Burner combustion device and stove

Abstract

The furnace end combustion device comprises an air inlet component, a shell, a first oil bowl, a second oil bowl, a bowl cover, a fire distribution fin, a fire gathering ring, an igniter and a spray head atomizer. The bottom end of the shell is connected with an air inlet component which is provided with an air inlet channel. The first oil bowl is arranged in the shell, a mixed oil gas inlet is formed in the bottom of the first oil bowl, an air inlet hole is further formed in the first oil bowl, and an ignition needle of the igniter is located in the first oil bowl; the second oil bowl is arranged in the first oil bowl, the bottom of the second oil bowl is provided with a tooth-shaped conical convex part and a first oil gas hole, and the side wall of the second oil bowl is provided with a second oil gas hole; the bowl cover covers the top of the second oil bowl, and a third oil gas hole is formed in the bowl cover; the fire distribution fin is arranged above the second oil bowl, and a plurality of fire distribution holes are formed in the side wall of the fire distribution fin. According to the furnace end combustion device and the stove, complete combustion can be achieved through three-stage combustion, and energy conservation and environmental protection are achieved.

Description

Technical Field

[0001] This utility model relates to the field of stoves, and more specifically to a burner combustion device and a stove. Background Technology

[0002] Oil and gas stoves are widely used in hotels, restaurants, homes, and company canteens, and the burner is the key component of these stoves. Currently, burners on the market typically consist of an electronic controller, a high-pressure electromagnetic pump, a high-pressure atomizing nozzle, a fan, an igniter, a heater, an oil pan, an air casing, flame spreaders, and a flame ring. They rely entirely on the high-pressure electromagnetic pump to pressurize the fuel, which is then atomized and sprayed through the high-pressure atomizing nozzle. The fuel, along with air injected into the air casing, is ignited and burned by the igniter. Any unburned fuel and gas are then remixed and burned again by the flame spreaders and air injected into the air casing.

[0003] However, existing burners only perform two combustion cycles, resulting in incomplete combustion, which easily produces irritating smoke and may even lead to excessive carbon monoxide levels, posing a safety hazard. Furthermore, during combustion, the high-pressure atomizing nozzle comes into contact with the flame inside the fuel bowl. Due to the small orifice diameter, carbon deposits from unburned fuel easily adhere to the nozzle at high temperatures, causing blockages and preventing normal operation, thus affecting its lifespan. The high-pressure electromagnetic pump operates under high pressure and high-speed piston motion for extended periods, making its seals prone to wear and causing pump leaks. Incomplete fuel filtration also easily leads to fuel line blockages, preventing the high-pressure electromagnetic pump from functioning properly, resulting in frequent malfunctions and high maintenance costs. In addition, existing burners require a heater to vaporize and burn the fuel, which is not energy-efficient. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, this utility model provides a burner combustion device and stove that can achieve complete combustion through three-stage combustion, which is energy-saving and environmentally friendly; moreover, the nozzle is not easy to clog, has a long service life, and low maintenance cost.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A burner combustion device includes an air inlet component, a housing, a first oil bowl, a second oil bowl, a bowl cover, flame spreaders, a flame ring, an igniter, and a nozzle atomizer. The bottom of the housing is connected to the air inlet component, which has an air inlet channel. The first oil bowl is located inside the housing, with a mixed oil-gas inlet at its bottom and an air inlet hole. The ignition needle of the igniter is located inside the first oil bowl. The second oil bowl is located inside the first oil bowl, with a toothed conical protrusion and a first oil-gas hole at its bottom. The sidewalls of the second oil bowl... The first oil bowl is equipped with a second oil and gas port; a bowl cover is placed on top of the second oil bowl, and a third oil and gas port is provided on the bowl cover; a flame divider is located above the second oil bowl, and multiple flame divider holes are provided on the side wall of the flame divider; a flame gatherer is located on top of the first oil bowl and outside the flame divider, with the top of the flame gatherer higher than the top of the flame divider; a nozzle atomizer is located at the bottom of the housing, and the nozzle atomizer has an atomizing nozzle and a mixing atomizing chamber connected to the atomizing nozzle. The mixing atomizing chamber is connected to the oil inlet pipe and multiple first air inlets, and the atomizing nozzle is located inside the mixing oil and gas inlet.

[0007] This technical solution provides a burner combustion device that utilizes air injected through the air intake component to achieve three-stage mixing and thus three-stage combustion, resulting in complete combustion, energy saving, environmental protection, and high safety. Furthermore, the use of a nozzle atomizer prevents nozzle clogging and extends service life. Moreover, it eliminates the need for electronic controllers, high-pressure electromagnetic oil pumps, and heaters, ensuring good stability, further energy efficiency, and reduced maintenance costs.

[0008] In a preferred embodiment, the first oil bowl includes an upper cylinder, a connecting stepped section, and a lower cylinder. The inner diameter of the lower cylinder is smaller than that of the upper cylinder. A mixed oil-gas inlet is provided in the middle of the bottom surface of the lower cylinder. The air inlet includes multiple vertical through holes arranged around the mixed oil-gas inlet on the bottom wall of the upper cylinder, multiple through holes inclined upward from the outside to the inside on the side wall of the upper cylinder, and multiple through holes arranged vertically on the connecting stepped section.

[0009] In a preferred embodiment, the first oil and gas hole includes a plurality of through holes that are inclined counterclockwise or clockwise at the bottom of the second oil bowl; the second oil and gas hole includes a plurality of through holes that are inclined upward from the outside to the inside on the side wall of the second oil bowl.

[0010] In a preferred embodiment, the third oil and gas port includes multiple vertical through holes in the center of the bowl cover and multiple through holes on the edge of the bowl cover that slope outward from bottom to top.

[0011] In a preferred embodiment, the nozzle atomizer includes a nozzle, a base, and an oil inlet pipe connected in sequence. The base is disposed between the air inlet channel and the inner cavity of the housing, and the oil inlet pipe extends downward from the bottom wall of the air inlet component. The upper part of the nozzle is provided with an atomizing nozzle, and the lower part of the nozzle and the upper part of the base form a mixing atomization chamber. The top surface of the base is provided with a mounting through hole and multiple first air inlets, and the bottom of the base is provided with an outwardly extending edge, the edge being provided with multiple second air inlets. The first air inlets communicate with the mixing atomization chamber, and the second air inlets communicate with the inner cavity of the housing. One end of the oil inlet pipe is connected to the mounting through hole and communicates with an oil spray nozzle, which is located in the mixing atomization chamber near the atomizing nozzle.

[0012] In a preferred embodiment, the bottom wall of the base has an upwardly protruding annular mounting portion at its top edge; the nozzle is sealed and installed within the annular mounting portion, and a mixing atomization chamber is formed between the conical surface at the bottom of the nozzle and the top surface of the base.

[0013] In a preferred embodiment, the edge portion is in the shape of an annular cone, a polygonal pyramid, an annular plate, or a polygonal plate.

[0014] In a preferred embodiment, the fuel injector and the fuel inlet pipe are integrally formed, or the fuel injector is located on the base and above the mounting through hole; in this case, the fuel injector can be threaded to the base or integrally formed with the base. Further, the outer walls of both the upper and lower ends of the fuel inlet pipe are threaded, and the inner wall of the mounting through hole is threaded, with the upper end of the fuel inlet pipe connected to the mounting through hole via threads.

[0015] In a preferred embodiment, the oil inlet pipe is connected to the fuel source via a mechanical oil valve.

[0016] A stove, comprising a burner combustion device as described in any of the above technical solutions.

[0017] The stove in this technology uses the above-mentioned burner combustion device, which can achieve complete combustion, saving energy and protecting the environment; moreover, it has a long service life and low maintenance costs.

[0018] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are: the burner combustion device provided by this utility model can achieve three-stage mixing by using the air injected by the air intake component, thereby achieving three-stage combustion and achieving the effect of complete combustion, which is energy-saving, environmentally friendly, and highly safe; at the same time, the use of a nozzle atomizer makes the nozzle less prone to clogging and has a long service life; moreover, it does not require the use of electronic controllers, high-pressure electromagnetic oil pumps and heaters, has good stability, is more energy-saving and environmentally friendly, and can also reduce maintenance costs;

[0019] A stove using the above-mentioned burner combustion device can achieve complete combustion, saving energy and protecting the environment; moreover, it has a long service life and low maintenance costs.

[0020] In addition, other advantages of this invention will be set forth in the description which follows, in part will be obvious from the description, or may be learned by practice of this invention. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a cross-sectional view of the burner combustion device in one embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall structure of the burner combustion device in one embodiment of the present invention;

[0024] Figure 3 This is an exploded structural diagram of the second oil bowl, bowl lid, and fire-distributing fins in one embodiment of the present invention;

[0025] Figure 4 This is a cross-sectional view of the nozzle atomizer in one embodiment of the present invention;

[0026] Figure 5 This is a cross-sectional view of the nozzle atomizer in another embodiment of the present invention;

[0027] Figure 6 This is a top view of the base in one embodiment of the present invention;

[0028] Figure 7 for Figure 6 Cross-sectional view of position AA in the middle;

[0029] Figure 8 This is a top view of the base in another embodiment of the present invention;

[0030] Figure 9 for Figure 8 Cross-sectional view of the BB position in the middle;

[0031] Figure 10 This is a bottom view of the base in another embodiment of the present invention;

[0032] Figure 11 for Figure 10 Cross-sectional view at position CC;

[0033] Explanation of reference numerals in the attached drawings: 1. Air intake component; 2. Housing; 3. First oil bowl; 31. Mixed oil-gas inlet; 32. Air inlet hole; 4. Second oil bowl; 40. Toothed conical protrusion; 41. First oil-gas hole; 42. Second oil-gas hole; 5. Bowl cover; 51. Third oil-gas hole; 6. Flame spreader; 61. Flame spreader hole; 7. Flame condenser ring; 8. Igniter; 9. Atomizer; 90. Atomizing nozzle; 91. Nozzle; 92. Base; 920. Mounting through hole; 921. First air inlet hole; 922. Second air inlet hole; 923. Annular mounting part; 93. Oil inlet pipe; 931. Injector port; 101. First combustion chamber; 102. Second combustion chamber; 103. Third combustion chamber. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] In the description of this utility model, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] Reference Figure 1-11 This invention describes a burner combustion device and stove according to an embodiment of the present invention.

[0037] In one embodiment, such as Figure 1-5As shown, a burner combustion device includes an air inlet component 1, a housing 2, a first oil bowl 3, a second oil bowl 4, a bowl cover 5, a flame spreader 6, a flame gathering ring 7, an igniter 8, and a nozzle atomizer 9. The bottom end of the housing 2 is connected to the air inlet component 1, which has an air inlet channel. The first oil bowl 3 is located inside the housing 2, with a mixed oil-gas inlet 31 at its bottom and an air inlet 32 ​​on its surface. The ignition needle of the igniter 8 is located inside the first oil bowl 3. The second oil bowl 4 is located inside the first oil bowl 3, with a toothed conical protrusion 40 and a first oil-gas hole 41 at its bottom, and a second oil-gas hole 42 on its side wall. The bowl cover 5 covers the top of the second oil bowl 4, and the bowl cover 5 has... There is a third oil and gas hole 51; the flame spreader 6 is located above the second oil bowl 4, and multiple flame spreaders 61 are provided on the side wall of the flame spreader 6; the flame ring 7 is located at the top of the first oil bowl 3 and outside the flame spreader 6, and the top of the flame ring 7 is higher than the top of the flame spreader 6; the nozzle atomizer 9 is located at the bottom of the housing 2, and the nozzle atomizer 9 has an atomizing nozzle 90 and a mixing atomizing chamber connected to the atomizing nozzle 90. The mixing atomizing chamber is connected to the oil inlet pipe 93 and multiple first air inlets 921 respectively, and the atomizing nozzle 90 is located inside the mixed oil and gas inlet 31.

[0038] The shell 2 is a cylindrical structure with an open top. The air inlet component 1 can be an air inlet elbow, which is detachably connected to the bottom of the shell 2. The top outer edge of the first oil bowl 3 overlaps with the top of the shell 2, and the top outer edge of the first oil bowl 3 is also provided with multiple vertical through holes, which allow the inner cavity of the shell 2 to communicate with the outside. The mixed oil and gas inlet 31 is located in the middle of the bottom of the first oil bowl 3. The air flowing in from the air inlet component 1 enters the interior of the first oil bowl 3 through the air inlet hole. The top inner wall of the first oil bowl 3 is provided with an annular step. The top outer edge of the second oil bowl 4 overlaps with the annular step, and there is a certain distance between the second oil bowl 4 and the first oil bowl 3 so that the unburned oil and gas can enter the interior of the second oil bowl 4 through the second oil and gas hole to continue burning. The top inner wall of the second oil bowl 4 is also provided with an annular step. The top edge of the bowl cover 5 overlaps with the annular step of the second oil bowl 4, so that the bowl cover 5 covers the top of the second oil bowl 4. The bottom edge of the flame spreader 6 is located on the top outer edge of the second oil bowl 4.

[0039] In specific implementation, a first combustion chamber 101 is formed between the inner wall of the first oil bowl 3 and the outer wall of the second oil bowl 4, a second combustion chamber 102 is formed between the second oil bowl 4 and the bowl cover 5, and a third combustion chamber 103 is formed between the bowl cover 5 and the flame spreader 6. The above three combustion chambers are connected in sequence.

[0040] Working principle of the burner combustion device: The nozzle atomizer 9 premixes fuel and air entering through the first air inlet 921 in the mixing atomization chamber. The resulting atomized fuel mixture enters the first combustion chamber 101 through the atomizing nozzle 90, impacts the toothed conical protrusion 40 at the bottom of the second oil bowl 4 to achieve secondary atomization, and is then ignited by the ignition needle. The incompletely burned fuel mixture then enters the second combustion chamber 102 and the third combustion chamber 103 in sequence, mixes with the air entering the inner cavity of the housing 2 and continues to burn. Moreover, while the atomized fuel mixture is burning in the first oil bowl 3, the heat generated by the combustion heats the first oil bowl 3 and the second oil bowl 4. When the atomized fuel mixture comes into contact with the heated first oil bowl 3 and the second oil bowl 4, it can quickly vaporize the liquid fuel mixture, thereby achieving the effect of complete combustion.

[0041] Since the fuel is directly injected from the injection port 931 through the oil inlet pipe 93, the entire process can be achieved without high-pressure compression of the fuel. Therefore, the burner combustion device does not need to be used with a high-pressure electromagnetic oil pump; a mechanical handle oil valve is sufficient. This solves the problem of easy damage to the high-pressure electromagnetic oil pump, resulting in low maintenance costs and convenient and safe operation. Moreover, the mixed oil and gas can be directly ignited and burned after atomization, heating the oil bowl and achieving vaporization during combustion. There is no need to use an additional heater to heat the atomized oil and gas, further improving energy-saving effects. In addition, the high-speed high-pressure fan connected to the air inlet channel can be replaced by a normal-pressure AC fan, thereby solving the problem of unstable small flame control in the existing technology and improving energy-saving effects. Therefore, the above-mentioned burner combustion device can achieve premixed atomization, vaporization, and combustion of fuel without electronic controllers, high-pressure electromagnetic oil pumps, high-pressure atomizing nozzles, heaters, etc.

[0042] The aforementioned burner combustion device can achieve full atomization, gasification, and three-stage combustion of fuel, thereby achieving complete combustion, which is energy-saving, environmentally friendly, and highly safe. At the same time, the use of nozzle atomizer 9 makes the nozzle less prone to clogging and extends its service life. Moreover, it eliminates the need for electronic controllers, high-pressure electromagnetic oil pumps, and heaters, resulting in good stability, greater energy efficiency and environmental friendliness, and reduced maintenance costs.

[0043] Currently, kitchen fuels are generally liquefied petroleum gas (LPG) and natural gas, which are flammable and explosive fuels, posing significant safety hazards and being non-renewable resources. The burner combustion device provided by this invention can atomize and fully combust fuels such as waste cooking oil and coal-to-oil. Since waste cooking oil and coal-to-oil are not classified as hazardous chemicals and have high flash points, making them difficult to ignite with an open flame, this invention solves the problem of the flammability and explosiveness of existing fuels. Furthermore, waste cooking oil is a renewable resource that can be recycled, making it more energy-efficient and environmentally friendly. Therefore, the burner combustion device provided by this invention can rationally utilize new energy fuels such as waste cooking oil and coal-to-oil, enabling them to function in various places requiring stove heating, such as hotels and canteens.

[0044] In this embodiment, the first oil bowl 3 includes an upper cylinder, a connecting stepped section, and a lower cylinder. The inner diameter of the lower cylinder is smaller than that of the upper cylinder. A mixed oil-gas inlet 31 is provided in the middle of the bottom surface of the lower cylinder. The air inlet 32 ​​includes a plurality of vertical through holes arranged around the mixed oil-gas inlet 31 on the bottom wall of the upper cylinder, a plurality of through holes inclined upward from the outside to the inside on the side wall of the upper cylinder, and a plurality of through holes arranged vertically on the connecting stepped section.

[0045] The upper cylinder, the connecting stepped surface, and the lower cylinder are sequentially connected and form a single, integral structure. The connecting stepped surface is an inclined surface that connects the upper and lower cylinders in the middle, and it is inclined inward from top to bottom. In specific implementations, each of the above-mentioned through holes can be set as one or more loops.

[0046] In this embodiment, the first oil and gas hole 41 includes multiple through holes that are inclined counterclockwise or clockwise at the bottom of the second oil bowl 4, and the second oil and gas hole 42 includes multiple through holes that are inclined upward from the outside to the inside on the side wall of the second oil bowl 4, so as to facilitate the entry of unburned oil and gas in the first combustion chamber 101 into the second combustion chamber 102 in the second oil bowl 4.

[0047] The second oil and gas hole 42 can be positioned higher than the air inlet hole 32 to facilitate the upward entry of oil and gas into the second oil bowl 4. In specific implementation, each of the above-mentioned through holes can be configured as one or more turns.

[0048] In this embodiment, the third oil and gas hole 51 includes multiple vertical through holes in the middle of the bowl cover 5 and multiple through holes on the edge of the bowl cover 5 that slope outward from bottom to top, so that the unburned oil and gas in the second oil bowl 4 can pass through the bowl cover 5 and enter the flame spreader 6.

[0049] In this embodiment, as Figure 4-5 As shown, the nozzle atomizer 9 includes a nozzle 91, a base 92, and an oil inlet pipe 93 connected in sequence. The base 92 is located between the air inlet channel and the inner cavity of the housing 2. The oil inlet pipe 93 extends downward from the bottom wall of the air inlet component 1. The upper part of the nozzle 91 is provided with an atomizing nozzle 90, and the lower part of the nozzle 91 and the upper part of the base 92 form a mixing atomizing chamber. The bottom wall of the base 92 is provided with a mounting through hole 920 and a plurality of first air inlets 921. The bottom of the base 92 is provided with an outwardly extending edge, and the edge is provided with a plurality of second air inlets 922. The first air inlets 921 communicate with the mixing atomizing chamber, and the second air inlets 922 communicate with the inner cavity of the housing 2. One end of the oil inlet pipe 93 is connected to the mounting through hole 920 and is connected to an oil spray nozzle 931. The oil spray nozzle 931 is located in the mixing atomizing chamber near the atomizing nozzle 90.

[0050] The first air inlet 921 and the second air inlet 922 are respectively connected to the air inlet channel of the burner combustion device. The atomizing nozzle 90 is located at the mixed oil and gas inlet 31 near the first oil bowl 3, and the mixed atomized fuel is sprayed into the first oil bowl 3 for ignition and combustion. The first air inlet 921 and the second air inlet 922 can be straight holes or spiral holes. Preferably, the oil inlet pipe 93 can adopt a straight pipe structure, which requires less pressure for oil inlet and has a simple structure, making it easy to assemble.

[0051] The working principle of the above-mentioned nozzle atomizer 9 is as follows: The airflow flowing in through the first air inlet 921 enters the mixing atomization chamber formed between the nozzle 91 and the base 92. When flowing through the atomizing nozzle 90, the airflow diameter decreases, the air is compressed, forming an airflow difference and accelerating the airflow. A high-speed airflow is formed at the atomizing nozzle 90, which mixes with the fuel and gas flowing out of the fuel injection port 931 to form an atomized mixture. The atomizing nozzle 90 sprays the atomized mixture into the first combustion chamber 101. The atomized mixture impacts the toothed conical protrusion 40 of the second oil cup 4 in the first combustion chamber 101 to achieve re-atomization, and then is ignited and burned by the igniter 8. The atomization effect is better, which helps to improve the combustion efficiency. At the same time, the second air inlet 922 is located outside the mixing atomization chamber and is not connected to the mixing atomization chamber. A portion of the air entering through the air intake channel can enter the inner cavity of the housing 2 through multiple second air inlets 122 for use by each combustion chamber, thus playing a role in combustion assistance.

[0052] In the aforementioned nozzle atomizer 9, since there is no need to spray fuel through a small nozzle, there is no need to apply high pressure to compress the fuel. Therefore, in actual use, the burner combustion device using this nozzle atomizer 9 can use a mechanical handle oil valve to control the fuel quantity, eliminating the need for an electronic controller and a high-pressure electromagnetic oil pump, thus effectively reducing maintenance costs.

[0053] In the above embodiments, the nozzle atomizer 9 achieves fuel and air mixing and atomization through the nozzle 91, base 92 and oil inlet pipe 93, and then directly sprays the atomized oil-air mixture through the atomizing nozzle 90 with a larger diameter. It is not easy to clog, has a long service life, and has a simple structure and is easy to assemble, which can reduce maintenance work and lower costs. In addition, the fuel enters the mixing and atomization chamber directly through the oil inlet pipe 93. The whole process can be achieved without high-pressure compression of the fuel. Therefore, the nozzle atomizer 9 does not need to be used in conjunction with a high-pressure electromagnetic oil pump. A mechanical handle oil valve can be used, which solves the problem of easy damage of the high-pressure electromagnetic oil pump, thereby reducing the cost of the burner combustion device.

[0054] In this embodiment, the bottom wall of the base 92 has an upwardly protruding annular mounting portion 923 at its top edge; the nozzle 91 is sealed and installed in the annular mounting portion 923, and a mixing atomization chamber is formed between the conical surface at the bottom of the nozzle 91 and the top surface of the base 92.

[0055] The nozzle 91 has a conical surface at its bottom, and the top surface of the base 92 is connected to the oil inlet pipe 93 and multiple first air inlets 921. The conical surface and the top surface of the base 92 form a conical cavity, namely the mixing and atomizing cavity. The upper end of the mixing and atomizing cavity is connected to the nozzle 90, and the lower end is connected to the oil inlet pipe 93 and the first air inlets 921. Furthermore, the inner wall of the annular mounting part 923 and the outer wall of the nozzle 91 are provided with matching threads, which can realize threaded connection, good sealing performance, and easy assembly.

[0056] In practice, fuel and air can enter the mixing and atomizing chamber through the oil inlet pipe 93 and the first air inlet 921 respectively, and impact the conical surface at the bottom of the nozzle 91 to achieve a better atomization effect.

[0057] In different embodiments, the edge portion can be... Figure 6-7 The ring-shaped cone shown Figure 4-5 The polygonal shape shown Figure 8-9 The annular plate or Figure 10-11 As shown, the multi-faceted plate shape allows for the second air inlet 922 to be evenly distributed circumferentially along its edge. In a specific implementation, when the edge is annularly conical, the second air inlet 922 is a through-hole that slopes outward from bottom to top, facilitating the entry of external air into the inner cavity of the housing 2 at an angle through the second air inlet 922. The entry position is closer to the outer side of the first oil cup 3, making it easier for air to enter the first combustion chamber 101 for combustion through the air inlet 32. This design is simple and saves installation space.

[0058] In one embodiment of this example, such as Figure 4 As shown, the fuel injector 931 and the fuel inlet pipe 93 are integrally formed. The fuel inlet pipe 93 is installed inside the mounting through hole 920, with one end passing through the mounting through hole 920 to allow the fuel injector 931 to extend into the mixing atomization chamber near the atomizing nozzle 90. The structure is simple and easy to install. The fuel inlet pipe 93 includes the fuel injector 931, the fuel inlet 932, and the fuel inlet channel 933 connecting the fuel injector 931 and the fuel inlet 932. The diameter of the fuel injector 931 is smaller than the diameter of the fuel inlet 932, and the diameter of the fuel injector 931 is smaller than the diameter of the atomizing nozzle 90.

[0059] The fuel injector 931 has a diameter of 1-3 mm, and the fuel inlet 932 has a diameter of 3-8 mm. The fuel inlet channel 933 has a first connecting section and a second connecting section. The first connecting section connects to the fuel injector 931, and the second connecting section connects to the fuel inlet 932. The inner diameter of the first connecting section is the same as the diameter of the fuel injector 931, and the inner diameter of the second connecting section is the same as the diameter of the fuel inlet 932. In specific implementations, the diameter of the fuel injector 931 can be 1 mm, 2 mm, 3 mm, etc., and the diameter of the fuel inlet 932 can be 3 mm, 5 mm, 8 mm, etc.

[0060] In another embodiment of this example, such as Figure 5 As shown, the fuel injector 931 is located on the base 92 and above the mounting through hole 920. The diameter of the fuel injector 931 is smaller than the diameter of the mounting through hole 920, and the diameter of the fuel injector 931 is smaller than the inner diameter of the fuel inlet pipe 93. One end of the fuel inlet pipe 93 is threaded into the mounting through hole 920. In practice, the fuel injector 931 is integrated into the base 92, so the fuel outlet end of the fuel inlet pipe 93 can be connected to the mounting through hole 920, and fuel will be directly injected from the fuel injector 931 on the base 92.

[0061] Specifically, the fuel injector 931 can be integrally formed with the base 92, or it can be connected to the base 92 by threads. When the fuel injector 931 is connected to the base 92 by threads, fuel injectors 931 of different diameters can be replaced according to actual usage requirements. The base 92 is provided with a threaded interface for connecting the fuel injector 931, and the fuel injector 931 can be connected to the base 92 by threads.

[0062] More specifically, the outer walls of the upper and lower ends of the oil inlet pipe 93 are threaded, the inner wall of the mounting through hole 920 is threaded, and the upper end of the oil inlet pipe 93 is connected to the mounting through hole 920 by threads.

[0063] In practice, the upper end of the oil inlet pipe 93 is connected to the base 92 by a thread, making the connection more stable and thus giving the nozzle atomizer 9 better stability and sealing. The lower end of the oil inlet pipe 93 is threaded on its outer wall to facilitate connection to the fuel source.

[0064] In this embodiment, the oil inlet pipe 93 is connected to the fuel source via a mechanical oil valve.

[0065] In the above embodiment, the fuel enters the mixing and atomizing chamber directly through the oil inlet pipe 93. The entire process can be achieved without high-pressure compression of the fuel. Therefore, the burner combustion device can use a mechanical oil valve, eliminating the need for a high-pressure electromagnetic oil pump. This solves the problem of easy damage to the high-pressure electromagnetic oil pump and reduces maintenance costs.

[0066] In specific implementation, the air intake component 1 has an air intake channel that is connected to a fan. The fan can be a high-speed, high-pressure fan or a normal-pressure fan. In practical use, existing burner heads often suffer from a large flame that is difficult to control and reduce, resulting in inconvenience and energy waste. Therefore, the burner combustion device in this embodiment can use a normal-pressure fan instead of the high-speed, high-pressure fan used in the prior art, solving the problem of unstable small flame control in existing burner heads and improving energy efficiency.

[0067] In another embodiment, the present invention provides a stove that includes a burner combustion device as described in any of the above embodiments, which can achieve complete combustion, is energy-saving and environmentally friendly, and has a long service life and low maintenance cost.

[0068] Other components and operations of the burner combustion device and stove according to the embodiments of this utility model are known to those skilled in the art and will not be described in detail here.

[0069] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0070] In the description of this specification, references to the terms "embodiment," "specific embodiment," "example," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0071] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined with each other in any suitable manner in one or more embodiments or examples without interference or contradiction.

Claims

1. A burner head combustion device, characterized in that: It includes an air intake component (1), a housing (2), a first oil bowl (3), a second oil bowl (4), a bowl cover (5), a flame spreader (6), a flame ring (7), an igniter (8), and a nozzle atomizer (9); The bottom end of the housing (2) is connected to the air inlet component (1), and the air inlet component (1) has an air inlet channel; The first oil bowl (3) is located inside the housing (2). The bottom of the first oil bowl (3) is provided with a mixed oil and gas inlet (31). The first oil bowl (3) is also provided with an air inlet (32). The ignition needle of the igniter (8) is located inside the first oil bowl (3). The second oil bowl (4) is located inside the first oil bowl (3). The bottom of the second oil bowl (4) is provided with a toothed conical protrusion (40) and a first oil and gas hole (41). The side wall of the second oil bowl (4) is provided with a second oil and gas hole (42). The lid (5) is placed on top of the second oil bowl (4), and the lid (5) is provided with a third oil vent (51). The flame divider (6) is located above the second oil bowl (4), and the side wall of the flame divider (6) is provided with a plurality of flame divider holes (61). The fire-gathering ring (7) is located at the top of the first oil bowl (3) and outside the fire-dividing wing (6), with the top of the fire-gathering ring (7) higher than the top of the fire-dividing wing (6). The nozzle atomizer (9) is located at the bottom of the housing (2). The nozzle atomizer (9) has an atomizing nozzle (90) and a mixing atomizing chamber connected to the atomizing nozzle (90). The mixing atomizing chamber is connected to the oil inlet pipe (93) and a plurality of first air inlets (921). The atomizing nozzle (90) is located inside the mixed oil and gas inlet (31).

2. The burner head combustion device according to claim 1, characterized in that: The first oil bowl (3) includes an upper cylinder, a connecting stepped section and a lower cylinder. The inner diameter of the lower cylinder is smaller than the inner diameter of the upper cylinder. The bottom surface of the lower cylinder is provided with the mixed oil and gas inlet (31). The air inlet (32) includes a plurality of vertical through holes arranged around the mixed oil and gas inlet (31) on the bottom wall of the upper cylinder, a plurality of through holes inclined upward from the outside to the inside on the side wall of the upper cylinder, and a plurality of through holes arranged vertically on the connecting step surface.

3. The burner head combustion device according to claim 1, characterized in that: The first oil and gas hole (41) includes multiple through holes that are inclined counterclockwise or clockwise at the bottom of the second oil bowl (4); the second oil and gas hole (42) includes multiple through holes that are inclined upward from the outside to the inside on the side wall of the second oil bowl (4).

4. The burner head combustion device according to claim 1, characterized in that: The third oil and gas hole (51) includes multiple vertical through holes in the middle of the bowl cover (5) and multiple through holes on the edge of the bowl cover (5) that slope outward from bottom to top.

5. A burner head combustion device according to any one of claims 1 to 4, characterized in that: The nozzle atomizer (9) includes a nozzle (91), a base (92) and an oil inlet pipe (93) connected in sequence. The base (92) is located between the air inlet channel and the inner cavity of the housing (2). The oil inlet pipe (93) extends downward out of the bottom wall of the air inlet component (1). The nozzle (91) is provided with the atomizing nozzle (90) at the upper part, and the mixing atomizing chamber is formed between the lower part of the nozzle (91) and the upper part of the base (92); The base (92) has an installation through hole (920) and a plurality of first air inlets (921) on its bottom wall. The base (92) has an outwardly extending edge at its bottom. The edge has a plurality of second air inlets (922). The first air inlets (921) are connected to the mixing atomization chamber, and the second air inlets (922) are connected to the inner cavity of the housing (2). One end of the oil inlet pipe (93) is connected to the mounting through hole (920) and is connected to the oil spray port (931). The oil spray port (931) is located in the mixing atomization chamber near the atomizing nozzle (90).

6. The burner head combustion device according to claim 5, characterized in that: The bottom wall of the base (92) has an upwardly protruding annular mounting part (923) at the top edge. The nozzle (91) is sealed and installed inside the annular mounting portion (923), and the mixing atomizing chamber is formed between the conical surface at the bottom of the nozzle (91) and the top surface of the base (92).

7. A burner head combustion device according to claim 6, characterized in that: The edge portion is in the shape of an annular cone, a polygonal cone, an annular plate, or a polygonal plate.

8. A burner head combustion device according to claim 5, characterized in that: The oil injector (931) and the oil inlet pipe (93) are integrally formed, or the oil injector (931) is located on the base (92) and above the mounting through hole (920).

9. A burner head combustion device according to claim 5, characterized in that: The oil inlet pipe (93) is connected to the fuel source via a mechanical oil valve.

10. A stove, characterized in that: Includes the burner combustion device as described in any one of claims 1 to 9.

Images