CN220039236U - Heat exchanger tube bundle plug - Google Patents
Heat exchanger tube bundle plug Download PDFInfo
- Publication number
- CN220039236U CN220039236U CN202321567582.2U CN202321567582U CN220039236U CN 220039236 U CN220039236 U CN 220039236U CN 202321567582 U CN202321567582 U CN 202321567582U CN 220039236 U CN220039236 U CN 220039236U
- Authority
- CN
- China
- Prior art keywords
- plugging cylinder
- fastening groove
- heat exchanger
- cylinder
- plug
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 229910000906 Bronze Inorganic materials 0.000 claims abstract description 7
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 7
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010974 bronze Substances 0.000 claims abstract description 7
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchanger tube bundle plug, which comprises a plugging cylinder, wherein the plugging cylinder is made of beryllium bronze, a fastening groove is formed in one end face of the plugging cylinder, a threaded hole is formed in the central part of the fastening groove along the axial direction of the plugging cylinder towards the inside of the plugging cylinder, the diameter of the threaded hole is smaller than the length of the fastening groove, an expansion pipe is matched in the threaded hole, and an expansion screw is matched in the expansion pipe; a through groove is formed in the side wall of the plugging cylinder close to the fastening groove and perpendicular to the axis of the plugging cylinder, and a sealing ring is matched in the through groove; threads are arranged on the side wall of the plugging cylinder far away from the fastening groove. The advantages are that: the heat exchanger tube bundle plug has a simple structure, is convenient to install, adopts a double-sealing structure of screw thread sealing and sealing ring sealing, and is matched with the expansion effect of an expansion screw, so that the sealing effect of the plug is reliable, meanwhile, the plug is made of beryllium bronze, no spark is generated in the installation process, and the safety index is improved.
Description
Technical field:
the utility model relates to the technical field of heat exchanger tube plugs, in particular to a heat exchanger tube bundle plug.
The background technology is as follows:
the heat exchanger is equipment commonly used in the chemical industry, and materials passing through the heat exchanger tube bundle often have the characteristics of high temperature and high pressure in the chemical production process, so that the heat exchanger tube bundle is easy to damage, and once cracks appear on a certain tube bundle of the heat exchanger, the tube bundle needs to be plugged and repaired rapidly. At present, a damaged heat exchanger tube bundle is generally plugged by adopting a common iron or copper plug, but the iron plug is in hard-to-hard contact with the heat exchanger tube bundle in the installation process, friction sparks are easy to generate, fire explosion is extremely easy to cause in a complex chemical operation environment, safety accidents are caused, the copper plug is in soft-to-hard contact with the heat exchanger tube bundle in the installation process, but the pretightening force of the contact surface with the tube bundle is weak due to the fact that the copper material is softer, and the heat exchanger tube bundle is often fallen off after installation, so that the effect of plugging the heat exchanger tube bundle cannot be effectively realized.
The utility model comprises the following steps:
under the above technical background, the utility model aims to provide a heat exchange tube bundle plug.
The utility model is implemented by the following technical scheme: the heat exchanger tube bundle plug comprises a plugging cylinder, wherein the plugging cylinder is made of beryllium bronze, a fastening groove is formed in one end face of the plugging cylinder, a threaded hole is formed in the plugging cylinder along the axis of the plugging cylinder at the center of the fastening groove, the diameter of the threaded hole is smaller than the length of the fastening groove, an expansion pipe is matched in the threaded hole, and an expansion screw is matched in the expansion pipe; a through groove is formed in the side wall of the plugging cylinder close to the fastening groove and perpendicular to the axis of the plugging cylinder, and a sealing ring is matched in the through groove; and a thread is arranged on the side wall of the plugging cylinder far away from the fastening groove.
Preferably, the depth of the threaded hole is smaller than the length of the plugging cylinder.
Preferably, the diameter of the threaded plugging cylinder gradually decreases along the direction away from the fastening groove.
Preferably, a plurality of through grooves are formed in the side wall of the plugging cylinder close to the fastening groove, and sealing rings are arranged in the through grooves in a matched mode.
