CN211119488U - Novel ignition device of liquid ramjet engine - Google Patents
Novel ignition device of liquid ramjet engine Download PDFInfo
- Publication number
- CN211119488U CN211119488U CN201921807054.3U CN201921807054U CN211119488U CN 211119488 U CN211119488 U CN 211119488U CN 201921807054 U CN201921807054 U CN 201921807054U CN 211119488 U CN211119488 U CN 211119488U
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- fuel
- engine
- support frame
- ignition device
- electric heating
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- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 101
- 238000005485 electric heating Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a ramjet technical field just discloses a novel ignition of liquid ramjet, including the engine housing, fixedly connected with support frame in the middle of the engine housing is inside, support frame rear side middle part fixed mounting has the spark plug, the engine housing left side is equipped with fuel and is responsible for, fuel is responsible for the rear end intercommunication and has integrated into one piece's fuel branch pipe two sets of, support frame right side fixed mounting has the discharging pipe, a plurality of groups of atomizer are installed on the discharging pipe right side, fuel branch pipe rear end communicates in the discharging pipe. The utility model discloses, through the inside electric heating wire of barrel in the fuel preheating device to the inside terminal liquid fuel of fuel person in charge preheat fast, disperse more between the liquid fuel molecule after preheating for finally also disperse more from atomizer spun liquid fuel, improve the combustion efficiency of fuel, realize that the fuel fully burns.
Description
Technical Field
The utility model relates to a ramjet technical field specifically is a novel ignition of liquid ramjet device.
Background
The ramjet engine is an air jet engine which utilizes the speed reduction of the head-on air flow entering the engine to improve the static pressure of air. Ramjet engines do not have a compressor and are therefore also known as air jet engines without a compressor. The method for compressing air by the engine is characterized in that relative airflow enters an air inlet channel of the engine to be decelerated when the aircraft flies at a high speed, and kinetic energy is converted into pressure energy.
When the ramjet adopts liquid fuel to burn in the combustion chamber, because the liquid fuel can not be dispersed rapidly in the combustion chamber, the situation of insufficient ignition and combustion is easy to occur; meanwhile, the fuel is unevenly sprayed in the combustion chamber, and the condition of insufficient fuel combustion can also occur.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel ignition device of a liquid ramjet, which can quickly preheat and disperse liquid fuel, and solves the problems that the liquid fuel can not be quickly dispersed in a combustion chamber and the ignition and combustion are insufficient; meanwhile, the fuel is unevenly sprayed in the combustion chamber, and the problem of insufficient fuel combustion can also occur.
(II) technical scheme
For realizing the above-mentioned shock attenuation purpose of preventing falling, the utility model provides a following technical scheme: the utility model provides a novel ignition of liquid punching press engine, includes the engine housing, fixedly connected with support frame in the middle of the engine housing is inside, support frame rear side middle part fixed mounting has the spark plug, the engine housing left side is equipped with the fuel and is responsible for, the fuel is responsible for the rear end intercommunication and has integrated into one piece's fuel branch pipe two sets of, support frame right side fixed mounting has the discharging pipe, a plurality of groups of atomizer are installed on the discharging pipe right side, fuel branch pipe rear end communicates in the discharging pipe, the inside rear end fixed mounting of engine housing has the flame holder, the fuel is responsible for outside fixed mounting and has fuel preheating device.
Preferably, the fuel preheating device comprises a cylinder and an electric heating wire, a cavity layer is arranged in the cylinder, and the electric heating wire is arranged in the cavity layer.
Preferably, the cavity layer is of an annular cylinder structure, and the electric heating wire is of a spiral structure and is arranged inside the cavity layer.
Preferably, a through hole is formed in one side of the barrel, one end of the through hole is communicated with the inner part of the cavity layer, the end part of the electric heating wire movably penetrates through the through hole, and the end part of the electric heating wire extends to the outer side of the through hole.
Preferably, an exhaust pipe is arranged between the two groups of fuel branch pipes, and two sides of the exhaust pipe are fixedly connected to the inner side wall of the engine shell through connecting rods.
Preferably, the support frame is provided with two groups of mounting holes, and the end parts of the fuel branch pipes movably penetrate through the mounting holes.
Preferably, a support rod is fixedly connected between one side of the fuel branch pipe and the inner wall of the engine shell.
(III) advantageous effects
Compared with the prior art, the utility model provides a novel liquid ramjet's ignition possesses following beneficial effect:
1. this ignition of liquid ramjet, the inside electric heating wire of barrel preheats the liquid fuel of the inside end of fuel main pipe fast among the fuel preheating device, disperses more between the liquid fuel molecule after preheating for finally also disperse more from atomizer spun liquid fuel, improve the combustion efficiency of fuel, realize that the fuel fully burns.
2. The blast pipe is connected with external air compressor, and the blast pipe is used for discharging high-pressure gas, can increase the admission speed of the inside intake duct of engine housing on the one hand, reduces intake duct intake time, also can make atomizer spun liquid fuel be more dispersed by high-pressure gas towards simultaneously, improves combustion efficiency.
3. The multiple groups of atomizing nozzles spray more dispersed liquid fuel at the rear side of the support frame, and the multiple groups of atomizing nozzles are matched with the exhaust pipe for use, so that the fuel can be sprayed more uniformly and dispersedly, and the combustion rate and efficiency of the fuel in the combustion chamber are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fuel preheating device of the present invention;
fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.
In the figure: 1. an engine housing; 2. a support frame; 3. a spark plug; 4. a fuel main pipe; 5. a fuel branch pipe; 6. a discharge pipe; 7. an atomizing spray head; 8. a flame stabilizer; 9. a fuel preheating device; 901. a barrel; 902. a cavity layer; 903. an electric heating wire; 904. a through hole; 10. an exhaust pipe; 11. a support bar; 12. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a novel ignition device of a liquid ramjet engine comprises an engine housing 1, a support frame 2 is fixedly connected to the middle inside the engine housing 1, a spark plug 3 is fixedly installed at the middle of the rear side of the support frame 2, a fuel main pipe 4 is arranged on the left side of the engine housing 1, the rear ends of the fuel main pipes 4 are communicated with two groups of integrally formed fuel branch pipes 5, a discharge pipe 6 is fixedly installed on the right side of the support frame 2, a plurality of groups of atomizing nozzles 7 are installed on the right side of the discharge pipe 6, the rear ends of the fuel branch pipes 5 are communicated with the discharge pipe 6, a flame stabilizer 8 is fixedly installed at the rear end inside the engine housing 1; inside fuel got into two sets of fuel branch pipes 5 from fuel main pipe 4, preheated the liquid fuel of the inside end of fuel main pipe 4 fast through fuel preheating device 9, dispersed more between the liquid fuel molecule after preheating, the fuel after preheating passes through fuel branch pipe 5, discharging pipe 6, finally spouts from atomizer 7, spark plug 3 ignites, spun liquid fuel can disperse and burn inside the combustion chamber.
Further, the fuel preheating device 9 comprises a cylinder 901 and an electric heating wire 903, wherein a cavity layer 902 is formed inside the cylinder 901, and the electric heating wire 903 is installed inside the cavity layer 902; the liquid fuel at the tail end inside the main fuel pipe 4 is quickly preheated by the electric heating wire 903 inside the cylinder 901 in the fuel preheating device 9, and the preheated liquid fuel molecules are more dispersed.
Further, the cavity layer 902 is of an annular cylinder structure, and the electric heating wire 903 is of a spiral structure and is installed inside the cavity layer 902; the electric heating wire 903 having a spiral structure is installed in such a manner that the coverage area of the electric heating wire 903 inside the cavity layer 902 is increased.
Further, a through hole 904 is formed in one side of the cylinder 901, one end of the through hole 904 is communicated with the inside of the cavity layer 902, the end part of the electric heating wire 903 movably penetrates through the through hole 904, and the end part of the electric heating wire 903 extends to the outside of the through hole 904; the ends of the electric heating wire 903 are leaked out of the through holes 904 for connection with an external power supply.
Further, an exhaust pipe 10 is arranged between the two groups of fuel branch pipes 5, and two sides of the exhaust pipe 10 are fixedly connected to the inner side wall of the engine shell 1 through connecting rods; the exhaust pipe 10 is connected with an external air compressor, and the exhaust pipe 10 is used for discharging high-pressure gas, so that on one hand, the air inlet speed of an air inlet channel inside the engine shell 1 can be increased, the air inlet time of the air inlet channel is reduced, and meanwhile, liquid fuel sprayed by the atomizing nozzle 7 can be dispersed by the high-pressure gas.
Furthermore, two groups of mounting holes 12 are formed in the support frame 2, and the end parts of the fuel branch pipes 5 movably penetrate through the mounting holes 12; the mounting hole 12 is used for limiting and supporting the end of the fuel branch pipe 5.
Furthermore, a support rod 11 is fixedly connected between one side of the fuel branch pipe 5 and the inner wall of the engine shell 1; the support rods 11 are used for supporting and fixing the fuel branch pipes 5.
The working principle is that fuel enters the two groups of fuel branch pipes 5 from the fuel main pipe 4, liquid fuel at the tail end of the interior of the fuel main pipe 4 is quickly preheated through an electric heating wire 903 inside a cylinder 901 in the fuel preheating device 9, molecules of the preheated liquid fuel are more dispersed, the preheated fuel finally sprays out from the atomizing nozzle 7 through the fuel branch pipes 5 and the discharge pipe 6, the spark plug 3 ignites, and the sprayed liquid fuel can be dispersed inside a combustion chamber to be combusted; blast pipe 10 is connected with external air compressor, and blast pipe 10 is used for discharging high-pressure gas, can increase the admission speed of the inside intake duct of engine housing 1 on the one hand, reduces intake duct intake time, also can make 7 spun liquid fuel of atomizer 7 dispersed more that is washed by high-pressure gas simultaneously, improves combustion efficiency.
To sum up, in the ignition device of the liquid ramjet, the liquid fuel at the tail end inside the main fuel pipe 4 is quickly preheated by the electric heating wire 903 inside the cylinder 901 in the fuel preheating device 9, and the preheated liquid fuel molecules are more dispersed, so that the liquid fuel finally sprayed out from the atomizer 7 is also more dispersed, the combustion efficiency of the fuel is improved, and the full combustion of the fuel is realized;
the exhaust pipe 10 is connected with an external air compressor, and the exhaust pipe 10 is used for exhausting high-pressure gas, so that on one hand, the air inlet speed of an air inlet channel in the engine shell 1 can be increased, the air inlet time of the air inlet channel is reduced, and meanwhile, liquid fuel sprayed by the atomizing nozzle 7 can be dispersed by the high-pressure gas, and the combustion efficiency is improved;
the multiple groups of atomizing nozzles 7 spray more dispersed liquid fuel at the rear side of the support frame 2, and are matched with the exhaust pipe 10 for use, so that the fuel can be sprayed more uniformly and dispersedly, and the combustion rate and efficiency of the fuel in the combustion chamber are improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A novel ignition device of a liquid ramjet engine comprises an engine shell (1), and is characterized in that: fixedly connected with support frame (2) in the middle of engine housing (1) is inside, support frame (2) rear side middle part fixed mounting has spark plug (3), engine housing (1) left side is equipped with fuel and is responsible for (4), fuel is responsible for (4) rear end intercommunication has integrated into one piece's fuel branch pipe (5) two sets of, support frame (2) right side fixed mounting has discharging pipe (6), atomizer (7) a plurality of groups are installed on discharging pipe (6) right side, fuel branch pipe (5) rear end intercommunication in discharging pipe (6), the inside rear end fixed mounting of engine housing (1) has flame stabilizer (8), fuel is responsible for (4) outside fixed mounting and has fuel preheating device (9).
2. The ignition device of the novel liquid ramjet engine as claimed in claim 1, wherein: the fuel preheating device (9) comprises a cylinder body (901) and an electric heating wire (903), wherein a cavity layer (902) is formed in the cylinder body (901), and the electric heating wire (903) is installed in the cavity layer (902).
3. The novel ignition device of the liquid ramjet engine as claimed in claim 2, wherein: the cavity layer (902) is of an annular cylinder structure, and the electric heating wires (903) are of a spiral structure and are arranged inside the cavity layer (902).
4. The novel ignition device of the liquid ramjet engine as claimed in claim 2, wherein: one side of the cylinder body (901) is provided with a through hole (904), one end of the through hole (904) is communicated with the inside of the cavity layer (902), the end part of the electric heating wire (903) movably penetrates through the through hole (904), and the end part of the electric heating wire (903) extends to the outer side of the through hole (904).
5. The ignition device of the novel liquid ramjet engine as claimed in claim 1, wherein: and an exhaust pipe (10) is arranged between the two groups of fuel branch pipes (5), and two sides of the exhaust pipe (10) are fixedly connected to the inner side wall of the engine shell (1) through connecting rods.
6. The ignition device of the novel liquid ramjet engine as claimed in claim 1, wherein: two groups of mounting holes (12) are formed in the support frame (2), and the end parts of the fuel branch pipes (5) penetrate through the mounting holes (12) movably.
7. The ignition device of the novel liquid ramjet engine as claimed in claim 1, wherein: and a support rod (11) is fixedly connected between one side of the fuel branch pipe (5) and the inner wall of the engine shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807054.3U CN211119488U (en) | 2019-10-25 | 2019-10-25 | Novel ignition device of liquid ramjet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807054.3U CN211119488U (en) | 2019-10-25 | 2019-10-25 | Novel ignition device of liquid ramjet engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119488U true CN211119488U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921807054.3U Expired - Fee Related CN211119488U (en) | 2019-10-25 | 2019-10-25 | Novel ignition device of liquid ramjet engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464989A (en) * | 2023-04-19 | 2023-07-21 | 西北工业大学 | Repeatedly started combustion chamber of underwater vehicle |
-
2019
- 2019-10-25 CN CN201921807054.3U patent/CN211119488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464989A (en) * | 2023-04-19 | 2023-07-21 | 西北工业大学 | Repeatedly started combustion chamber of underwater vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |