CN103615541A - Device preventing oil mist of generator bearing from overflowing - Google Patents
Device preventing oil mist of generator bearing from overflowing Download PDFInfo
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- CN103615541A CN103615541A CN201310620684.0A CN201310620684A CN103615541A CN 103615541 A CN103615541 A CN 103615541A CN 201310620684 A CN201310620684 A CN 201310620684A CN 103615541 A CN103615541 A CN 103615541A
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- oil
- rotating shaft
- seal
- mist
- sealing cover
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- 239000003595 mist Substances 0.000 title claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000007664 blowing Methods 0.000 claims description 34
- 239000012530 fluid Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 143
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000009194 climbing Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 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
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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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
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a device preventing oil mist of a generator bearing from overflowing. A sealing cover is correspondingly arranged between a groove cover and a rotary shaft to form a sealing cavity. N elastic sealing pieces are arranged between the sealing cover and the rotary shaft, and (n-1) sealing cavities arranged in sequence are formed in the outer surface of the rotary shaft. N is larger than or equal to 4, and at least sealing cavities are formed. A blow-off opening is formed in the upper sealing cavity, an air suction opening is formed in the middle sealing cavity, and an oil slinger arranged on the outer surface of the rotary shaft is located in the lower sealing cavity. An oil return hole is formed in the lower portion of the sealing cover to be communicated with a cavity inside the oil groove cover. According to the device, oil mist generated when a generator set operates can be sealed, is limited in an oil groove and is difficult to disperse outwards. The oil mist cannot overflow and cannot enter air to pollute components around a power generation assembly. A high-pressure fan blows to offset external negative pressure, the oil slinger blocks rising lubricating oil, the oil mist is absorbed and separated through an oil mist absorption device, and the aims of preventing negative pressure and shed oil and purifying the oil mist can be achieved.
Description
Technical field
The present invention relates to a kind of parts of power generating equipment, in particular for thering is the high tacho generator of lubricant oil or cold oil, prevent the device that dynamo bearing mist of oil overflows.
Technical background
On equipment in relative rotation, between the rotor of power generating equipment and stator, all need lubricant oil or cold oil lubricating, cooling associated components, as rotor shaft etc., in lubricated these parts, its temperature is taken away, reduced to the heat producing when rotary part is turned round, and peventing member is burned or is stuck etc., to extend its working life.
The bearing of power generating equipment is immersed in lubricant oil, because bearing is high-speed rotary part, causes lubricant oil high-speed impact in oil groove, very easily occurs spilled oil phenomenon and mist of oil phenomenon, not only befouling environment but also may cause insulation fault.
Bearing of hydraulic generator generally adopts self-lubricating plain bearing, and bearing liner is invaded profit in lubricant oil.When unit turns round, lubricant oil stirs, clashes in oil groove on the one hand, produces a large amount of bubbles, bubble eruption forms mist of oil, and the local place of tiling oil film temperature is higher on the other hand, lubricant oil vaporization, form mist of oil, therefore for hydraulic turbine generator, the generation of mist of oil is inevitable, and along with the increasing of generating unit speed, the diameter of rotating shaft increases, linear velocity increases, make oil sputter everywhere, rotating shaft is directly taken oil out of, causes outer get rid of oily phenomenon, severe contamination surrounding enviroment.Due to the High Rotation Speed of rotor, at lubricating oil sump, cover square one-tenth negative pressuren zone again, by the mist of oil sucking-off in oil groove, the mist of oil order of severity increases.
For solving hydraulic generator unit mist of oil problem, adopted the methods such as outside tonifying Qi, multilayer labyrinth seal, contact oil seal, oil mist absorbing device, but effect not obvious.Particularly rotating shaft High Rotation Speed is directly taken lubricant oil out of, causes the outer oily phenomenon of getting rid of.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of anti-negative pressure function that has is provided, and can prevent that generator from getting rid of the device that dynamo bearing mist of oil overflows that prevents of oil outward.
Technological scheme of the present invention: prevent the device that dynamo bearing mist of oil overflows, be arranged between the oil groove lid and rotating shaft on generator body, it is characterized in that: between groove lid and rotating shaft, correspondence arranges sealing cover, forms Seal cage; Between sealing cover and rotating shaft, n road elastomer seal is set, by n road elastomer seal, at the outer surface of rotating shaft, form (n-1) the individual Seal cage being arranged in order; N is more than or equal to 4, at least forms three Seal cages, i.e. top seal chamber, middle part Seal cage and lower seal chamber; On top seal chamber, blowing mouth is set, on the Seal cage of middle part, air sucking mouth is set, at the disc of rotating shaft outer surface setting, be positioned at lower seal chamber; During use, by blowing mouth, in the Seal cage of top, pass into gas, by air sucking mouth by the gas in the Seal cage of middle part in pipeline sucks oil mist absorbing device, by oil mist absorbing device separating treatment; In the bottom of sealing cover, spill port is set and is communicated with oil groove lid internal cavities, make the fluid of sealing cover bottom can flow back to cavity inside.
Further feature is: the axial direction of described spill port phase countershaft, is obliquely installed.
With blower fan, be connected with blowing mouth, by blowing mouth, make progress in Seal cage and dry.
Described disc, is provided with the extension part to downward-extension, the formation tip, bottom of extension part.
Prevent the device that dynamo bearing mist of oil overflows, comprise the oil groove lid and the rotating shaft that are arranged on generator body, it is characterized in that: between groove lid and rotating shaft, correspondence arranges sealing cover, forms Seal cage; Between sealing cover and rotating shaft, three seals part is set, by three seals part, outer surface in rotating shaft forms two Seal cages that are arranged above and below, go up Seal cage and lower seal chamber, blowing mouth and air sucking mouth are set on upper Seal cage, and both are staggered positions setting on the surface of rotating shaft, at the disc of rotating shaft outer surface setting, is positioned at lower seal chamber; During use, by blowing mouth, make progress in Seal cage and pass into gas, by air sucking mouth by the gas in upper Seal cage in pipeline is pumped into oil mist absorbing device, by oil mist absorbing device separating treatment; In the bottom of sealing cover, spill port is set and covers inner cavity with oil groove and be communicated with, make the fluid of sealing cover bottom can flow back to oil groove and cover in inner cavity.
Blowing mouth and air sucking mouth, on the surface of rotating shaft, stagger 90 degree or 180 degree positions.
The device that prevents that dynamo bearing mist of oil from overflowing of the present invention, tool has the following advantages:
The mist of oil that 1, can produce when moving generator set seals, and mist of oil is limited in oil groove, is difficult to outwards fly away; Mist of oil can not cover edge or other suction port overflows from oil groove, enters in air and then pollutes power generating equipment parts around.
2, with high pressure positive blower blowing, offset outside negative pressure, with disc, block the lubricant oil climbing, by oil mist absorbing device absorption and separation mist of oil, reach the object of anti-negative pressure, oil throwing and purification mist of oil.
3, with high pressure positive blower, by intake grill, made progress in seal chamber and dried, the negative pressure that can offset the oil groove side of covering can prevent that again in oil groove, mist of oil overflows; The oil climbing along rotating shaft in oil groove is blocked by disc, then throws away and condenses in lower seal cavity wall, then by return opening, is flowed back in oil groove; The area from absorbing smoke outwards pipeline of oil mist absorbing device is connected with the air sucking mouth of middle Seal cage, and the mist of oil in oil groove upwards overflows along the gap between sealing cover and rotating shaft, during through intermediate seal cavity, just by oil mist absorbing device sucking-off separating treatment.Thereby reach anti-negative pressure, prevent outer object of getting rid of oil and mist of oil processing.
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Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is apparatus of the present invention partial structurtes sectional views;
Fig. 2 apparatus of the present invention are used 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-sealing cover, 3-blowing mouth, 4-air sucking mouth, 5-elastomer seal, 6-upper Seal cage, 7-middle Seal cage, 8-lower seal chamber, 9-rotating shaft, 10-disc, 11-spill port, 12-high pressure positive blower, 13-oil mist absorbing device.
Embodiment
As shown in Figure 1, 2, the device that prevents that dynamo bearing mist of oil from overflowing of the present invention, comprise the oil groove lid 1 and the rotating shaft 9 that are arranged on generator body, oil groove covers the cavity (oil groove) of 1 inside as depositing the lubricant oil that the rotatable parts (bearing) to generator are lubricated, be a circumferential groove, along with the rising of temperature, be immersed in the High Rotation Speed of the bearing in lubricant oil to the stirring of fluid, effect of impact, at lubricant oil, can produce mist of oil, be full of the cavity that oil groove covers 1 inside; Improvement of the present invention arranges sealing cover 2 between oil groove lid 1 and rotating shaft 9, and the space sealing between oil groove lid 1 and rotating shaft 9 is got up, and forms an airtight cavity, and the cavity that whole oil groove is covered to 1 inside is isolated from the outside out; Because rotating shaft 9 is high-speed rotary parts of generator, between sealing cover 2 and rotating shaft 9, n road elastomer seal 5 is set, by n road elastomer seal 5, outer surface in rotating shaft 9 forms (n-1) the individual Seal cage being arranged in order, and the airtight cavity that is about to form between oil groove lid 1 and rotating shaft 9 is divided into (n-1) individual Seal cage.N is at least 3, is integer, forms at least two Seal cages.
The first example structure shown in Fig. 1,2, arranges four road elastomer seals 5, has formed three Seal cages, i.e. top seal chamber 6, middle part Seal cage 7 and lower seal chamber 8; Described elastomer seal 5, is to have the materials such as flexible rubber or plastics, has Telescopic and wear-resisting, and itself and rotating shaft 9 contact position are provided with teeth, boss or pointed body etc., be convenient to and move in rotating shaft 9 between produce good sealing effect.On top seal chamber 6, (its around outer wall on) arranges blowing mouth 3, and on middle part Seal cage 7, (its around outer wall on) arranges air sucking mouth 4, be provided with disc 10, and disc 10 is positioned at lower seal chamber 8 in the rotating shaft 9 of generator; Disc 10 is set in rotating shaft 9 outer surfaces, and its height that protrudes rotating shaft 9 surfaces is set according to concrete spatial position, can tilt downwards, and the direction to oil groove lid 1 tilts, and forms the oil ring with barrier effect.In the bottom of sealing cover 2, spill port 11 is set and is communicated with the cavity (oil groove) that oil groove covers 1 inside, the fluid of sealing cover 2 bottoms can be flowed back in cavity (oil groove); The axial direction of spill port 11 phase countershafts 9, is obliquely installed, and the mist of oil that can significantly reduce in oil groove rises in lower seal chamber 8 by spill port 11.Device of the present invention, in use by the blowing mouth 3 upwards interior blowings of Seal cage 6, concrete with blower fan 12(high pressure positive blower) by supply air duct, be connected with blowing mouth 3, or over against blowing mouth 3, by the blowing mouth 3 upwards interior blowings of Seal cage 6, not only offset the negative pressure of the oil groove side of covering but also prevent that in oil groove, mist of oil overflows; During rotating shaft 9 rotation, part fluid adheres to from the teeth outwards, along with rotation, upwards climbs, and this part oil climbing along rotating shaft 9 is blocked by disc 10, then throws away and condenses in lower seal chamber 8 inwalls, then by spill port 11, is flowed back in oil groove; Oil mist absorbing device 13 is connected with the air sucking mouth 4 use pipelines of middle Seal cage 7, when the mist of oil in oil groove upwards overflows along the gap between sealing cover 2 and rotating shaft 9, through intermediate seal cavity 7, will be by oil mist absorbing device 13 sucking-offs separating treatment.Thereby reach anti-negative pressure, prevent outer object of getting rid of oil and mist of oil processing.
N of the present invention is greater than 4, three above Seal cages have been formed, as 4,5,6,7 etc., still can be summed up as top seal chamber, middle part Seal cage and lower seal chamber, just 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 Seal cage is the two or more cavity of intermediate portion, remove the top seal chamber of uppermost position, the cavity beyond the lower seal chamber of bottom position is all middle part Seal cage.Blowing mouth 3 is arranged on top seal chamber, and air sucking mouth 4 is arranged on any middle part Seal cage, is preferably arranged on that middle part Seal cage in next-door neighbour top seal chamber, and disc 10 is arranged on lower seal chamber equally.This kind of structure, has increased the road number (number of plies) of elastomer seal 5, although a little complicated a little in structure, can obtain more excellent sealing effect.
During device busy of the present invention, because exterior clean air enters in upper Seal cage by blowing mouth 3 through blower fan 12, the negative pressure that mist of oil trend is not produced by the oil groove side of covering generator when rotated in oil groove is affected, can prevent that mist of oil from outwards overflowing pollution surrounding space because of negative pressure; And oil mist absorbing device 13 aspirates away the oil-containing gases in upper Seal cage and middle part Seal cage process, and also can not pollute surrounding space; The fluid upwards climbing in company with its rotation when rotating shaft 9 rotation, is blocked by disc 10, then throws away and condenses in lower seal chamber 8 inwalls, then by spill port 11, is flowed back in oil groove, forms circulation.
As shown in Figure 3,4, the second example structure of the present invention, arranges three seals part 5, by three seals part 5, is arranged in order two Seal cages of (being arranged above and below) in the outer surface formation of rotating shaft 9, goes up Seal cage 6 and lower seal chamber 8; The airtight cavity that is about to form between oil groove lid 1 and rotating shaft 9 is divided into two Seal cages; On upper Seal cage 6, (its around outer wall on) arranges blowing mouth 3 and air sucking mouth 4, be provided with disc 10, and disc 10 is positioned at lower seal chamber 8 in the rotating shaft 9 of generator; Disc 10 is set in rotating shaft 9 outer surfaces, and its height that protrudes rotating shaft 9 surfaces is set according to concrete spatial position, can tilt downwards, and the direction to oil groove lid 1 tilts, and forms the oil ring with barrier effect.In the bottom of sealing cover 2, spill port 11 is set and is communicated with the cavity (oil groove) that oil groove covers 1 inside, make the fluid of sealing cover 2 bottoms can flow back in oil groove; The axial direction of spill port 11 phase countershafts 9, is obliquely installed, and the mist of oil that can significantly reduce in oil groove rises in lower seal chamber 8 by spill port 11.During use, pass through the blowing mouth 3 upwards interior blowings of Seal cage 6, concrete with blower fan 12(high pressure positive blower) by supply air duct, be connected with blowing mouth 3, or over against blowing mouth 3, by the blowing mouth 3 upwards interior blowings of Seal cage 6, not only offset the negative pressure of the oil groove side of covering but also prevent that in oil groove, mist of oil overflows; During rotating shaft 9 rotation, part fluid adheres to from the teeth outwards, along with rotation, upwards climbs, and this part oil climbing along rotating shaft 9 is blocked by disc 10, then throws away and condenses in lower seal chamber 8 inwalls, then by spill port 11, is flowed back in oil groove; Oil mist absorbing device 13 is connected with the air sucking mouth 4 use pipelines of upper Seal cage 6, and when the mist of oil in oil groove upwards overflows along the gap between sealing cover 2 and rotating shaft 9, in process, Seal cage 6, will be by oil mist absorbing device 13 sucking-offs separating treatment.Thereby reach anti-negative pressure, prevent outer object of getting rid of oil and mist of oil processing.
The blowing mouth 3 of the present embodiment and air sucking mouth 4 are all arranged in Seal cage 6, all be communicated with upper Seal cage 6, the setting of staggering of both positions on the surface of rotating shaft 9, as stagger 90 degree or 180 degree, 90 degree or 180 degree angles layouts stagger on the surface of rotating shaft 9, by blowing mouth 3, upwards in Seal cage, pass into gas, by air sucking mouth 4 by the gas in upper Seal cage in pipeline is pumped into oil mist absorbing device 13, by oil mist absorbing device 13 sucking-offs separating treatment.The disc 10 being arranged in the rotating shaft 9 of generator is positioned at lower seal chamber.Shown in Fig. 2, be respectively provided with two Fans 12 and oil mist absorbing device 13,90 degree that staggered each other arrange, and can obtain more excellent effect.
Finally it should be noted that, above embodiment is only in order to illustrate technological scheme of the present invention but not restriction technologies scheme, although claimant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified or are equal to replacement technological scheme of the present invention, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. prevent the device that dynamo bearing mist of oil overflows, comprise the oil groove lid (1) and the rotating shaft (9) that are arranged on generator body, it is characterized in that: between groove lid (1) and rotating shaft (9), correspondence arranges sealing cover (2), form Seal cage; Between sealing cover (2) and rotating shaft (9), n road elastomer seal (5) is set, by n road elastomer seal (5), at the outer surface of rotating shaft (9), form (n-1) the individual Seal cage being arranged in order; N is more than or equal to 4, at least forms three Seal cages, i.e. top seal chamber (6), middle part Seal cage (7) and lower seal chamber (8); Blowing mouth (3) is set on top seal chamber (6), air sucking mouth (4) is set on middle part Seal cage (7), the disc (10) arranging at rotating shaft (9) outer surface is positioned at lower seal chamber (10); Bottom in sealing cover (2), arranges spill port (11) and is communicated with oil groove lid (1) lower cavity, makes the fluid of sealing cover (2) bottom can flow back to cavity inside; During use, by blowing mouth (3), in top Seal cage (6), pass into gas, by air sucking mouth (4) by the gas in middle part Seal cage (7) in pipeline sucks oil mist absorbing device (13), by oil mist absorbing device (13) separating treatment.
2. the device that prevents that dynamo bearing mist of oil from overflowing according to claim 1, is characterized in that: the axial direction of described spill port (11) phase countershaft (9), is obliquely installed.
3. the device that prevents that dynamo bearing mist of oil from overflowing according to claim 1 and 2, is characterized in that: with blower fan (12), be connected with blowing mouth (3), by blowing mouth (3), upwards in Seal cage, dry.
4. the device that prevents that dynamo bearing mist of oil from overflowing according to claim 1 and 2, is characterized in that: described disc (10), is provided with the extension part to downward-extension, the formation tip, bottom of extension part.
5. prevent the device that dynamo bearing mist of oil overflows, comprise the oil groove lid (1) and the rotating shaft (9) that are arranged on generator body, it is characterized in that: between oil groove lid (1) and rotating shaft (9), correspondence arranges sealing cover (2), form Seal cage; Between sealing cover (2) and rotating shaft (9), three seals part (5) is set, by three seals part (5), outer surface in rotating shaft (9) forms two Seal cages that are arranged above and below, go up Seal cage (6) and lower seal chamber (8), blowing mouth (3) and air sucking mouth (4) are set on upper Seal cage (6), and both are staggered positions setting on the surface of rotating shaft (9), and the disc (10) arranging at rotating shaft (9) outer surface is positioned at lower seal chamber (8); Bottom in sealing cover (2), arranges spill port (11) cavity inner with oil groove lid (1) and is communicated with, and the fluid of sealing cover (2) bottom can be flowed back in the inner cavity of oil groove lid (1); During use, by blowing mouth (3), upwards in Seal cage (6), pass into gas, by air sucking mouth (4) by the gas in upper Seal cage (6) in pipeline is pumped into oil mist absorbing device (13), by oil mist absorbing device (13) separating treatment.
6. the device that prevents that dynamo bearing mist of oil from overflowing according to claim 5, is characterized in that: blowing mouth (3) and air sucking mouth (4), on the surface of rotating shaft (9), stagger 90 degree or 180 degree positions.
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 |
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| 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 |
|---|---|
| CN103615541A true CN103615541A (en) | 2014-03-05 |
| CN103615541B 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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| Country | Link |
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Cited By (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 |
| 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 |
| CN107191597A (en) * | 2017-07-10 | 2017-09-22 | 张宏伟 | Generating sump anti-oil mist overflowing and condensation deposition structure |
| CN107542936A (en) * | 2016-06-26 | 2018-01-05 | 哈尔滨盛迪电力设备有限公司 | The double air ring sealing devices of magnetic suspension positioning |
| CN108869746A (en) * | 2018-08-17 | 2018-11-23 | 苏州欧拉透平机械有限公司 | Slewing oil enveloping structure |
| CN114110169A (en) * | 2021-11-22 | 2022-03-01 | 重庆华能水电设备制造有限公司 | Oil mist overflow prevention air outlet sealing structure of generator |
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| 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 |
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| 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 |
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| 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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2013
- 2013-11-29 CN CN201310620684.0A patent/CN103615541B/en not_active Ceased
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| 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 |
| 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 |
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Cited By (9)
| 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 |
| CN107542936A (en) * | 2016-06-26 | 2018-01-05 | 哈尔滨盛迪电力设备有限公司 | The double air ring sealing devices of magnetic suspension positioning |
| 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 |
| CN107191597A (en) * | 2017-07-10 | 2017-09-22 | 张宏伟 | Generating sump anti-oil mist overflowing and condensation deposition structure |
| 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 |
| CN114110169A (en) * | 2021-11-22 | 2022-03-01 | 重庆华能水电设备制造有限公司 | Oil mist overflow prevention air outlet sealing structure of generator |
| 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 |
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|---|---|
| CN103615541B (en) | 2016-08-17 |
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Effective date of registration: 20190320 Address after: 400054 Fourteenth Society of Huaxi Xianfeng Village, Banan District, Chongqing Patentee after: CHONGQING HUANENG HYDRO EQUIPMENT MANUFACTURING CO.,LTD. Address before: 400054 Chongqing Banan District Lijiatuo Pioneer Industrial Park Chongqing Huaneng Hydropower Equipment Manufacturing Co., Ltd. Patentee before: Zhang Hongwei |
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Decision date of declaring invalidation: 20230707 Decision number of declaring invalidation: 561149 Granted publication date: 20160817 |