CN109458542A - A kind of Gas Turbine Generating Units subsidiary engine lubricating system - Google Patents
A kind of Gas Turbine Generating Units subsidiary engine lubricating system Download PDFInfo
- Publication number
- CN109458542A CN109458542A CN201811508643.1A CN201811508643A CN109458542A CN 109458542 A CN109458542 A CN 109458542A CN 201811508643 A CN201811508643 A CN 201811508643A CN 109458542 A CN109458542 A CN 109458542A
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- Prior art keywords
- oil
- check valve
- shaped check
- butterfly shaped
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/40—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems in a closed circulation system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
A kind of Gas Turbine Generating Units subsidiary engine lubricating system, first exchange oil pump lubricating oil entrance is communicated by the first oily filter with oil tank, oil outlet passes through safety valve tieback oil tank through the first butterfly shaped check valve all the way, and another way is communicated with air-cooled oil cooler oil inlet；Second exchange oil pump lubricating oil entrance is communicated by the second oily filter with oil tank, and oil outlet passes through safety valve tieback oil tank through the second butterfly shaped check valve all the way, and another way is communicated with air-cooled oil cooler oil inlet；Air-cooled oil cooler oil outlet is communicated with simply connected oily filter oil inlet, simply connected oily filter oil outlet is communicated with third butterfly shaped check valve oil inlet, third butterfly shaped check valve oil outlet is connected with five tunnel oil outlet pipe behind measure and control instrument area, the first via is through self-contained pressure regulator tieback oil tank, power turbine lubrication portion is accessed on second road, gearbox lubrication part is accessed on third road, and generator lubrication portion is accessed on the 4th and the 5th road；Oil mist separator is installed on oil tank.
Description
Technical field
The invention belongs to gas turbine lubrication technical fields, lubricate more particularly to a kind of Gas Turbine Generating Units subsidiary engine
System.
Background technique
Since 1970s, the development in power industry field is more and more rapider, with traditional coal electrical fire electricity steam
Turbine generator group is compared, and Gas Turbine Generating Units structure is simpler, and required ancillary equipment is less, and is invested, accounted for
Ground, cost of electricity-generating are all lower, and due to these advantages of Gas Turbine Generating Units, the installation amount of Gas Turbine Generating Units is with every
The speed cumulative year after year in year 14% to 21%.
That aviation is retrofited with gas turbine by taking QD128 Gas Turbine Generating Units as an example, power up to 10~
12.8 megawatts, the thermal efficiency is 27% or so, is mainly used in conventional power generation, backup power source, cogeneration etc. at this stage, main to take
It is engaged in industry fields such as petroleum, natural gas, coal, chemical industry, communications.
Gas Turbine Generating Units in the process of running, power turbine thrust bearing, gearbox high-speed low-speed gear and axis
Watt, the components such as generator front and back end bearing shell, high temperature can be will lead to because of friction, it is necessary to be lubricated and cool down to it, avoid Yin Wen
Spend bearing bush caused by height burn, the generation of the safety accidents such as breaking off gear teeth.Want to guarantee Gas Turbine Generating Units
Safe and stable operation, lubrication with to cool down link most important, therefore, design a set of high lubricating effect and the stable lube system of performance
It unites very necessary.
For subsidiary engine oil system, primary lubricant object is power turbine, gear-box and generator, subsidiary engine lubricating oil system
System allows for providing clean, lubricating oil with certain flow, pressure, temperature and viscosity, complying with standard and require, with
Bearing shell before and after power turbine bearing shell and thrust bearing shoe valve, reduction gear box bearing shell and transmission gear, generator is lubricated, and then is dropped
The coefficient of friction of low rotatable parts takes away the heat generated by friction, guarantee Gas Turbine Generating Units can long-term, safety,
Stable operation.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of high lubricating effect and the stable gas turbine hair of performance
Electric set auxiliary machinery lubricating system.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of Gas Turbine Generating Units subsidiary engine lubricates
System, including oil tank, first exchange oil pump, second exchange oil pump, the first butterfly shaped check valve, the second butterfly shaped check valve,
Safety valve, air-cooled oil cooler, simply connected oily filter, third butterfly shaped check valve, measure and control instrument area and self-contained pressure regulator；
The lubricating oil entrance of the first exchange oil pump is connected by the first oily filter with oil tank, and the lubricating oil of the first exchange oil pump goes out
Mouthful be connected with the oil inlet of the first butterfly shaped check valve, the oil outlet of the first butterfly shaped check valve all the way with the oil inlet phase of safety valve
Connection, the oil outlet of safety valve are connected with oil tank；The oil outlet another way and air-cooled cunning of first butterfly shaped check valve
The oil inlet of oil cooler is connected；The lubricating oil entrance of the second exchange oil pump is connected by the second oily filter with oil tank
Logical, the oil outlet of the second exchange oil pump is connected with the oil inlet of the second butterfly shaped check valve, and the second butterfly shaped check valve goes out
Hydraulic fluid port is connected with the oil inlet of safety valve all the way, the oil outlet another way of the second butterfly shaped check valve and air-cooled oil cooler
Oil inlet be connected；The oil outlet of the air-cooled oil cooler is connected with the oil inlet of simply connected oily filter, simply connected oily filter
Oil outlet be connected with the oil inlet of third butterfly shaped check valve, the oil outlet of third butterfly shaped check valve is behind measure and control instrument area
Five tunnel oil outlet pipe are connected with, first via oil outlet pipe is connected with the oil inlet of self-contained pressure regulator, Self-operated pressure
The oil outlet of regulating valve is connected with oil tank；Second tunnel oil outlet pipe is connected with the lubricating oil access point of power turbine, power
The lubricating oil discharge point of turbine is connected with oil tank；Third road oil outlet pipe is connected with the lubricating oil access point of gear-box, gear
The lubricating oil discharge point of case is connected with oil tank；4th tunnel oil outlet pipe is connected with the front end lubricating oil access point of generator, hair
The front end lubricating oil discharge point of motor is connected with oil tank；5th tunnel oil outlet pipe is connected with the rear end lubricating oil access point of generator
Logical, the rear end lubricating oil discharge point of generator is connected with oil tank.
Pressure sensor, temperature sensor, platinum resistance, pressure switch and pressure inverting are provided in the measure and control instrument area
Device.
Lubricating oil heater, floating ball lever meter, liquid level sensor and bimetallic thermometer are installed in the oil tank.
Oil mist separator is installed on the oil tank.
Backup bypass, after the front and back pressure difference of simply connected oily filter reaches preset value, spare side are equipped in the simply connected oily filter
It opens on road.
Independent pouring orifice and fuel outlet are provided on the oil tank.
The lubricant housings of the power turbine, gear-box and generator is above oil tank.
Beneficial effects of the present invention:
1., the present invention the cooling heat dissipation of lubricating oil carried out by air cooling way, additional increase is not had to water-cooling pattern compared with and is recycled
Water system effectively reduces the volume of subsidiary engine lubricating system, has saved space and cost, especially in water-deficient areas such as deserts,
Improve the ambient adaptability of Gas Turbine Generating Units.
2., when the liquid level of oil tank is too low, can in non-stop-machine situation directly by pouring orifice carry out repairing, keep away
Exempt from the normal operation that Gas Turbine Generating Units are influenced because shutting down.
3., when Gas Turbine Generating Units prepare start when, can preferentially open subsidiary engine lubricating system carry out self-loopa, with right
Lubricant housings carries out oil spout repairing, is established with completing oil film before Gas Turbine Generating Units operate.
4., two exchange oil pumps can mutual backup, when an exchange oil pump works normally, another exchange lubricating oil
Air pump inoperative, when an exchange oil pump breaks down, then another exchange lubricating oil pump startup, guarantees the stabilization of lubricating oil supply
Property.
5., when Gas Turbine Generating Units are stopped in emergency, carry out offer lubricating oil by exchanging oil pump, exchange oil pump
Using AC power supply, power more stable；Compared with traditional DC pump, the metered flow for exchanging oil pump is higher than direct current
Pump, can avoid straightway pump because metered flow it is low caused by for shortage of oil, while avoiding laying in because of Dc source power and limited lead
The problem of the direct current power deficiency of cause.
6., since the lubricant housings of power turbine, gear-box and generator is above oil tank, can make lubricating oil only rely on weight
Power automatic back flow does not have to additional increase oil return pump group, has saved space and cost to oil tank.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Gas Turbine Generating Units subsidiary engine lubricating system of the invention；
In figure, 1-oil tank, the 2-the first exchange oil pump, the 3-the second exchange oil pump, the 4-the first butterfly shaped check valve,
5-the second butterfly shaped check valve, 6-safety valves, 7-air-cooled oil coolers, 8-simply connected oily filters, 9-third butterfly non-returns
Valve, 10-measure and control instrument areas, 11-self-contained pressure regulators, the 12-the first oily filter, the 13-the second oily filter, 14-power whirlpools
Wheel, 15-gear-boxes, 16-generators, 17-lubricating oil heaters, 18-oil mist separators, 19-pouring orifices, 20-fuel outlets.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of Gas Turbine Generating Units subsidiary engine lubricating system, including oil tank 1, first exchange oil pump
2, second exchange oil pump 3, the first butterfly shaped check valve 4, the second butterfly shaped check valve 5, safety valve 6, air-cooled oil cooler 7,
Simply connected oily filter 8, third butterfly shaped check valve 9, measure and control instrument area 10 and self-contained pressure regulator 11；The first exchange oil pump
2 lubricating oil entrance is connected by the first oily filter 12 with oil tank 1, the oil outlet and the first butterfly of the first exchange oil pump 2
The oil inlet of check-valves 4 is connected, and the oil outlet of the first butterfly shaped check valve 4 is connected with the oil inlet of safety valve 6 all the way, safety
The oil outlet of valve 6 is connected with oil tank 1；The oil outlet another way of first butterfly shaped check valve 4 and air-cooled lubricating oil are cooling
The oil inlet of device 7 is connected；The lubricating oil entrance of the second exchange oil pump 3 is connected by the second oily filter 13 with oil tank 1,
The oil outlet of second exchange oil pump 3 is connected with the oil inlet of the second butterfly shaped check valve 5, and the second butterfly shaped check valve 5 goes out
Hydraulic fluid port is connected with the oil inlet of safety valve 6 all the way, and the oil outlet another way of the second butterfly shaped check valve 5 and air-cooled lubricating oil are cooling
The oil inlet of device 7 is connected；The oil outlet of the air-cooled oil cooler 7 is connected with the oil inlet of simply connected oily filter 8, simply connected
The oil outlet of oily filter 8 is connected with the oil inlet of third butterfly shaped check valve 9, and the oil outlet of third butterfly shaped check valve 9 passes through observing and controlling
Five tunnel oil outlet pipe are connected with behind gauge field 10, first via oil outlet pipe is connected with the oil inlet of self-contained pressure regulator 11
Logical, the oil outlet of self-contained pressure regulator 11 is connected with oil tank 1；The lubricating oil of second tunnel oil outlet pipe and power turbine 14
Access point is connected, and the lubricating oil discharge point of power turbine 14 is connected with oil tank 1；Third road oil outlet pipe and gear-box 15
Lubricating oil access point is connected, and the lubricating oil discharge point of gear-box 15 is connected with oil tank 1；4th tunnel oil outlet pipe and generator 16
Front end lubricating oil access point be connected, the front end lubricating oil discharge point of generator 16 is connected with oil tank 1；5th tunnel oil outlet pipe
It is connected with the rear end lubricating oil access point of generator 16, the rear end lubricating oil discharge point of generator 16 is connected with oil tank 1.
Pressure sensor, temperature sensor, platinum resistance, pressure switch and pressure is provided in the measure and control instrument area 10 to become
Send device.
Lubricating oil heater 17, floating ball lever meter, liquid level sensor and bi-metal temperature are installed in the oil tank 1
Meter.
Oil mist separator 18 is installed on the oil tank 1.
Backup bypass is equipped in the simply connected oily filter 8, it is spare after the front and back pressure difference of simply connected oily filter 8 reaches preset value
Bypass is opened.
Independent pouring orifice 19 and fuel outlet 20 are provided on the oil tank 1.
The lubricant housings of the power turbine 14, gear-box 15 and generator 16 is above oil tank 1.
Illustrate first use process of the invention with reference to the accompanying drawing:
When Gas Turbine Generating Units prepare to start, preferentially opens subsidiary engine lubricating system of the invention and carries out self-loopa,
Oil spout is carried out with the lubricant housings to power turbine 14, gear-box 15 and generator 16, before Gas Turbine Generating Units operating
Oil film is completed to establish.
It is first working barrel with the first exchange oil pump 2, with the second exchange lubricating oil in Gas Turbine Generating Units operation
Pump 3 is stand-by pump, and lubricating oil lubricating oil is sucked out from oil tank 1 by the first exchange oil pump 2, and lubricating oil successively stops through the first butterfly
Valve 4, air-cooled oil cooler 7, simply connected oily filter 8 and third butterfly shaped check valve 9 are returned, power turbine 14, tooth are finally transported to
The lubricating oil access point of roller box 15 and generator 16, at this time lubrication portion of the lubricating oil to power turbine 14, gear-box 15 and generator 16
Divide and be lubricated and cool down, the lubricating oil after completing lubrication is by gravity until flowing back into oil tank 1.
With the continuous service of Gas Turbine Generating Units, the oil temperature in oil tank 1 also can be increased constantly, this is just needed
To cool down to lubricating oil, start air-cooled oil cooler 7 at this time and cool down to lubricating oil.
When liquid level sensor, which issues, alarms, illustrate that the liquid level of oil tank 1 is too low, at this time without shutting down, directly passes through note
Hydraulic fluid port carries out repairing into oil tank 1, avoids the normal operation that Gas Turbine Generating Units are influenced because shutting down.
In Gas Turbine Generating Units operational process, when the first exchange oil pump 2 breaks down, then the second exchange is slided
Oil pump 3 starts immediately, carries out fuel feeding by the second exchange oil pump 3, guarantees the normal supply of lubricating oil.
In Gas Turbine Generating Units operational process, by self-contained pressure regulator 11 in real time adjustment lube pipe
Pressure, while reducing the pressure oscillation in lube pipe, when occurring superpressure situation in lube pipe, Self-operated pressure is adjusted
Valve 11 would automatically turn on carry out release, guarantee the stability of subsidiary engine lubricating system.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (7)
1. a kind of Gas Turbine Generating Units subsidiary engine lubricating system, it is characterised in that: including oil tank, first exchange oil pump,
Second exchange oil pump, the first butterfly shaped check valve, the second butterfly shaped check valve, safety valve, air-cooled oil cooler, simply connected oil
Filter, third butterfly shaped check valve, measure and control instrument area and self-contained pressure regulator；The lubricating oil entrance of the first exchange oil pump is logical
It crosses the first oily filter to be connected with oil tank, the oil outlet of the first exchange oil pump is connected with the oil inlet of the first butterfly shaped check valve
Logical, the oil outlet of the first butterfly shaped check valve is connected with the oil inlet of safety valve all the way, oil outlet and the oil tank phase of safety valve
Connection；The oil outlet another way of first butterfly shaped check valve is connected with the oil inlet of air-cooled oil cooler；Described
The lubricating oil entrances of two exchange oil pumps are connected by the second oily filter with oil tank, and second exchanges the oil outlet of oil pump and the
The oil inlet of two butterfly shaped check valves is connected, and the oil outlet of the second butterfly shaped check valve is connected with the oil inlet of safety valve all the way,
The oil outlet another way of second butterfly shaped check valve is connected with the oil inlet of air-cooled oil cooler；The air-cooled lubricating oil is cold
But the oil outlet of device is connected with the oil inlet of simply connected oily filter, the oil outlet of simply connected oily filter and the oil inlet of third butterfly shaped check valve
It is connected, the oil outlet of third butterfly shaped check valve is connected with five tunnel oil outlet pipe, first via flowline behind measure and control instrument area
Road is connected with the oil inlet of self-contained pressure regulator, and the oil outlet of self-contained pressure regulator is connected with oil tank；The
Two tunnel oil outlet pipe are connected with the lubricating oil access point of power turbine, and the lubricating oil discharge point of power turbine is connected with oil tank；
Third road oil outlet pipe is connected with the lubricating oil access point of gear-box, and the lubricating oil discharge point of gear-box is connected with oil tank；The
Four tunnel oil outlet pipe are connected with the front end lubricating oil access point of generator, and the front end lubricating oil discharge point of generator is connected with oil tank
It is logical；5th tunnel oil outlet pipe is connected with the rear end lubricating oil access point of generator, the rear end lubricating oil discharge point and lubricating oil of generator
Case is connected.
2. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: the observing and controlling
Pressure sensor, temperature sensor, platinum resistance, pressure switch and pressure transmitter are provided in gauge field.
3. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: in the cunning
Lubricating oil heater, floating ball lever meter, liquid level sensor and bimetallic thermometer are installed in fuel tank.
4. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: in the cunning
Oil mist separator is installed on fuel tank.
5. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: the simply connected
Backup bypass is equipped in oily filter, after the front and back pressure difference of simply connected oily filter reaches preset value, backup bypass is opened.
6. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: in the cunning
Independent pouring orifice and fuel outlet are provided on fuel tank.
7. a kind of Gas Turbine Generating Units subsidiary engine lubricating system according to claim 1, it is characterised in that: the power
The lubricant housings of turbine, gear-box and generator is above oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508643.1A CN109458542A (en) | 2018-12-11 | 2018-12-11 | A kind of Gas Turbine Generating Units subsidiary engine lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508643.1A CN109458542A (en) | 2018-12-11 | 2018-12-11 | A kind of Gas Turbine Generating Units subsidiary engine lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458542A true CN109458542A (en) | 2019-03-12 |
Family
ID=65612954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508643.1A Pending CN109458542A (en) | 2018-12-11 | 2018-12-11 | A kind of Gas Turbine Generating Units subsidiary engine lubricating system |
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| Country | Link |
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| CN (1) | CN109458542A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669159A (en) * | 2021-07-21 | 2021-11-19 | 烟台杰瑞石油装备技术有限公司 | Lubricating system and gas turbine power generation equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011042412A1 (en) * | 2009-10-08 | 2011-04-14 | Shell Internationale Research Maatschappij B.V. | System for lubricating a two-stroke engine |
| CN204592831U (en) * | 2015-03-31 | 2015-08-26 | 大唐淮南洛河发电厂 | A kind of lubricating oil filter pipe-line system |
| CN205447214U (en) * | 2016-03-08 | 2016-08-10 | 北京黎明航发动力科技有限公司 | Gas turbine water injection unit auxiliary engine lubricating system |
| CN209399106U (en) * | 2018-12-11 | 2019-09-17 | 北京黎明航发动力科技有限公司 | A kind of Gas Turbine Generating Units subsidiary engine lubricating system |
-
2018
- 2018-12-11 CN CN201811508643.1A patent/CN109458542A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011042412A1 (en) * | 2009-10-08 | 2011-04-14 | Shell Internationale Research Maatschappij B.V. | System for lubricating a two-stroke engine |
| CN204592831U (en) * | 2015-03-31 | 2015-08-26 | 大唐淮南洛河发电厂 | A kind of lubricating oil filter pipe-line system |
| CN205447214U (en) * | 2016-03-08 | 2016-08-10 | 北京黎明航发动力科技有限公司 | Gas turbine water injection unit auxiliary engine lubricating system |
| CN209399106U (en) * | 2018-12-11 | 2019-09-17 | 北京黎明航发动力科技有限公司 | A kind of Gas Turbine Generating Units subsidiary engine lubricating system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669159A (en) * | 2021-07-21 | 2021-11-19 | 烟台杰瑞石油装备技术有限公司 | Lubricating system and gas turbine power generation equipment |
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