Combustor structure and combustion device
By introducing an outer ring, an inner ring cavity, and a gas cavity into the burner, and setting an air inlet and a central through hole, the problem of single-cavity burners being unable to form three rings or prevent dry burning is solved, realizing diversified combustion modes and enhanced applicability.
Patent Information
- Application Number
- CN202520174960.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing single-chamber burners are difficult to form three-ring combustion or anti-dry-burning burners, resulting in red flames in the central combustion chamber and insufficient applicability.
By introducing an outer ring, an inner ring cavity, and a gas cavity into the burner structure, and setting an inner ring air inlet and an outer ring air inlet, combined with a central through hole, an oxygen replenishment hole, an anti-dry burning device, or a three-ring fire structure is formed, enhancing the versatility and applicability of the burner.
It achieves diversified combustion modes to meet different production needs, enhances the applicability of the burner, and avoids the red flame phenomenon in the central combustion chamber.
Smart Images
Figure CN223840367U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a burner structure and a combustion device. Background Technology
[0002] Existing single-chamber burners generally have an outer ring combustion chamber and a central combustion chamber. During use, the central combustion chamber will burn with a red flame, and there are only two ring combustion chambers, making it difficult to form a three-ring burner or an anti-dry-burning burner. Utility Model Content
[0003] This utility model proposes a burner structure, including a burner head and a gas distribution plate. The burner head is provided with a central through hole, an outer gas chamber, and an inner gas chamber. The outer gas chamber is connected to an outer ejector tube, and the inner gas chamber is connected to an inner ejector tube. The central through hole is vertically connected and located at the center of the outer gas chamber. The gas distribution plate is provided with an outer ring, an inner ring cavity, and a gas chamber. The gas chamber is provided with an inner ring air inlet and an outer ring air inlet. The inner ring air inlet is connected to the inner gas chamber, the outer ring air inlet is connected to the outer ring through a vent bridge, and the inner ring air inlet is connected to the inner ring cavity.
[0004] By setting an outer ring, an inner ring cavity, and a gas chamber in the gas distribution plate, and setting an inner ring air inlet and an outer ring air inlet on the gas chamber, the inner ring air inlet is connected to the inner ring cavity, and the outer ring air inlet is connected to the outer ring through the ventilation cavity. An oxygen replenishment hole can be formed on the central through hole, or an anti-dry burning device can be set to form an anti-dry burning burner, or a direct injection can be set to form a three-ring fire structure. It has multiple functions, meets different production needs, and has strong applicability.
[0005] In one or more embodiments, the projection of the inner ring air inlet and the projection of the outer ring air inlet combine to form a ring, and a through hole is provided at the center of the air distribution plate, the through hole being located at the center of the ring.
[0006] In one or more embodiments, the inner ring air inlet protrudes downward beyond the outer ring air inlet.
[0007] In one or more embodiments, the air cavity is provided with a cavity wall, the air bridge is provided with a plurality of air inlets, and the air inlets are located on the cavity wall where the outer ring air inlet is located.
[0008] In one or more embodiments, the outer ring is located at the upper part of the air distribution plate, the air chamber is located at the lower part of the air distribution plate, and the air bridge extends from the air chamber towards the outer ring, obliquely connecting the lower and upper parts of the air distribution plate.
[0009] In one or more embodiments, the inner air cavity and the outer air cavity are combined to form a ring, wherein the inner air cavity is a part of the ring and the outer air cavity is another part of the ring.
[0010] In one or more embodiments, a mounting bracket is provided on the central through hole.
[0011] A combustion device includes the burner structure described above, wherein an anti-dry-burning device or a central flame mechanism may be provided on the central through hole, an outer ring flame cap is provided on the outer ring, and an inner ring flame cap is provided on the inner ring cavity; or the central through hole forms an oxygen supply hole.
[0012] In one or more embodiments, when a central ignition mechanism is provided on the central through hole, the central ignition mechanism includes a direct injection nozzle, an ejector tube may be provided above the direct injection nozzle, the ejector tube is provided on the mounting bracket, a gap is provided between the direct injection nozzle and the ejector tube to guide air, and a central ignition cap is provided on the top of the ejector tube.
[0013] In one or more embodiments, when the top of the direct injection nozzle is not provided with an ejector tube, the central through hole forms a direct injection center fire.
[0014] The beneficial effects of this utility model are as follows: By setting an outer ring, an inner ring cavity, and a gas cavity in the gas distribution plate, and setting an inner ring air inlet and an outer ring air inlet on the gas cavity, the inner ring air inlet is connected to the inner ring cavity, and the outer ring air inlet is connected to the outer ring through the ventilation cavity. An oxygen replenishment hole can be formed on the central through hole, or an anti-dry burning device can be set to form an anti-dry burning burner, or a direct injection can be set to form a three-ring fire structure. It has multiple functions, meets different production needs, and has strong applicability. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the burner structure.
[0016] Figure 2 This is a schematic cross-sectional view of the burner structure.
[0017] Figure 3 This is a schematic diagram of the burner head structure.
[0018] Figure 4 This is a schematic diagram of the gas distribution plate of the burner structure.
[0019] Figure 5 This is a schematic diagram of the other side of the gas distribution plate of the burner structure.
[0020] Figure 6 A cross-sectional diagram of the burner to prevent dry burning.
[0021] Figure 7 This is a schematic cross-sectional view of a three-ring burner. Detailed Implementation
[0022] The following description, in conjunction with the accompanying drawings, further illustrates the proposed solution:
[0023] See appendix Figure 1-7A burner structure includes a burner head 1 and a gas distribution plate 2. The burner head 1 is provided with a central through hole 11, an outer gas chamber 12, and an inner gas chamber 13. The outer gas chamber 12 is connected to an outer ejector tube 14, and the inner gas chamber 13 is connected to an inner ejector tube 15. The central through hole 11 is vertically connected and located at the center of the outer gas chamber 12. The gas distribution plate 2 is provided with an outer ring 21, an inner ring cavity 22, and a gas chamber 23. The gas chamber 23 is provided with an inner ring air inlet 231 and an outer ring air inlet 232. The inner ring air inlet 231 is connected to the inner gas chamber 13, the outer ring air inlet 232 is connected to the outer ring 21 through a venting bridge 24, and the inner ring air inlet 231 is connected to the inner ring cavity 22.
[0024] Furthermore, the projection of the inner ring air inlet 231 and the projection of the outer ring air inlet 232 combine to form a ring, and a through hole is provided at the center of the air distribution plate 2, the through hole being located at the center of the ring.
[0025] Furthermore, the inner ring air inlet 231 protrudes downward from the outer ring air inlet 232.
[0026] Furthermore, the air chamber 23 is provided with a chamber wall 233, and the air bridge 24 is provided with three air inlets 234, the air inlets 234 being located on the chamber wall where the outer ring air inlet 232 is located.
[0027] Furthermore, the outer ring 21 is located at the upper part of the air distribution plate 2, the air chamber 23 is located at the lower part of the air distribution plate 2, and the air bridge 24 extends from the air chamber 23 towards the outer ring 21 and connects the lower and upper parts of the air distribution plate 2.
[0028] Furthermore, the downward projection of the inner air cavity 13 and the downward projection of the outer air cavity 12 form a ring, and the inner air cavity 13 and the outer air cavity 12 combine to form a ring, with the inner air cavity 13 being one part of the ring and the outer air cavity 12 being the other part of the ring.
[0029] Furthermore, a mounting bracket 16 is provided on the central through hole 11.
[0030] A combustion device includes the burner structure described above, wherein an anti-dry burning device 6 or a central flame mechanism may be provided on the central through hole 11, an outer ring flame cap 3 is provided on the outer ring 21, and an inner ring flame cap 4 is provided on the inner ring cavity 22; or the central through hole 11 forms an oxygen supply hole.
[0031] Furthermore, when a central flame mechanism is provided on the central through hole 11, the central flame mechanism includes a direct injection nozzle 5, and an ejector tube 51 may be provided above the direct injection nozzle 5. The ejector tube 51 is provided on the mounting bracket 16, and a gap is provided between the direct injection nozzle 5 and the ejector tube 51 to guide air. A central flame cover 52 is provided on the top of the ejector tube 51.
[0032] Furthermore, when the top of the direct injection nozzle 5 is not provided with an ejector tube 51, the central through hole 11 forms a direct injection center fire.
[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0036] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0038] The above preferred embodiments should be regarded as illustrative examples of the embodiments of the present application. Any technical deductions, substitutions, improvements, etc. that are similar to or based on the present application should be considered within the scope of protection of this patent.
Claims
1. A burner structure, characterized in that, The device includes a burner head and a gas distribution plate. The burner head is provided with a central through hole, an outer gas chamber, and an inner gas chamber. The outer gas chamber is connected to an outer ejector pipe, and the inner gas chamber is connected to an inner ejector pipe. The central through hole is vertically connected and located at the center of the outer gas chamber. The gas distribution plate is provided with an outer ring, an inner ring cavity, and a gas chamber. The gas chamber is provided with an inner ring air inlet and an outer ring air inlet. The inner ring air inlet is connected to the inner gas chamber, the outer ring air inlet is connected to the outer ring via a vent bridge, and the inner ring air inlet is connected to the inner ring cavity.
2. The burner structure according to claim 1, characterized in that, The projections of the inner and outer ring air inlets combine to form a ring, and a through hole is provided at the center of the air distribution plate, with the through hole located at the center of the ring.
3. The burner structure according to claim 2, characterized in that, The inner ring air inlet protrudes downwards from the outer ring air inlet.
4. The burner structure according to claim 2, characterized in that, The air chamber is provided with a cavity wall, and the air bridge is provided with multiple air inlets, the air inlets being located on the cavity wall where the outer ring air inlet is located.
5. The burner structure according to claim 1, characterized in that, The outer ring is located at the upper part of the air distribution plate, the air chamber is located at the lower part of the air distribution plate, and the air bridge extends from the air chamber towards the outer ring, connecting the lower and upper parts of the air distribution plate.
6. The burner structure according to claim 1, characterized in that, The inner air cavity and the outer air cavity combine to form a ring, with the inner air cavity being one part of the ring and the outer air cavity being the other part of the ring.
7. The burner structure according to claim 1, characterized in that, A mounting bracket is provided on the central through hole.
8. A combustion device, characterized in that, The burner structure includes any one of claims 1-7, wherein an anti-dry-burning device or a central ignition mechanism may be provided on the central through hole, an outer ring flame cap is provided on the outer ring, and an inner ring flame cap is provided on the inner ring cavity; or the central through hole forms an oxygen supply hole.
9. The combustion device according to claim 8, characterized in that, When a central ignition mechanism is provided on the central through hole, the central ignition mechanism includes a direct injection nozzle, an ejector tube may be provided above the direct injection nozzle, the ejector tube is provided on the mounting bracket of the central through hole, a gap is provided between the direct injection nozzle and the ejector tube to guide air, and a central ignition cap is provided on the top of the ejector tube.
10. The combustion device according to claim 9, characterized in that, When the top of the direct injection nozzle is not equipped with an ejector tube, the central through hole forms the direct injection center fire.