CN206461469U - A kind of steam turbine generator sealing oil system - Google Patents
A kind of steam turbine generator sealing oil system Download PDFInfo
- Publication number
- CN206461469U CN206461469U CN201621445078.5U CN201621445078U CN206461469U CN 206461469 U CN206461469 U CN 206461469U CN 201621445078 U CN201621445078 U CN 201621445078U CN 206461469 U CN206461469 U CN 206461469U
- Authority
- CN
- China
- Prior art keywords
- oil
- engine block
- vacuum tank
- steam turbine
- tank
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000002828 fuel tank Substances 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 56
- 239000001257 hydrogen Substances 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of steam turbine generator sealing oil system, including engine block, Seal Oil expansion tank is provided with below the engine block, the Seal Oil expansion tank is connected to an air and separates out case and ball float clack box, the air separates out case connection main fuel tank once, the air separates out case and is also associated with a vacuum tank, the vacuum tank is connected with a primary seal oil pump, the primary seal oil pump is connected by pipeline with the engine block, a temperature-detecting device is provided between the primary seal oil pump and the engine block, the vacuum tank is provided with a pressure valve, the utility model, it is simple in construction, it can realize to generator sealing bearing bush fuel feeding.
Description
Technical field
The utility model is related to steam turbine generator sealing oil system technical field, and in particular to a kind of turbine generator secret
Sealing oil system.
Background technology
The generator type of cooling be Water hydrogen, i.e. stator winding internal water cooling, rotor windings internal hydrogen cooling, stator core and
Its component hydrogen surface is cooled down.Generator sealing bearing bush uses single current ring seal watt.
During normal operation, the next of lubricating oil system oily come oily oil filter, vaccum fuel tank oil level through lubricating oil and adjusts door entrance
Vaccum fuel tank, vaccum fuel tank oil level adjusts gate control by vaccum fuel tank oil level.Oil is through oil strain before primary seal oil pump in vaccum fuel tank
Device enters the oily oil pump of primary seal, and primary seal oil fuel pump outlet oil pressure is adjusted by recirculation door.Pressure oil (0.9~1.1 after boosting
MPa generator sealing bearing bush) is entered after oily hydrogen differential valve.
In sealing bearing bush seat built with two oil seal rings.Each oil seal ring is made up of four sections of relative ring segments in end.Each
Each ring segment of ring is clamped together by retaining spring.Seal Oil enters oil supply tank by lower half seal receptacle, flows through two oil seal rings and hair
Gap between motor shaft, then respectively in hydrogen side and empty side outflow.As long as oil pressure is higher than Hydrogen Vapor Pressure, oily stream is prevented from sky
Gas enters in machine, can also prevent outside hydrogen effusion machine.
Empty side oil return is collected in bottom half-bearing seat, together enters lubricating oil system with bearing oil from herein.Hydrogen side oil return
Pressure oil tank is back to after U-shaped oil seal tube, pressure oil tank has float type liquid level autocontrol valve to automatically control oil level, pressure oil tank
Top is communicated with hydrogen in generator, and the oil in fuel tank is depressed into after hydrogen gs-oil separator by hydrogen pressure, is back to lubricating oil system, so
A circulation is formed, but current sealing oil system fuel feeding effect is undesirable.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of steam turbine generator sealing oil system, it is possible to achieve
To generator sealing bearing bush fuel feeding.
The utility model provides a kind of steam turbine generator sealing oil system, including engine block, the generator sheet
Seal Oil expansion tank is provided with below body, the Seal Oil expansion tank is connected to an air and separates out case and ball float clack box, described
Air separates out case connection main fuel tank once, and the air separates out case and is also associated with a vacuum tank, and the vacuum tank is connected with one
Primary seal oil pump, the primary seal oil pump is connected by pipeline with the engine block, the primary seal oil pump and the hair
A temperature-detecting device is provided between motor body, the vacuum tank is provided with a pressure valve.
Above-mentioned system, wherein, the vacuum tank is connected with a vavuum pump.
Above-mentioned system, wherein, recirculation pump is provided between the vacuum tank and the primary seal oil pump.
Above-mentioned system, wherein, the vacuum tank is connected with a filter screen.
Above-mentioned system, wherein, pressure-difference valve and direct current oil pump are provided between the vacuum tank and the filter screen, it is described
Provided with sealing bearing bush seat in engine block, provided with two oil seal rings in the sealing bearing bush seat.
The utility model has advantages below：
1st, the utility model can be realized to generator sealing bearing bush fuel feeding.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, the utility model and its spy
Levy, profile and advantage will become more apparent upon.Identical mark indicates identical part in whole accompanying drawings.Not deliberately according to
Ratio draws accompanying drawing, it is preferred that emphasis is show purport of the present utility model.
A kind of structural representation for steam turbine generator sealing oil system that Fig. 1 provides for the utility model.
Embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage the utility model to provide
Solution.It is, however, obvious to a person skilled in the art that the utility model can be without one or more of these thin
Save and be carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step and detailed structure will be proposed in following description,
To explain the technical solution of the utility model.Preferred embodiment of the present utility model is described in detail as follows, but except these
Outside being described in detail, the utility model can also have other embodiment.
