CN212843127U - Detachable U-shaped pipe bundle tail vibration-proof structure - Google Patents
Detachable U-shaped pipe bundle tail vibration-proof structure Download PDFInfo
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- CN212843127U CN212843127U CN202022072332.4U CN202022072332U CN212843127U CN 212843127 U CN212843127 U CN 212843127U CN 202022072332 U CN202022072332 U CN 202022072332U CN 212843127 U CN212843127 U CN 212843127U
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Abstract
The utility model provides a detachable U-shaped tube bundle tail anti-vibration structure, which not only can effectively reduce the material cost and greatly reduce the flat head workload of a heat exchange tube, but also is convenient for replacing work after corrosion; the supporting tube is vertically arranged in the shell pass cylinder and further comprises a plurality of flat steel bars and pull rods, the flat steel bars are arranged between two adjacent layers of U-shaped heat exchange tubes at the tail part of the U-shaped tube bundle from top to bottom, the supporting tube runs through the flat steel bars from top to bottom, is locked by nuts and is located at the back of one end part of each flat steel bar and is located at the top of the tail part of the U-shaped tube bundle, one end part of each flat steel bar is connected with a baffle plate in the shell pass cylinder, and the other end parts of the flat steel bars are adjacent from top to bottom and are connected by the pull.
Description
Technical Field
The utility model relates to a U-shaped pipe heat exchanger technical field specifically is a removable U-shaped pipe beam tail antivibration structure.
Background
Along with rapid development of industrial production and continuous enlargement of production scale, a shell-and-tube heat exchanger tends to be large-sized, the heat exchange capacity is continuously improved, and the application range is wider and wider, but simultaneously, due to multiple factors such as high flow rate, increased support distance of a tube bundle and the like, the vibration problem of the shell-and-tube heat exchanger is more and more prominent, and is particularly obvious in a U-shaped tube heat exchanger, fluid transversely scours the tube bundle in a shell pass in the operation process of a general heat exchanger, and due to the change of operation conditions and the complexity of flow states, the heat exchange tube always vibrates more or less, so that the local failure or even the whole scrapping of the heat exchanger can be caused, and huge economic loss is brought to a factory, therefore, the tail part vibration-proof structure of the U-shaped tube bundle adopted in the prior art is generally arranged at the tail part of, need earlier 1 drilling of vibration-proof plate, then the cutting piecemeal, wear the good vibration-proof plate embedding of piecemeal after one deck heat exchange tube 2, wear another layer heat exchange tube again, two liang of adjacent vibration-proof plates need spot welding fixed, in addition, because there is the ovality deviation in U-shaped pipe bend section, adopt this kind of antivibration structure to need with the extension of heat exchange tube straight tube segment length, otherwise outer heat exchange tube is difficult to expose the tube sheet terminal surface more, material cost and tube head crew cut work load have invisibly increased, and because the tube bank needs periodic overhaul, change vulnerable part, clear away the dirt on the tube bank, and the welded fastening formula structure that this afterbody antivibration structure adopted, this has just brought very big degree of difficulty for change.
Disclosure of Invention
In view of the above problem, the utility model provides a removable U-shaped tube beam tail antivibration structure, it not only can effectively reduce material cost, reduces heat exchange tube crew cut work load by a wide margin, and is convenient for change work after corroding.
The technical scheme is as follows: the utility model provides a removable U-shaped pipe bundle tail anti-vibration structure, its includes the vertical stay tube that sets up in the shell side barrel, its characterized in that: the U-shaped tube bundle tail part is characterized by further comprising a plurality of flat steel bars and pull rods, wherein the flat steel bars are arranged between two adjacent layers of U-shaped heat exchange tubes from top to bottom, the supporting tube runs through the flat steel bars from top to bottom and is locked through a nut behind one end of each flat steel bar, the supporting tube is located at the top of the tail part of each U-shaped tube bundle, one end of each flat steel bar is connected with a baffle plate arranged in the shell pass cylinder, and the other end of each flat steel bar is adjacent to the pull rods from top to bottom and passes through the pull rods.
It is further characterized in that:
the other end parts of the upper and lower adjacent flat steel bars are connected through the pull rod and then locked through the nut, and the pull rod is sleeved with a sleeve;
the flat steel bars are divided into a top flat steel bar, a middle flat steel bar and a bottom flat steel bar, the number of the middle flat steel bars is at least two, the supporting tubes sequentially penetrate through the end parts of one ends of the top flat steel bar, the middle flat steel bar and the bottom flat steel bar from top to bottom and then are locked through nuts, and the end part of one end of the top flat steel bar is connected with the baffle plate;
the widths of the top flat steel bar and the bottom flat steel bar are larger than the width of the middle flat steel bar;
the widths of the top flat steel bar and the bottom flat steel bar are both 45-55 mm; the width of the middle flat steel bar is 20 mm-30 mm;
the length of the sleeve is smaller than that of the pull rod corresponding to the sleeve.
The beneficial effects of the utility model are that, the stay tube runs through from last to down through nut locking, it is adjacent from top to bottom behind the one end tip of ribbon steel pass through between the other end tip of ribbon steel the pull rod is connected to realized the antivibration detachable construction of U-shaped pipe beam tail, not only reduced welding work volume by a wide margin, saved manufacturing cost, and avoided the afterbody antivibration to support because the problem of receiving fluidic corrosion damage and inconvenient change.
Drawings
FIG. 1 is a schematic view of a U-tube bundle tail anti-vibration structure in the prior art;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 2, the utility model relates to a detachable U-shaped tube bundle tail anti-vibration structure, which comprises a supporting tube 4 vertically arranged in a shell pass cylinder 3, and the supporting tube 4 is positioned at the central position of a U-shaped tube bundle tail 10 in the shell pass cylinder 3, and also comprises a plurality of flat steel bars 5 and pull rods 6, the flat steel bars 5 and the pull rods 6 are different in length, specifically, the assembly condition is set, the flat steel bars 5 are respectively arranged between two adjacent layers of U-shaped heat exchange tubes 2 above and below the U-shaped tube bundle tail 4, the supporting tube 4 is locked by a nut 7 after penetrating through one end part of all the flat steel bars 5 from top to bottom, one end part of one flat steel bar 5 positioned at the top of the U-shaped tube bundle tail 10 is connected with a last baffle plate 8 arranged in the shell pass cylinder 3, the other end parts of the adjacent flat steel bars 5 above and below are locked by the nut 7 after, specifically, can set up to connect through pull rod 6 between the other end tip of two or many flat steel strips 5 adjacent from top to bottom, and the cover is equipped with sleeve pipe 9 on pull rod 6, and sleeve pipe 9's length is less than the length of its pull rod 6 that corresponds, all is equipped with sleeve pipe 9 on the pull rod 6 subsection between the adjacent flat steel strip 5 from top to bottom promptly to better realization flat steel strip 5 is fixed a position.
The flat steel bars 5 are divided into a top flat steel bar 51, a middle flat steel bar 52 and a bottom flat steel bar 53, at least two middle flat steel bars 52 are arranged, the support tube 4 sequentially penetrates through the top flat steel bar 51, the middle flat steel bar 52 and one end part of the bottom flat steel bar 53 from top to bottom and is locked by a nut 7, and one end part of the top flat steel bar 51 is connected with the baffle plate 8; the widths of the top flat steel bar 51 and the bottom flat steel bar 53 are both larger than the width of the middle flat steel bar 52; the width of the top flat steel bar 51 and the width of the bottom flat steel bar 53 are both 50 mm; the width of the middle flat steel bar 52 is 25mm, so that the anti-vibration effect can be better achieved.
The utility model discloses in, through removable U-shaped tube bundle afterbody antivibration structure, not only can the adjacent pipe of effectual reduction, the pipe takes place the striking with baffling board or casing, frictional frequency, avoid heat exchange tube and casing because the wall thickness attenuate that produces by the impact of fluid, the heat exchange tube fracture, the heat exchange tube is tired by the pipe that the alternating stress produced, the heat exchange tube takes place to leak with the tube sheet junction, and need not additionally to consider extension heat exchange tube straight tube length, material cost is reduced, heat exchange tube crew cut work load and welding work load have been reduced substantially, manufacturing cost has been saved, and only need just can realize dismantling through the pull rod and the nut on it, change work after being convenient for corrode.
Claims (6)
1. The utility model provides a removable U-shaped pipe bundle tail anti-vibration structure, its includes the vertical stay tube that sets up in the shell side barrel, its characterized in that: the U-shaped tube bundle tail part is characterized by further comprising a plurality of flat steel bars and pull rods, wherein the flat steel bars are arranged between two adjacent layers of U-shaped heat exchange tubes from top to bottom, the supporting tube runs through the flat steel bars from top to bottom and is locked through a nut behind one end of each flat steel bar, the supporting tube is located at the top of the tail part of each U-shaped tube bundle, one end of each flat steel bar is connected with a baffle plate arranged in the shell pass cylinder, and the other end of each flat steel bar is adjacent to the pull rods from top to bottom and passes through the pull rods.
2. A detachable U-shaped tube bundle tail vibration preventing structure according to claim 1, wherein: the other end of the flat steel bar which is adjacent from top to bottom is connected through the pull rod and then locked through the nut, and the pull rod is sleeved with a sleeve.
3. A detachable U-shaped tube bundle tail vibration preventing structure according to claim 1, wherein: the flat steel bar is divided into a top flat steel bar, a middle flat steel bar and a bottom flat steel bar, the number of the middle flat steel bars is at least two, the supporting tube sequentially penetrates through the top flat steel bar, the middle flat steel bar and the bottom flat steel bar from top to bottom and then is locked through the nut, and one end part of the top flat steel bar is connected with the baffle plate.
4. A detachable U-shaped tube bundle tail vibration preventing structure according to claim 3, wherein: the width of top ribbon, bottom ribbon all is greater than the width of middle ribbon.
5. A detachable U-shaped tube bundle tail vibration preventing structure according to claim 3, wherein: the widths of the top flat steel bar and the bottom flat steel bar are both 45-55 mm; the width of the middle flat steel bar is 20 mm-30 mm.
6. A detachable U-shaped tube bundle tail vibration preventing structure according to claim 2, wherein: the length of the sleeve is smaller than that of the pull rod corresponding to the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072332.4U CN212843127U (en) | 2020-09-21 | 2020-09-21 | Detachable U-shaped pipe bundle tail vibration-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022072332.4U CN212843127U (en) | 2020-09-21 | 2020-09-21 | Detachable U-shaped pipe bundle tail vibration-proof structure |
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| Publication Number | Publication Date |
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| CN212843127U true CN212843127U (en) | 2021-03-30 |
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| CN202022072332.4U Active CN212843127U (en) | 2020-09-21 | 2020-09-21 | Detachable U-shaped pipe bundle tail vibration-proof structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998719A (en) * | 2020-09-21 | 2020-11-27 | 无锡化工装备股份有限公司 | Detachable U-shaped pipe bundle tail vibration-proof structure |
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2020
- 2020-09-21 CN CN202022072332.4U patent/CN212843127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998719A (en) * | 2020-09-21 | 2020-11-27 | 无锡化工装备股份有限公司 | Detachable U-shaped pipe bundle tail vibration-proof structure |
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