Upper air inlet combustor, nozzle seat and upper air inlet combustion device

Abstract

The utility model provides an upper air inlet combustor, a nozzle seat and an upper air inlet combustion device, and relates to the technical field of combustors. The upper air inlet burner comprises a burner body, at least one inner ring injection pipe and a plurality of outer ring injection pipes, the combustor body is provided with an inner ring cavity and an outer ring cavity located on the peripheral side of the inner ring cavity. A first air outlet of the inner ring injection pipe communicates with the inner ring cavity, and a first air inlet of the inner ring injection pipe is located below the inner ring cavity in the preset direction; a second air outlet of the outer ring injection pipe communicates with the outer ring cavity, and a second air inlet of the outer ring injection pipe is located below the inner ring cavity in the preset direction. According to the technical scheme, the technical problem that due to the fact that the number of the injection pipes is large, the air inflow space structure below the gas mixing chamber is complex, the airflow turbulence phenomenon occurs outside the gas mixing chamber, and then the combustion efficiency of the combustor is affected can be solved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of burners, and in particular to an upper air inlet burner, a nozzle seat and an upper air inlet combustion device. Background Art

[0002] Traditional burners are mostly bottom-intake structures, which rely on the air supply under the cabinet and are easily restricted by ventilation conditions, which in turn affects combustion efficiency. Top-intake burners are equipped with independent air inlets above the cooktop panel to directly inhale external air for combustion, ensuring sufficient and stable air supply. Even when installed in a closed cabinet, they can maintain efficient and uniform combustion.

[0003] In the prior art, due to the limited space on the burner plate, the ejector tube is often set shorter, and its ejection capacity is limited, which will lead to lower combustion efficiency. In order to increase its combustion efficiency, more ejector tubes are often set to increase the combustion efficiency.

[0004] However, due to the large number of ejector tubes, the air inflow space structure below the mixing chamber is complex, which leads to air flow turbulence outside the mixing chamber, thereby affecting the combustion efficiency of the burner. Utility Model Content

[0005] The purpose of the embodiments disclosed herein is to provide an upper air inlet burner, a nozzle seat and an upper air inlet combustion device to solve the problem in the prior art that due to the large number of ejector tubes and the complex structure of the air inflow space below the mixing chamber, turbulent air flow occurs inside and outside the mixing chamber, thereby affecting the combustion efficiency of the burner.

[0006] To solve the above technical problems, the embodiments of the present disclosure provide the following technical solutions:

[0007] The first aspect of the present disclosure provides an upward air intake burner, comprising:

[0008] A burner body, the burner body having an inner ring chamber and an outer ring chamber located on the periphery of the inner ring chamber;

[0009] At least one inner ring ejector tube, a first air outlet of the inner ring ejector tube is communicated with the inner ring chamber, and a first air inlet of the inner ring ejector tube is located below the inner ring chamber along a preset direction;

[0010] A plurality of outer ring ejector tubes, the second air outlets of the outer ring ejector tubes are connected to the outer ring chamber, and the second air inlet of the outer ring ejector tubes are located below the inner ring chamber along a preset direction.

[0011] Furthermore, the first air inlet and the second air inlet are alternately arranged along the circumference of the inner annular chamber and below the inner annular chamber along a preset direction.

[0012] Further, a center point of the first air inlet and a center point of the second air inlet have a position difference along a preset direction.

[0013] Further, the center point of the first air inlet is located close to the inner ring chamber, and the center point of the second air inlet is located far away from the inner ring chamber.

[0014] Furthermore, the first gas outlet of at least one inner ring ejector tube extends into the inner ring chamber and is evenly arranged in the inner ring chamber along the circumference of the inner ring chamber;

[0015] The second gas outlets of the plurality of outer ring ejector tubes extend into the outer ring chamber and are evenly arranged in the outer ring chamber along the circumference of the outer ring chamber.

[0016] Further, the first air outlet faces the outer inner wall of the inner ring chamber and is inclined toward the inner inner wall of the inner ring chamber;

[0017] The second air outlet faces the outer inner wall of the outer ring chamber and is inclined toward the inner inner wall of the outer ring chamber.

[0018] Furthermore, the burner body also includes:

[0019] An inner ring igniter seat and an inner ring burner cover, wherein the inner ring burner cover covers the inner ring igniter seat to form an inner ring chamber, and the inner ring ejector tube penetrates the inner ring igniter seat;

[0020] An outer ring igniter seat and an outer ring burner cover, the outer ring burner cover covers the outer ring igniter seat to form an outer ring chamber, the outer ring ejector tube penetrates the outer ring igniter seat, and the outer ring igniter seat is connected to the inner ring igniter seat through the outer ring ejector tube.

[0021] Furthermore, the burner body further comprises:

[0022] An inner ring fire cover, the inner ring fire cover is connected to the inner ring fire distributor seat, the inner ring fire cover and the inner ring burner cover enclose an inner ring fire outlet channel, the inner ring fire outlet channel is connected to the inner ring chamber, the inner inner wall and the outer inner wall of the inner ring fire outlet channel are along a preset direction, and the diameter gradually increases in the direction away from the inner ring fire distributor seat;

[0023] An outer ring fire cover is connected to an outer ring igniter seat, the outer ring fire cover and the outer ring burner cover enclose an outer ring fire outlet channel, the outer ring fire outlet channel is connected to the outer ring chamber, the inner wall on the inner side and the outer wall on the outer side of the outer ring fire outlet channel are both along a preset direction, and the diameter gradually increases in the direction away from the outer ring igniter seat.

[0024] Furthermore, the upper air inlet burner also includes:

[0025] The inner drainage ring, the outer ring of the inner drainage ring is connected to the inner wall of the outer side of the inner ring cavity, the inner ring of the inner drainage ring is inclined away from the inner ring fire outlet channel, and a plurality of drainage structures are evenly arranged on the ring surface of the inner drainage ring.

[0026] Furthermore, the upper air inlet burner also includes:

[0027] The outer drainage ring, the outer ring of the outer drainage ring is connected to the outer ring chamber, the outer drainage ring has two annular surfaces, and a plurality of drainage structures are evenly arranged on the two annular surfaces.

[0028] A second aspect of the present disclosure provides a nozzle holder, comprising:

[0029] The nozzle seat body has a mounting plate surface;

[0030] Multiple nozzles are arranged in a circular array at preset positions on the mounting plate surface, and the preset positions can correspond to the positions of the inner ring chambers of the upper air inlet burner along a preset direction. The multiple nozzles are used to provide gas to the first air inlet port of the inner ring ejector tube and the second air inlet port of the outer ring ejector tube of the upper air inlet burner.

[0031] Furthermore, the nozzle seat also includes:

[0032] The mounting seat is arranged at the center of the mounting panel, and a plurality of nozzles are arranged around the mounting seat. An ignition assembly and an induction assembly are arranged in the mounting seat. The mounting seat can be installed with an upper air inlet burner, and the ignition end of the ignition assembly and the induction end of the induction assembly can be surrounded by the inner ring chamber of the upper air inlet burner.

[0033] Further, the nozzle comprises:

[0034] The outer ring nozzle and the inner ring nozzle are alternately arranged at preset positions along a circumferential array.

[0035] Furthermore, the first injection port of the outer ring nozzle and the second injection port of the inner ring nozzle have a position difference along a preset direction.

[0036] Furthermore, the first injection port is located near the mounting plate surface, and the second injection port is located far from the mounting plate surface.

[0037] The third aspect of the present disclosure provides an upward air intake combustion device, which comprises:

[0038] The first aspect of the present disclosure provides an upward air intake burner;

[0039] The nozzle seat provided in the second aspect of the present disclosure has a burner body of an upper air inlet burner connected to the nozzle seat body of the nozzle seat, and a plurality of nozzles of the nozzle seat are respectively adapted to the first air inlet of the inner ring ejector tube and the second air outlet of the outer ring ejector tube of the upper air inlet burner.

[0040] The third aspect of the present disclosure provides an upper air inlet combustion device that can directly use the upper air inlet burner provided by the first aspect and the nozzle seat provided by the second aspect. The specific implementation structure can refer to the relevant contents described in the first and second aspects above, and will not be repeated here.

[0041] The first aspect of the present disclosure provides an upper air intake burner, which includes: a burner body, an inner ring ejector tube and an outer ring ejector tube; wherein, a first air outlet of at least one inner ring ejector tube is connected to the inner ring chamber of the burner body, and second air outlets of multiple outer ring ejector tubes are connected to the outer ring chamber of the burner body. The first air inlet of at least one inner ring ejector tube and the second air inlet of multiple outer ring ejector tubes are both arranged below the inner ring chamber along a preset direction, so that the outer ring cavity has a larger space below the preset direction, so that more air can flow smoothly here. When the inner ring ejector tube and the outer ring ejector tube eject the air, the air flow path is smoother, reducing the interference between the air and the ejector tube and between the air and the air, increasing the ejection effect of the inner ring ejector tube and the outer ring ejector tube, and thereby improving the combustion efficiency of the upper air intake burner. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present disclosure will become readily understood. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0043] Figure 1 A first structural diagram of an upper air inlet burner is schematically shown;

[0044] Figure 2 A second structural diagram of an upper air inlet burner is schematically shown;

[0045] Figure 3 A cross-sectional view of an upper air inlet burner is schematically shown;

[0046] Figure 4 The schematic diagram of the structure of the inner drainage ring is shown schematically;

[0047] Figure 5 The schematic diagram of the structure of the outer drainage ring is shown schematically;

[0048] Figure 6 A partial schematic diagram of the inner drainage ring is schematically shown;

[0049] Figure 7 The structural diagram of the nozzle seat is schematically shown;

[0050] Figure 8The structural diagram of the upper air inlet combustion device is schematically shown.

[0051] Description of Figure Numbers:

[0052] 1. Upper air inlet burner;

[0053] 11. Burner body;

[0054] 111, inner ring chamber; 1111, inner ring fire distributor seat; 1112, inner ring burner cover; 11121, first bending structure; 1113, inner ring fire cover; 11131, first flared structure;

[0055] 112, outer ring chamber; 1121, outer ring fire distributor seat; 1122, outer ring burner cover; 11221, second bending structure; 1123, outer ring fire cover; 11231, second flared structure;

[0056] 113, inner ring fire outlet passage; 1131, inner inner wall of the inner ring fire outlet passage; 1132, outer inner wall of the inner ring fire outlet passage;

[0057] 114, outer ring fire outlet channel; 1141, inner wall of inner side of outer ring fire outlet channel; 1142, outer wall of outer ring fire outlet channel; 115, annular mounting frame;

[0058] 12. Inner ring ejector tube; 121. First air outlet; 122. First air inlet;

[0059] 13. Outer ring ejector tube; 131. Second air outlet; 132. Second air inlet;

[0060] 14. Inner drainage ring; 15. Outer drainage ring;

[0061] 16. drainage structure; 161. inclined groove wall; 162. drainage hole;

[0062] 2. Nozzle seat;

[0063] 21. Nozzle seat body; 211. Mounting plate surface;

[0064] 22. Outer ring nozzle; 23. Inner ring nozzle; 24. Mounting seat; 25. Ignition assembly; 26. Induction assembly; 27. Outer ring ejector tube fixing seat;

[0065] A. Preset direction. DETAILED DESCRIPTION

[0066] The following is a further detailed description of the embodiments of the present disclosure in conjunction with the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to exemplarily illustrate the principles of the present disclosure, but cannot be used to limit the scope of the present disclosure. The present disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

[0067] The present disclosure provides these embodiments to make the present disclosure thorough and complete, and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0068] It should be noted that, in the description of the present disclosure, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0069] Embodiment 1

[0070] like Figure 1-3 As shown, embodiment 1 of the first aspect of the present disclosure provides an upper air inlet burner 1, comprising: a burner body 11, at least one inner ring ejector tube 12 and a plurality of outer ring ejector tubes 13; the burner body 11 has an inner ring chamber 111 and an outer ring chamber 112 located on the circumference of the inner ring chamber 111; a first air outlet 121 of the inner ring ejector tube 12 is connected to the inner ring chamber 111, and a first air inlet 122 of the inner ring ejector tube 12 is located below the inner ring chamber 111 along a preset direction A; a second air outlet 131 of the outer ring ejector tube 13 is connected to the outer ring chamber 112, and a second air inlet 132 of the outer ring ejector tube 13 is located below the inner ring chamber 111 along a preset direction A.

