Dispersive combustion low-nitrogen device of combustor

Abstract

The utility model discloses a dispersed combustion low-nitrogen device of a combustor, and relates to the technical field of combustors. Comprising a combustor body, a connecting square pipe body is arranged on one side of the combustor body, a combustion head pipe body is arranged on the outer side of the connecting square pipe body, a head sleeving pipe is arranged at the end of the combustion head pipe body in a sleeving mode, a separation combustion hole disc is arranged in the head sleeving pipe, a rotating assembly is arranged in the combustion head pipe body, and a mounting block is arranged in the connecting square pipe body. Through the arrangement of the sleeve head pipe, the mounting block, the fuel injection pipe block and the rotating assembly, the rotating air pipe enables blown-in air to be more evenly distributed in the combustion head pipe body, the fuel injection pipe block sprays out fuel, the fuel is combusted into a plurality of small flames, the small flames are finally sprayed out from the separation combustion hole disc, and the combustion efficiency is improved. The combustor forms a plurality of flames at the outlet in the furnace, the flames are fully combusted, formation of nitric oxide and carbon monoxide is reduced, part of the structure is more convenient to install, and installation and maintenance operation is facilitated.

Description

Technical Field

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

[0002] The boiler burner is a key component in the boiler system. It is mainly used to mix fuel (such as natural gas, heavy oil, coal, etc.) with air and ignite it to generate high-temperature hot gas, which in turn heats the water or other media in the boiler to achieve the purpose of heating, steam generation or heat supply. The burner device is used in the heating process of the boiler.

[0003] There is currently a new type of low-nitrogen burner (authorization announcement number: CN221724321U) with the following defects: the heat energy generated by the above-mentioned burner enters the interior of the polymer tube through the tube mouth, and the energy-gathering ring made of ceramic materials of silicon nitride and silicon carbide makes the heat energy more concentrated, and the protective strip fixedly connected to the surface of the polymer tube is offset toward the center of the polymer tube, which will prevent the heat energy from being dispersed when discharged, making the new type of low-nitrogen burner have better heating effect and reduce energy consumption. However, the above-mentioned burner usually adopts the single flame combustion method of the existing technology and cannot be divided into multiple flames, resulting in difficulty in complete combustion, which increases the formation of nitrogen oxides and carbon monoxide. For this reason, the present utility model is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a dispersed combustion low nitrogen device for a burner to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dispersed combustion low-nitrogen device for a burner, comprising a burner body, a connecting square tube body provided on one side of the burner body, a combustion head tube body provided on the outside of the connecting square tube body, a sleeve tube provided on the end of the combustion head tube body, a separated combustion hole disk provided in the sleeve tube, a rotating assembly provided inside the combustion head tube body, a mounting block provided in the connecting square tube body, a mounting hole provided in the mounting block, a fuel injection tube block fixed in the mounting hole, the fuel injection tube block being adapted to the separated combustion hole disk, the rotating assembly comprising a fixed ring block fixed on the inner wall of the combustion head tube body, a rotating air duct provided with a rotating insertion on one side of the fixed ring block, and a plurality of air outlet holes evenly provided on the rotating air duct.

[0006] Preferably, the inner wall of the sleeve tube is symmetrically fixed with protrusions, the outer wall of the combustion head tube is symmetrically provided with sliding grooves, one end of the sliding groove is connected to an arc mounting groove, and the protrusions are adapted to the sliding groove and the arc mounting groove.

[0007] Preferably, the rotating air pipe is uniformly fixed with a plurality of rotating pieces on the circumference of the outer wall, one end of the rotating air pipe is fixed with a spigot, a sleeve ring is sleeved and fixed on the rotating air pipe, the sleeve ring is matched with the inner wall of the combustion head pipe body, and the combustion head pipe body is communicated with a wind driving pipe blowing towards the rotating pieces on one side of the bottom.

[0008] Preferably, the inner wall of the connecting square pipe body is fixed with a fixed hole plate, rotating rods are rotatably inserted into the four corners of the installation surface of the fixed hole plate, and the end of the rotating rod is fixed with a locking block.

[0009] Preferably, the installation block is provided with locking holes in the four corners, and the locking holes are slidably matched with the rotating rods and the locking blocks.

[0010] Preferably, the spigot is inserted into the installation block, the installation block is provided with a ring groove matched with the spigot, and the connecting square pipe body is bolted with the burner body and the combustion head pipe body.

[0011] Compared with the prior art, the burner has the advantages that:

[0012] The dispersed combustion low-nitrogen device of the burner is provided with a sleeve head pipe, an installation block, a fuel injection pipe block and a rotating assembly, the rotating air pipe makes the blown wind body more uniformly distributed in the combustion head pipe body, the fuel injection pipe block sprays the fuel, the fuel is burned into a plurality of small flames and finally sprayed from the separated combustion hole disc, a plurality of flames are formed at the outlet of the burner in the furnace, the fuel is fully burned, the formation of nitrogen oxides and carbon monoxide is reduced, and the installation of part of the structure is more convenient, facilitating installation and maintenance work. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model without the burner body;

[0015] Figure 3 It is a sectional view of the utility model without the burner body;

[0016] Figure 4 It is a three-dimensional structure schematic view of the utility model without the burner body.

[0017] In the drawing: 1, burner body; 101, connecting square pipe body; 2, combustion head pipe body; 201, sliding groove; 202, arc installation groove; 3, sleeve head pipe; 301, separated combustion hole disc; 4, fixed hole plate; 401, rotating rod; 402, locking block; 5, rotating air pipe; 501, rotating piece; 502, fixed ring block; 503, sleeve ring; 504, spigot; 505, wind driving pipe; 6, installation block; 601, fuel injection pipe block; 602, locking hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] In the process of boiler combustion, a burner needs to be used. The burner device provided by the present application is specially used for dividing a large flame into multiple small flames, effectively reducing the generation of pollutants such as NO and CO, and the installation mode of the combustion head pipe body 2 is more convenient, ensuring installation and use. In the process of using the device, it needs to be inspected and prepared in advance, so as to ensure the normal work of the device.

[0020] As shown in Figures 1-4 The present application provides a technical solution: a low-nitrogen device for dispersed combustion of a burner, comprising a burner body 1, a connecting square pipe body 101 arranged on one side of the burner body 1, a combustion head pipe body 2 arranged on the outer side of the connecting square pipe body 101, a sleeve head pipe 3 sleeved on the end of the combustion head pipe body 2, a separation combustion hole disc 301 arranged in the sleeve head pipe 3, a rotating assembly arranged in the combustion head pipe body 2, an installation block 6 arranged in the connecting square pipe body 101, an installation hole formed in the installation block 6, a fuel injection pipe block 601 fixed in the installation hole, the fuel injection pipe block 601 being adapted to the separation combustion hole disc 301, the rotating assembly comprising a fixed ring block 502 fixed on the inner wall of the combustion head pipe body 2, a rotating air pipe 5 rotatably inserted on one side of the fixed ring block 502, a plurality of air outlet holes uniformly formed on the rotating air pipe 5, wherein the burner body 1 is a prior art, ensuring the normal function of the device, and the specific working principle is not described in this document.

[0021] In the embodiments, a protrusion is fixed on the inner wall of the sleeve head pipe 3 in circumferential symmetry, a sliding groove 201 is formed on the outer wall of the combustion head pipe body 2 in circumferential symmetry, an arc installation groove 202 is formed on one side of the end of the sliding groove 201, the protrusion is adapted to the sliding groove 201 and the arc installation groove 202, a plurality of rotating pieces 501 are fixed on the outer wall of the rotating air pipe 5 in circumferential symmetry, a spigot 504 is fixed on one end of the rotating air pipe 5, a sleeve ring 503 is fixed on the rotating air pipe 5, the sleeve ring 503 is adapted to the inner wall of the combustion head pipe body 2, and a driving air pipe 505 blowing towards the rotating pieces 501 is communicated on one side of the bottom of the combustion head pipe body 2, wherein the protrusion is in interference fit with the arc installation groove 202, so that the installation is more stable.

[0022] In the embodiment, the fixed hole plate 4 is fixed on the inner wall of the connecting square pipe body 101, the rotating rod 401 is rotatably inserted into the four corners of the installation surface of the fixed hole plate 4, the locking block 402 is fixed on the end of the rotating rod 401, the locking hole 602 is formed in the four corners of the installation block 6, and the locking hole 602 is slidably matched with the rotating rod 401 and the locking block 402, wherein the wind body blown by the wind pipe 505 is blown to the rotating piece 501, so that the rotating wind pipe 5, the sleeve ring 503 and the insertion pipe 504 are driven to rotate as a whole in the combustion head pipe body 2, and the uniformity of the wind body is ensured to a certain extent.

[0023] In the embodiment, the insertion pipe 504 is inserted into the installation block 6, the ring groove matched with the insertion pipe 504 is formed in the installation block 6, the connecting square pipe body 101 is bolted with the burner body 1 and the combustion head pipe body 2, the wind body blown into the combustion head pipe body 2 is more uniformly distributed by the rotating wind pipe 5, the fuel is sprayed by the fuel injection pipe block 601, the combustion is formed into a plurality of small flames, and finally sprayed from the separation combustion hole disc 301, the burner forms a plurality of flames at the outlet of the furnace, so that the combustion is sufficient, the formation of nitrogen oxides and carbon monoxide is reduced, and the installation of part of the structure is more convenient, and the installation and maintenance work are facilitated, wherein the fuel injection pipe block 601, the separation combustion hole disc 301, the combustion head pipe body 2, the connecting square pipe body 101 and the wind pipe 505 are prior art.

[0024] Working principle: when the device is used, the connecting square pipe body 101, the installation block 6, the rotating wind pipe 5 and the sleeve pipe 3 are installed, so that the subsequent combustion is ensured, the installation block 6 passes through the locking hole 602 through the rotating rod 401 and the locking block 402, a plurality of locking blocks 402 are rotated, the installation block 6 and the fixed hole plate 4 are locked, then the rotating wind pipe 5 and the insertion pipe 504 are inserted into the fixed ring block 502 and the installation block 6 respectively, the combustion head pipe body 2 is bolted with the connecting square pipe body 101, finally the sleeve pipe 3 is sleeved on the end of the combustion head pipe body 2 and is rotatably locked, the connection of the wind pipe 505 is ensured, and the device can be used.

[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.

Claims

1. A dispersed combustion low nitrogen device for a burner, comprising a burner body (1), characterized in that: A connecting square tube body (101) is provided on one side of the burner body (1), a combustion head tube body (2) is provided on the outside of the connecting square tube body (101), a sleeve tube (3) is provided on the end of the combustion head tube body (2), a separation combustion hole disk (301) is provided in the sleeve tube (3), a rotating assembly is provided inside the combustion head tube body (2), a mounting block (6) is provided in the connecting square tube body (101), a mounting hole is provided in the mounting block (6), a fuel injection tube block (601) is fixed in the mounting hole, and the fuel injection tube block (601) is adapted to the separation combustion hole disk (301), and the rotating assembly includes a fixed ring block (502) fixed to the inner wall of the combustion head tube body (2), a rotating air duct (5) is rotatably inserted into one side of the fixed ring block (502), and a plurality of air outlet holes are evenly provided on the rotating air duct (5).

2. The dispersed combustion low nitrogen device of a burner according to claim 1, characterized in that: The inner wall of the sleeve tube (3) is symmetrically fixed with protrusions, and the outer wall of the burner head tube body (2) is symmetrically provided with sliding grooves (201). An arc mounting groove (202) is provided at one end of the sliding groove (201). The protrusions are adapted to fit the sliding groove (201) and the arc mounting groove (202).

3. The dispersed combustion low nitrogen device of a burner according to claim 1, characterized in that: A plurality of rotating plates (501) are evenly fixed on the circumference of the outer wall of the rotating air duct (5), a plug tube (504) is fixed on one end of the rotating air duct (5), a sleeve (503) is fixed on the rotating air duct (5), and the sleeve (503) is adapted to the inner wall of the burner head tube body (2), and a wind driving pipe (505) blowing toward the rotating plates (501) is connected to one side of the bottom of the burner head tube body (2).

4. The dispersed combustion low nitrogen device of a burner according to claim 3, characterized in that: A fixed orifice plate (4) is fixed to the inner wall of the connecting square tube body (101), and rotating rods (401) are rotatably inserted at the four corners of the mounting surface of the fixed orifice plate (4), and locking blocks (402) are fixed to the ends of the rotating rods (401).

5. The dispersed combustion low nitrogen device of a burner according to claim 1, characterized in that: The four corners of the mounting block (6) are provided with locking holes (602), and the locking holes (602) are slidably adapted to the rotating rod (401) and the locking block (402).

6. The dispersed combustion low nitrogen device of a burner according to claim 3, characterized in that: The insert tube (504) is inserted into the mounting block (6), and a ring groove adapted to the insert tube (504) is provided on the mounting block (6). The connecting square tube body (101) is connected to the burner body (1) and the combustion head tube body (2) by bolts.

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