A self-priming and cooling combustion type low-nitrogen burner

By designing a self-priming cooling structure and a sufficient combustion structure in a low-nitrogen burner, the problems of excessive temperature and insufficient combustion of the combustion cylinder are solved, and a longer service life and lower emission of harmful substances are achieved.

CN117308087BActive Publication Date: 2025-06-10XUZHOU HUA YUAN COMBUSTION CONTROL ENG CO LTD
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Patent Information

Application Number
CN202311331199.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-16
Publication Date
2025-06-10
Estimated Expiration
2043-10-16

AI Technical Summary

Technical Problem

The existing low-nitrogen burners have too high internal temperature during operation, resulting in shortening of service life and insufficient combustion, resulting in the discharge of harmful substances.

Method used

A self-priming cooling combustion low-nitrogen burner is designed. By setting up a conveying cooling structure and a full combustion structure, using semiconductor refrigerators and cavities conical bodies and other technologies to achieve self-priming cooling of the combustion cylinder and combustion head, and through structures such as combustion disks and through holes to ensure the adequacy of combustion.

Benefits of technology

It effectively reduces the internal temperature of the combustion cylinder, extends the service life, improves the combustion efficiency, and reduces the emission of harmful substances.

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Abstract

The present invention discloses a self-priming cooling combustion type low-nitrogen burner. This product is suitable for industrial furnaces and boilers, and includes a combustion body structure as the main body. A conveying and cooling structure is provided below the interior of the combustion body structure, and a full combustion structure is provided above the interior of the combustion body structure. The combustion body structure includes a combustion cylinder as the main body, and a combustion head is inlaid on the combustion cylinder. At the same time, a flange pipe for installing a blower is inlaid on one side below the combustion cylinder. A pipe connection seat is provided below the interior of the combustion cylinder, and an air pipe connected to the flange pipe is provided inside the pipe connection seat. A branch pipe is inlaid on the surface of the air pipe, and a cavity cone body is provided inside the air pipe. At the same time, the cavity cone body is provided with conveying holes convenient for gas transmission. The conveying and cooling structure includes a connecting cover with a hollow structure inside. This self-priming cooling combustion type low-nitrogen burner achieves a two-way connection effect through the provided pipe connection seat.
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Description

Technical Field

[0001] The present invention relates to the technical field of low-nitrogen burners, and specifically to a self-priming cooling combustion type low-nitrogen burner. Background Art

[0002] During the operation of existing low-nitrogen burners, the temperature inside the combustion cylinder is relatively high. During the long-term combustion process, the high temperature inside the combustion cylinder can easily shorten the service life of the combustion cylinder. At the same time, existing low-nitrogen burners have incomplete combustion, resulting in the emission of harmful substances. Summary of the Invention

[0003] The purpose of the present invention is to provide a self-priming cooling combustion type low-nitrogen burner for the deficiencies of the existing technology, so as to solve the problems mentioned in the above background art that the temperature inside the combustion cylinder of the existing low-nitrogen burner is relatively high during operation, and the high temperature inside the combustion cylinder during the long-term combustion process can easily shorten the service life of the combustion cylinder. At the same time, existing low-nitrogen burners have incomplete combustion, resulting in the emission of harmful substances.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A self-priming cooling combustion type low-nitrogen burner includes a combustion body structure as the main body. A conveying and cooling structure is provided below the interior of the combustion body structure, and a full combustion structure is provided above the interior of the combustion body structure;

[0005] The combustion body structure includes a combustion cylinder as the main body, and a combustion head is inlaid on the combustion cylinder. At the same time, a flange pipe for installing a blower is inlaid on one side below the combustion cylinder;

[0006] A pipe connection seat is provided below the interior of the combustion cylinder, and an air pipe connected to the flange pipe is provided inside the pipe connection seat.

[0007] By adopting the above technical solution, the pipe connection seat provided plays a two-way connection effect.

[0008] Preferably, a branch pipe is inlaid on the surface of the air pipe, and a cavity cone body is provided inside the air pipe. At the same time, a conveying hole for facilitating gas transportation is penetrated through the cavity cone body.

[0009] By adopting the above technical solution, the conveying hole provided plays an air transportation effect.

[0010] Preferably, the conveying and cooling structure includes a connection cover with a hollow interior, blades are inclined inside the connection cover, and a semiconductor refrigerator is provided below the blades.

[0011] By adopting the above technical solution, the semiconductor refrigerator provided plays a refrigeration operation effect.

[0012] Preferably, the full combustion structure includes a combustion disk with a through-hole, and the combustion disk is disposed inside the combustion head through the gas pipe. Meanwhile, a cavity disk disposed inside the combustion head is also provided on the combustion disk.

[0013] By adopting the above technical solution, the combustion disk provided also has the effect of providing installation and setting.

[0014] Preferably, a cavity pipe is also embedded above the cavity disk, and the cavity pipe is provided with ventilation holes. Meanwhile, an electronic igniter is provided between the cavity pipes.

[0015] By adopting the above technical solution, the electronic igniter provided thus has the effect of controlling the electric ignition.

[0016] Preferably, a gas inlet pipe penetrates through the combustion disk and the combustion head on one side below the cavity disk, and the gas inlet pipe adopts the existing pipe structure.

[0017] By adopting the above technical solution, the combustion head provided thus has the effect of providing installation and through-connection setting.

[0018] Preferably, there are 2 groups of branch pipes, and each group of branch pipes has 4 pipes.

[0019] By adopting the above technical solution, the branch pipes provided thus have the effect of connecting and conveying.

[0020] Preferably, there are 8 blades, and the blades are installed at an inclined angle relative to each other.

[0021] By adopting the above technical solution, the blades provided thus have the effect of guiding and conveying.

[0022] Preferably, there are 8 cavity pipes, and the cavity pipes are arranged in a circular array with respect to the cavity disk.

[0023] By adopting the above technical solution, the cavity pipes provided thus have the effect of providing installation and opening setting.

[0024] Compared with the prior art, the beneficial effect of the present invention is that this self-priming and cooling combustion type low-nitrogen burner

[0025] (1) In this case, a combustion body structure is set up to solve the problem that the temperature inside the combustion cylinder of the existing low-nitrogen burner is relatively high during operation, which may easily shorten the service life of the combustion cylinder due to the excessive temperature inside the combustion cylinder during long-term combustion. When the fan is working, the external air is transported into the trachea. The air entering the trachea is divided into two streams of air through the cavity cone and is transported through the trachea and the branch pipe respectively. The air transported through the trachea is transported into the combustion head for mixed combustion, while the air transported into the branch pipe is used by the transportation and cooling structure to perform self-priming cooling treatment on the combustion cylinder and the combustion head.

[0026] (2) Through the combustion disk and through holes set in the full combustion structure, the problem that the existing low-nitrogen burner has insufficient combustion, resulting in the emission of harmful substances, is solved. Since the through holes are all circular and the diameter of the through holes close to the axis of the combustion plate is smaller than the diameter of the through holes far from the axis of the combustion plate, the gas can be burned more fully, improving the combustion efficiency.

[0027] (3) Through the transportation and cooling structure set up, the situation that the self-priming air cooling is not obvious is solved. When the branch pipe transports air close to the blade, the semiconductor cooler cools the blade itself during operation. When the air contacts the blade, the blade absorbs the heat in the air and makes the air rise in a spiral manner and is transported into the combustion cylinder and the combustion head for cooling.

[0028] (4) Through the cavity pipe and ventilation holes set in the full combustion structure, the situation that the concentrated transportation of combustion gas leads to insufficient mixing with air and reduces the combustion efficiency is solved. When the combustion gas is transported, the combustion gas is transported into the cavity disk through the gas inlet pipe. The combustion gas entering the cavity disk diffuses into the combustion head through the cavity pipe and the ventilation holes and can be fully mixed with air for combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view sectional structure schematic diagram of the present invention;

[0030] Figure 2 It is a structure schematic diagram of the combustion cylinder, combustion head, flange pipe, fan, pipe connection seat, trachea, branch pipe and cavity cone of the present invention;

[0031] Figure 3 It is a structure schematic diagram of the cavity cone and transportation holes of the present invention;

[0032] Figure 4 It is a structure schematic diagram of the transportation and cooling structure of the present invention;

[0033] Figure 5 It is a structure schematic diagram of the combustion disk, cavity disk and gas inlet pipe of the present invention;

[0034] Figure 6 Schematic diagram of the combustion tray and through-hole structure of the present invention;

[0035] Figure 7 Schematic diagram of the cavity tray, cavity tube, ventilation hole, electronic ignition head and gas inlet pipe of the present invention.

