CN107965390A - A kind of gas turbine fuel distribution equipment and its control method - Google Patents
A kind of gas turbine fuel distribution equipment and its control method Download PDFInfo
- Publication number
- CN107965390A CN107965390A CN201711369226.9A CN201711369226A CN107965390A CN 107965390 A CN107965390 A CN 107965390A CN 201711369226 A CN201711369226 A CN 201711369226A CN 107965390 A CN107965390 A CN 107965390A
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- China
- Prior art keywords
- fuel
- gas turbine
- port
- fuel oil
- branch path
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/222—Fuel flow conduits, e.g. manifolds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/232—Fuel valves; Draining valves or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a kind of gas turbine fuel distribution equipment and its control method, including accelerating adjuster and play moving electromagnetic valve, when described moving electromagnetic valve is in off-position, the fuel oil of the accelerating adjuster is passed through main fuel oil circuit downstream completely；When described moving electromagnetic valve is in "on" position, fuel oil is after the accelerating adjuster, and working connection is closed to the right, and branch path leads to the starting fuel path through the public port and normally closed port to the right.The gas turbine fuel distribution equipment of the present invention, fuel system can be made to have two-way fuel feed oil circuit, it is start oil circuit fuel feeding all the way, it is main fuel path fuel feeding all the way, and when its stopping is to start oil circuit fuel feeding, fuel oil is all remitted to main fuel oil circuit, can improve the acceleration speed of gas turbine and provide enough fuel oils for gas turbine rated speed full load.It is fuel distribution equipment delicate structure provided by the invention, compact, while fuel system reliability can be improved.
Description
Technical field
The present invention relates to gas turbine fuel system technical field, especially, is related to a kind of gas turbine fuel distribution dress
Put and its control method.
Background technology
Gas turbine fuel system generally gave combustion chamber fuel feeding using single oil circuit in the past, partly using the combustion of double oil circuit fuel feeding
Oil system is also to be made of two completely self-contained single oil circuits, its is complicated, poor reliability.Wanted with to gas turbine performance
The increasingly raising asked, traditional fuel system can not meet fuel delivery and the atomization demand of each operating mode of gas turbine, usually lead
The problems such as causing low gas turbine combustion flame instability, efficiency of combustion and combustor exit temperature skewness, even results in a little
Fire failure is flame-out.So a kind of simple and reliable, compact-sized double oil circuit fuel systems of valve put forward the performance of gas turbine
High and stable operation is significant, and the fuel distribution equipment of this paper valves causes fuel system using double oil circuit fuel system and knot
Structure is compact, can greatly improve the simplicity and reliability of fuel system.
Valve content
For the drawbacks described above and deficiency of the prior art, the present invention provides a kind of gas turbine fuel distribution equipment and its
Control method, is installed on after fuel oil regulating device in fuel system, fuel oil is divided into two-way, is supplied to gas turbine all the way and rises
Dynamic nozzle, for gas turbine ignition start, is supplied to gas turbine main fuel nozzle, gas turbine operation is used, this two-way all the way
Fuel oil can cut off or open respectively.The device can substantially optimize gas turbine ignition success rate and combustor exit temperature distribution,
Improve gas turbine performance and reliability service time.
The present invention is that technical solution is used by solving its technical problem：
A kind of gas turbine fuel distribution equipment, including accelerating adjuster and a moving electromagnetic valve, it is characterised in that
The accelerating adjuster is a three way type fuel distribution equipment, including an oil inlet, a downward working connection and one
Working connection to the right, the oil inlet by pipeline and the fuel supply circuit communication of upstream, the working connection downwards be divided into again to
Inferior division road and to the right branch path, the main fuel oil communication of branch path and gas turbine downwards；
Described moving electromagnetic valve is three-way electromagnetic valve, including normally closed port, the normally opened port and the public port,
The normally opened port is connected with the working connection to the right in the accelerating adjuster, the starting of the normally closed port and gas turbine
Fuel path connects, and the public port is connected with the branch path to the right in the accelerating adjuster.
Preferably, manual adjusting nut is equipped with the downward working connection of the accelerating adjuster, is divided downwards to adjust
The fuel feeding ratio of branch and to the right branch path.
Further, the downward branch path of the accelerating adjuster is equipped with control valve.
Preferably, when described moving electromagnetic valve is in off-position, normally opened port is opened, and normally closed port shutdown is described
The fuel oil of accelerating adjuster is passed through main fuel oil circuit downstream completely.
Preferably, when described moving electromagnetic valve is in "on" position, normally opened port shutdown, normally closed port is opened, fuel oil
After the accelerating adjuster, working connection is closed to the right, and branch path is led to through the public port and normally closed port to the right
Toward the starting fuel path.
Further, in Study On Start-up Process For Gas Turbines, when the rotating speed of gas turbine is risen near the 4% of rated speed
When, the starting solenoid valves, the control valve in branch path downwards is closed, and fuel oil is passed through by the branch path to the right
The public port and normally closed port lead to the starting fuel path；When the rotating speed of gas turbine rises to rated speed
When near 10%, the control valve in branch path downwards is opened, and fuel oil leads to the master through the branch path downwards at the same time
Fuel path；When the rotating speed of gas turbine is risen near the 96% of rated speed, described moving electromagnetic valve power-off is described to add
The fuel oil of velocity modulation regulating device is passed through main fuel oil circuit downstream completely.
According to another aspect of the present invention, present invention also offers a kind of control of above-mentioned gas turbine fuel distribution equipment
Method, it is characterised in that the control method comprises the following steps：
SS1. in Study On Start-up Process For Gas Turbines, when the rotating speed of gas turbine is risen near the 4% of rated speed, institute
Starting solenoid valves are stated, the control valve in branch path downwards is closed, and fuel oil passes through described in the branch path to the right warp
Public port and normally closed port lead to the starting fuel path；
SS2. when the rotating speed of gas turbine is risen near the 10% of rated speed, the control in branch path downwards
Valve is opened, and fuel oil leads to the main fuel oil circuit through the branch path downwards at the same time；
SS3. when the rotating speed of gas turbine is risen near the 96% of rated speed, described moving electromagnetic valve power-off, institute
The fuel oil for stating accelerating adjuster is passed through main fuel oil circuit downstream completely.
The gas turbine fuel distribution equipment of the present invention, its operation principle are：
Enter the present apparatus after the components such as fuel oil is pumped through fuel system intermediate fuel oil, fuel filter and fuel oil regulating device, after by
1 after-burning oil of accelerating adjuster is downwards and two-way to the right.Accelerating adjuster 1 can manually adjust square nut adjusting
Needle-valve insertion orifice plate depth is so as to adjust the ratio with two-way fuel oil to the right downwards.It is three-way electromagnetic valve to play moving electromagnetic valve 2, tool
There are normally opened port, normally closed port and public port, normally opened port is connected with the right side oil circuit port of accelerating adjuster 1, normally closed
Port is connected with starting fuel path port, the oil circuit to the right that the downward oil circuit of public port and accelerating adjuster 1 separates again
Port is connected.When starting solenoid valves, normally opened port shutdown, normally closed port is opened, and fuel oil enters after the present apparatus by accelerating
After regulating device 1, oil circuit is closed to the right, and downward oil circuit is opened.Downward oil circuit is divided into two-way oil circuit downwards and to the right, a road direction again
The right public port for having passed through moving electromagnetic valve 2 and normally closed port, which lead to, starts fuel path, to start fuel nozzle fuel feeding, for combustion gas
Turbine ignition start uses；Main fuel oil circuit is led down into all the way, is sprayed when the solenoid valve of main fuel oil circuit is opened for main fuel
Mouth fuel feeding, uses for gas turbine operation.When playing moving electromagnetic valve power-off, normally opened port is opened, and normally closed port shutdown, fuel oil enters
After the present apparatus after accelerating adjuster 1, it is divided into downwards with two-way to the right, downward oil circuit leads to main fuel oil circuit, when main combustion
The solenoid valve of oil circuit is main fuel nozzle fuel feeding when opening, and oil circuit has passed through normally opened port and the common port of moving electromagnetic valve 2 to the right
Mouth also leads to main fuel oil circuit, is main fuel nozzle fuel feeding when the solenoid valve of main fuel oil circuit is opened.
In Study On Start-up Process For Gas Turbines, when rotating speed rises to the 4% of rated speed, play moving electromagnetic valve 2 and be powered, light a fire
Device starts to strike sparks, and fuel oil is atomized and is ignited into combustion chamber from fuel nozzle is started, when rotating speed rises to rated speed
When 10%, the solenoid valve of main fuel oil circuit is opened, and fuel oil enters combustion chamber through main fuel nozzle at the same time, when rotating speed rise to it is specified
Rotating speed 96% when, rise a moving electromagnetic valve 2 power off, fuel oil enter the present apparatus after after accelerating adjuster 1, be divided into downwards and to
Right two-way, downward oil circuit lead to main fuel oil circuit, and oil circuit has passed through the normally opened port of moving electromagnetic valve 2 to the right and public port also leads to
Main fuel oil circuit, so as to improve the acceleration speed of gas turbine.Rise moving electromagnetic valve 2 power off this action can cause fuel oil step,
Enough fuel oils can be provided for gas turbine rated speed full load.
Compared with the existing technology, gas turbine fuel distribution equipment provided by the invention and its control method, can make combustion
Oil system has two-way fuel feed oil circuit, is all the way pilot jet fuel feeding, is all the way main fuel nozzle fuel feeding, and when its stopping pair
During pilot jet fuel feeding, fuel oil is all remitted to main fuel nozzle, can improve the acceleration speed of gas turbine and is gas turbine volume
Determine rotating speed full load and enough fuel oils are provided.It is fuel distribution equipment delicate structure provided by the invention, compact, while combustion can be improved
Oil system reliability.
Brief description of the drawings
Fig. 1 is the structure diagram of the gas turbine fuel distribution equipment of the present invention.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
The present invention is further described.It should be noted that the implementation for not illustrating or describing in attached drawing, is technical field
In form known to a person of ordinary skill in the art.In addition, the direction term mentioned in following embodiments, for example, " on ", " under ", " preceding ",
" rear ", "left", "right", " top ", " bottom " etc., are only the directions of refer to the attached drawing.Therefore, the direction term used is for illustrating simultaneously
It is non-to be used for limiting the present invention.
As shown in Figure 1, the gas turbine fuel distribution equipment of the present invention, including accelerating adjuster 1 and a moving electromagnetic valve
2, accelerating adjuster 1 is a three way type fuel distribution equipment, including an oil inlet 11, a downward working connection 13 and one are led to the right
Oil circuit 12, oil inlet 11 are divided into downward branch path again by pipeline and the fuel supply circuit communication of upstream, downward working connection 13
131 and branch path 132 to the right, downward branch path 131 be equipped with control valve and with the main fuel oil communication of gas turbine；Rise
Moving electromagnetic valve 2 is three-way electromagnetic valve, including normally opened port 21, normally closed port 22 and public port 23, normally opened port 21 with plus
Working connection to the right 12 in velocity modulation regulating device 1 connects, and normally closed port 22 is connected with the starting fuel path of gas turbine, common port
Mouth 23 is connected with the branch path to the right 132 in accelerating adjuster 1.
Fuel oil enters the present apparatus through fuel system intermediate fuel oil pump, fuel filter and fuel oil regulating device etc..Accelerating adjuster 1
Square nut metering pin valve insertion orifice plate depth can manually be adjusted so as to adjust downward branch path 131 and to the right branch path
The ratio of 132 two-way fuel oils.It is powered when playing moving electromagnetic valve 2, normally opened port 21 is closed, and normally closed port 22 is opened, and fuel oil enters this
After device after accelerating adjuster 1, working connection 12 is closed to the right, and downward working connection 13 is opened, and branch path 132 passes through to the right
The public port of moving electromagnetic valve 2 and normally closed port, which lead to, starts fuel path, to start fuel nozzle fuel feeding, for gas turbine point
Fire, which starts, to be used；Downward working connection 13 leads to main fuel oil circuit, when the control valve in the branch path is opened, downward working connection
13 be main fuel path fuel feeding, is used for gas turbine operation.Powered off when playing moving electromagnetic valve 2, normally opened port is opened, normally closed port
Close, fuel oil enters after the present apparatus after accelerating adjuster 1, and fuel oil is passed through main fuel oil circuit downstream completely.
Especially, in Study On Start-up Process For Gas Turbines, when rotating speed rises to the 4% of rated speed, it is logical to play moving electromagnetic valve 2
Electricity, igniter start to strike sparks, and fuel oil is atomized and is ignited into combustion chamber from fuel nozzle is started, when rotating speed rises to specified turn
Speed 10% when, the solenoid valve of main fuel oil circuit is opened, and fuel oil enters combustion chamber through main fuel nozzle at the same time, when rotating speed rises to
Rated speed 96% when, rise a moving electromagnetic valve 2 power off, fuel oil enter the present apparatus after after accelerating adjuster 1, be divided into downwards
Two-way to the right, downward oil circuit lead to main fuel oil circuit, and oil circuit has passed through normally opened port and the public port of moving electromagnetic valve 2 to the right
Towards main fuel oil circuit, so as to improve the acceleration speed of gas turbine.Rise moving electromagnetic valve 2 power off this action can cause fuel oil rank
Jump, can provide enough fuel oils for gas turbine rated speed full load.
Gas turbine fuel distribution equipment provided by the invention can be that fuel system has two-way fuel feed oil circuit, all the way
It is all the way main fuel nozzle fuel feeding for pilot jet fuel feeding, and when its stopping is to pilot jet fuel feeding, fuel oil is all remitted to master
Fuel nozzle, can improve the acceleration speed of gas turbine and provide enough fuel oils for gas turbine rated speed full load.This
The fuel distribution equipment delicate structure, compact provided is provided, while fuel system reliability can be improved.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named
Title etc. can be different.The equivalent or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, is wrapped
Include in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar way, without departing from structure of the invention or surmounts this
Scope as defined in the claims, is within the scope of protection of the invention.
Claims (7)
1. a kind of gas turbine fuel distribution equipment, including accelerating adjuster and a moving electromagnetic valve, it is characterised in that
The accelerating adjuster is a three way type fuel distribution equipment, including an oil inlet, a downward working connection and one are to the right
Working connection, by pipeline and the fuel supply circuit communication of upstream, the working connection downwards is divided into again to be divided downwards the oil inlet
Branch and to the right branch path, the main fuel oil communication of branch path and gas turbine downwards；
Described moving electromagnetic valve is three-way electromagnetic valve, including normally closed port, the normally opened port and the public port, described
Normally opened port is connected with the working connection to the right in the accelerating adjuster, the starting fuel oil of the normally closed port and gas turbine
Oil communication, the public port are connected with the branch path to the right in the accelerating adjuster.
2. gas turbine fuel distribution equipment according to claim 1, it is characterised in that the accelerating adjuster to
Manual adjusting nut is equipped with lower working connection, to adjust downward branch path and to the right the fuel feeding ratio of branch path.
3. gas turbine fuel distribution equipment according to claim 1, it is characterised in that the accelerating adjuster to
Inferior division road is equipped with control valve.
4. the gas turbine fuel distribution equipment according to the claims, it is characterised in that when described moving electromagnetic valve
During in off-position, normally opened port is opened, and normally closed port shutdown, the fuel oil of the accelerating adjuster is passed through positioned at it completely
The main fuel oil circuit in downstream.
5. the gas turbine fuel distribution equipment according to the claims, it is characterised in that when described moving electromagnetic valve
During in "on" position, normally opened port shutdown, normally closed port is opened, and fuel oil is after the accelerating adjuster, main oil to the right
Road is closed, and branch path leads to the starting fuel path through the public port and normally closed port to the right.
6. the gas turbine fuel distribution equipment according to the claims, it is characterised in that started in gas turbine
Cheng Zhong, when the rotating speed of gas turbine is risen near the 4% of rated speed, the starting solenoid valves are described to divide downwards
Control valve on branch is closed, and fuel oil leads to described rise by the branch path to the right through the public port and normally closed port
Dynamic fuel path；When the rotating speed of gas turbine is risen near the 10% of rated speed, the control in branch path downwards
Valve is opened, and fuel oil leads to the main fuel oil circuit through the branch path downwards at the same time；When the rotating speed of gas turbine rises to volume
When determining near the 96% of rotating speed, described moving electromagnetic valve power-off, the fuel oil of the accelerating adjuster is passed through under it completely
The main fuel oil circuit of trip.
A kind of 7. control method of the gas turbine fuel distribution equipment described in any of the above-described claim, it is characterised in that
The control method comprises the following steps：
SS1. in Study On Start-up Process For Gas Turbines, when the rotating speed of gas turbine is risen near the 4% of rated speed, described
Moving electromagnetic valve is powered, and the control valve in branch path downwards is closed, and fuel oil is by the branch path to the right through described public
Port and normally closed port lead to the starting fuel path；
SS2. when the rotating speed of gas turbine is risen near the 10% of rated speed, the control valve in branch path downwards
Open, fuel oil leads to the main fuel oil circuit through the branch path downwards at the same time；
SS3. when the rotating speed of gas turbine is risen near the 96% of rated speed, described moving electromagnetic valve power-off is described to add
The fuel oil of velocity modulation regulating device is passed through main fuel oil circuit downstream completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369226.9A CN107965390B (en) | 2017-12-18 | 2017-12-18 | Fuel distribution device of gas turbine and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711369226.9A CN107965390B (en) | 2017-12-18 | 2017-12-18 | Fuel distribution device of gas turbine and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107965390A true CN107965390A (en) | 2018-04-27 |
| CN107965390B CN107965390B (en) | 2023-09-15 |
Family
ID=61995452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711369226.9A Active CN107965390B (en) | 2017-12-18 | 2017-12-18 | Fuel distribution device of gas turbine and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107965390B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159348A (en) * | 1997-12-01 | 1999-06-15 | Mitsubishi Heavy Ind Ltd | Main nozzle switching control method for oil burning combustor |
| CN101255821A (en) * | 2007-03-02 | 2008-09-03 | 涡轮梅坎公司 | Method of starting a gas turbine helicopter engine, a fuel feed circuit for such an engine, and an engine having such a circuit |
| CN103603727A (en) * | 2013-11-21 | 2014-02-26 | 中国南方航空工业(集团)有限公司 | Start fuel control system of turboshaft engine |
| CN106640379A (en) * | 2016-10-17 | 2017-05-10 | 中国民用航空飞行学院 | Starting and oil-supply system of micro turbine engine and starting and oil-supply method thereof |
| CN207813754U (en) * | 2017-12-18 | 2018-09-04 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of gas turbine fuel distribution equipment |
-
2017
- 2017-12-18 CN CN201711369226.9A patent/CN107965390B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159348A (en) * | 1997-12-01 | 1999-06-15 | Mitsubishi Heavy Ind Ltd | Main nozzle switching control method for oil burning combustor |
| CN101255821A (en) * | 2007-03-02 | 2008-09-03 | 涡轮梅坎公司 | Method of starting a gas turbine helicopter engine, a fuel feed circuit for such an engine, and an engine having such a circuit |
| CN103603727A (en) * | 2013-11-21 | 2014-02-26 | 中国南方航空工业(集团)有限公司 | Start fuel control system of turboshaft engine |
| CN106640379A (en) * | 2016-10-17 | 2017-05-10 | 中国民用航空飞行学院 | Starting and oil-supply system of micro turbine engine and starting and oil-supply method thereof |
| CN207813754U (en) * | 2017-12-18 | 2018-09-04 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of gas turbine fuel distribution equipment |
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| Publication number | Publication date |
|---|---|
| CN107965390B (en) | 2023-09-15 |
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