CN211601686U - Plate heat exchanger and single corrugated plate thereof - Google Patents
Plate heat exchanger and single corrugated plate thereof Download PDFInfo
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- CN211601686U CN211601686U CN201922116179.8U CN201922116179U CN211601686U CN 211601686 U CN211601686 U CN 211601686U CN 201922116179 U CN201922116179 U CN 201922116179U CN 211601686 U CN211601686 U CN 211601686U
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- single corrugated
- heat exchanger
- corrugated sheet
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Abstract
The utility model provides a plate heat exchanger and single ripple slab thereof belongs to heat exchanger technical field. It has solved the not good problem of effective heat transfer area of current plate heat exchanger and heat exchange efficiency. This plate heat exchanger's single ripple slab, ripple slab all have the chamfer for rectangle and four corners, and the four corners of ripple slab all is equipped with an angular hole, and the ripple slab is provided with a plurality of long banding ripples that set up for ripple slab length direction slope, and each long banding ripple sets up along the length direction of ripple slab at interval in proper order. The resistance of the whole heat exchange area is uniform, the effective heat exchange area is large, and the heat exchange efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, a corrugated plate heat exchanger, especially a corrugated plate heat exchanger and single ripple slab thereof is related to.
Background
The plate heat exchanger is a new type high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, and a channel with certain shape is formed between various sheets, and heat exchange is carried out through the sheets, so that the plate heat exchanger is an ideal device for carrying out heat exchange on liquid-liquid and liquid-vapor. However, as shown in fig. 1, the conventional stainless steel plate heat exchanger has a wave shape like a herringbone wave, a single side flow, F1 and F2 are flow channels, which are referred to as flow channels (i) temporarily, and F3 and F4 are flow channels, which are referred to as flow channels (ii) temporarily, in the case of the flow channel (i), because the corrugation is herringbone wave, single side flow and the arrangement between the plates is formed by mutually overlapping two adjacent plates which rotate 180 degrees to form the two flow channels, the fluid in the flow channels flows along the length direction of the plates in a staggered way, because the flowing direction and length of the fluid are different, the resistance and flow velocity of the fluid in the whole plate are different, the flow velocity near the inlet and outlet directions of the corner holes F1 and F2 is high, the flow rate is large, the heat exchange area is approximately arc-shaped by the corner holes F1 and F2, namely, the flow rate at the near-angle holes F3 and F4 is small, even no flow rate is generated, the heat exchange area cannot be fully used, and the problem of the flow channel (II) also exists.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a plate heat exchanger's single ripple slab, the technical problem that it will solve is the effective heat transfer area and the heat exchange efficiency who how to improve the heat exchanger.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a single corrugated plate of plate heat exchanger, single corrugated plate is rectangle and four corners all have the chamfer, the four corners of single corrugated plate all is equipped with an angular hole, its characterized in that, single corrugated plate is provided with a plurality of long banding ripples that set up for single corrugated plate length direction slope, and each long banding ripple sets up along the length direction of single corrugated plate interval in proper order.
In the single corrugated plate of the plate heat exchanger, the section of the strip-shaped corrugation is trapezoidal or circular arc.
In the single corrugated sheet of the plate heat exchanger, the angle range of the included angle alpha between the strip-shaped corrugations and the length direction of the single corrugated sheet is more than 0 degrees and less than 90 degrees.
In the single corrugated plate of the plate heat exchanger, the angle range of the included angle alpha between the strip-shaped corrugations and the length direction of the single corrugated plate is more than or equal to 30 degrees and less than or equal to 75 degrees
In the single corrugated plate of the plate heat exchanger, the angle range of the included angle alpha between the strip-shaped corrugations and the length direction of the single corrugated plate is more than or equal to 40 degrees and less than or equal to 65 degrees
In the single corrugated plate of the plate heat exchanger, the included angle between the long strip-shaped corrugation around the corner hole of the single corrugated plate and the length direction of the single corrugated plate is larger than the included angle between the long strip-shaped corrugation in the middle of the single corrugated plate and the length direction of the single corrugated plate.
In the single corrugated sheet of the plate heat exchanger described above, the distance between the two elongated corrugations located at the end portions in the length direction of the single corrugated sheet is smaller than the distance between the two elongated corrugations located at the middle portion of the single corrugated sheet.
In the above-described single corrugated sheet of the plate heat exchanger, the spacing between adjacent two elongated corrugations on the single corrugated sheet gradually increases from one end to the other end along the length direction of the single corrugated sheet.
A plate heat exchanger is characterized by comprising a heat exchanger main body formed by sequentially laminating a plurality of single corrugated plates.
Compared with the prior art, the utility model has the advantages of it is following:
1. compared with the herringbone corrugation, the utility model has the advantages that the mould of the single corrugated plate sheet is simple to process and low in cost;
2. the utility model discloses a regional resistance of whole heat transfer is even, and effective heat transfer area is big, and heat exchange efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a conventional herringbone single corrugated plate.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the second embodiment of the present invention.
Fig. 4 is a schematic diagram of a third structure according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a fourth structure according to the embodiment of the present invention.
In the figure, 1, a single corrugated sheet; 2. corner holes; 3. and (4) strip-shaped corrugation.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
referring to fig. 2, in the single corrugated plate of the plate heat exchanger of the present embodiment, the single corrugated plate 1 is rectangular, four corners of the single corrugated plate 1 have chamfers, four corners of the single corrugated plate 1 are provided with corner holes 2, the single corrugated plate 1 is provided with a plurality of strip-shaped corrugations 3 inclined with respect to the length direction of the single corrugated plate 1, and each strip-shaped corrugation 3 is sequentially arranged along the length direction of the single corrugated plate 1 at intervals.
Further, the section of the strip-shaped corrugation 3 is trapezoidal or circular arc.
Further, the angle range of the included angle alpha between the strip-shaped corrugation 3 and the length direction of the single corrugated sheet 1 is 0 degrees & lt alpha & lt 90 degrees, preferably 30 degrees & lt alpha & lt 75 degrees, and more preferably 40 degrees & lt alpha & lt 65 degrees
Example two:
referring to fig. 3, the structure of the second embodiment is substantially the same as that of the first embodiment, except that the angle between the elongated corrugations 3 around the angular holes 2 on the single corrugated sheet 1 and the length direction of the single corrugated sheet 1 is greater than the angle between the elongated corrugations 3 in the middle of the single corrugated sheet 1 and the length direction of the single corrugated sheet 1.
Example three:
referring to fig. 4, the interval between the two elongated corrugations 3 at the end portions in the length direction of the single corrugated sheet 1 is smaller than the interval between the two elongated corrugations 3 at the middle portion of the single corrugated sheet 1.
Example four:
referring to fig. 5, the interval between two adjacent elongated corrugations 3 on a single corrugated sheet 1 gradually increases from one end to the other end along the length direction of the single corrugated sheet 1.
The embodiment also comprises a plate heat exchanger, which comprises a heat exchanger main body formed by sequentially and reversely laminating a plurality of single corrugated plates according to 180 degrees.
In the embodiment, the herringbone corrugations are arranged on the single corrugated plate piece 1, and the die of the single corrugated plate piece 1 is simple to process and low in cost; and the whole heat exchange area resistance of the plate heat exchanger after assembling and forming is uniform, the effective heat exchange area is large, and the heat exchange efficiency is high.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a single corrugated plate piece of plate heat exchanger, single corrugated plate piece (1) all has the chamfer for rectangle and four corners, the four corners of single corrugated plate piece (1) all is equipped with one angular hole (2), its characterized in that, single corrugated plate piece (1) is provided with a plurality of long form ripples (3) that set up for single corrugated plate piece (1) length direction slope, and each long form ripple (3) sets up along the length direction of single corrugated plate piece (1) interval in proper order.
2. Single corrugated sheet of a plate heat exchanger according to claim 1, wherein the cross-section of the elongated corrugations (3) is trapezoidal or circular.
3. A single corrugated sheet of a plate heat exchanger according to claim 1, characterized in that the angle α of the elongated corrugations (3) with the length direction of the single corrugated sheet (1) is in the range 0 ° < α < 90 °.
4. A single corrugated sheet of a plate heat exchanger according to claim 3, wherein the angle α between the elongated corrugations (3) and the length of the single corrugated sheet (1) is in the range of 30 ° α or more and 75 ° or less.
5. Single corrugated sheet of a plate heat exchanger according to claim 4, wherein the angle α between the elongated corrugations (3) and the length direction of the single corrugated sheet (1) is in the range 40 ° ≦ α ≦ 65 °.
6. The single corrugated sheet of a plate heat exchanger according to claim 1 or 2 or 3 or 4 or 5, wherein the angle between the elongated corrugations (3) around the angular holes (2) on the single corrugated sheet (1) and the length direction of the single corrugated sheet (1) is larger than the angle between the elongated corrugations (3) in the upper middle of the single corrugated sheet (1) and the length direction of the single corrugated sheet (1).
7. The single corrugated sheet of a plate heat exchanger according to claim 1 or 2 or 3 or 4 or 5, wherein the spacing between two elongated corrugations (3) at the ends of the single corrugated sheet (1) in the length direction is smaller than the spacing between two elongated corrugations (3) in the middle of the single corrugated sheet (1).
8. The single corrugated sheet of a plate heat exchanger according to claim 1 or 2 or 3 or 4 or 5, wherein the spacing between two adjacent elongated corrugations (3) on the single corrugated sheet (1) increases from one end to the other along the length of the single corrugated sheet (1).
9. A plate heat exchanger, characterized in that it comprises a heat exchanger body consisting of a number of single corrugated plates (1) according to any one of claims 1-8, in succession in a stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116179.8U CN211601686U (en) | 2019-11-29 | 2019-11-29 | Plate heat exchanger and single corrugated plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116179.8U CN211601686U (en) | 2019-11-29 | 2019-11-29 | Plate heat exchanger and single corrugated plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601686U true CN211601686U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922116179.8U Active CN211601686U (en) | 2019-11-29 | 2019-11-29 | Plate heat exchanger and single corrugated plate thereof |
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| Country | Link |
|---|---|
| CN (1) | CN211601686U (en) |
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2019
- 2019-11-29 CN CN201922116179.8U patent/CN211601686U/en active Active
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