The utility model has the advantages that: the heat exchanger tube bundle plug has a simple structure, is convenient to install, adopts a double-sealing structure of screw thread sealing and sealing ring sealing, and is matched with the expansion action of an expansion screw, so that the sealing effect of the plug is reliable, and the problem of falling off after the plug is installed is effectively solved; meanwhile, the plugs are made of beryllium bronze, threads are arranged on the plugs, the plugs are installed in a screwing mode, no spark is generated in the installation process, and the safety index is improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of embodiment 1;
FIG. 2 is a left side view of example 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
in the figure: 1. the sealing device comprises a sealing cylinder, a fastening groove, a threaded hole, an expansion pipe, an expansion screw, a through groove, a sealing ring and a sealing ring, wherein the sealing cylinder is sealed by the sealing cylinder, the fastening groove is sealed by the sealing cylinder, the sealing cylinder is sealed by the sealing cylinder, and the sealing cylinder.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in fig. 1-3, the heat exchanger tube bundle plug comprises a plugging cylinder 1, wherein the plugging cylinder 1 is made of beryllium bronze, the beryllium bronze has high hardness and elastic limit, no spark is generated when impacted, the heat exchanger tube bundle plug is suitable for being used in a chemical environment, and the safety index is improved. A fastening groove 2 is formed in one end face of the plugging cylinder 1, a threaded hole 3 is formed in the center of the fastening groove 2 along the axis of the plugging cylinder 1 towards the inside of the plugging cylinder 1, the diameter of the threaded hole 3 is smaller than the length of the fastening groove 2, the depth of the threaded hole 3 is smaller than the length of the plugging cylinder 1, an expansion pipe 4 is matched in the threaded hole 3, an expansion screw 5 is matched in the expansion pipe 4, the expansion screw 5 can expand the plugging cylinder 1, and the sealing strength of a plug is improved; three through grooves 6 are formed in the side wall of the plugging cylinder 1, which is close to the fastening groove 2, and perpendicular to the axis of the plugging cylinder 1, sealing rings 7 are matched in each through groove 6, the sealing rings 7 are fluororubber O-shaped sealing rings and are tightly contacted with the pipe wall, and sealing surfaces are formed at pipe orifices of the pipe bundles; the side wall of the plugging cylinder 1 far away from the fastening groove 2 is provided with threads, the diameter of the plugging cylinder 1 provided with the threads is gradually reduced along the direction far away from the fastening groove 2, the installation difficulty of the plug is reduced, the plug can be screwed into the pipe orifice of the pipe bundle by utilizing the fastening groove 2 to be matched with a tool, the knocking of the plug is avoided, and the installation depth of the plug is easier to control.
The working description:
when the sealing device is used, one end of the sealing cylinder 1 with threads is placed at the pipe orifice of the pipe bundle to be overhauled, the tool is matched with the fastening groove 2 to screw the sealing cylinder 1, the sealing cylinder 1 is sent into the pipe orifice of the pipe bundle, and then the expansion screw 5 is screwed into the expansion pipe 4 to expand the sealing cylinder 1 so as to increase the sealing strength.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The heat exchanger tube bundle plug is characterized by comprising a plugging cylinder, wherein the plugging cylinder is made of beryllium bronze, a fastening groove is formed in one end face of the plugging cylinder, a threaded hole is formed in the plugging cylinder along the axis of the plugging cylinder at the center of the fastening groove, the diameter of the threaded hole is smaller than the length of the fastening groove, an expansion tube is matched in the threaded hole, and an expansion screw is matched in the expansion tube; a through groove is formed in the side wall of the plugging cylinder close to the fastening groove and perpendicular to the axis of the plugging cylinder, and a sealing ring is matched in the through groove; and a thread is arranged on the side wall of the plugging cylinder far away from the fastening groove.
2. The heat exchanger tube bundle plug of claim 1, wherein the threaded bore has a depth less than the length of the plug cylinder.
3. The heat exchanger tube bundle plug of claim 1, wherein the diameter of the threaded plug cylinder decreases progressively in a direction away from the fastening groove.
4. The heat exchanger tube bundle plug according to claim 1, wherein a plurality of through grooves are formed in the side wall of the plugging cylinder close to the fastening groove, and a sealing ring is arranged in each through groove in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321567582.2U CN220039236U (en) | 2023-06-19 | 2023-06-19 | Heat exchanger tube bundle plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321567582.2U CN220039236U (en) | 2023-06-19 | 2023-06-19 | Heat exchanger tube bundle plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039236U true CN220039236U (en) | 2023-11-17 |
Family
ID=88723124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321567582.2U Active CN220039236U (en) | 2023-06-19 | 2023-06-19 | Heat exchanger tube bundle plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039236U (en) |
-
2023
- 2023-06-19 CN CN202321567582.2U patent/CN220039236U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |