Novel gas burner

Abstract

The utility model discloses a novel gas burner, which relates to the technical field of gas burners and comprises a shell, a cover plate is fixedly mounted on the front side of the shell, a communicating pipe is fixedly mounted in the middle of the inner side of the cover plate, a spark nozzle is fixedly connected to the front end of the bottom of the shell, and a butt joint pipe frame is fixedly mounted at the rear end of the communicating pipe. By the adoption of the structure, through the dual-mode design, the ultra-high-speed burner which is graded through air at the furnace temperature of 800 DEG C or below and the unique cup-shaped mixing structure, fuel gas can be fully combusted at the low furnace temperature, the furnace temperature uniformity can be improved, and therefore generation of nitric oxide is reduced. The furnace temperature is 800 DEG C or above, the furnace can be switched to a high-temperature mode, the high-temperature mode adopts a unique combustion staged design, and fuel gas and air are mixed and combusted in a high-temperature hearth, so that semi-flameless or full-flameless combustion is realized, the furnace temperature uniformity is greatly improved, and the generation of thermal nitrogen oxides is greatly reduced.

Description

Technical Field

[0001] This utility model belongs to the field of gas burner technology, and specifically relates to a novel gas burner. Background Technology

[0002] A gas burner is a device used to burn gases, commonly found in household and industrial equipment such as gas stoves, gas cooktops, and gas-fired hot air furnaces. The function of a gas burner is to mix gas and air and then eject the mixture to form a flame of combustible gas. A gas burner typically consists of components such as a nozzle, a mixing chamber, and an ignition device.

[0003] Chinese patent publication number CN213746734U discloses a gas burner, which includes a gas inlet, an air inlet, a gas nozzle, an air nozzle frame, and a combustion chamber. The gas inlet delivers gas into the combustion chamber through the gas nozzle, and combustion-supporting air from the air inlet is injected into the combustion chamber through the air nozzle frame. The burner also includes an ignition hole and a burner nozzle. The ignition hole ignites the air-gas mixture in the combustion chamber, and the burner nozzle discharges the high-temperature flue gas and some unburned gas mixture from the combustion chamber, which then enters the furnace to continue combustion. This application solves the problem of burnout rate in low-pressure gas burners and also addresses the technical problem of poor furnace temperature uniformity affecting burner performance. This application solves the performance problems of low-pressure gas burners, enabling high-speed gas ejection.

[0004] While the above-mentioned technical solution can improve combustion uniformity during use, its internal burner structure is simple. During combustion, the gas can only enter the burner from one side. Furthermore, due to the simple burner structure, it cannot quickly disperse and fill the combustion chamber with gas, resulting in poor overall combustion efficiency and combustion uniformity. Utility Model Content

[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a new type of gas burner to solve the problems mentioned in the background art.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A novel gas burner includes a housing, a cover plate fixedly installed on the front side of the housing, a connecting pipe fixedly installed in the middle of the inner side of the cover plate, a spark nozzle fixedly connected to the front bottom of the housing, a connecting pipe bracket fixedly installed at the rear end of the connecting pipe, a gas pipe bracket connected to the connecting pipe bracket, a first nozzle fixedly installed on the rear side of the gas pipe bracket, a second nozzle fixedly connected to the rear side of the first nozzle, a third nozzle fixedly connected to the rear side of the second nozzle, an electrode strip fixedly connected to one side of the cover plate, a burner flange fixedly installed on the back of the housing, a combustion shell fixedly installed on the rear side of the burner flange, a flat nozzle fixedly connected to the inner side of the combustion shell, the flat nozzle being disposed on the outer side of the third nozzle, through holes equally spaced on the outer side of the third nozzle, and a gas connection pipe bracket fixedly installed on the side of the burner flange near the housing.

[0008] As a preferred technical solution, two sets of observation mirrors are fixedly connected to the lower end of one side and the middle of the other side of the front of the cover plate. Mounting holes are opened at the four corners of the burner flange. By setting up the observation mirrors, the combustion status of the burner can be easily observed.

[0009] As a preferred technical solution, a sealing gasket is provided between the front burner flange of the cover plate and the inner side connection of the outer shell. The sealing gasket is set as a heat-resistant gasket, which can improve the connection sealing between the cover plate and the burner flange.

[0010] As a preferred technical solution, the gas connection pipe rack is arranged in a U-shape, and the output end of the gas connection pipe rack is connected to the third nozzle. The U-shaped arrangement of the gas pipe facilitates the delivery of gas.

[0011] As a preferred technical solution, the side of the third nozzle is cup-shaped, and a delivery pipe is fixedly installed on the top of the housing. The third nozzle can assist the delivery pipeline during use, making the device more convenient to use.

[0012] As a preferred technical solution, the lower end of the gas connection pipe rack is provided with a tee pipe, and the lower end of the gas connection pipe rack is connected to the tee pipe. The tee pipe can be connected to the two input ends of the outer end of the gas connection pipe rack, which facilitates the connection of gas pipelines.

[0013] As a preferred technical solution, the front end of the flat nozzle has an overall annular cross-sectional shape, the rear side of the flat nozzle has an overall elongated cross-sectional shape with arc-shaped ends, and a connecting flange is fixedly installed on the top of the conveying pipe. The connection flange improves the overall connection convenience of the conveying pipe.

[0014] In summary, the present invention has the following main advantages:

[0015] First, this burner features a dual-mode design. Below 800 degrees Celsius, it utilizes an ultra-high-speed burner with air-stage combustion and a unique cup-shaped mixing structure, ensuring complete combustion of the gas even at low furnace temperatures. This improves furnace temperature uniformity and reduces nitrogen oxide formation. Above 800 degrees Celsius, it switches to a high-temperature mode. This mode employs a unique combustion-stage design, allowing the gas and air to mix and burn within the high-temperature furnace, achieving semi-flameless or fully flameless combustion. This significantly improves furnace temperature uniformity and substantially reduces the formation of thermal nitrogen oxides.

[0016] Secondly, the combined design of the first, second, and third nozzles allows the gas to be quickly and evenly dispersed and filled into the interior of the combustion shell through the through holes of the first, second, and third nozzles during use, which can improve the overall uniformity of combustion. Furthermore, during combustion, the gas is delivered from both sides using the U-shaped gas connection pipe rack, which can improve the uniformity of gas delivery and enable the gas to be more evenly distributed into the interior of the third nozzle, thereby improving the uniformity of combustion. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0019] Figure 3 This is an exploded rear view of this utility model;

[0020] Figure 4 This is an exploded bottom view of this utility model.

[0021] Reference numerals: 1. Outer shell; 2. Cover plate; 3. Connecting pipe; 4. Spark nozzle; 5. Connecting pipe bracket; 6. Gas pipe bracket; 7. First nozzle; 8. Second nozzle; 9. Third nozzle; 10. Electrode strip; 11. Burner flange; 12. Combustion shell; 13. Flat nozzle; 14. Through hole; 15. Sealing gasket; 16. Gas connection pipe bracket; 17. Observation mirror; 18. Delivery pipe; 19. Connecting flange; 20. T-pipe. Detailed Implementation

[0022] Example

[0023] refer to Figures 1 to 4This embodiment describes a novel gas burner, comprising a housing 1, a cover plate 2 fixedly mounted on the front side of the housing 1, a connecting pipe 3 fixedly mounted on the inner center of the cover plate 2, a spark nozzle 4 fixedly connected to the bottom front end of the housing 1, a connecting pipe bracket 5 fixedly mounted on the rear end of the connecting pipe 3, a gas pipe bracket 6 connected to the connecting pipe bracket 5, a first nozzle 7 fixedly mounted on the rear side of the gas pipe bracket 6, a second nozzle 8 fixedly connected to the rear side of the first nozzle 7, a third nozzle 9 fixedly connected to the rear side of the second nozzle 8, and a cover plate 2 fixedly mounted on one side. An electrode strip 10 is connected to the outer shell 1. A burner flange 11 is fixedly installed on the back of the outer shell 1. A combustion shell 12 is fixedly installed on the rear side of the burner flange 11. A flat nozzle 13 is fixedly connected to the inner side of the combustion shell 12. The flat nozzle 13 is located on the outer side of the third nozzle 9. Through holes 14 are opened at equal intervals on the outer side of the third nozzle 9. A gas connection pipe bracket 16 is fixedly installed on the side of the burner flange 11 near the outer shell 1. The arrangement of the first nozzle 7, the second nozzle 8, and the third nozzle 9 in conjunction with the through holes 14 can uniformly discharge the mixed gas and further improve the gas combustion effect.

[0024] refer to Figures 1-4 A sealing gasket 15 is provided between the front burner flange 11 of the cover plate 2 and the inner side of the outer shell 1. The sealing gasket 15 is a heat-resistant gasket. The sealing gasket 15 can improve the connection sealing performance between the cover plate 2 and the burner flange 11. The design of the sealing gasket 15 can further improve the overall sealing performance of the cover plate 2 and facilitate the use of this nozzle.

[0025] refer to Figures 1-4 The gas connection pipe rack 16 is arranged in a U-shape. The output end of the gas connection pipe rack 16 is connected to the third nozzle 9. The U-shaped arrangement of the gas pipe facilitates the delivery of gas. The U-shaped gas connection pipe rack 16 also facilitates the discharge of gas from both sides into the combustion shell 12.

[0026] refer to Figures 1-4 Two sets of observation mirrors 17 are fixedly connected to the lower end of one side and the middle of the other side of the front of the cover plate 2. Mounting holes are provided at the four corners of the burner flange 11. The observation mirrors 17 are provided to facilitate observation of the combustion of the burner. The observation mirrors 17 are provided to facilitate auxiliary observation of the combustion during use. The mounting holes are provided to facilitate the installation of the burner flange 11.

[0027] refer to Figures 2-4The third nozzle 9 has a cup-shaped side, and a delivery pipe 18 is fixedly installed on the top of the outer shell 1. The third nozzle 9 can be used to assist the delivery pipe 18 during use, which is convenient for the use of this device. The cup-shaped gas connection pipe rack 16 can improve the gas delivery and dispersion effect, and the delivery pipe 18 can be quickly connected to external pipelines during use, which is convenient for the use of this device.

[0028] refer to Figures 3-4 The front end of the flat nozzle 13 has an overall annular cross-sectional shape, and the rear side of the flat nozzle 13 has an overall elongated cross-sectional shape with arc-shaped ends. A connecting flange 19 is fixedly installed on the top of the conveying pipe 18. The connecting flange 19 can improve the overall connection convenience of the conveying pipe 18. The flat nozzle 13 with arc-shaped ends can improve the combustion emission effect.

[0029] refer to Figures 1-4 The lower end of the gas connection pipe rack 16 is provided with a tee pipe 20. The lower end of the gas connection pipe rack 16 is connected to the tee pipe 20. The tee pipe 20 can be connected to the two input ends of the outer end of the gas connection pipe rack 16 to facilitate connection to the gas pipeline. The tee pipe 20 can be used to assist in connecting the gas connection pipe rack 16 during use to facilitate the gas delivery of this burner.

[0030] Operating principle and advantages: This burner features a dual-mode design. Below 800°C, it utilizes an ultra-high-speed burner with air-stage combustion and a unique cup-shaped mixing structure, ensuring complete combustion of the gas even at low furnace temperatures. This improves furnace temperature uniformity and reduces nitrogen oxide formation. Above 800°C, it switches to a high-temperature mode. This mode employs a unique combustion-stage design, allowing the gas and air to mix and burn within the high-temperature furnace chamber, achieving semi-flameless or fully flameless combustion. This significantly improves furnace temperature uniformity and substantially reduces the formation of thermal nitrogen oxides.

[0031] By combining the first nozzle 7, the second nozzle 8, and the third nozzle 9, the gas can be quickly and evenly dispersed and filled into the interior of the combustion shell 12 through the through hole 14 during use, which can improve the overall combustion uniformity. In addition, during the combustion process, the gas is delivered from both sides by the U-shaped gas connection pipe rack 16, which can improve the uniformity of gas delivery and make the gas more evenly distributed into the interior of the third nozzle 9, thereby improving the combustion uniformity.

Claims

1. A new gas burner comprising a casing, characterized by the fact that: A cover plate is fixedly installed on the front side of the outer casing. A connecting pipe is fixedly installed in the middle of the inner side of the cover plate. A spark nozzle is fixedly connected to the front bottom of the outer casing. A connecting pipe bracket is fixedly installed at the rear end of the connecting pipe. A gas pipe bracket is connected to the connecting pipe bracket through the connecting pipe bracket. A first nozzle is fixedly installed on the rear side of the gas pipe bracket. A second nozzle is fixedly connected to the rear side of the first nozzle. A third nozzle is fixedly connected to the rear side of the second nozzle. An electrode strip is fixedly connected to one side of the cover plate. A burner flange is fixedly installed on the back of the outer casing. A combustion shell is fixedly installed on the rear side of the burner flange. A flat nozzle is fixedly connected to the inner side of the combustion shell. The flat nozzle is located on the outer side of the third nozzle. Through holes are evenly spaced on the outer side of the third nozzle. A gas connection pipe bracket is fixedly installed on the side of the burner flange near the outer casing.

2. A new gas burner as claimed in claim 1, characterized in that: A sealing gasket is provided between the front burner flange of the cover plate and the inner side connection of the outer shell, and the sealing gasket is set as a heat-resistant gasket.

3. A novel gas burner as claimed in claim 1, wherein: The gas connection pipe rack is U-shaped, and its output end is connected to the third nozzle.

4. A novel gas burner as claimed in claim 1, wherein: Two sets of observation mirrors are fixedly connected to the lower end of one side and the middle of the other side of the front of the cover plate, and mounting holes are provided at the four corners of the burner flange.

5. A novel gas burner as claimed in claim 1, wherein: The third nozzle has a cup-shaped side, and a delivery pipe is fixedly installed on the top of the housing.

6. A novel gas burner as claimed in claim 5, characterized in that: The front end of the flat nozzle has an overall circular cross-sectional shape, the rear side of the flat nozzle has an overall elongated cross-sectional shape with arc-shaped ends, and a connecting flange is fixedly installed on the top of the conveying pipe.

7. A novel gas burner as claimed in claim 1, wherein: The lower end of the gas connection pipe rack is provided with a tee pipe, and the lower end of the gas connection pipe rack is connected to the tee pipe.

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