CN213455098U - Plate heat exchanger with unequal plate sheets and flow cross-sectional areas - Google Patents
Plate heat exchanger with unequal plate sheets and flow cross-sectional areas Download PDFInfo
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- CN213455098U CN213455098U CN202022104254.1U CN202022104254U CN213455098U CN 213455098 U CN213455098 U CN 213455098U CN 202022104254 U CN202022104254 U CN 202022104254U CN 213455098 U CN213455098 U CN 213455098U
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Abstract
The utility model relates to a heat exchanger slab and circulation sectional area vary plate heat exchanger. The heat exchanger plate comprises a heat exchange area, wherein heat exchange corrugations are arranged in the heat exchange area, the heat exchange corrugations comprise large wave crests and large wave troughs, the tops of the large wave crests and the bottoms of the large wave troughs are planes, a plurality of small wave crests are arranged in the large wave troughs, and the tops of the small wave crests are planes. The plate heat exchanger comprises the heat exchanger plate sheets, wherein the large wave crest side and the large wave crest side of two adjacent heat exchanger plate sheets are oppositely arranged, and the large wave trough side are oppositely arranged. A plate heat exchanger with very different cross-sectional flow areas can be formed.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger and specifically relates to a heat exchanger slab and circulation sectional area plate heat exchanger that varies.
Background
The plate heat exchanger has the advantages of high-efficiency heat exchange, convenience in maintenance and the like, and is applied to the fields of petrifaction, metallurgy, electric power, food, medicine and the like. In order to improve the heat exchange efficiency of the heat exchanger, the flow speed of the cold and hot media is generally expected to be equal as much as possible, but in actual industrial production, the flow rate of the cold and hot media is not always the same, and the flow ratio of the cold and hot media can reach 10:1, so that the plate heat exchangers with different flow cross sections can be produced at once.
However, the difference of the cross-sectional areas of the flow channels of the two medium channels of the plate heat exchanger with the unequal cross-sectional areas in the traditional structure is not large, and the working condition of higher flow ratio of the two media cannot be processed.
Disclosure of Invention
The utility model aims at providing a heat exchanger slab and circulation sectional area plate heat exchanger that varies for the flow path sectional area difference of two kinds of mediums of heat exchanger is big.
The technical scheme of the utility model:
a heat exchanger plate comprises a heat exchange area, wherein the heat exchange area is provided with heat exchange corrugations, and the heat exchanger plate is characterized in that: the heat exchange corrugation comprises a large wave crest and a large wave trough, the top of the large wave crest and the bottom of the large wave trough are planes, a plurality of small wave crests are arranged in the large wave trough, and the tops of the small wave crests are planes.
The number of the small wave crests in the large wave trough is 2-5, the height of the large wave crest is more than three times of the height of the small wave crest, and the width of the single pitch is more than 2.8 times of the height of the large wave crest.
The height of the large peak is more than or equal to 6 mm.
A plate heat exchanger with unequal flow cross-sectional areas comprises a fixed plate, a movable plate, an upper cross beam, a lower cross beam, a clamping bolt pair, a support, heat exchanger plates and a sealing gasket, wherein the heat exchanger plates are any one of the heat exchanger plates, the large crest side and the large crest side of two adjacent heat exchanger plates are oppositely arranged, and the large trough side are oppositely arranged.
The utility model has the advantages that:
1. the heat exchanger plate is formed by alternately arranging large wave crests and large wave troughs, and a plurality of small wave crests are formed in the large wave troughs. When the heat exchanger is assembled by the plates, the large wave crest side and the large wave crest side of two adjacent heat exchanger plates are oppositely arranged, and the large wave trough side are oppositely arranged, so that the cross sections of two medium channels in the formed heat exchanger are greatly different.
2. The number of small wave crests in the single pitch of the heat exchanger plate is 2-5, meanwhile, a is larger than 3b, c is larger than 2.8a, and the tops of high corrugations and small high corrugations are planes. Thus, medium passages with different cross-sectional flow areas can be formed, and the cross-sectional area ratio reaches 8:1 or more.
Drawings
Fig. 1 is the structure schematic diagram of the heat exchanger of the present invention.
FIG. 2 is a schematic view of the sheet structure of the present invention;
FIG. 3 is a cross-sectional view of the plate I-I of FIG. 2;
FIG. 4 is a schematic view of the A side and the A side of the plate forming a medium channel;
FIG. 5 is a schematic view of the media channels formed on the side B and the side B of the plate;
the labels in the figure are: 1-fixed plate, 2-clamping bolt pair, 3-plate, 4-sealing gasket, 5-upper beam, 6-bracket, 7-lower beam, 8-movable plate, 9-big wave crest, 10-small wave crest and 11-big wave trough.
Detailed Description
The application relates to a novel heat exchange plate and a plate heat exchanger with unequal flow cross-sectional areas. The heat exchanger is mainly used for heat exchange of cold and hot media in the field with unequal flow on two sides. The device is particularly suitable for certain working conditions with large flow ratio of cold side to hot side.
As shown in fig. 2 to 5, a heat exchanger plate includes a heat exchange region, the heat exchange region is provided with heat exchange corrugations, the heat exchange corrugations include large peaks and large valleys, tops of the large peaks and bottoms of the large valleys are planes, a plurality of small peaks are arranged in the large valleys, and tops of the small peaks are planes. The number of the small wave crests in the large wave trough is 2-5.
As shown in fig. 2-5, the height of the large peak is greater than three times the height of the small peak (fig. a > 3b), and the width of the single pitch is greater than 2.8 times the height of the large peak (fig. c > 2.8 a). According to practice, the height of the large peak is preferably equal to or greater than 6 mm.
As shown in fig. 1, 4 and 5, a plate heat exchanger with unequal flow cross-sectional areas comprises a fixed plate, a movable plate, an upper cross beam, a lower cross beam, a clamping bolt pair, a support, a heat exchanger plate and a sealing gasket, wherein the positions and the connection relation of the above structures are the same as those of the prior art, and the heat exchanger plate adopts the heat exchanger plate with the above structure. The large wave crest side and the large wave crest side of two adjacent heat exchanger plates are oppositely arranged, and the large wave trough side are oppositely arranged. The specific assembly is as shown in the figure: when the plate is assembled, the side A is opposite to the side A, and the side B is opposite to the side B, so that medium channels with different cross-sectional flow areas can be formed. The height of the large wave crest is more than three times of the height of the small wave crest (shown as a figure a is more than 3b), the width of the single pitch is more than 2.8 times of the height of the large wave crest (shown as a figure c is more than 2.8a), and the cross-sectional area ratio of the two medium flow passages of the heat exchanger can reach 8:1 and above.
Claims (4)
1. A heat exchanger plate comprises a heat exchange area, wherein the heat exchange area is provided with heat exchange corrugations, and the heat exchanger plate is characterized in that: the heat exchange corrugation comprises a large wave crest and a large wave trough, the top of the large wave crest and the bottom of the large wave trough are planes, a plurality of small wave crests are arranged in the large wave trough, and the tops of the small wave crests are planes.
2. A heat exchanger plate according to claim 1, characterized in that: the number of the small wave crests in the large wave trough is 2-5, the height of the large wave crest is more than three times of the height of the small wave crest, and the width of the single pitch is more than 2.8 times of the height of the large wave crest.
3. A heat exchanger plate according to claim 1 or 2, characterized in that: the height of the large peak is more than or equal to 6 mm.
4. The utility model provides a flow cross sectional area varies plate heat exchanger, includes fixed plate, fly leaf, entablature, bottom end rail, clamping bolt pair, support, heat exchanger slab, seal gasket, its characterized in that: the heat exchanger plate as recited in any one of claims 1 to 3, wherein the large crest side and the large crest side of two adjacent heat exchanger plates are arranged opposite to each other, and the large valley side are arranged opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104254.1U CN213455098U (en) | 2020-09-23 | 2020-09-23 | Plate heat exchanger with unequal plate sheets and flow cross-sectional areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104254.1U CN213455098U (en) | 2020-09-23 | 2020-09-23 | Plate heat exchanger with unequal plate sheets and flow cross-sectional areas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213455098U true CN213455098U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022104254.1U Active CN213455098U (en) | 2020-09-23 | 2020-09-23 | Plate heat exchanger with unequal plate sheets and flow cross-sectional areas |
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| CN (1) | CN213455098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111395A (en) * | 2021-12-08 | 2022-03-01 | 江阴市亚龙换热设备有限公司 | Plate heat exchanger with high-low structure |
-
2020
- 2020-09-23 CN CN202022104254.1U patent/CN213455098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111395A (en) * | 2021-12-08 | 2022-03-01 | 江阴市亚龙换热设备有限公司 | Plate heat exchanger with high-low structure |
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