Burner capable of being adjusted and expanded for staged combustion

By designing an adjustable-capacity burner, and using a motor-driven rotating shaft and transmission mechanism to adjust the angle of the combustion port and the opening of the vent, the problem of insufficient material production or over-burning caused by a fixed combustion port is solved. This achieves flexible control of the flame size and improves applicability and practicality.

CN224003704UActive Publication Date: 2026-03-17DOMESTIC IND FUJIAN CEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

The existing burners have fixed combustion ports, which leads to insufficient combustion time or over-burning of materials. The flame size is not adjustable, resulting in limited applicability.

Method used

An adjustable-capacity burner for staged combustion was designed. The angle of the combustion port is adjusted by rotating the shaft driven by a motor, and the flame size is adjusted by controlling the opening of the vent through a transmission mechanism.

Benefits of technology

It enables flexible adjustment of the combustion port angle and flame size, improving the applicability and practicality of the burner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The combustor comprises a combustor body, L-shaped plates are installed on one side of the front end face and one side of the rear end face of the combustor body respectively, rotating shafts are arranged on the opposite sides of the outer surfaces of the two L-shaped plates, and combustion openings are fixedly formed in the opposite sides of the outer surfaces of the two rotating shafts. The burner body is provided with a burning port, the burning port is connected with the burner body through a telescopic hose, a motor is installed on the rear end face of one L-shaped plate, four fixing plates are evenly arranged on one side of the interior of the burning port, a plurality of air holes are evenly formed in the outer surfaces of the fixing plates, and transverse shafts are arranged on the opposite sides of the four fixing plates. The outer surface of the transverse shaft is sleeved with a lantern ring. The angle of the combustion port can be adjusted, and the applicability is improved; and the size of sprayed flames can be controlled, the flow control effect is achieved, and practicability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of burner technology, specifically to an adjustable-capacity burner for staged combustion. Background Technology

[0002] A burner is a general term for a device that sprays out fuel and air in a certain way to mix and burn. The fuel delivery chamber and the gas delivery chamber are cylindrical structures with open ends, used to stably deliver the gas flow and the air flow.

[0003] In actual operation, the widths of the preheating zone, firing zone, and cooling zone inside the combustion kiln vary due to the different amounts of material to be calcined. Therefore, the position of the burner needs to be adjusted according to the actual usage during combustion.

[0004] However, most existing burners have fixed and non-adjustable combustion ports, which leads to insufficient combustion time or over-burning of materials, reducing their quality. In addition, the cross-sectional size of the combustion cylinder in most burners is fixed, resulting in a fixed flame size after ignition by the ignition device. The flame size cannot be adjusted according to usage requirements, resulting in low applicability. Therefore, it does not meet the existing needs. To address this, we propose an adjustable expansion burner for staged combustion. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable-capacity burner for staged combustion, in order to solve the problems mentioned in the background art, such as the fixed and non-adjustable combustion port of most existing burners, which leads to insufficient combustion time or over-burning of materials, reducing material quality, and the fixed cross-sectional size of the combustion cylinder in most burners, which results in a fixed flame size after being ignited by the ignition device, and the flame size cannot be adjusted according to the usage requirements, resulting in low applicability.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable-capacity burner for staged combustion, comprising a burner body, with L-shaped plates installed on one side of both the front and rear faces of the burner body, a rotating shaft provided on the opposite side of the outer surfaces of the two L-shaped plates, and a combustion port fixedly installed on the opposite side of the outer surfaces of the two rotating shafts, the combustion port being connected to the burner body via a retractable flexible hose, a motor installed on the rear face of one of the L-shaped plates, four fixing plates evenly arranged on one side inside the combustion port, multiple vent holes evenly arranged on the outer surface of the fixing plates, a horizontal shaft provided on the opposite side of the four fixing plates, a collar sleeved on the outer surface of the horizontal shaft, four baffles evenly installed on the outer surface of the collar, a vertical shaft penetrating through a through hole on the upper end face of the combustion port, the horizontal shaft and the vertical shaft being connected by a transmission mechanism.

[0007] Preferably, the output end of the motor is fixedly connected to the rear end face of one of the rotating shafts via a coupling, and the front end face of the other rotating shaft is rotatably connected to the outer surface of the L-shaped plate via a bearing.

[0008] Preferably, the fixing plate is fixedly connected to the inner wall of the combustion port by an arc-shaped plate, the baffle is located on one side of the fixing plate, and the inner wall of the retractable hose is provided with a high-temperature resistant layer.

[0009] Preferably, the transmission mechanism includes a driving bevel gear and a driven bevel gear. The driving bevel gear is sleeved below the outer surface of the vertical shaft, and the driven bevel gear is sleeved on the outer surface of the horizontal shaft. The driving bevel gear meshes with the driven bevel gear.

[0010] Preferably, bearing plates are fitted on both sides of the horizontal shaft, and both ends of the horizontal shaft are rotatably connected to the outer surface of the bearing plates through bearings. The bearing plates are fixedly connected to the inner wall of the combustion port through support plates.

[0011] Preferably, a turntable is fitted onto the upper end face of the vertical shaft, an annular groove is provided on the inner wall of the through hole, and a limiting ring is fitted onto the outer surface of the vertical shaft, with the limiting ring engaging with the inner side of the annular groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model is equipped with a motor, a rotating shaft, and a retractable hose. By controlling the switch of the motor, the motor drives the rotating shaft to rotate, thereby rotating the combustion port and adjusting the angle of the combustion port. The retractable hose can extend or retract without affecting the rotation of the combustion port. This utility model can adjust the angle of the combustion port and improve its applicability.

[0014] 2. This utility model, by setting up a fixed plate, a baffle, vent holes, a transmission mechanism, a horizontal shaft, and a vertical shaft, can control the size of the emitted flame by rotating the vertical shaft. The rotation of the vertical shaft drives the active bevel gear to rotate, which in turn drives the driven bevel gear to rotate. The rotation of the driven bevel gear drives the horizontal shaft to rotate, which in turn drives the collar to rotate. The baffle rotates and blocks the vent holes on the outer surface of the fixed plate, thereby controlling the size of the emitted flame and achieving the effect of flow control, thus improving practicality. Attached Figure Description

[0015] Figure 1 This is a front view of the entire utility model;

[0016] Figure 2 This is a top view of the entire utility model;

[0017] Figure 3 This is a side sectional view of the combustion port of this utility model;

[0018] Figure 4 This is a front sectional view of the combustion port of this utility model.

[0019] In the diagram: 1. Burner body; 2. Combustion port; 3. Telescopic flexible hose; 4. Rotating shaft; 5. Motor; 6. L-shaped plate; 7. Transmission mechanism; 701. Support plate; 702. Bearing plate; 703. Driving bevel gear; 704. Driven bevel gear; 8. Fixing plate; 9. Baffle; 10. Vent hole; 11. Collar; 12. Horizontal shaft; 13. Vertical shaft. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figures 1 to 4 This utility model provides an embodiment of an adjustable-capacity burner for staged combustion, comprising a burner body 1. L-shaped plates 6 are installed on one side of both the front and rear ends of the burner body 1. A rotating shaft 4 is provided on the opposite side of the outer surfaces of the two L-shaped plates 6. A combustion port 2 is fixedly installed on the opposite side of the outer surfaces of the two rotating shafts 4, and the combustion port 2 is connected to the burner body 1 via a retractable flexible hose 3. A motor 5 is installed on the rear end of one of the L-shaped plates 6. Four fixing plates 8 are evenly arranged on one side inside the combustion port 2. Multiple vent holes 10 are evenly arranged on the outer surface of the fixing plates 8. A horizontal shaft 12 is provided on the opposite side of the four fixing plates 8. A collar 11 is sleeved on the outer surface of the horizontal shaft 12. Four baffles 9 are evenly installed on the outer surface of the collar 11. A vertical shaft 13 is provided through a through hole on the upper end face of the combustion port 2. The horizontal shaft 12 and the vertical shaft 13 are connected by a transmission mechanism 7.

[0022] The output end of the motor 5 is fixedly connected to the rear end face of one of the rotating shafts 4 through a coupling, and the front end face of the other rotating shaft 4 is rotatably connected to the outer surface of the L-shaped plate 6 through a bearing. When the motor 5 is working, it can drive the rotating shaft 4 to rotate, thereby driving the combustion port 2 to rotate.

[0023] The fixing plate 8 is fixedly connected to the inner wall of the combustion port 2 by an arc plate. The baffle 9 is located on one side of the fixing plate 8. The inner wall of the telescopic hose 3 is provided with a high temperature resistant layer to improve the stability of the fixing plate 8 and improve the high temperature resistance of the telescopic hose 3.

[0024] The transmission mechanism 7 includes a driving bevel gear 703 and a driven bevel gear 704. The driving bevel gear 703 is sleeved below the outer surface of the vertical shaft 13, and the driven bevel gear 704 is sleeved on the outer surface of the horizontal shaft 12. The driving bevel gear 703 and the driven bevel gear 704 mesh. When the driving bevel gear 703 rotates, it can drive the driven bevel gear 704 to rotate, thereby driving the horizontal shaft 12 to rotate and driving the baffle 9 to rotate.

[0025] Bearing plates 702 are fitted on both sides of the horizontal shaft 12. Both ends of the horizontal shaft 12 are rotatably connected to the outer surface of the bearing plates 702 through bearings. The bearing plates 702 are fixedly connected to the inner wall of the combustion port 2 through the support plate 701, thereby improving the stability of the rotation of the horizontal shaft 12 and the stability of the bearing plates 702.

[0026] A turntable is fitted on the upper end face of the vertical shaft 13, an annular groove is provided on the inner wall of the through hole, and a limiting ring is fitted on the outer surface of the vertical shaft 13, and the limiting ring is inserted into the inner side of the annular groove. The vertical shaft 13 can be rotated by the turntable, which improves the stability of the vertical shaft 13 rotating inside the through hole.

[0027] When this adjustable-capacity burner for staged combustion is in use, it is powered on. Equipped with a motor 5 and a rotating shaft 4, the motor 5 drives the rotating shaft 4, which in turn rotates the combustion port 2, adjusting its angle. The retractable hose 3 extends or retracts without affecting the rotation of the combustion port 2. Rotating the vertical shaft 13 drives the driving bevel gear 703, which in turn drives the driven bevel gear 704. The driven bevel gear 704 then drives the horizontal shaft 12, which in turn rotates the collar 11. This causes the baffle 9 to rotate, blocking the vent holes 10 on the outer surface of the fixed plate 8, thus controlling the size of the emitted flame and achieving flow control. This invention allows for adjustment of the combustion port 2 angle, improving its applicability; and it also allows for control of the emitted flame size, achieving flow control and enhancing practicality.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A modulating dilating burner for stratified combustion comprising a burner body (1), characterized in that: The front end face and the rear end face of the burner body (1) are provided with L-shaped plates (6), the outer surfaces of the two L-shaped plates (6) are provided with rotating shafts (4), the outer surfaces of the two rotating shafts (4) are fixedly provided with combustion ports (2), the combustion ports (2) are connected with the burner body (1) through telescopic hoses (3), the rear end face of one of the L-shaped plates (6) is provided with a motor (5), the inner surfaces of the combustion ports (2) are uniformly provided with four fixed plates (8), the outer surfaces of the fixed plates (8) are uniformly provided with a plurality of air holes (10), the opposite surfaces of the four fixed plates (8) are provided with horizontal shafts (12), the outer surfaces of the horizontal shafts (12) are provided with sleeve rings (11), the outer surfaces of the sleeve rings (11) are uniformly provided with four baffles (9), the upper end faces of the combustion ports (2) are provided with vertical shafts (13) through through holes, and the horizontal shafts (12) and the vertical shafts (13) are drivingly connected through transmission mechanisms (7).

2. A burner with adjustable expansion for staged combustion according to claim 1, characterized in that: The output end of the motor (5) is fixedly connected with the rear end face of one of the rotating shafts (4) through a shaft coupling, and the front end face of the other rotating shaft (4) is drivingly connected with the outer surface of the L-shaped plate (6) through a bearing.

3. A burner with adjustable expansion for staged combustion according to claim 1, characterized in that: The fixed plates (8) are fixedly connected with the inner walls of the combustion ports (2) through arc-shaped plates, the baffles (9) are located on one side of the fixed plates (8), and the inner walls of the telescopic hoses (3) are provided with high-temperature-resistant layers.

4. A burner with adjustable expansion for staged combustion according to claim 1, characterized in that: The transmission mechanism (7) comprises a driving bevel gear (703) and a driven bevel gear (704), the driving bevel gear (703) is sleeved below the outer surface of the vertical shaft (13), the driven bevel gear (704) is sleeved on the outer surface of the horizontal shaft (12), and the driving bevel gear (703) is engaged with the driven bevel gear (704).

5. A burner with adjustable expansion for staged combustion according to claim 1, characterized in that: The horizontal shaft (12) is sleeved with bearing plates (702) on both sides, the two ends of the horizontal shaft (12) are drivingly connected with the outer surfaces of the bearing plates (702) through bearings, and the bearing plates (702) are fixedly connected with the inner walls of the combustion ports (2) through supporting plates (701).

6. A burner with adjustable expansion for staged combustion according to claim 1, characterized in that: The upper end face of the vertical shaft (13) is sleeved with a rotating disc, the inner wall of the through hole is provided with an annular groove, the outer surface of the vertical shaft (13) is sleeved with a limiting ring, and the limiting ring is clamped into the inner side of the annular groove.