CN106969381A - Adjustable cyclone coupling spray nozzle - Google Patents
Adjustable cyclone coupling spray nozzle Download PDFInfo
- Publication number
- CN106969381A CN106969381A CN201710188340.5A CN201710188340A CN106969381A CN 106969381 A CN106969381 A CN 106969381A CN 201710188340 A CN201710188340 A CN 201710188340A CN 106969381 A CN106969381 A CN 106969381A
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- China
- Prior art keywords
- adjustable
- base sleeve
- hole
- screwed hole
- spray nozzle
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- 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
- 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
- F23R3/38—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising rotary fuel injection means
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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)
- Cyclones (AREA)
Abstract
The invention discloses a kind of adjustable cyclone coupling spray nozzle, base sleeve, swirl atomizer, adjustable bushing, retainer, micromachine are included；Swirl atomizer is by being threaded into base sleeve；Two adjustable bushings are symmetrically enclosed on outside base sleeve, and adjustable tongue piece is engaged with the banking stop on base sleeve；Adjustable bushing is placed in the spacing slot of retainer；Micromachine is symmetrically distributed in the both sides of retainer, and motor shaft is threadedly coupled with adjustable bushing；Base sleeve is fixed on retainer by flange；The adjustable cyclone coupling spray nozzle that the present invention is provided by the adjustment of tongue piece length, can produce the mist of oil of the different operating mode lower combustion chamber flow fields of matching aero-engine, improve a point extinguishment characteristics, improve efficiency of combustion, reduce pollutant emission.
Description
Technical field
The present invention relates to aeroengine combustor buring room nozzle field, specifically a kind of adjustable cyclone coupling spray nozzle.
Background technology
Since 21 century, the development of aero-gas turbine combustion chamber shows three developing directions, and first is low pollution emission
Combustion chamber, second is high thrust-weight ratio high temperature rise combustor, and the 3rd is the assembly power combustion chamber for having wider range, and this is all urgent
Need to improve combustion technology to realize this target.And the key for improving combustion technology is sweet mountain fuel-air matching effect, improve
Oil gas blends efficiency.The mist of oil of conventional rotarytype injector and pneumatic nozzle is it is difficult to and in some special combustion chambers at present
Flow field structure match, so as to cause the deterioration of an extinguishment characteristics, the increase of reduction and the pollutant emission of efficiency of combustion.Gas
Rotation coupling spray nozzle can solve these problems to a certain extent, and combustion gas and air phase can be realized in some special combustion chambers
Matching.But, under the different operating modes of engine, different, the nonadjustable cyclone of mist of oil matched from burning Indoor Flow Field
The mist of oil of coupling spray nozzle is difficult to adapt to the mist of oil required under Different Work Condition of Engine, so that the burning of combustion chamber can be reduced
Efficiency, increase discharge.
The content of the invention
The technical problems to be solved by the invention are to be directed to defect involved in background technology there is provided one kind by changing
Tongue piece shape, changes mist of oil to adapt to Different Work Condition of Engine lower combustion chamber flow field, improves combustion efficiency of combustion chamber, reduction row
The cyclone coupling spray nozzle put.
The present invention includes including base sleeve, swirl atomizer, adjustable bushing, retainer and micromachine.
Described base sleeve center is provided with the first screwed hole base sleeve run through and is provided with the end face of the first screwed hole
One end is provided with banking stop, flange provided with the flange other end and is provided with some flange positioning holes.
Described swirl atomizer outer surface is provided with the first external screw thread coordinated with the first screwed hole, and swirl atomizer passes through the
One screws into the first screwed hole of base sleeve, is left between the first screwed hole and the first external screw thread into air cleft, centrifugation
Head forms one section of cavity in the top of nozzle and base sleeve, and cavity and air inlet slit are into gas passage.
Described base sleeve both sides are cased with a pair of structure identical adjustable bushings, and adjustable bushing side wall is provided with convex
Platform, boss center is provided with the second screwed hole, and adjustable bushing one end is provided with the cunning for being provided with and coordinating with banking stop on tongue piece, tongue piece
Groove, chute limits adjustable bushing along base sleeve side wall transverse shifting by banking stop, realizes the elongation of equivalent tongue piece length
Or shorten, so as to change mist of oil, the mist of oil of the different operating mode lower combustion chamber flow fields of matching aero-engine is produced, is carried
High point extinguishment characteristics.
Described retainer center is provided with positioning through hole and the 3rd screwed hole, the shape and quantity and base of the 3rd screwed hole
Flange positioning hole in plinth sleeve on flange coordinates, and positioning through hole is cased with the outside of the base sleeve of adjustable bushing with both sides
Shape size all same, positioning through hole both sides are provided with the first side opening being engaged with micromachine shape size and the second side
A micromachine is mounted in hole, each side opening.
Described micromachine includes and is provided with the second external screw thread, the second outer spiral shell on motor body and output shaft, output shaft
Line is closed with the second corresponding threaded holes in adjustable bushing.
Described base sleeve profile is cuboid, and adjustable bushing agent structure is " U " word structure of dustpan shape, chute
For two symmetrical " u "-shaped grooves, banking stop, which is inserted in " u "-shaped groove, limits adjustable bushing movement.
Described flange positioning hole is bellmouth, counterbore or circular hole, and flange positioning hole passes through the on screw and retainer
Three screwed holes are fixed.
The first described side opening and the second side opening are circular hole, and the motor body of micromachine is cylinder.
Beneficial effect of the present invention is：
1. with traditional swirl atomizer, pneumatic nozzle is compared, the mist of oil of adjustable cyclone coupling spray nozzle can adapt to one
A little special construction burning Indoor Flow Fields, improve point extinguishment characteristics, improve efficiency of combustion, reduce disposal of pollutants.
2. compared with common cyclone coupling spray nozzle, the mist of oil of adjustable cyclone coupling spray nozzle can adapt to engine
Different operating mode lower combustion chamber flow field, improves point extinguishment characteristics, improves efficiency of combustion, reduce disposal of pollutants.
Brief description of the drawings
Fig. 1 is the explosive view for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 2 is the structural representation of the base sleeve for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 3 is the structural representation of the swirl atomizer for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 4 is the structural representation of the adjustable bushing for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 5 is the structural representation of the retainer for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 6 is the structural representation of the micromachine for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 7 is the structural representation for the adjustable cyclone coupling spray nozzle that embodiment of the present invention is provided.
Fig. 8 is the adjustable cyclone coupling spray nozzle tongue piece adjustment schematic diagram that embodiment of the present invention is provided.
Fig. 9 be embodiment of the present invention provide adjustable cyclone coupling spray nozzle base sleeve, swirl atomizer it is adjustable,
Bushing connection diagram.
In figure, the adjustable cyclone coupling spray nozzles of 100-, 10- base sleeves, 11- enter air cleft, 12- banking stops, the spiral shells of 13- first
Pit, 14- flanges, 14a- flanges positioning hole, 20- swirl atomizers, the external screw threads of 21- first, 30- adjustable bushings, 31- can adjust
Formula tongue piece, 31a- chutes, 32- boss, the screwed holes of 33- second；40- retainers, 41- positioning through hole, the side openings of 42- first, 43-
Two side openings, the screwed holes of 44- the 3rd；50- micromachines, 51- motor bodies, 52- output shafts, the external screw threads of 52a- second.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
The invention provides a kind of adjustable cyclone coupling spray nozzle 100, explosive view as shown in figure 1, mounted configuration such as Fig. 7
It is shown, including include base sleeve 10, swirl atomizer 20, adjustable bushing 30, retainer 40 and micromachine 50.
Described base sleeve 10 is as shown in Fig. 2 center is provided with the first screwed hole 13 run through, and base sleeve 10 is provided with the
One end is provided with flange 14 on the end face of one screwed hole 13, and the other end, which is provided with banking stop 12, flange 14, is provided with some flange positioning
Hole 14a.
Described swirl atomizer 20 as shown in figure 3, outer surface is provided with the first external screw thread 21 coordinated with the first screwed hole 13,
Swirl atomizer 20 is screwed in by the first external screw thread 21 in first screwed hole 13 of base sleeve 10, the first screwed hole and the first outer spiral shell
Left between line 21 into air cleft 11, top and the head in base sleeve 10 of swirl atomizer 20 form one section of cavity, and cavity is with entering
The formation gas passage of air cleft 11, as shown in Figure 9.
The described both sides of base sleeve 10 are cased with a pair of structure identical adjustable bushings 30, as shown in figure 4, adjustable lining
Cover 30 side walls and be provided with boss 32, the center of boss 32 is provided with the second screwed hole 33, and the one end of adjustable bushing 30 is provided with tongue piece 31, tongue piece
The chute 31a coordinated with banking stop 12 is provided with 31, chute 31a limits adjustable bushing 30 along base sleeve by banking stop 12
10 side wall transverse shiftings, as shown in figure 8, realizing elongating or shortening for equivalent tongue piece length, so as to change mist of oil, are produced
The mist of oil of the different operating mode lower combustion chamber flow fields of aero-engine is matched, point extinguishment characteristics are improved.
Described retainer 40 is as shown in figure 5, center is provided with the screwed hole 44 of positioning through hole 41 and the 3rd, the 3rd screwed hole
44 shape and quantity coordinates with the flange positioning hole 14a on flange 14 in base sleeve 10, and positioning through hole 41 is cased with both sides
The shape size all same of the outside of the base sleeve 10 of adjustable bushing 30, the both sides of positioning through hole 41 are provided with and micromachine
A micromachine 50 is mounted in the first side opening 42 and the second side opening 43 that 50 shape sizes are engaged, each side opening.
Described micromachine 50 is as shown in fig. 6, comprising motor body 51 and output shaft 52, is provided with output shaft 52
Two external screw thread 52a, the second external screw thread 52a are engaged with the second screwed hole 33 in adjustable bushing 30.
The described profile of base sleeve 10 is cuboid, and the structure of adjustable bushing main body 30 is " U " word structure of dustpan shape,
Chute 31a is two symmetrical " u "-shaped grooves, and banking stop 12 inserts restriction adjustable bushing 30 in " u "-shaped groove and moved.
Described flange positioning hole 14a is bellmouth, counterbore or circular hole, and flange positioning hole 14a passes through screw and retainer
The 3rd screwed hole 44 on 40 is fixed.
The first described side opening 42 and the second side opening 43 are circular hole, and the motor body 51 of micromachine 50 is cylinder.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair
Bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in the present invention
Protection domain within.
Claims (4)
1. a kind of adjustable cyclone coupling spray nozzle, it is characterised in that：Include base sleeve（10）, swirl atomizer（20）, it is adjustable
Bushing（30）, retainer（40）And micromachine（50）；
Described base sleeve（10）Center is provided with the first screwed hole run through（13）, base sleeve（10）It is provided with the first screwed hole
（13）End face on one end be provided with flange（14）, the other end is provided with banking stop（12）, flange（14）On be provided with the positioning of some flanges
Hole（14a）；
Described swirl atomizer（20）Outer surface is provided with and the first screwed hole（13）The first external screw thread coordinated（21）, centrifugation spray
Mouth（20）Pass through the first external screw thread（21）Screw in base sleeve（10）The first screwed hole（13）In, outside the first screwed hole and first
Screw thread（21）Between leave into air cleft（11）, swirl atomizer（20）Top and base sleeve（10）Interior head forms one section of sky
Chamber, cavity is with entering air cleft（11）Form gas passage；
Described base sleeve（10）Both sides are cased with a pair of structure identical adjustable bushings（30）, adjustable bushing（30）Side wall
It is provided with boss（32）, boss（32）Center is provided with the second screwed hole（33）, adjustable bushing（30）One end is provided with tongue piece（31）, tongue
Piece（31）On be provided with and banking stop（12）The chute of cooperation（31a）, chute（31a）Pass through banking stop（12）Limit adjustable bushing
（30）Along base sleeve（10）Side wall transverse shifting；
Described retainer（40）Center is provided with positioning through hole（41）With the 3rd screwed hole（44）, the 3rd screwed hole（44）Shape
Shape and quantity and base sleeve（10）Middle flange（14）On flange positioning hole（14a）Coordinate, positioning through hole（41）Covered with both sides
There is adjustable bushing（30）Base sleeve（10）Outside shape size all same, positioning through hole（41）Both sides be provided with
Micromachine（50）The first side opening that shape size is engaged（42）With the second side opening（43）, one is mounted in each side opening
Micromachine（50）；
Described micromachine（50）Include motor body（51）And output shaft（52）, output shaft（52）On be provided with the second outer spiral shell
Line（52a）, the second external screw thread（52a）With adjustable bushing（30）In the second screwed hole（33）It is engaged.
2. adjustable cyclone coupling spray nozzle according to claim 1, it is characterised in that：Described base sleeve（10）Profile
For cuboid, adjustable bushing main body（30）Structure is " U " word structure of dustpan shape, chute（31a）For symmetrical two
" u "-shaped groove, banking stop（12）Adjustable bushing is limited in insertion " u "-shaped groove（30）It is mobile.
3. adjustable cyclone coupling spray nozzle according to claim 1, it is characterised in that：Described flange positioning hole（14a）
For bellmouth, counterbore or circular hole, flange positioning hole（14a）Pass through screw and retainer（40）On the 3rd screwed hole（44）Gu
It is fixed.
4. adjustable cyclone coupling spray nozzle according to claim 1, it is characterised in that：The first described side opening（42）With
Two side openings（43）For circular hole, micromachine（50）Motor body（51）For cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188340.5A CN106969381B (en) | 2017-03-27 | 2017-03-27 | Adjustable cyclone coupling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188340.5A CN106969381B (en) | 2017-03-27 | 2017-03-27 | Adjustable cyclone coupling nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969381A true CN106969381A (en) | 2017-07-21 |
| CN106969381B CN106969381B (en) | 2023-09-26 |
Family
ID=59335475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710188340.5A Active CN106969381B (en) | 2017-03-27 | 2017-03-27 | Adjustable cyclone coupling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106969381B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588434A (en) * | 2017-09-25 | 2018-01-16 | 上海泛智能源装备有限公司 | A kind of spray cooling structure and combustor test device |
| CN109099461A (en) * | 2018-08-03 | 2018-12-28 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185924A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185923A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | A kind of chamber head part device, combustion chamber and gas turbine |
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| GB685068A (en) * | 1950-03-21 | 1952-12-31 | Shell Refining & Marketing Co | Combustion chamber for gas turbines |
| US3887135A (en) * | 1973-11-15 | 1975-06-03 | Shigetake Tamai | Gas-atomizing nozzle by spirally rotating gas stream |
| US6289676B1 (en) * | 1998-06-26 | 2001-09-18 | Pratt & Whitney Canada Corp. | Simplex and duplex injector having primary and secondary annular lud channels and primary and secondary lud nozzles |
| CN103047682A (en) * | 2012-12-27 | 2013-04-17 | 中国燃气涡轮研究院 | Partial pre-mixing and pre-evaporation burning chamber with prefilm type nozzle |
| CN105823086A (en) * | 2016-03-25 | 2016-08-03 | 南京航空航天大学 | Cyclonic coupling nozzle |
| CN206973618U (en) * | 2017-03-27 | 2018-02-06 | 南京航空航天大学 | Adjustable cyclone coupling spray nozzle |
-
2017
- 2017-03-27 CN CN201710188340.5A patent/CN106969381B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685068A (en) * | 1950-03-21 | 1952-12-31 | Shell Refining & Marketing Co | Combustion chamber for gas turbines |
| US3887135A (en) * | 1973-11-15 | 1975-06-03 | Shigetake Tamai | Gas-atomizing nozzle by spirally rotating gas stream |
| US6289676B1 (en) * | 1998-06-26 | 2001-09-18 | Pratt & Whitney Canada Corp. | Simplex and duplex injector having primary and secondary annular lud channels and primary and secondary lud nozzles |
| CN103047682A (en) * | 2012-12-27 | 2013-04-17 | 中国燃气涡轮研究院 | Partial pre-mixing and pre-evaporation burning chamber with prefilm type nozzle |
| CN105823086A (en) * | 2016-03-25 | 2016-08-03 | 南京航空航天大学 | Cyclonic coupling nozzle |
| CN206973618U (en) * | 2017-03-27 | 2018-02-06 | 南京航空航天大学 | Adjustable cyclone coupling spray nozzle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588434A (en) * | 2017-09-25 | 2018-01-16 | 上海泛智能源装备有限公司 | A kind of spray cooling structure and combustor test device |
| CN109099461A (en) * | 2018-08-03 | 2018-12-28 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185924A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | Head device, combustion chamber and the gas turbine of combustion chamber |
| CN109185923A (en) * | 2018-08-03 | 2019-01-11 | 新奥能源动力科技（上海）有限公司 | A kind of chamber head part device, combustion chamber and gas turbine |
| CN109099461B (en) * | 2018-08-03 | 2023-08-15 | 新奥能源动力科技（上海）有限公司 | Combustion chamber head device, combustion chamber and gas turbine |
| CN109185923B (en) * | 2018-08-03 | 2023-09-12 | 新奥能源动力科技（上海）有限公司 | Combustion chamber head device, combustion chamber and gas turbine |
| CN109185924B (en) * | 2018-08-03 | 2023-09-12 | 新奥能源动力科技（上海）有限公司 | Combustion chamber head device, combustion chamber and gas turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106969381B (en) | 2023-09-26 |
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