CN106787375A - A kind of back-shaped oil seal structure of steam turbine generator - Google Patents
A kind of back-shaped oil seal structure of steam turbine generator Download PDFInfo
- Publication number
- CN106787375A CN106787375A CN201611154711.XA CN201611154711A CN106787375A CN 106787375 A CN106787375 A CN 106787375A CN 201611154711 A CN201611154711 A CN 201611154711A CN 106787375 A CN106787375 A CN 106787375A
- Authority
- CN
- China
- Prior art keywords
- oil
- oil duct
- steam turbine
- turbine generator
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
-
- 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 present invention provides a kind of steam turbine generator and " returns " shape oil seal structure, including transition rings, end cap and seal receptacle, the transition rings by sealing plate respectively with end cap, seal receptacle forms sealing structure, first oil duct being mutually communicated is opened up in the transition rings, second oil duct, first oil duct, second oil duct extends through sealing plate, mounting groove is opened up on the end cap and rabbets the second sealing strip in the mounting groove, mounting groove is opened up on the seal receptacle and rabbets the first sealing strip in the mounting groove, in first oil duct, Seal Oil is filled in second oil duct, first oil duct, second oil duct, sealing plate and the second sealing strip and the first sealing strip are collectively forming " returning " shape oil seal structure.The present invention can greatly reduce benefit hydrogen amount when steam turbine generator runs, and reduce the application cost of steam turbine generator, and the safe operation reliability of steam turbine generator is effectively improved.
Description
Technical field
The present invention relates to the design of Sealing Structure technical field of steam turbine generator, more particularly, to a kind of steam turbine generator
" returning " shape oil seal structure.
Background technology
The main heat-exchanging part of steam turbine generator is hydrogen cooler (referred to as " hydrogen-cooled device ", similarly hereinafter), cooling therein
Medium is hydrogen.Because hydrogen is most light gas, its permeability and diffusivity are very strong, in the pressure vessel for filling hydrogen
Easily cause hydrogen gas leakage.With being continuously increased for hydrogen gas leakage amount, exerting oneself for steam turbine generator will be had influence on, or even cause
Blast, so as to cause security incident, therefore, operating steam turbine generator has strict requirements for the leakage rate of hydrogen.
Mainly using single current ring, double-current ring or three stream ring sealing structures, this sealing structure exists current steam turbine generator
The defect of sealed pathway not exclusively closing is primarily present in the steam turbine generator course of work, especially in its horizontal joint close face
Position, it is impossible to fully ensure that the effective obstruct between the interior hydrogen side (higher-pressure region) and machine outside (low-pressure area) of steam turbine generator, make portion
Hydrogen is divided to be able to flow to machine outside (low-pressure area) from the interior hydrogen side (higher-pressure region) of steam turbine generator, so as to cause steam turbine generator work
As when there is the defects such as gas leakage, oil leak, especially at horizontal joint surface, oil leakage phenomenon also relatively frequently occur.In steamer hair
In the motor course of work, during in the event of defects such as gas leakage, oil leaks, the benefit hydrogen amount that will result directly in steam turbine generator increases, phase
Also increase application cost with answering.
The content of the invention
The technical problem to be solved in the present invention is：For the problem that prior art is present, there is provided a kind of steam turbine generator
" returning " shape oil seal structure, reduces benefit hydrogen amount when steam turbine generator runs, and reduces the application cost of steam turbine generator.
The technical problem to be solved in the present invention is realized using following technical scheme：It is close that a kind of steam turbine generator " returns " shape oil
Seal structure, including transition rings, end cap and seal receptacle, the transition rings form sealing with end cap, seal receptacle respectively by sealing plate
Structure, opens up first oil duct, second oil duct being mutually communicated, first oil duct, second oil in the transition rings
Road extends through sealing plate, mounting groove is opened up on the end cap and rabbets the second sealing strip, the sealing in the mounting groove
Mounting groove is opened up on seat and rabbet the first sealing strip in the mounting groove, fill close in first oil duct, second oil duct
Oil sealing, first oil duct, second oil duct, sealing plate and the second sealing strip and the first sealing strip are collectively forming " returning " shape
Oil seal structure.
Preferably, the first hole for injecting glue is opened up in described transition rings, is opened up on the seal receptacle and the first hole for injecting glue insertion
Ring-shaped pouring glue groove, by the first hole for injecting glue formed to filling with sealant in the ring-shaped pouring glue groove on seal receptacle fluid sealant block up
Head, sealing structure is formed between the fluid sealant plug and sealing plate.
Preferably, the second hole for injecting glue is opened up in described transition rings, is opened up on the end cap and the second hole for injecting glue insertion
Ring-shaped pouring glue groove, forms fluid sealant plug, institute by the second hole for injecting glue to filling with sealant in the ring-shaped pouring glue groove on end cap
State and form sealing structure between fluid sealant plug and sealing plate.
Preferably, the main oil gallery being mutually communicated, described first oil duct, are set between the transition rings and seal receptacle
Two oil ducts are mutually communicated with main oil gallery respectively, and Seal Oil is filled in first oil duct, second oil duct, main oil gallery.
Preferably, open up the first dashpot in the transition rings, first dashpot respectively with main oil gallery, first oil
Road is mutually communicated.
Preferably, open up the second dashpot in the transition rings, second dashpot respectively with main oil gallery, second oil
Road is mutually communicated.
Preferably, described transition rings, seal receptacle before assembly, process the second horizontal joint surface bedding-in in transition rings
Region, processes first level joint surface bedding-in region on seal receptacle, and after transition rings, seal receptacle are assembled in place, it is described
First level joint surface bedding-in region, the real contact area sum in the second horizontal joint surface bedding-in region account for first water
Flat seam face bedding-in region and more than the 90% of the second horizontal joint surface bedding-in region area sum.
Compared with prior art, the beneficial effects of the invention are as follows：Due to transition rings by sealing plate respectively with end cap, sealing
Seat forms sealing structure, and first oil duct, second oil duct, sealing plate and the second sealing strip and the common shape of the first sealing strip
Into " returning " shape oil seal structure, therefore so that the present invention has multi-sealing structure such that it is able to greatly intercept turbine generator
The hydrogen of hydrogen side is leaked to machine outside in machine, greatly reduces benefit hydrogen amount when steam turbine generator runs, and reduces turbine generator
The application cost of machine, and effectively increase the safe operation reliability of steam turbine generator.
Brief description of the drawings
Fig. 1 is the structure cutaway view that a kind of steam turbine generator of the invention " returns " shape oil seal structure.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Marked in figure：1- transition rings, first oil duct of 2-, the dashpots of 3- second, second oil duct of 4-, 5- sealing plates, 6-
Second sealing strip, the sealing strips of 7- first, 8- end caps, 9- first level joint surface bedding-ins region, 10- main oil gallerys, 11- seal receptacles,
12- host buffer grooves, the 3rd oil duct of 13-, the dashpots of 14- first, the horizontal joint surface bedding-in regions of 15- second, the injecting glues of 16- first
Hole, 17- fluid sealant plugs, the hole for injecting glue of 18- second.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of steam turbine generator as shown in Figure 1 and Figure 2 " returns " shape oil seal structure, mainly includes transition rings 1, the and of end cap 8
Seal receptacle 11, the transition rings 1 form sealing structure, transition rings therein 1 with end cap 8, seal receptacle 11 respectively by sealing plate 5
Between end cap 8, fixation can be respectively bolted between seal receptacle 11 and transition rings 1, and bolt passes through sealing plate 5,
The sealing plate 5 is preferably rubber slab, is that sealing plate 5 is adhered directly in transition rings 1 generally.The seal receptacle 11 it is interior
Side is interior hydrogen side, and the outside of the transition rings 1 is machine outside, wherein, interior hydrogen side is mainly high pressure hydrogen, belongs to generator high pressure
Area, and machine outside is air side, belongs to generator low-pressure area.Mounting groove is opened up on end cap 8 and is rabbeted in the mounting groove
Second sealing strip 6, mounting groove is also opened up on seal receptacle 11 and rabbets the first sealing strip 7 in the mounting groove.
The main oil gallery 10 being mutually communicated is set between described transition rings 1 and seal receptacle 11, and is opened up in transition rings 1 point
First oil duct not being mutually communicated with main oil gallery 10,2, second oil duct 4, so that first oil duct 2 and second oil duct 4
Between be also mutually communicated；Corresponding openings are opened up on sealing plate 5, first oil duct, 2, second oil duct 4 is passed through respectively
Sealing plate 5 is worn, Seal Oil is filled in first oil duct 2, second oil duct 4, main oil gallery 10, by first oil duct 2, second
Oil duct 4, the sealing strip 6 of sealing plate 5 and second and the first sealing strip 7 are collectively forming " returning " shape oil seal structure, also, therein
Seal Oil in first sealing strip 7, sealing plate 5 and first oil duct 2 is collectively forming sealing structure, the second sealing strip 6 therein,
Seal Oil in sealing plate 5 and second oil duct 4 is collectively forming sealing structure.The cross sectional shape of first sealing strip 7 is preferred
For tubaeform, in rabbeting the mounting groove on seal receptacle 11 securely so as to the first sealing strip 7.Similarly, second sealing
The cross sectional shape of bar 6 is preferably tubaeform, in rabbeting the mounting groove on end cap 8 securely so as to the second sealing strip 6.Described
First sealing strip 7, the second sealing strip 6 are preferably using the rubber strip of annular.
In view of steam turbine generator operationally, the permeability of the high pressure hydrogen of its interior hydrogen side, diffusivity are very strong, in order to
The high pressure hydrogen of hydrogen side in generator is preferably avoided to leak to the machine outside of generator low-pressure area, as shown in Figure 1 and Figure 2, can be with
The first hole for injecting glue 16 and the second hole for injecting glue 18 are opened up in transition rings 1, is opened up on seal receptacle 11 and the insertion of the first hole for injecting glue 16
Ring-shaped pouring glue groove, fluid sealant is formed to filling with sealant in the ring-shaped pouring glue groove on seal receptacle 11 by the first hole for injecting glue 16
Plug 17, sealing structure is formed between described fluid sealant plug 17 and sealing plate 5.Opened up on end cap 8 and the second hole for injecting glue
The ring-shaped pouring glue groove of 18 insertions, forms close by the second hole for injecting glue 18 to filling with sealant in the ring-shaped pouring glue groove on end cap 8
Sealing plug 17, sealing structure is formed between the fluid sealant plug 17 and sealing plate 5.By the first hole for injecting glue 16, the second note
Glue hole 18 carries out injecting glue so that steam turbine generator of the invention " returns " shape oil seal structure has double loop injecting glue conjunction sealing surface
Structure, considerably reduces benefit hydrogen amount when steam turbine generator runs, and reduces the application cost of steam turbine generator, and effectively
Improve the safe operation reliability of steam turbine generator.
In order to further improve the sealing reliability that above-mentioned steam turbine generator " returns " shape oil seal structure, as shown in Figure 1, Figure 2
It is shown, can open up the first dashpot 14, the second dashpot 3 in transition rings 1, first dashpot 14 respectively with main oil gallery
10th, first oil duct 2 is mutually communicated, and second dashpot 3 is mutually communicated with 10, second oil duct 4 of main oil gallery respectively.It is preferred that
Ground, first dashpot 14 uses bar-shaped trough, and its two ends forms circular arc transition part respectively；Preferably, second buffering
Groove 3 uses circular trough.In addition, host buffer groove 12, the 3rd oil duct 13 being mutually communicated can be opened up on seal receptacle 11, it is described
Host buffer groove 12 and main oil gallery 10 between be mutually communicated.After such structure design so that transition rings 1 and seal receptacle 11
Between formed " returning " shape oil groove sealing structure.By " returning " shape oil groove sealing structure and by the first sealing strip 7 and the institute of seal receptacle 11
The insert seal structure of formation and it is combined with the insert seal structure that end cap 8 is formed by the second sealing strip 6, enters one
Enhance to step complete trails closing of the steam turbine generator at horizontal joint surface, it is ensured that hydrogen and steamer on the inside of steam turbine generator
The obstruct between air on the outside of generator, greatly reduces the leakage phenomenon such as gas leakage, oil leak when steam turbine generator works, and has
Improve to effect the safe operation ability of steam turbine generator.
Further, described transition rings 1, end cap 8, seal receptacle 11 before assembly, can process in transition rings 1
Two horizontal joint surface bedding-in regions 15, process first level joint surface bedding-in region 9, " bedding-in " herein on seal receptacle 11
Refer to the metal working process that plane roughness processing is carried out to metal combination face, it is therefore an objective to improve the mutual cooperation of metal combination face
When real contact area.Described first level joint surface bedding-in region 9, the second horizontal covering of joint surface bedding-in region 15 master
Oil duct 10, the second horizontal covering of joint surface bedding-in region 15 first oil duct, 2, second oil duct 4, grinds in first level joint surface
Contact binding face with region 9, the second horizontal joint surface bedding-in region 15 can also encrypt sealing.When transition rings 1, end cap 8, close
Envelope seat 11 is after assembling in place, and first sealing strip 7 forms sealing structure with first oil duct 2, sealing plate 5 respectively, described
Second sealing strip 6 forms sealing structure with second oil duct 4, sealing plate 5 respectively；And first level joint surface bedding-in area therein
Domain 9, the real contact area sum in the second horizontal joint surface bedding-in region 15 are preferably to account for the first level joint surface to grind
More than 90% of area sum with the horizontal joint surface bedding-in region 15 in region 9 and second.Closed by steam turbine generator level
Seam face proposes bedding-in contact area, the requirement of encryption sealing, can better ensure that steam turbine generator " returns " shape oil seal structure
To the effective obstruct between the air on the outside of the hydrogen and machine of hydrogen side in generator, it is to avoid closed in level when steam turbine generator works
There is the leakage phenomenons such as gas leakage, oil leak at seam face, to ensure the safe operation ability of steam turbine generator.
The building block that steam turbine generator of the invention " returns " shape oil seal structure is less, and between each relevant components part
Assembling it is fairly simple, therefore so that the unitary construction that steam turbine generator " returns " shape oil seal structure is relatively easy, compact, and
It is easy to assembly.Wherein, the fluid sealant plug 17 for " being returned " in shape oil seal structure for steam turbine generator, can directly use injecting glue
Rifle so that certain injection pressure carries out injecting glue operation in the first hole for injecting glue 16, the second hole for injecting glue 18 to forming.Preferably, it is described close
The tapered structure of cross sectional shape of sealing plug 17, to improve anti-seismic performance of the fluid sealant plug 17 when steam turbine generator works
And sealing reliability.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is noted that be all
Any modification, equivalent and improvement for being made within the spirit and principles in the present invention etc., should be included in guarantor of the invention
Within the scope of shield.
Claims (7)
1. a kind of steam turbine generator " returns " shape oil seal structure, including transition rings (1), end cap (8) and seal receptacle (11), the mistake
Cross ring (1) and sealing structure formed with end cap (8), seal receptacle (11) by sealing plate (5) respectively, it is characterised in that：Described mistake
Cross first oil duct (2), second oil duct (4) for being opened up on ring (1) and being mutually communicated, first oil duct (2), second oil
Road (4) extends through sealing plate (5), mounting groove is opened up on the end cap (8) and rabbets the second sealing strip in the mounting groove
(6), open up mounting groove on the seal receptacle (11) and rabbet the first sealing strip (7) in the mounting groove, in first oil duct
(2), filling Seal Oil in second oil duct (4), first oil duct (2), second oil duct (4), sealing plate (5) and the
Two sealing strips (6) and the first sealing strip (7) are collectively forming " returning " shape oil seal structure.
2. a kind of steam turbine generator according to claim 1 " returns " shape oil seal structure, it is characterised in that：Described transition
The first hole for injecting glue (16) is opened up on ring (1), the annular injecting glue with the first hole for injecting glue (16) insertion is opened up on the seal receptacle (11)
Groove, fluid sealant plug is formed by the first hole for injecting glue (16) to filling with sealant in the ring-shaped pouring glue groove on seal receptacle (11)
(17), sealing structure is formed between the fluid sealant plug (17) and sealing plate (5).
3. a kind of steam turbine generator according to claim 1 " returns " shape oil seal structure, it is characterised in that：Described transition
The second hole for injecting glue (18) is opened up on ring (1), the ring-shaped pouring glue groove with the second hole for injecting glue (18) insertion is opened up on the end cap (8),
Fluid sealant plug (17) is formed to filling with sealant in the ring-shaped pouring glue groove on end cap (8) by the second hole for injecting glue (18), institute
State and form sealing structure between fluid sealant plug (17) and sealing plate (5).
4. a kind of steam turbine generator according to claim any one of 1-3 " returns " shape oil seal structure, it is characterised in that：Institute
State the main oil gallery (10) for being set between transition rings (1) and seal receptacle (11) and being mutually communicated, described first oil duct (2), second
Branch oil duct (4) is mutually communicated with main oil gallery (10) respectively, in first oil duct (2), second oil duct (4), main oil gallery (10)
Filling Seal Oil.
5. a kind of steam turbine generator according to claim 4 " returns " shape oil seal structure, it is characterised in that：The transition rings
(1) the first dashpot (14) is opened up on, first dashpot (14) is mutual with main oil gallery (10), first oil duct (2) respectively
Insertion.
6. a kind of steam turbine generator according to claim 4 " returns " shape oil seal structure, it is characterised in that：The transition rings
(1) the second dashpot (3) is opened up on, second dashpot (3) is mutually passed through with main oil gallery (10), second oil duct (4) respectively
It is logical.
7. a kind of steam turbine generator according to claim 4 " returns " shape oil seal structure, it is characterised in that：Described transition
Ring (1), seal receptacle (11) before assembly, process the second horizontal joint surface bedding-in region (15) in transition rings (1), in sealing
First level joint surface bedding-in region (9) is processed on seat (11), and after transition rings (1), seal receptacle (11) are assembled in place, institute
First level joint surface bedding-in region (9), the real contact area sum of the second horizontal joint surface bedding-in region (15) is stated to account for
The first level joint surface bedding-in region (9) and more than the 90% of the second horizontal joint surface bedding-in region (15) area sum.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154711.XA CN106787375B (en) | 2016-12-14 | 2016-12-14 | Oil seal structure is taken turns to turbo generator |
| GB1908414.4A GB2571487B (en) | 2016-12-14 | 2017-12-04 | Loop-shaped oil sealing structure of steam turbine generator |
| PCT/CN2017/114364 WO2018107985A1 (en) | 2016-12-14 | 2017-12-04 | Loop-shaped oil sealing structure of steam turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154711.XA CN106787375B (en) | 2016-12-14 | 2016-12-14 | Oil seal structure is taken turns to turbo generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787375A true CN106787375A (en) | 2017-05-31 |
| CN106787375B CN106787375B (en) | 2023-04-21 |
Family
ID=58888859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611154711.XA Active CN106787375B (en) | 2016-12-14 | 2016-12-14 | Oil seal structure is taken turns to turbo generator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106787375B (en) |
| GB (1) | GB2571487B (en) |
| WO (1) | WO2018107985A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107985A1 (en) * | 2016-12-14 | 2018-06-21 | 东方电气集团东方电机有限公司 | Loop-shaped oil sealing structure of steam turbine generator |
| CN113394930A (en) * | 2021-05-25 | 2021-09-14 | 福建福清核电有限公司 | Glue injection sealing device and method for end cover of generator of nuclear power station |
| CN116760249A (en) * | 2023-08-16 | 2023-09-15 | 哈尔滨电机厂有限责任公司 | Generator on-site glue pouring process method of end glue pouring structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2346111Y (en) * | 1998-04-28 | 1999-10-27 | 牡丹江电力技术研究所 | Inserted light hydrogen-cooled turbo-generator sealed tile |
| US6193036B1 (en) * | 1997-06-30 | 2001-02-27 | Valeo | Hydrokinetic coupling apparatus with lock-up clutch for motor vehicle |
| CN2639528Y (en) * | 2003-07-21 | 2004-09-08 | 东方汽轮机厂 | Bearing box oil seal of steam turbine generator |
| CN201546766U (en) * | 2009-11-27 | 2010-08-11 | 哈尔滨电机厂有限责任公司 | Lubricating oil sealing device for turbogenerator stand type bearing |
| CN201682346U (en) * | 2010-05-25 | 2010-12-22 | 王彦军 | Double flowing ring sealing oil system of hydrogen cooling turbogenerator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU815843A1 (en) * | 1979-06-06 | 1981-03-23 | Центральное Конструкторское Бюроглавэнергоремонта | Turbogenerator with hydrogen cooling |
| CN2717099Y (en) * | 2004-06-08 | 2005-08-10 | 董乃芬 | Hydrogen cooling generator |
| CN203035951U (en) * | 2012-12-24 | 2013-07-03 | 河南华润电力首阳山有限公司 | Sealing device |
| CN204344929U (en) * | 2014-11-06 | 2015-05-20 | 上海电气电站设备有限公司 | A kind of double-current ring seal oil system |
| CN206449198U (en) * | 2016-12-14 | 2017-08-29 | 东方电气集团东方电机有限公司 | A kind of steam turbine generator injecting glue type oil seal structure |
| CN106787375B (en) * | 2016-12-14 | 2023-04-21 | 东方电气集团东方电机有限公司 | Oil seal structure is taken turns to turbo generator |
-
2016
- 2016-12-14 CN CN201611154711.XA patent/CN106787375B/en active Active
-
2017
- 2017-12-04 GB GB1908414.4A patent/GB2571487B/en active Active
- 2017-12-04 WO PCT/CN2017/114364 patent/WO2018107985A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193036B1 (en) * | 1997-06-30 | 2001-02-27 | Valeo | Hydrokinetic coupling apparatus with lock-up clutch for motor vehicle |
| CN2346111Y (en) * | 1998-04-28 | 1999-10-27 | 牡丹江电力技术研究所 | Inserted light hydrogen-cooled turbo-generator sealed tile |
| CN2639528Y (en) * | 2003-07-21 | 2004-09-08 | 东方汽轮机厂 | Bearing box oil seal of steam turbine generator |
| CN201546766U (en) * | 2009-11-27 | 2010-08-11 | 哈尔滨电机厂有限责任公司 | Lubricating oil sealing device for turbogenerator stand type bearing |
| CN201682346U (en) * | 2010-05-25 | 2010-12-22 | 王彦军 | Double flowing ring sealing oil system of hydrogen cooling turbogenerator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107985A1 (en) * | 2016-12-14 | 2018-06-21 | 东方电气集团东方电机有限公司 | Loop-shaped oil sealing structure of steam turbine generator |
| GB2571487A (en) * | 2016-12-14 | 2019-08-28 | Dongfang Electric Machinery Co Ltd | Loop-shaped oil sealing structure of steam turbine generator |
| GB2571487B (en) * | 2016-12-14 | 2022-03-23 | Dongfang Electric Machinery Co Ltd | Loop-shaped oil sealing structure of steam turbine generator |
| CN113394930A (en) * | 2021-05-25 | 2021-09-14 | 福建福清核电有限公司 | Glue injection sealing device and method for end cover of generator of nuclear power station |
| CN116760249A (en) * | 2023-08-16 | 2023-09-15 | 哈尔滨电机厂有限责任公司 | Generator on-site glue pouring process method of end glue pouring structure |
| CN116760249B (en) * | 2023-08-16 | 2023-11-10 | 哈尔滨电机厂有限责任公司 | Generator on-site glue pouring process method of end glue pouring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018107985A1 (en) | 2018-06-21 |
| GB2571487A8 (en) | 2019-09-25 |
| GB2571487B (en) | 2022-03-23 |
| GB201908414D0 (en) | 2019-07-24 |
| CN106787375B (en) | 2023-04-21 |
| GB2571487A (en) | 2019-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106787375A (en) | A kind of back-shaped oil seal structure of steam turbine generator | |
| CN104895825B (en) | The axle sleeve and its centrifugal pump cooling system for cooling down double mechanical seal friction pair | |
| CN102777642A (en) | Nose seal for surge relief valves | |
| CN106787374A (en) | A kind of steam turbine generator complete trails sealing structure and assembly method | |
| CN205533096U (en) | Compressor air cooling packs | |
| CN105090518A (en) | Corrugated pipe type dry gas seal device and seal method | |
| CN206449198U (en) | A kind of steam turbine generator injecting glue type oil seal structure | |
| CN206293995U (en) | A kind of steam turbine generator complete trails sealing structure | |
| CN103470793B (en) | Double inclined plane eccentric-butterfly-valve | |
| CN205101559U (en) | Sealing device is used to high temperature resistant high pressure resistant axle | |
| CN204493815U (en) | A kind of Direct spring loaded safety valve | |
| CN103603803B (en) | A kind of water vapor screw compressor shaft seal structure | |
| GB572076A (en) | Improvements in and relating to liquid seals for shafts | |
| CN209340721U (en) | High pressure vapor line plug | |
| CN106321880A (en) | Sealing structure for seal valve | |
| CN207393570U (en) | Centrifugal air pump with edge seal structure | |
| CN104358923A (en) | High-temperature and high-pressure valve packing sealing structure | |
| CN207005330U (en) | A kind of surge reliever sealing structure | |
| CN202597023U (en) | High-pressure packing sealing device for compressor | |
| CN204187115U (en) | High temperature high pressure valve packing seal structure | |
| CN206092330U (en) | Labyrinth floating ring seal box | |
| CN205278653U (en) | Double -deck sealed hagioscope of pipeline | |
| CN208900134U (en) | More baffles are into vapour formula turbine bearing pad water-inlet-proof oil sealing device | |
| CN203756994U (en) | Shaft end gas film sealing device | |
| CN207893142U (en) | Combined type ensures confined gas valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |