Efficient rotational flow mixing air-fuel ratio device

Abstract

The utility model discloses an efficient rotational flow mixing air-fuel ratio device, and relates to the technical field of machine manufacturing. Comprising a cavity, combustion holes are formed in the wall of the cavity, and the combustion holes are annularly arrayed along the central axis of the cavity; by arranging the mixing assembly and a unique structure composed of a spherical shell, a conical shell, a conical block, a flow baffle and the like of the mixing assembly, the flowing path of natural gas and air is changed, a complex internal flow field is built, for example, the conical shell accelerates airflow, the conical block forms a rotational flow, and the air flow is accelerated; the flow baffles are used for blocking and guiding, the original relatively regular flow layer of the gas is broken through jointly through the effects, the gas in different areas is fully interwoven together, the mixing degree of the natural gas and the air is improved, and the purpose of the efficient rotational flow mixing air-fuel ratio device is achieved.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, specifically to a high-efficiency swirl-mixing air-fuel ratio device. Background Technology

[0002] In numerous industrial sectors and everyday applications involving combustion processes, such as industrial furnaces, gas engines, and household gas appliances, achieving efficient mixing of natural gas and air to obtain an ideal air-fuel ratio plays a crucial role in ensuring combustion efficiency, reducing energy consumption, and minimizing pollutant emissions. However, with the increasing demands for energy efficiency and the increasingly stringent environmental standards, traditional devices for mixing natural gas and air have gradually revealed numerous problems that make it difficult to meet practical needs.

[0003] In traditional air-fuel mixing devices, there is a lack of effective structural design to fully improve the mixing degree of natural gas and air. Most devices rely on simple air intake methods and relatively conventional mixing chamber structures, making it difficult for natural gas and air to achieve sufficient and uniform mixing before entering the combustion zone. For example, after the gas enters, it simply flows in a relatively regular space, with limited interaction between different gas flow layers, failing to break the original stratification state, resulting in unsatisfactory mixing effect. Utility Model Content

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this utility model is as follows: a high-efficiency swirl-mixing air-fuel ratio device, comprising: a cavity, wherein combustion holes are formed in the wall of the cavity and are arranged in a circular array along the central axis of the cavity; a mixing component, wherein the outer wall of the mixing component is fixedly connected to the outer wall of the cavity, and the mixing component is used to change the flow path of natural gas and air, thereby increasing the mixing degree of natural gas and air; an air intake component, wherein the outer wall of the air intake component is fixedly connected to the outer wall of the mixing component, and the air intake component is used to disperse the incoming natural gas into the mixing component; the mixing component includes a spherical shell, wherein a conical shell is fixedly connected to the outer wall of the spherical shell, and a fixing plate is fixedly connected to the side of the conical shell away from the spherical shell, wherein a through groove is formed in the wall of the fixing plate, and a conical block is fixedly connected to the outer wall of the fixing plate by a cylinder.

[0005] Preferably, a baffle plate is fixedly connected to the outer wall of the connecting plate. The baffle plate is used to restrict the flow trajectory of air entering the conical shell. A connecting plate is fixedly connected to the side of the spherical shell away from the conical shell. The side of the connecting plate away from the spherical shell is fixedly connected to the outer wall of the cavity.

[0006] Preferably, the air intake assembly includes an air pipe, the outer wall of which is fixedly connected to a gas pipe via a connecting bracket, and the inner wall of the connecting bracket is fixedly connected to the outer wall of the gas pipe, and a connecting ring pipe is fixedly connected to the outer wall of the gas pipe.

[0007] Preferably, a flow guide tube is fixedly connected to the side of the connecting ring pipe away from the gas pipe. The flow guide tube has an inclination angle and is arranged in a ring along the central axis of the connecting ring pipe. The outer wall of the air pipe is fixedly connected to the inner wall of the fixing plate, and the inner wall of the fixing plate is fixedly connected to the outer wall of the flow guide tube.

[0008] The beneficial effects of this utility model are as follows:

[0009] 1. This utility model, by setting up a mixing component, uses its unique structure composed of a spherical shell, a conical shell, a conical block, and a baffle plate to change the flow path of natural gas and air, creating a complex internal flow field. For example, the conical shell accelerates the airflow, the conical block forms a swirling flow, and the baffle plate blocks and guides the flow. These actions together break the originally relatively regular flow layer of gas, allowing the gas in different regions to fully intertwine, increasing the mixing degree of natural gas and air. After the more uniformly mixed gas enters the combustion zone, it can achieve more complete combustion, reduce incomplete combustion, and release the chemical energy of the fuel more efficiently, thereby improving combustion efficiency, reducing energy waste, and having important significance for improving energy utilization.

[0010] 2. By setting up an air intake component, this utility model can disperse and introduce natural gas, ensuring that it enters the mixing component in the best initial state with air. After being fully mixed by the mixing component, the mixed gas enters the combustion zone through combustion holes evenly distributed on the cavity wall. This stable and uniform supply of mixed gas avoids combustion fluctuations caused by unstable mixed gas quality, ensuring the continuity and efficiency of the combustion process. This allows the combustion equipment to operate stably in a good working state for a long time, which helps to improve the reliability and production continuity of the entire equipment system. Attached Figure Description

[0011] Figure 1 This is a perspective view of the present invention;

[0012] Figure 2 This is an exploded structural diagram of the internal structure of this utility model;

[0013] Figure 3 This is an exploded structural diagram of the hybrid component of this utility model;

[0014] Figure 4 This is an exploded structural diagram of the air intake assembly of this utility model;

[0015] Figure 5This is a schematic diagram of the structure of the flow guide tube of this utility model.

[0016] In the diagram: 1. Cavity; 2. Combustion port; 3. Mixing assembly; 4. Intake assembly; 31. Connecting plate; 32. Spherical shell; 33. Conical shell; 34. Conical block; 35. Baffle plate; 36. Fixing plate; 41. Gas pipe; 42. Air pipe; 43. Connecting ring pipe; 44. Guide pipe. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose. Example

[0018] Please see Figure 1 - Figure 5 This utility model provides a technical solution: a high-efficiency swirling mixing air-fuel ratio device, comprising: a cavity 1, wherein combustion holes 2 are provided in the wall of the cavity 1 and are arranged in a ring along the central axis of the cavity 1; a mixing component 3, the outer wall of the mixing component 3 is fixedly connected to the outer wall of the cavity 1, the mixing component 3 is used to change the flow path of natural gas and air, thereby increasing the mixing degree of natural gas and air; an air intake component 4, the outer wall of the air intake component 4 is fixedly connected to the outer wall of the mixing component 3, the air intake component 4 is used to disperse the incoming natural gas into the mixing component 3; the mixing component 3 includes a spherical shell 32, a conical shell 33 is fixedly connected to the outer wall of the spherical shell 32, a fixing plate 36 is fixedly connected to the side of the conical shell 33 away from the spherical shell 32, and a conical block 34 is fixedly connected to the outer wall of the fixing plate 36 through a cylinder, the incoming air is dispersed to the inner wall of the conical shell 33 by the conical block 34, thereby mixing with the natural gas flowing in the rotating conical shell 33.

[0019] A baffle plate 35 is fixedly connected to the outer wall of the connecting plate 31. The connecting plate 31 is fixedly connected to the side of the spherical shell 32 away from the conical shell 33. The side of the connecting plate 31 away from the spherical shell 32 is fixedly connected to the outer wall of the cavity 1. As the conical shell 33 gradually contracts outward from the side of the spherical shell 32, the flow space gradually becomes smaller when the gas flows through this area. According to the principles of fluid mechanics, the speed of the airflow will increase and the pressure will increase. This allows the natural gas and air to be squeezed and collided more closely, promoting the initial mixing of the two.

[0020] The air intake assembly 4 includes an air pipe 42. A gas pipe 41 is fixedly connected to the outer wall of the air pipe 42 via a connecting bracket. A connecting ring pipe 43 is fixedly connected to the outer wall of the gas pipe 41. A guide pipe 44 is fixedly connected to the side of the connecting ring pipe 43 away from the gas pipe 41. The guide pipe 44 is arranged in a ring along the central axis of the connecting ring pipe 43. The outer wall of the air pipe 42 is fixedly connected to the inner wall of the fixing plate 36. The inner wall of the fixing plate 36 is fixedly connected to the outer wall of the guide pipe 44. The special oblique design of the guide pipe 44 can change the flow direction of natural gas, causing it to be ejected obliquely at a certain angle and speed, dispersing the originally concentrated natural gas flow into multiple smaller airflows, thereby increasing the contact area between natural gas and air.

[0021] Working principle:

[0022] This high-efficiency swirling mixing air-fuel ratio device mainly consists of a cavity 1, a mixing component 3, and an air intake component 4. The cavity 1 serves as the core housing space of the entire device. The combustion holes 2 on its walls are arranged in a circular array along the central axis of the cavity 1, providing an outlet for the mixed gas to the combustion zone. It is a key part for realizing the subsequent combustion process. The mixing component 3 is installed on the outer wall of the cavity 1. It plays an important role in changing the flow path of natural gas and air and increasing the degree of mixing between the two. Through its unique structural design, it creates an environment conducive to the full mixing of the gas. The air intake component 4 is fixedly connected to the outer wall of the mixing component 3. It is mainly responsible for dispersing and guiding the incoming natural gas into the mixing component 3. It also works in conjunction with the air introduction path to lay the foundation for the subsequent high-efficiency mixing of natural gas and air in the mixing component 3.

[0023] The air intake assembly 4 plays a key role in introducing and dispersing natural gas into the device. It is mainly composed of components such as gas pipe 41, air pipe 42, connecting ring pipe 43, and guide pipe 44. Each component works together through a specific connection method to achieve the dispersed introduction of natural gas.

[0024] The gas pipe 41 serves as the channel for natural gas entry, and its outer wall is fixedly connected to the air pipe 42 via a connecting bracket. This connection method ensures the stable installation of the gas pipe 41 and allows the introduction of natural gas and air to cooperate with each other in spatial layout. The outer wall of the gas pipe 41 is also fixedly connected to a connecting ring pipe 43. On the side of the connecting ring pipe 43 away from the gas pipe 41, multiple guide pipes 44 are fixedly connected, and the guide pipes 44 are arranged in a ring array along the central axis of the connecting ring pipe 43.

[0025] When natural gas enters the device through the gas pipe 41, it first flows into the connecting ring pipe 43. Then, guided by the connecting ring pipe 43, it is evenly distributed into each guide pipe 44. The special inclined design of the guide pipe 44 can change the flow direction of the natural gas, causing it to be ejected obliquely at a certain angle and speed. This disperses the originally concentrated natural gas flow into multiple smaller gas flows, thereby increasing the contact area between the natural gas and the air. This creates favorable conditions for the natural gas to be fully mixed with the air in the mixing component 3. At the same time, the air pipe 42 is fixedly connected to the inner wall of the fixed plate 36, which is part of the mixing component 3. This allows the air to enter the mixing component 3 stably and meet the dispersed natural gas flow in the mixing component 3, thus starting the mixing process.

[0026] The mixing component 3 is the core component for achieving efficient mixing of natural gas and air. It consists of components such as a spherical shell 32, a conical shell 33, a conical block 34, a fixed plate 36, a baffle plate 35, and a connecting plate 31. These components create a complex internal flow field to enhance the mixing effect of the gas.

[0027] First, after the natural gas is dispersed and introduced into the mixing component 3 through the guide pipe 44 of the inlet component 4, it will enter a specific space enclosed by the spherical shell 32, the conical shell 33, etc. The side of the spherical shell 32 away from the conical shell 33 is fixedly connected to the connecting plate 31, and the outer wall of the connecting plate 31 is fixedly connected to the baffle plate 35. The side of the connecting plate 31 away from the spherical shell 32 is fixedly connected to the outer wall of the cavity 1. This series of connection structures determines the position of the mixing component 3 in the whole device and provides certain boundary restrictions for the flow of internal gas.

[0028] When natural gas and air enter the mixing component 3, the flow path of the gas begins to change in the space formed by the spherical shell 32 and the conical shell 33. As the conical shell 33 gradually contracts outward from the side of the spherical shell 32, the flow space gradually becomes smaller when the gas flows through this area. According to the principles of fluid mechanics, the speed of the airflow will increase and the pressure will increase. This allows the natural gas and air to be squeezed and collide more closely with each other, promoting the initial mixing of the two.

[0029] The cone 34, which is fixedly connected to the fixed plate 36 by a cylinder, further interferes with the airflow. When the gas passes through the cone 34, it is divided and guided by it, resulting in complex flow phenomena such as splitting, merging and rotation, forming a swirling flow. This swirling flow can break the relatively regular flow layer of natural gas and air, allowing the gas in different areas to fully intertwine and further improve the mixing degree.

[0030] At the same time, the presence of the baffle 35 also plays a role in blocking and guiding the airflow. It changes the direction of airflow in the cone shell 33, preventing the gas from flowing directly into the cavity 1 too quickly, and instead allowing it to stay in the mixing component 3 for a longer time, giving it more opportunities to be fully mixed and enhancing the overall mixing effect.

[0031] In actual use, the main components, namely cavity 1, mixing component 3, and air intake component 4, work closely together to achieve efficient swirling mixing of natural gas and air, as well as subsequent stable combustion.

[0032] The cavity 1 provides a relatively closed and stable spatial environment for the entire mixing and combustion process. The combustion holes 2 on its wall determine the way and position of the mixed gas entering the combustion zone. At the same time, the outer wall of the cavity 1 provides an installation base for the mixing assembly 3, so that the mixing assembly 3 can mix the natural gas and air introduced by the intake assembly 4 at a suitable position.

[0033] The intake assembly 4 disperses natural gas into the mixing assembly 3 through its own structure, and works with the air pipe 42 to ensure a stable air intake. The design and connection of each component are all designed to enable natural gas and air to enter the mixing assembly 3 in the best initial state, laying the groundwork for efficient mixing in the future.

[0034] The mixing component 3 relies on its unique internal structure, consisting of a spherical shell 32, a conical shell 33, a conical block 34, and a baffle 35, to fully utilize the principles of fluid mechanics and change the flow path of natural gas and air. Through various methods such as acceleration, swirling, blocking, and guiding, the two gases are fully mixed inside to achieve the ideal degree of mixing. In this process, the working state of the mixing component 3 is adapted to the air intake of the air intake component 4 and the structural characteristics of the cavity 1 to ensure smooth gas flow and continuous optimization of the mixing effect throughout the device.

[0035] After being fully mixed by the mixing component 3, the natural gas and air mixture will enter the combustion zone evenly through the combustion holes 2 on the wall of the cavity 1 for combustion. Through this coordinated work, this high-efficiency swirl mixing air-fuel ratio device can stably provide a uniformly mixed air-fuel ratio mixture for the combustion process under different operating conditions, which helps to improve combustion efficiency, reduce incomplete combustion and pollutant emissions, and meet the requirements of various combustion equipment for high-efficiency and clean combustion.

[0036] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A high-efficiency swirl-mixing air-fuel ratio device, characterized in that, include: A cavity (1) has combustion holes (2) in its wall, and the combustion holes (2) are arranged in a ring along the central axis of the cavity (1). The mixing component (3) is fixedly connected to the outer wall of the cavity (1). The mixing component (3) is used to change the flow path of natural gas and air, thereby increasing the mixing degree of natural gas and air. An air intake assembly (4) is fixedly connected to the outer wall of a mixing assembly (3). The air intake assembly (4) is used to disperse the incoming natural gas into the mixing assembly (3). The mixing component (3) includes a spherical shell (32), a conical shell (33) is fixedly connected to the outer wall of the spherical shell (32), a fixing plate (36) is fixedly connected to the side of the conical shell (33) away from the spherical shell (32), and a conical block (34) is fixedly connected to the outer wall of the fixing plate (36) through a cylinder.

2. The high-efficiency swirl-mixing air-fuel ratio device according to claim 1, characterized in that: A baffle plate (35) is fixedly connected to the outer wall of the connecting plate (31), and the connecting plate (31) is fixedly connected to the side of the spherical shell (32) away from the conical shell (33).

3. The high-efficiency swirl-mixing air-fuel ratio device according to claim 2, characterized in that: The side of the connecting plate (31) away from the spherical shell (32) is fixedly connected to the outer wall of the cavity (1).

4. The high-efficiency swirl-mixing air-fuel ratio device according to claim 1, characterized in that: The air intake assembly (4) includes an air pipe (42), and a gas pipe (41) is fixedly connected to the outer wall of the air pipe (42) via a connecting bracket. A connecting ring pipe (43) is fixedly connected to the outer wall of the gas pipe (41).

5. The high-efficiency swirl-mixing air-fuel ratio device according to claim 4, characterized in that: The connecting ring pipe (43) is fixedly connected to a flow guide pipe (44) on the side away from the gas pipe (41), and the flow guide pipe (44) is arranged in a ring along the central axis of the connecting ring pipe (43).

6. The high-efficiency swirl-mixing air-fuel ratio device according to claim 4, characterized in that: The outer wall of the air pipe (42) is fixedly connected to the inner wall of the fixing plate (36), and the inner wall of the fixing plate (36) is fixedly connected to the outer wall of the guide pipe (44).

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