CN210662262U - Bearing oil groove oil mist absorption device of hydroelectric generating set - Google Patents
Bearing oil groove oil mist absorption device of hydroelectric generating set Download PDFInfo
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- CN210662262U CN210662262U CN201921064069.5U CN201921064069U CN210662262U CN 210662262 U CN210662262 U CN 210662262U CN 201921064069 U CN201921064069 U CN 201921064069U CN 210662262 U CN210662262 U CN 210662262U
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Abstract
The utility model discloses a hydroelectric set bearing oil groove oil mist absorbing device in the technical field of hydroelectric set, which comprises an absorbing box, wherein an air supplement structure and an oil mist absorbing pipeline are respectively arranged at the inlet end of the absorbing box, the oil mist absorbing pipeline is hermetically connected at the oil mist overflow hole of the oil groove, a negative pressure fan is arranged at the outlet end of the absorbing box, a partition plate and an oil mist filter are sequentially arranged between the inlet end and the outlet end, a cleaning structure is arranged on the oil mist filter, an oil collecting groove is arranged at the bottom of the inner cavity of the absorbing box, the bottom end of the oil mist filter extends into the oil collecting groove, an oil mist air mixing channel is formed between the partition plate and the inner wall of the oil mist filter as well as the inner wall of the absorbing box, an oil outlet pipe communicated with the oil collecting groove is arranged at the bottom of the absorbing box, the, the problem of the blocking of the fog filter is avoided.
Description
Technical Field
The utility model relates to a hydroelectric set technical field specifically is a hydroelectric set bearing oil groove oil mist absorbing device.
Background
When the hydraulic generator operates, lubricating oil in the oil groove can be stirred by the rotating component to generate heat by friction, so that oil in the oil groove splashes and is atomized under the action of centrifugal force. When the oil mist is gathered to a certain degree as the temperature and the pressure in the oil groove rise, the oil mist overflows from the weak point where the sealing part is combined with the rotating part and spreads around. Not only consumes a large amount of lubricating oil, but also pollutes a stator iron core, a stator bar, a rotor coil and the like of the generator, reduces the insulation strength and the service life of the stator bar and the rotor coil, and seriously endangers the safe and stable operation of a unit.
Although present oil groove oil mist absorbing device can absorb the oil mist, the oil mist after the absorption filters through the oil mist filter, along with the oil mist gathering forms oil on the oil mist filter and drips to lead to the fluid backward flow, influence oil mist separation ability, can not collect, the oil mist filter clearance is troublesome moreover, and life is low, long-term the easy phenomenon that causes the jam.
Based on this, the utility model designs a hydroelectric set bearing oil groove oil mist absorbing device to solve the above-mentioned problem of mentioning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydroelectric set bearing oil groove oil mist absorbing device keeps the internal and external pressure balance of oil groove, has realized only overflowing the separation processing of oil mist to the oil groove, avoids traditional oil mist to absorb the condition that appears the fluid backward flow after, avoids the problem emergence of fog filter jam to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydroelectric set bearing oil groove oil mist absorbing device, includes the absorption case, tonifying qi structure and oil mist absorption pipeline are installed respectively to the entrance point of absorption case, oil mist absorption pipeline sealing connection overflows the hole department in the oil mist of oil groove, negative-pressure air fan is installed to the exit end of absorption case, installs baffle and oil mist filter between entrance point and the exit end in proper order, installs the clearance structure on the oil mist filter, and the inner chamber bottom that is located the absorption case is equipped with the oil trap, in the oil trap was extended to the bottom of oil mist filter, formed oil mist air mixing channel between the inner wall of baffle and oil mist filter and absorption case, the bottom of absorption case was equipped with the play oil pipe that is linked together with.
Preferably, the air supply structure comprises an air supply pipeline and an air supply fan, wherein the air inlet end of the air supply fan is connected to the outside, and the air outlet end of the air supply fan is connected to the inlet end of the absorption box through the air supply pipeline.
Preferably, an air filter screen is arranged at the joint of the air supply pipeline and the inlet end of the absorption box.
Preferably, a filter cloth is installed at the outlet end of the absorption box through bolts.
Preferably, an oil level indicator communicated with the oil collecting tank is arranged on the outer side of the absorption tank.
Preferably, a cooling pipeline is arranged inside the oil collecting tank, and a cooling water inlet and a cooling water outlet which are integrally formed with the cooling pipeline are respectively arranged on two sides of the bottom of the absorption box.
Preferably, the cleaning structure comprises a cleaning motor, a screw rod and a guide cleaning frame, the cleaning motor is mounted at the top of the absorption box, a slide way of the guide cleaning frame is connected to the inner wall of the oil mist filter, one end of the screw rod is connected with the output end of the cleaning motor, and the other end of the screw rod is in threaded connection with the middle position of the guide cleaning frame
Preferably, the oil mist filter comprises a filter frame and an oil mist filter layer arranged in the filter frame, and the oil mist filter layer adopts a HEPA filter screen.
Compared with the prior art, the beneficial effects of the utility model are that: this hydroelectric set bearing oil groove oil mist absorbing device absorbs through the absorption case, the excessive difficult problem of bearing oil groove oil mist when hydraulic generator moves has effectively been solved through the tonifying qi structure, do not produce the negative pressure in the oil groove, keep the internal and external pressure balance of oil groove, the separation processing who only spills the oil mist to the oil groove has been realized, and can filter the oil mist, the gathering, retrieve, the condition that the fluid backward flow appears after avoiding traditional oil mist to absorb, the throughput of oil mist separation is improved, clearance mechanism, can clear up the oil that gathers after the oil mist filter surface filtration, the problem of avoiding having the fog filter jam takes place, oil mist filter's life has been improved greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram of the oil mist filter of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an absorption tank; 2. an inlet end; 3. a gas supplementing structure; 31. a gas supply pipeline; 32. a gas supplementing fan; 33. an air filter screen; 4. an oil mist absorption pipe; 5. an outlet end; 6. a negative pressure fan; 7. a partition plate; 8. an oil mist filter; 81. a filter frame; 82. an oil mist filter layer; 9. an oil sump; 10. a guide cleaning frame; 11. an oil mist air mixing passage; 12. an oil outlet pipe; 13. filtering cloth; 14. an oil level gauge; 15. a cooling duct; 16. cooling the water inlet; 17. a cooling water outlet; 18. cleaning the structure; 19. cleaning the motor; 20. and a screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a hydroelectric set bearing oil groove oil mist absorbing device, includes absorption box 1, tonifying qi structure 3 and oil mist absorption pipeline 4 are installed respectively to the entrance point 2 of absorption box 1, oil mist absorption pipeline 4 sealing connection is in the oil mist of oil groove and spills over the hole department, negative-pressure air fan 6 is installed to the exit end 5 of absorption box 1, installs baffle 7 and oil mist filter 8 between entrance point 2 and the exit end 5 in proper order, installs clearance structure 18 on the oil mist filter 8, and the inner chamber bottom that is located absorption box 1 is equipped with sump 9, in the bottom of oil mist filter 8 extended sump 9, formed oil mist air mixing channel 11 between baffle 7 and oil mist filter 8 and the inner wall of absorption box 1, the bottom of absorption box 1 was equipped with the play oil pipe 12 that is linked together with sump 9.
The air supply structure 3 comprises an air supply pipeline 31 and an air supply fan 32, an air inlet end of the air supply fan 32 is connected to the outside, an air outlet end is connected to the inlet end 2 of the absorption box 1 through the air supply pipeline 31, the problem that bearing oil mist overflows when the hydraulic generator runs is effectively solved, negative pressure is not generated in the oil groove, pressure balance inside and outside the oil groove is kept, separation processing of only overflowing oil mist of the oil groove is achieved, air quantity of the negative pressure fan 6 is adjusted, pressure intensity in the absorption box 1 is slightly lower than air pressure in the bearing oil groove, oil mist in the bearing oil groove can be absorbed into the absorption box 1 to be absorbed by the oil mist, an air filter screen 33 is arranged at the joint of the air supply pipeline 31 and the inlet end 2 of the absorption box 1, introduced gas can be filtered, and pollution of the oil mist by the outside air is.
Wherein, be located exit end 5 of absorption box 1 installs filter cloth 13 through the bolt, and the tiny oil mist that smugglies secretly in the air passes through filter cloth 13 and absorbs once more, guarantees from absorption box 1 exit end 5 exhaust air pollution-free, and filter cloth 13 passes through the bolt installation, has improved the convenience of filter cloth 13 installation and dismantlement. An oil level gauge 14 communicated with the oil collecting tank 9 is arranged on the outer side of the absorption box 1, so that the liquid level of the collected oil in the oil collecting tank 9 can be observed.
The oil collecting tank 9 is internally provided with a cooling pipeline 15, two sides of the bottom of the absorption tank 1 are respectively provided with a cooling water inlet 16 and a cooling water outlet 17 which are integrally formed with the cooling pipeline 15, cooling water is introduced from the cooling water inlet 16 and is cooled in the oil collecting tank 9 through the cooling pipeline 15, the temperature of oil in the oil collecting tank 9 is ensured to be reduced, the recovered oil is prevented from generating oil mist again due to high temperature, and the cooled water is discharged through a cooling water outlet.
Wherein, clearance structure 18 is including clearance motor 19, lead screw 20 and direction clearance frame 10, and clearance motor 19 is installed in the top of absorption box 1, and direction clearance frame 10 slide is connected on the inner wall of oil mist filter 8, the one end of lead screw 20 is connected with clearance motor 19's output, and other end spiro union runs through in the intermediate position of direction clearance frame 10, through putting through clearance motor 19 external power supply, and clearance motor 19 drives direction clearance frame 10 through lead screw 20 and reciprocates on oil mist filter 8 surface, can clear up the oil droplet of oil mist filter 8 after the surface filtration gathering, avoids the problem of fog filter jam to take place, has improved oil mist filter 8's life greatly.
The oil mist filter 8 comprises a filter frame 81 and an oil mist filter layer 82 arranged in the filter frame 81, the oil mist filter layer 82 adopts a HEPA filter screen, the filtering efficiency reaches over 99 percent, and the filtering precision is 1-3 mu m.
The specific working principle is as follows: by connecting the oil mist absorption pipeline 4 of the upper inlet end 2 of the absorption box 1 to the oil mist overflow hole of the oil groove in a sealing way, and switching on the negative pressure fan 6, negative pressure is generated in the absorption box 1, so that the oil mist in the oil groove is absorbed into the absorption box 1 through the oil mist absorption pipeline 4, the problem of oil mist overflow of the bearing oil groove during the running of the hydraulic generator is effectively solved through the air supplementing structure 3, negative pressure is not generated in the oil groove, the pressure balance inside and outside the oil groove is kept, the separation treatment of the oil mist overflowing from the oil groove is realized, the oil mist and air mixed gas are discharged from the outlet end 5 of the absorption box 1 along the oil mist air mixing channel under the action of the partition plate 7 and the mist filter, the oil mist passing through the oil mist filter 8 is filtered and gathered on the outer surface of the oil mist filter 8, flows into the oil collecting tank 9 along the surface of the mist filter, and, avoid traditional oil mist to absorb the condition that the back appears fluid backward flow, improve the throughput of oil mist separation, install clearance mechanism moreover on oil mist filter 8, can clear up the oil droplet of gathering behind the oil mist filter 8 surface filter, avoid the problem of having the fog filter to block up to take place, improved oil mist filter 8's life greatly.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a hydroelectric set bearing oil groove oil mist absorbing device, includes the absorption case, its characterized in that: the oil mist absorption device is characterized in that an air supplementing structure and an oil mist absorption pipeline are respectively installed at the inlet end of the absorption box, the oil mist absorption pipeline is connected to an oil mist overflow hole of the oil groove in a sealing mode, a negative pressure fan is installed at the outlet end of the absorption box, a partition plate and an oil mist filter are sequentially installed between the inlet end and the outlet end, a cleaning structure is installed on the oil mist filter, an oil collecting tank is arranged at the bottom of an inner cavity of the absorption box, the bottom end of the oil mist filter extends into the oil collecting tank, an oil mist air mixing channel is formed between the partition plate and the inner wall of the oil mist filter and.
2. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 1, wherein: the air supply structure comprises an air supply pipeline and an air supply fan, the air inlet end of the air supply fan is connected to the outside, and the air outlet end of the air supply fan is connected to the inlet end of the absorption box through the air supply pipeline.
3. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 2, wherein: and an air filter screen is arranged at the joint of the air supply pipeline and the inlet end of the absorption box.
4. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 1, wherein: and the outlet end of the absorption box is provided with filter cloth through bolts.
5. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 1, wherein: and an oil level indicator communicated with the oil collecting tank is arranged on the outer side of the absorption box.
6. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 4, wherein: and a cooling pipeline is arranged in the oil collecting tank, and a cooling water inlet and a cooling water outlet which are integrally formed with the cooling pipeline are respectively arranged on two sides of the bottom of the absorption box.
7. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 1, wherein: the cleaning structure comprises a cleaning motor, a screw rod and a guide cleaning frame, the cleaning motor is installed at the top of the absorption box, a guide cleaning frame slide way is connected to the inner wall of the oil mist filter, one end of the screw rod is connected with the output end of the cleaning motor, and the other end of the screw rod is in threaded connection with the middle position of the guide cleaning frame.
8. The hydroelectric generating set bearing oil groove oil mist absorbing device of claim 1, wherein: the oil mist filter comprises a filter frame and an oil mist filter layer arranged in the filter frame, wherein the oil mist filter layer adopts a HEPA filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064069.5U CN210662262U (en) | 2019-07-09 | 2019-07-09 | Bearing oil groove oil mist absorption device of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064069.5U CN210662262U (en) | 2019-07-09 | 2019-07-09 | Bearing oil groove oil mist absorption device of hydroelectric generating set |
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| CN210662262U true CN210662262U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921064069.5U Active CN210662262U (en) | 2019-07-09 | 2019-07-09 | Bearing oil groove oil mist absorption device of hydroelectric generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342294A (en) * | 2022-07-22 | 2022-11-15 | 天津市天发重型水电设备制造有限公司 | Novel bearing oil mist collection device |
-
2019
- 2019-07-09 CN CN201921064069.5U patent/CN210662262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342294A (en) * | 2022-07-22 | 2022-11-15 | 天津市天发重型水电设备制造有限公司 | Novel bearing oil mist collection device |
| CN115342294B (en) * | 2022-07-22 | 2023-09-12 | 天津市天发重型水电设备制造有限公司 | Bearing oil mist collection device |
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