CN217541589U - Double-corrugated plate heat exchanger - Google Patents
Double-corrugated plate heat exchanger Download PDFInfo
- Publication number
- CN217541589U CN217541589U CN202220707183.0U CN202220707183U CN217541589U CN 217541589 U CN217541589 U CN 217541589U CN 202220707183 U CN202220707183 U CN 202220707183U CN 217541589 U CN217541589 U CN 217541589U
- Authority
- CN
- China
- Prior art keywords
- liquid
- liquid outlet
- oblique
- inlet
- heat transfer
- 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
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a double ripple plate heat exchanger, including a plurality of heat transfer boards of range upon range of welding from top to bottom together, have the clearance between the two adjacent heat transfer boards in order to form liquid side runner, set up inlet and liquid outlet on the heat transfer board, inlet and the unilateral stream of liquid outlet arrange, every liquid side runner includes inlet heat transfer district, middle main heat transfer district and liquid outlet heat transfer district, the inlet heat transfer district sets up the oblique ripple of inlet, middle main heat transfer district sets up middle chevron shape ripple structure, the liquid outlet heat transfer district sets up the oblique ripple of liquid outlet. The utility model discloses an oblique ripple of inlet, the oblique ripple of liquid outlet help improving the medium at the distribution equipartition ability of advancing/liquid outlet heat transfer district, and middle main heat transfer district still adopts the chevron shape ripple to ensure the higher heat exchange efficiency of heat exchanger.
Description
Technical Field
The utility model relates to a plate heat exchanger belongs to heat exchanger technical field.
Background
The sheet metal with the pressed corrugation, the angle hole and the flanging of the brazing plate type heat exchanger plate is a heat transfer element of the heat exchanger. The corrugations not only enhance heat transfer, but also increase the strength and rigidity of the sheet, thereby improving the pressure-bearing capacity of the brazed plate heat exchanger, and reducing the formation of precipitates or dirt due to the promotion of the fluid in a turbulent state.
The plate sheet corrugation form of the plate heat exchanger can be divided into herringbone corrugation, oblique corrugation, horizontal straight corrugation, spherical corrugation, vertical corrugation and the like according to the geometric shape. The performance of the corrugated plate is measured, and the main parameters of the corrugated plate are heat transfer efficiency, fluid resistance, distribution diffusion capacity and pressure bearing capacity.
The flow channel formed by herringbone ripples has a plurality of cross supporting points, and fluid is in a net-shaped three-dimensional vortex, so that the flow channel has the advantages of high bearing pressure, good heat transfer performance, wide application range and the like, and is generally adopted. However, the herringbone corrugated fluid has large resistance and poor distribution and diffusion, and the media cannot be uniformly and uniformly distributed in the whole heat exchange flow channel at the corner holes.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art, this application provides a double ripple plate heat exchanger, business turn over liquid corner hole department adopts oblique ripple on heat transfer plate, adopts the chevron-shaped ripple in the main heat transfer district of heat transfer plate. The plate heat exchanger has high pressure bearing and high heat exchange efficiency, and the medium distribution and uniform distribution capacity at the liquid inlet and outlet corner holes of the heat exchanger is improved.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a double ripple plate heat exchanger, includes a plurality of heat transfer boards that range upon range of welding together from top to bottom, has the clearance between the two adjacent heat transfer boards in order to form the liquid side runner, sets up inlet and liquid outlet on the heat transfer board, inlet and the unilateral stream of liquid outlet arrange, every the liquid side runner includes inlet heat transfer district, middle main heat transfer district and liquid outlet heat transfer district, the inlet heat transfer district sets up the oblique ripple of inlet, middle main heat transfer district sets up middle chevron shape ripple structure, the liquid outlet heat transfer district sets up the oblique ripple of liquid outlet.
The middle herringbone corrugated structure is formed by splicing middle near-end oblique corrugations and middle far-end oblique corrugations.
The liquid inlet oblique corrugations are parallel to the middle near-end oblique corrugations.
And regarding the oblique corrugation of the liquid inlet, the corrugation pitch of the near end of the liquid inlet is smaller than that of the far end of the liquid inlet, and the corrugation pitch of the near end of the liquid inlet is 0.5-0.7 times of that of the far end of the liquid inlet.
The liquid inlet oblique ripple liquid flow cross-sectional area at the liquid inlet near end is 0.7-0.8 times of the liquid inlet oblique ripple liquid flow cross-sectional area at the liquid inlet far end.
The oblique ripples of the liquid outlet are parallel to the oblique ripples of the middle far end.
And the liquid outlet is obliquely corrugated, the corrugation pitch of the liquid outlet near end is smaller than that of the liquid outlet far end, and the corrugation pitch of the liquid outlet near end is 0.5-0.7 times that of the liquid outlet far end.
The flow cross-sectional area of the liquid outlet oblique ripple liquid at the liquid outlet near end is 0.7-0.8 times of the flow cross-sectional area of the liquid outlet oblique ripple liquid at the liquid outlet far end.
Compared with the prior art, the utility model has the advantages of:
the liquid inlet heat exchange area and the liquid outlet heat exchange area are respectively provided with the inclined corrugations, so that the distribution uniform distribution capacity of a medium in the liquid inlet heat exchange area and the liquid outlet heat exchange area is improved, and the high heat exchange efficiency capacity of the heat exchanger is still ensured by adopting the herringbone corrugations in the middle main heat exchange area.
Furthermore, the ripple pitch of the near end of the liquid inlet/outlet angle hole is improved, welding points between two adjacent heat exchange plates around the liquid inlet/outlet angle hole are encrypted, and the pressure bearing capacity of the heat exchanger is improved. Correspondingly, the flow cross section area of the oblique ripple medium at the far end of the liquid inlet/outlet is increased, the flow resistance of the medium at the oblique ripple part at the far end of the liquid inlet/outlet corner hole is reduced, and the medium is uniformly distributed at the far end of the liquid inlet/outlet corner hole.
Drawings
Fig. 1 is a schematic structural view of a heat exchange plate according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a heat exchange plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a heat exchange plate according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the flow of the inclined corrugated medium near the liquid inlet and outlet according to the embodiment of the present invention;
FIG. 5 is a cross-sectional view of the flow of the inclined corrugated medium at the distal end of the liquid inlet/outlet according to the embodiment of the present invention;
in the figure, a liquid inlet 1, a liquid outlet 2, a ripple pitch d1 of a liquid outlet near end, a ripple pitch d2 of a liquid outlet far end, a ripple pitch d4 of a liquid inlet near end, a ripple pitch d3 of a liquid inlet far end, a middle near end oblique ripple Z1, a middle far end oblique ripple Z2, a liquid outlet near end oblique ripple B1, a liquid outlet far end oblique ripple B2, a liquid inlet near end oblique ripple A1, a liquid inlet far end oblique ripple A2, a liquid outlet near end oblique ripple welding point H1, a liquid outlet far end oblique ripple welding point H2, a liquid inlet near end oblique ripple welding point H3, and a liquid inlet far end oblique ripple welding point H4.
Detailed Description
The present invention will be described in further detail with reference to the following drawings, which are illustrative and are not to be construed as limiting the present invention. The description of the present embodiment is corresponding to the accompanying drawings, and the description related to the orientation is also based on the description of the accompanying drawings, and should not be construed as limiting the scope of the present invention.
The double-corrugated plate heat exchanger in this embodiment, double-corrugated plate heat exchanger includes upper end plate and lower end plate, is equipped with a plurality of heat exchange plate groups that stack gradually between upper end plate and the lower end plate, sets up inlet 1 and liquid outlet 2 on every heat exchange plate group respectively, and inlet 1 and 2 unilateral flows of liquid outlet arrange, have the clearance between two heat exchange plates that constitute a set of heat exchange plate group to form the liquid side runner. Each liquid side runner is internally divided into a plurality of heat exchange areas which are respectively an oblique corrugated heat exchange area at the liquid inlet, a middle herringbone corrugated heat exchange area and an oblique corrugated heat exchange area at the liquid outlet.
The liquid inlet oblique corrugated heat exchange area is provided with liquid inlet oblique corrugations, the liquid outlet oblique corrugated heat exchange area is provided with liquid outlet oblique corrugations, the middle herringbone corrugated heat exchange area is provided with middle herringbone corrugations, and the middle herringbone corrugated structure is formed by splicing middle near-end oblique corrugations (corresponding to the lower oblique corrugations of the middle herringbone corrugations in the drawing) and middle far-end oblique corrugations (corresponding to the upper oblique corrugations of the middle herringbone corrugations in the drawing). The oblique ripples of liquid inlet are parallel with middle near-end oblique ripples, and the oblique ripples of liquid outlet is parallel with middle far-end oblique ripples.
In order to improve the pressure-bearing capacity of the near end of the liquid inlet/outlet of the heat exchange plate, the liquid inlet is obliquely corrugated, and the corrugation pitch of the near end of the liquid inlet is 0.5-0.7 times that of the far end of the liquid inlet; the liquid outlet is obliquely corrugated, and the corrugation pitch of the liquid outlet near end is 0.5-0.7 times that of the corrugation pitch of the liquid outlet far end. Meanwhile, in order to improve the uniform distribution capacity of the liquid medium at the far end of the liquid inlet/outlet, the liquid inlet oblique ripple liquid flow cross-sectional area at the near end of the liquid inlet is 0.7-0.8 times of the liquid inlet oblique ripple liquid flow cross-sectional area at the far end of the liquid inlet. The flow cross-sectional area of the liquid outlet oblique ripple liquid at the liquid outlet near end is 0.7-0.8 times of the flow cross-sectional area of the liquid outlet oblique ripple liquid at the liquid outlet far end.
According to the heat exchanger with the structure, the medium distribution uniform distribution capacity is improved in the liquid inlet oblique corrugated heat exchange area and the liquid outlet oblique corrugated heat exchange area, and the high heat exchange efficiency capacity of the heat exchanger is realized in the middle herringbone corrugated heat exchange area. By reducing the pitch of the oblique corrugations at the near end of the liquid inlet/outlet angle hole, welding points between two adjacent plates at the near end of the liquid inlet/outlet angle hole are encrypted, and the pressure bearing capacity of the heat exchanger is improved. The flow cross section area of the oblique ripple medium at the far end of the liquid inlet/outlet angle hole is increased, the flow resistance of the medium at the oblique ripple part at the far end of the liquid inlet/outlet angle hole is reduced, and the medium can flow through the far end of the liquid inlet/outlet angle hole more easily.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a double ripple plate heat exchanger, includes a plurality of heat transfer boards that range upon range of welding is in the same place from top to bottom, has the clearance in order to form the liquid side runner between two adjacent heat transfer boards, sets up inlet and liquid outlet on the heat transfer board, the unilateral stream of inlet and liquid outlet arranges its characterized in that: each liquid side runner comprises a liquid inlet heat exchange area, a middle main heat exchange area and a liquid outlet heat exchange area, wherein the liquid inlet heat exchange area is provided with liquid inlet inclined corrugations, the middle main heat exchange area is provided with a middle herringbone corrugated structure, and the liquid outlet heat exchange area is provided with liquid outlet inclined corrugations.
2. The dual corrugated plate heat exchanger of claim 1 wherein: the middle herringbone corrugated structure is formed by splicing middle near-end oblique corrugations and middle far-end oblique corrugations.
3. The dual corrugated plate heat exchanger of claim 2 wherein: the liquid inlet oblique corrugations are parallel to the middle near-end oblique corrugations.
4. The dual corrugated plate heat exchanger of claim 1 wherein: and regarding the oblique corrugation of the liquid inlet, the corrugation pitch of the near end of the liquid inlet is smaller than that of the far end of the liquid inlet, and the corrugation pitch of the near end of the liquid inlet is 0.5-0.7 times of that of the far end of the liquid inlet.
5. The dual corrugated plate heat exchanger of claim 1 wherein: the liquid inlet oblique ripple liquid flow cross-sectional area at the liquid inlet near end is 0.7-0.8 times of the liquid inlet oblique ripple liquid flow cross-sectional area at the liquid inlet far end.
6. The dual corrugated plate heat exchanger of claim 2 wherein: the oblique ripples of the liquid outlet are parallel to the oblique ripples of the middle far end.
7. The dual corrugated plate heat exchanger of claim 1 wherein: and the pitch of the liquid outlet near end is smaller than that of the liquid outlet far end, and the pitch of the liquid outlet near end is 0.5-0.7 times that of the liquid outlet far end.
8. The dual corrugated plate heat exchanger of claim 1 wherein: the liquid outlet oblique ripple liquid flow cross-sectional area at the liquid outlet near end is 0.7-0.8 times of the liquid outlet oblique ripple liquid flow cross-sectional area at the liquid outlet far end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707183.0U CN217541589U (en) | 2022-03-29 | 2022-03-29 | Double-corrugated plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220707183.0U CN217541589U (en) | 2022-03-29 | 2022-03-29 | Double-corrugated plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541589U true CN217541589U (en) | 2022-10-04 |
Family
ID=83429962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220707183.0U Active CN217541589U (en) | 2022-03-29 | 2022-03-29 | Double-corrugated plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541589U (en) |
-
2022
- 2022-03-29 CN CN202220707183.0U patent/CN217541589U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10473403B2 (en) | Heat exchanger | |
| US20120125583A1 (en) | Heat exchanger | |
| CN101655321B (en) | High-pressure aluminum plate-fin heat exchanger | |
| CN212931108U (en) | Heat exchange plate of wide-flow-channel plate heat exchanger | |
| CN112033192A (en) | High-pressure-resistant high-heat-exchange-rate brazed heat exchanger | |
| CN217541589U (en) | Double-corrugated plate heat exchanger | |
| CN108061471B (en) | A kind of multiple-unit composite screw plate heat exchanger | |
| CN101696862B (en) | Full welded plate bundle with reinforced structures | |
| CN201225853Y (en) | Wide channel plate heat exchanger with detachable intensified element on one side | |
| CN101539384A (en) | Fins for serial fin type heat exchanger | |
| CN201476658U (en) | Nodal type inner fin heat exchange tube | |
| CN201540057U (en) | Integrated self-reinforced compact primary surface heat exchange plate and runner structure consisting of same | |
| CN201225852Y (en) | Wide channel plate heat exchanger with detachable intensified element on one side | |
| CN200965438Y (en) | Wide channel weld plate type heat exchanger | |
| CN205300358U (en) | Heat exchanger sheet structure | |
| CN210802183U (en) | Heat exchange plate with high and low corrugations staggered | |
| CN210802182U (en) | Heat exchange plate | |
| CN212378563U (en) | Corrugated plate gas-gas heat exchanger | |
| CN218329490U (en) | Oval corrugated plate and plate heat exchanger | |
| CN201488585U (en) | High-pressure aluminum plate-fin heat exchanger | |
| CN220356168U (en) | Composite corrugated plate structure | |
| CN100387927C (en) | Ribbed plate type heat exchanger with medium equipartition device | |
| CN212300043U (en) | Brazed heat exchanger with high heat exchange rate | |
| CN220288326U (en) | Heat exchange assembly | |
| CN205300326U (en) | Heat exchanger that varies volume access structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |