Rotary burner

Abstract

The rotary burner comprises a rotary fire ring, a nozzle assembly and a rotary connector, the rotary fire ring comprises a center cylinder and at least two spiral pipes, the center of the bottom of the center cylinder is connected and communicated with the rotary connector, the spiral pipes are distributed at equal-angle intervals in the circumferential direction of the center cylinder, one end of each spiral pipe is communicated with the center cylinder, and the other end of each spiral pipe is communicated with the nozzle assembly. The other end of the spiral pipe is communicated with another spiral pipe adjacent to the spiral pipe; a plurality of evenly-distributed nozzle assemblies are installed on the spiral section of the spiral pipe, each nozzle assembly comprises a nozzle head, a secondary air inlet pipe, a fuel gas inlet pipe and a fuel gas connector which are sequentially connected and communicated from top to bottom, and a fire blocking ring is fixed to the secondary air inlet pipe. By arranging the secondary air inlet pipe, when high-pressure fuel gas enters the secondary air inlet pipe, negative pressure is formed at the secondary air inlet, external air is sucked in, the air and the fuel gas are mixed more sufficiently, and complete combustion of the fuel gas is promoted; the heating position is continuously changed by driving the rotary fire ring to rotate, so that all areas at the bottom of the frying pan can be uniformly heated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of combustor, especially a rotary combustor. BACKGROUND

[0002] In the catering industry and many industrial production scenes involving frying, cooking and other heating needs, frying pans and other heating equipment play a key role, and the performance of the matching combustor directly affects the heating effect and production efficiency. The traditional combustor is fixed in position after installation and cannot rotate. When the combustor is ignited, the action area of the flame or heat radiation is basically constant, and only the fixed point of the bottom of the frying pan can be continuously heated.

[0003] For example, in a common commercial kitchen, the traditional combustor using gas as energy, when frying a large number of dishes, the bottom of the pot near the center of the combustor flame heats up quickly and the temperature is high, while the edge of the pot far from the area heats up slowly and the heat distribution is very different. This uneven heating mode can easily cause some of the food to be burnt and some to be undercooked during frying, which not only seriously affects the quality of the dishes, but also wastes energy, because in order to make the whole food meet the cooking requirements, the heating time needs to be extended and more gas is consumed.

[0004] In the field of industrial material frying, such as food sauce, chemical raw material mixing and frying production line, it also depends on large frying pans and combustor combination equipment. Because of the uneven heating of the traditional combustor, the material cannot be evenly heated in the reaction kettle type frying pan, which affects the mixing effect and chemical reaction process of the material, reduces the product consistency, and even may cause material denaturation, sticking to the pot and other adverse consequences due to local overheating, increasing production cost and scrap rate.

[0005] In summary, the existing frying pan matching combustor cannot rotate and the heating point is fixed, which causes uneven heating problem. INVENTION CONTENTS

[0006] Therefore, it is necessary to provide a rotary combustor to solve the above technical problems.

[0007] In order to achieve the above object, the utility model provides a kind of rotary burner, including rotary fire ring, nozzle assembly and rotary joint, the rotary fire ring includes center tube and at least two spiral tubes, center tube bottom center is connected with rotary joint and communicates, spiral tube is distributed at equal angle interval in the circumference of center tube, one end of spiral tube is communicated with center tube, the other end of spiral tube and another spiral tube adjacent thereto are communicated;Spiral tube includes the spiral segment of vertical projection is archimedes spiral line, the upper end surface of spiral segment is equipped with several evenly distributed nozzle assemblies, nozzle assembly includes nozzle head, secondary air inlet pipe, gas inlet pipe and gas joint connected and communicated sequentially from top to bottom, fire ring is fixed on secondary air inlet pipe, nozzle head is located inside fire ring, first gas inlet is radially opened in the lower part of gas inlet pipe below secondary air inlet pipe, second gas inlet is radially opened in the upper part of gas inlet pipe inside secondary air inlet pipe, and secondary air inlet is radially opened in secondary air inlet pipe corresponding to second gas inlet.

[0008] Preferably, the rotary joint includes an outer fixed sleeve and a rotating hollow shaft tube, the outer fixed sleeve is in rotational sealing connection with the rotating hollow shaft tube, a sealed cavity is formed between the outer fixed sleeve and the rotating hollow shaft tube, a through hole is radially formed on the rotating hollow shaft tube, the sealed cavity is in communication with the inner cavity of the rotating hollow shaft tube through the through hole, the bottom end of the rotating hollow shaft tube is in a closed structure, the top end of the rotating hollow shaft tube is connected with the bottom of the center tube, and the inner cavity of the rotating hollow shaft tube is in communication with the inner cavity of the center tube.

[0009] Preferably, a connecting port is arranged at the center of the bottom of the center tube, and the connecting port is connected with and in communication with the rotating hollow shaft tube.

[0010] Preferably, the spiral tube further includes a connecting segment connected with the spiral segment, and the connecting segment of the spiral tube is connected with the spiral segment of another spiral tube adjacent thereto.

[0011] Preferably, the rotary fire ring further includes a fixing rib, the fixing rib is distributed at equal angle interval in the circumference of the center tube, the fixing rib is fixedly connected with the center tube and the spiral tube, and the fixing rib is located below the spiral tube.

[0012] Preferably, a plurality of third gas inlets are formed at the bottom of the fire ring, and the third gas inlets are circumferentially distributed at the bottom of the fire ring.

[0013] Preferably, the spiral segment is in a spiral ascending structure, and one end of the inner side of the spiral segment is lower than the outer side thereof.

[0014] Preferably, a plurality of gas interfaces are evenly distributed on the upper end surface of the spiral segment, a nut is sealingly fixed around the gas interface, the lower part of the gas joint is provided with external threads, the gas joint is in threaded connection with the nut, and the gas joint is in communication with the gas interface.

[0015] Preferably, the driving mechanism further comprises a fixed plate, a rotary driving device, a driving bevel gear, a driven bevel gear, a rotating shaft, a shaft coupling, the fixed part of the rotary joint is fixedly connected with the fixed plate, the rotating shaft is rotatably connected with the fixed plate through a bearing, the output end of the rotary driving device is rotatably connected with the rotating shaft through the shaft coupling, the driving bevel gear is installed on the rotating shaft, the driven bevel gear is fixed at the bottom of the rotary hollow shaft tube, and the driving bevel gear is meshedly connected with the driven bevel gear.

[0016] Compared with the prior art, the technical scheme has at least one of the following beneficial effects:

[0017] By arranging the secondary air inlet pipe and the secondary air inlet, when the high-pressure gas enters the gas inlet pipe and the secondary air inlet pipe, a negative pressure is formed at the secondary air inlet, external air is sucked in, the air and the gas are more fully mixed, the complete combustion of the gas is promoted, and the purpose of environmental protection is achieved.

[0018] By arranging the fire blocking ring, the interference of external airflow is blocked, the mixed gas is ensured to be ignited in a stable environment, conditions for continuous and stable combustion of each gas injection hole are created, the fire blocking ring can gather the flame to a certain extent, the flame shape is guided, the flame is concentrated in the area near the nozzle head, the flame is prevented from being dispersed and straying, and the combustion efficiency is improved.

[0019] By driving the rotary fire ring to rotate, the heating position is changed constantly, each area at the bottom of the frying pan can be uniformly heated, compared with the traditional fixed burner, the heating time is not needed to be prolonged for the whole heating, therefore, the additional consumption of gas or other energy is greatly reduced, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the rotary burner of an embodiment of the utility model;

[0021] Figure 2 It is a front view of the rotary burner of an embodiment of the utility model;

[0022] Figure 3 It is Figure 2 It is a sectional view along line A-A;

[0023] Figure 4 It is a partial perspective view (omitting the driving mechanism) of the rotary burner of an embodiment of the utility model;

[0024] Figure 5 It is a plan view (omitting the nut) of the rotary fire ring of an embodiment of the utility model;

[0025] Figure 6 It is a perspective view of the nozzle assembly of an embodiment of the utility model;

[0026] Figure 7The sectional view of the nozzle assembly of an embodiment of the utility model;

[0027] In the figure, 1, rotating fire ring;11, center cylinder;111, connecting port;12, spiral pipe;121, spiral section;122, gas interface;123, connecting section;13, fixed rib;14, nut;2, nozzle assembly;21, nozzle head;22, secondary air inlet pipe;221, secondary air inlet;23, gas inlet pipe;231, first air inlet;232, second air inlet;24, gas joint;25, fire baffle;251, third air inlet;3, rotating joint;31, outer fixed sleeve;311, gas air inlet;32, rotating hollow shaft pipe;321, through hole;33, sealing cavity;34, flange plate;4, driving mechanism;41, fixed plate;42, rotating drive device;43, driving bevel gear;44, driven bevel gear;45, rotating shaft;46, coupling;5, rotating drive device. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to give a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0029] Please refer to Figures 1 to 7 The embodiment of the application provides a rotating burner, which comprises a rotating fire ring 1, a nozzle assembly 2 and a rotating joint 3, the rotating fire ring 1 comprises a center cylinder 11 and at least two spiral pipes 12, in the embodiment, the spiral pipes 12 are arranged as three, and in other embodiments, the spiral pipes 12 can also be arranged as two, four or more than four;The center cylinder 11 is connected and communicated with the rotating joint 3 at the center of the bottom, the spiral pipes 12 are distributed at equal angles in the circumferential direction of the center cylinder 11, one end of the spiral pipe 12 is communicated with the center cylinder 11, and the other end of the spiral pipe 12 is communicated with another spiral pipe 12 adjacent thereto;The spiral pipe 12 comprises a spiral section 121 in the shape of an Archimedes spiral in vertical projection, and a plurality of nozzle assemblies 2 are uniformly arranged on the upper end surface of the spiral section 121;

[0030] The nozzle assembly 2 comprises a nozzle head 21, a secondary air inlet pipe 22, a gas inlet pipe 23 and a gas joint 24 connected and communicated in sequence from top to bottom, the secondary air inlet pipe 22 is fixed with a fire screen 25, the nozzle head 21 is located inside the fire screen 25, the nozzle head 21 is a mushroom head uniform distribution type nozzle, a plurality of gas injection holes are arranged on the nozzle head 21 in a circumferential direction and are distributed in a circumferential direction, one end of the gas injection hole away from the center of the nozzle head 21 is arranged obliquely upward, when the mixed gas reaches the nozzle head 21, the mixed gas can be uniformly sprayed in all directions, the uniformity of the mixed gas distribution is ensured, and the combustion effect is ensured; the lower part of the gas inlet pipe 23 is located below the secondary air inlet pipe 22 and is provided with a first air inlet 231 in a radial direction, the first air inlet 231 is provided with four and is distributed in a circumferential direction, the upper part of the gas inlet pipe 23 is located inside the secondary air inlet pipe 22 and is provided with a second air inlet 232 in a radial direction, the inner diameter of the secondary air inlet pipe 22 is greater than the outer diameter of the gas inlet pipe 23, the upper part of the gas inlet pipe 23 is inserted into the secondary air inlet pipe 22, the second air inlet 232 is provided with four and is distributed in a circumferential direction, the secondary air inlet pipe 22 is provided with a secondary air inlet 221 corresponding to the second air inlet 232 in a radial direction, the secondary air inlet 221 is provided with four and is distributed in a circumferential direction, the secondary air inlet 221 corresponds to the second air inlet 232 one by one, the second air inlet 232 is close to the corresponding secondary air inlet 221, so that the air flows under negative pressure.

[0031] By arranging the rotary joint 3, the high-pressure gas source can be continuously connected when the rotary fire ring 1 rotates; the gas source enters the center cylinder 11, the rotary fire ring 1 and the nozzle assembly 2 in sequence through the rotary joint 3, in the nozzle assembly 2, the high-pressure gas enters the gas joint 24, the gas inlet pipe 23, the secondary air inlet pipe 22 and the nozzle head 21 in sequence, and finally the mixed gas of the gas and the air is sprayed out of the nozzle head 21, and combustion can be carried out after ignition; when the high-pressure gas flows through the gas inlet pipe 23 and the secondary air inlet pipe 22, a negative pressure area is formed at the first air inlet 231 and the second air inlet 232 based on Bernoulli's principle due to the fast flow rate, the secondary air inlet 221 is also affected by the negative pressure of the second air inlet 232, so that the outside air is sucked in, the air and the gas are mixed more fully, the best burning state is achieved, the gas is completely burned after being sprayed out of the nozzle head 21, and the purpose of environmental protection is achieved.

[0032] By setting the fire baffle 25, the combustion function of each jet hole of the nozzle head 21 can be effectively guaranteed. During the combustion process, the fire baffle 25 can block the interference of external airflow, prevent the turbulent airflow from blowing away the fuel-air mixture just sprayed from the jet hole, ensure that the mixture is ignited in a stable environment, and create conditions for continuous and stable combustion of each jet hole. On the other hand, the fire baffle 25 can have a certain gathering effect on the flame, guide the flame shape, and promote the flame to concentrate in the area near the nozzle head 21, avoiding the dispersion and random of the flame, so that the fuel sprayed from each jet hole can be efficiently burned under suitable flame temperature and atmosphere, thereby improving the combustion efficiency and ensuring the stable and reliable operation of the combustion equipment. Each jet hole of the nozzle head 21 can be burned.

[0033] By driving the rotating fire ring 1 to rotate, the heating position is constantly changed, so that each area at the bottom of the frying pan can be uniformly heated, and the heating is more uniform. Due to the realization of uniform heating, compared with the traditional fixed burner, there is no need to prolong the heating time for the whole heating, thereby greatly reducing the additional consumption of gas or other energy sources and reducing the production cost.

[0034] In a preferred embodiment, in order to realize the rotating communication between the center tube 11 and the gas source, please refer to Figures 2 to 4 , a rotating joint 3 is provided, which includes an outer fixed sleeve 31 and a rotating hollow shaft pipe 32. The outer fixed sleeve 31 is in rotating and sealing connection with the rotating hollow shaft pipe 32. Specifically, a radial bearing and a gasket can be installed between the outer fixed sleeve 31 and the rotating hollow shaft pipe 32. The outer fixed sleeve 31 and the rotating hollow shaft pipe 32 are stably connected in rotation through the radial bearing, and are sealingly connected through the gasket. A sealed cavity 33 is formed between the outer fixed sleeve 31 and the rotating hollow shaft pipe 32. A plurality of through holes 321 are radially formed on the rotating hollow shaft pipe 32. The sealed cavity 33 is in communication with the inner cavity of the rotating hollow shaft pipe 32 through the through holes 321. The bottom end of the rotating hollow shaft pipe 32 is in a closed structure, the top end of the rotating hollow shaft pipe 32 is connected with the bottom of the center tube 11, and the inner cavity of the rotating hollow shaft pipe 32 is in communication with the inner cavity of the center tube 11. The outer fixed sleeve 31 is provided with a gas inlet 311 in the radial direction, and the gas inlet 311 is in communication with the sealed cavity 33.

[0035] In order to facilitate the connection between the center tube 11 and the rotating hollow shaft pipe 32, please refer to Figures 2 to 4 , a connecting port 111 is provided at the center of the bottom of the center tube 11, and the connecting port 111 is connected and communicated with the rotating hollow shaft pipe 32.

[0036] Gas enters into the outer fixed sleeve 31, the sealing cavity 33, the through hole 321, the rotating hollow shaft tube 32, the connecting port 111 and the inner cavity of the central tube 11 in sequence through the gas inlet 311; in the case of fixing the outer fixed sleeve 31, the rotating hollow shaft tube 32 is driven to rotate, which can drive the central tube 11 to rotate; when the rotating hollow shaft tube 32 rotates, gas can continuously enter the rotating hollow shaft tube 32 from the sealing cavity 33.

[0037] Further, in order to drive the rotating hollow shaft tube 32 to rotate, please refer to Figure 1 and Figure 2 , a driving mechanism 4 is further arranged, the driving mechanism 4 comprises a fixed plate 41, a rotating driving device 42, a driving bevel gear 43, a driven bevel gear 44, a rotating shaft 45 and a shaft coupling 46; the fixed part of the rotating joint 3 is fixedly connected with the fixed plate 41; specifically, the fixed part of the rotating joint 3 is the outer fixed sleeve 31, and the movable part of the rotating joint 3 is the rotating hollow shaft tube 32; the flange plate 34 is fixed at the bottom of the outer fixed sleeve 31, and the flange plate 34 is fixedly connected with the fixed plate 41; the rotating shaft 45 is rotatably connected with the fixed plate 41 through a bearing; the output end of the rotating driving device 42 is rotatably connected with the rotating shaft 45 through the shaft coupling 46; the driving bevel gear 43 is installed on the rotating shaft 45; the driven bevel gear 44 is fixed at the bottom of the rotating hollow shaft tube 32; the driving bevel gear 43 is meshingly connected with the driven bevel gear 44.

[0038] The rotating driving device 42 is selected as a speed reducer motor, and the shaft coupling 46 is selected as a universal shaft coupling 46; the rotating driving device 42 drives the rotating shaft 45 to rotate through the shaft coupling 46; the rotating shaft 45 drives the driven bevel gear 44 and the rotating hollow shaft tube 32 to rotate through the driving bevel gear 43.

[0039] In a preferred embodiment, in order to improve the overall strength of the rotating fire ring 1 and ensure the connection stability of each rotating tube, please refer to Figure 5 , the spiral tube 12 further comprises a connecting segment 123 connected with the spiral segment 121; the connecting segment 123 of the spiral tube 12 is connected with the spiral segment 121 of the adjacent spiral tube 12. In this embodiment, the connecting segment 123 of the spiral tube 12 is fixedly connected with the spiral segment 121 of the adjacent spiral tube 12, without communication; in other embodiments, the connecting segment 123 of the spiral tube 12 can be fixedly connected with the spiral segment 121 of the adjacent spiral tube 12 and in communication.

[0040] In a preferred embodiment, in order to further improve the overall strength of the rotating fire ring 1 and ensure the connection stability of each rotating tube, please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The setting rotary fire ring 1 further comprises fixing ribs 13, which are distributed at equal angles in the circumferential direction of the central cylinder 11, and are fixedly connected with the central cylinder 11 and the spiral tube 12, and are located below the spiral tube 12. The fixing ribs 13 serve to fix the central cylinder 11 and the spiral tube 12, so that the connection of the central cylinder 11 and the spiral tube 12 is more stable.

[0041] In a preferred embodiment, in order to further improve the mixing effect of air and gas, please refer to Figure 6 and Figure 7 , a plurality of third air inlets 251 are arranged at the bottom of the fire ring 25, and the third air inlets 251 are circumferentially distributed at the bottom of the fire ring 25. When the mixed gas of gas and air is sprayed out by the nozzle head 21, the airflow velocity above the third air inlet 251 is greater than that below the third air inlet 251 due to the upward inclination of the gas injection hole of the nozzle head 21. Based on Bernoulli's principle, a negative pressure will be formed at the third air inlet 251, and the air outside the fire ring 2 will be sucked into the fire ring 25 through the third air inlet 251, thereby further improving the mixing effect of air and gas and improving the combustion effect.

[0042] In a preferred embodiment, in order to adapt to a wok with a downward convex curved bottom surface, please refer to Figures 1 to 5 , the spiral segment 121 is arranged in a spiral upward structure, and one end of the inner side of the spiral segment 121 is lower than the other side of the outer side. In this way, the distance between the top of each nozzle head 21 and the bottom of the wok is more balanced, avoiding the situation that the nozzle heads 21 at the edge are relatively farther away from the bottom of the wok than the nozzle heads 21 at the center.

[0043] In a preferred embodiment, in order to facilitate the communication between the gas joint 24 and the spiral segment 121, please refer to Figure 1 and Figure 5 , a plurality of uniformly distributed gas interfaces 122 are arranged on the upper end surface of the spiral segment 121, and the gas interfaces 122 are peripherally and fixedly sealed with the nut 14. The gas joint 24 is threadedly connected with the nut 14, and the gas joint 24 communicates with the gas interface 122, and then communicates with the spiral segment 121. The gas interface 122 corresponds to the nozzle assembly 2 one by one.

[0044] The technical features of the above embodiments can be combined in any way. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the present application.

[0045] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the utility model, several modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

[0046] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0047] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0048] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A rotary burner, characterized in that, The device includes a rotating fire ring (1), nozzle assemblies (2), and a rotary joint (3). The rotating fire ring (1) includes a central cylinder (11) and at least two spiral tubes (12). The center of the bottom of the central cylinder (11) is connected to and communicates with the rotary joint (3). The spiral tubes (12) are evenly spaced around the central cylinder (11). One end of the spiral tube (12) is connected to the central cylinder (11), and the other end of the spiral tube (12) is connected to another adjacent spiral tube (12). The spiral tube (12) includes a spiral segment (121) with an Archimedean spiral shape in vertical projection. Several evenly distributed nozzle assemblies (2) are installed on the upper surface of the spiral segment (121). The nozzle assembly (2) includes a nozzle head (21), a secondary air intake pipe (22), a gas intake pipe (23), and a gas connector (24) connected and communicating from top to bottom. A fire baffle (25) is fixed on the secondary air intake pipe (22). The nozzle head (21) is located inside the fire baffle (25). The lower part of the gas intake pipe (23) is located below the secondary air intake pipe (22) and has a first air inlet (231) opened radially. The upper part of the gas intake pipe (23) is located inside the secondary air intake pipe (22) and has a second air inlet (232) opened radially. The secondary air intake pipe (22) has a secondary air inlet (221) that corresponds to the second air inlet (232) opened radially.

2. The rotary burner according to claim 1, characterized in that, The rotary joint (3) includes an outer fixed sleeve (31) and a rotary hollow shaft tube (32). The outer fixed sleeve (31) and the rotary hollow shaft tube (32) are rotatably sealed together. A sealing cavity (33) is formed between the outer fixed sleeve (31) and the rotary hollow shaft tube (32). A through hole (321) is radially provided on the rotary hollow shaft tube (32). The sealing cavity (33) is connected to the inner cavity of the rotary hollow shaft tube (32) through the through hole (321). The bottom end of the rotary hollow shaft tube (32) is closed. The top end of the rotary hollow shaft tube (32) is connected to the bottom of the central cylinder (11). The inner cavity of the rotary hollow shaft tube (32) is connected to the inner cavity of the central cylinder (11). The outer fixed sleeve (31) is radially provided with a gas inlet (311). The gas inlet (311) is connected to the sealing cavity (33).

3. The rotary burner according to claim 2, characterized in that, The center cylinder (11) has a connection port (111) at the bottom center, and the connection port (111) is connected and communicates with the rotating hollow shaft tube (32).

4. The rotary burner according to claim 1, characterized in that, The spiral tube (12) also includes a connecting section (123) connected to the spiral segment (121), and the connecting section (123) of the spiral tube (12) is connected to the spiral segment (121) of the adjacent spiral tube (12).

5. The rotary burner according to claim 1, characterized in that, The rotating fire ring (1) also includes a fixing rib (13), which is distributed at equal angles around the central cylinder (11). The fixing rib (13) is fixedly connected to the central cylinder (11) and the spiral tube (12), and is located below the spiral tube (12).

6. The rotary burner according to claim 1, characterized in that, The fire baffle (25) has multiple third air inlets (251) at its bottom, and the third air inlets (251) are distributed in a circular pattern at the bottom of the fire baffle (25).

7. The rotary burner according to claim 1, characterized in that, The spiral segment (121) has a spiral ascending structure, with one end of the spiral segment (121) being lower than the other side.

8. The rotary burner according to claim 1, characterized in that, The upper surface of the spiral segment (121) is provided with several evenly distributed gas ports (122). The gas ports (122) are sealed and fixed with nuts (14). The gas connector (24) is threadedly connected to the nuts (14) and the gas connector (24) is connected to the gas ports (122).

9. The rotary burner according to any one of claims 1 to 8, characterized in that, It also includes a drive mechanism (4), which includes a fixed plate (41), a rotary drive device (42), a driving bevel gear (43), a driven bevel gear (44), a rotating shaft (45), and a coupling (46). The fixed part of the rotary joint (3) is fixedly connected to the fixed plate (41). The rotating shaft (45) is rotatably connected to the fixed plate (41) through a bearing. The output end of the rotary drive device (42) is rotatably connected to the rotating shaft (45) through the coupling (46). The driving bevel gear (43) is installed on the rotating shaft (45). The driven bevel gear (44) is fixed at the bottom of the rotating hollow shaft tube (32). The driving bevel gear (43) and the driven bevel gear (44) are meshed.

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