CN220136140U - Plug applied to plugging tube bundle of round heat exchange tube of heat exchanger - Google Patents
Plug applied to plugging tube bundle of round heat exchange tube of heat exchanger Download PDFInfo
- Publication number
- CN220136140U CN220136140U CN202321644714.7U CN202321644714U CN220136140U CN 220136140 U CN220136140 U CN 220136140U CN 202321644714 U CN202321644714 U CN 202321644714U CN 220136140 U CN220136140 U CN 220136140U
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- CN
- China
- Prior art keywords
- gasket
- screw
- diameter
- heat exchange
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 241000283216 Phocidae Species 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a plug applied to a plugging tube bundle of a round heat exchange tube of a heat exchanger. The sealing device comprises a sealing column, a first gasket and a second gasket, wherein the first gasket and the second gasket are respectively positioned at two ends of the sealing column, through holes are formed in the positions of the axes of the first gasket, the second gasket and the sealing column in a penetrating mode, a screw rod is in sliding fit with the through holes in the vertical direction, and one end, close to the first gasket, of the screw rod is connected with a screw head attached to the first gasket. The plug can be used for plugging the round heat exchange tube of the heat exchanger by matching the gasket, the bolt and the sealing column, is simple in manufacture, flexible in production, economical, practical, convenient and quick, low in cost, simple and convenient in later disassembly and capable of being recycled for multiple times. The heat exchanger is wide in application, can be applied to heat exchangers, can be applied to the field of sealing of any circular pipe orifice according to different needs, has good social benefit, and is worthy of being widely popularized.
Description
Technical Field
The utility model belongs to the field of plugs, and particularly relates to a plug applied to a plugging tube bundle of a round heat exchange tube of a heat exchanger.
Background
In the field of shell and tube heat exchangers, a plurality of round heat exchange tube bundles are fixedly sealed on tube plates at two ends, heat exchange is carried out through fluids with two different temperatures, thereby reaching the temperature required by production and life, in the working process of the heat exchanger, the heat exchange tubes are inevitably subjected to mechanical damage in the corrosion and cleaning maintenance processes of different fluids, leakage phenomena occur on part of the heat exchange tubes, at the moment, the tube bundles are required to be replaced, a certain amount of spare materials and construction time are required for replacing the tube bundles, some users are busy in production, the condition of emergency tube bundle replacement is not provided, at the moment, the tube bundles with partial leakage are required to be plugged, the heat exchanger can be immediately put into the working process after plugging is completed, the normal working of the heat exchanger is not influenced as long as the quantity is not out of standard, in this process, plugs for plugging the heat exchange tubes are generally made of conical copper, iron plugs are rarely used, the processing technology requirements are relatively high, the material cost and the processing cost are very high, the two ends of the leaked heat exchange tubes are required to be replaced by force, the two sides of the leaked heat exchange tubes are required to be replaced by the forced, the two sides of the tube bundles are not required to be damaged, and the necessary and the tube bundles are not required to be damaged by the secondary replacement, the great consumption of the tube bundles are not required to be replaced, and the working time is required to be damaged, the secondary and the tube bundles are required to be replaced.
In summary, the present utility model provides a plug for plugging a tube bundle of a heat exchanger round heat exchange tube, so as to solve the above problems.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a plug applied to plugging a tube bundle of a round heat exchange tube of a heat exchanger.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the utility model provides a be applied to end cap of circular heat exchange tube shutoff tube bank of heat exchanger, includes the seal column, is located respectively first gasket and the second gasket at seal column both ends, first gasket and second gasket are used for improving the area of force of follow-up seal column, can make the seal column take place to warp then, first gasket the second gasket with the axle center department of seal column has all run through and has seted up the through-hole, sliding fit has the screw rod on the vertical direction of through-hole, the screw rod be close to the one end of first gasket be connected with the screw head of laminating between the first gasket, the one end screw thread fit that the screw rod worn out the second gasket has the laminating the nut of second gasket.
Optionally, the sealing post is made of a rubber material.
Optionally, the diameters of the first gasket and the second gasket are the same as the diameter of the sealing column, the diameter of the head part of the screw is larger than that of the through hole and smaller than that of the first gasket, the diameter of the through hole is larger than that of the screw, the interval between the inner wall of the through hole and the outer wall of the screw is 1-3mm, and the diameter of the nut is larger than that of the through hole and smaller than that of the first gasket.
Optionally, one side of the screw head close to the screw rod is connected with a plurality of rod bodies, and the opposite side of the first gasket runs through and sets up a plurality of with the mounting hole of the looks adaptation of rod body, just the one end of sealing post set up with the mounting groove of the looks adaptation of rod body, the body of rod passes the mounting hole and is located the mounting groove.
Optionally, one end of the rod body far away from the screw head is in a conical structure.
Optionally, rounded corners are arranged on the peripheral sides of the outer walls of the first gasket and the second gasket.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects, and of course, any product for implementing the utility model does not necessarily need to achieve all the following advantages at the same time:
the plug can be used for plugging the round heat exchange tube of the heat exchanger by matching the gasket, the bolt and the sealing column, is simple in manufacture, flexible in production, economical, practical, convenient and quick, low in cost, simple and convenient in later disassembly and capable of being recycled for multiple times. The heat exchanger is wide in application, can be applied to heat exchangers, can be applied to the field of sealing of any circular pipe orifice according to different needs, has good social benefit, and is worthy of being widely popularized.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. In the drawings:
fig. 1 is a schematic perspective view of a plug according to an embodiment 1 of the present utility model;
fig. 2 is a schematic internal perspective view of a plug according to an embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the structure at A in FIG. 2
Fig. 4 is a schematic perspective view of a plug according to an embodiment 2 of the present utility model;
FIG. 5 is a schematic view showing the internal perspective structure of a plug according to an embodiment 2 of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
1. a sealing column; 2. a first gasket; 3. a second gasket; 4. a through hole; 5. a screw; 6. a screw head; 7. a nut; 8. a rod body; 9. a mounting hole; 10. a mounting groove; 11. a straight rod; 12. a straight groove; 13. positioning holes; 14. a thread groove; 15. and (5) a screw.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-5, in this embodiment, a plug for plugging a tube bundle of a heat exchange tube is provided, which comprises a sealing column 1, a first gasket 2 and a second gasket 3 respectively located at two ends of the sealing column 1, wherein the size of the sealing column 1 is determined according to the inner diameter of the heat exchange tube, the sealing column is generally smaller than the inner diameter of the heat exchange tube by 0.5-1mm, a heat exchange tube orifice can be placed in the sealing column, the sealing column is not lower than 20mm, through holes 4 are formed at the axial center of the first gasket 2, the second gasket 3 and the sealing column 1, a screw 5 is slidably matched in the vertical direction of the through holes 4, one end of the screw 5 close to the first gasket 2 is connected with a screw head 6 attached to the first gasket 2, the screw 5 is connected with the screw head 6 in an integrally formed manner, generally fresh water quality and temperature can be achieved by using a common carbon steel screw 5, the screw head 6, a nut 7 is penetrated out of the screw 5, one end of the second gasket 3 is in threaded fit with the screw nut 7, the screw head 6 is designed to be in a general hexagonal cap or an inner hexagonal cap or is designed, the screw 15 can be detached from the sealing column through the screw 7 and can be adjusted by the screw head 7, the sealing column is not required to be adjusted to be used for multiple times, and the sealing tube can be easily and conveniently manufactured, and easily and conveniently has the same time, and cost can be adjusted.
The sealing column 1 is made of rubber materials, ethylene propylene diene monomer or nitrile rubber, fluororubber or silica gel can be used for the sealing column 1, the rubber materials have the characteristic of stress deformation and can expand when being extruded to finish sealing of an installation part, the screw 5, the screw head 6, the nut 7 and the flat gasket can be made of copper or stainless steel under the environment with strong water quality corrosiveness and high temperature, the screw 5, the nut 7 and the flat gasket can be made of fluororubber or silica gel, and the sealing column 1 can be made of fluororubber or silica gel.
The diameters of the first gasket 2 and the second gasket 3 are the same as the diameter of the sealing post 1, the diameter of the head of the screw 5 is larger than that of the through hole 4 and smaller than that of the first gasket 2, the diameter of the through hole 4 is larger than that of the screw 5, the interval between the inner wall of the through hole 4 and the outer wall of the screw 5 is 1-3mm, the diameter of the nut 7 is larger than that of the through hole 4 and smaller than that of the first gasket 2, and the length of the screw 5 is longer than that of the sealing post 1.
The periphery of the outer walls of the first gasket 2 and the second gasket 3 is provided with a round angle, and the situation that follow-up personnel are cut by the sharp first gasket 2 and the second gasket 3 can be avoided due to the arrangement of the round angle.
In the present utility model, there are many ways of fixing the position of the screw head 6.
Example 1:
one side of the screw head 6, which is close to the screw 5, is connected with a plurality of rod bodies 8, a plurality of mounting holes 9 which are matched with the rod bodies 8 are formed in a penetrating manner in the opposite side of the first gasket 2, a mounting groove 10 which is matched with the rod bodies 8 is formed in one end of the sealing column 1, the rod bodies 8 penetrate through the mounting holes 9 and are positioned in the mounting groove 10, one end of the rod bodies 8, which is far away from the screw head 6, is of a conical structure, the rod bodies 8 can be inserted into the sealing column 1 through the arrangement of the conical structure, and the first gasket 2, the sealing column 1 and the screw 5 are of an integrated structure, so that the situation that the screw 5 rotates when the nut 7 is rotated subsequently can be avoided.
Example 2
The screw head 6 is welded with the first gasket 2, the first gasket 2 is connected with the straight bar 11 near the one end of sealing post 1, and the opposite side of sealing post 1 runs through and has offered the gliding straight flute 12 of confession straight bar 11, run through between the top and the below of second gasket 3 and offered the locating hole 13 with straight bar 11 looks adaptation, the effect of direction has been played to straight bar 11, thread groove 14 has been offered to the one end of straight bar 11, the inside screw fit of thread groove 14 has screw 15, screw 15 is used for having avoided follow-up second gasket 3 to drop and pivoted condition emergence.
Wherein, the above embodiment 1 and embodiment 2 can be fused: the screw head 6 and the first gasket 2 are subjected to welding cancellation, and a connection relationship is generated between the screw head 6 and the first gasket 2 through a rod body 8;
according to the utility model, through the embodiment 1 and the embodiment 2, the screw 5 is prevented from rotating in the process of tightening the nut 7, if the screw 5 rotates, a tool is not needed in the rotating process, so that the shape of the sealing column 1 is more convenient to adjust, and the product is convenient for subsequent recycling through a separated design.
Working principle: after putting the end cap that will design into the installation department, spiral shell head 6 is towards the heat exchange tube inboard, sealing column 1 lateral surface and mouth of pipe become a plane promptly, then tighten up supporting nut 7, after the nut 7 tightens up, two flat pads also tighten up compression sealing column 1 gradually, because sealing column 1 self has good elasticity promptly elasticity, sealing column 1 increases in volume to form the self sealss, reach the purpose of shutoff heat exchange tube, seal the gap with through-hole 4 and gasket and pack after the follow-up tightening up simultaneously, thereby make sealing column 1 sealed effect better, loose nut 7 can when follow-up needs dismantle, make sealing column 1 take place elastic deformation, the returnable.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (6)
1. Be applied to end cap of heat exchanger circular heat exchange tube shutoff tube bank, characterized in that includes: sealing post (1), be located respectively sealing post (1) first gasket (2) and second gasket (3) at both ends, first gasket (2) second gasket (3) with the axle center department of sealing post (1) all runs through and has seted up through-hole (4), sliding fit has screw rod (5) on the vertical direction of through-hole (4), screw rod (5) be close to one end of first gasket (2) be connected with screw head (6) of laminating between first gasket (2), one end screw thread fit that screw rod (5) worn out second gasket (3) has laminating nut (7) of second gasket (3).
2. Plug for a tube bundle for plugging round heat exchange tubes of heat exchangers according to claim 1, wherein the sealing column (1) is made of rubber material.
3. Plug for heat exchanger round heat exchange tube plugging tube bundles according to claim 1, characterized in that the diameter of the first gasket (2) and the second gasket (3) are the same as the diameter of the sealing column (1), the diameter of the head of the screw (5) is larger than the diameter of the through hole (4) smaller than the diameter of the first gasket (2), the diameter of the through hole (4) is larger than the diameter of the screw (5), wherein the interval between the inner wall of the through hole (4) and the outer wall of the screw (5) is 1-3mm, and the diameter of the nut (7) is larger than the diameter of the through hole (4) smaller than the diameter of the first gasket (2).
4. The plug for plugging tube bundles with the round heat exchange tubes of the heat exchanger according to claim 1, wherein one side of the screw head (6) close to the screw rod (5) is connected with a plurality of rod bodies (8), a plurality of mounting holes (9) matched with the rod bodies (8) are formed in the opposite side of the first gasket (2) in a penetrating manner, a mounting groove (10) matched with the rod bodies (8) is formed in one end of the sealing column (1), and the rod bodies (8) penetrate through the mounting holes (9) and are located in the mounting groove (10).
5. Plug for plugging tube bundles for round heat exchange tubes of heat exchanger according to claim 4, wherein one end of the rod body (8) far away from the screw head (6) is of a conical structure.
6. Plug for a heat exchanger round heat exchange tube plugging tube bundle according to claim 1, characterized in that the peripheral sides of the outer walls of the first gasket (2) and the second gasket (3) are provided with rounded corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644714.7U CN220136140U (en) | 2023-06-27 | 2023-06-27 | Plug applied to plugging tube bundle of round heat exchange tube of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644714.7U CN220136140U (en) | 2023-06-27 | 2023-06-27 | Plug applied to plugging tube bundle of round heat exchange tube of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136140U true CN220136140U (en) | 2023-12-05 |
Family
ID=88960043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321644714.7U Active CN220136140U (en) | 2023-06-27 | 2023-06-27 | Plug applied to plugging tube bundle of round heat exchange tube of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136140U (en) |
-
2023
- 2023-06-27 CN CN202321644714.7U patent/CN220136140U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |