CN219549016U - Hydraulic generator thrust oil basin oil mist collection device - Google Patents
Hydraulic generator thrust oil basin oil mist collection device Download PDFInfo
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- CN219549016U CN219549016U CN202320330501.0U CN202320330501U CN219549016U CN 219549016 U CN219549016 U CN 219549016U CN 202320330501 U CN202320330501 U CN 202320330501U CN 219549016 U CN219549016 U CN 219549016U
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- oil
- basin
- thrust
- oil mist
- collecting box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
- Control Of Water Turbines (AREA)
Abstract
The utility model provides an oil mist collecting device of a hydraulic generator thrust oil basin, which comprises an oil mist collecting box and a thrust oil basin, wherein the thrust oil basin is of an annular structure, an outlet of the thrust oil basin is connected with an inlet of the oil mist collecting box through an oil outlet pipe, an outlet of the oil mist collecting box is connected with the inlet of the thrust oil basin through an oil inlet pipe, an oil pump is connected to the oil inlet pipe, and the initial end of the oil inlet pipe extends below the liquid level of the oil mist collecting box. When the unit operates, oil mist generated in the thrust oil basin rises and is discharged through the oil outlet pipe, and the oil mist reaches the oil mist collecting box after being gradually cooled. When the oil level in the oil mist collecting box is higher than a set value, the automatic control device controls the oil pump to start, and the oil in the oil mist collecting box is re-input into the thrust oil basin through the oil inlet pipe. The utility model has simple structure, novel and unique structure, can effectively solve the problem of oil mist of the thrust oil basin, has good effect, obviously reduces oil seepage, improves the running environment of a unit, greatly improves the reliability and safety of equipment, and has wide popularization value.
Description
Technical Field
The utility model relates to the technical field of hydraulic generators, in particular to a hydraulic generator thrust oil basin oil mist collecting device.
Background
In the prior art, a thrust bearing oil basin of a hydraulic generator is not provided with a thrust oil basin oil mist collecting device, oil mist is continuously formed in an oil groove of a bearing in the running process of a unit, the air pressure in the oil groove is higher than the normal air pressure, and a rotating shaft rotates to enable an oil blocking barrel in the thrust oil groove and a rotating shaft area to form a negative pressure area, so that oil mist overflow is further aggravated, and the oil mist overflows and enters an atmosphere environment to be condensed into oil drops after being cooled. Because the sealing performance of the thrust oil basin sealing cover plate is good, oil mist can enter the water machine chamber along the gap between the inner wall of the oil baffle ring and the main shaft, and a large amount of oil mist overflows into the water machine chamber due to oil drops after the water machine chamber equipment is cooled.
The presence of the above-mentioned situation causes the following three problems:
1. the oil mist of the bearing oil basin of the generator set is generated, so that mechanical equipment such as an indoor lower frame of the water turbine, a sealing cover plate of the water-guiding oil basin, a cylinder valve chain box and the like are seriously polluted, the operation environment is severe, the secondary cable and control components are polluted, the insulation is lowered, and the oil mist of the lower frame is condensed to generate accumulated oil.
2. The oil mist on all equipment is condensed to finally form oil drops, and the oil drops are dripped on the indoor pedal plate of the water machine and the sealing cover plate of the oil basin, so that personnel can easily slide down due to the walking of the personnel, and potential safety hazards are brought.
3. A large amount of oil mist flows to the ground, if the oil mist is not removed in time, the oil mist flows to a top cover of a water machine room, so that water pollution is caused, and certain pressure is brought to environmental protection work of a power plant.
Disclosure of Invention
The utility model aims to provide a hydraulic generator thrust oil basin oil mist collecting device, which solves the problem that potential hazards are brought to safe operation of a power plant due to oil mist overflow.
The embodiment of the utility model provides a hydraulic generator thrust oil basin oil mist collecting device, which comprises: the oil mist collecting box and the thrust oil basin, the thrust oil basin is annular structure, laminating in the pivot setting, and the export of thrust oil basin passes through the oil pipe and connects in the entry of oil mist collecting box, and the export of oil mist collecting box passes through the oil pipe and connects in the entry of thrust oil basin, is connected with the oil pump on the oil pipe, and the oil pump is located the department of meeting of oil pipe and oil mist collecting box, and the top of oil pipe stretches to below the liquid level of oil mist collecting box. When the unit operates, oil mist generated in the thrust oil basin rises and is discharged through the oil outlet pipe, and the oil mist reaches the oil mist collecting box after being gradually cooled.
In some embodiments, a check valve is connected to the oil inlet pipe, and the check valve is located between the oil pump and the tail end of the oil inlet pipe. The accumulated oil in the oil inlet pipe is ensured not to flow back to the oil mist collecting box.
In some embodiments, the tail end of the oil inlet pipe extends into the thrust oil basin.
In some embodiments, a ball valve is connected to the flowline. The flow of the oil in the oil outlet pipe is convenient to control.
In some embodiments, a liquid level sensor is arranged on the inner wall of the oil mist collecting box, the oil pump is connected with the liquid level sensor through a control device, and the control device is an automatic control device. When the oil level in the oil mist collecting box is higher than a set value, the automatic control device controls the oil pump to start, oil in the oil mist collecting box is re-input into the thrust oil basin through the oil inlet pipe, so that the total oil quantity in the thrust oil basin is kept unchanged, and when the oil level in the oil mist collecting box is lower than the set value, the automatic control device controls the oil pump to stop working, and the oil quantity balance between the oil mist collecting box and the thrust oil basin is ensured.
In some embodiments, the oil mist collection tank is provided with a first oil mist respirator. The oil collecting box is used for balancing the pressure inside and outside the oil mist collecting box, so that the oil in the oil outlet pipe smoothly enters the oil mist collecting box.
In some embodiments, a second oil mist respirator is arranged on each thrust oil basin. The device is used for balancing the pressure inside and outside the thrust oil basin, so that the oil in the oil inlet pipe smoothly enters the thrust oil basin.
In some embodiments, a sealing cover plate is arranged at the top end of the thrust oil basin, a first pipe hole and a second pipe hole are formed in the sealing cover plate, the tail end of the oil inlet pipe extends into the thrust oil basin from the first pipe hole, and the initial end of the oil outlet pipe is communicated with the second pipe hole.
In some embodiments, the second oil mist respirator is disposed on the seal housing plate.
In some embodiments, an elastic sealing ring is mounted on the inner side surface of the sealing cover plate, and the elastic sealing ring is attached to the surface of the rotating shaft. When the rotating shaft rotates, the thrust oil basin forms buffering acting force with the rotating shaft through the elastic sealing ring, so that abrasion is reduced.
The beneficial effects of the utility model are as follows:
(1) The utility model has simple structure, novel and unique structure, can effectively solve the problem of oil mist of the thrust oil basin, has good effect, obviously reduces oil seepage, improves the running environment of a unit, greatly improves the reliability and safety of equipment, and has wide popularization value.
(2) According to the utility model, the oil pump with the liquid level sensor and the control device is arranged in the oil mist collecting box, so that the oil mass balance between the oil mist collecting box and the thrust oil basin can be ensured.
Drawings
The foregoing and/or additional aspects and advantages of the present utility model will become apparent and may be better understood from the following description of embodiments with reference to the accompanying drawings,
wherein:
FIG. 1 is a schematic diagram of a hydraulic generator thrust basin oil mist collection device of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
reference numerals:
1-an oil mist collecting box; 2-a liquid level sensor; 3-an oil pump; 4-check valve; 5-a first oil mist respirator; 6-an oil inlet pipe; 7-ball valve; 8-an oil outlet pipe; 9-a second oil mist respirator; 10-sealing cover plate; 11-an oil baffle ring; 12-thrust oil basin; 13-a rotating shaft; 14-elastic sealing ring.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The following describes a hydro-generator thrust basin oil mist collection device according to an embodiment of the present utility model with reference to the accompanying drawings.
As shown in fig. 1-2, an opening is arranged at the upper end of one side of the thrust oil basin 12, facing the rotating shaft 13, for connecting the rotating shaft 13 with a thrust bearing, the thrust bearing is arranged in the thrust oil basin 12 and used for lubrication, the thrust bearing comprises a mirror plate and a thrust shoe of the bearing, the mirror plate is positioned above the thrust shoe, the mirror plate is fixedly connected with the rotating shaft 13 and synchronously rotates along with the rotating shaft 13, the mirror plate extends into the thrust oil basin 12 from the opening, the thrust shoe is in a static state, and the thrust shoe is in sliding connection with the mirror plate. The thrust bearing portion is common knowledge in the art, and is not shown in the drawings because it is a complex structure and is not the subject of the present utility model. When the unit is in operation, oil mist flows outwards through the gaps of the openings. In order to avoid the oil mist from continuously flowing outwards, the oil mist collecting device of the thrust oil basin 12 is designed.
The embodiment of the utility model provides a hydraulic generator thrust oil basin 12 oil mist collecting device, which comprises: the oil mist collecting box 1 and the thrust oil basin 12, the thrust oil basin 12 is annular structure, laminating in pivot 13 setting, the thrust oil basin 12 is close to the one side of pivot 13 and is kept off oil collar 11, the export of thrust oil basin 12 is connected in the entry of oil mist collecting box 1 through oil pipe 8, the export of oil mist collecting box 1 is connected in the entry of thrust oil basin 12 through advance oil pipe 6, advance oil pipe 6 and be connected with oil pump 3, oil pump 3 locates the junction of advance oil pipe 6 and oil mist collecting box 1, advance oil pipe 6's top and stretch to below the liquid level of oil mist collecting box 1. When the unit operates, oil mist generated in the thrust oil basin 12 rises and is discharged through the oil outlet pipe 8, and the oil mist reaches the oil mist collecting box 1 after being gradually cooled.
In some specific embodiments, the oil inlet pipe 6 is connected with a check valve 4, and the check valve 4 is located between the oil pump 3 and the tail end of the oil inlet pipe 6. The oil accumulation in the oil inlet pipe 6 is ensured not to flow back to the oil mist collecting box 1.
