CN218764803U - Sealing connection structure for tubular heat exchanger - Google Patents
Sealing connection structure for tubular heat exchanger Download PDFInfo
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- CN218764803U CN218764803U CN202223335494.8U CN202223335494U CN218764803U CN 218764803 U CN218764803 U CN 218764803U CN 202223335494 U CN202223335494 U CN 202223335494U CN 218764803 U CN218764803 U CN 218764803U
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- tube
- heat exchanger
- threaded hole
- annular
- screen plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a sealing connection structure for tubular heat exchanger belongs to heat exchange utensil technical field, and it includes heat exchanger shell, tube sheet and pipe case, the both ends of heat exchanger shell all are fixed with the tube sheet, just all can dismantle on the tube sheet and be connected with pipe case. During installation, the first positioning structure and the second positioning structure are matched, so that the first threaded hole is aligned with the second threaded hole better, the annular protrusion is inserted into the annular groove, the sealing structure is arranged around the periphery of the annular protrusion to realize sealing, and the first threaded hole and the second threaded hole are fastened through bolts to realize connection of the tube plate and the tube box. Therefore, the sealing connection structure for the tubular heat exchanger is convenient to disassemble, the heat exchange tube contained in the heat exchanger is more convenient to clean due to the sediment generated in the long-term flowing process, and meanwhile, after the cleaning is finished, the tube plate and the tube box can be connected in a better alignment mode, and the tube plate and the tube box are connected more tightly.
Description
Technical Field
The utility model relates to a relevant technical field of heat exchange utensil especially relates to a sealing connection structure for tubular heat exchanger.
Background
In the industrial production process, the heat exchanger is widely used, and the heat exchanger is one of the heat exchangers. Heat exchangers are broadly classified into dividing wall type heat exchangers, regenerative type heat exchangers, fluid connection indirect type heat exchangers, hybrid type heat exchangers, and duplex type heat exchangers according to the heat transfer principle. Of which the tubular heat exchanger is the most typical dividing wall heat exchanger.
The existing tubular heat exchanger comprises tube boxes, tube plates, a shell, baffle plates and heat exchange tubes, wherein the tube boxes are of a tubular structure with one closed end, the number of the tube boxes is two, and the unclosed ends of the two tube boxes are close to each other; the shell is of a cylindrical structure, and the tube box is fixedly connected with the shell; the tube plate is positioned in the shell, the tube plate is fixedly connected with the shell, a plurality of heat exchange tubes are arranged, each heat exchange tube respectively penetrates through the tube plate and the baffle plate, two ends of each heat exchange tube are respectively and fixedly connected with the tube plate, and the circumferential side wall of each heat exchange tube is vertically and fixedly connected with the baffle plate; and the tube plate and the baffle plate are vertically and fixedly connected with the inner wall of the shell.
However, in the heat exchange process, impurities are doped in the fluid medium in the heat exchange tube and the fluid medium flowing through the side wall of the heat exchange tube, and deposition and adhesion can occur in the flowing process, so that the impurities can be conveniently cleaned by an operator, and the problem that the heat transfer performance of the heat exchange tube is not lower and lower due to the occurrence of the impurities is solved at the present stage.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, the utility model aims to provide a can make things convenient for the heat exchange tube that the heat exchanger contained because long-term flow in-process can take place the deposit of sediment and adhere to and clear up, guarantee heat exchange tube efficiency's sealing connection structure for tubular heat exchanger.
A sealing connection structure for a tubular heat exchanger comprises a heat exchanger shell, a tube plate and a tube box, wherein the tube plate is fixed at both ends of the heat exchanger shell, and the tube box can be detachably connected on the tube plate; the tube plate comprises a screen plate frame and a screen plate, the cross section of the screen plate frame is in a circular shape, one end of the screen plate frame is welded at the end part of the heat exchanger shell, a through hole is formed in the screen plate frame along the circle center of the screen plate frame in a diffused mode outwards, the screen plate is fixed in the through hole, a circle of first threaded holes are formed in the periphery of the screen plate frame in an annular mode, a circle of annular groove is formed between the through hole and the first threaded holes, and a first positioning structure is arranged between the annular groove and the first threaded holes; the tube box comprises a connecting plate with a circular section, a circle of annular protrusion matched with the annular groove, a circle of second threaded hole matched with the first threaded hole and a second positioning structure matched with the first positioning structure and arranged between the annular protrusion and the second threaded hole are arranged on the connecting plate, the first threaded hole and the second threaded hole are connected through bolts, and a sealing structure is arranged around the periphery of the annular protrusion.
Preferably, the sealing structure is a ring of annular rubber ring arranged around the outer side of the annular protrusion.
Furthermore, the section of the annular rubber ring is of a structure with a tip, and one side of the tip is located on the side far away from the connecting plate. When the sealing connection is carried out, the tip part of the annular rubber ring can be inserted into the annular groove, so that the sealing is tighter.
Furthermore, the first positioning structure is two arc-shaped grooves arranged at 45 degrees, and the second positioning structure is a cylinder. The arrangement of the arc-shaped groove facilitates the insertion of the cylinder, namely the inserted position is changed to be more, the cylinder can be inserted at will, and when in alignment, the cylinder is rotated to the side edge of the arc-shaped groove. Through the cooperation of arc wall and cylinder, avoided first screw hole and the difficult problem of second screw hole counterpoint, two arc walls set up to 45 degrees simultaneously, and when the cylinder inserted the arc wall, avoided running the position, also made the case tentatively be fixed in tube sheet department simultaneously, later twist the bolt fastening can.
Further, the cross-sectional width of the arc-shaped groove is slightly larger than the diameter of the cylinder. Preferably, the width of the cross section of the arc-shaped groove is 2mm larger than the diameter of the cylinder, so that the arc-shaped groove is convenient to insert.
Preferably, the cross-section of annular groove is the semicircle annular, and is corresponding, the annular arch is the semicircle annular, makes things convenient for both adaptations to insert, simultaneously the bellied diameter of annular is less than the diameter 1mm of annular groove makes things convenient for the annular arch to insert to the annular groove, simultaneously, annular rubber circle part also can insert to the annular groove for the sealed inseparable of tube sheet and pipe case.
Preferably, a cold fluid inlet is arranged on one of the tube boxes, and a cold fluid outlet is arranged on the other tube box. Preferably, the heat exchanger shell is provided with a cooling water inlet and a cooling water outlet.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a sealing connection structure for tubular heat exchanger, including a heat exchanger shell, a tube sheet and a pipe case, the both ends of heat exchanger shell all are fixed with the tube sheet, just all can dismantle on the tube sheet and be connected with pipe case. During installation, the first positioning structure and the second positioning structure are matched, so that the first threaded hole is aligned with the second threaded hole better, the annular protrusion is inserted into the annular groove, the sealing structure is arranged around the periphery of the annular protrusion to realize sealing, and the first threaded hole and the second threaded hole are fastened through bolts to realize connection of the tube plate and the tube box. Therefore, the sealing connection structure for the tubular heat exchanger is convenient to disassemble, the heat exchange tube contained in the heat exchanger is more convenient to clean due to the sediment generated in the long-term flowing process, and meanwhile, after the cleaning is finished, the tube plate and the tube box can be connected in a better alignment mode, and the tube plate and the tube box are connected more tightly.
Drawings
Fig. 1 is a schematic view of a sealing connection structure for a tubular heat exchanger according to the present invention;
fig. 2 is a schematic sectional view of a part of the sealing connection structure for a tubular heat exchanger according to the present invention;
fig. 3 is a schematic view of the tube plate structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
wherein:
100-heat exchanger shell, 200-tube plate, 300-tube box, 400-bolt, 110-cold fluid inlet, 120-cold fluid outlet, 130-cooling water inlet, 140-cooling water outlet, 210-mesh plate frame, 220-first threaded hole, 230-annular groove, 240-first positioning structure, 310-connecting plate, 320-annular protrusion, 340-second positioning structure and 350-sealing structure.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides a sealing connection structure for a tubular heat exchanger, which includes a heat exchanger shell 100, a tube sheet 200 and a tube box 300, wherein the tube sheet 200 is fixed to both ends of the heat exchanger shell 100, and the tube box 300 is detachably connected to the tube sheet 200; the tube plate 200 comprises a mesh plate frame 210 and a mesh plate 200, the cross section of which is circular, one end of the mesh plate frame 210 is welded at the end of the heat exchanger shell 100, the mesh plate frame 210 is provided with a through hole along the circle center thereof, the mesh plate 200 is fixed in the through hole, the periphery of the mesh plate frame 210 is annularly provided with a circle of first threaded holes 220, a circle of annular groove 230 is arranged between the through hole and the first threaded holes 220, and a first positioning structure 240 is arranged between the annular groove 230 and the first threaded holes 220; the tube box 300 comprises a connecting plate 310 with a circular cross section, wherein a ring of annular protrusion 320 matched with the annular groove 230, a ring of second threaded holes matched with the first threaded holes 220, and a second positioning structure 340 matched with the first positioning structure 240 and arranged between the annular protrusion 320 and the second threaded holes are arranged on the connecting plate 310, the first threaded holes 220 and the second threaded holes realize connection of the tube plate 200 and the tube box 300 through bolts 400, and a sealing structure 350 is arranged around the periphery of the annular protrusion 320.
Referring to fig. 3 and 4, preferably, the sealing structure 350 is a ring-shaped rubber ring surrounding the annular protrusion 320. Further, the cross section of the annular rubber ring is a structure with a tip, and one side of the tip is located at the side far away from the connecting plate 310. When sealing the connection, the tip portion of the annular rubber ring may be inserted into the annular groove 230, making the seal tighter.
Referring to fig. 3, further, the first positioning structure 240 is two arc-shaped slots disposed at 45 degrees, and the second positioning structure 340 is a cylinder. The arrangement of the arc-shaped groove facilitates the insertion of the cylinder, namely, the inserted positions are changed to be more, the cylinder can be inserted at will, and during the alignment, the hole position of the first threaded hole 220 can be aligned to the hole position of the second threaded hole by rotating the cylinder to the side edge of the arc-shaped groove. Through the cooperation of arc wall and cylinder, avoided first screw hole 220 and the problem of second screw hole counterpoint difficulty, two arc walls set up to 45 degrees simultaneously, and when the cylinder inserted the arc wall, avoided running the position, also made pipe case 300 tentatively to be fixed in tube sheet 200 department simultaneously, later twist bolt 400 fixed can. Further, the cross-sectional width of the arc-shaped groove is slightly larger than the diameter of the cylinder. Preferably, the width of the cross section of the arc-shaped groove is 2mm larger than the diameter of the cylinder, so that the arc-shaped groove is convenient to insert.
Referring to fig. 3, preferably, the cross section of the annular groove 230 is semi-circular, correspondingly, the annular protrusion 320 is semi-circular, which facilitates the fitting and insertion of the two, meanwhile, the diameter of the annular protrusion 320 is smaller than the diameter of the annular groove 230 by 1mm, which facilitates the insertion of the annular protrusion 320 into the annular groove 230, and meanwhile, the annular rubber ring part can also be inserted into the annular groove 230, so that the tube plate 200 and the tube box 300 are tightly sealed.
Preferably, a cold fluid inlet 110 is provided on one of the header chambers 300, and a cold fluid outlet 120 is provided on the other header chamber 300. Preferably, the heat exchanger housing 100 is provided with a cooling water inlet 130 and a cooling water outlet 140.
The utility model provides a tubular heat exchanger is with sealing connection structure, including a heat exchanger shell 100, a tube sheet 200 and a pipe case 300, heat exchanger shell 100's both ends all are fixed with tube sheet 200, just all can dismantle on the tube sheet 200 and be connected with pipe case 300. When the tube plate is installed, the first positioning structure 240 and the second positioning structure 340 are matched to enable the first threaded hole 220 to be aligned with the second threaded hole better, then the arranged annular protrusion 320 is inserted into the annular groove 230, a sealing structure 350 is arranged around the outer periphery of the annular protrusion 320 to realize sealing, and the first threaded hole 220 and the second threaded hole are fastened through bolts 400 to realize connection between the tube plate 200 and the tube box 300. Therefore, the sealing connection structure for the tubular heat exchanger is convenient to disassemble, the heat exchange tubes contained in the heat exchanger can be cleaned due to the sediment generated in the long-term flowing process, and meanwhile, after the heat exchange tubes are cleaned, the tube plates 200 and the tube boxes 300 can be connected in a better alignment mode, and the tube plates 200 and the tube boxes 300 are connected more tightly.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a tubular heat exchanger is with sealing connection structure, includes a heat exchanger shell, a tube sheet and a pipe case, its characterized in that: the tube plates are fixed at two ends of the shell of the heat exchanger, and the tube boxes can be detachably connected to the tube plates; wherein,
the tube plate comprises a screen plate frame and a screen plate, the cross section of the screen plate frame is in a circular shape, one end of the screen plate frame is welded at the end part of the heat exchanger shell, the screen plate frame is provided with a through hole along the circle center of the screen plate frame in an outward diffusion mode, the screen plate is fixed in the through hole, the periphery of the screen plate frame is annularly provided with a circle of first threaded holes, a circle of annular grooves are formed between the through hole and the first threaded holes, and a first positioning structure is arranged between the annular grooves and the first threaded holes;
the tube box comprises a connecting plate with a circular section, a circle of annular protrusion matched with the annular groove, a circle of second threaded hole matched with the first threaded hole and a second positioning structure matched with the first positioning structure and arranged between the annular protrusion and the second threaded hole are arranged on the connecting plate, the first threaded hole and the second threaded hole are connected through bolts, and a sealing structure is arranged around the periphery of the annular protrusion.
2. The seal connecting structure for a tube heat exchanger according to claim 1, wherein the seal structure is a ring-shaped rubber ring provided around the outside of the annular projection.
3. The seal connection structure for a tube heat exchanger according to claim 2, wherein the cross section of the annular rubber ring is a structure having a tip end, and the tip end side is located on the side away from the connection plate.
4. The seal connecting structure for a tube heat exchanger according to claim 1, wherein the first positioning structure is two arc-shaped grooves arranged at 45 degrees, and the second positioning structure is a cylinder.
5. The seal connecting structure for a tube heat exchanger according to claim 4, wherein the arc-shaped groove has a cross-sectional width slightly larger than the diameter of the cylindrical body.
6. The seal-connecting structure for a tube heat exchanger according to claim 1, wherein the section of the annular groove is a semicircular ring.
7. The seal connecting structure for a tube heat exchanger according to claim 1, wherein a cold fluid inlet is provided in one of the tube headers, and a cold fluid outlet is provided in the other tube header.
8. The seal-connecting structure for a tube heat exchanger according to claim 1, wherein a cooling water inlet and a cooling water outlet are provided in the heat exchanger shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335494.8U CN218764803U (en) | 2022-12-12 | 2022-12-12 | Sealing connection structure for tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335494.8U CN218764803U (en) | 2022-12-12 | 2022-12-12 | Sealing connection structure for tubular heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218764803U true CN218764803U (en) | 2023-03-28 |
Family
ID=85681539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223335494.8U Active CN218764803U (en) | 2022-12-12 | 2022-12-12 | Sealing connection structure for tubular heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218764803U (en) |
-
2022
- 2022-12-12 CN CN202223335494.8U patent/CN218764803U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Sealing Connection Structure for Tubular Heat Exchangers Effective date of registration: 20230627 Granted publication date: 20230328 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Liwan branch Pledgor: Guangdong Jiebang Energy Saving Equipment Manufacturing Co.,Ltd. Registration number: Y2023980046125 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |