Gas distribution disc structure and combustor structure

Abstract

The gas distribution disc structure comprises a gas distribution disc body, the gas distribution disc body is provided with a vertically-through vent hole, a first gas inlet hole, a second gas inlet hole, an inner ring gas cavity and an outer ring gas cavity, the first gas inlet hole is communicated with the outer ring gas cavity, the second gas inlet hole is communicated with the inner ring gas cavity, and the inner ring gas cavity is communicated with the outer ring gas cavity. The first air inlet hole, the second air inlet hole and the air vent hole are formed in the air distribution disc body, during combustion, the air vent hole penetrates vertically to provide sufficient oxygen for a combustor, the combustion efficiency is improved, and combustion is complete.

Description

Technical Field

[0001] The utility model relates to a gas distribution plate structure and a burner structure. Background Art

[0002] The gas distributor is an important part of the burner. The existing gas distributor of the aircraft burner has the problem of insufficient oxygen supply and incomplete combustion when in use. Utility Model Content

[0003] The utility model proposes an air distribution plate structure, including an air distribution plate main body, wherein the air distribution plate main body is provided with air vents running through from top to bottom, a first air inlet hole, a second air inlet hole, an inner ring air cavity and an outer ring air cavity, the first air inlet hole is connected to the outer ring air cavity, the second air inlet hole is connected to the inner ring air cavity, the air vent is located at the center of the inner ring air cavity, and the second air inlet hole is eccentrically arranged on the air distribution plate main body.

[0004] In one or more embodiments, the second air inlet hole is located inside the first air inlet hole, and the first air inlet hole and the second air inlet hole are relatively independently arranged.

[0005] In one or more embodiments, a first connecting plate and a second connecting plate are disposed between the inner wall of the first air inlet hole and the vent hole to form the second air inlet hole.

[0006] In one or more embodiments, a ventilation bridge is provided on the outer ring air cavity, and the ventilation bridge connects the first air inlet hole and the outer ring air cavity.

[0007] In one or more embodiments, a plurality of ventilation bridges are arranged on the outer ring air cavity, and the ventilation bridges are evenly arranged around the center of the air distribution plate body. The ventilation bridges are provided with upper bridge surfaces to prevent debris from falling into the ventilation bridges, thereby forming a clean fire distribution plate.

[0008] In one or more embodiments, the gas distributor body is further provided with a connecting bridge to strengthen the connection between the outer ring of the gas distributor body and the first air inlet hole of the gas distributor body, and the connecting bridge connects the outer ring of the gas distributor body and the outer wall of the first air inlet hole.

[0009] In one or more embodiments, a plurality of connecting screw holes are provided on the outer ring air cavity to facilitate the fixed connection between the gas distribution plate body 1 and the furnace head.

[0010] A burner structure includes an inner ring fire cover, an outer ring fire cover and the above-mentioned gas distribution plate structure, wherein the inner ring fire cover is arranged on the inner ring air cavity, the outer ring fire cover is arranged on the outer ring air cavity, and the inner ring fire cover is provided with a center hole, which corresponds to the ventilation hole.

[0011] The second air inlet hole is eccentrically arranged on the air distribution plate, the second air inlet hole and the first air inlet hole are not arranged parallel and concentrically, and the second air inlet hole and the first air inlet hole are located at different positions on the same circle, which can maximize the distance between the inner and outer walls of the second air inlet hole and the first air inlet hole, reduce the difficulty of processing, and at the same time make the wall thickness of the inner and outer walls of the second air inlet hole and the first air inlet hole sufficient, reduce the difficulty of production, avoid the problem of easy damage due to insufficient wall thickness of the inner and outer walls of the second air inlet hole and the first air inlet hole, and also enhance the air tightness

[0012] The beneficial effects of the utility model are as follows: by arranging the first air inlet hole, the second air inlet hole and the vent hole on the main body of the gas distribution plate, during combustion, the vent hole penetrates up and down to provide sufficient oxygen to the burner, thereby improving the combustion efficiency and achieving complete combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the burner structure.

[0014] Figure 2 This is a schematic diagram of the burner structure breakdown.

[0015] Figure 3 Another schematic diagram of the gas distribution plate. DETAILED DESCRIPTION

[0016] The present application scheme is further described as follows in conjunction with the accompanying drawings:

[0017] See attached Figure 1-3 A gas distribution plate structure includes a gas distribution plate main body 1, wherein the gas distribution plate main body 1 is provided with an air vent 13 penetrating from top to bottom, a first air inlet hole 11, a second air inlet hole 12, an inner ring air cavity 14 and an outer ring air cavity 15, wherein the first air inlet hole 11 is connected to the outer ring air cavity 15, and the second air inlet hole 12 is connected to the inner ring air cavity 14, the air vent 13 is located at the center of the inner ring air cavity 14, and the second air inlet hole 12 is eccentrically arranged on the gas distribution plate main body 1.

[0018] Furthermore, the second air inlet hole 12 is located inside the first air inlet hole 11 , and the first air inlet hole 11 and the second air inlet hole 12 are relatively independently arranged.

[0019] Furthermore, a first connecting plate 121 and a second connecting plate 122 are provided between the inner wall of the first air inlet hole 11 and the vent hole 13 to form the second air inlet hole 12 .

[0020] Furthermore, a ventilation bridge 16 is provided on the outer ring air cavity 15 , and the ventilation bridge 16 connects the first air inlet hole 11 and the outer ring air cavity 15 .

[0021] Furthermore, a plurality of ventilation bridges 16 are arranged on the outer ring air cavity 15 . The ventilation bridges 16 are evenly arranged around the center of the air distribution plate body 1 . The ventilation bridges 16 are provided with upper bridge surfaces.

[0022] Furthermore, the gas distribution plate body 1 is also provided with a connecting bridge 17 , and the connecting bridge 17 connects the outer ring of the gas distribution plate body 1 and the outer wall of the first air inlet hole 11 .

[0023] Furthermore, a plurality of connecting screw holes 18 are provided on the outer ring air cavity 15 .

[0024] A burner structure includes an inner ring fire cover 2, an outer ring fire cover 3 and the above-mentioned gas distribution plate structure, wherein the inner ring fire cover 2 is covered on the inner ring air cavity 14, and the outer ring fire cover 3 is covered on the outer ring air cavity 15. The inner ring fire cover 2 is provided with a center hole 21, and the center hole 21 corresponds to the air vent 13.

[0025] 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.

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] 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 gas distribution plate structure, characterized in that: It includes an air distribution plate main body, which is provided with an air vent hole running through from top to bottom, a first air inlet hole, a second air inlet hole, an inner ring air cavity and an outer ring air cavity, the first air inlet hole is connected to the outer ring air cavity, the second air inlet hole is connected to the inner ring air cavity, the air vent hole is located at the center of the inner ring air cavity, and the second air inlet hole is eccentrically arranged on the air distribution plate main body.

2. The gas distribution plate structure according to claim 1, characterized in that: The second air inlet hole is located inside the first air inlet hole, and the first air inlet hole and the second air inlet hole are relatively independently arranged.

3. The gas distribution plate structure according to claim 2, characterized in that: A first connecting plate and a second connecting plate are arranged between the inner wall of the first air inlet hole and the vent hole to form a second air inlet hole.

4. The gas distribution plate structure according to claim 2, characterized in that: A ventilation bridge is arranged on the outer ring air cavity, and the ventilation bridge connects the first air inlet hole and the outer ring air cavity.

5. The gas distribution plate structure according to claim 4, characterized in that: A plurality of ventilation bridges are arranged on the outer ring air cavity, the ventilation bridges are evenly arranged around the center of the air distribution plate body, and the ventilation bridges are provided with an upper bridge surface.

6. The gas distribution plate structure according to claim 4, characterized in that: The gas distribution plate body is also provided with a connecting bridge, and the connecting bridge connects the outer ring of the gas distribution plate body and the outer wall of the first air inlet hole.

7. The gas distribution plate structure according to claim 2, characterized in that: The outer ring air cavity is provided with a plurality of connecting screw holes.

8. A burner structure, characterized in that: It comprises an inner ring fire cover, an outer ring fire cover and the gas distribution plate structure as described in any one of claims 1 to 7, wherein the inner ring fire cover is arranged on the inner ring air cavity, the outer ring fire cover is arranged on the outer ring air cavity, and the inner ring fire cover is provided with a center hole, which corresponds to the ventilation hole.

Images