CN214120907U - Built-in cooler tube bank prevents backup pad bending structure - Google Patents
Built-in cooler tube bank prevents backup pad bending structure Download PDFInfo
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- CN214120907U CN214120907U CN202023320181.6U CN202023320181U CN214120907U CN 214120907 U CN214120907 U CN 214120907U CN 202023320181 U CN202023320181 U CN 202023320181U CN 214120907 U CN214120907 U CN 214120907U
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Abstract
The utility model discloses a built-in cooler tube bank prevents backup pad bending structure, this built-in cooler tube bank is including fixed tube sheet, the tube sheet floats, the side wall, a supporting plate, heat exchange tube and fin, fixed tube sheet and unsteady tube sheet are connected respectively to the side wall both ends, evenly distributed has the backup pad with fixed tube sheet or unsteady tube sheet parallel arrangement in the side wall between fixed tube sheet and the unsteady tube sheet, be connected through first fastener between side wall and the backup pad, it has the fin to distribute between the adjacent backup pad, and penetrate through the tube hole by fixed tube sheet, the heat exchange tube that extends to the tube hole of unsteady tube sheet is fixed. In the built-in cooler tube bundle device, the round holes for fixing the first fastening pieces are correspondingly provided with the water drop-shaped round holes at different angles according to the deformation in different directions, so that the deformation direction of the supporting plate is provided with a movable space for resisting deformation, and the deformation probability of the supporting plate is reduced.
Description
Technical Field
The utility model relates to a cooler tube bank technical field specifically is a backup pad bending structure is prevented to built-in cooler tube bank.
Background
The tube bundle of the cooler with the built-in plate fins is widely applied to the industries of petroleum, chemical engineering, natural gas and the like, and compared with a shell-and-tube heat exchanger, the tube bundle of the cooler has the advantages of small volume and light weight under the condition of the same heat exchange area, and is one of novel high-efficiency heat exchangers.
Compared with a common light pipe heat exchanger, the plate-fin tube bundle has more aluminum fins, which are core elements of the plate-fin tube bundle, the plate fins need to be tightly connected with the heat exchange tube to ensure effective heat transfer, and the common heat exchange tube and the aluminum fins are connected through horizontal expansion joint. The backup pad is linked with the fastener for the side wall, and at the in-process of level expanded joint, because the pearl diameter ratio of expanding is big than the heat exchange tube internal diameter, consequently the expander roll can give a very big power to the tube bank, and under this power of effect, the backup pad can produce great bending deformation.
In order to prevent the occurrence of large bending deformation, the thickness of the supporting plate is generally increased to increase the rigidity of the material to resist the deformation. However, from an economic perspective, increasing the thickness of the support plate increases the material cost of the device, resulting in waste of resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bent structure of backup pad is prevented to built-in cooler tube bank to the backup pad of proposing can produce the complete deformation and increase backup pad thickness for resisting bending deformation in solving above-mentioned background art, has increased material cost's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a built-in cooler tube bank prevents backup pad bending structure, this built-in cooler tube bank includes fixed tube sheet, unsteady tube sheet, side wall, backup pad, heat exchange tube and fin, fixed tube sheet and unsteady tube sheet are connected respectively to the side wall both ends, evenly distributed has the backup pad with fixed tube sheet or unsteady tube sheet parallel arrangement in the side wall between fixed tube sheet and the unsteady tube sheet, be connected through first fastener between side wall and the backup pad, the round hole that is used for fixed first fastener on the side wall is equipped with the slot hole left or right, and is adjacent it has the fin to distribute between the backup pad to penetrate through the tube hole by fixed tube sheet, and the heat exchange tube that extends to the tube hole of unsteady tube sheet is fixed.
Preferably, an expansion rod is filled in the heat exchange tube, and expansion beads are arranged at the front end of the expansion rod.
Preferably, the side wall comprises a wall plate, a connecting plate, a skirt edge, a rib plate and a pipe, the left end and the right end of the wall plate are connected with the fixed pipe plate and the floating pipe plate through the connecting plate, the rib plate and the wall plate are welded together and then are fixedly connected with the supporting plate through a first fastener, the rib plate and the wall plate are integrally provided with the pipe, and the skirt edge is arranged below the rib plate and the wall plate.
Preferably, the elongated hole on the left side for fixing the first fastening member is a drop-shaped circular hole sliding rightward.
Preferably, the slotted hole in the middle for fixing the first fastener is an elliptical round hole.
Preferably, the elongated hole on the right side for fixing the first fastening member is a drop-shaped circular hole sliding leftward.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) in the built-in cooler tube bundle device, the round holes for fixing the first fastening pieces are correspondingly provided with the water drop-shaped round holes at different angles according to the deformation in different directions, so that the deformation direction of the supporting plate is provided with a movable space for resisting deformation, and the deformation probability of the supporting plate is reduced.
Drawings
Fig. 1 is a front view of an anti-bending structure of a built-in cooler tube bundle of the present invention;
fig. 2 is a top view of an anti-bending structure of a tube bundle with a built-in cooler according to the present invention;
fig. 3 is a schematic structural view of a heat exchange tube with a built-in cooler tube bundle anti-bending support plate structure of the present invention;
fig. 4 is a perspective view of an expanding rod of a bending-proof structure of a built-in cooler tube bundle of the present invention;
FIG. 5 is a water-drop-shaped circular hole of the bending structure of the anti-backup plate of the built-in cooler tube bundle of the present invention, which is deformed rightwards;
FIG. 6 is an elliptical circular hole of the bending structure of the anti-bending support plate of the tube bundle with the built-in cooler of the present invention, which deforms to the left and right;
figure 7 is the utility model discloses a water droplet type round hole that backup pad bending structure is prevented to built-in cooler tube bank warp left
In the figure: 1. fixing the tube plate; 2. a floating tube sheet; 3. a support plate; 4. a heat exchange pipe; 5. a fin; 6. a wallboard; 7. a connecting plate; 8. a skirt edge; 9. a rib plate; 10. a tube; 11. a first fastener; 12. expanding rods; 13. a drop-shaped circular hole; 14. an elliptical circular hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a built-in cooler tube bundle anti-support plate bending structure comprises a fixed tube plate 1, a floating tube plate 2, side walls, support plates 3, heat exchange tubes 4 and fins 5, wherein the two ends of each side wall are respectively connected with the fixed tube plate 1 and the floating tube plate 2, the support plates 3 which are arranged in parallel with the fixed tube plate 1 or the floating tube plate 2 are uniformly distributed in the side wall between the fixed tube plate 1 and the floating tube plate 2, the side walls are connected with the support plates 3 through first fastening pieces 11, round holes for fixing the first fastening pieces 11 on the side walls are provided with elongated holes which are arranged leftwards or rightwards, the fins 5 are distributed between the adjacent support plates 3, the heat exchange tubes 4 which extend to the tube holes 13 of the floating tube plate 2 are penetrated through the tube holes 13 of the fixed tube plate 1 and are fixed, the support plates 3 are added in the side walls, and play a role of supporting for the heat exchange tubes 4 which are inserted in the fixed fins 5, avoiding its deformation.
Add in the heat exchange tube 4 and be filled up and have expander roll 12, the expander roll 12 front end is provided with expand pearl 15, because the diameter ratio heat exchange tube 4 of expander roll 12 is big, from this, expander roll 12 adds and is filled up in heat exchange tube 4, expands the cylinder tangent plane of heat exchange tube 4 for heat exchange tube 4 closely laminates with fin 5, and the existence of expand pearl 15 is used for choosing heat exchange tube 4, the adding of expander roll 12 of being convenient for.
The side wall includes wallboard 6, connecting plate 7, shirt rim 8, gusset 9 and pipe 10, and both ends pass through connecting plate 7 and are connected with fixed tube sheet 1 and unsteady tube sheet 2 about wallboard 6, and gusset 9 and 6 welding are whole again and are passed through first fastener 11 fixed connection with backup pad 3, and gusset 9 is provided with pipe 10 with wallboard 6 on the whole, is provided with shirt rim 8 under. Rib plate 9 and wallboard 6 weld into an organic whole, rethread first fastener 11 and backup pad fixed connection, and the intensity of wallboard 6 has been strengthened to the thickness of gusset 9, makes it be connected more reliably with backup pad 3.
The lengthened hole of the fixed first fastening piece 11 positioned on the left side is a water-drop-shaped round hole 13 sliding rightwards, the lengthened hole of the fixed first fastening piece 11 positioned in the middle part is an oval round hole 14, the lengthened hole of the fixed first fastening piece 11 positioned on the right side is a water-drop-shaped round hole 13 sliding leftwards, because the lengthened hole of the fixed first fastening piece is deformed according to different directions, the water-drop-shaped round holes 13 with different angles are correspondingly arranged, when the lengthened hole of the fixed first fastening piece 11 is positioned at the end of the fixed tube plate 1, the deformation direction of the water-drop-shaped round hole 13 faces the floating tube plate 2; when the lengthened hole for fixing the first fastening piece 11 is positioned at the end of the floating tube plate 2, the deformation direction of the water-drop-shaped round hole 13 is opposite to that of the fixed tube plate 1; when the lengthened hole of the fixed first fastener 11 is positioned in the middle, the round hole is oval 14, so that the support plate 3 can move left and right along the oval round hole, a movable space for resisting deformation is provided for the deformation direction of the support plate, and the deformation probability of the support plate is reduced.
At the in-process of the expanded joint of backup pad 3 of this built-in cooler tube bank backup pad bending prevention structure, because expander 12 has given the very big power of tube bank, make backup pad 3 that is close to fixed tube sheet 1 side to the bending of floating tube sheet 2 side, and backup pad 3 that is close to floating tube sheet 2 side is to the bending of fixed tube sheet 1 side, in order to avoid or reduce the bending of backup pad 3, we warp the law after according to the backup pad expanded joint, the side wall structure has been improved, change first fastener 11 round hole into the water droplet shape round hole 13 or the oval round hole 14 of corresponding shape, greatly reduced the degree that backup pad 3 expanded joint warp.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A built-in cooler tube bundle anti-support plate bending structure is characterized in that: the built-in cooler tube bundle comprises a fixed tube plate (1), a floating tube plate (2), side walls, a supporting plate (3), heat exchange tubes (4) and fins (5), the two ends of the side wall are respectively connected with a fixed tube plate (1) and a floating tube plate (2), supporting plates (3) which are arranged in parallel with the fixed tube plate (1) or the floating tube plate (2) are uniformly distributed in the side wall between the fixed tube plate (1) and the floating tube plate (2), the side walls are connected with the support plate (3) through first fasteners (11), round holes used for fixing the first fasteners (11) on the side walls are provided with elongated holes which are arranged leftwards or rightwards, fins (5) are distributed between the adjacent supporting plates (3), and the heat exchange tubes (4) penetrate through the tube holes (13) of the fixed tube plate (1) and extend to the tube holes (13) of the floating tube plate (2) for fixing.
2. The internal cooler tube bundle support plate bending prevention structure according to claim 1, wherein: an expansion rod (12) is additionally plugged in the heat exchange tube (4), and an expansion bead (15) is arranged at the front end of the expansion rod (12).
3. The internal cooler tube bundle support plate bending prevention structure according to claim 2, wherein: the side wall comprises a wall plate (6), a connecting plate (7), a skirt edge (8), a rib plate (9) and a pipe (10), the left end and the right end of the wall plate (6) are connected with a fixed pipe plate (1) and a floating pipe plate (2) through the connecting plate (7), the rib plate (9) and the wall plate (6) are welded to be integrated with a supporting plate (3) through a first fastener (11) in a fixed mode, the pipe (10) is integrally arranged on the rib plate (9) and the wall plate (6), and the skirt edge (8) is arranged below the rib plate (9).
4. The internal cooler tube bundle support plate bending prevention structure according to claim 1, wherein: the lengthened hole positioned on the left side and used for fixing the first fastener (11) is a water-drop-shaped round hole which slides rightwards.
5. The internal cooler tube bundle support plate bending prevention structure according to claim 2, wherein: the lengthened hole positioned in the middle for fixing the first fastener (11) is an oval round hole.
6. The internal cooler tube bundle support plate bending prevention structure according to claim 2, wherein: the lengthened hole positioned on the right side and used for fixing the first fastener (11) is a water-drop-shaped round hole sliding leftwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320181.6U CN214120907U (en) | 2020-12-31 | 2020-12-31 | Built-in cooler tube bank prevents backup pad bending structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023320181.6U CN214120907U (en) | 2020-12-31 | 2020-12-31 | Built-in cooler tube bank prevents backup pad bending structure |
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| CN214120907U true CN214120907U (en) | 2021-09-03 |
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| CN202023320181.6U Active CN214120907U (en) | 2020-12-31 | 2020-12-31 | Built-in cooler tube bank prevents backup pad bending structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215563A (en) * | 2021-11-26 | 2022-03-22 | 天地科技股份有限公司 | Pier column sliding and tightening method and device and pier column assembly |
-
2020
- 2020-12-31 CN CN202023320181.6U patent/CN214120907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215563A (en) * | 2021-11-26 | 2022-03-22 | 天地科技股份有限公司 | Pier column sliding and tightening method and device and pier column assembly |
| CN114215563B (en) * | 2021-11-26 | 2023-12-22 | 天地科技股份有限公司 | Pier column sliding tightening method and device and pier column assembly |
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