CN209424155U - A kind of aeroengine thrust augmentation pilot jet flusher - Google Patents

A kind of aeroengine thrust augmentation pilot jet flusher Download PDF

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Publication number
CN209424155U
CN209424155U CN201821883607.9U CN201821883607U CN209424155U CN 209424155 U CN209424155 U CN 209424155U CN 201821883607 U CN201821883607 U CN 201821883607U CN 209424155 U CN209424155 U CN 209424155U
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China
Prior art keywords
tube
rose box
pilot jet
thrust augmentation
flushing
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CN201821883607.9U
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Chinese (zh)
Inventor
陈伟
米鹏涛
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SINTEK AVIATION TECHNOLOGIES Co Ltd
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SINTEK AVIATION TECHNOLOGIES Co Ltd
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Abstract

The utility model discloses a kind of aeroengine thrust augmentation pilot jet flushers in engine nozzle douching technique field, including rinsing position-limiting tube and connection seal pipe, outer wall is provided with external screw thread on the left of the flushing position-limiting tube, the flushing position-limiting tube right end is communicated with flushing outlet tube, the middle section for rinsing outlet tube is provided with check valve, Rose Box is provided on the right side of the flushing outlet tube, and the right end for rinsing outlet tube runs through the left side wall of Rose Box, filter screen is fixedly connected in the middle part of the filtering box cavity, recovery tube is provided on the right side of the Rose Box, the utility model has the function that high-efficiency rinsing is carried out to aeroengine thrust augmentation pilot jet, make device that there is good leakproofness in flooding nozzle by rinsing position-limiting tube, to largely improve the flush efficiency and stability of device, device simultaneously Kerosene after cleaning action can be filtered recovery processing, environment can be protected, also avoid the waste of resource.

Description

A kind of aeroengine thrust augmentation pilot jet flusher
Technical field
The utility model relates to engine nozzle douching technique field, specially a kind of aeroengine thrust augmentation pilot jet Flusher.
Background technique
Reinforcing pilot jet is used on the Afterburner fuel manifold in aero-engine, it has more special structure special Sign, it is made of spout, swirler, nozzle housing, nozzle housing be two coaxial line cylindrical bodies be formed by connecting, include thick section and Thin segment does rotary motion rapidly its working principle is that fuel oil enters swirler from tangential hole in swirler, and fuel oil is from spout After ejection, because of the effect by inertia force and air impact, countless tiny oil droplets are broken into, to obtain good atomization effect Fruit.The variation of engine required oil mass when working under different rotating speeds is very big, fuel delivery when big revolving speed, generally than small revolving speed when Fuel delivery it is more than ten to tens times big, in order to guarantee atomization quality, devise fuel oil minimum pressure before test, spout must be tiny And it is uniform, the phenomenon that blocking can not occur.
Fuel manifold nozzle operation position is in the annular flame tube bottom of combustion chamber, due to the quality of fuel oil and the work of high temperature To make environment, works long hours and be readily formed carbon distribution, these carbon distributions will cause the blocking of fuel nozzle, after spray nozzle clogging, fuel oil Atomization quality can decline, as a result will lead to fuel oil and be unable to fully burn, reduce the overall performance of engine, furthermore spray can be changed Corners of the mouth degree causes linear jet stream, leads to localized hyperthermia, and the turbo blade behind ablation combustion chamber is serious to cause flight thing Therefore when reinforcing pilot jet is blocked, the method for taking backwash fuel manifold is excluded.
Such as number of patent application is a kind of aeroengine thrust augmentation pilot jet flusher of CN201720914862.4, Its main contents are as follows: a kind of aeroengine thrust augmentation pilot jet flusher, including be sequentially communicated inlet connector, oil transportation Hose and flowline connection to subsea, flowline connection to subsea are connected to fixture, and fixture includes swagelok and supports bar, and swagelok is equipped with Place the groove of nozzle;The inside for supporting bar is equipped with one end connection flowline connection to subsea that bar is supported through the through-hole for supporting bar, out Oil connection is equipped with limitation and supports the mobile locating part of bar, supports the bar other end and is located in groove, and supports with one end of nozzle It holds, the other end through-going recess of nozzle, the blocking platform supported with the thick section of nozzle is equipped in groove, through-hole is connected to nozzle.Though The flusher of the right device when in use, without taking out nozzle from jet pipe, is placed the nozzle into wherein by groove, The mobile bar that supports can be completed clamping, when taking-up, it is only necessary to which bar will be supported by, which removing locating part, loosens, and nozzle is taken by groove Out, but the device to the fixation of nozzle be only between tube and pipe it is mutual reinforcing dock so that the flusher The sealing performance poor flush efficiency lower time for making nozzle during being rinsed to nozzle is longer, and the device Recycling kerosene that can not be effective and reasonable after being cleaned using kerosene to nozzle, will cause the biggish wasting of resources.
Based on this, the utility model devises a kind of aeroengine thrust augmentation pilot jet flusher, above-mentioned to solve Problem.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of aeroengine thrust augmentation pilot jet flusher The device proposed in background technique to the fixation of nozzle be only between tube and pipe it is mutual reinforcing dock so that the flushing Sealing performance of device during being rinsed to the nozzle poor flush efficiency lower time for making nozzle is longer, and should Device can not be effective and reasonable after being cleaned using kerosene to nozzle recycling kerosene, will cause asking for the biggish wasting of resources Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of aeroengine thrust augmentation pilot jet Flusher, including position-limiting tube and connection seal pipe are rinsed, outer wall is provided with external screw thread, the punching on the left of the flushing position-limiting tube It washes position-limiting tube right end and is communicated with flushing outlet tube, the middle section for rinsing outlet tube is provided with check valve, the flushing outlet tube The right side right end that is provided with Rose Box, and rinses outlet tube run through the left side wall of Rose Box, consolidate in the middle part of the filtering box cavity Surely it is connected with filter screen, recovery tube is provided on the right side of the Rose Box, and the right side wall of Rose Box is run through in the left end of recovery tube, The inner wall of the connection seal pipe is provided with internal screw thread, is connected with rotary joint on the left of the connection seal pipe, the rotation connects Head left side is connected with oil hose, and the left end of the oil hose is connected with inlet connector, and the flushing limit tube cavity is put It is equipped with nozzle to be cleaned.
Preferably, the nozzle left end to be cleaned outer diameter, which is equal to, rinses position-limiting tube left end inner diameter, described to clear It washes nozzle right end outer diameter and is less than flushing position-limiting tube right end inner diameter.
Preferably, the recovery tube right end is connected with extraneous kerosene recycling bins.
Preferably, the inlet connector left end is connected with extraneous flow tester.
Preferably, the recovery tube left end is located at Rose Box intracavity bottom.
Preferably, the connection sealing pipe outer wall is provided with non-slip texture.
Preferably, the flushing outlet tube right end is located at the filtering box cavity upper left corner.
Compared with prior art, the utility model has the beneficial effects that the utility model has to aeroengine thrust augmentation Pilot jet carries out the function of high-efficiency rinsing, rinses position-limiting tube by setting and makes device in flooding nozzle with good close Feng Xing, to largely improve the flush efficiency and stability of device, while device can be by the coal after cleaning action Oil is filtered recovery processing, can protect environment, also avoids the waste of resource.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is that the utility model rinses position-limiting tube cross-sectional view.
In attached drawing, parts list represented by the reference numerals are as follows:
1- rinses position-limiting tube, 2- external screw thread, and 3- rinses outlet tube, 4- check valve, 5- Rose Box, 6- filter screen, 7- recycling Pipe, 8- connection seal pipe, 9- internal screw thread, 10- rotary joint, 11- oil hose, 12- inlet connector, 13- nozzle to be cleaned.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of aeroengine thrust augmentation pilot jet flushing Device, including position-limiting tube 1 and connection seal pipe 8 are rinsed, the 1 left side outer wall of flushing position-limiting tube is provided with external screw thread 2, the punching It washes 1 right end of position-limiting tube and is communicated with flushing outlet tube 3, the middle section for rinsing outlet tube 3 is provided with check valve 4, described to flush out The right side of liquid pipe 3 is provided with Rose Box 5, and rinses left side wall of the right end through Rose Box 5 of outlet tube 3, in the Rose Box 5 It is fixedly connected with filter screen 6 in the middle part of chamber, the right side of the Rose Box 5 is provided with recovery tube 7, and the left end of recovery tube 7 penetrates through The inner wall of the right side wall of filter box 5, the connection seal pipe 8 is provided with internal screw thread 9, is connected with rotation on the left of the connection seal pipe 8 Adapter 10 is connected with oil hose 11 on the left of the rotary joint 10, and the left end of the oil hose 11 is connected with oil inlet pipe Connector 12,1 inner cavity of flushing position-limiting tube are placed with nozzle 13 to be cleaned.
Wherein, the 13 left end outer diameter of nozzle to be cleaned, which is equal to, rinses 1 left end inner diameter of position-limiting tube, described to clear It washes 13 right end outer diameter of nozzle and is less than flushing 1 right end inner diameter of position-limiting tube, enable and rinse the stable fixation of position-limiting tube 1 Firmly nozzle 13 to be cleaned is to clean it, and 7 right end of recovery tube is connected with extraneous kerosene recycling bins, so that device Has the function of kerosene recycling, 12 left end of inlet connector is connected with extraneous flow tester, the recovery tube 7 Left end is located at 5 intracavity bottom of Rose Box, and filter screen 6 effectively filters kerosene, 8 outer wall of connection seal pipe It is provided with non-slip texture, is rotatablely connected seal pipe 8 convenient for user, 3 right end of flushing outlet tube is located at 5 inner cavity of a Rose Box left side Upper angle enables filter screen 6 effectively to filter kerosene.
One concrete application of the present embodiment are as follows: nozzle 13 to be cleaned is placed in by user and is rinsed in position-limiting tube 1 Chamber is simultaneously adjusted to appropriate depth, and user will rinse the right end of the left end alignment connection seal pipe 8 of position-limiting tube 1 at this time, so that two Person is close to, and to rinse position-limiting tube 1 and the center line coincidence for connecting seal pipe 8, and user is opened using rotary joint 10 at this time Begin rotation connection seal pipe 8, so that the external screw thread 2 of the internal screw thread 9 of connection 8 inner cavity of seal pipe and flushing 1 left side outer wall of position-limiting tube Start to be threadedly coupled, constantly rotate and push connection seal pipe 8 until external screw thread 2 completely into connection 8 inner cavity of seal pipe, thus It completes connection seal pipe 8 and rinses the threaded connection of position-limiting tube 1, inlet connector 12 is connected upper flow test by user at this time The kerosene of high pressure can be poured by oil hose 11 and connection seal pipe 8 and rinse position-limiting tube 1 by device, start-up flow exerciser Nozzle to be cleaned 13 in inner cavity achievees the purpose that treat that 13 inner cavity cleaning down of washer jet is clean, and the kerosene after flushing passes through It rinses outlet tube 3 and check valve 4 enters Rose Box 5, kerosene flows under Rose Box 5 from the top of Rose Box 5 by filter screen 6 Side, which is flowed into again in recovery tube 7, enters extraneous kerosene recycling bins progress kerosene recycling, will be in kerosene by filter screen 6 when filter screen 6 The contaminant filters such as carbon distribution remove so that the kerosene being recovered to can reuse.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (7)

1. a kind of aeroengine thrust augmentation pilot jet flusher, including position-limiting tube (1) and connection seal pipe (8) are rinsed, Be characterized in that: outer wall is provided with external screw thread (2) on the left of the flushing position-limiting tube (1), and flushing position-limiting tube (1) right end is communicated with It rinses outlet tube (3), the middle section for rinsing outlet tube (3) is provided with check valve (4), the right side for rinsing outlet tube (3) The right end for being provided with Rose Box (5), and rinsing outlet tube (3) runs through the left side wall of Rose Box (5), Rose Box (5) inner cavity Middle part is fixedly connected with filter screen (6), is provided with recovery tube (7) on the right side of the Rose Box (5), and the left end of recovery tube (7) The inner wall of right side wall through Rose Box (5), connection seal pipe (8) is provided with internal screw thread (9), the connection seal pipe (8) left side is connected with rotary joint (10), is connected with oil hose (11), the oil hose on the left of the rotary joint (10) (11) left end is connected with inlet connector (12), and flushing position-limiting tube (1) inner cavity is placed with nozzle to be cleaned (13).
2. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: it is described to Washer jet (13) left end outer diameter, which is equal to, rinses position-limiting tube (1) left end inner diameter, nozzle (13) right end to be cleaned Outer diameter, which is less than, rinses position-limiting tube (1) right end inner diameter.
3. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: described time Closed tube (7) right end is connected with extraneous kerosene recycling bins.
4. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: it is described into Oil connection (12) left end is connected with extraneous flow tester.
5. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: described time Closed tube (7) left end is located at Rose Box (5) intracavity bottom.
6. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: the company It connects seal pipe (8) outer wall and is provided with non-slip texture.
7. a kind of aeroengine thrust augmentation pilot jet flusher according to claim 1, it is characterised in that: the punching It washes out liquid pipe (3) right end and is located at Rose Box (5) inner cavity upper left corner.
CN201821883607.9U 2018-11-15 2018-11-15 A kind of aeroengine thrust augmentation pilot jet flusher Active CN209424155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821883607.9U CN209424155U (en) 2018-11-15 2018-11-15 A kind of aeroengine thrust augmentation pilot jet flusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821883607.9U CN209424155U (en) 2018-11-15 2018-11-15 A kind of aeroengine thrust augmentation pilot jet flusher

Publications (1)

Publication Number Publication Date
CN209424155U true CN209424155U (en) 2019-09-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821883607.9U Active CN209424155U (en) 2018-11-15 2018-11-15 A kind of aeroengine thrust augmentation pilot jet flusher

Country Status (1)

Country Link
CN (1) CN209424155U (en)

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