle is provided, comprising a plurality of stacked heat exchanger plate pairs as described in the first aspect, wherein a second medium flow channel is formed between two adjacent heat exchanger plate pairs.
In a third aspect of the application, a heat exchanger is provided comprising a heat exchanger plate bundle as described in the second aspect above.
As can be seen from the above, the heat exchange plate pair, the heat exchange plate bundle and the heat exchanger provided by the application comprise two heat exchange plates which are oppositely arranged, a first medium flow channel is formed between the two heat exchange plates, open slots are arranged at corners of the heat exchange plate pair, and the open slots are arranged along the length direction of the heat exchange plate pair and are used for being matched with connecting pipes; the open slot is connected with a connecting pipe which is arranged along the length direction of the heat exchange plate pair and is matched with the open slot; one end of the connecting pipe is closed and is abutted with the open slot; the connecting pipes are provided with a plurality of through holes at intervals along the length direction of the heat exchange plate pairs, each through hole is arranged towards the open slot and communicated with the first medium flow channel for the inlet and the outlet of the first medium, the plurality of through holes are used as the inlet and the outlet of the first medium flow channel, so that the flow speed can be reduced, knocking is eliminated, the through holes enable the flow distribution of the first medium to be more uniform when the first medium enters the heat exchange plate pairs, and the heat exchange effect is improved; in addition, the through holes on the connecting pipe are not connected with each other, so that a spacing lacing wire structure is formed, the strength of the connecting part of the connecting pipe and the heat exchange plate pair is improved, leakage is avoided, the sealing effect is improved, and the service life of the heat exchange plate pair under high pressure is prolonged; the heat exchange plate pair, the heat exchange plate bundle and the heat exchanger are simple in structure, convenient to manufacture, good in heat exchange effect, strong in sealing effect and long in service life, and can be used under the condition of high bearing pressure of 3MPa to 10 MPa.
Drawings
In order to more clearly illustrate the technical solutions of the present application or related art, the drawings that are required to be used in the description of the embodiments or related art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic view of a heat exchanger plate pair of the related art;
FIG. 2 is a schematic cross-sectional view at A in FIG. 1;
FIG. 3 is a schematic view showing a structure of a second heat exchange plate according to the related art;
FIG. 4 is a schematic cross-sectional view at B in FIG. 3;
FIG. 5 is a schematic view of a heat exchanger plate pair according to an embodiment of the present application;
FIG. 6 is a schematic cross-sectional view at C in FIG. 5;
FIG. 7 is a schematic perspective view of FIG. 6;
fig. 8 is an enlarged schematic view of the structure at E in fig. 5.
Reference numerals: 1. a heat exchange plate; 1-1, bulges; 2. a first media flow path; 3. an open slot; 4. connecting pipe; 4-1, ports; 4-2, through holes; 5. an axial groove.
Detailed Description
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used in embodiments of the present application, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The plate heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is applied to the fields of chemical industry, petroleum, power, food and the like, and the current plate heat exchanger can be divided into a gasket type heat exchanger and a welding type heat exchanger according to different sealing modes.
The existing welded heat exchange plate pair is shown in fig. 1, connecting pipes 4 are arranged on two sides of the heat exchange plate pair, as shown in fig. 2, the connecting pipes 4 are directly connected with the heat exchange plates 1, a first medium enters a first medium flow channel 2 in the heat exchange plate pair from a port 4-1 of the connecting pipe 4, however, the diameter of the connecting pipe 4 is not too large, the opening of the plate pair is difficult due to the too large pipe diameter, and the welding quantity is large when the pipe is connected with a pipe orifice, so that the flow velocity in the connecting pipe 4 is too large under a large flow condition, knocking is easy to occur, and as shown in fig. 1, the first medium directly flows to another corner in the diagonal direction from one corner of the heat exchange plate pair, heat exchange blind areas are easy to occur at the other two corners, and the heat exchange effect is reduced.
In some technologies, the structure is improved, as shown in fig. 3, a connection pipe 4 is arranged at the corner of the heat exchange plate pair, as shown in fig. 4, an axial groove 5 facing the heat exchange plate pair is arranged on the connection pipe 4, so that the axial groove 5 replaces a port 4-1 to serve as an inlet and an outlet of a first medium, on one hand, the pipe diameter size design can be improved, the flow speed is reduced, knocking is relieved, on the other hand, the first medium can flow to other two corners, the first medium distribution problem is improved, the heat exchange effect is improved, but the axial groove 5 destroys the integral strength of the connection pipe 4, as shown in fig. 4, upward and downward deformation easily occurs when the heat exchange plate 1 is pressed, the strength of the connection position of the connection pipe 4 and the heat exchange plate pair is reduced, and the weld at the position is fast in failure, so that the product is extremely easy to leak under high pressure.
The following describes the technical solution of the present application in detail by specific embodiments in conjunction with fig. 5 to 8.
In some embodiments of the application there is provided a heat exchanger plate 1, as shown in figures 5 to 8, comprising: the heat exchange device comprises two heat exchange plates 1 which are oppositely arranged, wherein a first medium flow channel 2 is formed between the two heat exchange plates 1, an open slot 3 is formed at the corner of the heat exchange plate pair, and the open slot 3 is arranged along the length direction of the heat exchange plate pair; the open slot 3 is connected with a connecting pipe 4, the connecting pipe 4 is arranged along the length direction of the heat exchange plate pair, and one end of the connecting pipe 4 is closed and is abutted with the open slot 3; the connecting pipes 4 are provided with a plurality of through holes 4-2 at intervals along the length direction of the heat exchange plate pairs, and each through hole 4-2 is arranged towards the open slot 3 and communicated with the first medium flow channel 2 for the inlet and outlet of the first medium.
As shown in fig. 5, the L direction is the length direction of the heat exchange plate pair, the W direction is the width direction of the heat exchange plate pair, the heat exchange plate pair includes two heat exchange plates 1 disposed opposite to each other, the heat exchange plates 1 are rectangular, the two heat exchange plates 1 are connected by welding, a first medium flow channel 2 is formed between the two heat exchange plates 1, the first medium is, for example, hot water, etc., without limitation, an open slot 3 is disposed at a corner of the heat exchange plate pair, and the open slot 3 is disposed along the length direction of the heat exchange plate pair for being matched with the adapter tube 4.
The open slot 3 is connected with a connecting pipe 4, for example, through welding connection, the connecting pipe 4 is a round pipe or a square pipe, etc., the connection pipe 4 is arranged along the length direction of the heat exchange plate pair and is matched with the open slot 3; one end of the connecting pipe 4 is closed and is abutted with the open slot 3; the connecting pipes 4 are provided with a plurality of through holes 4-2 at intervals along the length direction of the heat exchange plate pairs, the through holes 4-2 are, for example, round holes, square holes or elliptical holes and the like, and are not particularly limited, each through hole 4-2 is arranged towards the open slot 3 and communicated with the first medium flow channel 2 and used for the inlet and outlet of a first medium, the plurality of through holes serve as the inlet and outlet of the first medium flow channel 2, so that the flow speed can be reduced, knocking is eliminated, the through holes 4-2 enable the flow distribution of the first medium to be more uniform when the first medium enters the heat exchange plate pairs, and the heat exchange effect is improved; in addition, a plurality of through holes 4-2 on the connecting pipe 4 are not connected with each other, and a spacing lacing wire structure is formed, so that the strength of the connecting part of the connecting pipe 4 and the heat exchange plate pair is improved, leakage is avoided, the sealing effect is improved, and the service life of the heat exchange plate pair under high pressure is prolonged.
The heat exchange plate pair has the advantages of simple structure, convenient manufacture, good heat exchange effect, strong sealing effect and long service life, and can be used under the condition of high bearing pressure of 3MPa to 10 MPa.
In some embodiments, the heat exchanger plate pairs are provided with two of the open slots 3; the two open slots 3 are oppositely arranged along the diagonal direction of the heat exchange plate pair, or the two open slots 3 are sequentially arranged along the length direction of the heat exchange plate pair.
As shown in fig. 5, two sides of the heat exchange plate pair along the diagonal direction are respectively provided with an open slot 3 which is respectively used as an inlet and an outlet of the first medium, so that the flowing effect is better; the two open grooves 3 may be provided on the same side as required, and are not particularly limited.
In some embodiments, as shown in fig. 8, the total length of the plurality of through holes 4-2 is greater than or equal to 1/4 of the width of the heat exchange plate pair, and the total cross-sectional area of the plurality of through holes 4-2 is greater than or equal to the cross-sectional area of the adapter tube 4.
As shown in FIG. 8, L1 is the total length of the through holes 4-2, and the width of the heat exchange plate pair with L1 equal to or greater than 1/4 is set, so that the flow of the first medium is more uniform; the total cross section area of the plurality of through holes 4-2 is more than or equal to the cross section area of the connecting pipe 4, so that the flow of the first medium is more uniform.
In some embodiments, the maximum aperture of the through holes 4-2 is D in mm, the maximum aperture of the through holes 4-2 is the diameter of the through holes 4-2 when the through holes 4-2 are round holes, the number of through holes 4-2 is n, the maximum pipe diameter of the pipe 4 is D in mm, and the maximum pipe diameter of the pipe 4 is the diameter of the pipe 4 when the pipe 4 is a round pipe.
Setting upThe strength of the connecting pipe 4 can be reserved to the greatest extent, and the ultimate pressure born by the connecting pipe 4 is far greater than the ultimate pressure born by the heat exchange plate pair, so that after the connecting pipe 4 is connected with the heat exchange plate pair, the connecting pipe 4 can strengthen the inlet and outlet positions of the heat exchange plate pair, and the bearing capacity of the positions is improved.
In some embodiments, the maximum tube diameter of the nipple 4 is positively correlated with the flow rate of the first medium and negatively correlated with the flow rate of the first medium; the wall thickness of the connecting pipe 4 is positively correlated with the design pressure of the heat exchange plate, is positively correlated with the maximum pipe diameter of the connecting pipe 4, and is negatively correlated with the maximum allowable stress of the material of the heat exchange plate 1.
The flow rate of the first medium being Q in mm 3/s, the flow rate of the first medium being V in mm/s, the maximum pipe diameter of the connecting pipe 4 being arranged to be positively correlated with the flow rate of the first medium and negatively correlated with the flow rate of the first medium, e.g. to be arrangedSo as to avoid knocking of the adapter tube 4 at high flow, wherein V is less than or equal to 30m/s.
The wall thickness of the connecting pipe 4 is t, the unit is mm, the design pressure of the heat exchange plate 1 is P, the maximum allowable stress of the material is S, the radius of the connecting pipe 4 is R=D/2, the wall thickness of the connecting pipe 4 is set to be positively correlated with the design pressure of the heat exchange plate 1, the wall thickness of the connecting pipe 4 is set to be positively correlated with the maximum pipe diameter of the connecting pipe 4, the maximum allowable stress of the material of the heat exchange plate 1 is set to be negatively correlated, for exampleOr alternativelyThe larger of the two calculation modes can be selected as the wall thickness of the adapter tube 4 to adapt to the working condition of higher pressure.
In some embodiments, the sum of the maximum aperture of the through holes 4-2 and the wall thickness of the adapter tube 4 is a first length, and the distance between two adjacent through holes 4-2 is greater than or equal to the first length.
The distance between two adjacent through holes 4-2 is L ', L' is more than or equal to d+t, and the strength of the connecting pipe 4 is ensured on the premise of ensuring the flow cross section.
In some embodiments, the wall thickness of the adapter tube 4 is greater than or equal to 1.5 times the maximum aperture of the through hole 4-2, and the aperture of the through hole 4-2 in the thickness direction of the heat exchange plate pair is smaller than the depth of the first medium flow passage 2.
Setting t to be more than or equal to 1.5d, and ensuring the strength of the connecting pipe 4; as shown in fig. 6, the H direction represents the thickness direction of the heat exchange plate pair, and the aperture of the through hole 4-2 in the H direction is set smaller than the depth of the first medium flow path 2, so that the first medium completely enters the first medium flow path 2 through the through hole 4-2.
In some embodiments, the wall thickness of the heat exchange plate 1 is 2mm to 5mm, and the depth of the first medium flow passage 2 is 4mm to 10mm.
The wall thickness of the heat exchange plate 1 is 2mm to 5mm, for example, 2mm, 3mm, 4mm or 5mm, etc., and the heat exchange plate is not particularly limited, so that the pressure bearing capacity of the heat exchange plate pair is improved; the depth of the first medium flow path 2 is 4mm to 10mm, for example, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, or the like, and is not particularly limited.
In some embodiments, as shown in fig. 5, a plurality of protrusions 1-1 arranged in a staggered manner are arranged on each heat exchange plate 1 at intervals, the distance between two adjacent protrusions 1-1 is 30mm to 50mm, and the protrusions 1-1 on two heat exchange plates 1 are abutted.
As shown in fig. 5, a plurality of protrusions 1-1 arranged in a staggered manner are arranged at intervals on the heat exchange plate 1, for example, in a regular triangle array, and the protrusions 1-1 are not limited in particular, and can be formed by stamping or hydraulic bulge forming, the distance between two adjacent protrusions 1-1 is 30mm to 50mm, for example, 30mm, 40mm or 50mm, and the like, and the protrusions 1-1 on the two heat exchange plates 1 are abutted to form a staggered first medium runner 2, so that the pressure bearing capacity and the heat exchange efficiency of the heat exchange plate pair are improved.
In some embodiments of the application, a heat exchanger plate bundle is provided comprising a plurality of stacked heat exchanger plate pairs as described in any of the embodiments above, with a second medium flow channel formed between two adjacent heat exchanger plate pairs.
The heat exchange plate bundle comprises stacked heat exchange plate pairs, a second medium flow channel is formed between two adjacent heat exchange plate pairs, the second medium is cold water, the heat exchange plate bundle is not limited in detail, and the heat exchange effect is good and the sealing effect is strong.
In some embodiments of the application, a heat exchanger is provided comprising a heat exchanger plate bundle as described in any of the embodiments above.
The heat exchanger has the advantages of simple structure, convenient use and long service life, and is suitable for being used under the high pressure-bearing working condition environment.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the application as described above, which are not provided in detail for the sake of brevity.
In addition, where details are set forth to describe example embodiments of the application, it will be apparent to one skilled in the art that embodiments of the application may be practiced without, or with variation of, these details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the application has been described in conjunction with the embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are within the spirit and principles of the embodiments of the application, are intended to be included within the scope of the application.
Claims (10)
1. A pair of heat exchange plates, comprising: the heat exchange device comprises two heat exchange plates which are oppositely arranged, wherein a first medium flow channel is formed between the two heat exchange plates, an open slot is formed at the corner of the heat exchange plate pair, and the open slot is arranged along the length direction of the heat exchange plate pair;
The opening groove is connected with a connecting pipe, the connecting pipe is arranged along the length direction of the heat exchange plate pair, and one end of the connecting pipe is closed and is abutted with the opening groove; the connecting pipes are provided with a plurality of through holes at intervals along the length direction of the heat exchange plate pairs, and each through hole faces the open slot and is communicated with the first medium flow passage for the inlet and outlet of the first medium.
2. The heat exchange plate pair according to claim 1, wherein the heat exchange plate pair is provided with two of the open grooves;
The two open slots are oppositely arranged along the diagonal direction of the heat exchange plate pair, or the two open slots are sequentially arranged along the length direction of the heat exchange plate pair.
3. The pair of heat exchange plates according to claim 1, wherein a total length of the plurality of through holes is greater than or equal to 1/4 of a width of the pair of heat exchange plates, and a total sectional area of the plurality of through holes is greater than or equal to a sectional area of the adapter tube.
4. The pair of heat exchange plates according to claim 1, wherein the maximum tube diameter of the connection tube is positively correlated with the flow rate of the first medium and negatively correlated with the flow rate of the first medium; the wall thickness of the connecting pipe is positively correlated with the design pressure of the heat exchange plate, is positively correlated with the maximum pipe diameter of the connecting pipe, and is negatively correlated with the maximum allowable stress of the material of the heat exchange plate.
5. The pair of heat exchange plates according to claim 1, wherein the sum of the maximum aperture of the through holes and the wall thickness of the connection pipe is a first length, and the distance between two adjacent through holes is greater than or equal to the first length.
6. The heat exchange plate pair according to claim 1, wherein the wall thickness of the connection pipe is greater than or equal to 1.5 times the maximum aperture of the through hole, and the aperture of the through hole in the thickness direction of the heat exchange plate pair is smaller than the depth of the first medium flow passage.
7. The heat exchange plate pair of claim 1, wherein the heat exchange plates have a wall thickness of 2mm to 5mm and the first media flow channels have a depth of 4mm to 10mm.
8. The heat exchange plate pair according to claim 1, wherein a plurality of protrusions are arranged on each heat exchange plate at intervals in a staggered manner, the distance between two adjacent protrusions is 30mm to 50mm, and the protrusions on the two heat exchange plates are abutted.
9. A heat exchanger plate bundle comprising a plurality of stacked heat exchanger plate pairs according to any one of claims 1-8, wherein a second medium flow channel is formed between two adjacent heat exchanger plate pairs.
10. A heat exchanger comprising a heat exchanger plate bundle according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628774.6U CN220818694U (en) | 2023-09-26 | 2023-09-26 | Heat exchange plate pair, heat exchange plate bundle and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628774.6U CN220818694U (en) | 2023-09-26 | 2023-09-26 | Heat exchange plate pair, heat exchange plate bundle and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220818694U true CN220818694U (en) | 2024-04-19 |
Family
ID=90700792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628774.6U Active CN220818694U (en) | 2023-09-26 | 2023-09-26 | Heat exchange plate pair, heat exchange plate bundle and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220818694U (en) |
-
2023
- 2023-09-26 CN CN202322628774.6U patent/CN220818694U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104896977A (en) | Integrated primary surface micro-channel compact heat exchanger | |
| US11971224B2 (en) | Plate-fin heat exchanger | |
| WO2016095872A1 (en) | Arc-shaped plate heat exchanger | |
| EP2455694A2 (en) | Heat exchanger | |
| US20120125578A1 (en) | Heat exchanger | |
| CN109163586B (en) | Spiral runner printed circuit board heat exchanger | |
| CN109141083B (en) | Primary surface heat exchanger applied to fuel cell | |
| CN103776285A (en) | Micro-channel heat exchanger | |
| CN102706188A (en) | High-pressure resistant lamella heat exchanger adopting round corrugated plates | |
| CN109443056B (en) | Double-sided staggered printed circuit board type heat exchange plate and heat exchanger | |
| CN202719904U (en) | High-pressure-resistant circular corrugated plate shell-and-plate heat exchanger | |
| CN104089503A (en) | Plate-shell heat exchanger with oval corrugated plates | |
| CN220818694U (en) | Heat exchange plate pair, heat exchange plate bundle and heat exchanger | |
| CN107966057A (en) | A kind of plate heat exchanger and its application method | |
| CN103512400A (en) | Plate and tube type heat exchanger | |
| CN103424014A (en) | Plate heat exchanger | |
| CN115628631A (en) | Six-hole plate type heat exchanger plate | |
| WO2022121919A1 (en) | Heat exchanger | |
| CN212253752U (en) | Double-tube-plate heat exchanger with good heat exchange effect | |
| CN111263877B (en) | Plate-superposed body and heat exchanger | |
| CN203810993U (en) | Micro-channel heat exchanger | |
| CN200993537Y (en) | Coiled-pipe heat exchanger | |
| JP4414196B2 (en) | Double tube heat exchanger | |
| CN210833189U (en) | Round tube type backflow structure of heat exchanger | |
| KR101543522B1 (en) | Flate tube for heat exchanger and heat exchanger with the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |