Low-nitrogen combustor

By setting up a tracheal filter mechanism at the air inlet duct of the low-nitrogen burner, convenient disassembly and automatic cleaning are achieved, and the problem of poor filtration effect caused by the fixed connection of the filter is solved, which improves the operating efficiency and maintenance convenience of the burner.

CN223283074UActive Publication Date: 2025-08-29SHANGHAI NUOTE FEIBO COMBUSTION EQUIP CO LTD
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Patent Information

Application Number
CN202422041264.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-08-29
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The filter net at the air inlet duct of the existing low-nitrogen burner is fixedly connected to the air inlet duct, which is inconvenient for disassembly and cleaning, resulting in poor filtration effect and affecting the combustion effect.

Method used

A tracheal filter mechanism is designed, including a tracheal duct sleeve, internal threaded seat, abutment screw, filter cover, rotary motor and brush plate. The filter cover is cleaned by plug-in and unplugging and rotary motor driving the brush plate to achieve convenient disassembly and automatic cleaning.

Benefits of technology

It improves the filtration effect of the air inlet duct, prevents impurities from entering the burner, maintains combustion efficiency, and facilitates maintenance and cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of low-nitrogen combustors, in particular to a low-nitrogen combustor, which comprises a fixed bottom plate and is characterized in that the top end of the fixed bottom plate is fixedly connected with a combustor main body, the rear end of the combustor main body is fixedly connected with a combustion tube, the right side of the combustor main body is fixedly connected with a gas inlet tube, and the gas inlet tube is fixedly connected with a gas outlet tube. Filtering measures are added at the position of the air inlet pipe, air sucked by the fan is filtered, so that sundries in the air are blocked and prevented from entering the interior to affect the combustion effect, more dust can be accumulated on the surface of the filter plate after the filter plate is used for a long time, and the filter plate is not prone to falling off. The rotating brush plate is used for cleaning the surface to improve the filtering effect, so that the use is more convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-nitrogen burners, in particular to a low-nitrogen burner. Background Art

[0002] By using low-nitrogen burners to provide boilers with more efficient heat energy, a simple filter is installed at the air inlet pipe of the existing low-nitrogen burner to filter the air inhaled by the fan, thereby preventing debris in the air from entering the interior and affecting the combustion effect. However, the filter is usually fixed to the air inlet pipe with bolts, which is inconvenient to disassemble, replace and clean. At the same time, long-term filtration will cause impurities such as flying catkins in the air to adhere to the surface of the filter, which will cause the filtration effect to deteriorate over time, and will also affect the entry of air, further affecting the combustion effect.

[0003] Therefore, it is particularly important to design a low-nitrogen burner to change the above technical defects and improve overall practicality. Utility Model Content

[0004] The purpose of the present invention is to provide a low nitrogen burner to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A low-nitrogen burner, comprising a fixed base plate, characterized in that: a burner body is fixedly connected to the top of the fixed base plate, a combustion pipe is fixedly connected to the rear end of the burner body, an air intake pipe is fixedly connected to the right side of the burner body, and an air pipe filter mechanism is installed on the outer side of the air intake pipe;

[0007] The trachea filtering mechanism includes a trachea ferrule, an outer side of the trachea ferrule is symmetrically provided with an internal threaded seat, the internal thread of the internal threaded seat is connected to abutment screw, the right side of the trachea ferrule is integrally connected with a filter cover, the interior of the filter cover is fixed with a filter disc, a cavity seat is provided at the center of the right side of the filter disc, a rotating motor is installed inside the cavity seat, the output end of the rotating motor is connected to a folding support rod that draws a circle along the outer surface of the filter disc, a brush plate is fixed to the folding support rod facing the side of the filter disc, a rectangular slot is provided inside the filter cover near the lower end, and a dust collecting box is clamped inside the rectangular slot.

[0008] As a preferred solution of the present invention, a control switch is provided on the top of the burner body, wherein the control switch is connected to the burner body and the rotating motor respectively through wires, and the connection is electrical.

[0009] As a preferred solution of the present invention, the trachea ferrule and the air inlet pipe are detachably connected by plugging and pulling, and the external structure size of the air inlet pipe is adapted to the internal structure size of the trachea ferrule.

[0010] As a preferred solution of the present invention, one end of the abutment screw facing the inner side of the tracheal ferrule is sleeved with a rubber sleeve, and the other end of the abutment screw is connected to a rotating handle.

[0011] As a preferred solution of the present invention, filter holes are evenly opened inside the filter circular plate, and a fine filter mesh is attached to the inside of the filter holes.

[0012] As a preferred solution of the present invention, the filter cover and the dust collection box are designed to be detachable.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] In the utility model, a low-nitrogen burner is set up and filtering measures are added at the air inlet pipe to filter the air inhaled by the fan, so that the debris in the air is blocked and prevented from entering the interior and affecting the combustion effect. After long-term use, a lot of dust may accumulate on the surface of the filter plate. The surface is cleaned by a rotating brush plate to improve the filtering effect, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a left view of the overall structure of the utility model;

[0016] Figure 2 This is a right side view of the overall structure of the utility model;

[0017] Figure 3 This is the structural diagram of the tracheal filtering mechanism of the utility model.

[0018] In the figure: 1. Fixed base plate; 2. Burner body; 3. Combustion tube; 4. Air inlet pipe; 5. Air tube filter mechanism; 501. Air tube ferrule; 502. Internal thread seat; 503. Abutment screw; 504. Filter cover; 505. Filter disc; 506. Cavity seat; 507. Rotating motor; 508. Folding support rod; 509. Brush plate; 510. Rectangular notch; 511. Ash collection box. DETAILED DESCRIPTION

[0019] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A low-nitrogen burner includes a fixed base plate 1, characterized in that: the top of the fixed base plate 1 is fixedly connected to a burner body 2, the rear end of the burner body 2 is fixedly connected to a combustion tube 3, the right side of the burner body 2 is fixedly connected to an air intake pipe 4, and an air pipe filter mechanism 5 is installed on the outside of the air intake pipe 4.

[0025] In this embodiment, please refer to Figure 2 and Figure 3 The trachea filtering mechanism 5 includes a trachea ferrule 501, and an internal thread seat 502 is symmetrically provided on the outer side of the trachea ferrule 501. The internal thread of the internal thread seat 502 is connected to the abutting screw 503. The right side of the trachea ferrule 501 is integrally connected with a filter cover 504, and a filter circular plate 505 is fixed inside the filter cover 504. A cavity seat 506 is provided at the center of the right side of the filter circular plate 505. A rotating motor 507 is installed inside the cavity seat 506. The output end of the rotating motor 507 is connected to a folded support rod 508 that draws a circle along the outer surface of the filter circular plate 505. A brush plate 509 is fixed to the side of the folded support rod 508 facing the filter circular plate 505. A rectangular notch 510 is provided inside the filter cover 504 and near the lower end. A dust collecting box 511 is clamped inside the rectangular notch 510.

[0026] A control switch is provided on the top of the burner body 2, wherein the control switch is connected to the burner body 2 and the rotating motor 507 through wires, and the connection is electrical. The trachea ferrule 501 and the air inlet pipe 4 are detachably connected by plugging and unplugging, which is convenient for maintenance and replacement. The external structure size of the air inlet pipe 4 is adapted to the internal structure size of the trachea ferrule 501. The end of the abutment screw 503 facing the inside of the trachea ferrule 501 is sleeved with a rubber sleeve to increase the clamping stability. The other end of the abutment screw 503 is connected with a rotating handle for easy operation. Filter holes are evenly opened on the inside of the filter disc 505, and a fine filter mesh is fitted inside the filter hole to filter and block large particles of impurities in the air. The filter cover 504 and the ash box 511 are designed with a detachable structure for easy handling and cleaning.

[0027] The working process of the present utility model is as follows: when using the present low-carbon burner, the air pipe sleeve 501 is sleeved on the port of the air inlet pipe 4, and then the contact screw 503 is rotated inside the internal threaded seat 502 to make the air pipe sleeve 501 firmly sleeved on the outside of the air inlet pipe 4. During use, the air will contact the filter disc 505 inside the filter cover 504 before entering from the air inlet pipe 4. The large particles of impurities in the air will be blocked by the fine filter mesh in the filter holes of the filter disc 505, and the air sucked in by the fan is filtered, so that the debris in the air is blocked from entering the interior and affecting the combustion effect. At regular intervals, the rotating motor 507 drives the folding support rod 508 to rotate in a circle, so that the brush plate 509 cleans the surface of the filter disc 505 to improve the filtering effect. The fallen impurities fall into the ash box 511 in the rectangular slot 510, which is convenient for the staff to clean uniformly and is more convenient to use.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low nitrogen burner, comprising a fixed base plate (1), characterized in that: The top end of the fixed base plate (1) is fixedly connected to a burner body (2), the rear end of the burner body (2) is fixedly connected to a combustion tube (3), the right side of the burner body (2) is fixedly connected to an air intake pipe (4), and an air pipe filter mechanism (5) is installed on the outside of the air intake pipe (4); The trachea filtering mechanism (5) comprises a trachea ferrule (501), an internal thread seat (502) is symmetrically arranged on the outer side of the trachea ferrule (501), an internal thread of the internal thread seat (502) is connected to an abutting screw (503), a filter cover (504) is integrally connected to the right side of the trachea ferrule (501), a filter disc (505) is fixed inside the filter cover (504), and a cavity seat (506) is provided at the center of the right side of the filter disc (505). A rotating motor (507) is installed inside the cavity seat (506), and the output end of the rotating motor (507) is connected to a folding support rod (508) that draws a circle along the outer surface of the filter circular plate (505). A brush plate (509) is fixed on the side of the folding support rod (508) facing the filter circular plate (505). A rectangular notch (510) is opened inside the filter cover (504) near the lower end, and a dust collecting box (511) is clamped inside the rectangular notch (510).

2. A low nitrogen burner according to claim 1, characterized in that: A control switch is provided on the top of the burner body (2), wherein the control switch is connected to the burner body (2) and the rotating motor (507) respectively via wires, and the connection is electrical.

3. A low nitrogen burner according to claim 1, characterized in that: The trachea ferrule (501) and the air inlet pipe (4) are detachably connected by plugging and unplugging, and the external structure size of the air inlet pipe (4) is adapted to the internal structure size of the trachea ferrule (501).

4. A low nitrogen burner according to claim 1, characterized in that: One end of the abutting screw (503) facing the inner side of the trachea ferrule (501) is sleeved with a rubber sleeve, and the other end of the abutting screw (503) is connected to a rotating handle.

5. The low nitrogen burner according to claim 1, characterized in that: The filter circular plate (505) is evenly provided with filter holes inside, wherein a fine filter mesh is fitted inside the filter holes.

6. A low nitrogen burner according to claim 1, characterized in that: The filter cover (504) and the ash collection box (511) are designed to be detachable.