CN107676815A - Burner and the gas turbine with the burner - Google Patents
Burner and the gas turbine with the burner Download PDFInfo
- Publication number
- CN107676815A CN107676815A CN201710791240.1A CN201710791240A CN107676815A CN 107676815 A CN107676815 A CN 107676815A CN 201710791240 A CN201710791240 A CN 201710791240A CN 107676815 A CN107676815 A CN 107676815A
- Authority
- CN
- China
- Prior art keywords
- injector nozzles
- peripheral injector
- water conservancy
- conservancy diversion
- burner
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 120
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000004744 fabric Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 19
- 239000000446 fuel Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 7
- 239000003570 air Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/16—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of burner and the gas turbine with the burner, the burner include muff, burner inner liner, central nozzle, multiple peripheral injector nozzles, flow guide sleeve and water conservancy diversion bent plate；The burner inner liner, the central nozzle and multiple peripheral injector nozzles are respectively provided in the muff；The water conservancy diversion is set in the muff and is connected with the rear end of the burner inner liner, and the water conservancy diversion is set in outside multiple peripheral injector nozzles, and the flow guide sleeve is provided with pod apertures corresponding with the peripheral injector nozzles respectively；The water conservancy diversion bent plate is located in the flow guide sleeve and on rear side of the pod apertures, for air in the space between the flow guide sleeve and the peripheral injector nozzles to be separately directed into the first outer space and the second outer space.The present invention can effectively adjust the flow direction of air-flow, reduce pressure loss when air reverses, increase peripheral injector nozzles flow field and the uniformity for blending field, improve the combustibility of burner.
Description
Technical field
The present invention relates to gas turbine technology field, more particularly to a kind of burner and the combustion gas wheel with the burner
Machine.
Background technology
In burner in gas turbine, air is inverse from the circular passage between the muff and burner inner liner of burner
Stream and on, reach central nozzle and peripheral injector nozzles front end through flow guide sleeve, the region between combustor endcover and nozzle is reversed, portion
Air is divided to enter the space radially adjacent to muff of peripheral injector nozzles interior edge muff, partial air sprays into center
The inner and/or outer space radially away from muff for enclosing nozzle interior edge muff of mouth.
However, air has larger radial velocity when reversing so that close to the sky of muff in peripheral injector nozzles
Between air mass flow be much larger than the air mass flow for entering the space away from muff in peripheral injector nozzles, air flow is uneven
It is even, easily cause the blending of fuel and air uneven, influence burner performance.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, one aspect of the present invention proposes a kind of burner of gas turbine, the burner of the gas turbine can be effective
The flow direction of air-flow is adjusted, reduces pressure loss when air reverses, increase peripheral injector nozzles flow field and the uniformity for blending field,
Improve the combustibility of burner.
Another aspect of the present invention also proposes a kind of gas turbine.
The burner of the gas turbine of embodiment according to an aspect of the present invention includes muff；Burner inner liner, it is described
Burner inner liner is located in the muff；Central nozzle, the central nozzle are located at center in the muff
Place；Multiple peripheral injector nozzles, multiple peripheral injector nozzles are located in the muff and surround central nozzle interval cloth
Put；Flow guide sleeve, the water conservancy diversion are set in the muff and are connected with the rear end of the burner inner liner so as to the flame
Circular passage is formed between cylinder and the flow guide sleeve and the muff, the water conservancy diversion is set in multiple peripheral injector nozzles
Outside and it is spaced apart with each peripheral injector nozzles, the flow guide sleeve is provided with water conservancy diversion corresponding with the peripheral injector nozzles respectively
Hole, the sky that a part of air-flow in the circular passage enters between the flow guide sleeve and the peripheral injector nozzles from the pod apertures
Between, the inner side that another part air-flow in the circular passage is entered in the peripheral injector nozzles by the rear side of the flow guide sleeve is empty
Between and/or the central nozzle in；Water conservancy diversion bent plate, the water conservancy diversion bent plate are located in the outside wall surface of the peripheral injector nozzles and are located at institute
State on rear side of pod apertures, for a part of air-flow in the space between the flow guide sleeve and the peripheral injector nozzles is curved from the water conservancy diversion
The front side of plate is guided to the first outer space in the peripheral injector nozzles and by between the flow guide sleeve and the peripheral injector nozzles
The rear side of another part air-flow from the water conservancy diversion bent plate in space guide to the second outer space of the peripheral injector nozzles.
It is curved by the water conservancy diversion in the pod apertures and flow guide sleeve on flow guide sleeve according to the burner of the gas turbine of the present invention
Plate, the flow direction of air-flow can be effectively adjusted, reduce pressure loss when air reverses, increase peripheral injector nozzles flow field and blending
The uniformity of field, improve the combustibility of burner.
In certain embodiments, the water conservancy diversion bent plate is the general U-shape towards open front.
In certain embodiments, the first paragraph of the water conservancy diversion bent plate is extended between the flow guide sleeve and the peripheral injector nozzles
Space, the second segment of the water conservancy diversion bent plate extends towards the peripheral injector nozzles downstream.
In certain embodiments, the first paragraph of the water conservancy diversion bent plate is installed on the peripheral injector nozzles by mounting bracket.
In certain embodiments, looked up from the axle of the flow guide sleeve, the water conservancy diversion bent plate is substantially fan annular.
In certain embodiments, multiple peripheral injector nozzles are evenly arranged in the circumference of the muff.
In certain embodiments, the cross section of the muff is divided into and the one-to-one area of the peripheral injector nozzles
Domain, is provided with the peripheral injector nozzles in each region, and the radian in each region is θ 1, and the two of the neighboring of the water conservancy diversion bent plate
Angle between two lines at the center of end points and the muff is θ 2, and wherein θ 2 is the 1/2~1/3 of θ 1.
In certain embodiments, corresponded each other between the water conservancy diversion bent plate, the pod apertures and the peripheral injector nozzles.
In certain embodiments, the front face of the water conservancy diversion bent plate is provided with the dividing plate extended forward.
In certain embodiments, the rear end of the muff is provided with end cap, the peripheral injector nozzles and center spray
Mouth is stretched into the muff through the end cap.
The gas turbine of embodiment according to a further aspect of the invention, the gas turbine include the burning of above-described embodiment
Device.
Brief description of the drawings
Fig. 1 is the main sectional view of the burner of gas turbine according to an embodiment of the invention；
Fig. 2 is the partial enlarged drawing of the burner of gas turbine according to an embodiment of the invention；
Fig. 3 is the side view of the burner of gas turbine according to an embodiment of the invention.
Reference：
Muff 1, burner inner liner 2, central nozzle 3, peripheral injector nozzles 4, flow guide sleeve 5, water conservancy diversion bent plate 6, first paragraph 61, the
Two section 62, circular passage 7, pod apertures 8, outer space 9, the first outer space 91, the second outer space 92, inner space 10,
Region 11, end cap 12, mounting bracket 13.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
As Figure 1-3, the burner of gas turbine according to an embodiment of the invention includes muff 1, flame
Cylinder 2, central nozzle 3, multiple peripheral injector nozzles 4, flow guide sleeve 5 and water conservancy diversion bent plate 6.
Burner inner liner 2 is located in muff 1, and is diametrically spaced apart with muff 1, so that air enters
Enter, as shown in the arrow in the outside of Fig. 1 Flames cylinder 2.
Central nozzle 3 is located at center position in muff 1, in order to the spray fuel into burner inner liner 2.
Multiple peripheral injector nozzles 4 are located in muff 1 and surround the arranged for interval of central nozzle 3, in order to burner inner liner 2
Interior spray fuel.
Flow guide sleeve 5 be located in muff 1 and be connected with the rear end (such as left end shown in Fig. 1) of burner inner liner 2 so as to
Burner inner liner 2 and flow guide sleeve 5 form circular passage 7 between muff 4 together, and flow guide sleeve 5 is located at outside multiple peripheral injector nozzles 4
Face and it is spaced apart with each peripheral injector nozzles 4, flow guide sleeve 5 is provided with pod apertures 8 corresponding with peripheral injector nozzles 4 respectively, each periphery
It is spaced between nozzle 4 and flow guide sleeve 5, then a part of air-flow in circular passage 7 enters flow guide sleeve 5 through pod apertures 8 and sprayed with periphery
Space between mouth 4, the inner side that another part air-flow in circular passage 7 is entered in peripheral injector nozzles 7 by the rear side of flow guide sleeve 5
In space 10 and/or central nozzle 3.
It is understood that pod apertures 8 are provided with multiple and corresponded with peripheral injector nozzles 4, i.e., each correspondence of peripheral injector nozzles 4
One pod apertures 8.Here, the injection direction of the mixture of fuel or fuel and air is " preceding ", is with what injection direction deviated from
" rear ", such as shown in Fig. 1, fuel sprays from left to right, then the left end of burner inner liner 2 is rear end, and the right-hand member of burner inner liner 2 is front end.
" inner space " refer to the radial direction along flow guide sleeve 5 in peripheral injector nozzles 4 positioned at the space of the inner side of peripheral injector nozzles 4, i.e., it is peripheral
The space of the internal face radially away from flow guide sleeve 5 of the interior edge flow guide sleeve 5 of nozzle 4, the then footpath along flow guide sleeve 5 in peripheral injector nozzles 4
To positioned at the space in the outside of peripheral injector nozzles 4 be " outer space ", i.e., the interior edge flow guide sleeve 5 of peripheral injector nozzles 4 radially adjacent to leading
The space of the internal face of stream set 5.
Water conservancy diversion bent plate 6 is located in flow guide sleeve 5 and positioned at the rear side of pod apertures 8 (such as left side of pod apertures 8 shown in Fig. 1), used
A part of air-flow in by the space between flow guide sleeve 5 and peripheral injector nozzles 4 is from the front side of water conservancy diversion bent plate 6 (such as shown in Fig. 1
Right side) guide to the first outer space 91 in peripheral injector nozzles 4 and by the space between flow guide sleeve 5 and peripheral injector nozzles 4
Another part air-flow is guided to the second outer space of peripheral injector nozzles 4 from the rear side (such as left side shown in Fig. 1) of water conservancy diversion bent plate 6
92.Here, " the first outer space " and " the second outer space " is formed in above-mentioned " outer space ", " the first outer space "
The space between inwall and water conservancy diversion bent plate 6 for peripheral injector nozzles 4, " the second outer space " are the centerbody of peripheral injector nozzles 4 with leading
The space between bent plate 6 is flowed, i.e. the first outer space 91 is located in the outside of radially the second outer space 92 of peripheral injector nozzles.
It is curved by the water conservancy diversion in the pod apertures and flow guide sleeve on flow guide sleeve according to the burner of the gas turbine of the present invention
Plate, the different spaces in peripheral injector nozzles can be respectively enterd with the air in pessum passage, so as to effectively adjust the stream of air-flow
Dynamic direction, pressure loss when air reverses, increase peripheral injector nozzles flow field and the uniformity for blending field are reduced, improves burner
Combustibility.
In certain embodiments, water conservancy diversion bent plate 6 is the general U-shape towards open front (as shown in Figure 1 towards right opening).One
In a little optional embodiments, the first paragraph 61 of water conservancy diversion bent plate 6 is extended in the space between flow guide sleeve 5 and peripheral injector nozzles 4, water conservancy diversion
The second segment 62 of bent plate 6 extends towards the downstream of peripheral injector nozzles 4.As shown in figure 1, the second segment 62 of water conservancy diversion bent plate 6 prolongs from left to right
Stretch.It is understood that second segment 62 is extended in peripheral injector nozzles 4, can also be in the rear side of peripheral injector nozzles 4.In other words,
As shown in figure 1, on the vertical section of muff 1, water conservancy diversion bent plate 6 is the general U-shape towards right opening, the of water conservancy diversion bent plate 6
In one section of 61 space being located between flow guide sleeve 5 and peripheral injector nozzles 4 and along the axially extending of flow guide sleeve 5, the first of water conservancy diversion bent plate 6
Section 61 is spaced apart with flow guide sleeve 5 and peripheral injector nozzles 4 respectively, and the space between flow guide sleeve 5 and peripheral injector nozzles 4 is (curved with water conservancy diversion
Part corresponding to plate 6) it is divided into different subspaces.The second segment 62 of water conservancy diversion bent plate 6 is located in outer space 9 and peripherally nozzle
4 it is axially extending, outer space 9 is divided into the first outer space 91 and the second outer space 92 in the radial direction of peripheral injector nozzles 9.
In certain embodiments, the first paragraph 61 of water conservancy diversion bent plate 6 is installed on the peripheral injector nozzles 4 by mounting bracket 13
On.Such as shown in Fig. 1, one end of mounting bracket 13 is connected on peripheral injector nozzles 4, the other end of mounting bracket 13 is towards flow guide sleeve
5 direction extension, the first paragraph 61 of water conservancy diversion bent plate 6 are arranged in mounting bracket 13.It is understood that flow guide sleeve 5 and periphery
A part of air-flow in space between nozzle 4 passes through mounting bracket 13 on the front side of water conservancy diversion bent plate 6 (right side as shown in Figure 1)
Into the first outer space 91, another part air-flow in the space between flow guide sleeve 5 and peripheral injector nozzles 4 is in water conservancy diversion bent plate 6
Rear side (left side as shown in Figure 1) enters the second outer space 92.
In certain embodiments, looked up from the axle of flow guide sleeve 5, water conservancy diversion bent plate 6 is substantially fan annular.In other words, leading
On the cross section of stream set 5, water conservancy diversion bent plate 6 generally fans annular.It is understood that neighboring and the inner rim of water conservancy diversion bent plate 6
It is arc, and the center of circle of circle where each arc is on the center line of peripheral injector nozzles 4, or the center of circle of circle where each arc
On the center line of central nozzle 3.
In certain embodiments, multiple peripheral injector nozzles 4 are evenly arranged in the circumference of muff 1.It is appreciated that
It is that central nozzle 3 is located at the center of muff 1, i.e. central nozzle 3 is coaxially disposed with muff 1, multiple periphery sprays
Mouth 4 around central nozzle 3, arrange by the uniform intervals in the circumference of muff 1.
In certain embodiments, the cross section of muff 1 is divided into region 11 one-to-one with peripheral injector nozzles 4, often
Be provided with a peripheral injector nozzles 4 in individual region 11, the radian in each region 11 is θ 1, the two-end-point of the neighboring of water conservancy diversion bent plate 6 and
Angle between two lines at the center of muff 1 is θ 2, and wherein θ 2 is the 1/2~1/3 of θ 1.By setting above-mentioned shape
The water conservancy diversion bent plate of the fan annular of formula, can reduce the flow error in each space in peripheral injector nozzles, improve in peripheral injector nozzles and flow
Measure uneven phenomenon.
In certain embodiments, corresponded each other between water conservancy diversion bent plate 6, pod apertures 8 and peripheral injector nozzles 4.In other words, lead
Stream bent plate 6 and pod apertures 8 be respectively provided with it is multiple, each other one between multiple peripheral injector nozzles 4, multiple pod apertures 8 and multiple water conservancy diversion bent plates 6
One correspondence, i.e., each peripheral injector nozzles 4 correspond to a water conservancy diversion bent plate 6 and a pod apertures 8, to improve drainage effect, effectively drop
Low pressure loss.
In certain embodiments, the front face of water conservancy diversion bent plate 6 is provided with the dividing plate (not shown) extended forward.More enter
One step, dividing plate is connected between the first paragraph 61 of water conservancy diversion bent plate 6 and second segment 62 and extended forward, to segmentation and diversion bent plate
5 spaces surrounded, it is further balanced outer so as to effectively solve the asymmetric problem of flowing caused by miscellaneous whirlpool during air current flow
Enclose the flow of different spaces in nozzle 4.It is understood that dividing plate can in the circumference of flow guide sleeve 5 with burner front side
The blade of the cyclone on (right side as shown in Figure 1) is corresponding, to improve the mixing effect of air and fuel.
In certain embodiments, the rear end (left end as shown in Figure 1) of muff 1 is provided with end cap 12, to close
The left end of muff 1, peripheral injector nozzles 4 and central nozzle 3 are each passed through end cap 12 and stretched into muff 1.It can manage
Solution, peripheral injector nozzles 4 and central nozzle 3 connect with burner inner liner 2 respectively.
Burner below with reference to Fig. 1, Fig. 2 and Fig. 3 description according to the gas turbine of the specific embodiment of the invention.
As Figure 1-3, muff 1, burner inner liner 2, center are included according to the burner of the gas turbine of the present invention
Nozzle 3, multiple peripheral injector nozzles 4, flow guide sleeve 5, water conservancy diversion bent plate 6 and end cap 12.Muff 1, burner inner liner 2, the and of central nozzle 3
Flow guide sleeve 5 is coaxially disposed, and the cross section of muff 1, burner inner liner 2 and flow guide sleeve 5 is annular.
Burner inner liner 2 is located in muff 1 and is diametrically spaced apart with muff 1, so that air enters.
Central nozzle 3 is located in muff 1 and positioned at the center of muff 1, in order to be sprayed into burner inner liner 2
Penetrate fuel.
Multiple peripheral injector nozzles 4 be located in muff 1 and around central nozzle 3 in the circumference of muff 1
Even arranged for interval, such as shown in Fig. 3, peripheral injector nozzles 4 are 8, and 8 peripheral injector nozzles 4 surround the central nozzle 3 at center in circumference
Upper uniform intervals arrangement, in order to the mixture of spray fuel or fuel and air into burner inner liner 2.
The left end of muff 1 is provided with end cap 12, to the left end of closed chamber's outer barrel 1, peripheral injector nozzles 4 and center
Nozzle 3 is each passed through end cap 12 and stretches into muff 1 and connected with burner inner liner 2.
Flow guide sleeve 5 is located in muff 1 and is connected with the left end of burner inner liner 2 together with so as to burner inner liner 2 and flow guide sleeve 5
Circular passage 7 is formed between muff 4, the inner side of flow guide sleeve 5 is multiple peripheral injector nozzles 4, and flow guide sleeve 5 is provided with difference
Multiple pod apertures 8 and corresponded with peripheral injector nozzles 4.It is understood that flow guide sleeve 5 is spaced apart with end cap 12, i.e. flow guide sleeve 5
Left end and end cap 12 between leave space, so that the partial air in circular passage 7 enters peripheral injector nozzles 4 by the space
In central nozzle 3.
Water conservancy diversion bent plate 6 is multiple, and water conservancy diversion bent plate 6, pod apertures 8 and peripheral injector nozzles 4 correspond, and water conservancy diversion bent plate 6, which is located at, leads
Extended on the left of discharge orifice 8 and towards the general U-shape of right opening, the first paragraph 61 of water conservancy diversion bent plate 6 between flow guide sleeve 5 and peripheral injector nozzles 4
Space in, and the first paragraph 61 of water conservancy diversion bent plate 6 is installed on the peripheral injector nozzles 4 by mounting bracket 13, by flow guide sleeve 5
Space between peripheral injector nozzles 4 is divided into outer subspace and interior subspace.The second segment 62 of water conservancy diversion bent plate 6 extends in peripheral injector nozzles
4 is interior and peripherally nozzle 4 axially extending, and outer space 9 is divided into the He of the first outer space 91 in the radial direction of peripheral injector nozzles 9
Second outer space 92.
Looked up from the axle of flow guide sleeve 5, as shown in figure 3, water conservancy diversion bent plate 6 is substantially fan annular.It is understood that water conservancy diversion
The neighboring of bent plate 6 and inner rim are arc, and the center of circle of circle where each arc is on the center line of peripheral injector nozzles 4, or
The center of circle of circle is on the center line of central nozzle 3 where each arc of person.
The space that a part of air-flow in circular passage 7 enters between flow guide sleeve 5 and peripheral injector nozzles 4 through pod apertures 8, annular
Another part air-flow in passage 7 enters in inner space 10 and/or central nozzle 3 in peripheral injector nozzles 7.Flow guide sleeve 5 with it is outer
The right side for enclosing a part of air-flow from water conservancy diversion bent plate 6 in the space between nozzle 4 is guided to the first outside sky in peripheral injector nozzles 4
Between 91, the left side of another part air-flow from water conservancy diversion bent plate 6 in the space between flow guide sleeve 5 and peripheral injector nozzles 4 is guided to periphery
Second outer space 92 of nozzle 4.
The cross section of muff 1 is divided into region 11 one-to-one with peripheral injector nozzles 4, and one is provided with each region 11
Individual peripheral injector nozzles 4, the radian in each region 11 is θ 1, the two-end-point of the neighboring of water conservancy diversion bent plate 6 and the center of muff 1
Two lines between angle be θ 2, wherein θ 2 be θ 1 1/2~1/3.By the water conservancy diversion for the fan annular for setting above-mentioned form
Bent plate, the flow error in each space in peripheral injector nozzles can be reduced, improve the even phenomenon of mass flow discrepancy in peripheral injector nozzles.
The gas turbine of embodiment according to a further aspect of the invention, gas turbine include the burner of above-described embodiment.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. burner of gas turbine, it is characterised in that including：Muff；Burner inner liner, the burner inner liner are located in the muff；Central nozzle, the central nozzle are located at center position in the muff；Multiple peripheral injector nozzles, multiple peripheral injector nozzles are located in the muff and surround central nozzle interval cloth Put；Flow guide sleeve, the water conservancy diversion are set in the muff and are connected with the rear end of the burner inner liner so as to the flame Circular passage is formed between cylinder and the flow guide sleeve and the muff, the water conservancy diversion is set in multiple peripheral injector nozzles Outside and it is spaced apart with each peripheral injector nozzles, the flow guide sleeve is provided with water conservancy diversion corresponding with the peripheral injector nozzles respectively Hole, the sky that a part of air-flow in the circular passage enters between the flow guide sleeve and the peripheral injector nozzles from the pod apertures Between, the inner side that another part air-flow in the circular passage is flowed into the peripheral injector nozzles by the rear side of the flow guide sleeve is empty Between and/or the central nozzle in；Water conservancy diversion bent plate, the water conservancy diversion bent plate are located in the outside wall surface of the peripheral injector nozzles and on rear side of the pod apertures, are used for By the front side of a part of air-flow in the space between the flow guide sleeve and the peripheral injector nozzles from the water conservancy diversion bent plate guide to The first outer space in the peripheral injector nozzles and will be another in the space between the flow guide sleeve and the peripheral injector nozzles The rear side of fraction from the water conservancy diversion bent plate is guided to the second outer space of the peripheral injector nozzles.
- 2. the burner of gas turbine according to claim 1, it is characterised in that the water conservancy diversion bent plate is towards open front General U-shape.
- 3. the burner of gas turbine according to claim 2, it is characterised in that the first paragraph extension of the water conservancy diversion bent plate Space between the flow guide sleeve and the peripheral injector nozzles, the second segment of the water conservancy diversion bent plate is towards the peripheral injector nozzles downstream Extension.
- 4. the burner of gas turbine according to claim 2, it is characterised in that the first paragraph of the water conservancy diversion bent plate passes through Mounting bracket is installed on the peripheral injector nozzles.
- 5. the burner of gas turbine according to claim 2, it is characterised in that looked up from the axle of the flow guide sleeve, The water conservancy diversion bent plate is substantially fan annular.
- 6. the burner of gas turbine according to claim 1, it is characterised in that the cross section of the muff point For with the one-to-one region of the peripheral injector nozzles, be provided with the peripheral injector nozzles, the radian in each region in each region For θ 1, the angle between the two-end-point of the neighboring of the water conservancy diversion bent plate and two lines at the center of the muff is θ 2, wherein θ 2 are the 1/2~1/3 of θ 1.
- 7. the burner of gas turbine according to claim 1, it is characterised in that the water conservancy diversion bent plate, the pod apertures Corresponded each other between the peripheral injector nozzles.
- 8. the burner of the gas turbine according to any one of claim 1-8, it is characterised in that the water conservancy diversion bent plate Front face is provided with the dividing plate extended forward.
- 9. the burner of the gas turbine according to any one of claim 1-8, it is characterised in that the muff Rear end be provided with end cap, the peripheral injector nozzles and the central nozzle are stretched into the muff through the end cap.
- 10. a kind of gas turbine, it is characterised in that include the burner of the gas turbine as any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791240.1A CN107676815B (en) | 2017-09-05 | 2017-09-05 | Combustor and gas turbine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710791240.1A CN107676815B (en) | 2017-09-05 | 2017-09-05 | Combustor and gas turbine with same |
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| Publication Number | Publication Date |
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| CN107676815A true CN107676815A (en) | 2018-02-09 |
| CN107676815B CN107676815B (en) | 2020-03-10 |
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| CN201710791240.1A Active CN107676815B (en) | 2017-09-05 | 2017-09-05 | Combustor and gas turbine with same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197764A (en) * | 2018-11-20 | 2020-05-26 | 通用电气公司 | Annular concentric fuel nozzle assembly |
| CN111486475A (en) * | 2019-01-25 | 2020-08-04 | 三菱日立电力系统株式会社 | Gas turbine combustor and gas turbine |
| CN111911959A (en) * | 2019-05-09 | 2020-11-10 | 通用电气公司 | Combustor premixer assembly including an inlet lip |
| CN113586245A (en) * | 2021-08-31 | 2021-11-02 | 中国联合重型燃气轮机技术有限公司 | Gas turbine's strutting arrangement and gas turbine |
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| CN101029741A (en) * | 2006-02-27 | 2007-09-05 | 三菱重工业株式会社 | Combustor |
| CN203880748U (en) * | 2012-10-30 | 2014-10-15 | 通用电气公司 | Combustor |
| CN106287813A (en) * | 2015-06-26 | 2017-01-04 | 三菱日立电力系统株式会社 | Gas turbine burner |
| CN106524222A (en) * | 2015-09-10 | 2017-03-22 | 三菱日立电力系统株式会社 | Gas turbine combustor |
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| CN113586245A (en) * | 2021-08-31 | 2021-11-02 | 中国联合重型燃气轮机技术有限公司 | Gas turbine's strutting arrangement and gas turbine |
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