Shown in reference picture 1, the utility model provides a kind of steam turbine generator sealing oil system, including engine block 1,
The lower section of engine block 1 is provided with Seal Oil expansion tank 2, and Seal Oil expansion tank 2 is connected to an air and separates out case 3 and ball-cock assembly
Case 4, air separates out case 3 and connects main fuel tank 5 once, and air separates out case 3 and is also associated with a vacuum tank 6, and vacuum tank 6 is connected with one
Primary seal oil pump 7, primary seal oil pump 7 is connected by pipeline with engine block 1, between primary seal oil pump 7 and engine block 1
Provided with a temperature-detecting device 8, it can be used for detecting the oil temperature in loop, temperature-detecting device 8 is conventional detection
Device, for example, temperature sensor.Vacuum tank 6 is provided with a pressure valve 9.Structure of the present utility model can be realized to the secret that generates electricity
Seal watt fuel feeding.
In the preferred but unrestricted embodiment of the utility model one, vacuum tank 6 is connected with a vavuum pump 14.
It is provided with and follows again in the preferred but unrestricted embodiment of the utility model one, between vacuum tank 6 and primary seal oil pump 7
Ring pump 10.
In the preferred but unrestricted embodiment of the utility model one, vacuum tank 6 is connected with a filter screen 11, further, very
It is provided between empty van 6 and filter screen 11 in pressure-difference valve 12 and direct current oil pump 13, engine block 1 provided with sealing bearing bush seat, sealing
Provided with two oil seal rings in watt seat, still further preferably, and all sealing bearing bushes are ground eat line, the empty hydrogen side sealing bearing bush of adjustment
Gap is as follows：Vapour end sky side clearance：0.10mm, hydrogen side gap：0.16mm, encourages the empty side clearance in end：0.10mm, hydrogen side gap：
0.15mm, after processing, can arbitrarily be adjusted, primary seal through the oily fuel pump outlet oil pressure of primary seal of starting shooting between 0.7MPa -1.1MPa
Oil pump can provide up the sealing oil mass of design requirement to hair generator two ends sealing bearing bush.Also mend the day of generator simultaneously
Hydrogen amount is down to 4 present Nm3 by original 12Nm3, can solve the problem of sealing oil system pressure is low.
Preferred embodiment of the present utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as using the common side in this area
Formula is practiced；Any those skilled in the art, in the case where not departing from technical solutions of the utility model ambit, may be used
Technical solutions of the utility model are made with many possible variations and modification using the methods and techniques content of the disclosure above, or is repaiied
The equivalent embodiment of equivalent variations is changed to, this has no effect on substantive content of the present utility model.Therefore, it is every without departing from this practicality
The content of new technique scheme, according to technical spirit of the present utility model to it is made for any of the above embodiments it is any it is simple modification, etc.
With change and modify, still fall within technical solutions of the utility model protection in the range of.
Claims (5)
1. set below a kind of steam turbine generator sealing oil system, it is characterised in that including engine block, the engine block
There is Seal Oil expansion tank, the Seal Oil expansion tank is connected to an air and separates out case and ball float clack box, and the air is separated out
Case connects main fuel tank once, and the air separates out case and is also associated with a vacuum tank, and the vacuum tank is connected with primary seal oil
Pump, the primary seal oil pump is connected by pipeline with the engine block, the primary seal oil pump and the engine block
Between be provided with a temperature-detecting device, the vacuum tank be provided with a pressure valve.
2. a kind of steam turbine generator sealing oil system according to claim 1, it is characterised in that the vacuum tank is connected with
One vavuum pump.
3. a kind of steam turbine generator sealing oil system according to claim 1, it is characterised in that the vacuum tank with it is described
Recirculation pump is provided between primary seal oil pump.
4. a kind of steam turbine generator sealing oil system according to claim any one of 1-3, it is characterised in that the vacuum
Case is connected with a filter screen.
5. a kind of steam turbine generator sealing oil system according to claim 4, it is characterised in that the vacuum tank with it is described
It is provided between filter screen in pressure-difference valve and direct current oil pump, the engine block and is provided with sealing bearing bush seat, in the sealing bearing bush seat
Provided with two oil seal rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445078.5U CN206461469U (en) | 2016-12-27 | 2016-12-27 | A kind of steam turbine generator sealing oil system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445078.5U CN206461469U (en) | 2016-12-27 | 2016-12-27 | A kind of steam turbine generator sealing oil system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206461469U true CN206461469U (en) | 2017-09-01 |
Family
ID=59697387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621445078.5U Expired - Fee Related CN206461469U (en) | 2016-12-27 | 2016-12-27 | A kind of steam turbine generator sealing oil system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206461469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773800A (en) * | 2020-07-14 | 2020-10-16 | 安徽池州九华发电有限公司 | Generator set sealing oil purification system and use method thereof |
-
2016
- 2016-12-27 CN CN201621445078.5U patent/CN206461469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773800A (en) * | 2020-07-14 | 2020-10-16 | 安徽池州九华发电有限公司 | Generator set sealing oil purification system and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 |