Rotational flow flame holder and multistage air distribution device of linear flame treatment combustor

Abstract

The invention relates to the technical field of rotational flow flame holders, and discloses a rotational flow flame holder and multistage air distribution device of a linear flame treatment combustor, the rotational flow flame holder and multistage air distribution device comprises a barrel, a flame stabilizing mechanism is arranged in the barrel, the flame stabilizing mechanism comprises a guide barrel, the guide barrel is located in the barrel, and the guide barrel is located in the barrel. The surface of the guide cylinder is fixedly connected with three first mounting plates distributed circumferentially, and the ends, away from the guide cylinder, of the first mounting plates are fixedly connected with the inner wall of the cylinder body. According to the invention, the inclined guide plate of the guide cylinder enables airflow to form primary rotational flow, the gas-liquid contact area is enlarged, the central pressure is reduced, a foundation is laid for flame root stabilization, the inclined guide plate of the flame stabilizing cylinder further strengthens the rotational flow, a high-strength rotational flow field is formed, and a backflow area formed by the rotational flow field entrains high-temperature combustion products and continuously heats unburned mixed airflow; the flame is kept in a stable combustion state in dynamic airflow, and the mixing efficiency of fuel and air is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cyclone flame stabilizer, in particular to a cyclone flame stabilizer and multi-stage air distribution device of linear flame treatment burner. BACKGROUND

[0002] The cyclone flame stabilizer is a key component in combustion equipment, used to stabilize the flame and improve combustion efficiency. Its core structure is a ring-shaped device with blades installed at the outlet of the burner. The blades guide the airflow to rotate, forming a cyclone field. The rotating airflow can suck the surrounding high-temperature flue gas back to the flame root, providing continuous ignition energy for the fuel, preventing the flame from extinguishing, enhancing the mixing of fuel and air, promoting complete combustion, and reducing pollutant emissions. It is an important component in industrial combustion systems to ensure stable operation.

[0003] Currently, most cyclone flame stabilizers have the problem of uneven mixing of fuel and air, leading to low combustion efficiency and easy occurrence of local overburning or unburning. Single-stage cyclone design is difficult to form a stable flame, and the flame is easy to extinguish or disperse at high flow rate, affecting the processing precision. Therefore, we propose a cyclone flame stabilizer and multi-stage air distribution device for linear flame treatment burner. SUMMARY

[0004] (I) Technical problems solved

[0005] To solve the problems of uneven mixing of fuel and air in most existing cyclone flame stabilizers, leading to low combustion efficiency and easy occurrence of local overburning or unburning, and single-stage cyclone design difficult to form a stable flame, the present application provides a cyclone flame stabilizer and multi-stage air distribution device for linear flame treatment burner.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the technical scheme is as follows: the cyclone flame stabilizer and the multi-stage air distribution device of the linear flame treatment burner, comprising a cylinder, a flame stabilizing mechanism is arranged in the cylinder, the flame stabilizing mechanism comprises a guide cylinder, the guide cylinder is located in the cylinder, the surface of the guide cylinder is fixedly connected with three circumferentially distributed first mounting plates, the end of the first mounting plate away from the guide cylinder is fixedly connected with the inner wall of the cylinder, the inner wall of the guide cylinder is fixedly connected with five circumferentially distributed guide plates, a flame stabilizing cylinder is arranged in the cylinder, the surface of the flame stabilizing cylinder is fixedly connected with three circumferentially distributed second mounting plates, the end of the second mounting plate away from the flame stabilizing cylinder is fixedly connected with the inner wall of the cylinder, the inner wall of the flame stabilizing cylinder is fixedly connected with three circumferentially distributed guide plates, the inclined guide plates of the guide cylinder make the gas flow form a primary cyclone, expand the gas-liquid contact area and reduce the central pressure, lay a foundation for the stability of the flame root, the inclined guide plates of the flame stabilizing cylinder further strengthen the cyclone, form a high-intensity cyclone field, the backflow area formed by the cyclone field absorbs high-temperature combustion products, continuously heats the unburned mixed gas flow, and ensures that the flame remains in a stable combustion state in the dynamic gas flow, and improves the mixing efficiency of fuel and air.

[0008] Preferably, the guide plates and the guide plates are inclined, after the mixed gas flow enters the cylinder, firstly flows through the guide cylinder, the inclined guide plates of the inner wall force the gas flow to flow along the circumferential tangent direction, form a primary cyclone, the centrifugal force generated by the cyclone makes the gas flow diffuse to the edge of the guide cylinder, expands the contact area with the subsequent air, at the same time, reduces the central area pressure, facilitates the stability of the flame root, after the primary cyclone gas flow enters the flame stabilizing cylinder, the inclined guide plates of the inner wall further strengthen the cyclone effect, form a high-intensity cyclone field, the cyclone gas flow converges to the central gathering cylinder, the inner diameter of the one end of the central gathering cylinder close to the guide cylinder gradually increases, the cross section changes accelerate the gas flow, at the same time, make the flame root contract and focus, avoid the flame dispersion.

[0009] Preferably, the inner part of the flame stabilizing cylinder is provided with a gathering cylinder, one end of the guide plate is fixedly connected with the surface of the gathering cylinder, the gathering cylinder accelerates the gas flow and focuses the flame root through the gradually changing inner diameter design, avoids the flame dispersion, makes the combustion reaction more concentrated and sufficient, solves the energy waste problem caused by the flame dispersion of the traditional burner.

[0010] Preferably, the inner diameter of the one end of the gathering cylinder close to the guide cylinder gradually increases, the multi-stage cyclone of the flame stabilizing mechanism is designed through the gas flow disturbance and the backflow area, solves the problem that the flame is easy to be extinguished under high flow rate.

[0011] Preferably, the surface of the cylinder is fixedly connected with a mounting seat, the inner part of the mounting seat is fixedly connected with an igniter, the output end of the igniter extends to the inner part of the cylinder, the igniter output end ignites the mixed gas flow in the inner part of the cylinder, the backflow area formed by the cyclone field absorbs part of the high-temperature combustion products, continuously heats the unburned mixed gas flow, ensures that the flame is not extinguished under high flow rate.

[0012] Preferably, the inside of the barrel is provided with a feeding mechanism, the feeding mechanism comprises a positioning disc, the positioning disc is fixedly connected with the inner wall of the barrel, the lower surface of the positioning disc is fixedly connected with a guide pipe, the guide pipe is communicated with the upper end of the positioning disc, a sleeve is rotatably connected on the guide pipe, a gas supply pipe is rotatably connected on the inner wall of the sleeve, two arc-shaped feeding holes are arranged on the upper surface of the positioning disc, the intermittent quantitative release of fuel is realized by the periodic alignment of the guide hole and the feeding hole, which not only prevents insufficient combustion caused by excessive fuel, but also avoids the risk of backfire by stable fuel supply rhythm, significantly improves the safety of equipment operation, the fuel supply pipe supplies fuel to the sleeve through the positioning sleeve, the sleeve guides the fuel into the carrier ring through the hollow support arm, at the same time, the gas supply pipe supplies combustion air into the guide pipe, forming a double-channel fuel-air supply, the spiral blade is pushed by the air to rotate, the spiral blade drives the sleeve to rotate through the control rod, and the carrier ring rotates synchronously in the sleeve through the support arm, the guide hole on the carrier ring rotates periodically and aligns with the arc-shaped feeding hole of the positioning disc, realizing the intermittent quantitative release of fuel, avoiding insufficient combustion caused by excessive fuel, and avoiding backfire, ensuring the safety of the equipment.

[0013] Preferably, the lower surface of the positioning disc is fixedly connected with a sliding sleeve, the inside of the sliding sleeve is slidably connected with a carrier ring, the upper surface of the carrier ring is provided with three circumferentially distributed guide holes, the feeding hole is located on the movement track of the guide hole, the lower surface of the carrier ring is fixedly connected with a support arm, the end of the support arm away from the carrier ring is fixedly connected with the sleeve, the carrier ring, the support arm and the sleeve are hollow, the sleeve is communicated with the carrier ring through the support arm, and the spiral mixing of the feeding mechanism ensures the accurate proportion of fuel and air, providing uniform mixed gas flow for the flame stabilizing mechanism.

[0014] Preferably, a positioning sleeve is sleeved on the sleeve, the sleeve rotates on the inner wall of the positioning sleeve, the surface of the sleeve is fixedly connected with a fuel supply pipe, the fuel supply pipe is communicated with the sleeve through the positioning sleeve, and the fuel supply pipe is convenient for supplying fuel gas.

[0015] Preferably, the inner wall of the guide pipe is fixedly connected with a first positioning plate, the inner wall of the gas supply pipe is fixedly connected with a second positioning plate, the inner walls of the first positioning plate and the second positioning plate are rotatably connected with a spiral blade, the spiral blade is matched with the inside of the guide pipe, the surface of the spiral blade is fixedly connected with a control rod, and the end of the control rod away from the spiral blade is fixedly connected with the inner wall of the sleeve. The spiral blade is pushed by the air to drive the sleeve and the carrier ring to rotate synchronously without additional power source, which realizes quantitative release and mixing of fuel, simplifies the structure of the equipment and reduces energy consumption.

[0016] Preferably, the barrel is "L" shaped, and the corner is arc-shaped.

[0017] In summary, the technical effects and advantages of the present application are:

[0018] 1、In the present application, the inclined guide plate of the guide cylinder forms a primary vortex of the airflow, expands the gas-liquid contact area and reduces the central pressure, laying the foundation for the stability of the flame root, and the inclined guide plate of the flame stabilizing cylinder further strengthens the vortex, forming a high-strength vortex field, the backflow area formed by the vortex field absorbs high-temperature combustion products, continuously heating the unburned mixed gas flow, ensuring that the flame remains in a stable combustion state in the dynamic airflow, and improving the mixing efficiency of fuel and air.

[0019] 2、In the present application, the carrier ring realizes intermittent quantitative release of fuel through periodic alignment of the material guide hole and the feeding hole, which prevents insufficient combustion caused by excessive fuel and avoids the risk of backfire through stable fuel supply rhythm, significantly improving the safety of equipment operation.

[0020] 3、In the present application, the gathering cylinder accelerates the airflow and focuses the flame root through the design of gradually changing inner diameter, avoiding flame dispersion, making the combustion reaction more concentrated and sufficient, and solving the problem of energy waste caused by dispersed flame of traditional burners.

[0021] 4、In the present application, the spiral blade synchronously operates with the linkage sleeve and the carrier ring under the push of air, realizing quantitative release and mixing of fuel without additional power source, simplifying the structure of the equipment while reducing energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application;

[0023] Figure 2 It is a bottom view structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application;

[0024] Figure 3 It is a sectional view structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application;

[0025] Figure 4 It is a bottom view structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application; Figure 3

[0026] Figure 5 It is a sectional view structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application;

[0027] Figure 6 It is a sectional view structure schematic diagram of the vortex flame stabilizer and multi-stage air distribution device of the linear flame treatment burner of the present application; Figure 5

[0028] ​​Figure 7 The figure is an explosion structure diagram of the swirl flame stabilizer and the multi-stage air distribution device of the linear flame treatment burner of the present application.

[0029] In the figure: 1, cylinder; 2, mounting seat; 3, igniter; 4, flame stabilizing mechanism; 41, guide cylinder; 42, first mounting plate; 43, flow guide plate; 44, flame stabilizing cylinder; 45, second mounting plate; 46, guide plate; 47, gathering cylinder; 5, feeding mechanism; 51, gas supply pipe; 52, feeding pipe; 53, positioning disc; 54, feeding hole; 55, sliding sleeve; 56, guide pipe; 57, first positioning plate; 58, second positioning plate; 59, spiral blade; 510, material guide hole; 511, carrier ring; 512, support arm; 513, sleeve; 514, positioning sleeve; 515, control rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely 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 protection of the present application.

[0031] Reference Figures 1-7 The linear flame treatment burner of the swirl flame stabilizer and the multi-stage air distribution device shown in the figure includes a cylinder 1, the inside of the cylinder 1 is provided with a flame stabilizing mechanism 4, the flame stabilizing mechanism 4 includes a guide cylinder 41, the guide cylinder 41 is located in the cylinder 1, the surface of the guide cylinder 41 is fixedly connected with three circumferentially distributed first mounting plates 42, the end of the first mounting plate 42 away from the guide cylinder 41 is fixedly connected with the inner wall of the cylinder 1, the inner wall of the guide cylinder 41 is fixedly connected with five circumferentially distributed flow guide plates 43, the inside of the cylinder 1 is placed with a flame stabilizing cylinder 44, the surface of the flame stabilizing cylinder 44 is fixedly connected with three circumferentially distributed second mounting plates 45, the end of the second mounting plate 45 away from the flame stabilizing cylinder 44 is fixedly connected with the inner wall of the cylinder 1, the inner wall of the flame stabilizing cylinder 44 is fixedly connected with three circumferentially distributed guide plates 46, the inclined flow guide plates 43 of the guide cylinder 41 make the airflow form a primary swirl, expand the gas-liquid contact area and reduce the central pressure, lay a foundation for the stability of the flame root, the inclined guide plates 46 of the flame stabilizing cylinder 44 further strengthen the swirl, form a high-strength swirl field, the backflow area formed by the swirl field absorbs high-temperature combustion products, continuously heats the unburned mixed gas flow, ensures that the flame remains in a stable combustion state in the dynamic airflow, and improves the mixing efficiency of fuel and air.

[0032] Wherein, the guide plate 43 and the guide plate 46 are inclined, after the mixed gas flow enters the cylinder 1, first flow through the guide cylinder 41, the inclined guide plate 43 of its inner wall forces the gas flow to flow along the circumferential tangent direction, forms the primary cyclone, the centrifugal force generated by the cyclone makes the gas flow diffuse to the edge of the guide cylinder 41, expands the contact area with the subsequent air, at the same time reduces the central area pressure, facilitates the flame root stability, the primary cyclone gas flow enters the flame stabilizing cylinder 44, the inclined guide plate 46 of the inner wall further strengthens the cyclone effect, forms the high intensity cyclone field, the cyclone gas flow converges to the central gathering cylinder 47, the inner diameter of the central gathering cylinder 47 gradually increases near the one end of the guide cylinder 41, accelerates the gas flow through the cross section change, at the same time makes the flame root shrink focus, avoids the flame dispersion.

[0033] Wherein, the flame stabilizing cylinder 44 is placed with the gathering cylinder 47, one end of the guide plate 46 is fixedly connected with the surface of the gathering cylinder 47, the gathering cylinder 47 accelerates the gas flow and focuses the flame root through the inner diameter gradual change design, avoids the flame dispersion, makes the combustion reaction more concentrated and more sufficient, solves the energy waste problem caused by the flame dispersion of the traditional burner.

[0034] Wherein, the inner diameter of the central gathering cylinder 47 gradually increases near the one end of the guide cylinder 41, the multi-stage cyclone of the flame stabilizing mechanism 4 solves the problem that the flame is easy to extinguish under high flow rate through the gas flow disturbance and backflow area design, the surface of the cylinder 1 is fixedly connected with the mounting seat 2, the inside of the mounting seat 2 is fixedly connected with the igniter 3, the output end of the igniter 3 extends to the inside of the cylinder 1, the output end of the igniter 3 ignites the mixed gas flow in the inside of the cylinder 1, the backflow area formed by the cyclone field will suck part of the high temperature combustion products, continuously heats the unburned mixed gas flow, ensures that the flame does not extinguish under high flow rate.

[0035] The inner part of the barrel 1 is provided with a feeding mechanism 5, the feeding mechanism 5 comprises a positioning disc 53, the positioning disc 53 is fixedly connected with the inner wall of the barrel 1, the lower surface of the positioning disc 53 is fixedly connected with a guide pipe 56, the guide pipe 56 is communicated with the upper end of the positioning disc 53, the sleeve 513 is rotatably connected on the guide pipe 56, the inner wall of the sleeve 513 is rotatably connected with a gas supply pipe 51, the upper surface of the positioning disc 53 is provided with two symmetrical arc-shaped feeding holes 54, the intermittent quantitative release of fuel is realized by the periodic alignment of the guide hole 510 and the feeding hole 54, which not only prevents insufficient combustion caused by excessive fuel, but also avoids the risk of backfire by stable fuel supply rhythm, significantly improves the safety of equipment operation, the fuel supply pipe 52 supplies fuel to the sleeve 513 through the positioning sleeve 514, the sleeve 513 guides the fuel into the carrier ring 511 through the hollow arm 512, at the same time, the gas supply pipe 51 supplies combustion air into the guide pipe 56, forming a fuel-air dual supply, the spiral blade 59 is pushed by air and rotates, the spiral blade 59 drives the sleeve 513 to rotate through the control rod 515, and drives the carrier ring 511 to rotate synchronously in the sliding sleeve 55 through the arm 512, the guide hole 510 on the carrier ring 511 rotates, and is periodically aligned with the arc-shaped feeding hole 54 of the positioning disc 53, realizing the intermittent quantitative release of fuel, avoiding insufficient combustion caused by excessive fuel, and avoiding backfire, ensuring the safety of the equipment.

[0036] The lower surface of the positioning disc 53 is fixedly connected with a sliding sleeve 55, the inner part of the sliding sleeve 55 is slidably connected with a carrier ring 511, the upper surface of the carrier ring 511 is provided with three circumferentially distributed guide holes 510, the feeding hole 54 is located on the movement track of the guide hole 510, the lower surface of the carrier ring 511 is fixedly connected with an arm 512, the end of the arm 512 away from the carrier ring 511 is fixedly connected with the sleeve 513, the carrier ring 511, the arm 512 and the sleeve 513 are hollow, the sleeve 513 is communicated with the carrier ring 511 through the arm 512, the spiral mixing of the feeding mechanism 5 ensures the accurate proportion of fuel and air, providing uniform mixed gas flow for the flame stabilizing mechanism 4, the sleeve 513 is sleeved with a positioning sleeve 514, the sleeve 513 rotates on the inner wall of the positioning sleeve 514, the surface of the sleeve 513 is fixedly connected with a fuel supply pipe 52, the fuel supply pipe 52 is communicated with the sleeve 513 through the positioning sleeve 514, and the fuel supply pipe 52 is convenient for supplying fuel gas.

[0037] The inner wall of the conduit 56 is fixedly connected with a first positioning plate 57, the inner wall of the air pipe 51 is fixedly connected with a second positioning plate 58, the inner walls of the first positioning plate 57 and the second positioning plate 58 are rotationally connected with a spiral blade 59, the spiral blade 59 is matched with the inside of the conduit 56, the surface of the spiral blade 59 is fixedly connected with a control rod 515, one end of the control rod 515, away from the spiral blade 59, is fixedly connected with the inner wall of the sleeve 513, the spiral blade 59 is driven by air to drive the sleeve 513 and the carrier ring 511 to rotate synchronously, so that the fuel can be released and mixed quantitatively without an additional power source, and the structure of the equipment is simplified while the energy consumption is reduced.

[0038] The barrel 1 is in the shape of 'L', and the corner is in the shape of arc.

[0039] The working principle of the present application is as follows: the fuel is transported from the feeding pipe 52 to the sleeve 513 through the positioning sleeve 514, the sleeve 513 guides the fuel into the carrier ring 511 through the hollow supporting arm 512, at the same time, the air pipe 51 transports the combustion air into the conduit 56, forming double-way air-fuel supply, the spiral blade 59 is driven by air to rotate, the spiral blade 59 drives the sleeve 513 to rotate through the control rod 515, and drives the carrier ring 511 to rotate synchronously in the sliding sleeve 55 through the supporting arm 512, the guide hole 510 on the carrier ring 511 rotates with it, periodically aligns with the arc-shaped feeding hole 54 of the positioning disc 53, realizes the intermittent quantitative release of the fuel, avoids the incomplete combustion caused by the excessive fuel, at the same time, avoids the backfire, ensures the safety of the equipment,

[0040] After the mixed gas flow enters the barrel 1, it first flows through the guide cylinder 41, the inclined guide plate 43 on the inner wall of the guide cylinder 41 forces the gas flow to flow along the circumferential tangent direction, forming a primary rotational flow, the centrifugal force generated by the rotational flow makes the gas flow diffuse to the edge of the guide cylinder 41, expands the contact area with the subsequent air, at the same time, reduces the pressure in the central area, facilitates the stability of the flame root, after the primary rotational flow gas flow enters the flame stabilizing cylinder 44, the inclined guide plate 46 on the inner wall further strengthens the rotational flow effect, forming a high-intensity rotational flow field, the rotational flow gas flow converges to the central gathering cylinder 47, the inner diameter of one end of the central gathering cylinder 47 close to the guide cylinder 41 gradually increases, accelerates the gas flow through the cross-section change, at the same time, makes the flame root contract and focus, avoids the flame dispersion,

[0041] The ignition device 3 ignites the mixed gas flow in the barrel 1, the backflow area formed by the rotational flow field can absorb part of the high-temperature combustion products, continuously heats the unburned mixed gas flow, ensures that the flame does not extinguish at high flow rate,

[0042] The spiral mixing of the feeding mechanism 5 ensures the accurate proportion of the fuel and the air, provides the uniform mixed gas flow for the flame stabilizing mechanism 4, and the multi-stage rotational flow of the flame stabilizing mechanism 4 solves the problem that the flame is easy to extinguish at high flow rate through the gas flow disturbance and backflow area design.

[0043] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A swirl flame stabilizer and a multi-stage air distribution device for a linear flame treatment burner, comprising a cylinder (1), characterized in that: A flame stabilizing mechanism (4) is provided inside the cylinder (1), and the flame stabilizing mechanism (4) includes a guide cylinder (41), the guide cylinder (41) is located in the cylinder (1), and the surface of the guide cylinder (41) is fixedly connected with three circumferentially distributed first mounting plates (42), and the end of the first mounting plate (42) away from the guide cylinder (41) is fixedly connected to the inner wall of the cylinder (1), and the inner wall of the guide cylinder (41) is fixedly connected with five circumferentially distributed guide plates (43), and a flame stabilizing cylinder (44) is placed inside the cylinder (1), and the surface of the flame stabilizing cylinder (44) is fixedly connected with three circumferentially distributed second mounting plates (45), and the end of the second mounting plate (45) away from the flame stabilizing cylinder (44) is fixedly connected to the inner wall of the cylinder (1), and the inner wall of the flame stabilizing cylinder (44) is fixedly connected with three circumferentially distributed guide plates (46).

2. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 1, characterized in that: The deflector plate (43) and the guide plate (46) are both inclined.

3. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 1, characterized in that: A gathering tube (47) is placed inside the flame stabilizing tube (44), and one end of the guide plate (46) is fixedly connected to the surface of the gathering tube (47).

4. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 3, characterized in that: The inner diameter of one end of the gathering cylinder (47) close to the guiding cylinder (41) gradually increases.

5. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 1, characterized in that: A mounting seat (2) is fixedly connected to the surface of the cylinder (1), an igniter (3) is fixedly connected to the interior of the mounting seat (2), and an output end of the igniter (3) extends into the interior of the cylinder (1).

6. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 1, characterized in that: A feeding mechanism (5) is provided inside the cylinder (1), and the feeding mechanism (5) includes a positioning plate (53), the positioning plate (53) is fixedly connected to the inner wall of the cylinder (1), the lower surface of the positioning plate (53) is fixedly connected to a conduit (56), the conduit (56) is communicated with the upper end of the positioning plate (53), a sleeve (513) is rotatably connected to the conduit (56), the inner wall of the sleeve (513) is rotatably connected to the air supply pipe (51), and the upper surface of the positioning plate (53) is provided with two symmetrically arranged arc-shaped feeding holes (54).

7. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 6, characterized in that: The lower surface of the positioning plate (53) is fixedly connected to a sliding sleeve (55), and the interior of the sliding sleeve (55) is slidably connected to a carrier ring (511). The upper surface of the carrier ring (511) is provided with three circumferentially distributed material guide holes (510), and the loading hole (54) is located on the movement trajectory of the material guide holes (510). The lower surface of the carrier ring (511) is fixedly connected to a support arm (512), and one end of the support arm (512) away from the carrier ring (511) is fixedly connected to the sleeve (513). The carrier ring (511), the support arm (512) and the sleeve (513) are all hollow, and the sleeve (513) is connected to the carrier ring (511) through the support arm (512).

8. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 6, characterized in that: A positioning sleeve (514) is sleeved on the sleeve (513), and the sleeve (513) is located on the inner wall of the positioning sleeve (514) and rotates. A feed pipe (52) is fixedly connected to the surface of the sleeve (513), and the feed pipe (52) is connected to the sleeve (513) through the positioning sleeve (514).

9. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 6, characterized in that: The inner wall of the conduit (56) is fixedly connected to a first positioning plate (57), and the inner wall of the air supply pipe (51) is fixedly connected to a second positioning plate (58). The inner walls of the first positioning plate (57) and the second positioning plate (58) are rotatably connected to spiral leaves (59), and the spiral leaves (59) are adapted to the interior of the conduit (56). The surface of the spiral leaves (59) is fixedly connected to a control rod (515), and the end of the control rod (515) away from the spiral leaves (59) is fixedly connected to the inner wall of the sleeve (513).

10. The swirl flame stabilizer and multi-stage air distribution device of the linear flame treatment burner according to claim 1, characterized in that: The cylinder (1) is in an "L" shape, and the corners are in an arc shape.

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