CN103615541B - Prevent the device that dynamo bearing mist of oil overflows - Google Patents
Prevent the device that dynamo bearing mist of oil overflows Download PDFInfo
- Publication number
- CN103615541B CN103615541B CN201310620684.0A CN201310620684A CN103615541B CN 103615541 B CN103615541 B CN 103615541B CN 201310620684 A CN201310620684 A CN 201310620684A CN 103615541 B CN103615541 B CN 103615541B
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- oil
- annular seal
- rotating shaft
- seal space
- mist
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- 239000003595 mist Substances 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000007664 blowing Methods 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 132
- 239000010687 lubricating oil Substances 0.000 abstract description 14
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- -1 effect of impact Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses the device preventing dynamo bearing mist of oil from overflowing, between groove lid and rotating shaft, be correspondingly arranged sealing lid, form annular seal space；Sealing between lid and rotating shaft, arranging n road elastic sealing element, the outer surface in rotating shaft forms (n 1) the individual annular seal space being arranged in order, and n is more than or equal to 4；Arranging blowing mouth on upper annular seal space, middle annular seal space arranges inlet scoop, the disc arranged at rotating shaft outer surface is positioned at lower seal intracavity；In the bottom sealing lid, spill port is set and connects with oil groove lid internal cavities.Assembly of the invention, it is possible to the mist of oil operationally produced generating set seals, mist of oil is limited in oil groove, is difficult to outwards fly away；Mist of oil will not enter pollute the parts around generating equipment in air from outwards overflowing；Offset outside negative pressure with high pressure positive blower blowing, block the lubricating oil climbed with disc, by oil mist absorbing device absorption and separation mist of oil, reach anti-negative pressure, oil throwing and purify the purpose of mist of oil.
Description
Technical field
The present invention relates to the parts of a kind of generating equipment, in particular for having lubricating oil or the high tacho generator of cooling oil, prevent the device that dynamo bearing mist of oil overflows.
Technical background
Can be in relative rotation on equipment, as between rotor and the stator of generating equipment, it is required for lubricating oil or cooling oil with lubrication, cooling associated components, such as rotor shaft etc., while lubricating these parts, the heat produced when being operated by rotary part is taken away, is reduced its temperature, prevents from parts to be burned or block waiting indefinitely, to extend its service life.
The bearing of generating equipment is immersed in lubricating oil, owing to bearing is high-speed rotary part, causes lubricating oil high-speed impact in oil groove, spilled oil phenomenon and mist of oil phenomenon easily occurs, not only pollutes environment but also may cause insulation fault.
Bearing of hydraulic generator typically uses self-lubricating plain bearing, and bearing liner invades profit in lubricating oil.When unit operates, on the one hand lubricating oil stirs in oil groove, clashes into, and produces a large amount of bubble, bubble eruption forms mist of oil, and on the other hand at tiling oil film local, temperature is higher, and lubricating oil vaporizes, forming mist of oil, therefore for hydrogenerator, the generation of mist of oil is inevitable, and increasing along with generating unit speed, the diameter of rotating shaft increases, and linear velocity increases, oil is made to sputter everywhere, oil is directly taken out of by rotating shaft, gets rid of oil phenomenon, severe contamination surrounding enviroment outside causing.Again due to the high speed rotating of rotor, covering square one-tenth negative pressuren zone at lubricating oil sump, by the mist of oil sucking-off in oil groove, the mist of oil order of severity increases.
For solving turbine-generator units mist of oil problem, used the methods such as outside QI invigorating, multilamellar labyrinth seal, contact oil seal, oil mist absorbing device, but effect inconspicuous.Lubricating oil is directly taken out of by particularly rotating shaft high speed rotating, gets rid of oil phenomenon outside causing.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that one has anti-negative pressure function, and can prevent from getting rid of outside electromotor the device preventing dynamo bearing mist of oil from overflowing of oil.
Technical scheme: the device preventing dynamo bearing mist of oil from overflowing, between the oil groove lid and the rotating shaft that are arranged on engine block, it is characterised in that: between groove lid and rotating shaft, it is correspondingly arranged sealing lid, forms annular seal space；Sealing between lid and rotating shaft, arranging n road elastic sealing element, by n road elastic sealing element, the outer surface in rotating shaft forms (n-1) the individual annular seal space being arranged in order；N is more than or equal to 4, at least forms three annular seal spaces, i.e. top seal chamber, middle part annular seal space and lower seal chamber；Arranging blowing mouth on top seal chamber, middle part annular seal space arranges inlet scoop, the disc arranged at rotating shaft outer surface is positioned at lower seal intracavity；During use, in the annular seal space of top, it is passed through gas by blowing mouth, by inlet scoop, the gas in the annular seal space of middle part is sucked in oil mist absorbing device through pipeline, by oil mist absorbing device separating treatment；In the bottom sealing lid, spill port is set and connects with oil groove lid internal cavities, make the fluid of sealing lid bottom can flow back to cavity inside.
Further feature is: the axial direction of described spill port phase countershaft, is obliquely installed.
It is connected with blowing mouth with blower fan, by drying in blowing mouth upwards annular seal space.
Described disc, is provided with the extension downwardly extended, the formation tip, bottom of extension.
Prevent the device that dynamo bearing mist of oil overflows, including the oil groove lid being arranged on engine block and rotating shaft, it is characterised in that: between groove lid and rotating shaft, it is correspondingly arranged sealing lid, forms annular seal space；Sealing between lid and rotating shaft, three seals part is set, by three seals part, outer surface in rotating shaft forms two annular seal spaces being arranged above and below, i.e. go up annular seal space and lower seal chamber, arranging blowing mouth and inlet scoop on upper annular seal space, both are arranged staggered positions on the surface of rotating shaft, and the disc arranged at rotating shaft outer surface is positioned at lower seal intracavity；During use, by being passed through gas in blowing mouth upwards annular seal space, by inlet scoop by the gas in upper annular seal space in pipeline is pumped into oil mist absorbing device, by oil mist absorbing device separating treatment；In the bottom sealing lid, spill port is set and connects with the cavity within oil groove lid, make the fluid of sealing lid bottom can flow back in the cavity within oil groove lid.
Blowing mouth and inlet scoop, stagger on the surface of rotating shaft 90 degree or 180 degree of positions.
The present invention prevents the device that dynamo bearing mist of oil overflows, and has the advantage that
1, the mist of oil that can operationally produce generating set seals, and mist of oil is limited in oil groove, is difficult to outwards fly away；Mist of oil will not overflow from oil groove lid edge or other air inlet, enters in air and then pollutes the parts around generating equipment.
2, offset outside negative pressure with high pressure positive blower blowing, block the lubricating oil climbed with disc, by oil mist absorbing device absorption and separation mist of oil, reach anti-negative pressure, oil throwing and purify the purpose of mist of oil.
3, with high pressure positive blower by drying in air inlet upwards annular seal space body, mist of oil in negative pressure square on oil groove lid can prevent again oil groove can be offset and overflow；The oil climbed along rotating shaft in oil groove is blocked by disc, then throws away and condenses in lower seal cavity wall, is then flowed back in oil groove by oil return opening；The area from absorbing smoke outwards pipeline of oil mist absorbing device is connected with the inlet scoop of middle annular seal space, when the mist of oil in oil groove upwards overflows, through intermediate seal cavity, just by oil mist absorbing device sucking-off separating treatment along the gap sealed between lid and rotating shaft.Thus reach anti-negative pressure, prevent the outer purpose getting rid of oil and mist of oil process.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is apparatus of the present invention partial structurtes sectional views；
Fig. 2 apparatus of the present invention use view；
Fig. 3 is apparatus of the present invention the second embodiment partial structurtes sectional views；
Fig. 4 is that the second embodiment uses view.
1 oil groove lid, 2 seal lids, 3 blowing mouths, 4 inlet scoops, 5 elastic sealing elements, annular seal space on 6, annular seal space, 8 lower seal chambeies, 9 rotating shafts, 10 discs, 11 spill ports, 12 high pressure positive blowers, 13 oil mist absorbing devices in 7.
Detailed description of the invention
As shown in Figure 1, 2, the present invention prevents the device that dynamo bearing mist of oil overflows, including the oil groove lid 1 being arranged on engine block and rotating shaft 9, cavity (oil groove) within oil groove lid 1 is as depositing the lubricating oil that the rotatable parts to electromotor (bearing) are lubricated, being a circumferential groove, along with the rising of temperature, the high speed rotating of the bearing being immersed in lubricating oil is to the agitation of fluid, effect of impact, mist of oil can be produced at lubricating oil, be full of the cavity within oil groove lid 1；The improvement of the present invention, arranges sealing lid 2 between oil groove lid 1 and rotating shaft 9, is got up by the space sealing between oil groove lid 1 and rotating shaft 9, form an airtight cavity, be isolated from the outside out by the cavity within whole oil groove lid 1；Owing to rotating shaft 9 is the high-speed rotary part of electromotor, sealing between lid 2 and rotating shaft 9, n road elastic sealing element 5 is set, by n road elastic sealing element 5, outer surface in rotating shaft 9 forms (n-1) the individual annular seal space being arranged in order, and the airtight cavity that will be formed between oil groove lid 1 and rotating shaft 9 is divided into (n-1) individual annular seal space.N is at least 3, for integer, forms at least two annular seal space.
Fig. 1, the first example structure shown in 2, arrange four road elastic sealing elements 5, define three annular seal spaces, i.e. top seal chamber 6, middle part annular seal space 7 and lower seal chamber 8；Described elastic sealing element 5, is the tool material such as resilient rubber or plastics, has Telescopic and wear-resisting, and itself and rotating shaft 9 contact site are provided with teeth, boss or pointed body etc., it is simple to and produce good sealing effectiveness between the rotating shaft 9 in motion.Top seal chamber 6 arranges (about on outer wall) blowing mouth 3, middle part annular seal space 7 arranges inlet scoop 4 (about on outer wall), the rotating shaft 9 of electromotor is provided with disc 10, and disc 10 is positioned at lower seal chamber 8；Disc 10 is set in rotating shaft 9 outer surface, and its height protruding rotating shaft 9 surface sets according to concrete locus, can tilt downwards, i.e. tilts to the direction of oil groove lid 1, forms the oil ring with barrier effect.In the bottom sealing lid 2, arranging spill port 11 and connect with the cavity (oil groove) within oil groove lid 1, the fluid making sealing cover 2 bottoms can flow back in cavity (oil groove)；The axial direction of spill port 11 phase countershaft 9, is obliquely installed, and the mist of oil being greatly lowered in oil groove is risen in lower seal chamber 8 by spill port 11.Assembly of the invention, in use by blowing in blowing mouth 3 upwards annular seal space 6, concrete with blower fan 12(high pressure positive blower) it is connected with blowing mouth 3 by air supply duct, or just to blowing mouth 3, by blowing in blowing mouth 3 upwards annular seal space 6, in not only having offset the negative pressure of side on oil groove lid but also having prevented oil groove, mist of oil overflowed；When rotating shaft 9 rotates, part fluid adheres to from the teeth outwards, upwards climbs along with rotation, and the oil that this part is climbed along rotating shaft 9 is blocked by disc 10, then throws away and condenses in lower seal chamber 8 inwall, is then flowed back in oil groove by spill port 11；The inlet scoop 4 of oil mist absorbing device 13 with middle annular seal space 7 is connected with pipeline, when the mist of oil in oil groove upwards overflows along the gap sealed between lid 2 and rotating shaft 9, through intermediate seal cavity 7, will be by oil mist absorbing device 13 sucking-off separating treatment.Thus reach anti-negative pressure, prevent the outer purpose getting rid of oil and mist of oil process.
The n of the present invention is more than 4, then define the annular seal space of more than three, such as 4,5,6,7 etc., still top seal chamber, middle part annular seal space and lower seal chamber can be attributed to, simply top seal chamber is a uppermost cavity (that cavity of top), lower seal chamber is a nethermost cavity (that cavity of lowermost end), middle part annular seal space is then the two or more cavity of middle part, i.e. remove the cavity beyond the lower seal chamber of the top seal chamber of uppermost position, bottom position, be all middle part annular seal space.Blowing mouth 3 is arranged on top seal chamber, and inlet scoop 4 is arranged on annular seal space in the middle part of any one, is preferably disposed at annular seal space in the middle part of that of next-door neighbour top seal chamber, and disc 10 is similarly disposed at lower seal chamber.This kind of structure, adds the number of channels (number of plies) of elastic sealing element 5, although a little somewhat complicated in structure, but can obtain more excellent sealing effectiveness.
The disc 10 of the present invention, is provided with the extension downwardly extended, and the bottom of extension forms sharp-pointed tip.Disc 10 and extension thereof protrude from rotating shaft 9 outer surface, and extension is bent downwardly, formation tip, bottom, form the block stopping fluid, can obtain and preferably get rid of oil, gear oil effect.It addition, tip can allow fluid drip downwards, reduce the holdup time, prevent it to be solidified in disc 10 lower end and form projection shape, can quickly return in oil groove lid 1 internal cavities (oil groove).
Assembly of the invention is operationally, owing to exterior clean air enters in upper annular seal space through blower fan 12 by blowing mouth 3, make the negative pressure that mist of oil trend is not produced when rotated by side's electromotor on oil groove lid in oil groove be affected, can prevent mist of oil from outwards overflowing pollution surrounding space because of negative pressure；And, the oil-containing gases in upper annular seal space and middle part annular seal space is aspirated and processes by oil mist absorbing device 13, also will not pollute surrounding space；The fluid rotated in company with it when rotating shaft 9 rotates and upwards climb, is blocked by disc 10, then throws away and condense in lower seal chamber 8 inwall, then flowed back in oil groove by spill port 11, forms circulation.
The oil mist remover 13 of the present invention, is a kind of prior art, and concrete structure has a variety of, can use the associated processing device of prior art；The present invention provides a kind of concrete structure, sees the utility model patent that the applicant applies for, entitled " direct-emission type oil mist absorbing device ", Application No. 201120237483.9 in 2011-07-07.
As shown in Figure 3,4, the second example structure of the present invention, three seals part 5 is set, by three seals part 5, the outer surface in rotating shaft 9 forms two annular seal spaces being arranged in order (being arranged above and below), i.e. goes up annular seal space 6 and lower seal chamber 8；The airtight cavity that will be formed between oil groove lid 1 and rotating shaft 9 is divided into two annular seal spaces；Upper annular seal space 6 arranges (about on outer wall) blowing mouth 3 and inlet scoop 4, the rotating shaft 9 of electromotor is provided with disc 10, and disc 10 is positioned at lower seal chamber 8；Disc 10 is set in rotating shaft 9 outer surface, and its height protruding rotating shaft 9 surface sets according to concrete locus, can tilt downwards, i.e. tilts to the direction of oil groove lid 1, forms the oil ring with barrier effect.In the bottom sealing lid 2, arranging spill port 11 and connect with the cavity (oil groove) within oil groove lid 1, the fluid making sealing cover 2 bottoms can flow back in oil groove；The axial direction of spill port 11 phase countershaft 9, is obliquely installed, and the mist of oil being greatly lowered in oil groove is risen in lower seal chamber 8 by spill port 11.By blowing in blowing mouth 3 upwards annular seal space 6 during use, concrete with blower fan 12(high pressure positive blower) it is connected with blowing mouth 3 by air supply duct, or just to blowing mouth 3, by blowing in blowing mouth 3 upwards annular seal space 6, in not only having offset the negative pressure of side on oil groove lid but also having prevented oil groove, mist of oil overflowed；When rotating shaft 9 rotates, part fluid adheres to from the teeth outwards, upwards climbs along with rotation, and the oil that this part is climbed along rotating shaft 9 is blocked by disc 10, then throws away and condenses in lower seal chamber 8 inwall, is then flowed back in oil groove by spill port 11；The inlet scoop 4 of oil mist absorbing device 13 with upper annular seal space 6 is connected with pipeline, when the mist of oil in oil groove upwards overflows along the gap sealed between lid 2 and rotating shaft 9, through upper annular seal space 6, will be by oil mist absorbing device 13 sucking-off separating treatment.Thus reach anti-negative pressure, prevent the outer purpose getting rid of oil and mist of oil process.
The blowing mouth 3 of the present embodiment and inlet scoop 4 are all disposed within annular seal space 6, all connect with upper annular seal space 6, both stagger setting positions on the surface of rotating shaft 9, as staggered 90 degree or 180 degree, i.e. stagger on the surface of rotating shaft 9 90 degree or 180 degree of angles layouts, by being passed through gas in blowing mouth 3 upwards annular seal space, by inlet scoop 4 by the gas in upper annular seal space in pipeline is pumped into oil mist absorbing device 13, by oil mist absorbing device 13 sucking-off separating treatment.The disc 10 being arranged in the rotating shaft 9 of electromotor is positioned at lower seal intracavity.Shown in Fig. 2, it is respectively arranged two Fans 12 and oil mist absorbing device 13,90 degree of settings of having staggered each other, more excellent effect can be obtained.
Finally it should be noted that, above example is only in order to illustrate technical scheme rather than restriction technologies scheme, although the present invention has been described in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, technical scheme is modified or equivalent by those, without deviating from objective and the scope of the technical program, all should contain in the middle of scope of the presently claimed invention.
Claims (4)
1. prevent the device that dynamo bearing mist of oil overflows, including the oil groove lid (1) being arranged on engine block and rotating shaft (9), it is characterised in that: between oil groove lid (1) and rotating shaft (9), it is correspondingly arranged sealing lid (2), forms annular seal space；Sealing between lid (2) and rotating shaft (9), arranging n road elastic sealing element (5), by n road elastic sealing element (5), the outer surface in rotating shaft (9) forms (n-1) the individual annular seal space being arranged in order；N is more than or equal to 4, at least forms three annular seal spaces, i.e. goes up annular seal space (6), middle annular seal space (7) and lower seal chamber (8)；Arranging blowing mouth (3) on upper annular seal space (6), middle annular seal space (7) arranges inlet scoop (4), the disc (10) arranged at rotating shaft (9) outer surface is positioned at lower seal chamber (8)；In the bottom sealing lid (2), spill port (11) is set and connects with oil groove lid (1) lower cavity, make the fluid of sealing lid (2) bottom can flow back to cavity inside；During use, by being passed through gas in blowing mouth (3) upwards annular seal space (6), by inlet scoop (4) by the gas in middle annular seal space (7) in pipeline sucks oil mist absorbing device (13), by oil mist absorbing device (13) separating treatment；
The axial direction of described spill port (11) phase countershaft (9), is obliquely installed；
Described disc (10), is provided with the extension downwardly extended, the formation tip, bottom of extension.
The device preventing dynamo bearing mist of oil from overflowing the most according to claim 1, it is characterised in that: it is connected with blowing mouth (3) with blower fan (12), by blowing in blowing mouth (3) upwards annular seal space.
3. prevent the device that dynamo bearing mist of oil overflows, including the oil groove lid (1) being arranged on engine block and rotating shaft (9), it is characterised in that: between oil groove lid (1) and rotating shaft (9), it is correspondingly arranged sealing lid (2), forms annular seal space；Sealing between lid (2) and rotating shaft (9), three road elastic sealing elements (5) are set, by three road elastic sealing elements (5), outer surface in rotating shaft (9) forms two annular seal spaces being arranged above and below, i.e. go up annular seal space (6) and lower seal chamber (8), arranging blowing mouth (3) and inlet scoop (4) on upper annular seal space (6), both are arranged staggered positions on the surface of rotating shaft (9), and the disc (10) arranged at rotating shaft (9) outer surface is positioned at lower seal chamber (8)；In the bottom sealing lid (2), the cavity arranging spill port (11) internal with oil groove lid (1) connects, and makes the fluid of sealing lid (2) bottom can flow back in the cavity that oil groove lid (1) is internal；During use, by being passed through gas in blowing mouth (3) upwards annular seal space (6), by inlet scoop (4) by the gas in upper annular seal space (6) in pipeline is pumped into oil mist absorbing device (13), by oil mist absorbing device (13) separating treatment.
The device preventing dynamo bearing mist of oil from overflowing the most according to claim 3, it is characterised in that: stagger 90 degree or 180 degree of positions on the surface of rotating shaft (9) in blowing mouth (3) and inlet scoop (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620684.0A CN103615541B (en) | 2013-11-29 | 2013-11-29 | Prevent the device that dynamo bearing mist of oil overflows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620684.0A CN103615541B (en) | 2013-11-29 | 2013-11-29 | Prevent the device that dynamo bearing mist of oil overflows |
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| Publication Number | Publication Date |
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| CN103615541A CN103615541A (en) | 2014-03-05 |
| CN103615541B true CN103615541B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310620684.0A Ceased CN103615541B (en) | 2013-11-29 | 2013-11-29 | Prevent the device that dynamo bearing mist of oil overflows |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896291A (en) * | 2015-05-20 | 2015-09-09 | 中国长江电力股份有限公司 | Self-pumped water-turbine generator set bearing oil mist absorption device |
| CN107542936B (en) * | 2016-06-26 | 2024-02-09 | 哈尔滨盛迪电力设备有限公司 | Magnetic suspension positioning double-airflow ring sealing device |
| CN107191597B (en) * | 2017-07-10 | 2018-11-27 | 张宏伟 | Generate electricity sump anti-oil mist overflowing and condensation deposition structure |
| CN107178458A (en) * | 2017-07-19 | 2017-09-19 | 国电大渡河瀑布沟发电有限公司 | The comprehensive treatment system and method for a kind of bearing of hydraulic generator mist of oil |
| CN108869746A (en) * | 2018-08-17 | 2018-11-23 | 苏州欧拉透平机械有限公司 | Slewing oil enveloping structure |
| CN114110169B (en) * | 2021-11-22 | 2024-04-26 | 重庆华能水电设备制造有限公司 | Oil mist overflow prevention airtight structure of generator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535219U (en) * | 2009-10-10 | 2010-07-28 | 湖南汉龙水电设备有限公司 | Improved device of oil baffle plate of upper frame of vertical machine set |
| CN201546873U (en) * | 2009-10-28 | 2010-08-11 | 广东明珠集团韶关众力发电设备有限公司 | Gas-seal anti-oil mist overflowing structure of hydraulic generator |
| CN102218251A (en) * | 2011-07-07 | 2011-10-19 | 张宏伟 | Straight emission type oil fog absorption device |
| CN202266363U (en) * | 2011-09-30 | 2012-06-06 | 东方电气集团东方电机有限公司 | Oil tank cap capable of preventing oil mist |
| CN202812203U (en) * | 2012-09-10 | 2013-03-20 | 申科滑动轴承股份有限公司 | Oil mist-prevention air seal structure for sliding bearing |
| CN202971933U (en) * | 2012-11-08 | 2013-06-05 | 华东琅琊山抽水蓄能有限责任公司 | Air seal for bearing of water turbine generator |
| CN203248722U (en) * | 2013-05-08 | 2013-10-23 | 李荣耀 | Oil mist resistant device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357875A (en) * | 1986-08-28 | 1988-03-12 | Mitsubishi Heavy Ind Ltd | Preventing device for leakage of oil mist in main bearing of water turbine |
-
2013
- 2013-11-29 CN CN201310620684.0A patent/CN103615541B/en not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201535219U (en) * | 2009-10-10 | 2010-07-28 | 湖南汉龙水电设备有限公司 | Improved device of oil baffle plate of upper frame of vertical machine set |
| CN201546873U (en) * | 2009-10-28 | 2010-08-11 | 广东明珠集团韶关众力发电设备有限公司 | Gas-seal anti-oil mist overflowing structure of hydraulic generator |
| CN102218251A (en) * | 2011-07-07 | 2011-10-19 | 张宏伟 | Straight emission type oil fog absorption device |
| CN202266363U (en) * | 2011-09-30 | 2012-06-06 | 东方电气集团东方电机有限公司 | Oil tank cap capable of preventing oil mist |
| CN202812203U (en) * | 2012-09-10 | 2013-03-20 | 申科滑动轴承股份有限公司 | Oil mist-prevention air seal structure for sliding bearing |
| CN202971933U (en) * | 2012-11-08 | 2013-06-05 | 华东琅琊山抽水蓄能有限责任公司 | Air seal for bearing of water turbine generator |
| CN203248722U (en) * | 2013-05-08 | 2013-10-23 | 李荣耀 | Oil mist resistant device |
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| CN103615541A (en) | 2014-03-05 |
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