CN217763422U

CN217763422U - Novel high-stability combustor device

Info

Publication number: CN217763422U
Application number: CN202221983576.0U
Authority: CN
Inventors: 张景涛
Original assignee: Hebei Kesheng Chuangxian Environmental Protection Technology Co ltd
Current assignee: Hebei Kesheng Chuangxian Environmental Protection Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-08
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a novel combustor device of high stability, including casing, spray tube, fuel pipe, air inlet and fuel passageway, the one end fixedly connected with spray tube of casing, and the other end of casing is connected with the air inlet in the middle of being positive, the fuel passageway has all been seted up to the side inside surface of casing and spray tube, the embedded inner ring that installs of inboard surface of casing, and the inboard fixed surface of inner ring is provided with the paddle board. This novel burner device of high stability injects high-speed gas stream and through the acceleration based on the spray tube of Laval pipe principle design through the air inlet, forms super high-speed flowing gas, utilizes the mode of spouting hole with fuel channel blowout and the gaseous mixture that flows of hypervelocity, and the constitution that will ignite sets up in the outside of spray tube, and the combustor is not direct and flame contact to make the combustor can not receive the rise that flame temperature influences and cause surface temperature, prolonged the life of combustor.

Description

Novel high-stability burner device

Technical Field

The utility model relates to a combustor technical field specifically is a novel combustor device of high stability.

Background

The burner is a device for mixing air and fuel and then spraying the mixture out for combustion, the burner is usually used for burning or heating materials in a certain space, the traditional burner adopts a mode of internally arranging a combustion chamber, the fuel and sufficient air are ignited and sprayed out in the combustion chamber, the temperature of the burner shell is always in a higher level, the service life of the burner shell can be rapidly reduced after long-time high-temperature roasting, the service life of the burner shell is not prolonged, meanwhile, when the burner is ignited, the starting time of an igniter is very important, the improper ignition time can easily cause the detonation or ignition failure of the fuel, the inflow speed of each fuel is influenced by various factors, and the ignition time of the igniter is difficult to accurately control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel combustor device of high stability to solve the combustor surface temperature that proposes among the above-mentioned background art higher and difficult problem of accuse when lighting a fire.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel combustor device of high stability, includes casing, spray tube, fuel pipe, air inlet and fuel passage, the one end fixedly connected with spray tube of casing, and the other end of casing is connected with the air inlet in the middle of being positive, the fuel passage has all been seted up to the inside of side surface of casing and spray tube, the one end inboard surface that the casing was kept away from to the spray tube has evenly seted up the blowout hole, the one end outside fixed surface that the casing was kept away from to the spray tube is provided with the installation pole, and the pressure chamber has been seted up to the inside of installation pole, one side fixed surface of installation pole orientation spray tube axle center installs the some firearm that is used for the ignition, one side fixed surface of installation pole in the opposite direction spray tube axle center installs 2 contact pieces, one side fixed surface of installation pole in the opposite direction spray tube axle center is connected with gliding slide, and slide one side fixed surface towards the contact piece installs the intercommunication piece, the inside fixed mounting of fuel passage in the casing side surface has the through-ring, fuel passage internally mounted through-ring one side has the pivoted guard ring, and the guard ring has all seted up the via hole with the surface of through-ring, the inboard surface of casing has the inner ring, and the inboard fixed surface of inner ring is provided with the paddle board.

Preferably, the side surface of the nozzle is designed to be an inwardly concave arc, and two ends of the ejection hole respectively penetrate through the fuel passage and the outer side surface of the nozzle.

By adopting the technical scheme, the fuel in the fuel channel can be uniformly sprayed out through the spraying holes.

Preferably, one end of the pressure chamber penetrates through an outer surface of the fuel passage, and the other end of the pressure chamber is penetrated by the slide plate.

By adopting the technical scheme, when fuel is injected into the fuel channel, one end of the sliding plate in the pressure cavity can be pushed by pressure.

Preferably, a spring is connected between the sliding plate and the mounting rod, and one end of the sliding plate penetrating through the pressure cavity is in sliding friction connection with the pressure cavity.

Adopt above-mentioned technical scheme for the slide can slide relative pressure chamber when pressure increases in the pressure chamber.

Preferably, the outer surface of one end of the inner ring penetrates through the outer surface of the fuel channel and is fixedly connected with the protection ring, the outer surface of the protection ring is respectively attached to the side surface of the passing ring and the inner side surface of the fuel channel, and the passing ring and the through hole on the outer surface of the protection ring are overlapped.

By adopting the technical scheme, the fuel in the fuel channel can flow through the through holes on the outer surfaces of the ring and the protective ring.

Preferably, the paddle plates are uniformly distributed on the inner side surface of the inner ring, the paddle plates face the same direction, and a spring is connected between the connecting position of the inner ring and the protective ring and the shell.

By adopting the technical scheme, the inner ring can drive the protective ring to rotate reversely under the support of the spring when the paddle plate is not stressed enough.

Compared with the prior art, the beneficial effects of the utility model are that: this novel combustor device of high stability:

1. the burner is characterized in that high-speed airflow is injected through an air inlet and accelerated through a spray pipe designed based on the Laval pipe principle to form ultrahigh-speed flowing gas, a fuel channel is sprayed out through a spray hole to be mixed with the ultrahigh-speed flowing gas, an ignition structure is arranged outside the spray pipe, and the burner is not directly contacted with flame, so that the surface temperature of the burner cannot be increased due to the influence of the flame temperature, the service life of the burner is prolonged, the flame cannot be tempered by the flow of the ultrahigh-speed gas after external ignition, the flame has larger length and good flame rigidity, the cross section of the flame is small in deformation, the heating of a longer space is facilitated, and the application range of the burner is wider;

2. the igniter is triggered by the sliding plate sliding based on the pressure of the fuel channel, so that the igniter can always ignite immediately after the fuel is sprayed out through the spraying hole, the igniter can ignite according to the actual time of spraying the fuel, and the possibility of ignition failure or detonation is reduced;

3. the mode that the fuel supply in the fuel channel is automatically cut off under the condition that the air is not enough injected into the air inlet through the through holes on the ring and the protective ring is utilized, so that the phenomenon of backfire along the fuel channel can not be generated when the air source is abnormally cut off in the flame, and the safety and stability of the combustor are ensured.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the connecting structure of the mounting rod and the slide plate of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a nozzle; 3. a fuel tube; 4. an air inlet; 5. a fuel passage; 6. a spouting hole; 7. mounting a rod; 8. a pressure chamber; 9. an igniter; 10. a contact block; 11. a slide plate; 12. a communicating block; 13. through the ring; 14. a guard ring; 15. a via hole; 16. an inner ring; 17. a paddle board.

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. 1-4, the present invention provides a technical solution: the utility model provides a novel burner device of high stability, including casing 1, spray tube 2, fuel pipe 3, air inlet 4, fuel passageway 5, blowout hole 6, installation pole 7, pressure chamber 8, some firearm 9, contact piece 10, slide 11, intercommunication piece 12, through ring 13, guard ring 14, via hole 15, inner ring 16 and paddle board 17, the one end fixedly connected with spray tube 2 of casing 1, and the positive centre of the other end of casing 1 is connected with air inlet 4, fuel passageway 5 has all been seted up to the inside side surface of casing 1 and spray tube 2, blowout hole 6 has evenly been seted up to the inside surface of one end that spray tube 2 kept away from casing 1, the side surface of spray tube 2 is inside sunken arc design, the outside surface of fuel passageway 5 and spray tube 2 is run through respectively at the both ends of blowout hole 6, utilize the spray tube 2 based on the acceleration of laval pipe principle design to gas, make the flame of burning can not cause direct broiling to casing 1 and spray tube 2, the actual temperature on casing 1 and spray tube 2 surface has greatly reduced, make the temperature resistant requirement of combustor low, it is with low costs to process combustor material.

As shown in fig. 1-2, an installation rod 7 is fixedly arranged on the outer surface of one end of the spray pipe 2, which is far away from the housing 1, and a pressure chamber 8 is arranged inside the installation rod 7, an igniter 9 for ignition is installed on the outer surface of one side of the installation rod 7, which faces the axis of the

spray pipe

2, and 2 contact blocks 10 are fixedly installed on the outer surface of one side of the installation rod 7, which faces away from the axis of the spray pipe 2, and a sliding plate 11 is connected to the outer surface of one side of the installation rod 7, which faces the axis of the spray pipe 2, and a communicating block 12 is fixedly installed on the outer surface of one side of the sliding plate 11, which faces the contact block 10, one end of the pressure chamber 8 penetrates through the outer surface of the fuel channel 5, and the other end of the pressure chamber 8 is penetrated by the sliding plate 11, a spring is connected between the sliding plate 11 and the installation rod 7, and one end of the sliding plate 11, which penetrates through the pressure chamber 8, is in sliding friction connection with the pressure chamber 8, and the communicating block 12 is driven by the fuel pressure, and the contact with the 2 contact blocks 10 at the same time, to trigger the igniter 9, so that the igniter 9 can ignite according to the actual time of the fuel spraying, thereby reducing the possibility of ignition failure or detonation.

As shown in fig. 1, 3 and 4, a through ring 13 is fixedly installed inside a fuel channel 5 inside the side surface of a housing 1, a rotating guard ring 14 is installed inside the fuel channel 5 on one side of the through ring 13, through holes 15 are respectively formed in the outer surfaces of the guard ring 14 and the through ring 13, an inner ring 16 is installed on the inner side surface of the housing 1 in an embedded manner, a paddle board 17 is fixedly arranged on the inner side surface of the inner ring 16, the outer surface of one end of the inner ring 16 penetrates through the outer surface of the fuel channel 5 to be fixedly connected with the guard ring 14, the outer surface of the guard ring 14 is respectively attached to the side surface of the through ring 13 and the inner side surface of the fuel channel 5, the through holes 15 on the outer surfaces of the ring 13 and the guard ring 14 are overlapped, the paddle boards 17 are uniformly distributed on the inner side surface of the inner ring 16, the paddle boards 17 face towards the same direction, a spring is connected between the connection part of the inner ring 16 and the guard ring 14 and the housing 1, and the inner ring 16 is driven to rotate by the spring under the condition of insufficient wind force, so that the inner ring 16 can drive the guard ring 14 to rotate, thereby the through holes 15 on the outer surface of the guard ring 14 and further realize the dislocation of the through hole 15 of the outer surface of the through ring 13, and prevent abnormal cutting of the fuel channel 5, and preventing the abnormal tempering.

The working principle is as follows: when the high-stability novel burner device is used, firstly, when the high-stability novel burner device is used, high-pressure air is injected into the shell 1 through the air inlet 4, gas flows through impact on the paddle plate 17 to drive the inner ring 16 to rotate and compress the spring, the inner ring 16 drives the guard ring 14 to rotate so that the through hole 15 on the guard ring 14 is overlapped with the through hole 15 on the through ring 13, raw materials injected into the fuel channel 5 by the fuel pipe 3 are finally sprayed into the spray pipe 2 through the through hole 15 and the transmission of the fuel channel 5 through the spraying hole 6, at the moment, the air accelerated by the spray pipe 2 is fully mixed with fuel and then sprayed to the igniter 9, and meanwhile, the fuel in the fuel channel 5 is sprayed into the installation rod 7 in a mode of applying pressure to the sliding plate 11, so that the sliding plate 11 slides relative to the installation rod 7 and compresses the spring, and the communication block 12 can be in contact with the 2 contact blocks 10 to trigger the igniter 9 to start ignition of a mixture of the fuel and the air;

when the air source of air injection into the air inlet 4 breaks down and causes the air flow rate to be insufficient or even interrupts the supply, the insufficient oppression power that the paddle board 17 received makes the inner ring 16 drive the guard ring 14 to rotate under the support of the spring that is compressed between it and the casing 1, make the via hole 15 on the guard ring 14 misplace with the via hole 15 on the through ring 13, even if the phenomenon that flame tempered along the fuel channel 5 appears at this moment, flame also can only burn to guard ring 14 department and will extinguish because of fuel is not enough, the safe and stable work of the combustor has been guaranteed, the holistic practicality has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. A high-stability novel burner device comprises a shell (1), a spray pipe (2), a fuel pipe (3), an air inlet (4) and a fuel channel (5), and is characterized in that: the fuel injection device is characterized in that a spray pipe (2) is fixedly connected to one end of the shell (1), an air inlet (4) is connected to the middle of the other end of the shell (1), a fuel channel (5) is arranged inside the side surface of the shell (1) and the spray pipe (2), a spray hole (6) is uniformly formed in the inner side surface of one end, far away from the shell (1), of the spray pipe (2), an installation rod (7) is fixedly arranged on the outer side surface of one end, far away from the shell (1), of the spray pipe (2), a pressure cavity (8) is formed in the installation rod (7), an igniter (9) used for ignition is installed on the outer surface of one side, facing the axis of the spray pipe (2), of the installation rod (7), facing away from the axis of the spray pipe (2), a sliding plate (11) is connected to the outer surface of one side, far away from the axis of the spray pipe (2), of the sliding plate (11), a communication block (12) is fixedly installed on the outer surface of one side, a fuel channel (5) inside the side surface of the shell (1), a through ring (13) is fixedly installed on the inner surface of the fuel channel (5), and a protective ring (14) is installed on the outer surface of the other side, the inner side surface of the shell (1) is provided with an inner ring (16) in an embedded mode, and the inner side surface of the inner ring (16) is fixedly provided with a blade plate (17).

2. The high-stability novel burner device according to claim 1, wherein: the side surface of the spray pipe (2) is designed into an inward-sunken arc shape, and two ends of the spray hole (6) penetrate through the outer side surfaces of the fuel channel (5) and the spray pipe (2) respectively.

3. The high-stability novel burner device according to claim 1, wherein: one end of the pressure cavity (8) penetrates through the outer surface of the fuel channel (5), and the other end of the pressure cavity (8) is penetrated by the sliding plate (11).

4. The high-stability novel burner device according to claim 1, wherein: a spring is connected between the sliding plate (11) and the mounting rod (7), and one end, penetrating through the pressure cavity (8), of the sliding plate (11) is in sliding friction connection with the pressure cavity (8).

5. The high-stability novel burner device according to claim 1, wherein: the outer surface of one end of the inner ring (16) penetrates through the outer surface of the fuel channel (5) and is fixedly connected with the protection ring (14), the outer surface of the protection ring (14) is respectively attached to the side surface of the passing ring (13) and the inner side surface of the fuel channel (5), and the passing holes (15) passing through the outer surfaces of the ring (13) and the protection ring (14) are overlapped.

6. The high-stability novel burner device according to claim 1, wherein: the paddle board (17) are evenly distributed on the inner side surface of the inner ring (16), the orientation of the paddle board (17) is the same, and a spring is connected between the joint of the inner ring (16) and the protection ring (14) and the shell (1).