Furnace end structure

Abstract

The furnace end structure comprises an air cavity part and an injection part which are combined to form a left-cavity furnace end or a right-cavity furnace end, the air cavity part is provided with an outer-ring air cavity, an inner-ring air cavity and a central through hole, the central through hole is vertically through, the inner-ring air cavity and the outer-ring air cavity are relatively independently arranged, and the outer-ring air cavity and the injection part are communicated through the central through hole. The injection part is provided with an outer ring injection pipe and an inner ring injection pipe, the outer ring injection pipe is communicated with the outer ring gas cavity, the inner ring injection pipe is communicated with the inner ring gas cavity, the gas cavity part and the injection part are combined to form a left cavity furnace end or a right cavity furnace end, a central through hole is formed in the gas cavity part, the inner ring gas cavity and the outer ring gas cavity are communicated in the vertical direction, and the inner ring gas cavity and the outer ring gas cavity are communicated in the vertical direction. When the combustor formed by the furnace end combusts, the central through hole supplies oxygen to the central air cavity so as to meet the combustion requirement, the combustion efficiency is improved, the generation of smoke is reduced, and the combustion is more complete.

Description

Technical Field

[0001] The utility model relates to a furnace head structure. Background Art

[0002] Aircraft burners are often used in gas stoves. Existing aircraft burners are generally provided with an outer ring air cavity and a central air cavity. The central air cavity is arranged at the center of the air cavity portion. When the burner of such a burner is burning, the central air cavity is prone to incomplete combustion and excessive smoke due to insufficient oxygen supply. Utility Model Content

[0003] The utility model proposes a burner head structure, comprising an air cavity part and an ejection part which are combined to form a left-cavity burner head or a right-cavity burner head, the air cavity part is provided with an air cavity and a central through hole, the central through hole is passed through from top to bottom, the air cavity is respectively provided with a relatively independent outer ring air cavity and an inner ring air cavity, the ejection part is provided with an outer ring ejection tube and an inner ring ejection tube, the outer ring ejection tube is connected to the outer ring air cavity, and the inner ring ejection tube is connected to the inner ring air cavity.

[0004] In one or more embodiments, the inner ring air cavity and the outer ring air cavity are combined to form an annular cavity, and the annular cavity is arranged around the central through hole.

[0005] In one or more embodiments, a first connecting plate and a second connecting plate are provided on the outer ring air cavity, and the first connecting plate and the second connecting plate are respectively connected to the central through hole and the cavity wall of the outer ring air cavity, and the space between the first connecting plate and the second connecting plate forms an inner ring air cavity.

[0006] In one or more embodiments, the air cavity portion is provided with a first air inlet end and a second air inlet end, and the ejection portion is provided with a first air outlet end and a second air outlet end, the first air inlet end corresponds to the first air outlet end, and the second air inlet end corresponds to the second air outlet end.

[0007] In one or more embodiments, the air cavity portion and the ejection portion are detachably connected, the first air inlet end and the first air outlet end are butted against each other, and the second air inlet end and the second air outlet end are butted against each other.

[0008] In one or more embodiments, an air passage inclined upward is provided between the first air inlet end and the outer ring air cavity.

[0009] In one or more embodiments, a mounting plate is disposed on the air cavity portion, and an ignition pin mounting hole and a flameout protection mounting hole are disposed on the mounting plate.

[0010] The first connecting plate and the second connecting plate respectively connect the outer wall of the central through hole and the inner wall of the outer ring air cavity to form an inner ring air cavity, so that the inner ring air cavity and the outer ring air cavity are not arranged concentrically, so that the distance between the inner wall and the outer wall of the outer ring air cavity is large enough and the distance between the inner wall and the outer wall of the inner ring air cavity is also large enough, which reduces the processing difficulty of the outer ring air cavity and the inner ring air cavity, and also makes the inner and outer walls of the outer ring air cavity and the inner ring air cavity have sufficient thickness and strength.

[0011] The beneficial effects of the utility model are as follows: a left-cavity burner head or a right-cavity burner head is formed by combining the air cavity part and the injection part, and a central through hole, an inner ring air cavity and an outer ring air cavity are provided on the air cavity part, and the central through hole passes through from top to bottom. When the burner formed by the burner is burning, the central through hole supplies oxygen to the central air cavity to meet the combustion needs, thereby improving the combustion efficiency, reducing the generation of smoke, and making the combustion more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the furnace head structure.

[0013] Figure 2 This is a schematic diagram of the disassembled furnace head structure.

[0014] Figure 3 A schematic cross-sectional view of a furnace head. DETAILED DESCRIPTION

[0015] The present application scheme is further described as follows in conjunction with the accompanying drawings:

[0016] See attached Figure 1-3 A burner head structure comprises an air cavity portion 1 and an ejection portion 2 which are combined to form a left-cavity burner head or a right-cavity burner head, the air cavity portion being provided with an air cavity 19 and a central through hole 13, the central through hole 13 being passed through from top to bottom, the air cavity 19 being provided with relatively independent inner ring air cavity 12 and outer ring air cavity 11, the inner ring air cavity and the outer ring air cavity 11 being located on the same air cavity ring, the ejection portion 2 being provided with an outer ring ejection tube 21 and an inner ring ejection tube 22, the outer ring ejection tube 21 being connected to the outer ring air cavity 11, the inner ring ejection tube 22 being connected to the inner ring air cavity 12.

[0017] Furthermore, the inner ring air cavity 12 and the outer ring air cavity 11 are combined to form an annular cavity, and the annular cavity is arranged around the central through hole 13 .

[0018] Furthermore, a first connecting plate 121 and a second connecting plate 122 are provided on the outer ring air cavity 11, and the first connecting plate 121 and the second connecting plate 122 are respectively connected to the center through hole 13 and the cavity wall of the outer ring air cavity 11, and the first connecting plate 121, the second connecting plate 122 and a part of the outer wall of the center through hole 13 are combined to form the inner ring air cavity 12.

[0019] Furthermore, the air cavity portion 1 is provided with a first air inlet end 14 and a second air inlet end 15, and the ejection portion 2 is provided with a first air outlet end 23 and a second air outlet end 24, the first air inlet end 14 corresponds to the first air outlet end 23, and the second air inlet end 15 corresponds to the second air outlet end 24.

[0020] Furthermore, the air cavity part 1 and the ejection part 2 are detachably connected by screw connection to facilitate production and installation, and at the same time facilitate mold extraction when the air cavity part 1 is formed, facilitate mold forming of the air cavity part 1, and reduce production difficulty. The first air inlet end 14 is connected to the first air outlet end 23, and the second air inlet end 15 is connected to the second air outlet end 24.

[0021] Furthermore, an air passage inclined upward is provided between the first air inlet end 14 and the outer ring air cavity 11 .

[0022] Furthermore, a mounting plate 16 is provided on the air cavity portion 1 , and an ignition pin mounting hole 17 and a flameout protection mounting hole 18 are provided on the mounting plate 16 .

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0028] The above-mentioned preferred implementation modes should be regarded as illustrative examples of the implementation modes of the present application scheme. Any technical deductions, replacements, improvements, etc. that are identical or similar to the present application scheme or made based on this scheme should be regarded as within the scope of protection of this patent.

Claims

1. A furnace head structure, characterized in that: It includes an air cavity part and an ejection part which are combined to form a left cavity burner head or a right cavity burner head. The air cavity part is provided with an air cavity and a central through hole. The central through hole is connected from top to bottom. The air cavity is respectively provided with a relatively independent outer ring air cavity and inner ring air cavity. The ejection part is provided with an outer ring ejection tube and an inner ring ejection tube. The outer ring ejection tube is connected to the outer ring air cavity, and the inner ring ejection tube is connected to the inner ring air cavity.

2. The furnace head structure according to claim 1, characterized in that: The inner ring air cavity and the outer ring air cavity are combined to form an annular cavity, and the annular cavity is arranged around the central through hole.

3. The furnace head structure according to claim 1, characterized in that: A first connecting plate and a second connecting plate are arranged on the outer ring air cavity, the first connecting plate and the second connecting plate are respectively connected to the central through hole and the cavity wall of the outer ring air cavity, and the space between the first connecting plate and the second connecting plate forms an inner ring air cavity.

4. The furnace head structure according to claim 1, characterized in that: The air cavity portion is provided with a first air inlet end and a second air inlet end, and the ejection portion is provided with a first air outlet end and a second air outlet end, the first air inlet end corresponds to the first air outlet end, and the second air inlet end corresponds to the second air outlet end.

5. The furnace head structure according to claim 4, characterized in that: The air cavity part and the ejection part are detachably connected, the first air inlet end and the first air outlet end are butted against each other, and the second air inlet end and the second air outlet end are butted against each other.

6. The furnace head structure according to claim 5, characterized in that: An air passage inclined upward is arranged between the first air inlet end and the outer ring air cavity.

7. The furnace head structure according to claim 1, characterized in that: The air cavity portion is provided with a mounting plate, and an ignition pin mounting hole and a flameout protection mounting hole are provided on the mounting plate.

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