[0071] Specifically, the burner body 11 may be a burner body 11 with a gas mixing function, and the inner ring chamber 111 and the outer ring chamber 112 may be two integral annular parts, the annular cavities inside of which respectively constitute the inner ring chamber 111 and the outer ring chamber 112, and the inner ring chamber 111 and the outer ring chamber 112 are concentrically arranged, and are not specifically limited. The inner ring chamber 111 and the outer ring chamber 112 act as the inner ring gas mixing chamber and the outer ring gas mixing chamber in the burner, so that the gas ejected by the ejector pipe and the air are fully mixed in the inner ring chamber 111 and the outer ring chamber 112, and released through the fire holes, so as to realize the combustion work of the upper air inlet burner 1. The outer ring chamber 112 is arranged on the circumferential side of the inner ring chamber 111, which can be understood as the inner ring chamber 111 being sleeved in the inner ring area of ​​the outer ring chamber 112. The two can be connected by a fixed connecting component or relatively fixed by the nozzle seat 2, which is not specifically limited.

[0072] The inner ring ejector tube 12 can be a standard straight ejector tube, or it can be an ejector tube with a certain bend arranged according to the distribution of its first air outlet 121 and the first air inlet 122. The inner ring ejector tube 12 is provided with a venturi structure inside to achieve the ejection of air and gas. The inner ring ejector tube 12 and the burner body 11 can be connected in a way that a through hole is opened on the annular component constituting the inner ring chamber 111, so that the inner ring ejector tube 12 is penetrated in the through hole, so that the first air outlet 121 is located inside the inner ring chamber 111, and then the two can be connected by welding. There is no specific limitation on the connection method, but the air tightness of the connection between the inner ring ejector tube 12 and the annular component constituting the inner ring chamber 111 must be ensured. The preset direction A can be a vertical direction, or a direction having an acute angle with the vertical direction, and there is no specific limitation on it. In this embodiment, the preset direction A can be the thickness direction of the upper air inlet burner 1, and can also be understood as the height direction of the upper air inlet burner 1. When the upper air inlet burner 1 is set on a horizontal working surface for use, the preset direction A can be a vertical direction.

[0073] The outer ring ejector tube 13 can also adopt a standard straight ejector tube. The connection method between the outer ring ejector tube 13 and the burner body 11 can be to open a through hole on the annular component constituting the outer ring chamber 112, and to make the outer ring ejector tube 13 pass through the through hole and weld it, without specific limitation on its connection method. The outer ring ejector tube 13 also has a Venturi structure. The second air outlet 131 of the outer ring ejector tube 13 is located below the inner ring chamber 111 along the preset direction A. It can be understood that the second air outlet 131 of the outer ring ejector tube 13 is located in the outer ring chamber 112, and then the outer ring ejector tube 13 extends to the inner ring chamber 111 along the preset direction A. The second air inlet 132 and the first air inlet 122 of the outer ring ejector tube 13 and the inner ring ejector tube 12 are both located below the inner ring chamber 111 along the preset direction A. The arrangement of the first air inlet 122 and the second air inlet 132 is not specifically limited, and a plurality of first air inlets 122 and second air inlets 132 may be concentrated together.

[0074] The specific number of the inner ring ejector tubes 12 and the outer ring ejector tubes 13 is not limited, and can be selected according to the total amount of air and gas required during actual operation, and also needs to be selected according to the space limitation inside the upper air intake burner 1. In this embodiment, two inner ring ejector tubes 12 and two outer ring ejector tubes 13 can be used to provide a mixed gas of air and gas for the upper air intake burner.

[0075] The first embodiment of the present disclosure provides an upper air inlet burner 1, which includes: a burner body 11, an inner ring ejector tube 12 and an outer ring ejector tube 13; wherein, at least one first air outlet 121 of the inner ring ejector tube 12 is connected to the inner ring chamber 111 of the burner body 11, and a plurality of second air outlets 131 of the outer ring ejector tubes 13 are connected to the outer ring chamber 112 of the burner body 11, and at least one first air inlet 122 of the inner ring ejector tube 12 and a plurality of second air inlet ports 131 of the outer ring ejector tubes 13 are connected to the outer ring chamber 112 of the burner body 11. 132 are all arranged below the inner ring chamber 111 along the preset direction A, so that the outer ring chamber 112 has a larger space below the preset direction A, so that more air can flow smoothly here. When the inner ring ejector tube 12 and the outer ring ejector tube 13 eject the air, the air flow path is smoother, which reduces the interference between the air and the ejector tube and between the air, increases the ejection effect of the inner ring ejector tube 12 and the outer ring ejector tube 13, and thus improves the combustion efficiency of the upper air inlet burner 1.

[0076] like Figure 1 As shown, in some embodiments, the first air inlet 122 and the second air inlet 132 are alternately arranged below the inner annular chamber 111 along the preset direction A along the circumference of the inner annular chamber 111 .

[0077] Specifically, the first air inlet 122 and the second air inlet 132 are arranged in a circular array along the circumference of the inner ring chamber 111, that is, along the circumference of the inner ring chamber 111, and there is a first air inlet 122 between two adjacent second air inlets 132. The reason for such arrangement is that the outer ring chamber 112 is larger in volume than the inner ring chamber 111, and more mixed gas is required inside it. If the first air inlet 122 and the second air inlet 132 are centrally arranged, the air flow rate at the concentration of the second air inlet 132 will be large, while the air flow rate at the concentration of the first air inlet 122 will be small, so that the air flow below the inner ring chamber 111 along the preset direction A is turbulent, affecting the combustion efficiency of the upper air intake burner 1. The first air inlet 122 and the second air inlet 132 are alternately arranged along the circumference of the inner ring chamber 111, which is conducive to enhancing the stability of the air flow, and can more finely control the amount of air and gas entering the burner to increase the stability of the combustion chamber. At the same time, the space below the inner annular chamber 111 along the preset direction A is utilized more reasonably to reduce the interference of components on the airflow.

[0078] like Figure 1-3 As shown, in some embodiments, a center point of the first air inlet 122 and a center point of the second air inlet 132 have a position difference along a preset direction A.

[0079] Specifically, in order to ensure the ejection efficiency of the inner ring ejector tube 12 and the outer ring ejector tube 13, the cross section of the ejector tube in the length direction can be set to a circular cross section, and the corresponding first air inlet 122 and the second air inlet 132 are circular holes, and the center points of the two are the center of the circle. Setting the position difference between the center point of the first air inlet 122 and the center of the second air inlet 132 along the preset direction A can make the first air inlet 122 and the second air inlet 132 eject air from different height positions, effectively preventing the first air inlet 122 and the second air inlet 132 from interfering with each other when ejecting air.

[0080] like Figure 1 As shown, in some embodiments, the center point of the first air inlet 122 is located close to the inner annular chamber 111 , and the center point of the second air inlet 132 is located far away from the inner annular chamber 111 .

[0081] Specifically, the center point of the first air inlet 122 is closer to the inner ring chamber 111 than the center point of the second air inlet 132. The volume of the outer ring chamber 112 is larger than that of the inner ring chamber 111, and more mixed gas of air and fuel gas is required, so the outer ring ejector tube 13 needs to be longer in order to eject more air into the outer ring chamber 112. The center point of the second air inlet 132 is set below the center point of the first air inlet 122 to ensure that the center point of the first air inlet 122 and the center point of the second air inlet 132 have a position difference, and the outer ring ejector tube 13 is made longer, which can effectively increase the ejection amount of air by the outer ring ejector tube 13. At the same time, the cross-sectional size of the outer ring ejector tube 13 along the length direction can be enlarged so that the center point of the second air inlet 132 is located below the center point of the first air inlet 122 along the preset direction A, so as to increase the ejection amount of air by the outer ring ejector tube 13. To ensure that the inner ring ejector tube 12 can also eject enough air, the inner ring ejector tube 12 can be set as a curved ejector tube to increase the length of the inner ring ejector tube 12 and reduce the space occupied by the inner ring ejector tube 12 to facilitate the setting of the outer ring ejector tube 13.

[0082] like Figure 2 As shown, in some embodiments, the first air outlet 121 of at least one inner ring ejector tube 12 extends into the inner ring chamber 111, and is evenly distributed in the inner ring chamber 111 along the circumference of the inner ring chamber 111; the second air outlets 131 of multiple outer ring ejector tubes 13 extend into the outer ring chamber 112, and are evenly distributed in the outer ring chamber 112 along the circumference of the outer ring chamber 112.

[0083] Specifically, the first air outlet 121 and the second air outlet 131 are evenly arranged in the inner ring chamber 111 and the outer ring chamber 112, which can make the mixed gas entering the inner ring chamber 111 and the outer ring chamber 112 more uniform, and at the same time, to a certain extent, avoid the mixed gas entering the inner ring chamber 111 and the outer ring chamber 112 from colliding and interfering with each other in the inner ring chamber 111 and the outer ring chamber 112. Since the first air outlet 121 and the second air outlet 131 are respectively arranged in the inner ring chamber 111 and the outer ring chamber 112, the first air inlet 122 and the second air inlet 132 located below the inner ring chamber 111 along the preset direction A are also in a uniformly distributed state, which can also make the air flow below the inner ring chamber 111 along the preset direction A more stable, and effectively reduce the interference between air and air. The first gas outlet 121 and the second gas outlet 131 extend into the inner ring chamber 111 and the outer ring chamber 112 respectively, so that the mixed gas sprayed into the inner ring chamber 111 and the outer ring chamber 112 by the inner ring ejector tube 12 and the outer ring ejector tube 13 can be mixed more fully.

[0084] In this embodiment, the two outer ring ejector tubes 13 and the two inner ring ejector tubes 12 can be divided into two groups, each group having an inner ring ejector tube 12 and an outer ring ejector tube 13, the first air inlet 122 and the second air inlet 132 in each group are close and staggered, the two groups are arranged along the circumferential circle of the inner ring chamber 111, and are evenly arranged so that the four air inlets are in a staggered state, and at the same time, the space below the outer ring chamber 112 along the preset direction A can be arranged in an orderly manner, thereby reducing the interference between air and air and between air and components.

[0085] like Figure 2 As shown, in some embodiments, the first air outlet 121 faces the outer inner wall of the inner ring chamber 111 and is inclined toward the inner inner wall of the inner ring chamber 111; the second air outlet 131 faces the outer inner wall of the outer ring chamber 112 and is inclined toward the inner inner wall of the outer ring chamber 112.

[0086] Specifically, the first air outlet 121 faces the outer inner wall of the inner ring chamber 111 and is inclined toward the inner inner wall of the inner ring chamber 111. It can be understood that the line connecting the center point of the first air outlet 121 and the center point of the inner ring chamber 111 has a preset angle with the direction of the first air outlet 121, and the preset angle can be within a range of greater than or equal to 90° and less than 180°. Without specific limitation, in this embodiment, the line connecting the center point of the first air outlet 121 and the center point of the inner ring chamber 111 can have a preset angle of 90° with the direction of the first air outlet 121, and the angle can be optimized and adjusted according to the size requirements of the inner ring chamber 111. Similarly, the second air outlet 131 faces the outer inner wall of the outer ring chamber 112 and is inclined toward the inner inner wall of the outer ring chamber 112. It can also be understood that the line connecting the center point of the second air outlet 131 and the center point of the outer ring chamber 112 has a preset angle with the direction of the second air outlet 131. There is no specific limitation on the preset angle. The preset angle can be between 90° and 180°, and can be optimized and adjusted according to the size requirements of the outer ring chamber 112. In this embodiment, the inner inner wall and the outer inner wall of the inner ring chamber 111 and the outer ring chamber 112 refer to the inner wall close to the center of the inner ring chamber 111 or the outer ring chamber 112 as the inner inner wall, and the outer outer wall away from the center of the circle as the outer outer wall.

[0087] With such arrangement, the mixed gas released from the first gas outlet 121 and the second gas outlet 131 can flow clockwise or counterclockwise in the inner ring chamber 111 and the outer ring chamber 112 respectively and form a vortex to prevent the gases released from each first gas outlet 121 and each second gas outlet 131 from colliding in the inner ring chamber 111 and the outer ring chamber 112 respectively when multiple first gas outlets 121 and multiple second gas outlets 131 are arranged in the inner ring chamber 111 and the outer ring chamber 112, causing the pressure at the colliding point to be too high and causing flame separation or flashback in the burner.

[0088] like Figure 3 As shown, in some embodiments, the burner body 11 includes: an inner ring igniter seat 1111, an inner ring burner cover 1112, an outer ring igniter seat 1121 and an outer ring burner cover 1122; the inner ring burner cover 1112 covers the inner ring igniter seat 1111 to form an inner ring chamber 111, and the inner ring ejector tube 12 is passed through the inner ring igniter seat 1111; the outer ring burner cover 1122 covers the outer ring igniter seat 1121 to form an outer ring chamber 112, and the outer ring ejector tube 13 is passed through the outer ring igniter seat 1121, and the outer ring igniter seat 1121 is connected to the inner ring igniter seat 1111 through the outer ring ejector tube 13.

[0089] Specifically, the inner ring fire divider seat 1111, the inner ring burner cover 1112, the outer ring fire divider seat 1121 and the outer ring burner cover 1122 can all adopt the corresponding parts in the prior art, and are not specifically limited. The connection method of the inner ring fire divider seat 1111 and the inner ring burner cover 1112, and the outer ring fire divider seat 1121 and the outer ring burner cover 1122 can be riveted, or it can be provided with a card slot and a card holding block for card connection, and its specific connection method is not limited, and it can be guaranteed to have a stable connection during work, and it can be detachable. Mounting holes can be respectively set on the inner ring fire divider seat 1111 and the outer ring fire divider seat 1121, and the outer ring ejector tube 13 and the inner ring ejector tube 12 are respectively penetrated in the mounting holes of the inner ring fire divider and the outer ring fire divider and welded. The outer ring ejector tube 13 and the inner ring igniter seat 1111 can be connected by welding the outer wall of the outer ring ejector tube 13 to the bottom of the inner ring igniter tube. Such a setting can realize the integration of the inner ring igniter seat 1111 and the outer ring igniter seat 1121, and then realize the integration of the inner ring chamber 111 and the outer ring chamber 112, realize structural integration, and facilitate the disassembly and assembly of the upper air inlet burner 1.

[0090] like Figure 3As shown, in some embodiments, the burner body 11 further includes: an inner ring fire cover 1113 and an outer ring fire cover 1123; the inner ring fire cover 1113 is connected to the inner ring fire distributor seat 1111, the inner ring fire cover 1113 and the inner ring burner cover 1112 enclose an inner ring fire outlet channel 113, the inner ring fire outlet channel 113 is connected to the inner ring chamber 111, the inner inner wall 1131 of the inner ring fire outlet channel and the outer inner wall 1132 of the inner ring fire outlet channel are both along the preset direction A and away from The diameter of the inner ring igniter seat 1111 gradually increases; the outer ring fire cover 1123 is connected to the outer ring igniter seat 1121, the outer ring fire cover 1123 and the outer ring burner cover 1122 form an outer ring fire outlet channel 114, the outer ring fire outlet channel 114 is connected to the outer ring chamber 112, the inner inner wall 1141 of the outer ring fire outlet channel and the outer inner wall 1142 of the outer ring fire outlet channel are both along the preset direction A, and the diameter gradually increases in the direction away from the outer ring igniter seat 1121.

[0091] Specifically, the connection method between the inner ring fire cover 1113 and the inner ring igniter seat 1111 can be riveted or clamped by a clamping structure, and there is no specific limitation on it. A first bending structure 11121 that bends toward the inner ring cavity is provided in the inner ring area of ​​the inner ring burner cover 1112, and part of the inner ring fire cover 1113 has a first flared structure 11131 along a preset direction A and located above the inner ring chamber 111. The first bending structure 11121 and the two surfaces adjacent to the first flared structure 11131 respectively constitute the inner inner wall 1131 and the outer inner wall of the inner ring fire outlet channel, and the diameter gradually increases in the direction away from the inner ring igniter seat 1111. The connection method between the inner ring fire outlet channel 113 and the inner ring chamber 111 can be that the inner inner wall of the inner ring ignition distributor seat 1111 and the inner ring burner cover 1112 have a gap to form an annular connecting hole, which can connect the inner ring fire outlet channel 113 with the inner ring chamber 111, or an opening can be set on the inner ring burner cover 1112, and the specific connection method is not limited.

[0092] The connection method of the outer ring fire cover 1123 and the outer ring igniter seat 1121 can be the same as the connection method of the inner ring fire cover 1113 and the inner ring igniter seat 1111, and it is not specifically limited. Similarly, a second bending structure 11221 that bends into the outer ring cavity is provided in the inner ring area of ​​the outer ring burner cover 1122, and the outer ring fire cover 1123 has a second flared structure 11231 along a preset direction A and located above the outer ring chamber 112, and the second bending structure 11221 and the two surfaces adjacent to the second flared structure 11231 respectively constitute the inner inner wall 1141 and the outer inner wall of the outer ring fire outlet channel, and the diameter component increases in the direction away from the outer ring igniter seat 1121. The connection method between the outer ring fire outlet channel 114 and the outer ring chamber 112 can be the same as the connection method between the inner ring fire outlet channel 113 and the inner ring chamber 111. The inner wall of the outer ring ignition distributor seat 1121 and the outer ring burner cover 1122 may have a gap, or an opening may be set on the outer ring burner cover 1122. There is no specific limitation on this.

[0093] With such arrangement, the gases ejected from the inner ring chamber 111 and the outer ring chamber 112 respectively from the inner ring fire outlet channel 113 and the outer ring fire outlet channel 114 are diffused. After ignition by the ignition device, the flame of the upper air inlet burner 1 is also diffused, thereby effectively improving the thermal efficiency of the upper air inlet burner 1 to meet the user's demand for higher heating efficiency of the upper air inlet burner 1.

[0094] like Figure 4 , 6 As shown, in some embodiments, the top air inlet burner 1 also includes: an inner guide ring 14, the outer ring of the inner guide ring 14 is connected to the inner wall of the outer side of the inner ring chamber 111, the inner ring of the inner guide ring 14 is inclined away from the inner ring fire outlet channel 113, and a plurality of guide structures 16 are evenly distributed on the annular surface of the inner guide ring 14.

[0095] Specifically, the inner guide ring 14 can be a ring-shaped plate, which is not specifically limited. The connection method between the outer ring of the inner guide ring 14 and the inner ring chamber 111 can be welding, or a connecting plate can be set at the outer ring of the inner guide ring 14, and the connecting plate is clamped between the connection between the inner ring igniter seat 1111 and the inner ring burner cover 1112, and its specific connection method is not limited. The multiple guide structures 16 set on the annular surface of the inner guide ring 14 can be inclined guide holes 162, or they can be guide grooves, one side of the guide groove is an inclined groove wall 161, and the other side of the guide groove has a guide hole 162 on the groove wall, and the inclined groove wall 161 of the guide groove extends into the guide hole 162, and its inclination direction is the same as the flow direction of the mixed gas in the inner ring chamber 111. The inner ring of the inner guide ring 14 is inclined away from the inner ring fire outlet channel 113, which can be understood as the annular surface of the inner guide ring 14 facing the inner ring fire outlet channel 113. With such a configuration, the inner guide ring 14 can allow the mixed gas in the inner ring chamber 111 to flow more smoothly in the internal chamber, allowing the mixed gas to rotate upward from the bottom of the inner guide ring 14 to the top of the inner guide ring 14, which is beneficial to improving the combustion efficiency of the upper air inlet burner 1.

[0096] like Figure 5 As shown, in some embodiments, the upper air inlet burner 1 further includes: an outer guide ring 15, the outer ring of the outer guide ring 15 is connected to the outer ring chamber 112, the outer guide ring 15 has two annular surfaces, and a plurality of guide structures 16 are evenly distributed on the two annular surfaces.

[0097] Specifically, the outer guide ring 15 can also be an annular plate, and the connection method between the outer guide ring 15 and the outer ring chamber 112 can be welding, or a clamping structure can be set in the outer ring chamber 112 to clamp the outer ring guide plate in the outer ring chamber 112. The outer guide ring 15 can be formed by protruding in the direction away from the outer ring igniter seat 1121 to form two annular surfaces, or by being recessed in the direction close to the outer ring igniter seat 1121 to form two annular surfaces, and there is no specific limitation on it.

[0098] In this embodiment, the outer guide ring 15 can be set to a convex shape. The reason is that the volume of the outer ring chamber 112 is relatively large, and the outer ring burner cover 1122 is provided with a second bending structure 11221 to form the outer ring fire outlet channel 114. Part of the mixed gas injected into the outer ring chamber 112 will interfere with the second bending structure 11221, thereby causing the interfered gas to interfere with the non-interfered gas again, which will cause the gas in the outer ring chamber 112 to be more turbulent. The outer guide ring 15 is made to bulge away from the outer ring igniter seat 1121, so that the shape of the outer guide ring 15 and the outer ring burner cover 1122 can correspond, and the airflow inside the outer ring chamber 112 is kept in a stable state while the mixed gas is guided. The two annular surfaces of the outer guide ring 15 can be provided with the same guide structure 16 as that on the inner guide ring 14.

[0099] Embodiment 2

[0100] like Figure 7 As shown, embodiment 2 of the second aspect of the present disclosure provides a nozzle seat 2, which includes: a nozzle seat body 21 and a plurality of nozzles; the nozzles are arranged in a circular array at a preset position on the mounting plate surface 211, and the preset position can correspond to the position of the inner ring chamber 111 of the upper air inlet burner 1 along the preset direction A, and the plurality of nozzles are used to provide gas for the first air inlet 122 of the inner ring ejector tube 12 and the second air inlet 132 of the outer ring ejector tube 13 of the upper air inlet burner 1.

[0101] Specifically, the nozzle seat body 21 can be a standard nozzle seat body 21, which is not specifically limited. Its main function is to support other components on the nozzle seat 2, and other components are integrated on the nozzle seat body 21. The plate surface on the nozzle seat 2 for mounting the nozzle is the mounting plate surface 211. The specific number of nozzles is not limited, and corresponds to the number of the outer ring ejector tube 13 and the inner ring ejector tube 12. When the upper air inlet burner 1 is installed on the nozzle seat 2, the position of the projection of the inner ring chamber 111 along the preset direction A to the mounting plate surface 211 is the preset position. Multiple nozzles are installed at the preset position, and the specific installation method is not limited, as long as the nozzle can provide gas to the outer ring ejector tube 13 and the inner ring ejector tube 12.

[0102] The second embodiment of the second aspect of the present disclosure provides a nozzle seat 2, which includes: a nozzle seat body 21 and a plurality of nozzles, the plurality of nozzles are arranged in a circular array at a preset position of the mounting plate surface 211 of the nozzle seat body 21, and the plurality of nozzles are used to provide gas for the first air inlet 122 of the inner ring ejector tube 12 and the second air inlet 132 of the outer ring ejector tube 13 of the upper air inlet burner 1. The plurality of nozzles are all located below the inner ring chamber 111 along the preset direction A. In this arrangement, no other components are arranged on the portion of the mounting plate surface 211 that is projected and covered by the outer ring chamber 112 along the preset direction. There is a large space below the outer ring chamber 112 along the preset direction A. When the upper air inlet burner 1 ejects air, the air flow path is smoother, reducing the interference between the air and the ejector tube and between the air and the air, thereby improving the combustion efficiency of the upper air inlet burner 1.

[0103] like Figure 7 As shown, in some embodiments, the nozzle seat 2 also includes: a mounting seat 24, the mounting seat 24 is arranged at the center of the mounting panel, and multiple nozzles are arranged around the mounting seat 24, an ignition component 25 and an induction component 26 are arranged in the mounting seat 24, the mounting seat 24 can be installed with the upper air inlet burner 1, and the ignition end of the ignition component 25 and the induction end of the induction component 26 can be surrounded by the inner ring chamber 111 of the upper air inlet burner 1.

[0104] Specifically, the mounting seat 24 can be a mounting bracket. In the present embodiment, the mounting seat 24 can be a mounting block. The mounting seat 24 can be integrally formed with the nozzle seat body 21, or can be connected by bolts or links, and the connection method thereof is not specifically limited. Two first fixed mounting holes can be provided on the mounting seat 24, and a second fixed mounting hole corresponding to the first fixed mounting hole on the mounting seat 24 can be provided on the mounting plate surface 211, and the ignition component 25 and the induction component 26 are inserted into the first fixed mounting hole and the second fixed mounting hole, so that the ignition component 25, the induction component 26 and the plurality of nozzles are integrated on the mounting plate surface 211. The connection method between the upper air inlet burner 1 and the mounting seat 24 is not specifically limited. Two annular mounting frames 115 can be provided on the upper air inlet burner 1, and the annular mounting frame 115 is erected on the mounting seat 24, and the ignition component 25 and the induction component 26 are inserted into the annular mounting frame 115, so as to realize the fixation of the upper air inlet burner 1. At the same time, an outer ring ejector pipe fixing seat 27 may be provided on the mounting plate surface 211 so that the upper air inlet burner 1 can be fixed on the mounting seat 24 more stably.

[0105] like Figure 7 As shown, in some embodiments, the outer ring nozzle 22 and the inner ring nozzle 23 are alternately arranged in a circular array at a preset position.

[0106] The outer ring nozzle 22 provides gas for the outer ring ejector tube 13, and the inner ring nozzle 23 provides gas for the inner ring ejector tube 12. The outer ring nozzle 22 and the inner ring nozzle 23 are alternately arranged in a circumferential array at a preset position, which can effectively adapt the upper air intake burner 1 provided in an embodiment of the present disclosure, and provide gas to the first air inlet 122 and the second air inlet 132 to prevent the air flow interference caused by the inner ring ejector tube 12 and the outer ring ejector tube 13 ejecting air. In this embodiment, two outer ring nozzles 22 and two inner ring nozzles 23 are selected, and they are evenly arranged at the preset position of the mounting plate surface 211 along the circumferential direction of the inner ring chamber 111.

[0107] like Figure 7 As shown, in some embodiments, the first injection port of the outer ring nozzle 22 and the second injection port of the inner ring nozzle 23 have a position difference along the preset direction A. The first injection port is located close to the mounting plate surface 211 , and the second injection port is located away from the mounting plate surface 211 .

[0108] Specifically, the first injection port of the outer ring nozzle 22 and the second injection port of the inner ring nozzle 23 are used to inject gas from the outer ring nozzle 22 and the inner ring nozzle 23, respectively. Such a setting can adapt to the positions of the first air inlet 122 and the second air inlet 132 of the inner ring ejector pipe 12 and the outer ring ejector pipe 13 on the upper air inlet burner 1 provided in an embodiment of the present disclosure. The interference of air flow is further prevented.

[0109] Embodiment 3

[0110] like Figure 8 As shown, embodiment three of the third aspect of the present disclosure provides an upper air inlet combustion device, which includes: the upper air inlet burner 1 provided by embodiment one of the first aspect of the present disclosure and the nozzle seat 2 provided by embodiment two of the second aspect; the burner body 11 of the upper air inlet burner 1 is connected to the nozzle seat body 21 of the nozzle seat 2, and the multiple nozzles of the nozzle seat 2 are respectively adapted to the first air inlet 122 of the inner ring ejector tube 12 and the second air outlet 131 of the outer ring ejector tube 13 of the upper air inlet burner 1.

[0111] Specifically, the upper air inlet combustion device described in the third embodiment can directly use the upper air inlet burner 1 provided in the first embodiment and the nozzle seat 2 provided in the second embodiment. The specific implementation structure can refer to the familiar related contents in the first and second embodiments, which will not be repeated here.

[0112] Embodiment 3 of the third aspect of the present disclosure provides an upper air inlet combustion device, which includes the upper air inlet burner 1 and the nozzle seat 2 provided in Embodiment 1 and Embodiment 2 of the present disclosure. Since the first air inlet 122 of the inner ring ejector tube 12 and the second air inlet 132 of the outer ring ejector tube 13 of the upper air inlet burner 1 are both arranged below the inner ring chamber 111 along the preset direction A, there is a larger space below the outer ring chamber 112 along the preset direction A, so that more air can flow smoothly here. At the same time, no nozzles or other components are set on the part corresponding to the mounting plate surface 211 of the nozzle seat 2 and the outer ring chamber 112, which further enables the air to flow smoothly in the space between the mounting plate surface 211 and the outer ring chamber 112. When the inner ring ejector tube 12 and the outer ring ejector tube 13 eject the air, the air flow path is smoother, reducing the interference between the air and the ejector tube and between the air, increasing the ejection effect of the inner ring ejector tube 12 and the outer ring ejector tube 13, and thus improving the combustion efficiency of the upper air inlet burner 1.

[0113] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

[0114] In addition, the words "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0115] It should also be noted that in the description of the present disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0116] All terms used in the present disclosure have the same meanings as those understood by those of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, for example, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined as such herein.

[0117] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

Claims

1. An upward air inlet burner, characterized in that: include: A burner body, wherein the burner body has an inner ring chamber and an outer ring chamber located on the periphery of the inner ring chamber; At least one inner ring ejector tube, wherein a first air outlet of the inner ring ejector tube is in communication with the inner ring chamber, and a first air inlet of the inner ring ejector tube is located below the inner ring chamber along a preset direction; A plurality of outer ring ejector tubes, wherein the second air outlet of the outer ring ejector tube is connected to the outer ring chamber, and the second air inlet of the outer ring ejector tube is located below the inner ring chamber along the preset direction.

2. The upward air inlet burner according to claim 1, characterized in that: The first air inlet and the second air inlet are alternately arranged along the circumference of the inner annular chamber and below the inner annular chamber along the preset direction.

3. The upward air inlet burner according to claim 1 or 2, characterized in that: A center point of the first air inlet and a center point of the second air inlet have a position difference along a preset direction.

4. The upward air inlet burner according to claim 3, characterized in that: The center point of the first air inlet is located close to the inner ring chamber, and the center point of the second air inlet is located far away from the inner ring chamber.

5. The upward air inlet burner according to claim 1, characterized in that: The first gas outlet of at least one of the inner ring ejector tubes extends into the inner ring chamber and is evenly arranged in the inner ring chamber along the circumference of the inner ring chamber; The second gas outlets of the plurality of outer ring ejector tubes extend into the outer ring chamber and are evenly arranged in the outer ring chamber along the circumference of the outer ring chamber.

6. The upward air inlet burner according to claim 5, characterized in that: The first air outlet faces the outer inner wall of the inner ring chamber and is inclined toward the inner inner wall of the inner ring chamber; The second air outlet faces the outer inner wall of the outer ring chamber and is inclined toward the inner inner wall of the outer ring chamber.

7. The upward air inlet burner according to claim 1, characterized in that: The burner body comprises: An inner ring igniter seat and an inner ring burner cover, wherein the inner ring burner cover covers the inner ring igniter seat to form the inner ring chamber, and the inner ring ejector tube penetrates the inner ring igniter seat; An outer ring igniter seat and an outer ring burner cover, wherein the outer ring burner cover covers the outer ring igniter seat to form the outer ring chamber, the outer ring ejector tube penetrates the outer ring igniter seat, and the outer ring igniter seat is connected to the inner ring igniter seat through the outer ring ejector tube.

8. The upward air inlet burner according to claim 7, characterized in that: The burner body also includes: An inner ring fire cover, the inner ring fire cover is connected to the inner ring igniter seat, the inner ring fire cover and the inner ring burner cover enclose an inner ring fire outlet channel, the inner ring fire outlet channel is connected to the inner ring chamber, the inner inner wall and the outer inner wall of the inner ring fire outlet channel are along a preset direction, and the diameter gradually increases in the direction away from the inner ring igniter seat; An outer ring fire cover is connected to the outer ring igniter seat, the outer ring fire cover and the outer ring burner cover form an outer ring fire outlet channel, the outer ring fire outlet channel is connected to the outer ring chamber, the inner wall on the inner side and the outer wall on the outer ring fire outlet channel are both along a preset direction, and the diameter gradually increases in the direction away from the outer ring igniter seat.

9. The upward air inlet burner according to claim 8, characterized in that: Also includes: An inner drainage ring, wherein the outer ring of the inner drainage ring is connected to the inner wall outside the inner ring cavity, the inner ring of the inner drainage ring is inclined away from the inner ring fire outlet channel, and a plurality of drainage structures are evenly arranged on the ring surface of the inner drainage ring.

10. The upward air inlet burner according to claim 7 or 8, characterized in that: Also includes: An outer drainage ring, wherein the outer ring of the outer drainage ring is connected to the outer ring chamber, and the outer drainage ring has two annular surfaces, and a plurality of drainage structures are evenly arranged on the two annular surfaces.

11. A nozzle seat, characterized in that: include: A nozzle seat body, wherein the nozzle seat body has a mounting plate surface; Multiple nozzles are arranged in a circular array at preset positions on the mounting plate surface, and the preset positions can correspond to the positions of the inner ring chambers of the upper air inlet burner along a preset direction. The multiple nozzles are used to provide gas to the first air inlet port of the inner ring ejector tube and the second air inlet port of the outer ring ejector tube of the upper air inlet burner.

12. The nozzle holder according to claim 11, characterized in that: Also includes: A mounting seat, wherein the mounting seat is arranged at the center of the mounting plate surface, a plurality of the nozzles are arranged around the mounting seat, an ignition assembly and a sensing assembly are arranged in the mounting seat, the mounting seat can install the upper air inlet burner, and the ignition end of the ignition assembly and the sensing end of the sensing assembly can be surrounded by the inner ring chamber of the upper air inlet burner.

13. The nozzle holder according to claim 11, characterized in that: The nozzle comprises: An outer ring nozzle and an inner ring nozzle, wherein the outer ring nozzle and the inner ring nozzle are alternately arranged in a circular array at the preset position.

14. The nozzle holder according to claim 13, characterized in that: The first injection port of the outer ring nozzle and the second injection port of the inner ring nozzle have a position difference along a preset direction.

15. The nozzle holder according to claim 14, characterized in that: The first injection port is located close to the mounting plate surface, and the second injection port is located far from the mounting plate surface.

16. An upward air inlet combustion device, characterized in that: include: The upward air inlet burner according to any one of claims 1 to 10; The nozzle seat described in any one of claims 11-15, the burner body of the upper air inlet burner is connected to the nozzle seat body of the nozzle seat, and the multiple nozzles of the nozzle seat are respectively adapted to the first air inlet of the inner ring ejector tube and the second air outlet of the outer ring ejector tube of the upper air inlet burner.

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