CN207813754U - A kind of gas turbine fuel distribution equipment - Google Patents
A kind of gas turbine fuel distribution equipment Download PDFInfo
- Publication number
- CN207813754U CN207813754U CN201721771512.3U CN201721771512U CN207813754U CN 207813754 U CN207813754 U CN 207813754U CN 201721771512 U CN201721771512 U CN 201721771512U CN 207813754 U CN207813754 U CN 207813754U
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- Prior art keywords
- fuel
- gas turbine
- port
- electromagnetic valve
- distribution equipment
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- 239000000446 fuel Substances 0.000 title claims abstract description 94
- 239000000295 fuel oil Substances 0.000 claims abstract description 60
- 239000003921 oil Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 42
- 238000002485 combustion reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010761 intermediate fuel oil Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model discloses a kind of gas turbine fuel distribution equipments, including accelerating adjuster and moving electromagnetic valve, and 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 energized state, 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 utility model, 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, and the acceleration rate of gas turbine can be improved and provide enough fuel oils for gas turbine rated speed full load.It is fuel distribution equipment delicate structure provided by the utility model, compact, while fuel system reliability can be improved.
Description
Technical field
The utility model is related to gas turbine fuel system technical fields, particularly, are related to a kind of gas turbine fuel oil point
With device.
Background technology
Gas turbine fuel system generally used single oil circuit to give combustion chamber fuel feeding in the past, partly used the combustion of double oil circuits fuel feeding
Oil system is also to be made of two completely self-contained single oil circuits, complicated, poor reliability.It is wanted with to gas turbine performance
The increasingly raising asked, traditional fuel system cannot be satisfied fuel delivery and the atomization demand of each operating mode of gas turbine, usually lead
It causes gas turbine combustion flame instability, the problems such as efficiency of combustion is low and combustor exit temperature is unevenly distributed, even results in a little
Fire failure is flame-out.So a kind of simple and reliable, compact-sized double oil circuits fuel system of valve puies forward the performance of gas turbine
High and stable operation is significant, and the fuel distribution equipment of this paper valves makes fuel system use double oil circuits 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 utility model provides a kind of gas turbine fuel distribution dress
It sets, is mounted on after fuel oil regulating device in fuel system, fuel oil is divided into two-way, be supplied to gas turbine all the way and start spray
Mouth is supplied to gas turbine main fuel nozzle all the way for gas turbine ignition start, and gas turbine operation is used, this two-way fuel oil
It can cut off or open respectively.The device can obviously optimize gas turbine ignition success rate and combustor exit temperature distribution, improve
Gas turbine performance and reliability service time.
The utility model is that technical solution used by solving its technical problem is：
A kind of gas turbine fuel distribution equipment, including accelerating adjuster and moving electromagnetic valve, which is characterized 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 the fuel supply circuit communication of pipeline and upstream, the downward working connection be divided into for
Inferior division road and to the right branch path, the main fuel oil communication of the downward branch path and gas turbine；
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 to the working connection to the right in the accelerating adjuster, the starting of the normally closed port and gas turbine
Fuel path is connected to, and the public port is connected to the branch path to the right in the accelerating adjuster.
Preferably, it is equipped with manual adjusting nut in the downward working connection of the accelerating adjuster, divides 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 energized state, 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 logical 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 rises near the 4% of rated speed
When, the starting solenoid valves, the control valve in the downward branch path 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 the downward branch path is opened, and fuel oil leads to the master through the downward branch path simultaneously
Fuel path；When the rotating speed of gas turbine rises 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.
The gas turbine fuel distribution equipment of the utility model, its working principle is that：
Enter the present apparatus after the components such as fuel oil pumps 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 be by adjusting top nut adjustment manually
Needle-valve is inserted into orifice plate depth to adjust the ratio with two-way fuel oil to the right downwards.It is three-way electromagnetic valve, tool to play moving electromagnetic valve 2
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 fuel path port is started, the oil circuit to the right that the downward oil circuit of public port and accelerating adjuster 1 is divided into out
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 as two-way oil circuit downwards and to the right, a road direction
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 for main fuel when the solenoid valve of main fuel oil circuit is opened
Mouth fuel feeding is used 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
It is main fuel nozzle fuel feeding when the solenoid valve of oil circuit is opened, oil circuit has passed through the normally opened port and common end 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, plays moving electromagnetic valve 2 and be powered, igniting
Device starts to strike sparks, and fuel oil is atomized and is ignited from starting fuel nozzle and enter combustion chamber, 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 simultaneously, when rotating speed rise to it is specified
Rotating speed 96% when, play moving electromagnetic valve 2 and power off, fuel oil enters after the present apparatus 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, to improve the acceleration rate 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 utility model, can be such that fuel 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 is to pilot jet
When fuel feeding, fuel oil is all remitted to main fuel nozzle, and the acceleration rate of gas turbine can be improved and expire for gas turbine rated speed
Enough fuel oils are provided when load.It is fuel distribution equipment delicate structure provided by the utility model, compact, while Fuel System can be improved
System reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the gas turbine fuel distribution equipment of the utility model.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be noted that the realization method for not being painted or describing in attached drawing, for institute
Belong to form known to a person of ordinary skill in the art in technical field.In addition, the direction term mentioned in following embodiment, such as "upper",
"lower", "front", "rear", "left", "right", "top", "bottom" etc. are only the directions of refer to the attached drawing.Therefore, the direction term used is
For illustrating not to be used for limiting the utility model.
As shown in Figure 1, the gas turbine fuel distribution equipment of the utility model, including accelerating adjuster 1 and starting electricity
Magnet valve 2, accelerating adjuster 1 be a three way type fuel distribution equipment, including an oil inlet 11, a downward working connection 13 and one to
Right working connection 12, oil inlet 11 are divided into divide downwards by the fuel supply circuit communication of pipeline and upstream, downward working connection 13
Branch 131 and to the right branch path 132, downward branch path 131 are equipped with control valve and connect with the main fuel oil circuit of gas turbine
It is logical；It is three-way electromagnetic valve, including normally opened port 21, normally closed port 22 and public port 23, normally opened port 21 to play moving electromagnetic valve 2
It is connected to the working connection to the right 12 in accelerating adjuster 1, normally closed port 22 is connected to the starting fuel path of gas turbine, public
Port 23 is connected to the branch path to the right 132 in accelerating adjuster 1 altogether.
Fuel oil enters the present apparatus through fuel system intermediate fuel oil pump, fuel filter and fuel oil regulating device etc..Accelerating adjuster 1
Orifice plate depth can be inserted into adjust downward branch path 131 and to the right branch path by adjusting top nut adjustment needle-valve manually
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.It is powered off when playing moving electromagnetic valve 2, normally opened port is opened, normally closed port
It closes, fuel oil enters after the present apparatus after accelerating adjuster 1, and fuel oil is passed through main fuel oil circuit downstream completely.
Particularly, 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 from starting fuel nozzle and enter combustion chamber, 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 simultaneously, when rotating speed rises to
Rated speed 96% when, play moving electromagnetic valve 2 and power off, fuel oil enters after the present apparatus after accelerating adjuster 1, is 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, to improve the acceleration rate 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 utility model, which can be fuel system, two-way fuel feed oil circuit,
It is all the way pilot jet fuel feeding, is all the way main fuel nozzle fuel feeding, and when its stopping is to pilot jet fuel feeding, fuel oil all converges
Toward main fuel nozzle, the acceleration rate of gas turbine can be improved and provide enough combustions for gas turbine rated speed full load
Oil.It is fuel distribution equipment delicate structure provided by the utility model, compact, while fuel system reliability can be improved.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done,
It is included in the protection domain of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or substitutes by a similar method, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of gas turbine fuel distribution equipment, including accelerating adjuster and moving electromagnetic valve, which is characterized 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, the oil inlet are divided by the fuel supply circuit communication of pipeline and upstream, the downward working connection to divide downwards
Branch and to the right branch path, the main fuel oil communication of the downward branch path and gas turbine；
Described moving electromagnetic valve is three-way electromagnetic valve, including normally closed port, normally opened port and public port, the normally opened port
It is connected to the working connection to the right in the accelerating adjuster, the starting fuel path of the normally closed port and gas turbine connects
Logical, the public port is connected to the branch path to the right in the accelerating adjuster.
2. gas turbine fuel distribution equipment according to claim 1, which is characterized in that the accelerating adjuster to
Manual adjusting nut is equipped in 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, which is characterized in that the accelerating adjuster to
Inferior division road is equipped with control valve.
4. gas turbine fuel distribution equipment according to claim 1, which is characterized in that when described moving electromagnetic valve is in
When off-position, normally opened port is opened, and the fuel oil of normally closed port shutdown, the accelerating adjuster is passed through downstream completely
Main fuel oil circuit.
5. gas turbine fuel distribution equipment according to claim 1, which is characterized in that when described moving electromagnetic valve is in
When energized state, normally opened port shutdown, normally closed port is opened, and fuel oil is after the accelerating adjuster, working connection quilt to the right
It closes, branch path leads to the starting fuel path through the public port and normally closed port to the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771512.3U CN207813754U (en) | 2017-12-18 | 2017-12-18 | A kind of gas turbine fuel distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771512.3U CN207813754U (en) | 2017-12-18 | 2017-12-18 | A kind of gas turbine fuel distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813754U true CN207813754U (en) | 2018-09-04 |
Family
ID=63332247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721771512.3U Expired - Fee Related CN207813754U (en) | 2017-12-18 | 2017-12-18 | A kind of gas turbine fuel distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965390A (en) * | 2017-12-18 | 2018-04-27 | 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 and its control method |
-
2017
- 2017-12-18 CN CN201721771512.3U patent/CN207813754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965390A (en) * | 2017-12-18 | 2018-04-27 | 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 and its control method |
| CN107965390B (en) * | 2017-12-18 | 2023-09-15 | 中科合肥微小型燃气轮机研究院有限责任公司 | Fuel distribution device of gas turbine and control 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: 20180904 |