CN216693515U

CN216693515U - Spray gun device for low-nitrogen burner

Info

Publication number: CN216693515U
Application number: CN202220280411.0U
Authority: CN
Inventors: 商天彦; 侯运霞; 宋沅芫; 郑会
Original assignee: Hebei Xuanxuan Technology Co ltd
Current assignee: Hebei Xuanxuan Technology Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-07
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a spray gun device for a low-nitrogen burner, which comprises a shell, wherein a fuel oil pipe is arranged in the shell, an oil inlet pipe is communicated with the center of one end of the shell, the oil inlet pipe extends into the shell and is communicated with the fuel oil pipe, a nozzle is arranged at one end of the fuel oil pipe, which is far away from the oil inlet pipe, an atomizing air pipe is arranged at one end of the side wall of the shell, which is close to the oil inlet pipe, the atomizing air pipe extends into the shell and is communicated with the side wall of the fuel oil pipe, a first heating coating is arranged at one end of the atomizing air pipe, which extends out of the shell, a second heating coating is arranged at one end of the oil inlet pipe, which is positioned outside the shell, and an ultrasonic atomizer is arranged on the outer side wall of the fuel oil pipe and between the atomizing air pipe and the nozzle. The starting and stopping of the heating coating are controlled by an external controller, so that the aim of temperature control is fulfilled.

Description

Spray gun device for low-nitrogen burner

Technical Field

The utility model relates to the field of low-nitrogen burners, in particular to a spray gun device for a low-nitrogen burner.

Background

Industrial burners are commonly called as burners, and burners are needed in industrial occasions where fuel needs to be burned to heat materials or react, at present, most of the existing industrial boilers or kilns in China use fuel oil spray guns, the existing fuel oil spray guns can adjust the oil pressure of the fuel oil guns and adjust the fuel oil quantity according to the load change of the kilns, but the atomization effect of the fuel sprayed by the existing fuel oil spray guns is not good, and the fuel combustion atmosphere is not uniform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a spray gun device for a low-nitrogen burner, which aims to solve various problems.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a spray gun device for low-nitrogen burner, includes the casing, the inside fuel pipe that is equipped with of casing, casing one end center intercommunication is equipped with into oil pipe, advance oil pipe and stretch into the inside and fuel pipe intercommunication of casing, the one end that advances oil pipe was kept away from to fuel pipe is equipped with the nozzle, the one end that advances oil pipe was kept away from to the casing is equipped with the spout, the one end that is close to on the casing lateral wall and advances oil pipe is equipped with the atomizing trachea, the atomizing trachea stretches into the casing inside and fires oil pipe lateral wall intercommunication, the atomizing trachea stretches out one of casing and serves and be equipped with first heating capsule, it is equipped with the second heating capsule to advance oil pipe and be located one of casing outside, it just is equipped with the ultrasonic atomization ware to be located between atomizing trachea and the nozzle to fire oil pipe lateral wall.

As an improvement, the number of the ultrasonic atomizers is two, and the two ultrasonic atomizers are respectively arranged on the upper side wall and the lower side wall of the fuel pipe.

As an improvement, a baffle ring is arranged inside the shell and between the ultrasonic atomizer and the nozzle.

As an improvement, a first temperature sensor is arranged on the side wall of one end, located inside the shell, of the atomization air pipe.

As an improvement, one end of the side wall of the fuel oil pipe, which is close to the oil inlet pipe, is provided with a second temperature sensor.

Compared with the prior art, the utility model has the advantages that: the fuel oil atomizer is further provided with an ultrasonic atomizer for carrying out secondary atomization on the fuel oil and the atomized gas, the temperature sensor is arranged for sensing the temperatures of the atomized gas and the fuel oil in real time, and the external controller is used for controlling the start and stop of the heating coating, so that the purpose of temperature control is achieved.

Drawings

FIG. 1 is a schematic front view of a lance apparatus for a low-nitrogen burner according to the present invention.

As shown in the figure: 1. a housing; 2. a fuel pipe; 3. an oil inlet pipe; 4. a nozzle; 5. an ejection port; 6. an atomizing air pipe; 7. first heating coating; 8. a second heat coating; 9. an ultrasonic atomizer; 10. a baffle ring; 11. a first temperature sensor; 12. a second temperature sensor.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "provided", "mounted", "connected", and the like are used in a broad sense and are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or intercommunicated between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail with reference to the accompanying drawings.

Combine accompanying figure 1, a spray gun device for low nitrogen combustor, including casing 1, 1 inside fuel pipe 2 that is equipped with of casing, 1 one end center intercommunication of casing is equipped with into oil pipe 3, it stretches into 1 inside and the fuel pipe 2 intercommunication of casing to advance oil pipe 3, the one end that fuel pipe 2 kept away from into oil pipe 3 is equipped with nozzle 4, 1 one end of keeping away from into oil pipe 3 of casing is equipped with spout 5, the one end that is close to into oil pipe 3 on 1 lateral wall of casing is equipped with atomizing trachea 6, atomizing trachea 6 stretches into 1 inside and the fuel pipe 2 lateral walls intercommunication of casing, atomizing trachea 6 stretches out one of casing 1 and serves and is equipped with first heating capsule 7, it is equipped with second heating capsule 8 to advance oil pipe 3 to be located one of 1 outside of casing, it just is equipped with ultrasonic atomization ware 9 to be located between atomizing trachea 6 and the nozzle 4 to fire oil pipe 2 lateral walls.

The utility model discloses a fuel pipe, including shell 1, ultrasonic atomizer 9, nozzle 4, atomizing trachea 6, fuel pipe 2, lateral wall about 9, and locate respectively and fire oil pipe 2, 1 is inside and is located to be equipped with between ultrasonic atomizer 9 and the nozzle 4 and keeps off ring 10, atomizing trachea 6 is located and is equipped with first temperature sensor 11 on the inside one end lateral wall of shell, the one end that 2 lateral walls of fuel pipe are close to into oil pipe 3 is equipped with second temperature sensor 12.

The specific implementation mode of the utility model is as follows: when the fuel oil heating device is used, fuel oil enters the fuel oil pipe 2 from the oil inlet pipe 3, atomized gas enters the fuel oil pipe 2 through the atomized gas pipe 6, the first heating coating 7 and the second heating coating 8 are started, meanwhile, the atomized gas and the fuel oil are heated, the heated atomized gas and the fuel oil are atomized for the first time after contacting, then atomized for the second time through the ultrasonic atomizer 9 and sprayed out through the nozzle 4, the baffle ring 10 blocks heat generated during combustion from flowing back, the ultrasonic atomizer 9 is protected, the first temperature sensor 11 and the second temperature sensor 12 are both connected with an external temperature controller, and the starting and stopping of the heating coatings are controlled through the external temperature controller, so that the temperature control purpose is achieved.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.

Claims

1. A spray gun device for a low-nitrogen burner comprises a shell (1), and is characterized in that: a fuel pipe (2) is arranged inside the shell (1), an oil inlet pipe (3) is communicated with the center of one end of the shell (1), the oil inlet pipe (3) extends into the shell (1) and is communicated with the fuel pipe (2), a nozzle (4) is arranged at one end of the fuel pipe (2) far away from the oil inlet pipe (3), a spray opening (5) is arranged at one end of the shell (1) far away from the oil inlet pipe (3), an atomizing air pipe (6) is arranged at one end of the side wall of the shell (1) close to the oil inlet pipe (3), the atomization air pipe (6) extends into the shell (1) and is communicated with the side wall of the fuel oil pipe (2), one end of the atomizing air pipe (6) extending out of the shell (1) is provided with a first heating coating (7), one end of the oil inlet pipe (3) positioned outside the shell (1) is provided with a second heating coating (8), and an ultrasonic atomizer (9) is arranged on the outer side wall of the fuel pipe (2) and between the atomizing air pipe (6) and the nozzle (4).

2. The lance apparatus for a low-nitrogen combustor according to claim 1, wherein: the number of the ultrasonic atomizers (9) is two, and the two ultrasonic atomizers are respectively arranged on the upper side wall and the lower side wall of the fuel pipe (2).

3. The lance apparatus for a low-nitrogen combustor as claimed in claim 1, wherein: a baffle ring (10) is arranged in the shell (1) and between the ultrasonic atomizer (9) and the nozzle (4).

4. The lance apparatus for a low-nitrogen combustor according to claim 1, wherein: the atomizing air pipe (6) is arranged on one end side wall inside the shell (1) and is provided with a first temperature sensor (11).

5. The lance apparatus for a low-nitrogen combustor as claimed in claim 1, wherein: and a second temperature sensor (12) is arranged at one end of the side wall of the fuel pipe (2) close to the oil inlet pipe (3).