CN210833206U - Intermediate pipe plate assembly for preventing vibration of heat exchanger - Google Patents
Intermediate pipe plate assembly for preventing vibration of heat exchanger Download PDFInfo
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- CN210833206U CN210833206U CN201921002869.4U CN201921002869U CN210833206U CN 210833206 U CN210833206 U CN 210833206U CN 201921002869 U CN201921002869 U CN 201921002869U CN 210833206 U CN210833206 U CN 210833206U
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- heat exchange
- tube
- heat exchanger
- exchange tube
- tube sheet
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Abstract
The utility model discloses a prevent intermediate tube plate subassembly of heat exchanger vibration, including the middle tube sheet of at least a set of setting up along heat exchange tube length direction interval, middle tube sheet sets up on the heat exchanger support, it has seted up shockproof perforation to correspond the heat exchange tube on the middle tube sheet and link up, shockproof perforation inner circle is provided with damping elastomer, just damping elastomer sets up with the body laminating of heat exchange tube. Through increasing middle tube sheet between a plurality of heat exchange tubes, strengthen supporting to unsettled heat exchange tube, and carry out elastic support and shock attenuation through the shock attenuation elastomer to the heat exchange tube, can avoid the heat exchange tube to make vibrations phenomenon at work effectively.
Description
Technical Field
The utility model belongs to the heat exchanger field, in particular to prevent intermediate tube plate subassembly of heat exchanger vibration.
Background
The steam heat exchanger comprises a plurality of heat exchange tubes with fins, wherein two ends of each heat exchange tube are supported on a return tube box in a heat exchange support, the middle part of each tube body is in a suspended state, when heat exchange airflow passes through the plurality of heat exchange tubes, the fins and the heat exchange tubes form wind resistance, the heat exchange tubes are subjected to trembling due to the airflow, the heat exchange tubes are easily damaged due to fatigue after being used for a long time, and working noise generated during working is large.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a prevent intermediate pipe plate subassembly of heat exchanger vibration can prevent that heat exchange ring during operation from shaking.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a prevent middle tube sheet subassembly of heat exchanger vibration, includes the middle tube sheet that a set of at least edge heat exchange tube length direction interval set up, middle tube sheet sets up on the heat exchanger support, correspond the heat exchange tube and link up and seted up shockproof perforation on the middle tube sheet, shockproof perforation inner circle is provided with shock attenuation elastomer, just shock attenuation elastomer sets up with the body laminating of heat exchange tube.
Furthermore, the outer edge of the orifice of the shockproof through hole extends towards two sides along the axis direction, the extending part forms an annular clamping ring, and the clamping ring clamps the pipe body of the heat exchange pipe.
Furthermore, the heat exchange tube is a finned heat exchange tube, and the clamping ring is positioned between two adjacent fins in the axial direction of the heat exchange tube; the outer diameter of the root part of the clamping ring, which is close to the middle tube plate, is larger than the outer diameter of the orifice at the free end of the clamping ring; the clamping ring guides the heat exchange gas flow to the two sides of the middle tube plate.
Furthermore, the middle tube plate is formed by splicing a plurality of rectangular splicing plates, the edges of the splicing plates in the length direction are splicing edges, a plurality of semicircular clamping half grooves are formed in the splicing edges in a penetrating manner in the direction perpendicular to the splicing plates, and the plurality of clamping half grooves in the splicing plates are arranged at intervals in the length direction of the splicing edges; the clamping half grooves on the two adjacent split plates are arranged in a one-to-one correspondence manner, and shockproof through holes are formed.
Furthermore, fixed locking structures are respectively arranged at two ends of the middle tube plate in the length direction and are respectively connected with and fix a plurality of split plates.
Further, fixed lock attaches the structure and contains fixed plate and lock annex, a plurality of amalgamation limits of fixed plate perpendicular to set up, the fixed plate is rectangular shape platelike structure, just a plurality of fixed orificess have been seted up along length direction interval on the fixed plate, each the amalgamation board corresponds the fixed orifices and has seted up the lock and attach the hole, and is a plurality of the amalgamation board carries out the amalgamation through fixed plate and lock annex and fixes.
Has the advantages that: the utility model discloses an increase middle tube sheet between a plurality of heat exchange tubes, strengthen supporting to unsettled heat exchange tube, and carry out elastic support and shock attenuation to the heat exchange tube through damping elastomer, can avoid the heat exchange tube to make vibrations phenomenon at work effectively.
Drawings
FIG. 1 is a schematic diagram of a prior art steam heat exchanger;
FIG. 2 is a schematic structural view of the middle tube plate of the present invention;
FIG. 3 is a schematic view of a middle tube plate A-A of the present invention in a half-section;
FIG. 4 is a schematic view of a middle tube plate B-B in a half-section view;
fig. 5 is a schematic structural diagram of the heat exchange tube of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the accompanying drawings 1 to 5, the intermediate tube plate assembly for preventing the heat exchanger from vibrating comprises at least one group of intermediate tube plates 3 arranged at intervals along the length direction of a heat exchange tube 2, wherein the intermediate tube plates 3 are welded on a heat exchanger bracket 1, shockproof through holes 4 are formed in the intermediate tube plates 3 corresponding to the heat exchange tube 2 in a penetrating manner, shock-absorbing elastic bodies 5 are arranged on inner rings of the shockproof through holes 4, the shock-absorbing elastic bodies 5 are resin or rubber elastic pads and the like, and the shock-absorbing elastic bodies 5 are attached to the tube body of the heat exchange tube 2. Through increasing middle tube sheet between a plurality of heat exchange tubes, strengthen supporting to unsettled heat exchange tube, and carry out elastic support and shock attenuation through the shock attenuation elastomer to the heat exchange tube, can avoid the heat exchange tube to make vibrations phenomenon at work effectively.
As shown in fig. 4, the outer edge of the orifice of the shockproof through hole 4 extends towards two sides along the axial direction, and the extending part forms an annular clamping ring 6, and the clamping ring 6 clamps the tube body of the heat exchange tube 2. The heat exchange tube body is clamped by the lengthened clamping ring 6, the contact area between the tube body and the middle tube plate 3 is increased, the supporting strength is further increased, meanwhile, the phenomenon that the middle tube plate 3 concentrates the stress of the heat exchange tube body is avoided, the thickness of the middle tube plate 3 can be reduced, and the sectional area of a heat exchange channel is ensured.
The heat exchange tube 2 is a finned heat exchange tube, and as shown in fig. 5, the clamping ring 6 is positioned between two adjacent fins in the axial direction of the heat exchange tube; the outer diameter of the root part of the clamping ring 6, which is close to the middle tube plate 3, is larger than the outer diameter of the orifice of the free end of the clamping ring 6, that is, the ring wall of the clamping ring 6 is of a conical structure, the clamping ring 6 guides heat exchange airflow to flow towards the two sides of the middle tube plate 3, so that the direct action of the heat exchange airflow on the shockproof through hole 4 is reduced, for example, when the heat exchange airflow is hot airflow, the phenomenon of thermal deformation of the shockproof through hole caused by the hot airflow can be reduced. And the airflow is guided to the two sides through the clamping rings, and the airflow fully acts on the fins on the two sides, so that the heat exchange sufficiency near the middle tube plate is improved.
As shown in fig. 2 to 4, the middle tube plate 3 is formed by splicing a plurality of rectangular splicing plates 7, edges of the splicing plates 7 in the length direction are splicing edges 8, a plurality of semicircular clamping half grooves 9 are formed in the splicing edges 8 in a penetrating manner in a direction perpendicular to the splicing plates 7, and the plurality of clamping half grooves 9 included in the splicing plates 7 are arranged at intervals in the length direction of the splicing edges 8; the clamping half grooves 9 on the two adjacent split plates 7 are arranged in a one-to-one correspondence manner, and shockproof through holes 4 are formed. The middle tube plate is formed by the split plates 7, so that the heat exchange tube is convenient to install when the heat exchanger is assembled, and is convenient to disassemble during later maintenance and replacement.
Furthermore, the two ends of the middle tube plate 3 in the length direction are respectively provided with a fixed locking structure, and the fixed locking structures are respectively connected with and fix the plurality of split plates 7. Fixed lock attaches the structure and contains fixed plate 10 and lock annex, the lock annex is the bolt and nut structure, a plurality of amalgamation limit 8 settings of fixed plate 10 perpendicular to, fixed plate 10 is rectangular shape platelike structure, just a plurality of fixed orificess 11, each have been seted up along the length direction interval on the fixed plate 10 the amalgamation hole has been seted up to the 7 corresponding fixed orificess 11 of makeup board, and is a plurality of the makeup board is amalgamated fixedly through fixed plate and lock annex, and simple structure, and the installation is more convenient with the dismantlement operation.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent intermediate pipe plate subassembly of heat exchanger vibration which characterized in that: including middle tube sheet (3) that a set of at least edge heat exchange tube (2) length direction interval set up, middle tube sheet (3) set up on heat exchanger support (1), correspond heat exchange tube (2) on middle tube sheet (3) and link up and seted up shockproof perforation (4), shockproof perforation (4) inner circle is provided with damping elastomer (5), just damping elastomer (5) set up with the body laminating of heat exchange tube (2).
2. The intermediate tube sheet assembly for preventing vibration in a heat exchanger of claim 1 wherein: the outer edge of the orifice of the shockproof through hole (4) extends towards two sides along the axis direction, the extending part forms an annular clamping ring (6), and the clamping ring (6) clamps the tube body of the heat exchange tube (2).
3. The intermediate tube sheet assembly for preventing vibration in a heat exchanger of claim 2, wherein: the heat exchange tube (2) is a finned heat exchange tube, and the clamping ring (6) is positioned between two adjacent fins in the axial direction of the heat exchange tube; the outer diameter of the root part of the clamping ring (6), which is close to the middle tube plate (3), is larger than the outer diameter of the hole opening of the free end of the clamping ring (6); the clamping ring (6) guides the heat exchange gas flow to the two sides of the middle tube plate (3).
4. The intermediate tube sheet assembly for preventing vibration in a heat exchanger of claim 1 wherein: the middle tube plate (3) is formed by splicing a plurality of rectangular splicing plates (7), edges of the splicing plates (7) in the length direction are splicing edges (8), a plurality of semicircular clamping half grooves (9) are formed in the splicing edges (8) in a penetrating mode in the direction perpendicular to the splicing plates (7), and the clamping half grooves (9) in the splicing plates (7) are arranged at intervals in the length direction of the splicing edges (8); the clamping half grooves (9) on the two adjacent split plates (7) are arranged in a one-to-one correspondence manner and form shockproof through holes (4).
5. An intermediate tube sheet assembly for protecting a heat exchanger against vibration according to claim 4, wherein: the two ends of the middle tube plate (3) in the length direction are respectively provided with a fixed locking structure, and the fixed locking structures are respectively connected with and fix a plurality of split plates (7).
6. An intermediate tube sheet assembly for protecting a heat exchanger against vibration as set forth in claim 5, wherein: fixed lock attaches the structure and contains fixed plate (10) and lock annex, a plurality of amalgamation limit of fixed plate (10) perpendicular to (8) set up, fixed plate (10) are rectangular shape platelike structure, just a plurality of fixed orificess (11) have been seted up along length direction interval on fixed plate (10), each the amalgamation board (7) correspond fixed orifices (11) and have seted up the lock and have attached the hole, and are a plurality of the amalgamation board carries out the amalgamation through fixed plate and lock annex and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002869.4U CN210833206U (en) | 2019-07-01 | 2019-07-01 | Intermediate pipe plate assembly for preventing vibration of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002869.4U CN210833206U (en) | 2019-07-01 | 2019-07-01 | Intermediate pipe plate assembly for preventing vibration of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210833206U true CN210833206U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921002869.4U Active CN210833206U (en) | 2019-07-01 | 2019-07-01 | Intermediate pipe plate assembly for preventing vibration of heat exchanger |
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| CN (1) | CN210833206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797838A (en) * | 2021-01-15 | 2021-05-14 | 辽阳市隆达化工设备有限公司 | High-efficient shock attenuation graphite heat exchanger |
-
2019
- 2019-07-01 CN CN201921002869.4U patent/CN210833206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797838A (en) * | 2021-01-15 | 2021-05-14 | 辽阳市隆达化工设备有限公司 | High-efficient shock attenuation graphite heat exchanger |
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