CN115435337A - Device formed by matching flame stabilizer and oil injection rod - Google Patents
Device formed by matching flame stabilizer and oil injection rod Download PDFInfo
- Publication number
- CN115435337A CN115435337A CN202211061627.9A CN202211061627A CN115435337A CN 115435337 A CN115435337 A CN 115435337A CN 202211061627 A CN202211061627 A CN 202211061627A CN 115435337 A CN115435337 A CN 115435337A
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- Prior art keywords
- oil
- oil supply
- fuel
- way
- air
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- 238000002347 injection Methods 0.000 title claims abstract description 47
- 239000007924 injection Substances 0.000 title claims abstract description 47
- 239000003381 stabilizer Substances 0.000 title claims abstract description 33
- 239000000446 fuel Substances 0.000 claims abstract description 59
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 239000011796 hollow space material Substances 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 142
- 239000007921 spray Substances 0.000 claims description 35
- 239000000295 fuel oil Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000005507 spraying Methods 0.000 abstract description 5
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- F23R3/283—Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances
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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 device formed by matching a flame stabilizer and an oil injection rod, wherein an integrated air-cooled flame stabilizer is fixedly arranged on the end part of a culvert casing; an inner cone is arranged in the integrated air-cooled flame stabilizer through a rectifying plate; the outer culvert casings are positioned outside the inner culvert casings at intervals and wrap the outer culvert casings; one end of the oil spraying rod is fixedly arranged outside the outer culvert casing, the other end of the oil spraying rod extends into the rectifying plate, and an independent hollow space is arranged in the middle of the oil spraying rod to form an oil supply space assembly; the fuel injection rod is provided with the fuel injection hole assembly for fuel to enter the rectifying plate, the fuel enters from the fuel supply space assembly of the fuel injection rod, air and the fuel are mixed and heated in the rectifying plate to be quickly atomized to form an oil-gas mixture, the problem that the heated fuel is difficult to quickly form the oil-gas mixture, atomized and sprayed out to carry out secondary heating is solved, and the condition that the fuel supply of the airplane is delayed until the force is applied is avoided.
Description
Technical Field
The invention relates to a device formed by matching a flame stabilizer with an oil injection rod, and belongs to the technical field of aircraft engines.
Background
In the thrust augmentation state of an airplane, fuel oil needs to be heated through a flame stabilizer and then conveyed to a combustion chamber at the rear end of a backflow area of the flame stabilizer for combustion to form thrust augmentation. In a Chinese patent publication No. CN 106610029A-an integrated afterburner of a support plate jet, the technology adopted is disclosed as follows: the fuel enters the internal oil cavity of the boosting inner cone from the fuel inlet, is gradually heated and enters the flame stabilizer of the rectifying support plate, and the fuel is sprayed out from fuel spray holes at two sides and the central position of the tail part of the flame stabilizer of the fuel rectifying support plate through secondary heating of high-temperature mixed gas; although fuel enters from the oil inlet hole and can be heated in the boosting inner cone for the first time and then heated for the second time by the rectifying support plate flame stabilizer, when the fuel enters from the oil inlet hole, only the fuel exists, and the heated fuel is difficult to quickly form oil-gas mixture atomization and spray out for the second heating, so that the situation that the fuel supply to the boosting of the airplane is retarded during boosting is caused.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device formed by matching a flame stabilizer with an oil injection rod.
The invention is realized by the following technical scheme.
The invention provides a device formed by matching a flame stabilizer and an oil injection rod, which comprises:
an integrated air-cooled flame stabilizer;
the integrated air-cooled flame stabilizer is fixedly arranged on the end part of the culvert casing;
the inner cone is arranged in the integrated air-cooled flame stabilizer through a rectifying plate;
the culvert casing is positioned outside the culvert casing at intervals and wraps the culvert casing;
one end of the oil spray rod is fixedly installed outside the outer culvert casing, the other end of the oil spray rod extends into the rectifying plate, and an independent hollow space is arranged in the middle of the oil spray rod to form an oil supply space assembly; the fuel injection rod is provided with a fuel injection hole assembly for fuel to enter the rectifying plate, the fuel enters from the fuel supply space assembly of the fuel injection rod, and air and the fuel are mixed in the rectifying plate and heated to be quickly atomized to form an oil-gas mixture.
The end part of the rectifying plate extending out of the integrated air-cooled flame stabilizer is provided with a closed hole to the inside to form an air-entraining air pocket A, and air and fuel oil are mixed and heated in the air-entraining air pocket A space in the rectifying plate to be rapidly atomized to form an oil-gas mixture.
The oil spray rod is fixedly installed outside the culvert casing through screws.
And three independent hollow spaces are arranged in the middle of the oil injection rod to form an oil supply space assembly.
The external culvert casing is externally provided with three paths of oil supply main pipes, two paths of oil supply main pipes and one path of oil supply main pipe, and the three paths of oil supply main pipes, the two paths of oil supply main pipes and the one path of oil supply main pipe respectively supply oil to three independent hollow spaces in the middle of the oil injection rod.
The three-way oil supply main pipe, the two-way oil supply main pipe and the I-way oil supply main pipe form an oil supply main pipe assembly; the oil supply main pipe assembly is communicated with the oil supply space assembly through the oil supply short pipe assembly.
The oil supply short pipe assembly comprises an oil supply short pipe I, an oil supply short pipe II and an oil supply short pipe III, and the oil supply main pipe III, the oil supply main pipe II and the oil supply main pipe I are respectively communicated with the three independent hollow spaces in the middle of the oil spray rod through the oil supply short pipe I, the oil supply short pipe II and the oil supply short pipe III.
The oil injection rod located below the air guide air pocket A is provided with three ways of oil injection holes, two ways of oil injection holes and one way of oil injection hole to form an oil injection hole assembly, the three ways of oil injection holes, the two ways of oil injection holes and the one way of oil injection holes are correspondingly communicated with the three ways of independent hollow spaces, and fuel oil is supplied to be jointly or independently sprayed out from the three ways of independent hollow spaces of the oil injection rod.
The adjustable blockage ratio flame stabilizer is provided with a stuffy hole to an internal formed air-entraining air pocket B, the adjustable blockage ratio flame stabilizer is provided with a fuel oil through hole, an oil spray hole assembly of the air-entraining air pocket A and a spray through hole on a rectifying plate, and the adjustable blockage ratio flame stabilizer is provided with a mixture discharge through hole at the bottom for discharging an oil-gas mixture after secondary oil-gas mixing to a flame transfer area at the rear part of an inner cone.
The invention has the beneficial effects that: the fuel is input into an oil supply space assembly of the fuel injection rod and then enters an air entraining wind pocket A space of the rectifying plate, at the moment, air enters the air entraining wind pocket A from an air inlet of the air entraining wind pocket A and is rapidly atomized with fuel by mixed heating to form an oil-gas mixture, because the fuel and the air are rapidly atomized in the air entraining wind pocket A by mixed heating to form the oil-gas mixture, the problem that the heated fuel is difficult to rapidly form the oil-gas mixture to be atomized and sprayed out for secondary heating is solved, and the condition that the oil supply of an airplane is delayed to the stress application during stress application is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
FIG. 4 is a schematic view of the internal front view of the installation culvert casing of the present invention;
FIG. 5 is a schematic view of the internal structure of the present invention without the culvert casing installed;
in the figure: 1-a culvert casing; 2-III way oil supply main pipe; 3-II paths of oil supply main pipes; 4-I path of oil supply main pipe; 5-a screw; a 6-I way oil supply short pipe; 7-II way oil supply short pipe; an 8-III way oil supply short pipe; 9-a culvert casing; 11-integrated air-cooled flame stabilizer; 111-a rectifying plate; 12-an inner cone; 13-adjustable blockage ratio flame holder; 14-oil spray rod; 141-III way oil spray holes; 142-II oil spray holes; 143-ejection through holes; 21-air entraining wind pocket A; 22-air entraining wind pocket B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-5.
The application discloses a device that flame holder matches constitution with oil spout pole includes:
the integrated air-cooled flame stabilizer 11 is fixedly arranged at the end part of the culvert casing 9, an inner cone 12 is arranged in the integrated air-cooled flame stabilizer 11 through a rectifying plate 111, and a closed hole is arranged at the end part of the rectifying plate 111 extending out of the integrated air-cooled flame stabilizer 11 to form an air-entraining air pocket A21;
the culvert casing 1 is positioned outside the culvert casing 9 at intervals and wraps the culvert casing 9;
one end of the oil spray rod 14 is fixedly installed outside the culvert casing 1 through a screw 5, the other end of the oil spray rod 14 extends into the rectifying plate 111, and three independent hollow spaces are formed in the middle of the oil spray rod 14;
the external culvert casing 1 is externally provided with a III-way oil supply main pipe 2, a II-way oil supply main pipe 3 and an I-way oil supply main pipe 4 for supplying fuel oil, the III-way oil supply main pipe 2, the II-way oil supply main pipe 3 and the I-way oil supply main pipe 4 are all surrounded and spaced outside the external culvert casing 1, the III-way oil supply main pipe 2, the II-way oil supply main pipe 3 and the I-way oil supply main pipe 4 are respectively communicated with the three-way independent hollow space in the middle of the oil spray rod 14 through an I-way oil supply short pipe 6, an II-way oil supply short pipe 7 and an III-way oil supply short pipe 8, the III-way oil supply main pipe 2, the II-way oil supply main pipe 3 and the I-way oil supply main pipe 4 form an oil supply main pipe assembly, the I-way oil supply short pipe 6, the II-way oil supply short pipe 7 and the III-way oil supply short pipe 8 form an oil supply short pipe assembly, and the three-way independent oil supply space of the oil spray rod 14 forms an oil supply space assembly;
the independent three-way space of the fuel spray rod 14 positioned below the air inlet of the air guide air pocket A21 is correspondingly provided with three-way fuel spray holes 141, two-way fuel spray holes 142 and one-way fuel spray holes, the rectifying plate 111 is provided with a fuel spray through hole 143 for spraying fuel, and the three-way fuel spray holes 141, the two-way fuel spray holes 142 and the one-way fuel spray holes form a fuel spray hole assembly.
Fuel oil is input into an oil supply space assembly of the oil spray rod 14 from an oil supply main pipe assembly through an oil supply short pipe assembly and then enters a gas guide air pocket A21 space of the rectifying plate 111, at the moment, air enters the gas guide air pocket A21 from an air inlet of the gas guide air pocket A21 and is mixed, heated and quickly atomized with the fuel oil to form an oil-gas mixture, and the fuel oil and the air are mixed, heated and quickly atomized to form the oil-gas mixture in the gas guide air pocket A21, so that the problem that the heated fuel oil is difficult to quickly form the oil-gas mixture, atomized and sprayed out for secondary heating is solved, and the condition that the oil supply of an airplane is delayed from the moment of applying force is avoided.
The adjustable blockage ratio flame stabilizer 13 is provided with a fuel oil through hole, a fuel oil hole and a fuel oil hole assembly of the air guiding wind pocket A21 are communicated with a spraying through hole on the rectifying plate 111, and the bottom of the adjustable blockage ratio flame stabilizer 13 is provided with a mixture discharging through hole for discharging an oil-gas mixture after secondary oil-gas mixing to a flame transfer area at the rear part of the inner cone 12; the mixture discharge through hole of the adjustable blockage ratio flame holder 13 is located above the rear end of the inner cone 12.
After fuel oil and air are subjected to primary mixed heating and rapid atomization in the air-entraining air pocket A21 to form an oil-gas mixture, the oil-gas mixture is discharged through the oil spray hole assembly, the air enters from an air port of the air-entraining air pocket B22 and is subjected to secondary mixed heating with the oil-gas mixture again, and then the air is discharged from a mixture discharge through hole arranged at the bottom of the adjustable blockage ratio flame stabilizer 13 to a flame propagation area behind the inner cone 12 for combustion and force application.
The negative pressure action of the bleed air pocket A21 of the rectifying plate 111 and the bleed air pocket B22 of the adjustable blockage ratio flame stabilizer 13 is as follows: when air enters the air-entraining air pocket A21 and is discharged from the oil spray hole assembly, the oil supply space in the air-entraining air pocket A21 can form negative pressure to enable fuel to move disorderly and mix with the air; in the continuous process, air enters from the air inlet of the air guide air pocket B22 and is discharged from the mixture discharge through hole at the bottom of the flame stabilizer 13 with the adjustable blockage ratio to form negative pressure inside the air guide air pocket B22, and the negative pressure absorbs the oil-gas mixture discharged from the oil spray hole assembly of the air guide air pocket A21 to perform secondary disordered movement and perform secondary mixing with the air.
Claims (9)
1. The utility model provides a device that flame holder and fuel spray rod match constitution which characterized in that includes:
an integrated gas-cooled flame stabilizer (11);
the integral gas-cooled flame stabilizer (11) is fixedly arranged on the end part of the culvert casing (9);
the inner cone (12) is installed inside the integrated air-cooled flame stabilizer (11) through a rectifying plate (111);
the culvert casing (1), the culvert casing (1) is positioned outside the culvert casing (9) at intervals and wraps the culvert casing (9);
one end of the oil spray rod (14) is fixedly arranged outside the outer culvert casing (1), the other end of the oil spray rod (14) extends into the rectifying plate (111), and an independent hollow space is arranged in the middle of the oil spray rod (14) to form an oil supply space assembly; the fuel injection rod (14) is provided with a fuel injection hole assembly for fuel to enter the rectifying plate (111), the fuel enters from the fuel supply space assembly of the fuel injection rod (14), and air and the fuel are mixed in the rectifying plate (111) and are heated and atomized quickly to form an oil-gas mixture.
2. The apparatus of claim 1, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the end part of the rectifying plate (111) extending out of the integrated air-cooled flame stabilizer (11) is provided with a closed hole to form an air-entraining air pocket A (21) inside, and air and fuel oil are mixed, heated and rapidly atomized in the space of the air-entraining air pocket A (2) in the rectifying plate (111) to form an oil-gas mixture.
3. The apparatus of claim 1, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the oil spray rod (14) is fixedly arranged outside the culvert casing (1) through a screw (5).
4. The apparatus of claim 1, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: and three independent hollow spaces are arranged in the middle of the oil injection rod (14) to form an oil supply space assembly.
5. The apparatus of claim 1, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the external culvert casing (1) is externally provided with three paths of oil supply main pipes (2), two paths of oil supply main pipes (3) and one path of oil supply main pipe (4), and the three paths of oil supply main pipes (2), the two paths of oil supply main pipes (3) and the one path of oil supply main pipe (4) respectively supply oil to three independent hollow spaces in the middle of the oil injection rod (14).
6. The apparatus of claim 5, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the three-way oil supply main pipe (2), the two-way oil supply main pipe (3) and the one-way oil supply main pipe (4) form an oil supply main pipe assembly; the oil supply main pipe assembly is communicated with the oil supply space assembly through the oil supply short pipe assembly.
7. The apparatus of claim 6, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the oil supply short pipe assembly comprises an I-way oil supply short pipe (6), an II-way oil supply short pipe (7) and an III-way oil supply short pipe (8), and the III-way oil supply main pipe (2), the II-way oil supply main pipe (3) and the I-way oil supply main pipe (4) are respectively communicated with the middle three-way independent hollow space of the oil injection rod (14) through the I-way oil supply short pipe (6), the II-way oil supply short pipe (7) and the III-way oil supply short pipe (8).
8. The apparatus of claim 7, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: the oil injection rod (14) located below the air entraining air pocket A (21) is provided with three ways of oil injection holes (141), two ways of oil injection holes (142) and one way of oil injection holes to form an oil injection hole assembly, the three ways of oil injection holes (141), the two ways of oil injection holes (142) and the one way of oil injection holes are correspondingly communicated with three ways of independent hollow spaces, and fuel oil is supplied to be jointly or independently sprayed out from the three ways of independent hollow spaces of the oil injection rod (14).
9. The apparatus of claim 8, wherein the flame holder is configured to mate with a fuel injection rod, and wherein: still including installing adjustable blockage ratio flame holder (13) on integrative air-cooled flame holder (11), adjustable blockage ratio is equipped with stifled hole to inside formation bleed wind pocket B (22) on flame holder (13), and adjustable blockage ratio is equipped with fuel through-hole and the nozzle opening assembly of bleed wind pocket A (21) on flame holder (13) and is fed through hole (143) on cowling panel (111) and communicates, adjustable blockage ratio flame holder (13) bottom is equipped with mixture discharge through-hole and supplies the oil gas mixture discharge after the secondary oil gas mixes to the flame zone that passes at inner cone (12) rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061627.9A CN115435337B (en) | 2022-09-01 | 2022-09-01 | Device formed by matching flame stabilizer with oil injection rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061627.9A CN115435337B (en) | 2022-09-01 | 2022-09-01 | Device formed by matching flame stabilizer with oil injection rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115435337A true CN115435337A (en) | 2022-12-06 |
| CN115435337B CN115435337B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211061627.9A Active CN115435337B (en) | 2022-09-01 | 2022-09-01 | Device formed by matching flame stabilizer with oil injection rod |
Country Status (1)
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2022
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| Publication number | Publication date |
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| CN115435337B (en) | 2023-10-27 |
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