[0036] In the figure: 1. Combustion body structure; 101. Combustion cylinder; 102. Combustion head; 103. Flange pipe; 104. Fan; 105. Pipe connection seat; 106. Air pipe; 107. Branch pipe; 108. Cavity cone; 109. Delivery hole; 2. Delivery and cooling structure; 201. Connection cover; 202. Blade; 203. Semiconductor refrigerator; 3. Full combustion structure; 301. Combustion tray; 302. Through hole; 303. Cavity tray; 304. Cavity tube; 305. Ventilation hole; 306. Electronic ignition head; 307. Gas inlet pipe. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Please refer to Figure 1-7 , the present invention provides a technical solution: a self-priming cooling combustion type low-nitrogen burner, as shown in Figure 1 , Figure 2 and Figure 3 , including a combustion body structure 1 as the main body. The combustion body structure 1 includes a combustion cylinder 101 as the main body, and a combustion head 102 is inlaid on the combustion cylinder 101. At the same time, a flange pipe 103 for installing the fan 104 is inlaid on one side below the combustion cylinder 101. Among them, the above-mentioned components are all installed with existing technical components, and the existing technical components are also effective in playing the role of installation and connection when installed.

[0039] In the above solution, further, a pipe connection seat 105 is provided below the interior of the combustion cylinder 101, and an air pipe 106 connected to the flange pipe 103 is provided inside the pipe connection seat 105. Among them, the above-mentioned components are also installed with existing technical components, and the existing technical components are also effective in playing the role of connection and air extraction and delivery when installed.

[0040] Furthermore, in the above solution, branch pipes 107 are inlaid on the surface of the trachea 106. There are 2 groups of branch pipes 107, and each group has 4 branch pipes. With 2 groups of these components, it not only reflects the symmetry of the installation of these components, but also reflects the inlaid setting and connection and transportation effects of the installation of these components. Moreover, when these components are arranged in a flip structure, it effectively ensures the two-way air circulation and transportation effect. And the trachea 106 is internally provided with a cavity cone 108, and at the same time, the cavity cone 108 is provided with a delivery hole 109 for facilitating gas transportation. Among them, the above components also adopt the installation of existing technical components, and when using the installation of existing technical components, it also effectively plays the roles of guiding and transporting and intercepting and diverting transportation.

[0041] As Figure 4 shown, a delivery and cooling structure 2 is provided below the interior of the combustion body structure 1. The delivery and cooling structure 2 includes a connection cover 201 with a hollow interior, and blades 202 are inclined inside the connection cover 201. There are 8 blades 202, and the blades 202 are installed at an inclined angle relative to each other. With 8 pieces of these components, it not only reflects the practicality of the installation of these components, but also reflects the effect of facilitating the installation of other components. And these components are made of stainless steel material, which not only increases the service life of these components but also effectively plays the role of rapid heat absorption and heat exchange treatment. At the same time, when the blades 202 are installed at an inclined angle relative to each other, the transported air moves in a spiral manner. When the air moves in a spiral manner, it not only plays a cooling effect but also a rotational mixing effect. At the same time, a semiconductor refrigerator 203 is provided below the blades 202. Among them, the above components also adopt the installation of existing technical components, and when using the installation of existing technical components, it effectively plays the roles of rapid refrigeration and heat exchange and cooling.

[0042] As Figure 5 、 Figure 6 and Figure 7 shown, and a full combustion structure 3 is provided above the interior of the combustion body structure 1. The full combustion structure 3 includes a combustion disk 301 with a through hole 302. The combustion disk 301 passes through the trachea 106 and is arranged inside the burner head 102. At the same time, a cavity disk 303 arranged inside the burner head 102 is also provided on the combustion disk 301. Among them, the through hole 302 is opened in a way that it becomes smaller from far to near. When the through hole 302 is opened in the way of becoming smaller, it effectively improves the combustion efficiency and avoids fuel waste and the discharge of a large amount of harmful substances caused by incomplete combustion.

[0043] Further, above the cavity disk 303, there are also 8 cavity tubes 304 embedded. The 8 cavity tubes 304 are arranged in a circular array with respect to the cavity disk 303. When there are 8 such components, it reflects the embedded connection of the installation of these components, and also reflects the effects of through-opening and connection and transportation of these components. When these components are arranged in a circular array, it also reflects the equidistant distribution and installation of these components, as well as the aesthetic and practical effects of the overall setting. Moreover, the cavity tubes 304 are provided with ventilation holes 305, and there are electronic igniters 306 between the cavity tubes 304. Among them, these components adopt the installation settings of existing technical components again, and when using the installation settings of existing technical components again, it effectively plays the effects of embedded connection setting and connection and transportation setting.

[0044] Further, on one side below the cavity disk 303, a gas inlet pipe 307 penetrates through the combustion disk 301 and the combustion head 102, and the gas inlet pipe 307 adopts the structure of an existing pipe.

[0045] In the above solution, when the combustion gas is transported into the cavity disk 303 through the gas inlet pipe 307, the combustion gas entering the cavity disk 303 is transported into the combustion head 102 through the cavity tubes 304 and the ventilation holes 305. At the same time, during the operation of the fan 104, air is transported into the air pipe 106 through the flange pipe 103 and the pipe connection seat 105. The gas entering the air pipe 106 is divided and transported through the cavity cone 108 and the delivery holes 109 for convenient transportation into the combustion head 102 and the branch pipe 107. The air entering the branch pipe 107 forms spiral air through the connection cover 201, the blades 202 and the semiconductor cooler 203 and is transported into the combustion cylinder 101 and the combustion head 102 again for cooling and mixing combustion.

[0046] The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of simplifying the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the protection scope of the present invention.

[0047] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A self - suction cooling combustion type low - nitrogen burner, Characterized in that: It includes a combustion body structure (1) as the main body. Below the interior of the combustion body structure (1), a conveying and cooling structure (2) is provided, and above the interior of the combustion body structure (1), a full - combustion structure (3) is provided; The combustion body structure (1) includes a combustion cylinder (101) as the main body, and a combustion head (102) is inlaid on the combustion cylinder (101). At the same time, a flange pipe (103) for installing the blower (104) is inlaid on one side below the combustion cylinder (101); Below the interior of the combustion cylinder (101), a pipe connection seat (105) is provided, and an air pipe (106) connected to the flange pipe (103) is provided inside the pipe connection seat (105); On the surface of the air pipe (106), a branch pipe (107) is inlaid. Inside the air pipe (106), a cavity cone (108) is provided. At the same time, the cavity cone (108) is provided with conveying holes (109) for facilitating gas transportation; The conveying and cooling structure (2) includes a connecting cover (201) with a hollow interior. Inside the connecting cover (201), blades (202) are inclined. At the same time, a semiconductor cooler (203) is provided below the blades (202); The full - combustion structure (3) includes a combustion disc (301) with through - holes (302) provided. The combustion disc (301) passes through the air pipe (106) and is arranged inside the combustion head (102). At the same time, a cavity disc (303) arranged inside the combustion head (102) is also provided on the combustion disc (301); Above the cavity disc (303), a cavity pipe (304) is also inlaid. The cavity pipe (304) is provided with ventilation holes (305). At the same time, an electronic ignition head (306) is provided between the cavity pipes (304); On one side below the cavity disc (303), a gas inlet pipe (307) passes through the combustion disc (301) and the combustion head (102); When the blower (104) is working, the external air is conveyed into the air pipe (106). The air entering the air pipe (106) is divided into two streams of air by the cavity cone (108) and is respectively conveyed through the air pipe (106) and the branch pipe (107). The air conveyed through the air pipe (106) is conveyed into the combustion head (102) for mixed combustion, and the air conveyed into the branch pipe (107) is used for self - suction cooling treatment of the combustion cylinder (101) and the combustion head (102) through the conveying and cooling structure (2).

2. A self - suction cooling combustion type low - nitrogen burner according to claim 1, Characterized in that: There are 2 groups of the branch pipes (107), and each group of branch pipes (107) has 4 pieces.

3. A self - suction cooling combustion type low - nitrogen burner according to claim 1, Characterized in that: There are 8 blades (202), and the blades (202) are installed at an inclined angle relative to each other.

4. A self - suction cooling combustion type low - nitrogen burner according to claim 1, Characterized in that: There are 8 cavity tubes (304) provided, and the cavity tubes (304) are arranged in an annular array with respect to the cavity disk (303).

Citation Information

Patent Citations

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    CN107477580A

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