Swing door type burner with low-noise axial flow fan

By introducing a swing door burner with low noise axial fan into the boiler burner, the problems of insufficient combustion and high noise in the existing burners are solved, and more efficient combustion and longer equipment service life are achieved, while reducing environmental impact.

CN222963942UActive Publication Date: 2025-06-10HANGZHOU FULTON THERMAL EQUIP CO LTD +1
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Patent Information

Application Number
CN202421555053.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-06-10
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The existing boiler burners have insufficient gas and air mixing and combustion, resulting in insufficient combustion, waste of resources, short service life of equipment and high noise, affecting the surrounding environment and life.

Method used

A rotary swing door burner with low noise axial flow fan is designed. Through the combination of axial flow fan and a rotary swing door structure, the efficient mixing of air and gas is achieved, and an electronic ignition device is used for ignition.

Benefits of technology

It improves the mixing degree of air and gas, enhances combustion efficiency, extends the service life of the equipment, reduces the impact on the surrounding environment, and improves the safety and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a rotary swing door type burner with a low-noise axial flow fan, which comprises the axial flow fan and a burner, the burner comprises an air inlet part and an ignition part, the air inlet part is connected with the ignition part, and the axial flow fan is connected with the air inlet part of the burner, so that the mixing degree of air and fuel gas can be fully improved, and the combustion efficiency is improved. And meanwhile, the service life of the equipment is prolonged, the influence on the surrounding environment is reduced, and the device is safer and more reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a swing-gate burner with a low-noise axial-flow fan. Background Art

[0002] The boiler burner is a heating device using gas as a fuel, which is well-known and common to people. The general setting of the existing boiler burner is: a gas nozzle, and an air nozzle is arranged near it. Gas and air enter the combustion chamber together, mix and burn in the combustion chamber. Due to the defects and deficiencies in the structural setting of the existing technology, the gas is not fully mixed with the air, the combustion is incomplete, resulting in waste of resources. The flame port does not use the electronic ignition method for ignition, and the ignition process is likely to cause equipment damage, resulting in a short service life. The noise of the fan operation is large, affecting the work and life of other production equipment. Therefore, a swing-gate burner with a low-noise axial-flow fan is proposed to solve the major improvement problems existing in the current technology. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the above technical problems, and provide a swing-gate burner with a low-noise axial-flow fan. The utility model can fully improve the mixing degree of air and gas, make the fuel burn fully to improve the combustion efficiency, at the same time improve the service life of the equipment, reduce the impact on the surrounding environment, and be safer and more reliable.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a swing-gate burner with a low-noise axial-flow fan, including an axial-flow fan and a burner. The burner includes an air inlet part and an ignition part. The air inlet part and the ignition part are connected, and the axial-flow fan is connected to the air inlet part of the burner.

[0005] Preferably, the ignition part includes a swing-gate structure and an ignition head. The two ends of the swing-gate structure are connected to the ignition head and the air inlet part, and the air inlet part is communicated to the ignition head through the swing-gate structure.

[0006] Preferably, the swing-gate structure includes a plurality of swing blades and a mixing chamber. The swing blades are installed inside the mixing chamber, and the swing blades are arranged horizontally and divide the middle position between the ignition head and the air inlet part.

[0007] Preferably, the ignition part further includes an electronic ignition device. The electronic ignition device is fixed on the swing-gate structure and is connected to the ignition head.

[0008] Preferably, the air inlet part includes an air inlet and an air filter. The air filter is connected to the mixing chamber, and the air inlet is arranged at the end of the air inlet part and is communicated with the air filter.

[0009] Preferably, the axial flow fan comprises a fan and an air duct, the fan outlet is connected to one end of the air duct, the other end of the air duct is connected to the air inlet, and the air duct is curved.

[0010] Preferably, the axial flow fan further comprises a muffler, which is installed above the fan and connected to the interior of the fan.

[0011] Preferably, the blades of the rotary blades are spaced the same from each other and have a set inclination angle.

[0012] Preferably, a fuel inlet for introducing fuel is provided on the side of the mixing chamber.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model can fully improve the mixing degree of air and gas, make the fuel burn fully and improve the combustion efficiency, while increasing the service life of the equipment, reducing the impact on the surrounding environment, and being safer and more reliable;

[0015] 2. With precise oxygen content control and mixing capabilities, combined with the premixed gas electronic ignition system, the entire ignition and combustion process is more efficient and faster;

[0016] 3. The muffler of the axial flow fan can greatly alleviate the intake noise. It uses sound insulation cotton and breathable cotton without hindering the intake efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side structural schematic diagram of the utility model;

[0019] Figure 3 The utility model Figure 1 Schematic diagram of the internal structure of the swing door structure enlarged at A.

[0020] In the figure: 1. axial flow fan, 11. fan, 12. air duct, 13. muffler, 2. burner, 21. air inlet, 211. air inlet, 212. air filter, 22. ignition part, 221. swing door structure, 2211. swing blade, 2212. mixing chamber, 222. ignition head, 223. electronic ignition device, 3. fuel inlet. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] like Figures 1-3As shown in the figure, a swing door type burner with a low-noise axial flow fan of the present utility model includes an axial flow fan 1 and a burner 2. The burner 2 includes an air inlet part 21 and an ignition part 22. The air inlet part 21 and the ignition part 22 are connected. The axial flow fan 1 is connected to the air inlet part 21 of the burner 2, with precise oxygen content control and mixing ability. Cooperating with the premixed gas electronic ignition system, the entire ignition and combustion process is more efficient and rapid.

[0023] The ignition part 22 includes a swing door type structure 221 and an ignition head 222. The two ends of the swing door type structure 221 are connected to the ignition head 222 and the air inlet part 21. The air inlet part 21 is communicated to the ignition head 222 through the swing door type structure 221. The swing door type structure 221 and the ignition head 222 are close to each other. After gas premixing and rapid ignition, the utilization rate of gas can be higher.

[0024] The swing door type structure 221 includes a number of swing blades 2211 and a mixing chamber 2212. The swing blades 2211 are installed inside the mixing chamber 2212. The swing blades 2211 are horizontally arranged and divide the middle position between the ignition head 222 and the air inlet part 21.

[0025] The ignition part 22 further includes an electronic ignition device 223. The electronic ignition device 223 is fixed on the swing door type structure 221, and the electronic ignition device 223 is connected to the ignition head 222.

[0026] The air inlet part 21 includes an air inlet 211 and an air filter 212. The air filter 212 is connected to the mixing chamber 2212. The air inlet 211 is arranged at the end of the air inlet part 21 and is communicated with the air filter 212.

[0027] The axial flow fan 1 includes a fan 11 and an air duct 12. The air outlet of the fan 11 is connected to one end of the air duct 12. The other end of the air duct 12 is connected to the air inlet 211. The air duct 12 is bent. The fan 11 and the air duct 12 are arranged on the top of the burner 2, reducing the floor area and having better integrity.

[0028] The axial flow fan 1 further includes a silencer 13. The silencer 13 is installed above the fan 11. The silencer 13 is connected to the inside of the fan 11. The silencer 13 of the axial flow fan 1 can greatly relieve the intake noise. Using sound insulation cotton and breathable cotton does not interfere with the intake efficiency.

[0029] The intervals between the fan blades of the swing blades 2211 are the same, and there is a set inclination angle. The swing blades 2211 arranged in this way have better mixing and pushing effects.

[0030] A fuel inlet 3 for introducing fuel is provided on the side of the mixing chamber 2212. A control valve is provided on the fuel inlet 3 on the mixing chamber 2212, which can control the fuel flow rate entering, and has better controllability.

[0031] In the specific implementation of the present utility model, first, air is introduced through the axial flow fan 1. The air passes through the fan 11 and the silencer 13 of the axial flow fan 1 to reduce the incoming air volume, and then enters the air inlet 211 of the air inlet part 21 through the air duct 12. The air is filtered by the air filter 212, and then enters the mixing chamber 2212. Gas is introduced through the fuel inlet 3 on the side of the mixing chamber 2212. The swing type structure 221 is started, and the swing blade 2211 mixes and stirs the air and the gas and pushes them to the ignition head 222, and ignition is achieved through the electronic ignition device 223.

[0032] The various embodiments in the specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A swing door burner with a low-noise axial flow fan, characterized in that: The invention comprises an axial flow fan (1) and a burner (2), wherein the burner (2) comprises an air inlet portion (21) and an ignition portion (22), the air inlet portion (21) and the ignition portion (22) are connected, and the axial flow fan (1) is connected to the air inlet portion (21) of the burner (2).

2. The swing door burner with a low-noise axial flow fan according to claim 1, characterized in that: The ignition part (22) comprises a swing door structure (221) and an ignition head (222); two ends of the swing door structure (221) are connected to the ignition head (222) and the air inlet part (21); and the air inlet part (21) is connected to the ignition head (222) through the swing door structure (221).

3. The swing door type burner with a low noise axial flow fan according to claim 2, characterized in that: The swing door structure (221) comprises a plurality of swing blades (2211) and a mixing chamber (2212). The swing blades (2211) are installed inside the mixing chamber (2212). The swing blades (2211) are arranged transversely and are located in the middle of the ignition head (222) and the air inlet (21).

4. The swing door type burner with a low noise axial flow fan according to claim 2, characterized in that: The ignition part (22) further comprises an electronic ignition device (223), which is fixed on the swing door structure (221) and connected to the ignition head (222).

5. The swing door type burner with a low noise axial flow fan according to claim 3, characterized in that: The air inlet portion (21) comprises an air inlet (211) and an air filter (212); the air filter (212) is connected to the mixing chamber (2212); the air inlet (211) is arranged at the rear end of the air inlet portion (21) and is connected to the air filter (212).

6. The swing door type burner with a low noise axial flow fan according to claim 5, characterized in that: The axial flow fan (1) comprises a fan (11) and an air duct (12); an air outlet of the fan (11) is connected to one end of the air duct (12), and the other end of the air duct (12) is connected to an air inlet (211); the air duct (12) is curved.

7. The swing door type burner with a low noise axial flow fan according to claim 6, characterized in that: The axial flow fan (1) further comprises a muffler (13), which is installed above the fan (11) and connected to the inside of the fan (11).

8. The swing door type burner with a low noise axial flow fan according to claim 3, characterized in that: The fan blades of the rotating pendulum blade (2211) are spaced at the same distance from each other and have a set inclination angle.

9. The swing door type burner with a low noise axial flow fan according to claim 3, characterized in that: A fuel inlet (3) for introducing fuel is provided on the side of the mixing chamber (2212).