In some specific embodiments, the tail end of the oil inlet pipe 6 extends into the thrust oil basin 12.
In some specific embodiments, the flowline 8 has a ball valve 7 attached thereto. The flow rate of the oil in the oil outlet pipe 8 is convenient to control.
In some specific embodiments, the inner wall of the oil mist collecting box 1 is provided with a liquid level sensor 2, and the oil pump 3 is connected with the liquid level sensor 2 through a control device, and the control device is an automatic control device. When the oil level in the oil mist collecting box 1 is higher than a set value, the automatic control device controls the oil pump 3 to start, oil in the oil mist collecting box 1 is re-input into the thrust oil basin 12 through the oil inlet pipe 6, so that the total oil quantity in the thrust oil basin 12 is ensured to be unchanged, and when the oil level in the oil mist collecting box 1 is lower than the set value, the automatic control device controls the oil pump 3 to stop working, and the oil quantity balance in the oil mist collecting box 1 and the thrust oil basin 12 is ensured.
In some specific embodiments, the oil mist collection tank 1 is provided with a first oil mist respirator 5. For balancing the pressure inside and outside the oil mist collecting box 1, so that the oil in the oil outlet pipe 8 smoothly enters the oil mist collecting box 1.
In some specific embodiments, the thrust oil basin 12 is provided with a second oil mist respirator 9. For balancing the pressure inside and outside the thrust oil basin 12 so that the oil in the oil inlet pipe 6 smoothly enters the thrust oil basin 12.
In some specific embodiments, a sealing cover plate 10 is arranged at the top end of the thrust oil basin 12, a first pipe hole and a second pipe hole are formed in the sealing cover plate 10, the tail end of the oil inlet pipe 6 extends into the thrust oil basin 12 from the first pipe hole, and the initial end of the oil outlet pipe 8 is communicated with the second pipe hole.
In some specific embodiments, the second oil mist respirator 9 is provided on the sealing cover plate 10.
In some specific embodiments, two mutually parallel annular grooves are formed on the inner side surface of the sealing cover plate 10, and an elastic sealing ring 14 is installed in the annular grooves, and the outer surface of the elastic sealing ring 14 is attached to the surface of the rotating shaft 13. When the rotating shaft 13 rotates, the thrust oil basin 12 and the rotating shaft 13 form buffer acting force through the elastic sealing ring 14, so that abrasion is reduced.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A hydro-generator thrust oil basin oil mist collection device, characterized by comprising: the oil mist collecting box and the thrust oil basin, the thrust oil basin is annular structure, laminating in the pivot setting, and the export of thrust oil basin passes through the oil pipe and connects in the entry of oil mist collecting box, and the export of oil mist collecting box passes through the oil pipe and connects in the entry of thrust oil basin, is connected with the oil pump on the oil pipe, and the oil pump is located the department of meeting of oil pipe and oil mist collecting box, and the top of oil pipe stretches to below the liquid level of oil mist collecting box.
2. The hydraulic generator thrust basin oil mist collection device of claim 1, wherein the oil inlet pipe is connected with a check valve, and the check valve is located between the oil pump and the tail end of the oil inlet pipe.
3. The hydraulic generator thrust basin oil mist collection device of claim 2, wherein the tail end of the oil inlet pipe extends into the thrust basin.
4. The hydraulic generator thrust basin oil mist collection device of claim 1, wherein a ball valve is connected to the oil outlet pipe.
5. The hydraulic generator thrust basin oil mist collection device according to any one of claims 1 to 4, wherein a liquid level sensor is arranged on the inner wall of the oil mist collection box, and the oil pump is connected with the liquid level sensor through a control device.
6. The hydro-generator thrust basin oil mist collection device of claim 1, wherein the oil mist collection tank is provided with a first oil mist breather.
7. The hydraulic generator thrust basin oil mist collection device of claim 1, wherein the thrust basins are each provided with a second oil mist breather.
8. The hydraulic generator thrust oil basin oil mist collecting device according to claim 7, wherein a sealing cover plate is arranged at the top end of the thrust oil basin, a first pipe hole and a second pipe hole are formed in the sealing cover plate, the tail end of the oil inlet pipe extends into the thrust oil basin from the first pipe hole, and the initial end of the oil outlet pipe is communicated with the second pipe hole.
9. The hydro-generator thrust basin oil mist collection device of claim 8, wherein the second oil mist breather is provided on a seal housing plate.
10. The hydraulic generator thrust basin oil mist collection device of claim 8, wherein an elastic sealing ring is mounted on the inner side surface of the sealing cover plate, and the elastic sealing ring is attached to the surface of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330501.0U CN219549016U (en) | 2023-02-27 | 2023-02-27 | Hydraulic generator thrust oil basin oil mist collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330501.0U CN219549016U (en) | 2023-02-27 | 2023-02-27 | Hydraulic generator thrust oil basin oil mist collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549016U true CN219549016U (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320330501.0U Active CN219549016U (en) | 2023-02-27 | 2023-02-27 | Hydraulic generator thrust oil basin oil mist collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549016U (en) |
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2023
- 2023-02-27 CN CN202320330501.0U patent/CN219549016U/en active Active
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