CN219589894U - Portable oil cooler leak detection device - Google Patents
Portable oil cooler leak detection device Download PDFInfo
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- CN219589894U CN219589894U CN202320943843.XU CN202320943843U CN219589894U CN 219589894 U CN219589894 U CN 219589894U CN 202320943843 U CN202320943843 U CN 202320943843U CN 219589894 U CN219589894 U CN 219589894U
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- metal sleeve
- oil cooler
- detection device
- leak detection
- glass window
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Abstract
The portable oil cooler leak detection device comprises a metal sleeve, wherein the lower end of the metal sleeve is provided with a lower joint, and the lower joint is used for connecting an evacuation valve positioned on the upper side of the oil cooler; the upper end of the metal sleeve is provided with a plurality of exhaust holes along the circumference thereof, and the exhaust holes are used for exhausting air in the metal sleeve so that circulating cooling water in the oil cooler can flow into the metal sleeve; the side wall of the metal sleeve is provided with a mounting groove, and a glass window is arranged in the mounting groove. The utility model can realize the rapid judgment of whether the oil cooler leaks oil or not.
Description
Technical Field
The utility model relates to the technical equipment field of maintenance and inspection of leaked oil of an oil cooler, in particular to a portable leakage detection device of the oil cooler.
Background
The oil cooler is turbine oil cooling equipment matched with a steam turbine in an electric power system, is a light pipe surface type, and adopts circulating water as a ring to realize heat exchange, so that the oil temperature of a bearing inlet is ensured to reach a specified value, and the normal operation of a unit is ensured. The oil cooler may leak oil during the operation of the steam turbine, and the cooling oil leak oil may threaten the safe and stable operation of the unit. Therefore, in order to ensure the normal and stable operation of the unit, it is necessary to check whether the oil cooler leaks oil or not.
Because the oil side pressure is higher than the water side pressure, the lubricating oil leaked by the oil cooler can flow into the circulating cooling water to cause environmental pollution. In the prior art, two methods for leak detection of an oil cooler are generally available, and the first method is as follows: firstly, opening a high-point vent valve on the water return side of the upper part of the oil cooler, then taking out water discharged by the vent valve from a container, and if oil flowers exist in the water, enabling the oil cooler to leak, switching the working oil cooler at the moment, and isolating and overhauling the leaked oil cooler; otherwise, if the water does not contain oil flowers, the oil cooler does not leak. Second kind: whether the oil cooler leaks oil or not can be judged by observing whether the oil level of the oil tank drops or not; if the oil level in the main oil tank is observed to be reduced in operation, the oil system is checked for no leakage in appearance, and whether the cooling water of the oil cooler contains oil flowers or not is checked.
However, in the prior art, because the water side in the oil cooler has larger pressure, in the process of opening the air vent valve for draining in the first leak detection method, a large amount of circulating cooling water is easy to splash, and the operation of taking water from the container is affected. Before the second leak detection method is carried out, the oil coolers are required to be isolated one by one, whether the oil level of the oil tank is lowered or not is observed, the workload of workers is large, and the working efficiency is low. Secondly, according to two leak detection methods, the leak detection needs to be matched by multiple people, so that the expenditure of labor cost is increased.
Disclosure of Invention
The utility model aims to provide a portable oil cooler leakage detection device which can realize quick judgment of whether an oil cooler leaks oil or not.
In order to solve the technical problems, the utility model adopts the specific scheme that the portable oil cooler leak detection device comprises: the oil cooler comprises a metal sleeve, wherein the lower end of the metal sleeve is provided with a lower joint, and the lower joint is used for connecting an exhaust valve positioned on the upper side of the oil cooler; the upper end of the metal sleeve is provided with a plurality of exhaust holes along the circumference thereof, and the exhaust holes are used for exhausting air in the metal sleeve so that circulating cooling water in the oil cooler can flow into the metal sleeve; the side wall of the metal sleeve is provided with a mounting groove, and a glass window is arranged in the mounting groove.
As an optimization scheme of the portable oil cooler leak detection device, the following is adopted: the lower joint is an internal thread joint, the internal thread joint comprises a lower connecting pipe and a connecting nut, the connecting nut is fixedly arranged at one end of the lower connecting pipe far away from the metal sleeve, and the connecting nut is matched with an external thread arranged at the periphery of the evacuation valve in a threaded manner, so that the metal sleeve is connected with the evacuation valve.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the lower connecting pipe is a rigid pipe.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the lower joint is a hose, one end of the hose is fixedly connected with the lower end of the metal sleeve, and the other end of the hose is provided with a connecting nut in a rotating fit manner, and the connecting nut is used for connecting a valve of the evacuation valve.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the number of the exhaust holes is multiple, and the exhaust holes are uniformly distributed at intervals.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the number of the mounting grooves is two, and the two mounting grooves are distributed oppositely.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the inner side of the metal sleeve is attached to the inner side wall of the metal sleeve, and a round hole for air to pass through is formed in the air-permeable baffle.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the middle part of the glass window is rectangular distributed along the length direction of the metal sleeve, and the two ends of the glass window are arc-shaped with two opposite arc openings.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the L-shaped step is arranged on the side edge of the glass window, and is clamped and assembled with the corresponding side of the mounting groove on the metal sleeve, so that the L-shaped step on the short side of the glass window is matched with the metal sleeve in an abutting mode, and the L-shaped step on the long side of the glass window is attached to the inner side wall of the corresponding side metal sleeve.
As another optimization scheme of the portable oil cooler leak detection device, the following one is adopted: the joint of the side edge of the glass window and the metal sleeve is coated with epoxy resin adhesive.
Compared with the prior art, the utility model has the following beneficial effects:
1. the metal sleeve is connected with the exhaust valve at the upper side of the oil cooler through the lower joint, and after the metal sleeve is communicated with the exhaust valve, circulating cooling water is sprayed into the metal sleeve along with the communication of the metal sleeve and the exhaust valve due to the fact that the water side in the oil cooler is provided with larger pressure, and air in the metal sleeve is discharged from the exhaust hole arranged at the top of the metal sleeve along with the inflow of the circulating cooling water. Because of the difference of oil and water densities, workers can clearly observe whether the circulating cooling water contains oil flowers through the glass window arranged in the metal sleeve, thereby realizing the rapid judgment of whether the oil cooler leaks oil or not and improving the working efficiency of leak detection.
2. The main components of the device are a metal sleeve, a glass window, a lower connector and an exhaust hole, the whole structure is simple, the device is portable and easy to operate, one person can complete the leak detection work, and meanwhile, workers can conveniently and regularly detect the oil cooler, so that the environment is prevented from being polluted by a large amount of leakage of lubricating oil in the oil cooler.
3. In the preferred embodiment of the utility model, the arrangement of the ventilation water baffle can reduce the splashing amount of the circulating cooling water after the valve of the evacuation valve is opened, so that workers can be less stained with water, the leakage detection operation can be conveniently carried out manually, and the arrangement of the ventilation water baffle can prevent the splashing circulating cooling water from being in a relatively sealed space of the metal sleeve, thereby avoiding the environment pollution caused by splashing of the circulating cooling water.
4. In the preferred embodiment of the utility model, the side edge of the glass window is an L-shaped step, the short edge of the L-shaped step is in abutting fit with the side edge of the mounting groove in the corresponding side metal sleeve, and the long edge of the L-shaped step is attached to the inner side wall of the corresponding side metal sleeve, so that the glass window is firmly mounted in the mounting groove, and the glass window is prevented from loosening under the impact of circulating cooling water.
Drawings
Fig. 1 is a schematic diagram of the front view structure of embodiment 1;
reference numerals: 1. metal sleeve, 101, mounting groove, 2, glass window, 3, lower joint, 301, lower take over, 302, coupling nut, 4, exhaust hole, 5, ventilative breakwater.
Detailed Description
The technical solution of the present utility model will be further described in detail with reference to the specific embodiments, and the parts of the present utility model, which are not described in detail in the following embodiments, such as the fixing of the joint 3 to the metal sleeve 1 and the communication with the metal sleeve 1, should be immediately known to those skilled in the art, or should be known to those skilled in the art.
Example 1
As shown in fig. 1, the portable oil cooler leak detection device comprises a metal sleeve 1, wherein a lower joint 3 is fixedly welded at the bottom of the metal sleeve 1, and the lower joint 3 is used for being connected with an evacuation valve on the upper side of the oil cooler. The lower joint 3 is an internal thread joint, the lower joint 3 comprises a lower connecting pipe 301, the lower connecting pipe 301 is a rigid pipe, the upper end of the lower connecting pipe 301 is fixed on the bottom surface of the metal sleeve 1, a connecting nut 302 is fixedly arranged at the lower end of the lower connecting pipe 301, internal threads are formed in the inner side wall of the connecting nut 302, the connecting nut 302 can be in threaded connection with external threads arranged on an evacuation valve along with rotation of the metal sleeve 1, connection of the metal sleeve 1 and the evacuation valve is achieved, and then circulating cooling water in an oil cooler flows into the metal sleeve 1 through the lower joint 3 along with discharge of air in the metal sleeve 1.
The metal sleeve 1 is provided with exhaust holes 4 in the top periphery of the lower joint 3 in opposite directions, the number of the exhaust holes 4 is a plurality of, and the exhaust holes 4 are uniformly distributed at intervals along the circumference of the metal sleeve, so that air in the metal sleeve 1 is timely discharged through the exhaust holes 4. The air-permeable water baffle 5 is arranged below the exhaust hole 4 in the top of the metal sleeve 1, the air-permeable water baffle 5 is a circular plate with the outer side completely attached to the inner side wall of the metal sleeve 1, and a circular hole for air to enter the top of the metal sleeve 1 is formed in the circular plate. The ventilation water baffle 5 can prevent circulating cooling water from entering the top of the metal sleeve 1, and simultaneously can enable air to enter the top of the metal sleeve 1 through the round holes and be discharged through the plurality of exhaust holes 4.
Because the water side in the oil cooler has certain pressure, more circulating cooling water is sprayed out when the valve of the evacuation valve is opened, the sprayed circulating cooling water enters the metal sleeve 1, the air in the metal sleeve 1 is pushed to rise and is discharged through the exhaust hole 4, the ventilation water baffle 5 can realize the air rising and prevent the circulating cooling water from continuously rising and being discharged from the exhaust hole 4, and the ventilation water baffle 5 can reduce the splashing amount of the circulating cooling water after the valve of the evacuation valve is opened, so that the staff can be less stained with water, and the leakage detection operation is convenient for the worker.
Two mounting grooves 101 are symmetrically formed in the side wall of the metal sleeve 1, and the two mounting grooves 101 are distributed oppositely. The transparent glass window 2 is installed in the installation groove 101, and the shape of the glass window 2 is consistent with that of the installation groove 101, so that the glass window 2 is installed in the installation groove 101 in a sealing manner, a worker can directly observe whether oil is contained in circulating cooling water in the metal sleeve 1 or not through the glass window 2, whether oil leakage in the oil cooler is judged rapidly, and the working efficiency is improved. The upper and lower ends of the glass window 2 are arc-shaped, and the arc openings at the upper and lower ends of the glass window 2 are distributed relatively. The middle part of the corresponding glass window 2 is rectangular, and both sides of the glass window 2 in the middle part are distributed along the length direction of the metal sleeve 1.
The L-shaped step for being clamped and combined with the corresponding side of the mounting groove 101 on the metal sleeve 1 is arranged on the side edge of the glass window 2, the short edge of the L-shaped step on the glass window 2 is in butt joint with the corresponding side of the metal sleeve 1, the long edge of the L-shaped step on the glass window 2 is attached to the inner side wall of the corresponding side of the metal sleeve 1, epoxy resin adhesive is coated on the side edge of the L-shaped step on the glass window 2 and the corresponding side of the metal sleeve 1, the epoxy resin adhesive can firmly adhere the glass window 2 in the mounting groove 101, and the arrangement of the L-shaped step on the glass window 2 can prevent the glass window 2 from loosening under the impact of circulating cooling water.
The specific implementation mode is as follows: the connection nut 302 on the lower joint 3 is aligned with the valve of the evacuation valve by the worker and rotated, and the connection of the metal sleeve 1 with the valve of the evacuation valve is completed through the lower joint 3. Then, under the action of the side pressure of the water in the oil cooler, circulating cooling water in the oil cooler flows into the metal sleeve 1 through the lower joint 3, and a worker can judge whether the oil cooler leaks oil by observing whether the circulating cooling water contains oil flowers or not and judging whether the circulating cooling water contains the oil flowers or not; if the circulating cooling water does not contain oil flowers, judging that oil leakage does not occur in the oil cooler.
Example 2
The main structure of this embodiment is the same as that of embodiment 1, and the main differences are that: the lower joint 3 is a hose, the upper end of the hose is fixedly connected with the bottom surface of the metal sleeve 1, and the lower end of the hose is provided with a connecting nut 302 in a rotating fit manner, and the connecting nut is used for connecting a valve of the evacuation valve. The arrangement of the hose can reduce the rotation of the metal sleeve 1 when the connecting nut 302 is rotationally connected with the emptying valve, and a worker can complete the connection of the connecting nut 302 with the emptying valve only by rotating the hose.
Claims (10)
1. The utility model provides a portable oil cooler leak hunting device which characterized in that: the oil cooler comprises a metal sleeve (1), wherein a lower joint (3) is arranged at the lower end of the metal sleeve (1), and the lower joint (3) is used for connecting an evacuation valve positioned at the upper side of the oil cooler; the upper end of the metal sleeve (1) is provided with a plurality of exhaust holes (4) along the circumferential direction of the metal sleeve, and the exhaust holes (4) are used for exhausting air in the metal sleeve (1) so as to enable circulating cooling water in the oil cooler to flow into the metal sleeve (1); the side wall of the metal sleeve (1) is provided with a mounting groove (101), and a glass window (2) is arranged in the mounting groove (101).
2. The portable oil cooler leak detection device of claim 1, wherein: the lower connector (3) is an internal thread connector, the internal thread connector comprises a lower connecting pipe (301) and a connecting nut (302), the connecting nut (302) is fixedly arranged at one end of the lower connecting pipe (301) far away from the metal sleeve (1), and the connecting nut (302) is used for being matched with external threads arranged on the periphery of the evacuation valve in a threaded manner, so that the metal sleeve (1) is connected with the evacuation valve.
3. The portable oil cooler leak detection device of claim 2, wherein: the lower connecting pipe (301) is a rigid pipe.
4. The portable oil cooler leak detection device of claim 1, wherein: the lower joint (3) is a hose, one end of the hose is fixedly connected with the lower end of the metal sleeve (1), and the other end of the hose is provided with a connecting nut (302) for connecting the valve of the evacuation valve in a rotating fit manner.
5. The portable oil cooler leak detection device of claim 1, wherein: the number of the exhaust holes (4) is a plurality of, and the exhaust holes (4) are uniformly distributed at intervals.
6. The portable oil cooler leak detection device of claim 1, wherein: the number of the mounting grooves (101) is two, and the two mounting grooves (101) are distributed oppositely.
7. The portable oil cooler leak detection device of claim 1, wherein: an air-permeable water baffle (5) is arranged between the exhaust hole (4) and the glass window (2) in the metal sleeve (1), the air-permeable water baffle (5) is a circular plate, the side edge of the air-permeable water baffle (5) is attached to the inner side wall of the metal sleeve (1), and a circular hole for air to pass through is formed in the air-permeable water baffle (5).
8. The portable oil cooler leak detection device of claim 1, wherein: the middle part of the glass window (2) is rectangular distributed along the length direction of the metal sleeve (1), and the two ends of the glass window (2) are arc-shaped with two opposite arc openings.
9. The portable oil cooler leak detection device of claim 1, wherein: the L-shaped steps are arranged on the side edges of the glass window (2), and are clamped and combined with the corresponding sides of the mounting grooves (101) on the metal sleeve (1), so that the L-shaped steps on the short sides of the glass window (2) are in butt joint with the metal sleeve (1), and the L-shaped steps on the long sides of the glass window (2) are attached to the inner side walls of the corresponding side metal sleeve (1).
10. The portable oil cooler leak detection device of claim 1, wherein: the joint of the side edge of the glass window (2) and the metal sleeve (1) is coated with epoxy resin adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320943843.XU CN219589894U (en) | 2023-04-24 | 2023-04-24 | Portable oil cooler leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320943843.XU CN219589894U (en) | 2023-04-24 | 2023-04-24 | Portable oil cooler leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219589894U true CN219589894U (en) | 2023-08-25 |
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ID=87698093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320943843.XU Active CN219589894U (en) | 2023-04-24 | 2023-04-24 | Portable oil cooler leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219589894U (en) |
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2023
- 2023-04-24 CN CN202320943843.XU patent/CN219589894U/en active Active
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