CN216770906U - Pressure test tool for heat exchanger shell - Google Patents
Pressure test tool for heat exchanger shell Download PDFInfo
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- CN216770906U CN216770906U CN202220082919.XU CN202220082919U CN216770906U CN 216770906 U CN216770906 U CN 216770906U CN 202220082919 U CN202220082919 U CN 202220082919U CN 216770906 U CN216770906 U CN 216770906U
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Abstract
The utility model belongs to the field of heat exchangers, in particular to a pressure test tool for a heat exchanger shell, which aims at the problems that the prior heat exchanger keeps a heat exchanger core connected with one end of the shell, when a large number of heat exchangers are required to be overhauled in batches, a pressure test device is required to be carried to the position of different heat exchangers for installation and overhaul, the pressure test device has high transportation cost and long overhaul time consumption, the pressure test device comprises a shell and a fastening clamp, the two ends of the shell are respectively and fixedly connected with a first flange and a second flange, the top of the shell is provided with a water inlet hole, one side of the first flange and one side of the fastening clamp are respectively provided with a plurality of through installation holes, and the installation holes are respectively and movably connected with a fastening bolt, the efficiency of maintenance is improved.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a pressure test tool for a heat exchanger shell.
Background
The floating head type heat exchanger has the advantages that only one end of the tube plates at the two ends is fixed with the shell, the other end of the tube plate can freely move relative to the shell and is called a floating head, the floating head is composed of a floating tube plate, a hook ring and a floating head end cover and is detachably connected, and the tube bundle can be drawn out from the shell.
The existing heat exchanger keeps the core of the heat exchanger to be connected with one end of the shell, when a large number of heat exchangers are required to be overhauled in batches, the pressure testing device is required to be carried to the position where different heat exchangers are located for installation and overhaul, the transportation cost of the pressure testing device is high, the overhaul time consumption is long, and the overhaul efficiency is low, so that the pressure testing tool for the shell of the heat exchanger is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that in the prior art, the core of the heat exchanger is kept connected with one end of a shell, when a large number of heat exchangers need to be overhauled in batches, a pressure testing device needs to be carried to the positions of different heat exchangers for installation and overhaul, the pressure testing device is high in transportation cost and long in overhaul time consumption, and the pressure testing tool for the shell of the heat exchanger is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a heat exchanger casing pressure testing frock, includes shell and fastening clip, the both ends difference first flange of fixedly connected with and the second flange of shell, the inlet opening has been seted up at the top of shell, a plurality of mounting holes that run through have all been seted up to one side of first flange and fastening clip, and equal swing joint has fastening bolt in the mounting hole, first seal, second seal and third seal have been seted up respectively to the circumference inner wall of second flange, and wherein be equipped with the C type in arbitrary seal from the rubber ring, the sealed water pressure injection hole that runs through has all been seted up at the top of first seal, second seal and third seal.
Preferably, a sealing water gap is formed in one side of the first flange, a penetrating water injection pressure hole is formed in one side of the sealing water gap, and a C-shaped sealing rubber ring is arranged in the sealing water gap.
Preferably, the bottom of the shell is fixedly connected with two mounting seats.
Preferably, a plurality of threaded holes are formed in the upper surfaces of the two mounting seats.
Preferably, the first sealing port, the second sealing port and the third sealing port have the same caliber.
Preferably, one side of the fastening clip is in threaded connection with a plurality of penetrating fastening top threads.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the arrangement of the first sealing port, the second sealing port and the third sealing port, leakage testing can be performed on heat exchanger cores with different pressure levels through one heat exchanger shell, and the overhauling efficiency is improved.
2. Through the detachable arrangement of the heat exchanger shell, when the heat exchanger core needs to be overhauled on a large scale, the heat exchanger core and the shell can be detached and separated, the core is transported to a centralized location for collective overhaul, and the maintenance cost is reduced.
3. Through the setting through C type seal rubber ring and C type from the seal rubber ring, can carry out the secondary seal to the heat exchanger casing, the effectual inside liquid that prevents spills over, has improved the leakproofness of heat exchanger.
The utility model provides a pressure test tool for a heat exchanger shell, which can test leakage of heat exchanger cores with different lengths and different pressure grades, and improves the maintenance efficiency.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional front view structure of a pressure test tool for a heat exchanger shell, which is provided by the utility model;
fig. 2 is a schematic structural diagram of a three-dimensional elevation angle of a pressure test tool for a heat exchanger shell, which is provided by the utility model;
fig. 3 is a schematic side view perspective structure view of a pressure testing tool for a heat exchanger shell according to the present invention.
In the figure: 1. a housing; 2. a water inlet hole; 3. a first flange; 4. fastening a clamp; 5. fastening a bolt; 6. fastening a jackscrew; 7. a mounting seat; 8. a second flange; 9. a threaded hole; 10. a C-shaped sealing rubber ring; 11. a water injection pressure hole; 12. sealing the water gap; 13. a first sealing port; 14. a second sealing port; 15. a third sealing port; 16. sealing the water pressure injection hole; 17. c type self-sealing rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a heat exchanger casing pressure testing frock, including shell 1 and fastening clip 4, first flange 3 and second flange 8 have been welded respectively at the both ends of shell 1, inlet opening 2 has been seted up at the top of shell 1, a plurality of mounting holes that run through have all been seted up to one side of first flange 3 and fastening clip 4, fastening bolt 5 has all been pegged graft in the mounting hole, first sealed mouthful 13 has been seted up respectively to the circumference inner wall of second flange 8, second sealed mouthful 14 and third sealed mouthful 15, wherein be equipped with the C type in arbitrary sealed mouthful from the seal rubber ring 17, first sealed mouthful 13, the sealed water pressure injection hole 16 that runs through has all been seted up at the top of second sealed mouthful 14 and third sealed mouthful 15.
Example two
Referring to fig. 1 to 3, the present invention provides a new technical solution: a pressure test tool for a heat exchanger shell comprises a shell 1 and a fastening clip 4, wherein the length of the shell 1 can be 3m, 6m or 9m, the length of the installed shell 1 can be selected according to the length of a heat exchanger core, two installation seats 7 are fixed at the bottom of the shell 1 through bolts, a plurality of threaded holes 9 which penetrate through the upper surfaces of the two installation seats 7 are formed in the upper surfaces of the two installation seats 7, the installation seats 7 and the threaded holes 9 can facilitate people to install and fix the shell 1, a first flange 3 and a second flange 8 are welded at two ends of the shell 1 respectively, a sealing water gap 12 is formed in one side of the first flange 3, a water injection pressure hole 11 which penetrates through the sealing water gap 12 is formed in one side of the sealing water gap 12, a C-shaped sealing rubber ring 10 is arranged in the sealing water gap 12, the C-shaped sealing rubber ring 10 can carry out secondary sealing on the heat exchanger shell, effectively prevents internal liquid from overflowing, and improves the sealing performance of the heat exchanger, the C-shaped self-sealing rubber ring 17 is similar, the top of the shell 1 is provided with a water inlet hole 2, one side of each of a first flange 3 and a fastening clip 4 is provided with a plurality of through mounting holes, fastening bolts 5 are inserted in the mounting holes, the fastening clips 4 and the first flange 3 can seal the heat exchanger and can fix a heat exchanger core at the same time, so that the heat exchanger core is kept stable in the heat exchanger, one side of each fastening clip 4 is in threaded connection with a plurality of through fastening jackscrews 6, the fastening jackscrews 6 can carry out secondary reinforcement on the fastening clips 4, the sealing performance of the heat exchanger is further improved, the circumferential inner wall of the second flange 8 is respectively provided with a first sealing port 13, a second sealing port 14 and a third sealing port 15, a C-shaped self-sealing rubber ring 17 is arranged in any sealing port, the calibers of the first sealing port 13, the second sealing port 14 and the third sealing port 15 are the same, the position of the C-shaped self-sealing rubber ring 17 can be selected according to the pressure in the heat exchanger, when the internal pressure of the pressure changer is large, the rightmost third sealing port 15 can be adopted for sealing, when the internal pressure of the pressure changer is small, the leftmost first sealing port 13 can be adopted for sealing, the position of the sealing port is adjusted, different pressures in the pressure changer can be adapted, and the penetrating sealing water pressure injection holes 16 are formed in the tops of the first sealing port 13, the second sealing port 14 and the third sealing port 15.
The working principle is as follows: when the pressure that needs the heat exchanger inside changes, seal corresponding seal port according to the size of pressure, when pressure changer internal pressure is great, adopt the third seal port 15 on rightmost side to seal, when pressure changer internal pressure is less, adopt the first seal port 13 on leftmost side to seal, when heat exchanger internal pressure is placed in the middle, adopt middle second seal port 14 to seal, when the heat exchanger core needs to be maintained, at first take off fastening jackscrew 6, then take off fastening bolt 5, then separation shell 1 and heat exchanger core, concentrate the collection of heat exchanger core at last then overhaul can.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a heat exchanger casing pressure testing frock, includes shell (1) and fastening clip (4), its characterized in that, the both ends difference fixedly connected with first flange (3) and second flange (8) of shell (1), inlet opening (2) have been seted up at the top of shell (1), a plurality of mounting holes that run through have all been seted up to one side of first flange (3) and fastening clip (4), and equal swing joint has fastening bolt (5) in the mounting hole, first seal (13), second seal (14) and third seal (15) have been seted up respectively to the circumference inner wall of second flange (8), wherein are equipped with the C type in arbitrary seal from close rubber ring (17), sealed water pressure injection hole (16) that runs through has all been seted up at the top of first seal (13), second seal (14) and third seal (15).
2. The pressure testing tool for the heat exchanger shell is characterized in that a sealing water gap (12) is formed in one side of the first flange (3), a penetrating water injection pressure hole (11) is formed in one side of the sealing water gap (12), and a C-shaped sealing rubber ring (10) is arranged in the sealing water gap (12).
3. The pressure test tool for the heat exchanger shell according to claim 1, wherein two installation bases (7) are fixedly connected to the bottom of the shell (1).
4. The pressure test tool for the heat exchanger shell according to claim 3, wherein a plurality of threaded holes (9) are formed in the upper surfaces of the two mounting seats (7).
5. The pressure test tool for the heat exchanger shell according to claim 1, wherein the calibers of the first sealing port (13), the second sealing port (14) and the third sealing port (15) are the same.
6. The pressure test tool for the heat exchanger shell according to claim 1, wherein a plurality of penetrating fastening jackscrews (6) are connected to one side of the fastening clip (4) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220082919.XU CN216770906U (en) | 2022-01-13 | 2022-01-13 | Pressure test tool for heat exchanger shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220082919.XU CN216770906U (en) | 2022-01-13 | 2022-01-13 | Pressure test tool for heat exchanger shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770906U true CN216770906U (en) | 2022-06-17 |
Family
ID=81977275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220082919.XU Active CN216770906U (en) | 2022-01-13 | 2022-01-13 | Pressure test tool for heat exchanger shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216770906U (en) |
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2022
- 2022-01-13 CN CN202220082919.XU patent/CN216770906U/en active Active
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