Leakage detection device for oil cooler

Abstract

The utility model relates to the technical field of oil coolers, and provides an oil cooler leakage detection device which comprises an oil cooler body, a sealing plate is welded to one end of the oil cooler body, and a plurality of first through holes are formed in the top of the sealing plate at equal intervals. According to the leakage detection device for the oil cooler, oil liquid at the oil discharge outlet can be discharged by opening a flow guide pump, oil liquid in the oil cooler body can be guided to flow to the oil discharge outlet through a guide groove, vibration can be generated at the top of the oil cooler body through a knocking assembly, oil liquid remaining in the oil cooler body can be discharged easily, a sealing plate is coated with bubble water, and the leakage detection effect is good. After oil liquid in the oil cooler body is cleaned, the flow guide pump is closed, the air pump is started, pressure is applied to the interior of the oil cooler body through the air conveying pipe, if the cooling water pipe is broken, air can enter the cooling water pipe, bubble water at the first through hole and the second through hole can be bulged and broken through the air, a worker can be helped to rapidly determine the leakage detection position, and the leakage detection efficiency is improved. And the operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of oil coolers, and in particular to a leakage detection device for an oil cooler. Background Art

[0002] The oil cooler is a turbine oil cooling device used in conjunction with steam turbines in power systems. The oil cooler is a bare tube surface type that uses circulating water as a medium to achieve heat exchange, thereby ensuring that the bearing inlet oil temperature reaches the specified value and ensuring the normal operation of the unit.

[0003] After searching, the existing technology (Announcement No.: CN218295296U) is a tubular oil cooler, which states that "it includes a base, a cold oil pipe, an oil outlet plate, an oil inlet plate, an oil inlet pipe, a cooling mechanism and a collecting mechanism. The base is connected to the cold oil pipe, one side of the cold oil pipe is connected to the oil inlet plate, one side of the cold oil pipe is connected to the oil outlet plate, the oil inlet plate and the oil outlet plate are evenly provided with interconnected circular holes, and the circular holes pass through the entire cold oil pipe. The oil inlet plate is connected to the oil inlet pipe, one side of the cold oil pipe is connected to the cooling mechanism, and one side of the cold oil pipe is connected to the collecting mechanism." However, the existing technology cannot perform rapid leak detection, is inconvenient to operate, and will prolong the construction period. Therefore, it is very necessary to design a leak detection device for the oil cooler. Utility Model Content

[0004] The purpose of the utility model is to provide an oil cooler leakage detection device, which solves the problems in the related art that rapid leakage detection cannot be performed during use, the operation is inconvenient, and the construction period is prolonged.

[0005] The technical solution of the utility model is as follows:

[0006] The oil cooler leak detection device includes an oil cooler body, a sealing plate welded to one end of the oil cooler body, and a plurality of first through holes are equidistantly opened on the top of the sealing plate, and a plurality of second through holes are equidistantly opened on the bottom of the sealing plate, a cooling water pipe is welded on the first through hole, and the other end of the cooling water pipe is welded and fixed to the second through hole, an oil drain port is opened at the bottom center of the oil cooler body, a pair of guide grooves are opened at the bottom of the inner wall of the oil cooler body, a water outlet pipe is welded below the bottom of the oil drain port, and a guide pump is threadedly installed at the bottom of the water outlet pipe, a knocking assembly is provided on the top of the oil cooler body, an air inlet pipe is welded to the top center of the oil cooler body, an air pump is provided on the outside of the oil cooler body, and an air supply pipe is connected to the output end of the air pump, and the other end of the air supply pipe is connected to the air inlet pipe by a flange.

[0007] Preferably, the number of the first through holes and the second through holes are the same, and their positions correspond one to one, and the two guide grooves are respectively located on both sides of the oil drain port.

[0008] Preferably, the knocking assembly includes a bracket, a support plate, an impact block and an electric telescopic rod. Brackets are welded on both sides of the top end face of the oil cooler body, and a support plate is installed inside the bracket through a torsion spring shaft. The bottom end face of the support plate is welded with an impact block, and the electric telescopic rod is screwed to the top of the inner wall of the bracket.

[0009] Preferably, a slide groove is provided on the top end surface of the support plate, one end of the bottom of the electric telescopic rod is hemispherical, and the slide groove is semi-cylindrical.

[0010] Preferably, a water inlet pipe is mounted on one end of the oil cooler body via a flange, and a partition is welded at the center of the water inlet pipe, and the partition is located between the first through hole and the second through hole.

[0011] Preferably, a water supply pipe is welded to the top end face of the water inlet pipe, and a drainage pipe is welded to the bottom of the water inlet pipe, and both the water supply pipe and the drainage pipe are connected to the interior of the water inlet pipe.

[0012] Preferably, an oil delivery pipe is installed at the other end of the oil cooler body through a flange, and a valve is fixed at one end of the top of the oil delivery pipe.

[0013] Preferably, sealing rings are provided at both ends of the oil cooler body, and the two sealing rings are tightly fitted with the water inlet pipe and the oil delivery pipe respectively.

[0014] Beneficial effects of the utility model:

[0015] By opening the diversion pump, the oil at the oil drain port can be discharged, and the guide groove can be used to guide the oil in the oil cooler body to flow to the oil drain port. By knocking on the component, the top of the oil cooler body can be vibrated, which is conducive to the discharge of residual oil in the oil cooler body. Bubble water is coated on the sealing plate. When the oil in the oil cooler body is cleaned, the diversion pump is closed, and the air pump is started to apply pressure to the oil cooler body through the air pipe. If there is a rupture on the cooling water pipe, gas will enter the cooling water pipe. The gas will cause the bubble water at the first through hole and the second through hole to swell and rupture, which can help staff quickly determine the leak location and make the operation more convenient. At the same time, it shortens a lot of construction time and saves maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is an isometric view of the entire utility model;

[0018] Figure 2 This is the overall vertical cross-sectional view of the utility model;

[0019] Figure 3 This is the overall cross-sectional view of the utility model;

[0020] Figure 4 This is a schematic diagram of the sealing plate structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0022] In the figure: 1. Oil cooler body; 2. Sealing plate; 3. First through hole; 4. Second through hole; 5. Cooling water pipe; 6. Oil drain port; 7. Guide groove; 8. Diversion pump; 9. Knocking assembly; 91. Bracket; 92. Support plate; 93. Impact block; 94. Electric telescopic rod; 95. Slide; 10. Air inlet pipe; 11. Air pump; 12. Air pipe; 13. Water inlet pipe; 14. Partition; 15. Water pipe; 16. Drain pipe; 17. Oil pipe; 18. Valve; 19. Water outlet pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-5As shown, this embodiment proposes an oil cooler leak detection device, including an oil cooler body 1, a sealing plate 2 is welded to one end of the oil cooler body 1, and a plurality of first through holes 3 are equidistantly opened on the top of the sealing plate 2, a plurality of second through holes 4 are equidistantly opened on the bottom of the sealing plate 2, a cooling water pipe 5 is welded to the first through hole 3, and the other end of the cooling water pipe 5 is welded and fixed to the second through hole 4, an oil drain port 6 is opened in the center of the bottom of the oil cooler body 1, a pair of guide grooves 7 are opened at the bottom of the inner wall of the oil cooler body 1, a water outlet pipe 19 is welded below the bottom of the oil drain port 6, and a guide pump 8 is installed at the bottom of the water outlet pipe 19 through a thread, and the top of the oil cooler body 1 is provided with The knocking assembly 9, the top center of the oil cooler body 1 is welded with an air inlet pipe 10, the outside of the oil cooler body 1 is provided with an air pump 11, and the output end of the air pump 11 is plugged with an air delivery pipe 12, the other end of the air delivery pipe 12 is connected to the air inlet pipe 10 through a flange, the number of the first through holes 3 and the second through holes 4 is the same, and the positions correspond one to one, the two guide grooves 7 are respectively located on both sides of the oil drain port 6, the knocking assembly 9 includes a bracket 91, a support plate 92, a striker 93 and an electric telescopic rod 94, the top end face of the oil cooler body 1 is welded with a bracket 91 on both sides, and the inside of the bracket 91 is installed with a support plate 92 through a torsion spring shaft, and the bottom end face of the support plate 92 is welded with The impact block 93 and the top of the inner wall of the bracket 91 are screwed with an electric telescopic rod 94. The electric telescopic rod 94 pushes the support plate 92 downward, which will cause the impact block 93 to hit the top of the oil cooler body 1, causing the top of the oil cooler body 1 to vibrate, which is conducive to the discharge of residual oil in the oil cooler body 1. A slide groove 95 is provided on the top end surface of the support plate 92. The bottom end of the electric telescopic rod 94 is hemispherical, and the slide groove 95 is semi-cylindrical. The slide groove 95 can limit the downward rotation trajectory of the support plate 92. One end of the oil cooler body 1 is equipped with a water inlet pipe 13 through a flange, and a partition 14 is welded to the center of the water inlet pipe 13. The partition 14 is located at the first Between the through hole 3 and the second through hole 4, the water inlet pipe 13 can be separated by a partition 14. A water delivery pipe 15 is welded to the top end face of the water inlet pipe 13, and a drain pipe 16 is welded to the bottom of the water inlet pipe 13. Both the water delivery pipe 15 and the drain pipe 16 are connected to the interior of the water inlet pipe 13. Water can be delivered to the interior of the water inlet pipe 13 through the water delivery pipe 15, and the water after heat exchange can be discharged through the drain pipe 16. The other end of the oil cooler body 1 is equipped with an oil delivery pipe 17 through a flange, and a valve 18 is fixed to one end of the top of the oil delivery pipe 17. Sealing rings are provided at both ends of the oil cooler body 1, and the two sealing rings are tightly fitted with the water inlet pipe 13 and the oil delivery pipe 17 respectively.

[0025] In this embodiment, when in use, the valve 18 is closed, and the oil at the oil drain port 6 can be discharged by opening the diversion pump 8. The guide groove 7 can be used to guide the oil in the oil cooler body 1 to flow to the oil drain port 6. The electric telescopic rod 94 continuously and repeatedly pushes the support plate 92 downward, which makes the impact block 93 hit the top of the oil cooler body 1, causing the top of the oil cooler body 1 to vibrate, which is conducive to the discharge of the residual oil in the oil cooler body 1. Bubble water is applied to the sealing plate 2. When the oil in the oil cooler body 1 is cleaned, the diversion pump 8 is closed, and the air pump 11 is started to use the air pipe 12 to pump the oil into the oil cooler body 1. Apply pressure. If there is a rupture on the cooling water pipe 5, gas will enter the cooling water pipe 5. The gas will cause the bubble water at the first through hole 3 and the second through hole 4 to swell and burst, which can help the staff quickly determine the leak location, connect the water inlet pipe 13 and the oil delivery pipe 17 to the oil cooler body 1, and start the valve 18 to allow the oil to enter the oil cooler body 1 along the oil delivery pipe 17. The water inlet pipe 13 can be separated by the partition 14, and water can be sent to the inside of the water inlet pipe 13 through the water delivery pipe 15. The water flows into the cooling water pipe 5 from the first through hole 3 and is discharged from the second through hole 4, thereby achieving a heat exchange effect.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An oil cooler leak detection device, comprising an oil cooler body (1), characterized in that: A sealing plate (2) is welded to one end of the oil cooler body (1), and a plurality of first through holes (3) are equidistantly provided on the top of the sealing plate (2), and a plurality of second through holes (4) are equidistantly provided on the bottom of the sealing plate (2), a cooling water pipe (5) is welded to the first through hole (3), and the other end of the cooling water pipe (5) is welded and fixed to the second through hole (4), an oil drain port (6) is provided at the center of the bottom of the oil cooler body (1), and a pair of guide grooves (7) are provided at the bottom of the inner wall of the oil cooler body (1) A water outlet pipe (19) is welded below the bottom of the oil discharge port (6), and a guide pump (8) is installed at the bottom of the water outlet pipe (19) through a thread. A knocking assembly (9) is provided on the top of the oil cooler body (1). An air intake pipe (10) is welded at the center of the top of the oil cooler body (1). An air pump (11) is provided outside the oil cooler body (1), and an air supply pipe (12) is plugged into the output end of the air pump (11). The other end of the air supply pipe (12) is connected to the air intake pipe (10) through a flange.

2. The oil cooler leak detection device according to claim 1, characterized in that: The number of the first through holes (3) and the second through holes (4) are the same, and their positions correspond one to one, and the two guide grooves (7) are respectively located on both sides of the oil discharge port (6).

3. The oil cooler leak detection device according to claim 1, characterized in that: The knocking assembly (9) comprises a bracket (91), a support plate (92), a striking block (93) and an electric telescopic rod (94); the brackets (91) are welded to both sides of the top end surface of the oil cooler body (1); the support plate (92) is installed inside the bracket (91) via a torsion spring shaft; the striking block (93) is welded to the bottom end surface of the support plate (92); and the electric telescopic rod (94) is screwed to the top of the inner wall of the bracket (91).

4. The oil cooler leak detection device according to claim 3, characterized in that: A sliding groove (95) is provided on the top end surface of the support plate (92), one end of the bottom of the electric telescopic rod (94) is hemispherical, and the sliding groove (95) is semi-cylindrical.

5. The oil cooler leak detection device according to claim 1, characterized in that: A water inlet pipe (13) is mounted on one end of the oil cooler body (1) via a flange, and a partition (14) is welded to the center of the water inlet pipe (13), wherein the partition (14) is located between the first through hole (3) and the second through hole (4).

6. The oil cooler leak detection device according to claim 5, characterized in that: A water delivery pipe (15) is welded to the top end face of the water inlet pipe (13), and a drainage pipe (16) is welded to the bottom of the water inlet pipe (13). Both the water delivery pipe (15) and the drainage pipe (16) are in communication with the interior of the water inlet pipe (13).

7. The oil cooler leak detection device according to claim 1, characterized in that: An oil delivery pipe (17) is mounted on the other end of the oil cooler body (1) via a flange, and a valve (18) is fixed to one end of the top of the oil delivery pipe (17).

8. The oil cooler leak detection device according to claim 1, characterized in that: Both ends of the oil cooler body (1) are provided with sealing rings, and the two sealing rings are tightly fitted with the water inlet pipe (13) and the oil delivery pipe (17) respectively.

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