Gas burner with anti-backfire function

Abstract

The utility model discloses a gas burner with an anti-backfire function, which comprises a burner main body, the front end of the burner main body is fixedly connected with a burning sleeve, the end face of the front end of the burning sleeve is provided with a connecting port, a burning head is sleeved in the connecting port, the end face of the front end of the burning head is fixedly connected with a burning conical head, and the burning conical head is fixedly connected with the burner main body. The combustion conical head and the combustion head are designed to be of an integrated structure. In combination with the structural design of the gas burner, the anti-backfire function of the gas burner is increased by arranging the burning conical head, and the problems proposed in the background technology are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas combustor technical field, concretely is a kind of gas combustor with anti-backfire function. BACKGROUND

[0002] Gas combustor is divided into natural gas combustor and city gas combustor etc., it is a kind of equipment that material is converted heat energy by this chemical reaction mode of burning, i.e. air and fuel are mixed by premixing device according to appropriate proportion to make it burn sufficiently, fuel and air are sent into hearth according to required concentration, speed, turbulence and mixing mode, and fuel can be stably ignited and burned in hearth, fuel is mainly fuel oil and gas, generally used on small and medium-sized boiler, gas combustor is mainly composed of air supply system, ignition system and detection system.

[0003] The existing combustion head has poor shunting capacity during use, which causes backfire phenomenon during use, thereby affecting the normal use of gas combustor. SUMMARY

[0004] The utility model discloses a kind of gas combustors with anti-backfire function, to solve the shunting capacity of the existing combustion head mentioned in the above background art during use is poor, which causes backfire phenomenon during use, thereby affecting the normal use of gas combustor.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of gas combustor with anti-backfire function, including combustor main body, the combustor main body front end is fixedly connected with combustion sleeve, the combustion sleeve front end end face is equipped with connecting port, the connecting port is sleeved with combustion head, the combustion head front end end face is fixedly connected with combustion cone head, and the combustion cone head and combustion head are integrally structured design.

[0006] Preferably, the combustion sleeve front end surface is equipped with chamfer portion, and the chamfer portion surface is equipped with fixed port.

[0007] Preferably, the combustion head includes first connecting cylinder and second connecting cylinder, the first connecting cylinder rear end is fixedly connected with second connecting cylinder, and the second connecting cylinder is located in combustion sleeve.

[0008] Preferably, the combustor main body front end is fixedly connected with ignition needle, and the ignition needle extends to fixed port along combustion sleeve inner wall.

[0009] Preferably, the first connecting cylinder and second connecting cylinder are integrally structured design, the first connecting cylinder and second connecting cylinder are equipped with welding groove at connecting place, and the welding groove is connected and fixed by welding mode with connecting port.

[0010] Preferably, the first connecting barrel, the combustion cone head and the chamfered portion are provided with the flow guide openings. Advantages

[0011] Compared with the prior art, the present application has the advantages of:

[0012] According to the structural design of the present application, the combustion cone head is arranged to increase the anti-backfire function of the gas burner, effectively solving the problems in the background art. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the overall structure of the present application;

[0014] Fig. 2 is a schematic diagram of the exploded structure of the combustion sleeve and the combustion head of the present application.

[0015] The correspondence between the annotations of the various drawings and the component names in the drawings is as follows:

[0016] 1. Burner body; 2. Combustion sleeve; 3. Combustion head; 4. Combustion cone head; 5. Ignition needle; 6. Flow guide opening;

[0017] 21. Connecting port; 22. Chamfered portion; 23. Fixed port; 31. First connecting barrel; 32. Second connecting barrel;

[0018] 33. Welding groove; DETAILED DESCRIPTION

[0019] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it is not understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0021] For example, Figs. 1-2It is a preferred embodiment of the utility model a structure diagram of gas combustor with anti-backfire function, in this embodiment a kind of gas combustor with anti-backfire function, including combustor main body 1, combustor main body 1 front end is fixedly connected with combustion sleeve 2, combustion sleeve 2 front end face is equipped with connecting port 21, connecting port 21 is sleeved with combustion head 3, combustion head 3 front end face is fixedly connected with combustion cone head 4, by setting combustion cone head 4, to increase the anti-backfire function of gas combustor, effectively solve the problem proposed in background art, and combustion cone head 4 and combustion head 3 are integrally structured design, to improve the connection strength between combustion cone head 4 and combustion head 3.

[0022] In this embodiment, the combustion sleeve 2 front end surface is equipped with chamfer portion 22, chamfer portion 22 surface is equipped with fixed port 23, combustion head 3 includes first connecting cylinder 31 and second connecting cylinder 32, first connecting cylinder 31 rear end is fixedly connected with second connecting cylinder 32, and second connecting cylinder 32 is located in combustion sleeve 2, and combustor main body 1 front end is fixedly connected with igniter pin 5, and igniter pin 5 extends to fixed port 23 along the inner wall of combustion sleeve 2, this structure design, to play the role of shunt, while the built-in design of igniter pin 5, to improve the durability and service life of igniter pin 5, effectively solve the problem proposed in background art.

[0023] In this embodiment, the first connecting cylinder 31 and the second connecting cylinder 32 are integrally structured, and the first connecting cylinder 31 and the second connecting cylinder 32 are connected and equipped with a welding groove 33, and the welding groove 33 is connected and fixed with the connecting port 21 by welding. By setting the welding groove 33, the purpose of convenient welding can be achieved, and the possibility of false welding is reduced.

[0024] In this embodiment, the first connecting cylinder 31, the combustion cone head 4 and the chamfer portion 22 are equipped with a drainage port 6 on the surface. This structure design plays a role in guiding air and also allows the flame to blow forward, reducing the occurrence of backflow.

[0025] The above content is further detailed in conjunction with the specific embodiments of the utility model, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be considered as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A gas burner with anti-backfire function, comprising a burner body (1), characterized in that: The burner body (1) is fixedly connected to a combustion sleeve (2) at the front end. The combustion sleeve (2) has a connection port (21) on its front end face. A combustion head (3) is sleeved inside the connection port (21). A combustion cone (4) is fixedly connected to the front end face of the combustion head (3). The combustion cone (4) and the combustion head (3) are designed as an integral structure.

2. A gas burner with anti-backfire function according to claim 1, characterized in that: The front end surface of the combustion sleeve (2) is provided with a chamfered part (22), and the surface of the chamfered part (22) is provided with a fixing opening (23).

3. A gas burner with anti-backfire function according to claim 1, characterized in that: The burner head (3) includes a first connecting cylinder (31) and a second connecting cylinder (32). The second connecting cylinder (32) is fixedly connected to the rear end of the first connecting cylinder (31), and the second connecting cylinder (32) is located inside the burner sleeve (2).

4. A gas burner with anti-backfire function according to claim 1, characterized in that: The burner body (1) is fixedly connected to an ignition needle (5) at its front end, and the ignition needle (5) extends along the inner wall of the combustion sleeve (2) to the fixed port (23).

5. A gas burner with anti-backfire function according to claim 3, characterized in that: The first connecting cylinder (31) and the second connecting cylinder (32) are designed as an integral structure. A welding groove (33) is provided at the connection between the first connecting cylinder (31) and the second connecting cylinder (32), and the welding groove (33) and the connection port (21) are connected and fixed by welding.

6. A gas burner with anti-backfire function according to claim 3, characterized in that: The first connecting cylinder (31), the combustion cone (4) and the chamfered part (22) are provided with drainage ports (6).

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