CN217637883U - Leakage detection device for hydrogen cooler of generator - Google Patents
Leakage detection device for hydrogen cooler of generator Download PDFInfo
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- CN217637883U CN217637883U CN202221825236.5U CN202221825236U CN217637883U CN 217637883 U CN217637883 U CN 217637883U CN 202221825236 U CN202221825236 U CN 202221825236U CN 217637883 U CN217637883 U CN 217637883U
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- cooling tube
- hydrogen cooler
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- cooling
- generator
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Abstract
The utility model relates to a leak hunting device for generator hydrogen cooler, including dismantling the air feed subassembly that sets up in the hydrogen cooler top, the air feed subassembly is provided with the sealed lid that is used for sealed cooling tube lower port including the air supply pipe, pressure monitoring table, bellows box and a plurality of and the cooling tube sleeve of cooling tube looks adaptation that communicate in proper order, hydrogen cooler below, and it has water to fill between hydrogen cooler casing and the cooling tube outer wall. The utility model discloses an air feed subassembly is used for supplying compressed air to the cooling tube in, the cooling tube has if to leak, the air can be followed the leakage mouth and discharged, observe the combustion gas bubble between hydrogen cooler casing and the cooling tube outer wall, confirm the cooling tube of leaking, still can dismantle air feed subassembly and transversely or vertically pressurize the investigation once more to the cooling tube, and then also can investigate surplus cooling tube, need not demolish a large amount of connecting pieces and sealing member between the cooling tube, also need not an investigation cooling tube, the detachable mode is simple, high work efficiency.
Description
Technical Field
The utility model relates to a hydrogen cooler is looked for and is leaked and technical field specifically indicates a be used for generator hydrogen cooler to look for device that leaks.
Background
The hydrogen cooler is an important component of the hydrogen-cooled generator, and leakage of the hydrogen cooler is inevitable along with natural deterioration of equipment and influences of factors such as corrosion of copper pipes and vibration of a machine base caused by poor water quality of cooling water during operation. The leakage of the water pipe of the hydrogen cooler is one of the main reasons for the internal leakage of the hydrogen of the generator, and directly threatens the running safety of the generator. The traditional and conventional leakage detection method is to stop the unit, extract the cooler from the generator body after hydrogen replacement, and perform water-feeding and pressurizing confirmation on one cooling pipe at a time.
The traditional leak detection method needs to disassemble a large number of connecting fixing parts and sealing parts around the cooling pipe, the workload is large, moreover, the leak detection is only carried out on one cooling pipe at a time, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
For solving not enough among the prior art, the utility model provides a be used for generator hydrogen cooler to look for hourglass device can whole row or permutation look for hourglass to the cooling tube, and the detachable mode is simple, and work efficiency is high.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: the utility model provides a be used for generator hydrogen cooler to look for device that leaks, is including dismantling the air feed subassembly that sets up in the hydrogen cooler top, and the air feed subassembly is provided with the sealed lid that is used for sealed cooling tube lower port including air supply pipe, pressure monitoring table, bellows box and a plurality of and the cooling tube sleeve of cooling tube looks adaptation that communicate in proper order, hydrogen cooler below, and it has water to fill between hydrogen cooler casing and the cooling tube outer wall.
The hydrogen cooler is firstly detached from the inside of an engine, two sides of an air supply assembly are detachably arranged on a flange of the hydrogen cooler, water is filled between a shell of the hydrogen cooler and the outer wall of a cooling pipe, the water surface is lower than an upper port of the cooling pipe, one end of the air supply pipe is connected with an external air compressor, the other end of the air supply pipe is communicated with an air box, a pressure monitoring table is arranged in the middle of the air supply pipe and used for detecting pressure, a plurality of cooling pipe sleeves are equidistantly and parallelly communicated and arranged below the air box, the cooling pipe sleeves are matched with one or one row of cooling pipes and used for detecting whether the cooling pipes leak or not in a whole row or whole row, the air supply assembly is used for compressing air into the cooling pipes, proper air pressure is adjusted in a cooling pipe bearing range, the lower ends of the whole row or whole row of cooling pipes to be detected are sealed, the cooling pipes are in proper pressurizing pressure environment, if the cooling pipes leak, air can be discharged from a leakage port, air bubbles discharged between the shell of the hydrogen cooler and the outer walls of the cooling pipes can be observed, the position of the air supply assembly is recorded, if only the approximate position can be determined, the cooling pipes can be transversely or longitudinally disassembled, then the cooling pipes, and a large number of cooling pipes can be checked again without simply, and a surplus of the cooling pipes can be checked, and a high-efficiency connection piece can be checked, and a high-cooling pipe can be checked.
Preferably, the air supply assembly further comprises clamping portions arranged on two sides of the air box, each clamping portion comprises an L-shaped clamping plate, a suspension rod and a compression spring, one end of each suspension rod is rotatably arranged on the air box, the other end of each suspension rod is vertically connected with the L-shaped clamping plate, and the compression springs are arranged between the short plates of the L-shaped clamping plates and the lower end faces of the flanges of the hydrogen coolers.
The lower end of one side of the air box is provided with a rotating groove, the top surface of the rotating groove is provided with a circular groove, the upper end of the suspension rod is rotatably arranged in the rotating groove, the upper end of the suspension rod is provided with a boss which is rotatably arranged in the circular groove and used for preventing the suspension rod from being separated from the rotating groove, the lower end of the suspension rod is connected with a long plate of the L-shaped clamping plate, the compression spring is arranged on a short plate of the L-shaped clamping plate and tightly propped between the short plate of the L-shaped clamping plate and the lower end face of a flange of a hydrogen cooler and used for clamping the air supply assembly on the flange of the hydrogen cooler; when the hydrogen cooler needs to be disassembled, the L-shaped clamping plate is rotated to enable the compression spring to be far away from the lower end face of the flange of the hydrogen cooler.
Preferably, the plurality of cooling tube sleeves are provided at the lower end of the bellows box in correspondence with the cooling tubes, and a seal ring is sealingly provided between the cooling tube sleeves and the upper ports of the cooling tubes.
The cooling tube sleeve is correspondingly sleeved at the upper end of the cooling tube, the inner wall of the cooling tube sleeve is provided with a sealing ring, and the sealing ring is used for preventing compressed air of the cooling tube from leaking outwards.
Preferably, the bellows box comprises an upper box body and a lower box body which are connected in an upper-lower sealing mode, the upper portion of the upper box body is connected with an air compressor on one side through an air supply pipe, and the lower box body is provided with a plurality of through holes matched with the cooling pipe sleeve in the length direction.
Go up box body and lower box body fixed sealing connection, go up the box body and be used for connecting air compressor and send pressurized air to a plurality of cooling tube sleeve, send to the cooling tube side by side in by the cooling tube sleeve again, lower box body is used for connecting a plurality of cooling tube sleeves that set up side by side.
Preferably, the fixing plate of the cooling pipe is provided with an observation opening.
The fixing plate of the cooling pipe is used for fixedly connecting the plurality of cooling pipes, and the fixing plate is provided with an observation opening to facilitate observation of the position of bubbles leaked from the cooling pipe.
Preferably, the upper end of the compression spring is provided with a pressure plate, and the pressure plate is positioned between the compression spring and the lower end face of the flange.
Preferably, the air supply assembly further comprises a connecting bolt, and the connecting bolt vertically penetrates through the L-shaped clamping plate and the compression spring in sequence and is connected to the lower end face of the air box in a threaded mode.
According to the actual material of cooling tube and working experience, further install the air feed subassembly in the flange outside of hydrogen cooler through connecting bolt, improve the stability of air feed subassembly, monitor pressure monitoring table to suitable pressure, look for the hourglass.
Contrast prior art, the beneficial effects of the utility model reside in that: the air supply assembly is used for supplying compressed air to the cooling pipe, the proper air pressure is adjusted within the bearing range of the cooling pipe, the lower ends of the whole row or the whole column of cooling pipes to be detected are sealed, the cooling pipe is in a proper pressurizing pressure environment, if the cooling pipe leaks, air can be discharged from a leakage port, bubbles discharged between the shell of the hydrogen cooler and the outer wall of the cooling pipe are observed, the position of the bubbles is recorded, the leaked cooling pipe is determined according to the position of the bubbles, if only the approximate position can be determined, the air supply assembly is disassembled, transversely or longitudinally, the cooling pipe is pressurized and inspected again, then the rest cooling pipes can be inspected, a large number of connecting pieces and sealing pieces between the cooling pipes do not need to be disassembled, one inspection cooling pipe is not needed, the detachable mode is simple, and the working efficiency is high;
the cooling pipe sleeve is correspondingly sleeved at the upper end of the cooling pipe, and the inner wall of the cooling pipe sleeve is provided with a sealing ring which is used for preventing compressed air of the cooling pipe from leaking outwards;
according to the actual material and the working experience of the cooling pipe, the gas supply assembly is further installed on the outer side of the flange of the hydrogen cooler through the connecting bolts, and the stability of the gas supply assembly is improved.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view of the structure from A to A in FIG. 1 of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 of the present invention;
FIG. 4 is a schematic sectional view of the structure of the utility model shown in FIG. 1 from B-B;
fig. 5 is an enlarged schematic structural diagram of the position B in fig. 4 of the present invention.
Reference numerals shown in the drawings: 1. a hydrogen gas cooler; 101. a cooling tube; 102. a flange; 2. a gas supply pipe; 3. A pressure monitoring meter; 4. a bellows box; 401. an upper box body; 402. a lower box body; 5. a cooling tube sleeve; 6. a sealing cover; 7. an air compressor; 8. an L-shaped clamping plate; 9. a suspension rod; 10. a compression spring; 11. a seal ring; 12. an observation opening; 13. pressing a plate; 14. a connecting bolt; 15. a platform.
Detailed Description
The following specific embodiment that combines, further illustrate the utility model discloses, as shown in fig. 1 ~ 5, a be used for generator hydrogen cooler to look for device that leaks, including dismantling the air feed subassembly that sets up in 1 top of hydrogen cooler, the air feed subassembly is including the air supply pipe 2 that communicates in proper order, pressure monitoring table 3, bellows box 4 and a plurality of and cooling tube 101 looks adaptation's cooling tube sleeve 5, and 1 below of hydrogen cooler is provided with the sealed lid 6 that is used for sealed port under the cooling tube 101, and it has water to fill between 1 casing of hydrogen cooler and the cooling tube 101 outer wall.
The two sides of the air supply component are detachably arranged on a flange 102 of the hydrogen cooler 1, a sealing cover 6 for sealing a lower port of the cooling pipe 101 is arranged below the hydrogen cooler 1, the sealing cover 6 and the lower end of the cooling pipe 101 of the hydrogen cooler 1 are provided with sealing gaskets, water is filled between the shell of the hydrogen cooler 1 and the outer wall of the cooling pipe 101, the water surface is lower than the upper port of the cooling pipe 101, one end of an air supply pipe 2 is connected with an external air compressor 7, the other end of the air supply pipe is communicated with an air box 4, a pressure monitoring meter 3 is arranged in the middle of the air supply pipe 2 and used for detecting pressure, a plurality of cooling pipe sleeves 5 are communicated in parallel at equal intervals and arranged below the air box 4, the plurality of cooling pipe sleeves 5 are matched with one row or one row of cooling pipes 101 and used for detecting whether the cooling pipes 101 leak in the whole row or whole row, the air supply component is used for supplying compressed air to the cooling pipes 101, adjusting suitable air pressure and bearing the within range at cooling tube 101, the whole row or whole row of cooling tube 101 lower extreme that wait to detect is sealed, be in suitable pressurization pressure environment in cooling tube 101, if cooling tube 101 has leaked, the air can be followed the leakage hole and discharged, observe the gas bubble of discharge between 1 casing of hydrogen cooler and the cooling tube 101 outer wall, record the bubble position, according to the bubble position, confirm the cooling tube 101 of leakage, if can only confirm roughly the position, dismantle air feed subassembly horizontal or vertically to cooling tube 101 pressurization investigation once more, and then also can investigate remaining cooling tube 101, need not demolish a large amount of connecting pieces and sealing member between the cooling tube 101, also need not an investigation cooling tube 101, the detachable mode is simple, high work efficiency.
The air supply assembly further comprises clamping portions arranged on two sides of the air box 4, each clamping portion comprises an L-shaped clamping plate 8, a suspension rod 9 and a compression spring 10, one end of each suspension rod 9 is rotatably arranged on the air box 4, the other end of each suspension rod 9 is vertically connected with the L-shaped clamping plate 8, and the compression springs 10 are arranged between short plates of the L-shaped clamping plates 8 and the lower end faces of the flanges 102 of the hydrogen coolers 1. The lower end of one side of the wind box 4 is provided with a rotating groove, the upper end of the suspension rod 9 is rotatably arranged in the rotating groove, the upper end of the suspension rod 9 is provided with a boss for preventing the suspension rod 9 from being separated from the rotating groove, the lower end of the suspension rod 9 is connected with the long plate of the L-shaped clamping plate 8, the compression spring 10 is arranged on the short plate of the L-shaped clamping plate 8, and the compression spring 10 is tightly propped between the short plate of the L-shaped clamping plate 8 and the lower end face of the flange 102 of the hydrogen cooler 1 and used for clamping the gas supply assembly on the flange 102 of the hydrogen cooler 1; when disassembly is required, the L-shaped clamping plate 8 is rotated to move the compression spring 10 away from the lower end face of the flange 102 of the hydrogen cooler 1. The upper end of the compression spring 10 is provided with a pressure plate 13, and the pressure plate 13 is positioned between the compression spring 10 and the lower end surface of the flange 102.
The plurality of cooling pipe sleeves 5 are provided at the lower end of the bellows box 4 corresponding to the cooling pipes 101, and a seal ring 11 is sealingly provided between the cooling pipe sleeves 5 and the upper ports of the cooling pipes 101. The cooling tube sleeve 5 is correspondingly sleeved at the upper end of the cooling tube 101, a sealing ring 11 is arranged on the inner wall of the cooling tube sleeve 5, and the sealing ring 11 is used for preventing the compressed air of the cooling tube 101 from leaking outwards.
The fixing plate of the cooling pipe 101 is provided with an observation opening 12, the position of the observation opening 12 is opened according to the detected position of the cooling pipe 101, the fixing plate of the cooling pipe 101 is a plate for fixedly connecting a plurality of cooling pipes 101, and the observation opening 12 is opened in the fixing plate to facilitate observation of the position of bubbles leaking from the cooling pipe 101.
The air supply assembly further comprises a connecting bolt 14, and the connecting bolt 14 vertically penetrates through the L-shaped clamping plate 8 and the compression spring 10 in sequence and is in threaded connection with the lower end face of the bellows box 4.
According to the actual material and the working experience of cooling tube 101, further install the air feed subassembly in the flange 102 outside of hydrogen cooler 1 through connecting bolt 14, improve the stability of air feed subassembly, monitor pressure monitoring table 3 to suitable pressure, look for the leakage.
The working principle is as follows: a plurality of cooling tube sleeves 5 are fastened on one row or one row of cooling tubes 101, the short plate of the L-shaped clamping plate 8 is rotated, the compression spring 10 is tightly pressed between the short plate of the L-shaped clamping plate 8 and the lower end face of the flange 102 of the hydrogen cooler 1, the connecting bolt 14 is screwed down, the air compressor 7 is started to adjust proper air pressure, the numerical value of the pressure monitoring table 3 is observed at any time, if the numerical value of the pressure monitoring table 3 is reduced, bubbles appear on the outer side of the cooling tubes, the bubble position is recorded, the specific position can be confirmed again in a row or one row mode by the detachable air supply assembly, the bubble position can be confirmed, and the leakage phenomenon of other cooling tubes can be further detected.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, 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 teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Claims (7)
1. The utility model provides a be used for generator hydrogen cooler to look for device that leaks which characterized in that: including dismantling the air feed subassembly that sets up in hydrogen cooler (1) top, the air feed subassembly is including air supply pipe (2), pressure monitoring table (3), bellows box (4) and a plurality of and cooling tube sleeve (5) of cooling tube (101) looks adaptation that communicate in proper order, hydrogen cooler (1) below is provided with sealed lid (6) that are used for sealed cooling tube (101) lower port, it has water to fill between hydrogen cooler (1) casing and cooling tube (101) outer wall.
2. The hydrogen cooler leak detection device for the generator as claimed in claim 1, wherein: the air supply assembly is characterized by further comprising clamping portions arranged on two sides of the bellows box (4), each clamping portion comprises an L-shaped clamping plate (8), a suspension rod (9) and a compression spring (10), one end of each suspension rod (9) is rotatably arranged on the bellows box (4), the other end of each suspension rod (9) is vertically connected with the L-shaped clamping plate (8), and the compression springs (10) are arranged between the end faces of the short plates of the L-shaped clamping plates (8) and the flanges (102) of the hydrogen coolers (1).
3. The leakage detection device for the hydrogen cooler of the generator as claimed in claim 1, wherein: a plurality of cooling tube sleeves (5) and cooling tubes (101) are correspondingly arranged at the lower end of the air box (4), and sealing rings (11) are arranged between the cooling tube sleeves (5) and the upper end openings of the cooling tubes (101) in a sealing manner.
4. The hydrogen cooler leak detection device for the generator as claimed in claim 2, wherein: bellows box (4) are including last box body (401) and lower box body (402) of upper and lower sealing connection, go up box body (401) top and be connected with air compressor (7) of one side through air supply pipe (2), box body (402) are seted up a plurality of through-holes with cooling tube sleeve (5) looks adaptation down along length direction.
5. The hydrogen cooler leak detection device for the generator as claimed in claim 4, wherein: an observation opening (12) is formed in the fixing plate of the cooling pipe (101).
6. The hydrogen cooler leak detection device for the generator as claimed in claim 2, wherein: the upper end of the compression spring (10) is provided with a pressing plate (13), and the pressing plate (13) is located between the compression spring (10) and the lower end face of the flange (102).
7. The hydrogen cooler leak detection device for the generator as claimed in claim 6, wherein: the air supply assembly further comprises a connecting bolt (14), and the connecting bolt (14) vertically penetrates through the L-shaped clamping plate (8), the compression spring (10) and is in threaded connection with the lower end face of the air box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221825236.5U CN217637883U (en) | 2022-07-15 | 2022-07-15 | Leakage detection device for hydrogen cooler of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221825236.5U CN217637883U (en) | 2022-07-15 | 2022-07-15 | Leakage detection device for hydrogen cooler of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217637883U true CN217637883U (en) | 2022-10-21 |
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ID=83634661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221825236.5U Active CN217637883U (en) | 2022-07-15 | 2022-07-15 | Leakage detection device for hydrogen cooler of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217637883U (en) |
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2022
- 2022-07-15 CN CN202221825236.5U patent/CN217637883U/en active Active
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