Annular rotational flow air inlet combustion chamber suitable for fuel gas

Abstract

The utility model relates to the technical field of combustion chambers, in particular to an annular rotational flow air inlet combustion chamber suitable for fuel gas, which comprises a combustion chamber body, a mounting fixing plate fixed on the surface of the combustion chamber body, an ignition plug fixing nozzle arranged on the surface of the combustion chamber body, and an ignition combustion-supporting hole arranged on the surface of the ignition plug fixing nozzle. A powerful combustion-supporting hole and a combustion-supporting hole are formed in the end of the combustion chamber body, an air guide plate is arranged outside the powerful combustion-supporting hole and the combustion-supporting hole, and an air inlet pipe is connected to the surface of the ignition plug fixing nozzle. The combustion atomizing chamber has the advantages that the main body of the combustion atomizing chamber is of a tailor-welded structure, the structure is simple, the weight is light, and the cost is low; the air inlet mode is changed through the air guide plate to form annular rotational flow air inlet, then the combustion flame mode is changed, and the combustion efficiency and the combustion heat value are improved.

Description

Technical Field

[0001] This utility model relates to the field of combustion chamber technology, specifically to an annular swirl-flow combustion chamber suitable for natural gas. Background Technology

[0002] A combustion chamber is a device in which fuel or propellant burns to generate high-temperature combustion gases. It is a combustion device made of high-temperature resistant alloy materials, and the fuel burns in this chamber.

[0003] However, the existing combustion atomization chamber is a die-cast one-piece structure, which is complex, heavier, and more expensive. Utility Model Content

[0004] The purpose of this invention is to provide an annular swirl-flow combustion chamber suitable for natural gas, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an annular swirl-flow combustion chamber suitable for natural gas, comprising:

[0006] The combustion chamber body has a mounting plate fixed to its surface. An ignition plug fixing nozzle is provided on the surface of the combustion chamber body. An ignition and combustion-supporting hole is opened on the surface of the ignition plug fixing nozzle. A powerful combustion-supporting hole and a combustion-supporting hole are opened at the end of the combustion chamber body. An air guide plate is provided outside the powerful combustion-supporting hole and the combustion-supporting hole. An air intake pipe is connected to the surface of the ignition plug fixing nozzle.

[0007] Preferably, the combustion chamber body has a combustion chamber inside, a sintered felt is provided in the combustion chamber, and the end of the air intake pipe is connected to the air supply pipe.

[0008] Preferably, the ignition plug fixing nozzle is provided with an atomizing mesh inside, and the inner wall of the ignition plug fixing nozzle is provided with an air guide groove.

[0009] Preferably, the sintering felt is disposed on the inner wall of the combustion chamber.

[0010] Preferably, the atomizing mesh is disposed on the inner wall of the ignition plug fixing nozzle.

[0011] Preferably, an ignition plug is provided in the ignition plug fixing nozzle.

[0012] Preferably, the combustion-supporting hole has multiple sets of holes inside, and the inside of the combustion-supporting hole communicates with the inside of the combustion chamber.

[0013] Preferably, multiple sets of powerful combustion-supporting holes are provided, which allow the combustion chamber to communicate with the outside.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The combustion atomization chamber proposed in this invention has a welded structure, which is simple in structure, lightweight, and low in cost.

[0016] By changing the air intake method through the air guide plate to form an annular swirling air intake, the combustion flame shape is changed, thereby increasing combustion efficiency and calorific value. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the present invention.

[0019] Figure 3 This is a cross-sectional view of the present invention from another perspective.

[0020] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0021] In the diagram: 1. Combustion chamber body; 2. Ignition plug fixing nozzle; 3. Ignition and combustion aid hole; 4. Air guide plate; 5. Sintered felt; 6. Air intake pipe; 8. Atomizing net; 9. Air guide groove; 10. Powerful combustion aid hole; 11. Combustion aid hole; 12. Mounting and fixing plate; 13. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Please see Figures 1 to 4 This utility model provides a technical solution: an annular swirl-flow combustion chamber suitable for natural gas, comprising:

[0024] The combustion chamber body 2 has a mounting plate 13 fixed to its surface. An ignition plug fixing nozzle 3 is provided on the surface of the combustion chamber body 2. An atomizing mesh 9 is provided inside the ignition plug fixing nozzle 3, and the atomizing mesh 9 is located on the inner wall of the ignition plug fixing nozzle 3. An ignition plug is installed in the ignition plug fixing nozzle 3. A gas guide groove 10 is formed on the inner wall of the ignition plug fixing nozzle 3. An ignition and combustion-supporting hole 4 is formed on the surface of the ignition plug fixing nozzle 3. A powerful combustion-supporting hole 11 and a combustion-supporting hole 12 are formed at the end of the combustion chamber body 2. Multiple sets of holes are opened inside the hole 12. The interior of the combustion hole 12 is connected to the interior of the combustion chamber 1. Multiple sets of powerful combustion holes 11 are provided, which connect the combustion chamber 1 to the outside. A guide plate 5 is provided on the outside of the powerful combustion holes 11 and the combustion hole 12. An air inlet pipe 8 is connected to the surface of the ignition plug fixing nozzle 3. The combustion chamber 1 is opened inside the combustion chamber body 2. A sintered felt 6 is provided in the combustion chamber 1. The sintered felt 6 is provided on the inner wall of the combustion chamber 1. The end of the air inlet pipe 8 is connected to the air supply pipe.

[0025] The ignition plug is installed on the combustion chamber body 2 via the ignition plug fixing nozzle 3. The air intake pipe 8 is connected to the air supply pipe. Fresh air is sent into the combustion chamber 1 through the powerful combustion hole 11 and combustion hole 12 after the air intake method is changed by the air guide plate 5 to provide sufficient oxygen. Then, natural gas is transported to the air guide groove 10 through the air intake pipe 8 and atomized by the atomizing net 9 and sintered felt 6. It is fully mixed with the air entering through the ignition combustion hole 4. At this time, the ignition plug generates high temperature and ignites the mixed gas and air to form a flame, which burns in the combustion chamber.

[0026] Although the illustrative specific embodiments of this application have been described above to enable those skilled in the art to understand this application, this application is not limited to the scope of the specific embodiments. For those skilled in the art, all applications utilizing the concept of this application are protected as long as various variations are within the spirit and scope of this application as defined and determined by the appended claims.

Claims

1. An annular swirl-flow combustion chamber suitable for natural gas, characterized in that: include: Combustion chamber body (2), mounting plate (13) is fixed on the surface of combustion chamber body (2), ignition plug fixing nozzle (3) is provided on the surface of combustion chamber body (2), ignition and combustion-supporting hole (4) is opened on the surface of ignition plug fixing nozzle (3), high-power combustion-supporting hole (11) and combustion-supporting hole (12) are opened at the end of combustion chamber body (2), air guide plate (5) is provided on the outside of high-power combustion-supporting hole (11) and combustion-supporting hole (12), and air intake pipe (8) is connected to the surface of ignition plug fixing nozzle (3).

2. The annular swirl-flow combustion chamber for natural gas according to claim 1, characterized in that: The combustion chamber body (2) has a combustion chamber (1) inside, and a sintered felt (6) is provided in the combustion chamber (1). The end of the air inlet pipe (8) is connected to the air supply pipe.

3. The annular swirl-flow combustion chamber for natural gas according to claim 2, characterized in that: The ignition plug fixing nozzle (3) is provided with an atomizing mesh (9) inside, and an air guide groove (10) is provided on the inner wall of the ignition plug fixing nozzle (3).

4. The annular swirl-flow combustion chamber for natural gas according to claim 3, characterized in that: The sintering felt (6) is disposed on the inner wall of the combustion chamber (1).

5. The annular swirl-flow combustion chamber for natural gas according to claim 4, characterized in that: The atomizing mesh (9) is set on the inner wall of the ignition plug fixing nozzle (3).

6. The annular swirl-flow combustion chamber for natural gas according to claim 5, characterized in that: An ignition plug is provided in the ignition plug fixing nozzle (3).

7. The annular swirl-flow combustion chamber for natural gas according to claim 6, characterized in that: The combustion-supporting hole (12) has multiple sets of holes inside, and the inside of the combustion-supporting hole (12) is connected to the inside of the combustion chamber (1).

8. The annular swirl-flow combustion chamber for natural gas according to claim 7, characterized in that: Multiple sets of powerful combustion-supporting holes (11) are provided, which enable the combustion chamber (1) to communicate with the outside.

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