Central air inlet combustion chamber suitable for fuel oil
The design of a centrally located air-intake combustion chamber with a welded structure solves the problems of complex structure and heavy weight of existing combustion chambers, achieving lightweighting and cost reduction while improving combustion efficiency.
Patent Information
- Application Number
- CN202520472329.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing combustion chamber body is a die-cast one-piece structure, which is complex, heavy and costly.
The design features a centrally located, welded combustion chamber, including the combustion chamber body, ignition plug nozzle, combustion aid hole, and high-power combustion hole. It utilizes an atomizing mesh and sintered felt to improve combustion efficiency.
It achieves a combustion chamber with simple structure, light weight and low cost, smooth air intake for combustion, and high combustion efficiency.
Smart Images

Figure CN223965389U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of combustion chamber technology, specifically to a center-intake combustion chamber suitable for fuel oil. Background Technology
[0002] A combustion chamber is a device in which fuel or propellant burns to generate high-temperature gas. 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 a center-intake combustion chamber suitable for fuel oil, 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: a central air intake combustion chamber suitable for fuel oil, comprising:
[0006] A mounting plate is fixed to the surface of the combustion chamber body. An ignition plug fixing nozzle is opened on the surface of the combustion chamber body. An ignition and combustion aid hole is opened on the surface of the ignition plug fixing nozzle. A combustion aid hole is provided on one side of the combustion chamber body. A high-power combustion hole is opened at the end of the combustion chamber body. An oil inlet pipe is connected to the surface of the ignition plug fixing nozzle. An atomizing mesh is provided inside the ignition plug fixing nozzle. A sintered felt is provided inside the combustion chamber body.
[0007] Preferably, the combustion chamber body has a combustion chamber inside, the inside of the fuel inlet pipe is connected to the inside of the ignition plug fixing nozzle, and the other end of the fuel inlet pipe is connected to the fuel supply pipe.
[0008] Preferably, the combustion-supporting hole has multiple sets of holes inside, the combustion-supporting hole communicates with the combustion chamber through the holes, and multiple sets of powerful combustion holes are provided.
[0009] Preferably, the powerful combustion hole allows the combustion chamber to communicate with the outside, and air can enter the combustion chamber through the combustion-supporting hole and the powerful combustion hole.
[0010] Preferably, the sintering felt is disposed on the inner wall of the combustion chamber.
[0011] Preferably, the atomizing mesh is disposed on the inner wall of the ignition plug fixing nozzle.
[0012] Preferably, the ignition plug fixing nozzle has an oil guide groove inside, and the atomizing mesh is wrapped around the outside of the oil guide groove.
[0013] Preferably, the end of the oil inlet pipe connected to the ignition plug fixing nozzle is internally connected to the oil guide groove.
[0014] Preferably, an ignition plug is installed in the ignition plug fixing nozzle.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] The combustion atomization chamber proposed in this invention has a welded structure, which is simple in structure, lightweight, and low in cost.
[0017] The combustion air intake is centered, ensuring smooth airflow and high combustion efficiency. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic cross-sectional view of the present invention.
[0020] Figure 3 This is a cross-sectional view of the present invention from another perspective.
[0021] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle.
[0022] In the diagram: 1. Combustion chamber body; 2. Ignition plug fixing nozzle; 3. Ignition and combustion aid hole; 4. Combustion aid hole; 5. High-power combustion hole; 6. Sintered felt; 7. Oil inlet pipe; 9. Atomizing net; 10. Oil guide groove; 11. Mounting and fixing plate; 12. Detailed Implementation
[0023] 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.
[0024] Please see Figures 1 to 4 This utility model provides a technical solution: a center-intake combustion chamber suitable for fuel oil, comprising:
[0025] A mounting plate 12 is fixed to the surface of the combustion chamber body 2. A combustion chamber 1 is formed inside the combustion chamber body 2. The interior of the oil inlet pipe 9 communicates with the interior of the ignition plug fixing nozzle 3. The other end of the oil inlet pipe 9 is connected to the oil supply pipe. An ignition plug fixing nozzle 3 is formed on the surface of the combustion chamber body 2, and an ignition plug is installed in the ignition plug fixing nozzle 3. An oil guide groove 11 is formed inside the ignition plug fixing nozzle 3, and an atomizing mesh 10 is wrapped around the outside of the oil guide groove 11. An ignition and combustion-supporting hole 4 is formed on the surface of the ignition plug fixing nozzle 3. A combustion-supporting hole 5 is provided on one side of the combustion chamber body 2. Multiple sets of holes are formed inside the combustion-supporting hole 5. The hole is connected to the combustion chamber 1, and multiple sets of powerful combustion holes 6 are provided. The end of the combustion chamber body 2 is provided with powerful combustion holes 6, which allows the combustion chamber 1 to communicate with the outside. Air can enter the combustion chamber 1 through the combustion-supporting hole 5 and the powerful combustion holes 6. The surface of the ignition plug fixing nozzle 3 is connected to the oil inlet pipe 9. The end of the oil inlet pipe 9 connected to the ignition plug fixing nozzle 3 is connected to the oil guide groove 11. The inside of the ignition plug fixing nozzle 3 is provided with an atomizing net 10, which is located on the inner wall of the ignition plug fixing nozzle 3. The inside of the combustion chamber body 2 is provided with a sintered felt 7, which is located on the inner wall of the combustion chamber 1.
[0026] The ignition plug is installed on the combustion chamber body 2 via the ignition plug fixing nozzle 3. The fuel inlet pipe is connected to the fuel inlet pipe 9. The combustion fan operates to send fresh air into the combustion chamber 1 through the combustion port 5 and the powerful combustion port 6 to provide sufficient oxygen. Fuel is transported to the fuel guide groove 11 through the fuel inlet pipe 9 and is atomized into fine oil droplets by the atomizing net 10. After secondary atomization by the sintered felt 7, it is fully mixed with the air entering through the ignition combustion port 4. The ignition plug generates high temperature and ignites the mixed fuel and air to form a flame, which burns in the combustion chamber 1. The combustion atomization chamber is connected to the combustion chamber body 2 by welding, and the inner wall of the combustion port 5 is provided with multiple sets of holes to ensure that air enters the combustion chamber 1 evenly and improves combustion efficiency.
[0027] 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. A center-intake combustion chamber suitable for fuel oil, characterized in that: include: A mounting plate (12) is fixed on the surface of the combustion chamber body (2). An ignition plug fixing nozzle (3) is opened on the surface of the combustion chamber body (2). An ignition and combustion aid hole (4) is opened on the surface of the ignition plug fixing nozzle (3). A combustion aid hole (5) is provided on one side of the combustion chamber body (2). A powerful combustion hole (6) is opened at the end of the combustion chamber body (2). An oil inlet pipe (9) is connected to the surface of the ignition plug fixing nozzle (3). An atomizing mesh (10) is provided inside the ignition plug fixing nozzle (3). A sintered felt (7) is provided inside the combustion chamber body (2).
2. The center-intake combustion chamber for applicable fuel according to claim 1, characterized in that: The combustion chamber body (2) has a combustion chamber (1) inside. The inside of the oil inlet pipe (9) is connected to the inside of the ignition plug fixing nozzle (3). The other end of the oil inlet pipe (9) is connected to the oil supply pipe.
3. A center-intake combustion chamber for applicable fuel according to claim 2, characterized in that: The combustion-supporting hole (5) has multiple sets of holes inside, and the combustion-supporting hole (5) is connected to the combustion chamber (1) through the holes. The powerful combustion hole (6) is provided in multiple sets.
4. A center-intake combustion chamber for applicable fuel according to claim 3, characterized in that: The powerful combustion hole (6) allows the combustion chamber (1) to communicate with the outside, and air can enter the combustion chamber (1) through the combustion-supporting hole (5) and the powerful combustion hole (6).
5. A center-intake combustion chamber for applicable fuel according to claim 4, characterized in that: The sintering felt (7) is disposed on the inner wall of the combustion chamber (1).
6. A center-intake combustion chamber for applicable fuel according to claim 5, characterized in that: The atomizing mesh (10) is disposed on the inner wall of the ignition plug fixing nozzle (3).
7. A center-intake combustion chamber for applicable fuel according to claim 6, characterized in that: The ignition plug fixing nozzle (3) has an oil guide groove (11) inside, and the atomizing net (10) is wrapped around the outside of the oil guide groove (11).
8. A center-intake combustion chamber for applicable fuel according to claim 7, characterized in that: The end of the oil inlet pipe (9) connected to the ignition plug fixing nozzle (3) is connected to the oil guide groove (11).
9. A center-intake combustion chamber for applicable fuel according to claim 8, characterized in that: An ignition plug is installed in the ignition plug fixing nozzle (3).