CN216978299U - Pressure detection test device for single heat conduction pipe of generator hydrogen cooler - Google Patents
Pressure detection test device for single heat conduction pipe of generator hydrogen cooler Download PDFInfo
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- CN216978299U CN216978299U CN202220781640.0U CN202220781640U CN216978299U CN 216978299 U CN216978299 U CN 216978299U CN 202220781640 U CN202220781640 U CN 202220781640U CN 216978299 U CN216978299 U CN 216978299U
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Abstract
The utility model relates to a single pressure detection test device for a heat conduction pipe of a hydrogen cooler of a generator, which comprises a manual hydraulic press and a stop ball valve which are communicated through a pipeline, and further comprises a water injection rod piece which is arranged in a heat exchange pipeline in a penetrating mode, wherein one end of the water injection rod piece is communicated with the stop ball valve through the pipeline, two ends of the heat exchange pipeline are respectively connected with the water injection rod piece in a sealing mode through sealing devices, a water injection port is formed in the water injection rod piece which is positioned in the heat exchange pipeline, and a pressure gauge is arranged between the water injection rod piece and the stop ball valve. The water injection rod piece is communicated with an external water source, two sides of the water injection rod piece are respectively arranged in the heat exchange pipeline in a sealing mode through the sealing devices, the hydrogen cooler pipeline and the expansion port can be sealed, leakage checking accuracy is high, the leakage fault of a single pipeline of the hydrogen cooler of the generator and the expansion port can be effectively detected, the defects of the equipment can be conveniently processed and eliminated, the service life of the hydrogen cooler is prolonged, and cost is saved.
Description
Technical Field
The utility model relates to the technical field of hydrogen coolers, in particular to a pressure detection test device for a single heat conducting pipe of a hydrogen cooler of a generator.
Background
The hydrogen cooler has strong heat exchange capacity and good cooling effect, and is widely applied to large and medium-sized hydrogen (water, hydrogen and hydrogen cooling) cooling generators. The material of the heat exchange pipeline of the hydrogen cooler is generally B10 copper pipe or stainless steel pipe, the end part is sealed and fixed by adopting an expansion mode, the inner wall can be scoured and corroded by internal cooling water when the generator set runs, hydrogen oil stain and the like can also be worn and corroded on the outer wall, so the problem of water leakage of the inner part or expansion opening of the copper pipe often occurs to the hydrogen cooler running for more than ten years, hydrogen can enter the cooling water through leakage points and leak to a production site, the risk of hydrogen explosion can be caused, and the hydrogen cooler needs to be isolated to run or shut down to process when the leakage is serious, so that the safe running of the generator set is threatened.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a pressure detection test device for a single heat conduction pipe of a hydrogen cooler of a generator.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a single pressure measurement test device of generator hydrogen cooler heat pipe, includes the manual hydraulic press through the pipeline intercommunication and ends the ball valve, still includes the water injection member of wearing to establish in heat exchange pipeline, water injection member one end through the pipeline with cut off the ball valve intercommunication, heat exchange pipeline's both ends are respectively through sealing device and water injection member sealing connection, the water injection member that is located heat exchange pipeline is provided with the water filling port, the water injection member with cut off and be provided with the manometer between the ball valve.
Install one additional between hydraulic press and sealing device and end ball valve and manometer, stop the effect that the ball valve suppressed the pressure and cut off the water source when being used for hydrostatic test, the water injection member that is equipped with the water filling port wears to establish in heat exchange tube, water injection member and external water source intercommunication, the both sides of water injection member are sealed through sealing device respectively and are set up in heat exchange tube, the water injection member water injection, water gets into in heat exchange tube's copper pipe or the stainless steel pipe from the water filling port, can be fine seal the leak hunting accuracy height to hydrogen cooler pipeline and bloated mouthful, can effectually examine the trouble that single pipeline of generator hydrogen cooler and bloated mouthful leaked, be convenient for handle and eliminate equipment defect extension hydrogen cooler life, and the cost is saved.
Preferably, the water injection member includes test tube and threaded connection pole, and the one end of test tube is passed through the pipeline and is communicate with ending the ball valve, and the other end and the threaded connection pole of test tube are connected, and the water filling port sets up on the test tube.
Preferably, the sealing device comprises an end sealing element and a tail sealing element which have the same structure, the end sealing element is provided with a sealing ring groove and a first pipe hole matched with the detection pipe, and the detection pipe is arranged in the first pipe hole in a penetrating mode; the threaded connection rod penetrates through the second pipe hole of the tail sealing piece, and the threaded connection rod extending to the outer side of the tail sealing piece is connected with a sealing nut in a threaded mode.
The afterbody sealing member still includes seal nut, and outside the one end that the test tube was kept away from to the threaded connection pole extended heat exchange pipeline and afterbody sealing member, the threaded connection pole threaded connection who extends to the afterbody sealing member outside had seal nut, and afterbody sealing member body, threaded connection pole and seal nut are kept away from the one end of ending the ball valve with sealed heat exchange pipeline, are convenient for seal the leak hunting.
Preferably, the end seal and the tail seal are provided with seal rings in their respective seal ring grooves, and the seal rings are in close contact with the heat exchange pipe.
A sealing ring is arranged in a sealing ring groove of the end sealing element, and the sealing ring of the end sealing element is tightly attached to the adjacent heat exchange pipeline to play a role in sealing; the sealing ring groove of the tail sealing element is also provided with a sealing ring, and the sealing ring of the tail sealing element is tightly attached to the adjacent heat exchange pipeline to play a role in sealing.
Preferably, a gasket is arranged between the tail seal and the seal nut.
The gasket is used for sealing between the tail seal and the seal nut.
The sealing gasket is made of polytetrafluoroethylene.
Compared with the prior art, the utility model has the beneficial effects that: the two sides of the water injection rod piece are respectively arranged in the heat exchange pipeline in a sealing mode through the sealing devices, water is injected into the water injection rod piece, water enters a copper pipe or a stainless steel pipe of the heat exchange pipeline from the water injection port, the accuracy of sealing and leakage detection of a hydrogen cooler pipeline and an expansion port can be high, the leakage faults of a single pipeline and the expansion port of a generator hydrogen cooler can be effectively detected, the defects of equipment can be conveniently treated and eliminated, the service life of the hydrogen cooler is prolonged, and the cost is saved;
the threaded connecting rod which extends to the outer side of the tail sealing element is connected with a sealing nut in a threaded mode, and the tail sealing element body, the threaded connecting rod and the sealing nut are far away from one end of the stop ball valve through a sealing heat exchange pipeline, so that sealing and leakage detection are facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a schematic view of the tail seal structure of the present invention.
Reference numerals shown in the drawings: 1. a manual hydraulic press; 2. a stop ball valve; 3. a heat exchange conduit; 4. a pressure gauge; 5. a detection tube; 501. a water injection port; 6. a threaded connecting rod; 7. an end seal; 701. a seal ring groove; 702. a first tube hole; 8. a tail seal; 9. a sealing nut; 10. a seal ring; 11. and a gasket.
Detailed Description
The utility model is further described below by combining with a specific embodiment, as shown in fig. 1 to 4, a single pressure detection test device for a heat pipe of a generator hydrogen cooler comprises a manual hydraulic press 1 and a stop ball valve 2 which are communicated with each other through a pipeline, and further comprises a water injection rod piece penetrating through a heat exchange pipeline 3, wherein one end of the water injection rod piece is communicated with the stop ball valve 2 through a pipeline, two ends of the heat exchange pipeline 3 are respectively connected with the water injection rod piece in a sealing manner through a sealing device, the water injection rod piece positioned in the heat exchange pipeline 3 is provided with a water injection port 501, a pressure gauge 4 is arranged between the water injection rod piece and the stop ball valve 2, the water injection rod piece comprises a detection pipe 5 and a threaded connection rod 6, one end of the detection pipe 5 is communicated with the stop ball valve 2 through a pipeline, the other end of the detection pipe 5 is connected with the threaded connection rod 6, the water injection port 501 is arranged on the detection pipe 5, and the sealing device comprises an end sealing piece 7 and a tail sealing piece 8 which are the same in structure.
Install one additional between hydraulic press and sealing device and end ball valve 2 and manometer 4, stop the effect of the ball valve 2 pressure-building and cutting off the water source when being used for hydrostatic test, the sense tube 5 that is equipped with water filling port 501 wears to establish in heat exchange tube 3, sense tube 5 and manual hydraulic press 1 intercommunication, sense tube 5 is close to and seals up the setting in heat exchange tube 3 through tip sealing member 7 by one side of ball valve 2, 5 water injections of sense tube, water gets into in heat exchange tube 3's copper pipe or the nonrust steel pipe from water filling port 501, can be fine seal up leak hunting accuracy height to hydrogen cooler pipeline and bloated mouth, can effectually detect the trouble that single pipeline of generator hydrogen cooler and bloated mouthful leaked, be convenient for handle and eliminate equipment defect extension hydrogen cooler life, and save the cost.
The end sealing element 7 is provided with a sealing ring groove 701 and a first pipe hole 702 matched with the detection pipe 5, and the detection pipe 5 is arranged in the first pipe hole 702 in a penetrating mode; afterbody sealing member 8 still includes sealing nut 9, and threaded connection rod 6 wears to establish in the second tube hole of afterbody sealing member 8, and the threaded connection rod 6 threaded connection who extends to the afterbody sealing member 8 outside has sealing nut 9, is provided with sealed pad 11 between afterbody sealing member 8 and the sealing nut 9.
The one end that the check tube 5 was kept away from to threaded connection pole 6 extends outside heat exchange tube 3 and afterbody sealing member 8, and the threaded connection pole 6 threaded connection that extends to the 8 outsides of afterbody sealing member has sealing nut 9, and afterbody sealing member 8 body, threaded connection pole 6 and sealing nut 9 are sealed heat exchange tube 3 with the one end of keeping away from by ball valve 2, are convenient for seal and look for leaks.
A sealing ring 10 is arranged in a sealing ring groove 701 of the end sealing element 7, the sealing ring 10 is an O-shaped sealing ring 10, and the sealing ring 10 of the end sealing element 7 is tightly attached to the adjacent heat exchange pipeline 3 to play a role in sealing; the sealing ring groove 701 of the tail sealing element 8 is also provided with a sealing ring 10, and the sealing ring 10 of the tail sealing element 8 is tightly attached to the adjacent heat exchange pipeline 3 to play a role in sealing.
The gasket 11 is a polytetrafluoroethylene gasket 11. The gasket 11 is used for sealing between the tail seal 8 and the sealing nut 9.
The working steps are as follows: a tail sealing element 8, a sealing gasket 11 and a sealing nut 9 are sequentially arranged on the threaded connecting rod 6, and the sealing nut 9 is screwed by a wrench, so that the end sealing element 7 is completely attached to an O-shaped sealing ring 10 of the tail sealing element 8, and the sealing effect on a pipe opening and an expansion opening is achieved;
the manual hydraulic press 1 is used for suppressing pressure and cutting off a water source during a hydraulic test, the tightness of a valve and a related interface is checked, and misjudgment of the test caused by internal leakage of a sealing gasket 11 and the valve is prevented;
after all connecting parts are reliably connected, a manual hydraulic press 1 is used for injecting water into the pipeline to increase the pressure to 0.5MPa, then an end sealing element 7, a tail sealing element 8, joints of various pipeline meters, a welding surface and the like are observed to see whether leakage exists or not, and a hydraulic test is started after the whole pipeline test device is reliably sealed;
and carrying out a pressure maintaining test of 0.75MPa for 2 minutes on the single heat exchange tube of the hydrogen cooler, wherein the qualified standard is that the pressure does not change or decrease in 2 minutes, the single heat exchange tube 3 is recorded and photographed, and the leakage of all the heat exchange tubes 3 of the hydrogen cooler is checked one by one through hydrostatic tests.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Claims (5)
1. The utility model provides a single pressure measurement test device of generator hydrogen cooler heat pipe, includes manual hydraulic press (1) through the pipeline intercommunication and ends ball valve (2), its characterized in that: still including wearing to establish the water injection member in heat exchange tube (3), water injection member one end is through pipeline and cut off ball valve (2) intercommunication, the both ends of heat exchange tube (3) are respectively through sealing device and water injection member sealing connection, are located the water injection member in heat exchange tube (3) is provided with water filling port (501), the water injection member with cut off and be provided with manometer (4) between ball valve (2).
2. The pressure detection test device for the single heat conduction pipe of the hydrogen cooler of the generator according to claim 1, characterized in that: the water injection member piece includes test tube (5) and threaded connection pole (6), the one end of test tube (5) is passed through the pipeline and is communicate with by ball valve (2), the other end and the threaded connection pole (6) of test tube (5) are connected, water filling port (501) set up on test tube (5).
3. The pressure detection test device for the single heat conduction pipe of the hydrogen cooler of the generator according to claim 2, characterized in that: the sealing device comprises an end sealing element (7) and a tail sealing element (8) which are identical in structure, wherein the end sealing element (7) is provided with a sealing ring groove (701) and a first pipe hole (702) matched with the detection pipe (5), and the detection pipe (5) is arranged in the first pipe hole (702) in a penetrating mode; the threaded connecting rod (6) penetrates through a second pipe hole of the tail sealing piece (8), and the threaded connecting rod (6) extending to the outer side of the tail sealing piece (8) is connected with a sealing nut (9) in a threaded mode.
4. The pressure detection test device for the single heat conduction pipe of the hydrogen cooler of the generator as claimed in claim 3, wherein: and sealing rings (10) are respectively arranged in sealing ring grooves (701) of the end sealing element (7) and the tail sealing element (8), and the sealing rings (10) are tightly attached to the heat exchange pipeline (3).
5. The pressure detection test device for the single heat conduction pipe of the hydrogen cooler of the generator as claimed in claim 3, wherein: and a sealing gasket (11) is arranged between the tail sealing element (8) and the sealing nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220781640.0U CN216978299U (en) | 2022-04-06 | 2022-04-06 | Pressure detection test device for single heat conduction pipe of generator hydrogen cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220781640.0U CN216978299U (en) | 2022-04-06 | 2022-04-06 | Pressure detection test device for single heat conduction pipe of generator hydrogen cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978299U true CN216978299U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220781640.0U Active CN216978299U (en) | 2022-04-06 | 2022-04-06 | Pressure detection test device for single heat conduction pipe of generator hydrogen cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978299U (en) |
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2022
- 2022-04-06 CN CN202220781640.0U patent/CN216978299U/en active Active
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