Large split type burner air inlet device assembly

Abstract

The utility model discloses a large split type combustor air inlet device assembly, which relates to the technical field of combustors and comprises a combustor assembly and mounting flange plates arranged at the upper end and the lower end of the combustor assembly, and a plurality of guide plate lower bent plates are linearly arranged in an inner cavity of the combustor assembly at equal intervals. An air door adjusting assembly is arranged at the upper end of the bottom face of an inner cavity of the combustor assembly, in the normal load combustion condition of the combustor, the opening degree of an air door plate generally ranges from 0 degree to 60 degrees, the maximum load of the combustor can be met when the opening degree of the air door plate is 60 degrees, and therefore when the opening degree of the air door plate ranges from 0 degree to 60 degrees, the maximum load of the combustor can be met. The guide plate lower bending plates on the left side and the right side of the air door plate are used for blocking air and guiding air, and the left side and the right side are matched to guide 80%-90% combustion-supporting air entering the air channel to the right side of the air door plate, so that turbulence and noise generated by collision of a large amount of combustion-supporting air entering the two sides at the same time behind the air door plate are reduced; and combustion-supporting air is smoother when entering the combustor.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to an air inlet device component of a large-scale split burner. Background Art

[0002] A burner is a thermal energy device that delivers fuel and air into the furnace at the required concentration, speed, turbulence and mixing mode, and enables the fuel to ignite and burn stably in the furnace. Generally, a burner includes an air inlet device for air intake, a fuel inlet device for combustible gas, and a combustion head for emitting fire.

[0003] At present, the air volume of the burner is mainly adjusted by adjusting the damper during combustion. When the damper is adjusted to the ideal state, it can be directly tightened by tightening the bolts. However, the setting of the combustion state of the burner only by adjusting the damper can easily make the stability of the combustion-supporting air poor when entering the burner.

[0004] In view of the above problems, a large-scale split burner air inlet device assembly is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a large-scale split burner air inlet device assembly, which is used to work, thereby solving the problem that the burner in the above background mainly adjusts the air volume by adjusting the air door baffle during combustion. When the air door baffle is adjusted to the ideal state, it can be directly tightened by tightening the bolts. However, the setting of controlling the combustion state of the burner only by adjusting the air door baffle can easily lead to poor stability of the combustion-supporting air when entering the burner.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-scale split burner air inlet device assembly, including a burner assembly and mounting flanges arranged at the upper and lower ends of the burner assembly, a coupling assembly is arranged on one side of the upper end of the burner assembly, a plurality of guide plate lower bent plates are linearly and evenly spaced in the inner cavity of the burner assembly, a control assembly is arranged on the other side of the upper end of the burner assembly, a damper adjustment assembly is arranged on the upper end of the bottom surface of the inner cavity of the burner assembly, the guide plate lower bent plates are arranged on both sides of the damper adjustment assembly, and a wind pressure switch is arranged on the other end of the upper end of the burner assembly, and the setting of the guide plate lower bent plate is used to adjust the stability of the combustion-supporting air entering the inner cavity of the burner assembly.

[0007] Furthermore, the burner assembly includes a combustion box and a damper bearing plate arranged on one side of the outer wall of the combustion box.

[0008] Furthermore, the coupling assembly includes a slider coupling, and both ends of one side of the slider coupling are installed on one side of the burner assembly through headless set screws.

[0009] Furthermore, the control assembly includes a damper rod and a damper swing arm fixedly mounted on one side of the damper rod by a fastening screw.

[0010] Furthermore, a ball joint bearing is fixedly mounted on one side of the damper swing arm via a hexagon socket full-thread bolt.

[0011] Furthermore, the damper adjustment assembly includes a damper plate and a hexagonal bolt for mounting the damper plate in the inner cavity of the combustion box.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the burner is burning under normal load, the opening of the air damper plate is generally between 0 and 60 degrees, and when the opening of the air damper plate is 60 degrees, the maximum load of the burner can be met, and then when the opening of the air damper plate is between 0 and 60 degrees, the lower curved plates of the guide plates on the left and right sides of the air damper plate are used to block the wind and guide the wind. Specifically, when the air damper plate is adjusted to a setting angle of degrees, the lower curved plate of the guide plate arranged on the left side of the air damper plate is used to block the wind, and the lower curved plate of the guide plate arranged on the right side of the air damper plate is used to increase the air inlet area, through the left and right sides The combination of the guide plate and the lower curved plate can divert eighty to ninety percent of the combustion-supporting air entering this air duct to the right side of the air damper plate, thereby reducing the turbulence and noise caused by a large amount of combustion-supporting air entering from both sides at the same time and colliding behind the air damper plate, making the combustion-supporting air enter the burner more smoothly. Since the lower flange of the combustion box is connected to the blower air duct and the upper flange is connected to the burner bellows, the air inlet device places the damper bearing plate outside, which has the same function as the built-in one and there are no obstacles inside the air inlet device, the combustion-supporting air can enter the burner bellows smoothly, which can significantly reduce the noise during burner operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 A top view of the burner assembly of the utility model;

[0015] Figure 3 It is a top view of the damper plate and the lower curved plate of the guide plate of the utility model;

[0016] Figure 4 For the utility model Figure 3 A magnified image of point A;

[0017] Figure 5 It is a side view of the damper bearing plate of the utility model.

[0018] In the figure: 1. Burner assembly; 11. Combustion box; 12. Air damper bearing plate; 2. Mounting flange; 4. Coupling assembly; 41. Slider coupling; 42. Headless set screw; 3. Guide plate lower bend plate; 5. Control assembly; 51. Air damper lever; 52. Air damper swing arm; 53. Fastening screw; 54. Hexagon socket full-thread bolt; 55. Ball joint bearing; 6. Air damper adjustment assembly; 61. Air damper plate; 62. Hexagon bolt; 7. Control assembly. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 A large-scale split burner air inlet device assembly comprises a burner assembly 1 and mounting flanges 2 arranged at the upper and lower ends of the burner assembly 1, a coupling assembly 4 is arranged on one side of the upper end of the burner assembly 1, a plurality of guide plate lower curved plates 3 are linearly and evenly spaced in the inner cavity of the burner assembly 1, a control assembly 5 is arranged on the other side of the upper end of the burner assembly 1, a damper adjustment assembly 6 is arranged on the upper end of the bottom surface of the inner cavity of the burner assembly 1, the guide plate lower curved plates 3 are arranged on both sides of the damper adjustment assembly 6, and a wind pressure switch 7 is arranged on the other end of the upper end of the burner assembly 1, and the setting of the guide plate lower curved plates 3 is used to adjust the stability of the combustion-supporting air entering the inner cavity of the burner assembly 1.

[0021] The coupling assembly 4 comprises a slider coupling 41 , and both ends of one side of the slider coupling 41 are mounted on one side of the burner assembly 1 through headless set screws 42 .

[0022] The control assembly 5 includes a damper rod 51 and a damper swing arm 52 fixedly mounted on one side of the damper rod 51 by a fastening screw 53 , and a ball joint bearing 55 is fixedly mounted on one side of the damper swing arm 52 by a full-thread bolt 54 .

[0023] The damper adjustment assembly 6 includes a damper plate 61 and a hexagonal bolt 62 for mounting the damper plate 61 in the inner cavity of the combustion box 11. Because a plurality of guide plate lower curved plates 3 are linearly and evenly spaced in the inner cavity of the burner assembly 1, and the guide plate lower curved plates 3 are arranged on both sides of the damper adjustment assembly 6, when the damper plate 61 is adjusted to a setting angle of 60 degrees, the guide plate lower curved plate 3 arranged on the left side of the damper plate 61 is used to block the wind, and the guide plate lower curved plate 3 arranged on the right side of the damper plate 61 is used to increase the air inlet area.

[0024] See also Figure 5 The burner assembly 1 includes a combustion box body 11 and a damper bearing plate 12 arranged on one side of the outer wall of the combustion box body 11. Since the lower flange of the combustion box body 11 is connected to the blower air duct and the upper flange is connected to the burner bellows, a conventional burner will have the damper bearing plate built-in, which has the function of reinforcing ribs to prevent air leakage. However, by placing the damper bearing plate externally through the air inlet device, the damper bearing plate needs to be fully welded during the external installation and welding to avoid air leakage. The external damper bearing plate has the same function as the built-in one, and there are no obstacles inside the air inlet device, so the combustion-supporting air can smoothly enter the burner bellows, which can significantly reduce the noise during the operation of the burner.

[0025] When the burner is burning under normal load, the opening of the damper plate 61 is usually between 0 and 60 degrees. When the opening of the damper plate 61 is 60 degrees, the maximum load of the burner can be met. Furthermore, when the opening of the damper plate 61 is between 0 and 60 degrees, the lower curved plates 3 of the guide plates on the left and right sides of the damper plate 61 are used for wind blocking and wind guiding respectively. Specifically, when the damper plate 61 is adjusted to a setting angle of 60 degrees, the lower curved plate 3 of the guide plate on the left side of the damper plate 61 is used for wind blocking, while the lower curved plate 3 of the guide plate on the right side of the damper plate 61 is used for increasing the air inlet area. Through the cooperation of the lower curved plates 3 of the guide plates on the left and right sides, eighty to ninety percent of the combustion-supporting air entering the air duct can be diverted to the right side of the damper plate, thereby reducing the turbulence and noise caused by a large amount of combustion-supporting air entering from both sides at the same time and colliding behind the damper plate, and making the combustion-supporting air enter the burner smoother.

[0026] It should be noted that the large-scale split burner air inlet device assembly is equipped with core components that can support the normal operation of the large-scale split burner air inlet device assembly. It works normally through these core components. It is not an innovative part of this application document, but also belongs to common knowledge. Technical personnel in this field are capable of thinking of the specific structure and structural layout setting.

[0027] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large split burner air inlet device assembly, comprising a burner assembly (1) and mounting flanges (2) arranged at upper and lower ends of the burner assembly (1), a coupling assembly (4) being arranged on one side of the upper end of the burner assembly (1), characterized in that: A plurality of guide plate lower curved plates (3) are linearly arranged at equal intervals in the inner cavity of the burner assembly (1); a control assembly (5) is arranged on the other side of the upper end of the burner assembly (1); a damper adjustment assembly (6) is arranged on the upper end of the bottom surface of the inner cavity of the burner assembly (1); the guide plate lower curved plates (3) are arranged on both sides of the damper adjustment assembly (6); and a wind pressure switch (7) is arranged on the other end of the upper end of the burner assembly (1); and the arrangement of the guide plate lower curved plates (3) is used to adjust the stability of combustion-supporting air entering the inner cavity of the burner assembly (1).

2. The large split burner air inlet device assembly according to claim 1, characterized in that: The burner assembly (1) comprises a combustion box (11) and a damper bearing plate (12) arranged on one side of an outer wall of the combustion box (11).

3. The large split burner air inlet device assembly according to claim 2, characterized in that: The coupling assembly (4) comprises a slider coupling (41), and both ends of one side of the slider coupling (41) are mounted on one side of the burner assembly (1) via headless set screws (42).

4. The large split burner air inlet device assembly according to claim 3, characterized in that: The control assembly (5) comprises a damper rod (51) and a damper swing arm (52) fixedly mounted on one side of the damper rod (51) by means of a fastening screw (53).

5. The large split burner air inlet device assembly according to claim 4, characterized in that: A ball joint bearing (55) is fixedly mounted on one side of the damper swing arm (52) via a hexagon socket full-thread bolt (54).

6. The large split burner air inlet device assembly according to claim 5, characterized in that: The damper adjustment assembly (6) comprises a damper plate (61) and a hexagonal bolt (62) for mounting the damper plate (61) in the inner cavity of the combustion box (11).

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