CN107120194A - A kind of fuel self-adjusted block device and gas furnace turbine - Google Patents
A kind of fuel self-adjusted block device and gas furnace turbine Download PDFInfo
- Publication number
- CN107120194A CN107120194A CN201710381276.2A CN201710381276A CN107120194A CN 107120194 A CN107120194 A CN 107120194A CN 201710381276 A CN201710381276 A CN 201710381276A CN 107120194 A CN107120194 A CN 107120194A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fuel
- control element
- pipe
- block device
- 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
- 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
Abstract
The present invention relates to the technical field of gas turbine, a kind of fuel self-adjusted block device and gas furnace turbine are disclosed.The distributor includes：First pipeline and the second pipe communicated therewith, one end of the first pipeline is fuel gas inlet, and the other end connects the pre-combustion grade fuel inlet of gas turbine, and second pipe connects the main combustion stage fuel inlet of gas turbine；Wherein, annular convex shoulder is provided with first pipeline, and first slidable fit in pipeline have control element, teasehole is provided with control element, the diameter of teasehole is less than the internal diameter of the first pipeline, compression spring is provided between annular convex shoulder and control element, when compression spring is compressed, the first pipeline and second pipe connection.In above-mentioned implementation, second pipe is opened according to the flow velocity of combustion gas by control element, it is achieved thereby that automatically controlling the fuel distribution of its main combustion stage and pre-combustion grade, is conducive to controlling the temperature in combustion chamber, reduces exhaust emission.
Description
Technical field
The present invention relates to the technical field of gas turbine, more particularly to a kind of fuel self-adjusted block device and combustion gas
Stove turbine.
Background technology
Gas turbine has compact conformation, lightweight, and the low feature of maintenance cost can be widely applied to distributed power generation neck
Domain.Contain NOx (nitrogen oxides) in gas turbine combustion product, NOx mainly includes NO and NO2.NO is a kind of no color or smell
Gas, if the NO concentration in air has reached certain degree, will be combined with the hemochrome in blood, cause blood anoxic
So as to cause nervous centralis to be benumbed.NO2 is a kind of red toxic gas, swashs effect to human body respiration organ spinosity, easily causes
Pulmonary emphysema and lung cancer, NO2 can also destroy ozone formation Ozone hole.So to take technical measures to reduce gas turbine as far as possible
NOx discharge.
In the gas turbine, influence of the temperature to NOx when fuel in combustion chamber is burnt is very big, NOx yield and life
It is exponentially increased into speed with the rise of ignition temperature.So reduction gas turbine NOx discharge capacity, key is to burn
Indoor temperature control is at reduced levels (generally 1700K-1900K, if temperature is lower to influence efficiency of combustion), therefore, such as
What control burning indoor temperature has a very big significance.
The content of the invention
The invention provides a kind of fuel self-adjusted block device and gas furnace turbine, realization automatically control its main combustion stage and
The fuel distribution of pre-combustion grade, is conducive to controlling the temperature in combustion chamber, reduces exhaust emission.
The invention provides a kind of fuel self-adjusted block device, the distributor includes：First pipeline and with it is described
The second pipe of first pipeline communication, one end of first pipeline is fuel gas inlet, and the other end is used to connect gas turbine
Pre-combustion grade fuel inlet, the second pipe is used for the main combustion stage fuel inlet for connecting gas turbine；Wherein,
Slidable fit in annular convex shoulder, and first pipeline is provided with first pipeline control element, described
The teasehole for connecting the fuel gas inlet and the pre-combustion grade fuel inlet, the diameter of the teasehole are provided with control element
Less than the internal diameter of first pipeline, compression spring is provided between the annular convex shoulder and the control element；In the pressure
When contracting spring is in free state, the control element blocks the connectivity part of first pipeline and the second pipe,
The compression spring is by after compression setpoint distance, and first pipeline is connected with the second pipe.
In above-mentioned implementation, control element is provided with the first pipeline, and pass through stream of the control element according to combustion gas
Speed opens second pipe, it is achieved thereby that automatically controlling the fuel distribution of its main combustion stage and pre-combustion grade, is conducive to controlling combustion chamber
Interior temperature, reduces exhaust emission.
In a specific embodiment, the control element is the tubular structure of one end open, and the tubular knot
The teasehole is provided with one end of structure closing.
In a specific embodiment, the compression spring is inserted partially into the tubular structure and is pressed on institute
State one end of tubular structure closing.
In a specific embodiment, through hole is provided with the side wall of the tubular structure, and in the compression bullet
Spring be in free state when, the through hole by first pipeline inwall block, the compression spring by compression setting away from
From when, the through hole is connected with the second pipe.
In a specific embodiment, the second pipe is the bending pipeline of L-shaped.
In a specific embodiment, the hole between the teasehole and the annular convex shoulder is coaxially disposed.
In a specific embodiment, at the annular convex shoulder to the second pipe and first pipeline communication
Distance be more than the control element length.
In a specific embodiment, first pipeline is structure as a whole with the annular convex shoulder.
In a specific embodiment, first pipeline is ladder pipeline, and the control element and the ring
Shape convex shoulder is respectively positioned in the pipeline being relatively large in diameter in first pipeline.
Present invention also offers a kind of gas furnace turbine, the fuel that the gas furnace turbine is included described in any of the above-described is adaptive
Answer distributor.
In above-mentioned implementation, control element is provided with the first pipeline, and pass through stream of the control element according to combustion gas
Speed opens second pipe, it is achieved thereby that automatically controlling the fuel distribution of its main combustion stage and pre-combustion grade, is conducive to controlling combustion chamber
Interior temperature, reduces exhaust emission.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of fuel self-adjusted block device provided in an embodiment of the present invention；
Fig. 2 is the sectional view of fuel self-adjusted block device provided in an embodiment of the present invention；
Fig. 3 is the structural representation of control element provided in an embodiment of the present invention；
Fig. 4 is the use state of fuel self-adjusted block device provided in an embodiment of the present invention with reference to figure；
Fig. 5~Fig. 7 is the state flow chart of fuel self-adjusted block device provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 is referred in the lump, wherein, Fig. 1 and Fig. 2 respectively illustrate the fuel self-adjusted block device of different angles
Structure.
The embodiments of the invention provide a kind of fuel self-adjusted block device, the agent structure of the distributor includes two
Pipeline, respectively the first pipeline 23 and second pipe 22, wherein, one end of the first pipeline 23 is fuel inlet 21, and the other end is
The connector of pre-combustion grade fuel inlet 21, second pipe 22 is connected with the first pipeline 23, in specific connection, the first pipeline 23 and the
The structure of two pipelines 22, one T-shaped of formation, the i.e. connectivity part of the pipeline 23 of second pipe 22 and first is located at the side of the first pipeline 23
On wall, the one end of second pipe 22 away from the first pipeline 23 is the connector of main combustion stage fuel inlet 21.In specific connection, first
The connector of pre-combustion grade fuel inlet 21 of pipeline 23 is connected with the pre-combustion grade fuel inlet 21 of gas furnace turbine, second pipe 22
The connector of main combustion stage fuel inlet 21 is connected with the main combustion stage fuel inlet 21 of gas furnace turbine.In order to realize to main combustion stage and pre-
Automatically controlling for the fuel distribution of combustion level, is provided with a control element 26 in the distributor that the present embodiment is provided, also,
The teasehole 27 of connection fuel gas inlet and pre-combustion grade fuel inlet 21 is provided with the control element 26, the diameter of teasehole 27 is small
In the internal diameter of the first pipeline 23, specifically, being set in first pipeline 23 in slidable fit control element 26, and the first pipeline 23
An annular convex shoulder 24 is put, the annular convex shoulder 24 is used to coordinate with control element 26.In specific set, in order to improve stabilization
Property, the first pipeline 23 is structure as a whole with annular convex shoulder 24.So as to ensure that the connection of annular convex shoulder 24 and the first pipeline 23 is strong
Degree, in specific manufacture, can by way of injection the first pipeline of integrated injection molding 23 and annular convex shoulder 24.In addition, being
The mobility of combustion gas is improved, the hole between the teasehole 27 and annular convex shoulder 24 is coaxially disposed.So as to ensure that combustion gas can be suitable
Smooth circulates in the first pipeline 23.
With continued reference to Fig. 1 and Fig. 2, in specific set, compression bullet is provided between annular convex shoulder 24 and control element 26
Spring 25, the two ends of the compression spring 25 are pressed on annular convex shoulder 24 and control element 26 respectively, and at compression spring 25
When free state, the control element 26 blocks the connectivity part of the first pipeline 23 and second pipe 22, and in compression spring
25 by after compression setpoint distance, and the first pipeline 23 is connected with second pipe 22.
Fig. 3 is referred in the lump, and Fig. 3 shows the structure for the control element 26 that the present embodiment is provided, in the present embodiment, the control
Element 26 processed is to be provided with teasehole 27 on the tubular structure of one end open, and one end of tubular structure closing.Wherein, the tubular
The opening of structure is inserted partially into tubular structure towards annular convex shoulder 24, and compression spring 25 and is pressed on tubular structure envelope
The one end closed.When using the structure, when compression spring 25 is compressed, pass through the restriction of the side wall of tubular structure, it is ensured that
The direction of the deformation of compression spring 25, it is to avoid the situation that compression spring 25 is bent when compressed occur, it is ensured that compression spring 25
The work that can stablize.
With continued reference to Fig. 1 and Fig. 2, the first pipeline 23 that the present embodiment is provided it can be seen from Fig. 1 and Fig. 2 is straight for one
Pipeline, second pipe 22 is the bending pipeline of a L-shaped.More specifically, first pipeline 23 is a ladder pipeline, and is controlled
Element 26 and annular convex shoulder 24 are respectively positioned in the pipeline being relatively large in diameter in the first pipeline 23, and the pipeline of second pipe 22 and first
23 connectivity part also is located at the pipeline that is relatively large in diameter on the first pipeline 23.
In the above-described embodiments, because the diameter of the teasehole 27 set on control element 26 is less than in the first pipeline 23
Footpath, by hydrodynamics it is known that air-flow pressure differential occurs in the both sides of teasehole 27, it is thereby achieved that being pushed away by combustion gas
The purpose that dynamic control element 26 is slided.When fuel gas inlet is passed through combustion gas, the flow velocity of combustion gas is continuously increased, with gas flow rate
Constantly increase, gradually overcomes the pressure of compression spring 25, to promote control element 26, in initial position, control element 26
The connection position of the first pipeline of tubular structure side walls seal 23 and second pipe 22, when control element 26 is entirely open, first
Pipeline 23 is connected with second pipe 22, now, and combustion gas can enter main combustion stage fuel inlet 21.When using which, lead to
Cross the mode for pushing whole control element 26 open and realize that the first pipeline 23 and second pipe 22 are connected, now, annular convex shoulder 24 is arrived
The distance of the connectivity part of 22 and first pipeline of second pipe 23 is more than the length of control element 26.So as to ensure connectivity part and convex annular
There are enough space control elements 26 between shoulder 24., such as can be with further, it is also possible to realize connection using other modes
Through hole is provided with the side wall of tubular structure, and when compression spring 25 is in free state, through hole is by the first pipeline 23
Inwall is blocked, and when compression spring 25 is by compression setpoint distance, through hole is connected with second pipe 22.Now, without will entirely control
Element 26 processed is pushed open, only need to promote control element 26 so that through hole is connected with connectivity part.
The distributor that the present embodiment is provided for convenience, it is described in detail with reference to Fig. 4.Fig. 4 is shown
The structure of gas furnace turbine, the i.e. use state of distributor are with reference to figure, as shown in figure 4, the gas furnace turbine includes one
Casing 12, the casing 12 is connected to air intake 13, be also provided with the casing 12 pre-mixing apparatus 16 and with pre-mixing apparatus 16
The combustion chamber 15 of connection, the combustion chamber 15 is connected to gas outlet 14, in addition, the pre-mixing apparatus 16 is connected to main combustion stage and pre-burning
The admission line of level.When specifically used, the first pipeline 23 of the fuel self-adjusted block device 11 that the present embodiment is provided and the
Two pipelines 22 are connected with pre-combustion grade fuel inlet 21 and main combustion stage fuel inlet 21 respectively.
Fig. 5~Fig. 7 is referred in the lump, and when specifically used, when gas turbine is started working, the position of control element 26 is in
Position 31 as shown in Figure 5, control element 26 has blocked the stream towards main combustion stage fuel inlet 21, at this moment from fuel inlet 21
The fuel of entrance leads to pre-combustion grade fuel inlet 21 by the teasehole 27 on control element 26, so in combustion chamber 15 only
There is pre-combustion grade to have fuel in burning work.With the increase of fuel quantity, the pressure differential of the both sides of teasehole 27 is increasing, works as pressure
When difference is more than the elastic force of compression spring 25, compression spring 25 is compressed, and the position of such control element 26 will be with compression spring
25 movement, now, the control element 26 be in position 32 as shown in Figure 6, at this moment will some fuel pass through main combustion stage
Fuel inlet 21, main combustion stage also begins to burning fuel and worked so in combustion chamber 15.With the further increasing of fuel quantity
Plus, the pressure differential of the both sides of teasehole 27 is increasing, and compression spring 25 is also further compressed, the position of final control element 26
Position 33 as shown in Figure 7 is put, at this moment main combustion stage has just reached greatest amount of fuel, the stable burning work in combustion chamber 15.
By foregoing description as can be seen that the distributor that the present embodiment is provided is provided with control member in the first pipeline 23
Part 26, and second pipe 22 is opened according to the flow velocity of combustion gas by control element 26, it is achieved thereby that automatically controlling its main combustion
The fuel of level and pre-combustion grade is distributed, and is conducive to controlling the temperature in combustion chamber 15, is reduced exhaust emission.
With continued reference to Fig. 4, the embodiment of the present invention additionally provides a kind of gas furnace turbine, and the gas furnace turbine includes above-mentioned
The fuel self-adjusted block device of one.
In above-mentioned implementation, control element 26 is provided with the first pipeline 23, and by control element 26 according to combustion
The flow velocity of gas opens second pipe 22, it is achieved thereby that automatically controlling the fuel distribution of its main combustion stage and pre-combustion grade, is conducive to control
Temperature in combustion chamber 15 processed, reduces exhaust emission.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of fuel self-adjusted block device, it is characterised in that including：First pipeline and with first pipeline communication
Second pipe, one end of first pipeline is fuel gas inlet, and the other end is used for the pre-combustion grade fuel inlet for connecting gas turbine,
The second pipe is used for the main combustion stage fuel inlet for connecting gas turbine；Wherein,
Slidable fit in annular convex shoulder, and first pipeline is provided with first pipeline control element, the control
The teasehole for connecting the fuel gas inlet and the pre-combustion grade fuel inlet is provided with element, the diameter of the teasehole is less than
The internal diameter of first pipeline；Compression spring is provided between the annular convex shoulder and the control element；In the compression bullet
When spring is in free state, the control element blocks the connectivity part of first pipeline and the second pipe, described
Compression spring is by after compression setpoint distance, and first pipeline is connected with the second pipe.
2. fuel self-adjusted block device as claimed in claim 1, it is characterised in that the control element is one end open
The teasehole is provided with tubular structure, and one end of tubular structure closing.
3. fuel self-adjusted block device as claimed in claim 2, it is characterised in that the compression spring is inserted partially into institute
State in tubular structure and be pressed on one end of the tubular structure closing.
4. fuel self-adjusted block device as claimed in claim 2, it is characterised in that set on the side wall of the tubular structure
There is through hole, and when the compression spring is in free state, the through hole is blocked by the inwall of first pipeline, described
When compression spring is by compression setpoint distance, the through hole is connected with the second pipe.
5. fuel self-adjusted block device as claimed in claim 1, it is characterised in that the second pipe is the bending of L-shaped
Pipeline.
6. the fuel self-adjusted block device as described in any one of Claims 1 to 5, it is characterised in that the teasehole and institute
The hole stated between annular convex shoulder is coaxially disposed.
7. fuel self-adjusted block device as claimed in claim 6, it is characterised in that the annular convex shoulder to the described second pipe
Road is more than the length of the control element with the distance at first pipeline communication.
8. fuel self-adjusted block device as claimed in claim 6, it is characterised in that first pipeline and the convex annular
Shoulder is structure as a whole.
9. fuel self-adjusted block device as claimed in claim 6, it is characterised in that first pipeline is ladder pipeline,
And the control element and the annular convex shoulder are respectively positioned in the pipeline being relatively large in diameter in first pipeline.
10. a kind of gas furnace turbine, it is characterised in that including the fuel self-adjusted block as described in any one of claim 1~9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710381276.2A CN107120194B (en) | 2017-05-25 | 2017-05-25 | Fuel self-adaptive distribution device and gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710381276.2A CN107120194B (en) | 2017-05-25 | 2017-05-25 | Fuel self-adaptive distribution device and gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107120194A true CN107120194A (en) | 2017-09-01 |
| CN107120194B CN107120194B (en) | 2023-08-18 |
Family
ID=59728950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710381276.2A Active CN107120194B (en) | 2017-05-25 | 2017-05-25 | Fuel self-adaptive distribution device and gas turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107120194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065638A (en) * | 2018-01-22 | 2019-07-30 | 中国航发商用航空发动机有限责任公司 | A kind of bleed anti-icing equipment |
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| CN207004655U (en) * | 2017-05-25 | 2018-02-13 | 上海泛智能源装备有限公司 | A kind of fuel self-adjusted block device and gas furnace turbine |
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| CN202176756U (en) * | 2011-06-28 | 2012-03-28 | 上海梅山钢铁股份有限公司 | Self-operated type pressure-range automatic switching valve |
| CN103161631A (en) * | 2011-12-12 | 2013-06-19 | 中航商用航空发动机有限责任公司 | Fuel oil distributor used in motor |
| TWM495890U (en) * | 2014-09-25 | 2015-02-21 | Qiu-Feng Liu | Automatic pressure relief device of water filter |
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| CN110065638A (en) * | 2018-01-22 | 2019-07-30 | 中国航发商用航空发动机有限责任公司 | A kind of bleed anti-icing equipment |
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| Publication number | Publication date |
|---|---|
| CN107120194B (en) | 2023-08-18 |
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Address after: 201306 101 new office building, A, 7 new industrial park, Shanghai, Pudong New Area, 600 new Yuan South Road, Pudong New Area. Applicant after: ENN ENERGY POWER TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Applicant before: SHANGHAI FANZHI ENERGY EQUIPMENT CO.,LTD. |
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