CN211601696U - Gas vortex-eliminating plate for winding tube type heat exchanger - Google Patents
Gas vortex-eliminating plate for winding tube type heat exchanger Download PDFInfo
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- CN211601696U CN211601696U CN201922486261.XU CN201922486261U CN211601696U CN 211601696 U CN211601696 U CN 211601696U CN 201922486261 U CN201922486261 U CN 201922486261U CN 211601696 U CN211601696 U CN 211601696U
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Abstract
The utility model relates to a gaseous vortex board that disappears for winding tubular heat exchanger, including platelike body (1), set up a plurality of interval distribution's the vortex hole (11) that disappears on this platelike body (1), its characterized in that: the upper surface of the plate-shaped body (1) is convexly provided with a separator (2) so as to divide the upper surface of the plate-shaped body (1) into a plurality of areas, and the vortex-eliminating holes (11) are positioned in the respective corresponding areas. Compared with the prior art, the gas vortex elimination plate has vortex elimination performance and can maintain low pressure loss.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, concretely relates to gaseous vortex board that disappears for twining tubular heat exchanger.
Background
In the winding tube type heat exchanger, when a gas medium on the tube shell pass flows through a special structure (such as a diffusion section), gas flow can be separated from a boundary, unsteady state vortex motion is generated in a separation area along with the separation area, and the unsteady state vortex motion is intensified along with mutual mixing of fluid particles, so that vibration and noise of the heat exchanger structure can be caused, and the stability and the reliability of equipment operation are influenced.
In order to reduce noise and vibration, a gas vortex-eliminating plate is usually arranged in the lower end area of a special structure, and most of the existing gas vortex-eliminating plates are vortex-eliminating plates with through holes or vortex-eliminating structures made of grids, such as the vortex-eliminating structures disclosed in the invention patent of ZL201210324727.6, parallel flow heat exchanger and air conditioner (No. CN102853586B), and the invention patent of ZL200910093762.X, grid structure for controlling the vortex-induced vibration of the main beam of the split steel box girder bridge (No. CN 102031749B).
In some high-efficiency winding tube type heat exchangers, pressure drop control is severe, pressure loss of a distribution plate is required to be controlled in the order of hectopascal, and the existing vortex-eliminating plate cannot meet the production requirements of eliminating vortex and keeping low pressure loss, so that a gas vortex-eliminating plate for the high-efficiency winding tube type heat exchanger needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to prior art's current situation, provide a gaseous vortex board that disappears that is used for twining tubular heat exchanger that can also maintain low pressure loss when having the vortex performance that disappears.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a gaseous vortex board that disappears for twining tubular heat exchanger, includes platelike body, sets up the vortex hole that disappears of a plurality of interval distribution on this platelike body, its characterized in that: the upper surface of the plate-shaped body is convexly provided with a separator to divide the upper surface of the plate-shaped body into a plurality of areas, and the vortex-eliminating holes are positioned in the respective corresponding areas.
Preferably, the partition members are grid plates that partition the upper surface of the plate-shaped body into a plurality of rectangular areas.
Also preferably, the separating element is a short tube with hollow inside, the number of the short tubes is matched with that of the vortex breaking holes, and the short tubes are arranged on the corresponding vortex breaking holes and communicated with the vortex breaking holes.
In the scheme, the vortex elimination holes are uniformly distributed on the plate-shaped body, and the aperture ratio of the vortex elimination holes on the plate-shaped body is not lower than 0.4. To further ensure that the vortex elimination plate can maintain low pressure loss.
In order to improve the strength, the lower surface of the plate-shaped body is provided with a reinforcing rib.
In each of the above solutions, since there are many vortices in the areas such as the shell pass inlet and outlet, the tube pass inlet and outlet, and the like of the wound tube heat exchanger, in order to stably mount the vortex-eliminating plate of the present application on these areas, preferably, the cross section of the plate-shaped body is circular, and a through hole for the inner support tube in the wound tube heat exchanger to pass through is formed in the middle of the plate-shaped body. The inner support cylinder is used for further supporting the vortex-eliminating plate, so that the plate-shaped body is matched with the inner structure of the winding tube type heat exchanger, and the through hole in the middle part can be used for the inner support cylinder to pass through, and meanwhile, the vortex-eliminating plate can be supported and fixed on the inner support cylinder by the through hole, so that the structural stability in the using process is improved. Certainly, the vortex elimination plate in the application is not limited to be installed in the area, and a user can install the vortex elimination plate in the area with more vortexes according to the requirement to achieve the vortex elimination effect.
Further, the plate-shaped body is a single piece or an assembly formed by splicing at least two unit plates along the circumferential direction.
When the plate-shaped body is an assembly, the cross section of each unit plate is in a fan shape and is symmetrically distributed by taking the central position of the plate-shaped body as the center. So, be convenient for the processing of cell board, and make the structure more regular.
In order to improve the connection strength between each unit plate, the steel plate structure further comprises section steel, the number of the section steel is matched with that of the unit plates, and two adjacent unit plates are connected through the section steel. The shaped steel plays the connection effect, simultaneously, can also play the effect of strengthening rib, improves the stability of structure.
Compared with the prior art, the utility model has the advantages of: the partition piece divides the upper surface of the plate-shaped body into a plurality of areas, and the fluid can effectively eliminate vortexes after passing through the partition piece and the vortex-eliminating holes, so that the effects of noise reduction and vibration reduction are achieved; and the vortex elimination hole can simultaneously maintain the capacity of low pressure loss, and can meet the requirement of the high-efficiency winding pipe type heat exchanger.
Drawings
FIG. 1 is a diagram illustrating an exemplary embodiment of the present invention;
FIG. 2 is a schematic structural view of a gas vortex elimination plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cell plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the embodiment of the present invention in which the section steel is mounted on the inner support cylinder;
FIG. 5 is a schematic structural view of a grid plate according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the short pipe installed on the plate-shaped body according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, in order to provide a preferred embodiment of the gas vortex-eliminating plate for a winding pipe type heat exchanger of the present invention, the gas vortex-eliminating plate comprises a plate-shaped body 1 and a separator 2.
The section of the plate-shaped body 1 is circular, and the middle part of the plate-shaped body is provided with a through hole 10 for an inner support cylinder 9 in the winding tube type heat exchanger to pass through. The plate-shaped body 1 is provided with a plurality of vortex elimination holes 11 which are distributed at intervals, the vortex elimination holes 11 are uniformly distributed on the plate-shaped body 1, and the aperture ratio of the vortex elimination holes 11 on the plate-shaped body 1 is not lower than 0.4. The plate-like body 1 can be a single piece or an assembly formed by splicing at least two unit plates along the circumferential direction. In this embodiment, as shown in fig. 2 and 3, the plate-shaped body 1 is formed by splicing 16 unit plates 1a having fan-shaped cross sections and provided with the eddy-eliminating holes 11, and the unit plates 1a are symmetrically distributed with the central position of the plate-shaped body 1 as the center. In order to ensure the connection strength between the unit plates 1a, the steel plate structure also comprises section steels 4, the number of the section steels 4 is matched with that of the unit plates 1a, and two adjacent unit plates 1a are connected through the section steels 4; this shaped steel 4 still can play the effect of strengthening rib simultaneously to improve structural stability. Please refer to fig. 4. Of course, if the plate-shaped body 1 is an integral piece, the plate-shaped body 1 can be directly provided with the vortex-eliminating holes 11 without arranging parts such as section steel and the like; in order to improve the strength of the plate-like body 1, a rib may be provided on the lower surface of the plate-like body 1.
The above-mentioned partition 2 is set up in the upper surface of the body 1 of slabby in order to separate the upper surface of the body 1 of slabby into several areas, the above-mentioned eddy hole 11 locates in each correspondent area. As shown in fig. 2 and 5, the partition 2 may be a grating plate 2a, and the grating plate 2a divides the upper surface of the plate-like body 1 into several rectangular areas. Of course, the separating element 2 can also be short pipes 2b with hollow interior, as shown in fig. 6, the number of the short pipes 2b is matched with the number of the eddy eliminating holes 11, and the short pipes are arranged on the corresponding eddy eliminating holes 11 and communicated with the eddy eliminating holes 11.
As shown in fig. 1, when in use, the gas vortex-eliminating plate of the present embodiment can be sleeved on the inner support cylinder 9 of the wound tube heat exchanger, the inner end of the profile steel 4 on the gas vortex-eliminating plate is fixedly connected to the inner support cylinder 9, and the outer annular wall of the gas vortex-eliminating plate is welded on the inner wall of the heat exchanger, so that the installation of the gas vortex-eliminating plate can be realized. When in use, the fluid can achieve effective vortex elimination through the dual functions of the grating plate 2a (or the short pipe 2b) and the vortex elimination hole 11; and the opening rate of the vortex elimination holes 11 is not less than 0.4, so that the pressure loss can be ensured to be in a lower range.
Claims (9)
1. The utility model provides a gaseous vortex board that disappears for twining tubular heat exchanger, includes platelike body (1), has seted up a plurality of interval distribution on this platelike body (1) and has disappeared vortex hole (11), its characterized in that: the upper surface of the plate-shaped body (1) is convexly provided with a separator (2) so as to divide the upper surface of the plate-shaped body (1) into a plurality of areas, and the vortex-eliminating holes (11) are positioned in the respective corresponding areas.
2. The gas vortex plate of claim 1, wherein: the partition pieces (2) are grating plates (2a), and the grating plates (2a) divide the upper surface of the plate-shaped body (1) into a plurality of rectangular areas.
3. The gas vortex plate of claim 1, wherein: the separator (2) is a short pipe (2b) with a hollow inner part, the number of the short pipes (2b) is matched with that of the eddy eliminating holes (11), and the short pipes are arranged on the corresponding eddy eliminating holes (11) and communicated with the eddy eliminating holes (11).
4. The gas vortex plate of claim 1, wherein: the eddy eliminating holes (11) are uniformly distributed on the plate-shaped body (1), and the aperture ratio of the eddy eliminating holes (11) on the plate-shaped body (1) is not lower than 0.4.
5. The gas vortex plate of claim 1, wherein: the lower surface of the plate-shaped body (1) is provided with a reinforcing rib.
6. The gas vortex plate according to any one of claims 1 to 5, wherein: the section of the plate-shaped body (1) is circular, and a through hole (10) for an inner support cylinder (9) in the winding tube type heat exchanger to pass through is formed in the middle of the plate-shaped body.
7. The gas vortex plate of claim 6, wherein: the plate-shaped body (1) is an integral piece or an assembly formed by splicing at least two unit plates (1a) along the circumferential direction.
8. The gas vortex plate of claim 7, wherein: the cross section of each unit plate (1a) is in a fan shape and is symmetrically distributed by taking the central position of the plate-shaped body (1) as the center.
9. The gas vortex plate of claim 8, wherein: the combined type steel plate is characterized by further comprising section steel (4), the number of the section steel (4) is matched with that of the unit plates (1a), and every two adjacent unit plates (1a) are connected through the section steel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486261.XU CN211601696U (en) | 2019-12-30 | 2019-12-30 | Gas vortex-eliminating plate for winding tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486261.XU CN211601696U (en) | 2019-12-30 | 2019-12-30 | Gas vortex-eliminating plate for winding tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601696U true CN211601696U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922486261.XU Active CN211601696U (en) | 2019-12-30 | 2019-12-30 | Gas vortex-eliminating plate for winding tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211601696U (en) |
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2019
- 2019-12-30 CN CN201922486261.XU patent/CN211601696U/en active Active
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Address after: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee after: Zhenhai Petrochemical Construction and Installation Engineering Co.,Ltd. Address before: 315207 Jiaochuan Street Refining Road, Zhenhai District, Ningbo City, Zhejiang Province Patentee before: ZHENHAI PETROCHEMICAL JIANAN ENGINEERING Co.,Ltd. |