CN221037017U - Heat exchanger tube plate - Google Patents
Heat exchanger tube plate Download PDFInfo
- Publication number
- CN221037017U CN221037017U CN202321917782.6U CN202321917782U CN221037017U CN 221037017 U CN221037017 U CN 221037017U CN 202321917782 U CN202321917782 U CN 202321917782U CN 221037017 U CN221037017 U CN 221037017U
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- Prior art keywords
- groove
- heat exchanger
- area
- tube sheet
- tube
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 13
- 238000009827 uniform distribution Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchanger tube plate, which belongs to the technical field of heat exchangers and comprises the following components: the groove area is arranged on the end face of the tube plate body and comprises a central groove and a plurality of annular grooves arranged outside the central groove, and the annular grooves are communicated with the central groove through communication grooves; the central groove is arranged corresponding to a tube side inlet of the heat exchanger, and the annular grooves are sequentially arranged on the periphery of the central groove from inside to outside; the pipe hole area is a raised area outside the groove area on the end face of the pipe plate body, and pipe holes are formed in the pipe hole area; the utility model can realize the uniform distribution of the small-flow liquid into each heat exchange tube and realize the uniform heat exchange of all the heat exchange tubes.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger tube plate.
Background
The heat exchanger plays an important role in industries such as chemical industry, petroleum, electric power and the like, can be used for a heater, a cooler, a condenser, an evaporator, a reboiler and the like, can transfer heat of high-temperature fluid to low-temperature fluid, enables the temperature of the fluid to meet the requirements of process regulation, and is one of very important equipment in the chemical production process.
The tube plate of the traditional heat exchanger is of a planar structure, when vertically installed small-flow liquid enters the heat exchanger from the inlet of the tube side upper end socket, the liquid can enter the heat exchange tubes opposite to the inlet area of the tube side, and the function of uniformly distributing the liquid into each heat exchange tube is not achieved, so that the uniform heat exchange effect is affected.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of utility model
The utility model aims to solve the technical problems by providing the heat exchanger tube plate, which can realize that small-flow liquid is uniformly distributed in each heat exchange tube and realize uniform heat exchange of all the heat exchange tubes.
In order to solve the technical problems, the utility model adopts the following technical scheme: a heat exchanger tube sheet comprising:
The groove area is arranged on the end face of the tube plate body and comprises a central groove and a plurality of annular grooves arranged outside the central groove, and the annular grooves are communicated with the central groove through communication grooves; the central groove is arranged corresponding to a tube side inlet of the heat exchanger, and the annular grooves are sequentially arranged on the periphery of the central groove from inside to outside;
The pipe hole area is a protruding area outside the groove area on the end face of the pipe plate body, and pipe holes are formed in the pipe hole area.
Further, the pipe hole area is divided into a plurality of rings of convex rings by the central groove and the annular groove, and a plurality of pipe holes are uniformly distributed on each ring of convex rings.
Further, the outermost convex ring is a whole ring, and the other convex rings consist of a plurality of arc sections; at least one pipe hole is arranged on each arc section;
Or each ring of convex ring is composed of a plurality of arc sections, and each arc section is provided with at least one pipe hole.
Further, the communication grooves are formed between two adjacent arc sections on the same convex ring, and the communication grooves on two adjacent convex rings are oppositely arranged or staggered.
Further, the diameters of the pipe holes on the convex rings of all rings are the same;
or the diameters of the pipe holes on the convex rings of each circle are sequentially increased from the inner ring to the outer ring.
Further, the tube plate body is circular, the central groove is arranged in the central area of the tube plate body, and the annular groove is formed between two adjacent rings of convex rings;
The shape of the central groove is one of a circle, a rectangle, a triangle, a polygon or an irregular shape; the area of the central groove is more than or equal to the medium flow area of the tube side inlet of the heat exchanger.
Further, the communication groove extends along the radial direction of the annular groove;
or the extending direction of the communication groove and the radial direction of the annular groove form an included angle.
Further, the annular groove is an annular groove;
Or the annular groove is a spiral annular groove.
Further, the pipe holes on two adjacent rings of convex rings are staggered and crossed or oppositely arranged.
Further, the device also comprises a shielding piece, wherein the shielding piece is used for shielding the pipe hole.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
1. According to the utility model, through the groove area and the tube plate structure of the tube hole area protruding from the groove area, liquid is prevented from entering the heat exchange tubes in the central area of the tube plate, and is uniformly distributed into each heat exchange tube in an overflow mode, so that the uniform distribution of the liquid is realized, the uniform heat exchange of each heat exchange tube is ensured, the heat exchange efficiency is improved, and the operation cost is reduced.
2. When liquid contacts the tube plate, the groove area of the tube plate is impacted, and the groove area is an area without holes, so that the erosion of the liquid to the welded part of the tube plate and the heat exchange tube is reduced, the problem that the welded part of the tube plate is eroded and cracked is avoided, and the service life of the heat exchanger is prolonged.
3. The groove structures with different shapes are designed on the tube plate, so that the influence of thermal stress generated by high-temperature fluid on the tube plate is eliminated, and the stability and strength of the tube plate are enhanced.
4. The thickness of the tube plate is increased, the thickness of the tube hole area is consistent with that of the tube plate, and the strength of the tube plate is enhanced.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of the structure of example 1 (the communicating grooves are arranged in a staggered manner);
FIG. 2 is another schematic structure of embodiment 1 (the communicating grooves are disposed opposite to each other);
Fig. 3 is a schematic structural view of embodiment 3.
In the drawing the view of the figure,
1-Tube plate body, 2-central groove, 3-communicating groove, 4-annular groove and 5-tube hole.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2 together, the embodiment provides a heat exchanger tube plate, which comprises a tube plate body 1, wherein a tube hole area and a groove area are arranged on the end surface of the tube plate body 1, and the tube hole area is a raised area outside the groove area on the tube plate body 1; the pipe hole area is divided into a plurality of rings of convex rings by the groove area; a plurality of pipe holes 5 are uniformly distributed on each circle of convex ring, and each pipe hole 5 corresponds to one heat exchange pipe; the pipe holes 5 on two adjacent rings of convex rings are staggered and crossed or oppositely arranged.
The groove area comprises a central groove 2, annular grooves 4 and a communication groove 3, wherein the central groove 2 is arranged in the central area of the tube plate body 1, the annular grooves 4 are formed between adjacent convex rings, the annular grooves 4 are circumferentially arranged on the periphery of the central groove 2, the annular grooves 4 are multiple, and the multiple annular grooves 4 are sequentially arranged from inside to outside; the annular grooves 4 of the inner ring are communicated with the central groove 2 and the adjacent annular grooves 4 through the communicating grooves 3.
The tube plate body 1 is circular, the diameter of the tube plate body 1 can be matched according to design requirements, and the thickness of the tube plate body 1 can be thickened according to requirements so as to ensure that the strength of the tube plate meets the requirements.
The shape of the central groove 2 is one of a circle, a rectangle, a triangle, a polygon or an irregular shape, preferably a circle; the area of the central groove 2 is larger than or equal to the medium flow area of the tube side inlet of the heat exchanger, so that the fluid cannot directly enter the heat exchange tube without passing through the groove area.
The annular groove 4 is an annular groove; or the annular groove 4 is a spiral annular groove.
The communication groove 3 extends along the radial direction of the annular groove 4; or the extending direction of the communication groove 3 forms a certain included angle with the radial direction of the annular groove 4.
In this embodiment, the outermost convex ring is a whole ring, each of the other convex rings is composed of a plurality of arc segments, and the communication groove 3 is formed between two adjacent arc segments; at least one pipe hole 5 is arranged on each arc section, namely at least one pipe hole 5 forms an arc section.
The communicating grooves 3 on two adjacent rings of convex rings are oppositely arranged or staggered.
Further, in this embodiment, the inner diameter of the tube side inlet connection tube of the heat exchanger is phi 32mm, the flow area of the tube side inlet is 803.84mm 2, the tube side medium is water, the flow rate is 300kg/h, the flow rate of the connection tube is 0.106m/s, the diameter of the tube plate is 300mm, and the total thickness is 25mm.
The diameter of the central groove 2 is 36mm, the depth is 5m, the area of the central groove 2 is larger than the flow area of the tube side inlet, and the volume of the central groove 2 is 5086.8mm 3. The convex ring is provided with three circles, namely an inner circle convex ring, a middle circle convex ring and an outer circle convex ring, and the number of pipe holes 5 arranged on the inner circle convex ring, the middle circle convex ring and the outer circle convex ring is 4, 6 and 6 respectively.
Two annular grooves 4 are arranged between the three rings of convex rings, the width of each annular groove 4 is 10mm, and the depth is 5mm; two communicating grooves 3 are respectively arranged between the adjacent annular grooves 4 and between the inner ring annular groove 4 and the central groove 2, and the width of each communicating groove 3 is 10mm, and the depth is 5mm.
The diameters of the pipe holes 5 on the convex rings of each circle are the same and are all 6mm.
Example 2
The present embodiment provides a heat exchanger tube sheet, and the difference between the present embodiment and embodiment 1 is that: the diameters of the pipe holes 5 on the convex rings are different, and the diameters of the pipe holes 5 on the convex rings are sequentially increased from the inner ring to the outer ring, so that the heat exchange pipe close to the central groove 2 can be prevented from entering more media.
Preferably, the diameter of the pipe hole 5 on the convex ring of the inner ring is 6mm, so that the flow of the heat exchange pipe at the convex ring of the inner ring can be limited, and the diameter of the pipe hole 5 on the convex ring of the middle ring is 8mm, so that the flow can be balanced; the diameter of the pipe hole 5 on the outer ring convex ring is 10mm, so that the medium can be uniformly dispersed into the heat exchange pipe at the outer ring convex ring.
Example 3
As shown in fig. 3, this embodiment provides a heat exchanger tube sheet, and differs from embodiment 1 in that: each ring of convex rings consists of a plurality of arc sections, and each arc section is provided with at least one pipe hole 5, namely at least one pipe hole 5 forms an arc section.
Example 4
The present embodiment provides a heat exchanger tube sheet, which is a technical solution formed on the basis of any one of embodiments 1 to 3, and the difference between the present embodiment and embodiments 1 to 3 is that: the heat exchanger tube sheet also comprises a shielding piece, wherein the shielding piece is used for shielding the tube holes 5, so that medium can be prevented from entering the tube holes 5 before overflowing, and the medium is further uniformly distributed.
It should be noted that the shielding member is in the prior art, and will not be described here.
The principle of the utility model is as follows:
When the heat exchange tube is used, a medium enters the central groove of the tube plate through the tube side inlet, the liquid gradually fills the whole groove area through the diversion of the communication groove and the annular groove, and then the liquid overflowing the groove area is uniformly distributed into each heat exchange tube.
According to the utility model, the groove area and the pipe hole area protruding from the groove area are arranged on the pipe plate, so that liquid is prevented from entering the heat exchange pipes in the central area of the pipe plate, and is uniformly distributed into each heat exchange pipe in an overflow mode, so that the uniform distribution of the liquid is realized, each heat exchange pipe can realize uniform heat exchange, the heat exchange efficiency is improved, and the operation cost is reduced.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. A heat exchanger tube sheet comprising:
The groove area is arranged on the end face of the tube plate body (1) and comprises a central groove (2) and a plurality of annular grooves (4) arranged outside the central groove (2), and the annular grooves (4) are communicated with the central groove (2) through communication grooves (3); the central groove (2) is arranged corresponding to a tube side inlet of the heat exchanger, and the annular grooves (4) are sequentially arranged at the periphery of the central groove (2) from inside to outside;
The pipe hole area is a protruding area outside the groove area on the end face of the pipe plate body (1), and pipe holes (5) are formed in the pipe hole area.
2. A heat exchanger tube sheet according to claim 1, wherein the tube hole area is divided into a plurality of rings of convex rings by a central groove (2) and an annular groove (4), and a plurality of tube holes (5) are uniformly distributed on each ring of convex rings.
3. A heat exchanger tube sheet as claimed in claim 2 wherein the outermost collar is a full collar and the remaining collars are formed of a plurality of arcuate segments; each arc section is provided with at least one pipe hole (5);
Or each circle of convex ring is composed of a plurality of arc sections, and each arc section is provided with at least one pipe hole (5).
4. A heat exchanger tube sheet according to claim 3, wherein the communication grooves (3) are formed between two adjacent arc sections on the same convex ring, and the communication grooves (3) on two adjacent convex rings are oppositely arranged or staggered.
5. A heat exchanger tube sheet according to claim 2, wherein the tube holes (5) in each ring of collars are of the same diameter;
or the diameters of the pipe holes (5) on the convex rings of each circle are sequentially increased from the inner ring to the outer ring.
6. A heat exchanger tube sheet according to claim 2, wherein the tube sheet body (1) is circular, the central groove (2) is arranged in a central area of the tube sheet body (1), and the annular groove (4) is formed between two adjacent rings of convex rings;
The shape of the central groove (2) is one of a circle, a rectangle, a triangle and a polygon; the area of the central groove (2) is more than or equal to the medium flow area of the tube side inlet of the heat exchanger.
7. A heat exchanger tube sheet according to claim 1, wherein the communication groove (3) extends radially along the annular groove (4);
or the extending direction of the communication groove (3) and the radial direction of the annular groove (4) form an included angle.
8. A heat exchanger tube sheet according to claim 1, wherein the annular groove (4) is an annular groove;
or the annular groove (4) is a spiral annular groove.
9. A heat exchanger tube sheet according to claim 2, wherein the tube holes (5) in adjacent rings are arranged in staggered and crossed relation or in opposition.
10. A heat exchanger tube sheet according to any one of claims 1-9, further comprising a shielding member for shielding the tube holes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917782.6U CN221037017U (en) | 2023-07-20 | 2023-07-20 | Heat exchanger tube plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917782.6U CN221037017U (en) | 2023-07-20 | 2023-07-20 | Heat exchanger tube plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037017U true CN221037017U (en) | 2024-05-28 |
Family
ID=91135610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321917782.6U Active CN221037017U (en) | 2023-07-20 | 2023-07-20 | Heat exchanger tube plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037017U (en) |
-
2023
- 2023-07-20 CN CN202321917782.6U patent/CN221037017U/en active Active
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| GR01 | Patent grant |