CN216977623U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN216977623U CN216977623U CN202220103998.8U CN202220103998U CN216977623U CN 216977623 U CN216977623 U CN 216977623U CN 202220103998 U CN202220103998 U CN 202220103998U CN 216977623 U CN216977623 U CN 216977623U
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Abstract
The utility model discloses a heat exchanger, and relates to the technical field of heat exchangers. The first plate and the second plate are provided with a plurality of first sealing rings and a plurality of second sealing rings, the first plate and the second plate are arranged between the first end plate and the second end plate at intervals in sequence along a first direction, the first plate and the second plate are provided with a first through hole for a first medium to flow in, a second through hole for a first medium to flow out, a third through hole for a second medium to flow in and a fourth through hole for a second medium to flow out, and two first sealing rings and one second sealing ring are arranged between the adjacent first plate and the second plate. The utility model has good sealing effect, is not easy to generate cross contamination of the first medium and the second medium, and protects the medium system.
Description
Technical Field
The utility model belongs to the technical field of plate heat exchangers, and particularly relates to a heat exchanger.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, and is ideal equipment for carrying out heat exchange on liquid and liquid steam. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like, and is widely applied to the heat exchange link of a medium system.
The medium leakage of the heat exchanger is an important reason for the damage of the heat exchanger, and the medium leakage can bring economic loss except the damage of the heat exchanger, once the medium leakage occurs, two different media in the heat exchanger can be mixed, the pollution and deterioration of the media can be caused, and the whole medium system can be damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the heat exchanger which has a good sealing effect, is not easy to cause cross contamination of a first medium and a second medium, and protects a medium system.
The technical scheme of the utility model is as follows:
the present invention provides a heat exchanger, comprising:
a first end plate;
the first end plate is provided with a first through hole for the inflow of a first medium, a second through hole for the outflow of the first medium, a third through hole for the inflow of a second medium and a fourth through hole for the outflow of the second medium, and the first end plate and the second end plate are oppositely arranged along a first direction;
the first plate and the second plate are sequentially arranged between the first end plate and the second end plate at intervals along the first direction, the first plate and the second plate are respectively provided with a first through hole for a first medium to flow in, a second through hole for a first medium to flow out, a third through hole for a second medium to flow in and a fourth through hole for a second medium to flow out, and the first plate and the second plate are respectively provided with a first side surface and a second side surface along the first direction;
the first sealing ring and the second sealing ring are arranged between the adjacent first plate and the second plate, two first sealing rings and one second sealing ring are arranged between the adjacent first plate and the adjacent second plate:
for the first and second seal rings disposed between the first side of the first plate and the second side of the second plate: the first through hole of the first plate is communicated with the first through hole of the first plate through one first sealing ring, the second through hole of the first plate is communicated with the second through hole of the second plate through the other first sealing ring, and the third through hole and the fourth through hole of the first plate and the third through hole and the fourth through hole of the second plate are all enclosed in the second sealing ring to form a first heat exchange cavity;
for the first and second seal rings disposed between the second side of the first plate and the first side of the second plate: the third through hole of the first plate is communicated with the third through hole of the first plate through one first sealing ring, the fourth through hole of the first plate is communicated with the fourth through hole of the second plate through the other first sealing ring, and the first through hole and the second through hole of the first plate and the first through hole and the second through hole of the second plate are all enclosed in the second sealing ring to form a second heat exchange cavity;
the first end plate and the second end plate are respectively attached and connected with the first plate sheet on the outermost side.
Further, a third sealing ring is arranged between the adjacent first plate and the second plate, the first sealing ring and the second sealing ring are arranged in the corresponding third sealing ring, and the third sealing ring is provided with a notch.
Further, the lower end of the third sealing ring is provided with a notch.
Furthermore, the heights of the first through holes of the first plate and the second plate are higher than the height of the second through hole, and the heights of the third through holes of the first plate and the second plate are higher than the height of the fourth through hole.
Further, the heat exchanger includes the screw rod, first slab width direction's both sides all are provided with the screw rod, the outer end of first end plate with the second end plate all stretch out in first slab with the second slab, the outer end of first end plate with the second end plate passes through the screw rod is connected.
Furthermore, the two sides of the first plate are respectively provided with a plurality of screws, and the outer ends of the first end plate and the second end plate are connected through the plurality of screws.
Furthermore, the upper end and the lower extreme of first end plate all are provided with the edge the locating pin that first direction set up, first slab with all be provided with on the second slab with locating pin complex locating hole, first slab with the second slab through set up in the locating hole the locating pin with first end plate with second end plate fixed connection, every the locating pin set up in outside the third sealing ring.
Further, the upper end and the lower extreme of first end plate all are provided with a plurality ofly the locating pin.
Further, the first sealing ring is circular.
Further, the first sealing ring and the second sealing ring are both rubber sealing rings.
The beneficial effects of the utility model at least comprise:
the utility model provides a heat exchanger which comprises a first end plate, a second end plate, a first plate, a second plate, a first sealing ring and a second sealing ring. When the heat exchanger exchanges heat between a first medium and a second medium, the first medium flows in from a first through hole of a second end plate and flows in along a first medium channel formed by first through holes of a first plate and a second plate, the first through hole and the second through hole of the first plate and the first through hole and the second through hole of the second plate are enclosed in a second heat exchange cavity formed in a second sealing ring, and the first medium can flow in from the first through hole to the second through hole; and in the third through hole and the fourth through hole of the first plate and the third through hole and the fourth through hole of the second plate all enclose and establish the first heat transfer chamber that forms in the second sealing ring, the second medium can flow into the fourth through hole from the third through hole, and second heat transfer chamber and first heat transfer chamber set up in turn, just make first medium and second medium can carry out metal (first plate or second plate) heat transfer, realized accomplishing the heat exchange at the circulation in-process of first medium and second medium, and heat transfer area is big, the heat transfer is effectual. Because the first through hole and the second through hole of each first plate and each second plate are respectively sealed and surrounded by the first sealing ring, or are surrounded by the second sealing ring at the same time, and the third through hole and the fourth through hole of each first plate and each second plate are respectively sealed and surrounded by the first sealing ring, or are surrounded by the second sealing ring at the same time, if the first medium and the second medium are polluted, two seals must be broken through, while the first through hole in the prior art adopts one sealing ring to seal, the second through hole adopts a small sealing ring to seal, and the peripheries of the first through hole, the second through hole, the third through hole and the fourth through hole are surrounded by a large sealing ring, and the two small sealing rings are arranged in the large sealing ring, so that the medium passing through the small sealing ring can be mixed and polluted with the medium in the large sealing ring only by breaking through one sealing when the pollution occurs, compared with the prior art, the sealing device has better sealing effect, is not easy to cause cross contamination of the first medium and the second medium, and protects a medium system.
Drawings
FIG. 1 is a schematic view of a heat exchanger according to the present embodiment;
FIG. 2 is a schematic view of the first plate of FIG. 1;
fig. 3 is a schematic view of the structure of the second plate in fig. 1.
Description of the reference numerals:
1-a first end plate, 2-a second end plate, 3-a first through hole, 4-a second through hole, 5-a third through hole, 6-a fourth through hole, 7-a first plate, 8-a second plate, 9-a first sealing ring, 10-a second sealing ring, 11-a third sealing ring, 12-a notch and 13-a screw rod.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
Fig. 1 is a schematic structural view of a heat exchanger according to the present embodiment, fig. 2 is a schematic structural view of a first plate 7 in fig. 1, and fig. 3 is a schematic structural view of a second plate 8 in fig. 1. With reference to fig. 1 to 3, the present invention provides a heat exchanger comprising a first end plate 1, a second end plate 2, a first plate 7, a second plate 8, a first sealing ring 9 and a second sealing ring 10.
The second end plate 2 is provided with a first through hole 3 for a first medium to flow in, a second through hole 4 for the first medium to flow out, a third through hole 5 for a second medium to flow in and a fourth through hole 6 for the second medium to flow out, and the first end plate 1 and the second end plate 2 are arranged oppositely along a first direction; the number of the first plate 7 and the number of the second plate 8 are multiple, the first plate 7 and the second plate 8 are sequentially arranged between the first end plate 1 and the second end plate 2 at intervals along a first direction, the first plate 7 and the second plate 8 are respectively provided with a first through hole 3 for a first medium to flow in, a second through hole 4 for a first medium to flow out, a third through hole 5 for a second medium to flow in and a fourth through hole 6 for a second medium to flow out, and the first plate 7 and the second plate 8 are respectively provided with a first side surface and a second side surface along the first direction; two first sealing rings 9 and one second sealing ring 10 are arranged between the adjacent first 7 and second 8 plates:
for the first 9 and second 10 sealing rings disposed between the first side of the first plate 7 and the second side of the second plate 8: the first through hole 3 of the first plate 7 is communicated with the first through hole 3 of the first plate 7 through one first sealing ring 9, the second through hole 4 of the first plate 7 is communicated with the second through hole 4 of the second plate 8 through the other first sealing ring 9, and the third through hole 5 and the fourth through hole 6 of the first plate 7 and the third through hole 5 and the fourth through hole 6 of the second plate 8 are all surrounded in the second sealing ring 10 to form a first heat exchange cavity;
for the first 9 and second 10 sealing rings disposed between the second side of the first plate 7 and the first side of the second plate 8: the third through hole 5 of the first plate 7 is communicated with the third through hole 5 of the first plate 7 through one first sealing ring 9, the fourth through hole 6 of the first plate 7 is communicated with the fourth through hole 6 of the second plate 8 through the other first sealing ring 9, and the first through hole 3 and the second through hole 4 of the first plate 7 and the first through hole 3 and the second through hole 4 of the second plate 8 are all surrounded in the second sealing ring 10 to form a second heat exchange cavity;
the first end plate 1 and the second end plate 2 are respectively attached and connected with the first plate 7 at the outermost side.
When the heat exchanger exchanges heat between a first medium and a second medium, the first medium flows in from the first through hole 3 of the second end plate 2 and flows in along a first medium channel formed by the first through holes 3 of the first plate 7 and the second plate 8, and the first medium can flow in from the first through hole 3 to the second through hole 4 in a second heat exchange cavity formed in the second sealing ring 10 in a manner that the first through hole 3 and the second through hole 4 of the first plate 7 and the first through hole 3 and the second through hole 4 of the second plate 8 are enclosed; and the third through hole 5 and the fourth through hole 6 of the first plate 7 and the third through hole 5 and the fourth through hole 6 of the second plate 8 are all enclosed in a first heat exchange cavity formed in the second sealing ring 10, the second medium can flow into the fourth through hole 6 from the third through hole 5, and the second heat exchange cavity and the first heat exchange cavity are alternately arranged, so that the first medium and the second medium can transfer heat for metal (the first plate 7 or the second plate 8), heat exchange is completed in the circulation process of the first medium and the second medium, the heat exchange area is large, and the heat exchange effect is good. Because the first through hole 3 and the second through hole 4 of each first plate 7 and each second plate 8 are respectively and hermetically surrounded by the first sealing ring 9, or are simultaneously surrounded by the second sealing ring 10, and the third through hole 5 and the fourth through hole 6 of each first plate 7 and each second plate 8 are respectively and hermetically surrounded by the first sealing ring 9, or are simultaneously surrounded by the second sealing ring 10, two seals are required to be broken through if the first medium and the second medium are polluted, while the first through hole 3 in the prior art adopts one sealing ring for sealing, the second through hole 4 adopts one small sealing ring for sealing, and a large sealing ring is surrounded on the peripheries of the first through hole 3, the second through hole 4, the third through hole 5 and the fourth through hole 6, and the two small sealing rings are arranged in the large sealing ring, when the pollution occurs, the medium passing through the small sealing ring can be mixed with the medium in the large sealing ring by breaking through one sealing ring, compared with the prior art, the heat exchanger has better two-way sealing effect.
The first plate and the second plate are named only for convenience of description, and in fact, the first plate and the second plate may be the same plate. Thus, the outermost plate may be the first plate or the second plate.
Further, with reference to fig. 2 and fig. 3, in this embodiment, a third sealing ring 11 is disposed between the adjacent first plate 7 and the second plate 8, the first sealing ring 9 and the second sealing ring 10 are both disposed in the corresponding third sealing ring 11, the third sealing ring 11 is provided with a notch 12, the third sealing ring 11 can play a role in dust prevention, and the notch 12 can also be used for observing whether leakage occurs.
Specifically, with reference to fig. 2 and 3, in the present embodiment, the lower end of the third sealing ring 11 is provided with a notch 12, so that the leakage is easy to flow out, and the leakage is easy to be found, so that the leakage can be disposed as soon as possible, and the mixed contamination of the first medium and the second medium in the system can be avoided.
Preferably, with reference to fig. 2 and 3, in the present embodiment, the heights of the first through holes 3 of the first plate 7 and the second plate 8 are higher than the height of the second through holes 4, and the heights of the third through holes 5 of the first plate 7 and the second plate 8 are higher than the height of the fourth through holes 6.
In order to realize fixation, referring to fig. 1, in this embodiment, the heat exchanger may include screws 13, the screws 13 are disposed on both sides of the first plate 7 in the width direction, outer ends of the first end plate 1 and the second end plate 2 extend out of the first plate 7 and the second plate 8, and outer ends of the first end plate 1 and the second end plate 2 are connected by the screws 13, so as to compress the first plate 7 and the second plate 8, thereby improving the sealing effect.
In order to improve the fixing effect, referring to fig. 1, in the present embodiment, two sides of the first plate 7 are respectively provided with a plurality of screws 13, and the outer ends of the first end plate 1 and the second end plate 2 are connected by the plurality of screws 13. Each side of the first slab may be provided with 3 screws 13, or 4 screws 13, without limitation.
In order to guarantee the vertical positioning effect of first slab and second slab 8, in this embodiment, the upper end and the lower extreme of first end plate 1 all are provided with the locating pin that sets up along first direction, all be provided with on first slab 7 and the second slab 8 with locating pin complex locating hole, first slab 7 and second slab 8 through set up locating pin and first end plate 1 and second end plate 2 fixed connection in the locating hole, every locating pin sets up outside third sealing ring 11.
Preferably, in the present embodiment, the upper end and the lower end of the first end plate 1 are each provided with a plurality of positioning pins.
Specifically, in conjunction with fig. 2 and 3, in the present embodiment, the first sealing ring 9 is circular, but may also be oval or square, so as to achieve sealing, and is not limited herein.
More specifically, in the present embodiment, the first seal ring 9, the second seal ring 10, and the third seal ring 11 may be all rubber seal rings, and have good elasticity and good sealing effect.
While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A heat exchanger, characterized in that the heat exchanger comprises:
a first end plate;
the first end plate is provided with a first through hole for the inflow of a first medium, a second through hole for the outflow of the first medium, a third through hole for the inflow of a second medium and a fourth through hole for the outflow of the second medium, and the first end plate and the second end plate are oppositely arranged along a first direction;
the first plate and the second plate are sequentially arranged between the first end plate and the second end plate at intervals along the first direction, the first plate and the second plate are respectively provided with a first through hole for a first medium to flow in, a second through hole for a first medium to flow out, a third through hole for a second medium to flow in and a fourth through hole for a second medium to flow out, and the first plate and the second plate are respectively provided with a first side surface and a second side surface along the first direction;
the first sealing ring and the second sealing ring are arranged between the adjacent first plate and the second plate, two first sealing rings and one second sealing ring are arranged between the adjacent first plate and the adjacent second plate:
for the first and second seal rings disposed between the first side of the first plate and the second side of the second plate: the first through hole of the first plate is communicated with the first through hole of the first plate through one first sealing ring, the second through hole of the first plate is communicated with the second through hole of the second plate through the other first sealing ring, and the third through hole and the fourth through hole of the first plate and the third through hole and the fourth through hole of the second plate are all enclosed in the second sealing ring to form a first heat exchange cavity;
for the first and second seal rings disposed between the second side of the first plate and the first side of the second plate: the third through hole of the first plate is communicated with the third through hole of the first plate through one first sealing ring, the fourth through hole of the first plate is communicated with the fourth through hole of the second plate through the other first sealing ring, and the first through hole and the second through hole of the first plate and the first through hole and the second through hole of the second plate are all enclosed in the second sealing ring to form a second heat exchange cavity;
the first end plate and the second end plate are respectively attached and connected with the first plate sheet on the outermost side.
2. The heat exchanger according to claim 1, wherein a third sealing ring is arranged between the adjacent first plate and the second plate, the first sealing ring and the second sealing ring are both arranged in the corresponding third sealing ring, and the third sealing ring is provided with a notch.
3. A heat exchanger according to claim 2, wherein the lower end of the third seal ring is provided with a notch.
4. The heat exchanger according to claim 2, wherein the first through holes of the first plate and the second plate are higher than the second through holes, and the third through holes of the first plate and the second plate are higher than the fourth through holes.
5. The heat exchanger according to claim 2, wherein the heat exchanger comprises screws, the screws are arranged on both sides of the first plate in the width direction, the outer ends of the first end plate and the second end plate extend out of the first plate and the second plate, and the outer ends of the first end plate and the second end plate are connected through the screws.
6. The heat exchanger of claim 5, wherein a plurality of the screws are respectively arranged on two sides of the first plate, and the outer ends of the first end plate and the second end plate are connected through the plurality of the screws.
7. The heat exchanger according to claim 3, wherein the upper end and the lower end of the first end plate are provided with positioning pins arranged along the first direction, the first plate and the second plate are provided with positioning holes matched with the positioning pins, the first plate and the second plate are fixedly connected with the first end plate and the second end plate through the positioning pins arranged in the positioning holes, and each positioning pin is arranged outside the third sealing ring.
8. A heat exchanger according to claim 7, wherein the first end plate is provided at each of its upper and lower ends with a plurality of said locating pins.
9. A heat exchanger according to claim 1, wherein the first sealing ring is circular.
10. A heat exchanger according to claim 1, wherein the first and second sealing rings are both rubber sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103998.8U CN216977623U (en) | 2022-01-16 | 2022-01-16 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103998.8U CN216977623U (en) | 2022-01-16 | 2022-01-16 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977623U true CN216977623U (en) | 2022-07-15 |
Family
ID=82350966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220103998.8U Active CN216977623U (en) | 2022-01-16 | 2022-01-16 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977623U (en) |
-
2022
- 2022-01-16 CN CN202220103998.8U patent/CN216977623U/en active Active
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