CN211925751U

CN211925751U - Ignition gun for combustor

Info

Publication number: CN211925751U
Application number: CN201922438906.2U
Authority: CN
Inventors: 胡向阳
Original assignee: Shineng Tianjin Thermal Technology Co ltd
Current assignee: Shineng Tianjin Thermal Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-13
Anticipated expiration: 2029-12-30

Abstract

The utility model provides an ignition gun for combustor, including gas pipeline, gas pipeline surface cover is equipped with air conduit, and ignition electrode intercommunication gas pipeline one end is passed through to air conduit one end, and the air conduit other end internal surface passes through the whirl flame stabilizer intercommunication gas pipeline other end, and the surface of the air conduit other end passes through shower nozzle intercommunication furnace, is equipped with the gas joint on the gas pipeline, is equipped with air joint on the air conduit. The utility model discloses a cooperation of gas valve and air valve can carry out the arbitrary proportion's of air and gas mixture, realizes the exchange of flame size, has improved the work efficiency of burning torch, has increased application scope, through setting up the whirl flame stabilizer, can strengthen the mixture of air and gas, has improved combustion efficiency, keeps flame stable.

Description

Ignition gun for combustor

Technical Field

The utility model belongs to the technical field of mechanical structure, especially, relate to an ignition gun for combustor.

Background

In the combustion process, the burner is the core component of the combustion device. A burner is a device that causes fuel and air to be ejected in a certain manner for mixed combustion. The burner can be divided into various types and application fields, such as an industrial burner, a civil burner, a special burner and the like, is made of corrosion-resistant and high-temperature-resistant materials, such as stainless steel, metal titanium and the like, and has the functions of atomizing a sample through flame combustion, enabling atomized test solution to enter the burner, and generating a large amount of ground state atoms, and part of excited state atoms, ions and molecules through the processes of drying, melting, evaporation, dissociation and the like under the action of flame temperature and flame atmosphere.

Because the industrial burner is various, so the burning torch is also various, and the inconvenient combination of current combustor burning torch is dismantled, and inconvenient the adjusting, the success rate of striking sparks is lower, and flame intensity is not enough, and flame is unstable, breaks off a fire easily, and the reliability is lower.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a combustor, especially simple structure, convenient operation, convenient to assemble and disassemble, accommodation is wide, flame stabilization, a burning efficiency is high for burning torch.

In order to solve the technical problem, the utility model discloses a technical scheme is: an ignition gun for a burner comprises a gas pipeline, wherein an air pipeline is sleeved on the outer surface of the gas pipeline, one end of the air pipeline is communicated with one end of the gas pipeline through an ignition electrode, the inner surface of the other end of the air pipeline is communicated with the other end of the gas pipeline through a rotational flow flame stabilizer, the outer surface of the other end of the air pipeline is communicated with a hearth through a spray head, the rotational flow flame stabilizer comprises a sleeve, a positioning ring is arranged at the central position of the sleeve, a plurality of groups of rotational flow blades are movably arranged between the sleeve and the positioning ring, an annular rack is arranged on the outer surface of the sleeve, the sleeve is respectively coaxial with the positioning ring and the annular rack, the rotational flow blades are arranged on a blade fixing rod, one end of the blade fixing rod is movably connected with the positioning ring, the other end of the blade fixing, the sleeve pipe intercommunication air conduit is terminal, the holding ring intercommunication gas conduit is terminal, be equipped with gas connection on the gas conduit, be equipped with air connection on the air conduit.

Furthermore, the hinge fixing rod and the sleeve connecting end are provided with external threads, a groove is formed in the outer cylindrical surface of the positioning ring and is uniformly distributed, through holes are formed in the outer cylindrical surface of the sleeve and are uniformly distributed, a threaded groove is formed in the center of the gear, one smooth end of the hinge fixing rod is arranged in the groove, one end of the hinge fixing rod with the external threads penetrates through the through holes and is fixedly matched with the threaded groove, and the rotation direction of the gear is opposite to that of the external threads.

Furthermore, the rotational flow blades are sector-shaped, the rotational flow blades and the blade fixing rods are welded and fixed, the number of the rotational flow blades is multiple, and the rotational flow blades are uniformly distributed in a cavity formed by the sleeve and the positioning ring.

Furthermore, the number of the swirl blades is 10, and the angle of the swirl blades changes along with the rotation of the gear.

Furthermore, the nozzle comprises a shell, a gas burner is arranged at the center of the shell, an air outlet hole is formed in the middle of the shell and the gas burner, and a stop block is arranged in the air outlet hole.

Furthermore, the spray head is in a cone frustum shape, the large circular surface of the spray head is connected with the outer surface of the air pipeline, and the small circular surface of the spray head is connected with the hearth.

Further, the gas burner is connected with the inner surface of the shell through a connecting sheet.

Furthermore, a gas valve is arranged on the gas joint and used for controlling gas flow, and an air valve is arranged on the air joint and used for controlling air flow.

Furthermore, the outer surface of the air pipeline is provided with a connecting device and a pressure measuring joint, and the connecting device is a flange plate.

Further, the fuel gas comprises one or more of liquefied gas, natural gas, coke oven gas, city gas, mixed gas, converter gas, generator gas and blast furnace gas.

The utility model has the advantages and positive effects that:

1. the utility model discloses a cooperation of gas valve and air valve can carry out the arbitrary proportion's of air and gas mixture, realizes the exchange of flame size, has improved the work efficiency of burning torch, has increased application scope, through setting up the whirl flame stabilizer, can strengthen the mixture of air and gas, has improved combustion efficiency, keeps flame stable.

2. The utility model discloses a swirl flame holder passes through the rack and pinion cooperation, realizes the arbitrary change of swirl flame holder air distribution whirl angle, has avoided the inconvenience that the dismouting brought that need stop when changing of flame holder, and swirl page piece swing joint can increase wantonly, reduce swirl page piece quantity, uses in a flexible way, and the range of application is wide, is fit for popularizing and applying.

3. The utility model discloses a shower nozzle design is coniform, has simple structure, and the injection fineness is high, and operating pressure is low, and hierarchical precision advantage such as high is through setting up the dog in the venthole for the dog is convenient for block and the mixed gas flow velocity in the regulating point firearm shower nozzle, and the mixed gas that makes in the firearm shower nozzle distributes more evenly, has effectively improved the stability of flame, is difficult to flame-out. Meanwhile, the baffle block enables the air flow path in the air outlet to be narrowed, so that the spraying effect of the nozzle of the ignition gun is improved, and the combustion temperature is higher.

4. The utility model discloses a ring flange is connected with the combustor, and it is convenient to dismantle, the maintenance clearance of being convenient for, the low price, low in production cost, convenient to popularize and apply.

Drawings

Fig. 1 is a front sectional view of an embodiment of the present invention.

Fig. 2 is a left side view of an embodiment of the present invention.

Fig. 3 is a schematic view of the overall structure of the swirling flame holder according to the embodiment of the present invention.

Fig. 4 is a schematic view of an assembly structure of the swirl vane, the sleeve and the positioning ring according to the embodiment of the present invention.

Fig. 5 is a front sectional view of a showerhead according to an embodiment of the present invention.

Fig. 6 is a right side view of a sprinkler according to an embodiment of the present invention.

In the figure:

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 and 2, an ignition gun for a burner comprises a gas pipeline 6, wherein an air pipeline 5 is sleeved on the outer surface of the gas pipeline 6, one end of the air pipeline 5 is communicated with one end of the gas pipeline 6 through an ignition electrode 1, the inner surface of the other end of the air pipeline 5 is communicated with the other end of the gas pipeline 6 through a rotational flow flame stabilizer 7, the outer surface of the other end of the air pipeline 5 is communicated with a hearth through a spray head 8, a gas joint 2 is arranged on the gas pipeline 6, and an air joint 3 is arranged on the air pipeline.

The cooperation of gas pipeline 6 and air conduit 5 is passed through to this embodiment, realizes the mixture of air and gas, realizes the burning torch and igniteed, through setting up whirl flame stabilizer 7, can strengthen the mixture of air and gas, has improved combustion efficiency, keeps flame stable.

Specifically, as shown in fig. 3 and 4, the swirling flame holder 7 provided in this embodiment includes a sleeve 9, a positioning ring 10 is disposed at a center of the sleeve 9, and a plurality of sets of swirling vanes 11 are movably disposed between the sleeve 9 and the positioning ring 10. The outer surface of the sleeve 9 is provided with an annular rack 12, and the sleeve 9 is coaxial with the positioning ring 10 and the annular rack 12 respectively. The cyclone leaf 11 is arranged on a leaf fixing rod 13, one end of the leaf fixing rod 13 is movably connected with a positioning ring 10, the other end of the leaf fixing rod 13 penetrates through a sleeve 9 and is movably connected with a gear 14, the gear 14 is meshed with an annular rack 12, the sleeve 9 is communicated with the tail end of an air pipeline 5, and the positioning ring 10 is communicated with the tail end of a gas pipeline 6.

The cyclone flame holder 7 of the embodiment is matched with the annular rack 12 through the gear 14, so that the air distribution cyclone angle of the cyclone flame holder 7 can be changed randomly, and the inconvenience caused by the fact that the cyclone flame holder 7 needs to be stopped for dismounting during replacement is avoided. The swirl vanes 11 are movably connected, the number of the swirl vanes 11 can be increased and reduced at will, the use is flexible, the application range is wide, and the device is suitable for popularization and application.

Specifically, the swirl vanes 11 are fan-shaped, the swirl vanes 11 are welded and fixed with the vane fixing rod 13, the swirl vanes 11 are multiple, and the multiple swirl vanes 11 are uniformly distributed in a cavity formed by the sleeve 9 and the positioning ring 10. The connection end of the leaf fixing rod 13 and the sleeve 9 is provided with an external thread, the outer cylindrical surface of the positioning ring 10 is provided with a groove 15, and the plurality of grooves 15 are uniformly distributed. Through holes 16 are formed in the outer cylindrical surface of the sleeve 9, the through holes 16 are evenly distributed, a threaded groove 17 is formed in the center of the gear 14, the smooth end of the blade fixing rod 13 is arranged in the groove 15, and the end, with the external threads, of the blade fixing rod 13 penetrates through the through holes 16 and is fixedly matched with the threaded groove 17. The gear 14 rotates in the opposite direction to the external thread. The number of the swirl vanes 11 can be reasonably selected according to specific conditions, the number of the swirl vanes 11 provided by the embodiment is 10, the angle of the swirl vanes 11 changes along with the rotation of the gear 14, and the angle of the swirl vanes 11 can be reasonably selected according to specific conditions.

Specifically, the shower nozzle 8 that this embodiment provided is the circular truncated cone form, and 8 big circular surfaces of shower nozzle connect 5 surfaces of air duct, and 8 little circular surfaces of shower nozzle connect furnace. The spraying fineness of the spray head 8 is high, the operation pressure is low, and the grading precision is high. As shown in fig. 5 and 6, the nozzle 8 includes a housing 18, a gas burner 19 is provided in a central portion of the housing 18, and the gas burner 19 is connected to an inner surface of the housing 18 by a connecting piece 20. An air outlet hole 21 is arranged between the outer shell 18 and the gas burner 19, and a stop block 22 is arranged in the air outlet hole 21. Through set up dog 22 in venthole 21 for dog 22 is convenient for block and the gas mixture flow velocity in the regulation ignition gun shower nozzle 8, makes the gas mixture distribution in the ignition gun shower nozzle 8 more even, has effectively improved the stability of flame, is difficult to flame-out. Meanwhile, the stopper 22 narrows the air flow path in the air outlet 21, thereby improving the spraying effect of the burning torch head 8 and making the combustion temperature higher.

The air pipe 5 of this embodiment is provided with a connection device 4 and a pressure measuring connector 23 on the outer surface, and preferably, the connection device 4 is a flange. The flange plate is connected with the burner, so that the burner is convenient to disassemble, maintain and clean, low in price, low in production cost and convenient to popularize and apply. The pressure measuring connector 23 is connected with a pressure measuring device, so that the air pressure in the pipeline can be effectively mastered, the air pressure is effectively controlled, and the flame stability is improved.

Specifically, a gas valve is arranged on the gas joint 2 and used for controlling gas flow, and an air valve is arranged on the air joint 3 and used for controlling air flow. The cooperation of gas valve and air valve is passed through to this embodiment, can carry out the arbitrary proportion's of air and gas mixture, realizes the interchange of flame size, has improved the work efficiency of burning torch, has increased application scope. The fuel gas comprises one or more of liquefied gas, natural gas, coke oven gas, city gas, mixed gas, converter gas, generator gas and blast furnace gas.

The utility model discloses a theory of operation is:

the gas valve and the air valve are opened, gas flows out through the gas pipeline 6, air flows out through the air pipeline 5, the gas and the air are mixed in a swirling mode through the swirling flame stabilizer 7, enter the shell 18 of the spray head 8, are ignited by the ignition electrode 1 through the air outlet 21 and then are sprayed out through the gas nozzle 19, the gas valve and the air valve are adjusted, the gas flow of each pipeline is controlled, and meanwhile, the swirling angle of the swirling vanes 11 is adjusted, so that the condition of burning flame in the spray head 8 is controlled, and required flame is adjusted.

The utility model has the advantages and positive effects that:

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. An ignition gun for a burner, characterized in that: comprises a gas pipeline, an air pipeline is sleeved on the outer surface of the gas pipeline, one end of the air pipeline is communicated with one end of the gas pipeline through an ignition electrode, the inner surface of the other end of the air pipeline is communicated with the other end of the gas pipeline through a rotational flow flame stabilizer, the outer surface of the other end of the air pipeline is communicated with a hearth through a spray head, the rotational flow flame stabilizer comprises a sleeve, a positioning ring is arranged at the center of the sleeve, a plurality of groups of rotational flow blades are movably arranged between the sleeve and the positioning ring, the outer surface of the sleeve is provided with an annular rack, the sleeve is respectively coaxial with the positioning ring and the annular rack, the rotational flow blades are arranged on a blade fixing rod, one end of the blade fixing rod is movably connected with the positioning ring, the other end of the blade fixing rod, the sleeve pipe intercommunication air conduit is terminal, the holding ring intercommunication gas conduit is terminal, be equipped with gas connection on the gas conduit, be equipped with air connection on the air conduit.

2. The ignition gun for a burner as claimed in claim 1, wherein: the hinge fixing rod is provided with an external thread at the end connected with the sleeve, a groove is formed in the outer cylindrical surface of the positioning ring, the grooves are uniformly distributed, through holes are formed in the outer cylindrical surface of the sleeve and are uniformly distributed, a threaded groove is formed in the center of the gear, one smooth end of the hinge fixing rod is arranged in the groove, one end of the hinge fixing rod with the external thread penetrates through the through holes and is fixedly matched with the threaded groove, and the rotation direction of the gear is opposite to the direction of the external thread.

3. An ignition gun for a burner as claimed in claim 1 or 2, wherein: the cyclone vanes are in a fan shape and are welded and fixed with the vane fixing rods, the number of the cyclone vanes is multiple, and the plurality of the cyclone vanes are uniformly distributed in a cavity formed by the sleeve and the positioning ring.

4. A burning torch for a burner as set forth in claim 3, wherein: the number of the swirl blades is 10, and the angle of the swirl blades changes along with the rotation of the gear.

5. An ignition gun for a burner as claimed in claim 1, 2 or 4, wherein: the sprayer comprises a shell, a gas burner is arranged at the center of the shell, an air outlet hole is formed in the middle of the shell and the gas burner, and a stop block is arranged in the air outlet hole.

6. An ignition gun for a burner as defined in claim 5, wherein: the spray head is in a cone frustum shape, the large circular surface of the spray head is connected with the outer surface of the air pipeline, and the small circular surface of the spray head is connected with the hearth.

7. An ignition gun for a burner as defined in claim 5, wherein: the gas burner is connected with the inner surface of the shell through a connecting sheet.

8. An ignition gun for a burner as claimed in claim 1, 2, 4, 6 or 7, wherein: the gas joint is provided with a gas valve for controlling gas flow, and the air joint is provided with an air valve for controlling air flow.

9. An ignition gun for a burner as claimed in claim 1, 2, 4, 6 or 7, wherein: the outer surface of the air pipeline is provided with a connecting device and a pressure measuring joint, and the connecting device is a flange plate.

10. An ignition gun for a burner as claimed in claim 1, 2, 4, 6 or 7, wherein: the fuel gas comprises one or more of liquefied gas, natural gas, coke oven gas, city gas, mixed gas, converter gas, generator gas and blast furnace gas.