CN211041919U - Welding structure between tube bundle and tube plate of high polymer heat exchanger - Google Patents
Welding structure between tube bundle and tube plate of high polymer heat exchanger Download PDFInfo
- Publication number
- CN211041919U CN211041919U CN201921954721.0U CN201921954721U CN211041919U CN 211041919 U CN211041919 U CN 211041919U CN 201921954721 U CN201921954721 U CN 201921954721U CN 211041919 U CN211041919 U CN 211041919U
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- China
- Prior art keywords
- tube
- shell pass
- plate
- pass cylinder
- cylinder
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- Expired - Fee Related
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- 229920000642 polymer Polymers 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 title claims abstract description 12
- 230000004927 fusion Effects 0.000 claims abstract description 5
- 239000012768 molten material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a fusion welding structure between a tube bundle and a tube plate of a polymer heat exchanger, which comprises a heat exchange tube bundle, a shell pass cylinder and a tube plate, wherein end plates integrated with the shell pass cylinder are respectively arranged outside openings at two ends of the shell pass cylinder; the two ends of the heat exchange tube bundle are respectively provided with the tube plates welded or welded with the heat exchange tube bundle, wherein the tube plate on one side is inserted into the shell pass cylinder and is fixedly connected with the inner wall of the shell pass cylinder, and the tube plate on the other side is positioned on the outer side of the shell pass cylinder and is fixedly connected with the end plate of the shell pass cylinder; the utility model has the advantages of reasonable design, can weld or fuse into a whole back at heat exchanger tube bank and tube sheet through this assembly structure, inside the shell side barrel is advanced in the reassembling, avoided the technical defect that the expanded joint technology among the prior art exists, ensured product quality.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a fusion welding structure between tube bank and tube sheet of polymer heat exchanger.
Background
In the prior art, a connection structure of a heat exchange tube bundle and a tube plate is connected by adopting a tube expansion process, and in the use process of a heat exchanger, the expansion joint position of the heat exchange tube bundle is leaked due to the influence of various conditions such as pressure vibration or transportation generated by equipment operation, so that the equipment cannot be used normally.
Disclosure of Invention
In order to solve the deficiencies in the prior art, an object of the utility model is to provide a structure of welding between tube bank and tube sheet of polymer heat exchanger for the linkage effect of guarantee heat exchanger and tube sheet.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a fusion welding structure between tube bank and tube sheet of polymer heat exchanger, includes heat exchanger tube bank, shell side barrel and tube sheet, its characterized in that:
end plates integrated with the shell pass cylinder are arranged on the outer sides of openings at two ends of the shell pass cylinder respectively;
the heat exchange tube bundle is characterized in that the two ends of the heat exchange tube bundle are respectively provided with the tube plates which are welded or welded and fixed with the heat exchange tube bundle, wherein the tube plate at one side is inserted into the shell pass cylinder and is fixedly connected with the inner wall of the shell pass cylinder, and the tube plate at the other side is positioned at the outer side of the shell pass cylinder and is fixedly connected with the end plate of the shell pass cylinder.
The shell pass tube comprises a shell pass tube body and shell pass tubes, and is characterized by further comprising end sockets positioned on the outer sides of two ends of the shell pass tube body, wherein the end sockets on one side are respectively fixedly connected with a tube plate positioned on the outer side of the shell pass tube body and an end plate of the shell pass tube body, and the end sockets on the other side are directly fixedly connected with the end plate on the other side of the shell pass tube body.
The tube plate inserted into the shell pass cylinder is aligned with the end part of the shell pass cylinder, the outer wall of the tube plate is abutted against the inner wall of the shell pass cylinder, annular groove bodies distributed along the edges of the tube plate and the shell pass cylinder are respectively arranged at the joint of the tube plate and the shell pass cylinder on the outer side of the inner wall of the shell pass cylinder, and solidified molten materials for connecting the tube plate and the shell pass cylinder are arranged in the annular groove bodies.
The shell pass cylinder is internally provided with a plurality of shell pass tubes, the shell pass tubes are arranged in the shell pass cylinder, the shell pass cylinder is divided into S-shaped channels by the baffle plates in a staggered distribution mode, and the heat exchange tube bundles respectively penetrate through the baffle plates and are fixedly connected with the baffle plates.
The heat exchange tube bundle, the shell pass cylinder and the tube plate are all made of high polymer plastics.
The utility model has the advantages that: structural design is reasonable, can be after heat exchanger tube bank and tube sheet welding or fuse become a whole through this assembly structure, inside the reassembling shell side barrel, has avoided the technical defect that the expanded joint technology among the prior art exists, has ensured product quality.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the split state of the present invention.
Fig. 3 is a schematic diagram of the construction of a heat exchanger tube bundle and tube sheets.
Fig. 4 is a schematic structural view of a heat exchange tube bundle, a shell-side cylinder and a tube sheet.
Fig. 5 is a partial structural view of "B" in fig. 4.
FIG. 6 is a schematic sectional view taken along line A-A in FIG. 3.
In the figure: the device comprises a shell, a first end plate, a second end plate, a third end plate, a shell side cylinder and a shell side cylinder, wherein the shell side cylinder comprises a shell head 1, a first tube plate 2, a first end plate 3, a shell side cylinder, a second end plate 5, a third end plate.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
According to the illustrations of fig. 1 to 6: the embodiment provides a heat exchanger tube bundle 10 assembly structure of heat exchanger, including head 1, heat exchanger tube bundle 10, shell side barrel 4, baffling board and tube sheet, heat exchanger tube bundle 10, shell side barrel 4 and tube sheet all adopt the polymer plastic material, wherein:
a first end plate 3 integrated with the shell pass cylinder 4 is arranged on the outer side of an opening at the left end of the shell pass cylinder 4, a second end plate 5 integrated with the shell pass cylinder 4 is arranged on the outer side of an opening at the right end of the shell pass cylinder 4, the first end plate 3 and the second end plate 5 are annular panels, and mounting holes are formed in the first end plate 3 and the second end plate 5;
a first tube plate 2 and a second tube plate 9 which are fixedly welded with the heat exchange tube bundle 10 are respectively arranged at two ends of the heat exchange tube bundle, the overall dimension of the first tube plate 2 is the same as the overall dimension of the first end plate 3, the overall dimension of the second tube plate 9 is the same as the inner wall dimension of the shell-side cylinder 4, the second tube plate 9 is inserted into the shell-side cylinder 4 from one side of the first end plate 3 and is fixedly connected with the inner wall of the shell-side cylinder 4, and the first tube plate 2 is positioned at the outer side of the shell-side cylinder 4 and is aligned with the first end plate 3 for mutual connection and fixation;
for the above connection structure of the second tube plate 9 and the inner wall of the shell-side cylinder 4, specifically, the second tube plate 9 is aligned with the end of the shell-side cylinder 4, the outer wall of the second tube plate 9 is abutted to the inner wall of the shell-side cylinder 4, and the outer sides of the inner walls of the second tube plate 9 and the shell-side cylinder 4 are respectively provided with annular groove bodies distributed along respective edges at the connection positions of the two, the included angle of the cross section of each annular groove body is 90 degrees, that is, 45-degree inclined planes are respectively processed on the inner walls of the second tube plate 9 and the shell-side cylinder 4, solidified molten materials 11 for connecting the tube plate and the shell-side cylinder 4 are arranged in the annular groove bodies, and the solidified molten materials 11 are the same as the heat exchange tube bundle 10, the shell-side cylinder 4 and.
The end socket 1 is provided with two groups of end sockets and is respectively positioned at the outer sides of two ends of the shell pass cylinder 4, the outer side of an opening of the end socket 1 is provided with a third end plate 6 which is integrated with the end socket 1, the third end plate 6 is an annular panel, and mounting holes are processed on the third end plate 6, wherein the end socket 1 positioned at the left side is respectively and fixedly connected with the first end plate 3 and the first tube plate 2 through bolts, gaskets and the like, and the end socket 1 positioned at the right side is directly and fixedly connected with the second end plate 5 through bolts, gaskets and the like, so that the end socket 1, the shell pass cylinder 4 and the tube plates are mutually fixed into a whole;
the three groups of baffle plates 12 are arranged, the baffle plates 12 are positioned inside the shell pass cylinder 4 and are distributed in a staggered mode to divide the inside of the shell pass cylinder 4 into S-shaped channels, the outer side wall of each baffle plate 12 is consistent in size with the inner wall of the shell pass cylinder 4 and is in contact connection with the inner wall of the shell pass cylinder 4 to form a sealing effect, the S-shaped channels are used for circulating liquid, the flow path of the S-shaped channels can be increased, the heat exchange time between the S-shaped channels and the heat exchange tube bundle 10 is guaranteed to be enough, the heat exchange tube bundle 10 penetrates through the baffle plates 12 respectively, and part of heat exchange tubes on the edge of the heat exchange tube bundle 10 are welded and fixed.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.
Claims (5)
1. The utility model provides a fusion welding structure between tube bank and tube sheet of polymer heat exchanger, includes heat exchanger tube bank, shell side barrel and tube sheet, its characterized in that:
end plates integrated with the shell pass cylinder are arranged on the outer sides of openings at two ends of the shell pass cylinder respectively;
the heat exchange tube bundle is characterized in that the two ends of the heat exchange tube bundle are respectively provided with the tube plates which are welded or welded and fixed with the heat exchange tube bundle, wherein the tube plate at one side is inserted into the shell pass cylinder and is fixedly connected with the inner wall of the shell pass cylinder, and the tube plate at the other side is positioned at the outer side of the shell pass cylinder and is fixedly connected with the end plate of the shell pass cylinder.
2. The welding structure between the tube bundle and the tube plate of the polymer heat exchanger according to claim 1, characterized in that: the shell pass tube comprises a shell pass tube body and shell pass tubes, and is characterized by further comprising end sockets positioned on the outer sides of two ends of the shell pass tube body, wherein the end sockets on one side are respectively fixedly connected with a tube plate positioned on the outer side of the shell pass tube body and an end plate of the shell pass tube body, and the end sockets on the other side are directly fixedly connected with the end plate on the other side of the shell pass tube body.
3. The welding structure between the tube bundle and the tube plate of the polymer heat exchanger according to claim 1, characterized in that: the tube plate inserted into the shell pass cylinder is aligned with the end part of the shell pass cylinder, the outer wall of the tube plate is abutted against the inner wall of the shell pass cylinder, annular groove bodies distributed along the edges of the tube plate and the shell pass cylinder are respectively arranged at the joint of the tube plate and the shell pass cylinder on the outer side of the inner wall of the shell pass cylinder, and solidified molten materials for connecting the tube plate and the shell pass cylinder are arranged in the annular groove bodies.
4. The welding structure between the tube bundle and the tube plate of the polymer heat exchanger according to claim 1, characterized in that: the shell pass cylinder is internally provided with a plurality of shell pass tubes, the shell pass tubes are arranged in the shell pass cylinder, the shell pass cylinder is divided into S-shaped channels by the baffle plates in a staggered distribution mode, and the heat exchange tube bundles respectively penetrate through the baffle plates and are fixedly connected with the baffle plates.
5. The structure for fusion welding between a tube bundle and a tube plate of a polymer heat exchanger according to any one of claims 1 to 4, characterized in that: the heat exchange tube bundle, the shell pass cylinder, the tube plate and the baffle plate of the heat exchange tube bundle assembly structure are all made of high polymer plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954721.0U CN211041919U (en) | 2019-11-13 | 2019-11-13 | Welding structure between tube bundle and tube plate of high polymer heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954721.0U CN211041919U (en) | 2019-11-13 | 2019-11-13 | Welding structure between tube bundle and tube plate of high polymer heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211041919U true CN211041919U (en) | 2020-07-17 |
Family
ID=71533103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921954721.0U Expired - Fee Related CN211041919U (en) | 2019-11-13 | 2019-11-13 | Welding structure between tube bundle and tube plate of high polymer heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211041919U (en) |
-
2019
- 2019-11-13 CN CN201921954721.0U patent/CN211041919U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |