Fuel atomizing disc and combustor

Abstract

The fuel atomizing disc comprises a disc body, a plurality of inclined holes are formed in the disc face of the disc body, and the inclined holes are formed in the outer edge of the disc body and obliquely penetrate through the outer edge of the disc body, so that a shielding part is formed in the middle of the disc face of the disc body; the inclination direction of the inclined holes ensures that air on one side of the disc body rotates in the same direction on the other side of the disc body after passing through the inclined holes. The fuel atomizing disc and the combustor can ensure that the fuel is fully atomized in the combustion chamber.

Description

Technical Field

[0001] The utility model relates to the technical field of sprayers, in particular to a fuel atomizing disk and a burner used for sprayers. Background Art

[0002] Steam sprayers are agricultural and forestry plant protection machinery and equipment, which are widely used in pest control, disinfection and sterilization or fertilization.

[0003] Conventional steam atomizers consist of a burner and a sprayer housing connected to the burner. An inner coil is housed within the atomizer housing; an outer coil is mounted outside the atomizer housing, the outer coil's inlet connected to the additive pipe; the outer coil's outlet connected to the inner coil's inlet; the inner coil's outlet connected to the nozzle; and a chemical pipe connected to the side of the nozzle. During operation, the burner generates a flame, and the additive flows through the additive pipe, sequentially through the outer and inner coils, into the nozzle. Chemical is then injected into the nozzle through the chemical pipe. The additive is then heated and atomized in the outer and inner coils, and finally sprayed out through the nozzle, carrying the ambient-temperature chemical.

[0004] The existing burner structure consists of a combustion chamber, which is cylindrical and open at both ends. A cover plate is installed at one end of the combustion chamber, which is equipped with a fuel nozzle and an air inlet. An ignition element is located within the combustion chamber and is fixed to the curved sidewall. During operation, the fuel nozzle sprays oil as fuel toward the ignition element, directly igniting the fuel. The air inlet provides the air required for combustion and blows the flame out of the open end of the combustion chamber, heating the inner coil inside the atomizer housing.

[0005] In existing burners, the fuel nozzle sprays the oil liquid as fuel to the ignition element for ignition. The fuel is not fully atomized. When it is ignited without being fully atomized, the combustion efficiency is low and the fuel cannot be fully burned, resulting in energy waste. Utility Model Content

[0006] The purpose of the present utility model is to provide a fuel atomizing disk and a burner in response to the above-mentioned problems, wherein the fuel atomizing disk and the burner can ensure that the fuel is fully atomized in the combustion chamber.

[0007] The technical solutions adopted in this utility model are as follows:

[0008] A fuel atomization disk comprises a disk body, wherein a plurality of inclined holes are formed on the disk surface. The inclined holes are arranged at the outer edge of the disk body and obliquely penetrate the outer edge of the disk body, so that a shielding portion is formed in the middle of the disk surface. The inclined direction of the inclined holes is such that the wind on one side of the disk body rotates in the same direction on the other side of the disk body after passing through the inclined holes.

[0009] Furthermore, the inclined holes are arranged in a circular ring at the outer edge of the disk body, and the center of the circular ring is located at the center of the disk surface of the disk body.

[0010] Furthermore, the inclined holes are arranged in concentric rings at the outer edge of the disk body, and the centers of the concentric rings are located at the center of the disk surface of the disk body.

[0011] Furthermore, the oblique holes on the same circular ring are arranged at equal intervals.

[0012] Furthermore, in the concentric rings, the difference in the number of inclined holes on adjacent rings increases from the inside to the outside.

[0013] Furthermore, the concentric rings include two rings, an inner ring and an outer ring, the inner ring is provided with 6 to 10 oblique holes, and the outer ring is provided with 16 to 20 oblique holes.

[0014] Furthermore, the disk body is a circular disk; the disk body diameter is 50 mm; the inclined hole diameter is 5 mm; on the inner ring, the arc formed by the centers of the inclined holes is the inner arc; on the outer ring, the arc formed by the centers of the inclined holes is the outer arc; the distance between the outer arc and the inner arc is 6 mm; the distance between the outer arc and the outer edge of the disk is 6 mm.

[0015] The utility model also discloses a burner, which includes a combustion chamber, an ignition element and the above-mentioned fuel atomization disk, wherein the combustion chamber is a cylindrical structure with one end open and the other end sealed; the fuel atomization disk is arranged in the combustion chamber and close to the sealed end of the combustion chamber, and the fuel atomization disk divides the combustion chamber into a mixing chamber and an ignition chamber; the mixing chamber is close to the sealed end of the combustion chamber, and the ignition chamber is close to the open end of the combustion chamber; an air inlet and a fuel port are provided on the side wall of the mixing chamber, and the ignition end of the ignition element is located in the ignition chamber.

[0016] Furthermore, the air inlet and the fuel port are opened at the sealed end of the combustion chamber; a nozzle is provided at the feed port; the ignition element is an ignition needle, and the ignition end of the ignition needle passes through the side wall of the combustion chamber and extends into the ignition chamber.

[0017] Furthermore, a fire baffle is provided at the open end of the combustion chamber, and a fire outlet hole is provided at the center of each fire baffle;

[0018] Or a plurality of fire baffles are provided at the open end of the combustion chamber, and a fire outlet hole is provided at the center of each fire baffle; the fire baffles are arranged in parallel and at intervals.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0020] When the fuel atomizing disk of the present invention is installed in the combustion chamber of the burner, it can cause the wind, fuel and flame to rotate together, thereby fully atomizing the fuel. This is more conducive to the full combustion of the fuel. The inclined holes are arranged at the edge of the disk body, which can better ensure the rotation of the wind, fuel and / or flame. In addition, the middle part of the disk surface is not provided with inclined holes, but forms a shielding portion, which can allow the wind, fuel and / or flame to pass through the edge of the disk body as much as possible to ensure the rotation effect. At the same time, the shielding portion can prevent the fuel from being blown directly out of the combustion chamber, resulting in the fuel not having enough time to fully burn and atomize, and can avoid oil leakage at the combustion chamber outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a perspective view of a fuel atomizing disk;

[0022] Figure 2 is a top view of the fuel atomization disk;

[0023] Figure 3 This is the structural diagram of the burner;

[0024] In the figure, 1-fuel atomizing disk, 2-air inlet, 3-fuel port, 4-mixing chamber, 5-ignition element, 6-ignition chamber, 7-fire outlet, 8-fire baffle, 9-combustion chamber, 101-disc body, 102-inclined hole, 103-shielding portion. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0029] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0031] Example 1

[0032] like Figure 1 and Figure 2 As shown, the present invention discloses a fuel atomizing disk 1 for use in a steam atomizer burner. The fuel atomizing disk 1 comprises a disk body 101, with a plurality of inclined holes 102 defined on its surface. The inclined holes 102 are arranged at the outer edge of the disk body 101 and extend obliquely through the outer edge of the disk body 101, forming a shielding portion 103 in the middle of the disk body 101. The inclined holes 102 are oriented in such a way that airflow on one side of the disk body 101, after passing through the inclined holes 102, revolves in the same direction on the other side of the disk body 101.

[0033] When the fuel atomizing disk 1 of the present invention is installed in the combustion chamber 9 of a burner, wind can blow the fuel toward the fuel atomizing disk 1. Due to the presence of the inclined holes 102 on the fuel atomizing disk 1, the fuel and wind can rotate after passing through the inclined holes 102, thereby fully atomizing the fuel. After atomization, it is ignited by the ignition element 5, causing the ignited flame to also rotate, which is more conducive to the complete combustion of the fuel.

[0034] Or the fuel is ignited first, and then the wind, fuel and flame pass through the inclined hole and rotate together, thereby fully atomizing and burning the fuel.

[0035] The inclined holes 102 are provided at the edges of the disc 101 to better ensure the rotation of the air, fuel, and / or flame. In the middle of the disc 101, the inclined holes 102 are not provided, but a shielding portion 103 is formed, which allows the air, fuel, and / or flame to pass through the edges of the disc 101 as much as possible, ensuring the rotation effect. The shielding portion 103 also prevents the fuel from being blown directly out of the combustion chamber 9, which would prevent the fuel from fully burning and atomizing in time, thereby preventing oil leakage at the outlet of the combustion chamber 9.

[0036] The inclined holes 102 can be arranged in a ring at the outer edge of the disk body 101, with the center of the ring located at the center of the disk surface of the disk body 101. Figure 1 、 2 As shown, the inclined holes 102 are arranged in concentric rings at the outer edge of the disk body 101 , and the centers of the concentric rings are located at the center of the disk surface of the disk body 101 .

[0037] Further, the oblique holes 102 on the same annulus are arranged at equal intervals. This is beneficial to the uniform and stable rotation of fuel and wind, ensuring rotation and atomization effect.

[0038] Furthermore, when the inclined holes 102 are arranged in concentric rings at the outer edge of the disk 101, the difference in the number of inclined holes 102 on adjacent rings increases from the inside to the outside. This allows the wind and fuel to be mainly concentrated on the edge of the disk 101 for rotation, resulting in a better rotation effect.

[0039] In specific implementation, the concentric rings can be set in multiple circles. In the present utility model, the concentric rings include two rings, an inner ring and an outer ring. The inner ring is provided with 6 to 10 inclined holes 102, preferably 8; the outer ring is provided with 16 to 20 inclined holes 102, preferably 18.

[0040] In the present invention, the disk body 101 is a circular disk; the diameter of the disk body 101 is 50 mm; the diameter of the inclined hole 102 is 5 mm; on the inner ring, the arc formed by the center of each inclined hole 102 is the inner arc; on the outer ring, the arc formed by the center of each inclined hole 102 is the outer arc; the distance between the outer arc and the inner arc is 6 mm; the distance between the outer arc and the outer edge of the disk body 101 is 6 mm.

[0041] Example 2

[0042] The utility model also discloses a burner, which is used for a steam sprayer. The burner includes a combustion chamber 9, an ignition element 5 and the fuel atomization disk 1 in Example 1. The combustion chamber 9 is a cylindrical structure with one end open and the other end sealed; the fuel atomization disk 1 is arranged in the combustion chamber 9 and close to the sealed end of the combustion chamber 9. The fuel atomization disk 1 divides the combustion chamber 9 into a mixing chamber 4 and an ignition chamber 6; the mixing chamber 4 is close to the sealed end of the combustion chamber 9, and the ignition chamber 6 is close to the open end of the combustion chamber 9; an air inlet 2 and a fuel port 3 are provided on the side wall of the mixing chamber 4, and the ignition end of the ignition element 5 is located in the ignition chamber 6.

[0043] Due to the above structure, after the fuel and wind are mixed in the mixing chamber 4, they are blown toward the fuel atomization disk 1. Due to the presence of the inclined hole 102 on the fuel atomization disk 1, the fuel and wind enter the ignition chamber 6 after passing through the inclined hole 102 and are able to rotate in the ignition chamber 6, thereby fully atomizing the fuel, so that the fuel is ignited by the ignition element 5 and then ignited and fully burned in the combustion chamber.

[0044] The inclined holes 102 are provided at the edges of the disk 101 to better ensure the rotation of the air and fuel. In the middle of the disk 101, the inclined holes 102 are not provided, but a shielding portion 103 is formed, which allows the air and fuel to pass through the edges of the disk 101 as much as possible, ensuring the rotation effect. At the same time, the shielding portion 103 prevents the fuel from being blown directly out of the ignition chamber 6, which would prevent the fuel from fully burning and atomizing in time, and thus prevents oil leakage from the open end of the combustion chamber 9.

[0045] Furthermore, the air inlet 2 and the fuel port 3 are opened at the sealed end of the combustion chamber 9; a fuel nozzle is provided at the feed port; the ignition element 5 is an ignition needle, and the ignition end of the ignition needle passes through the side wall of the combustion chamber 9 and extends into the ignition chamber 6.

[0046] In a specific implementation, the central axes of the fuel nozzle, the fuel atomization disk 1 and the combustion chamber 9 may coincide with each other, while the central axis of the air inlet 2 is parallel to the central axis of the combustion chamber 9 .

[0047] Furthermore, a fire baffle 8 is provided at the open end of the combustion chamber 9, and a fire outlet hole 7 is provided at the center of each fire baffle 8;

[0048] Alternatively, a plurality of fire baffles 8 are provided at the open end of the combustion chamber 9 , and a fire outlet hole 7 is provided at the center of each fire baffle 8 ; the fire baffles 8 are arranged in parallel and at intervals.

[0049] like Figure 3As shown, the diameter of the fire hole 7 is smaller than the inner diameter of the combustion chamber 9. The presence of the fire baffle 8 prevents liquid fuel from leaking out of the combustion chamber 9. When multiple fire baffles 8 are provided, the spaces between them form a liquid collection trough, preventing liquid fuel from leaking out. Furthermore, because the wind in the present invention rotates, the liquid fuel in the liquid collection trough can be re-atomized by the rotating wind, ensuring sufficient combustion and avoiding fuel waste.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fuel atomizing disc, characterized in that: It comprises a disk body (101), a disk surface of which is provided with a plurality of inclined holes (102), wherein the inclined holes (102) are arranged at the outer edge of the disk body (101) and obliquely penetrate the outer edge of the disk body (101), so that a shielding portion (103) is formed in the middle of the disk surface of the disk body (101); the inclined direction of the inclined holes (102) should ensure that the wind on one side of the disk body (101) rotates in the same direction on the other side of the disk body (101) after passing through the inclined holes (102).

2. The fuel atomizing disk according to claim 1, characterized in that: The inclined holes (102) are arranged in a circular ring at the outer edge of the disk body (101), and the center of the circular ring is located at the center of the disk surface of the disk body (101).

3. The fuel atomizing disk according to claim 1, characterized in that: The inclined holes (102) are arranged in concentric rings at the outer edge of the disk body (101), and the centers of the concentric rings are located at the center of the disk surface of the disk body (101).

4. The fuel atomizing disk according to claim 2 or 3, characterized in that: The oblique holes (102) on the same circular ring are arranged at equal intervals.

5. The fuel atomizing disk according to claim 3, characterized in that: In the concentric rings, the difference in the number of oblique holes (102) on adjacent rings increases from the inside to the outside.

6. The fuel atomizing disk according to claim 5, characterized in that: The concentric rings include an inner ring and an outer ring. The inner ring is provided with 6 to 10 oblique holes (102), and the outer ring is provided with 16 to 20 oblique holes (102).

7. The fuel atomizing disk according to claim 6, characterized in that: The disk body (101) is a circular disk; The diameter of the disc (101) is 50 mm; The diameter of the oblique hole (102) is 5 mm; On the inner ring, the arc formed by the centers of the oblique holes (102) is the inner arc; On the outer ring, the arc formed by the centers of the inclined holes (102) is the outer arc; The distance between the outer arc and the inner arc is 6mm; The distance between the outer arc line and the outer edge of the disc body (101) is 6 mm.

8. A burner comprising a combustion chamber (9), an ignition element (5) and a fuel atomizing disk according to any one of claims 1 to 7, characterized in that: The combustion chamber (9) is a cylindrical structure with one end open and the other end sealed; the fuel atomization disk (1) is arranged in the combustion chamber (9), and the fuel atomization disk (1) divides the combustion chamber (9) into a mixing chamber (4) and an ignition chamber (6); the mixing chamber (4) is close to the sealed end of the combustion chamber (9), and the ignition chamber (6) is close to the open end of the combustion chamber (9); An air inlet (2) and a fuel port (3) are provided on the side wall of the mixing chamber (4); and the ignition end of the ignition element (5) is located in the ignition chamber (6).

9. The burner according to claim 8, characterized in that: The air inlet (2) and the fuel port (3) are provided at the sealed end of the combustion chamber (9); a nozzle is provided at the feed port; the ignition element (5) is an ignition needle, the ignition end of the ignition needle passes through the side wall of the combustion chamber (9) and extends into the ignition chamber (6).

10. The burner according to claim 8, characterized in that: A fire baffle (8) is provided at the open end of the combustion chamber (9), and a fire outlet hole (7) is provided at the center of each fire baffle (8); Or a plurality of fire baffles (8) are provided at the open end of the combustion chamber (9), and a fire outlet hole (7) is provided at the center of each fire baffle (8); The fire baffles (8) are arranged in parallel and at intervals.

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