Combustion burner and combustor thereof

Abstract

The utility model relates to a combustion burner, which is characterized by comprising a first combustion part, a second combustion part, a connecting part for connecting the first combustion part and the second combustion part and a gas pipe, the gas pipe is used for receiving combustion gas conveyed by a combustor body, first combustion holes are distributed on the side surface of the first combustion part, and second combustion holes are distributed on the side surface of the second combustion part. Second combustion holes are distributed in the side face of the second combustion part, one end of the first combustion part is connected with the air pipe, and a sealing plate is arranged at the end, not connected with the connecting part, of the second combustion part. According to the novel combustion burner structure, the first combustion part and the second combustion part are arranged, the first combustion part and the second combustion part can impact each other in the combustion process, that is, secondary combustion can be achieved after surrounding fuel is fully mixed through the two combustion parts, and therefore emission of nitric oxide is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a combustion head and a burner thereof. Background Art

[0002] A burner is a device that sprays fuel and air in a specific pattern for mixed combustion. Burners are categorized by type and application into industrial burners, combustion engines, civilian burners, and specialty burners. They are often made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or titanium. The burner's function is to atomize the sample through flame combustion.

[0003] The combustion heads of existing burners are all provided with an air outlet on their end faces for ignition and combustion, and have only one combustion location. There is still room for improvement in their ability to fully burn. Summary of the Invention

[0004] The purpose of this utility model is to provide a combustion burner and a burner thereof to solve the above technical problems.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A combustion burner head, characterized in that it includes: a first combustion part, a second combustion part, a connecting part connecting the first combustion part and the second combustion part, and an air pipe, wherein the air pipe is used to receive the combustion gas delivered by the burner body, first combustion holes are distributed on the side of the first combustion part, second combustion holes are distributed on the side of the second combustion part, one end of the first combustion part is connected to the air pipe, and a sealing plate is provided on the end of the second combustion part not connected to the connecting part.

[0007] The present invention is further provided with that the inner diameter of the first combustion portion gradually decreases from the first end to the second end, wherein the first end is the end close to the air pipe, and the second end is the end connected to the connecting portion.

[0008] The present invention is further provided that the connecting portion is a straight cylindrical structure, and its inner diameter is consistent with the inner diameter of the second end.

[0009] The present invention is further provided that the second combustion part has an inner end connected to the connecting pipe, wherein the inner diameter of the inner end is consistent with the inner diameter of the connecting end.

[0010] The present invention is further provided that the second combustion portion has an outer end opposite to the inner end, the outer end is fixedly connected to the sealing plate, and the inner diameter of the outer end is consistent with the inner diameter of the connecting portion.

[0011] The present invention is further provided that the second combustion portion has an outer end opposite to the inner end, and the inner diameter of the second combustion portion gradually increases from the inner end to the outer end.

[0012] The present invention is further provided with the following configuration: the first combustion holes and the second combustion holes are distributed in a plurality of groups along their setting direction; the first combustion holes in each group are distributed on the side along their circumferential direction.

[0013] The utility model also provides a burner having the above-mentioned combustion head.

[0014] The beneficial effects of the present invention are as follows: the present invention proposes a new combustion head structure, which is provided with a first combustion part and a second combustion part. The first combustion part and the second combustion part will impact each other during the combustion process, that is, the two combustion parts are provided to achieve secondary combustion after sufficient mixing of the surrounding fuel, thereby reducing the emission of nitrogen oxides. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 This is a schematic structural diagram of Example 1 of the present utility model.

[0017] Figure 2 for Figure 1 Enlarged view of point B in the middle.

[0018] Figure 3 This is a structural diagram of Example 2 of the present utility model.

[0019] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0020] Reference numerals: 10, first combustion portion; 10a, first end; 10b, second end; 101, first combustion hole; 20, second combustion portion; 20a, inner end; 20b, outer end; 201, second combustion hole; 30, connecting portion; 40, gas pipe; 50, burner body; 60, sealing plate; DETAILED DESCRIPTION

[0021] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0022] Example 1:

[0023] like Figure 1-2As shown, this embodiment is a combustion burner head, comprising: a first combustion part 10, a second combustion part 20, a connecting part 30 connecting the first combustion part 10 and the second combustion part 20, and an air pipe 40. The first combustion part 10 is welded to the air pipe 40 and the connecting pipe respectively, and the second combustion part 20 is welded to the connecting pipe, wherein the air pipe 40 is used to receive the combustion gas delivered by the burner body 50. A first combustion hole 101 is distributed on the side of the first combustion part 10, and a second combustion hole 201 is distributed on the side of the second combustion part 20. One end of the first combustion part 10 is connected to the air pipe 40, and the end of the second combustion part 20 that is not connected to the connecting part 30 is provided with a sealing plate 60.

[0024] In this embodiment, the inner diameter of the first combustion portion 10 gradually decreases from the first end 10a to the second end 10b, wherein the first end 10a is the end close to the gas pipe 40, and the second end 10b is the end connected to the connecting portion 30.

[0025] In addition, the connecting part 30 is a straight cylindrical structure, and its inner diameter is consistent with the inner diameter of the second end 10b; the second combustion part 20 has an inner end 20a connected to the connecting pipe, wherein the inner diameter of the inner end 20a is consistent with the inner diameter of the connecting end; the second combustion part 20 has an outer end 20b opposite to the inner end 20a, and the outer end 20b is fixedly connected to the sealing plate 60, and the inner diameter of the outer end 20b is consistent with the inner diameter of the connecting part 30. In this embodiment, the connecting pipe and the second combustion part 20 are an integrally formed structure, wherein the sealing plate 60 can be connected to the outer end 20b by welding, or can be integrally formed with the second combustion part 20.

[0026] The first combustion holes 101 and the second combustion holes 201 are arranged in multiple groups along the direction in which they are set, and each group of first combustion holes 101 is distributed on the side along the circumference thereof. In addition, the shapes of the first combustion holes 101 and the second combustion holes 201 can be regular patterns, such as circular holes; or irregular patterns.

[0027] Example 2:

[0028] like Figure 3-4 As shown, this embodiment is a combustion burner head, comprising: a first combustion part 10, a second combustion part 20, a connecting part 30 connecting the first combustion part 10 and the second combustion part 20, and an air pipe 40. The first combustion part 10 is welded to the air pipe 40 and the connecting pipe respectively, and the second combustion part 20 is welded to the connecting pipe, wherein the air pipe 40 is used to receive the combustion gas delivered by the burner body 50. A first combustion hole 101 is distributed on the side of the first combustion part 10, and a second combustion hole 201 is distributed on the side of the second combustion part 20. One end of the first combustion part 10 is connected to the air pipe 40, and the end of the second combustion part 20 that is not connected to the connecting part 30 is provided with a sealing plate 60.

[0029] In this embodiment, the inner diameter of the first combustion section 10 gradually decreases from the first end 10a to the second end 10b, wherein the first end 10a is the end closest to the gas pipe 40, and the second end 10b is the end connected to the connecting section 30. Furthermore, the connecting section 30 is a straight cylindrical structure, and its inner diameter is consistent with the inner diameter of the second end 10b. The second combustion section 20 has an inner end 20a connected to the connecting tube, wherein the inner diameter of the inner end 20a is consistent with the inner diameter of the connecting end. The second combustion section 20 has an outer end 20b opposite the inner end 20a, and the inner diameter of the second combustion section 20 gradually increases from the inner end 20a to the outer end 20b.

[0030] Example 3:

[0031] refer to Figure 1 and Figure 3 , this embodiment provides a burner having the above-mentioned combustion head.

[0032] The utility model proposes a new combustion head structure, which is provided with a first combustion part and a second combustion part. The first combustion part and the second combustion part will impact each other during the combustion process. That is, the two combustion parts are provided to achieve secondary combustion after sufficient mixing of the surrounding fuel, thereby reducing the emission of nitrogen oxides.

[0033] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term and should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0034] It should be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0035] The above description shows and describes several preferred embodiments of the present invention. However, as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention through the above teachings or the technology or knowledge in the relevant field. Changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A combustion burner, characterized in that: include: A first combustion part, a second combustion part, a connecting part connecting the first combustion part and the second combustion part, and an air pipe, wherein the air pipe is used to receive the combustion gas delivered by the burner body, first combustion holes are distributed on the side of the first combustion part, second combustion holes are distributed on the side of the second combustion part, one end of the first combustion part is connected to the air pipe, and a sealing plate is provided on the end of the second combustion part that is not connected to the connecting part.

2. A combustion burner according to claim 1, characterized in that: The inner diameter of the first combustion portion gradually decreases from the first end to the second end, wherein the first end is the end close to the air pipe, and the second end is the end connected to the connecting portion.

3. A combustion burner according to claim 2, characterized in that: The connecting portion is a straight cylindrical structure, and its inner diameter is consistent with the inner diameter of the second end.

4. A combustion burner according to claim 3, characterized in that: The second combustion part has an inner end connected to the connecting pipe, wherein the inner diameter of the inner end is consistent with the inner diameter of the connecting end.

5. A combustion burner according to claim 4, characterized in that: The second combustion portion has an outer end opposite to the inner end, the outer end is fixedly connected to the sealing plate, and the inner diameter of the outer end is consistent with the inner diameter of the connecting portion.

6. A combustion burner according to claim 4, characterized in that: The second combustion portion has an outer end opposite to the inner end, and an inner diameter of the second combustion portion gradually increases from the inner end to the outer end.

7. A combustion burner according to claim 5 or 6, characterized in that: The first combustion holes and the second combustion holes are distributed in multiple groups along their setting direction, and each group of first combustion holes is distributed on the side along its circumferential direction.

8. A burner, characterized in that: The invention has a combustion burner head as claimed in any one of claims 1 to 7.

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