Pulverized coal burner convenient to clean

Abstract

The pulverized coal burner convenient to clean comprises an installation bottom plate and a pulverized coal burner body, a supporting frame is fixedly installed at the upper end of the installation bottom plate, the upper end of the supporting frame is rotationally connected with a supporting idler wheel through a rotating shaft, and a transmission shaft column is fixedly installed in the middle of the supporting idler wheel. A rotating motor is fixedly mounted at the upper side end of the mounting bottom plate in a supporting manner, a first belt pulley is fixedly mounted on a transmission shaft part at the front end of the rotating motor, the outer end of the first belt pulley is in transmission connection with a second belt pulley through a belt, and rotating limiting rings are fixedly mounted on the outer curved surfaces of the two ends of the pulverized coal burner body. The front end of the pulverized coal burner body is rotationally connected with a connecting base through a rotating shaft, a supporting table is fixedly mounted at the upper side end of the mounting bottom plate, and the middle of the upper end of the supporting table is rotationally connected with a first electric telescopic rod through a rotating shaft. According to the pulverized coal burner, the inner wall of the pulverized coal burner body can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverized coal burners, in particular to a pulverized coal burner which is easy to clean. Background Art

[0002] A pulverized coal burner is a device specifically designed to burn pulverized coal efficiently and stably. It typically includes key components such as a pulverized coal supply system, a combustion chamber, a combustion air system, and an ignition system.

[0003] The main functions of pulverized coal burners include: Efficient combustion: Pulverized coal burners precisely control the pulverized coal supply and the mixing ratio of the combustion-supporting air, ensuring rapid and complete combustion of the pulverized coal within a short period of time. Stable flame: Pulverized coal burners produce a stable, controllable flame, which is crucial for temperature control and process stability in industrial production. Energy conservation and emission reduction: Due to their efficient combustion, pulverized coal burners emit relatively few pollutants. Furthermore, by optimizing the combustion process, they can further reduce emissions of harmful substances such as nitrogen oxides and sulfur oxides, thereby reducing environmental pollution. Strong adaptability: Pulverized coal burners have strong fuel adaptability and can accommodate different types and particle sizes of pulverized coal. Improved production efficiency: The efficient and stable combustion characteristics of pulverized coal burners help improve production efficiency and product quality. In industrial production, stable temperature control and process parameters are key factors for achieving efficient production. Pulverized coal burners provide a stable and controllable heat source, providing strong support for the production process.

[0004] However, in actual use of the existing technology, traditional pulverized coal burners often suffer from problems such as pulverized coal residue, ash accumulation and coking, which lead to reduced combustion efficiency and increased maintenance costs. The cleaning process is also cumbersome and complicated, affecting the continuous and stable operation of the equipment. Utility Model Content

[0005] The purpose of the present utility model is to provide a pulverized coal burner that is easy to clean, so as to solve the problem that the traditional pulverized coal burner proposed in the above background technology often has problems such as coal powder residue, ash accumulation and coking during use, resulting in reduced combustion efficiency and increased maintenance costs, and the cleaning process is cumbersome and complicated, affecting the continuous and stable operation of the equipment.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: comprising a mounting base and a pulverized coal burner body, wherein a support frame is fixedly mounted on the upper end of the mounting base, the upper end of the support frame is rotatably connected to a support roller via a rotating shaft, a transmission shaft column is fixedly mounted on the middle portion of the support roller, a rotating motor is fixedly mounted on the side end support of the mounting base, a first pulley is fixedly mounted on the transmission shaft portion at the front end of the rotating motor, an outer end of the first pulley is connected to a second pulley via a belt drive, and a rotation limit ring is fixedly mounted on the outer curved surfaces at both ends of the pulverized coal burner body;

[0007] The front end of the pulverized coal burner body is rotatably connected to the connecting seat by a rotating shaft, and the upper end of the mounting base is fixedly mounted with a support platform, and the middle end of the upper end of the support platform is rotatably connected to the first electric telescopic rod by a rotating shaft, and the telescopic part at the rear end of the first electric telescopic rod is fixedly mounted with an extension rod, and the extension rod is penetrated and fixedly mounted with a jet gun at one end away from the first electric telescopic rod, and the rear end of the jet gun is provided with an air inlet, and the top end of the front end of the jet gun is rotatably connected with the jet nozzle by a rotating shaft, and the outer curved surface of the front end of the jet gun supports and fixes a driving motor, and the transmission shaft part at the front end of the driving motor is fixedly mounted with a first transmission gear, and the lower end of the first transmission gear is meshed with a second transmission gear, and the outer curved surface of the rear end of the first electric telescopic rod is fixedly mounted, and the upper end of the mounting base is supported and rotatably connected to the second electric telescopic rod by a pin shaft.

[0008] Preferably, there are four support frames, with two support frames forming a group, and the two groups of support frames are symmetrically distributed on both sides of the upper end of the installation base plate.

[0009] Preferably, the second pulley is fixedly mounted on the side end of the transmission shaft, and there are two rotation limiting rings, which are symmetrically distributed on the outer curved surfaces at both ends of the pulverized coal burner body.

[0010] Preferably, the inner side of the upper end of the supporting roller is movably connected to the inner wall of the rotation limiting ring.

[0011] Preferably, a connecting flange for communicating with a pulverized coal pipeline is fixedly mounted on the front end of the connecting seat, and the air inlet is connected with an external air supply pump through a connecting air pipe.

[0012] Preferably, the air nozzle faces the inner wall of the pulverized coal burner body, and the second transmission gear is fixedly mounted on the outer curved surface at the rear end of the air nozzle.

[0013] Preferably, the telescopic portion at the upper end of the second electric telescopic rod is inclined outward, and the telescopic portion at the upper end of the second electric telescopic rod is rotatably connected to the outer side of the swing rod through a pin.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] When the pulverized coal burner body rotates, the external air supply pump is turned on by control. When the external air supply pump is turned on, high-pressure gas is discharged into the inside of the air gun through the connecting air pipe. When the high-pressure gas is discharged into the inside of the air gun, the high-pressure gas is sprayed onto the inner wall of the pulverized coal burner body through the air nozzle, so that the dust accumulated on the inner wall of the pulverized coal burner body is sprayed off. At the same time, the first electric telescopic rod is turned on by control. When the first electric telescopic rod is turned on, the extension rod is driven to move back and forth in a straight line. When the extension rod moves back and forth in a straight line, the air nozzle is synchronously driven to move back and forth in a straight line to spray and clean the inner wall of the pulverized coal burner body, thereby facilitating the cleaning of the inner wall of the pulverized coal burner body.

[0016] The utility model also simultaneously drives the air jet gun to move linearly backward out of the interior of the pulverized coal burner main body when the first electric telescopic rod is opened. When the air jet gun moves linearly backward out of the interior of the pulverized coal burner main body, the second electric telescopic rod is controlled to be opened to retract. When the second electric telescopic rod is retracted, it drives the swing rod to swing. When the swing rod swings, it drives the first electric telescopic rod to rotate. When the first electric telescopic rod rotates, it drives the extension rod to swing. When the extension rod swings, it drives the air jet gun to swing outward and move out of the rear end of the pulverized coal burner main body, thereby cleaning the inner wall of the pulverized coal burner main body and facilitating the removal of the air jet gun from the interior of the pulverized coal burner main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a pulverized coal burner that is easy to clean. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall structure of a pulverized coal burner that is easy to clean. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the overall structure of a pulverized coal burner that is easy to clean. Figure 3 ;

[0020] Figure 4 The utility model is a schematic diagram of the partial structure of a pulverized coal burner that is easy to clean.

[0021] In the figure: 1. Mounting base plate; 2. Pulverized coal burner body; 3. Support frame; 4. Support roller; 5. Drive shaft; 6. Rotating motor; 7. First pulley; 8. Second pulley; 9. Rotating limit ring; 10. Support platform; 11. First electric telescopic rod; 12. Extension rod; 13. Jet gun; 14. Air inlet; 15. Jet nozzle; 16. Drive motor; 17. First transmission gear; 18. Second transmission gear; 19. Swing rod; 20. Second electric telescopic rod; 21. Connecting seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 The jack-up plan 1 of the present invention is provided with a plurality of support frames 3, and the support frames 3 are connected to the support frame 3 by the support frame 3. The support frames 3 are connected to the support frame 3 by the support frame 3. The support frames 3 are connected to the support frame 3 by the support frame 3. The support frames 3 are connected to the support frame 3 by the support frame 3. The support frames 3 are connected to the support frame 3 by the support frame 3. The support frames 3 are connected to the support frame 4 by the support frame 3. The support frames 3 are connected to the support frame 4 by the support frame 3.

[0024] The front end of the pulverized coal burner body 2 is rotatably connected to a connecting seat 21 through a rotating shaft, and a connecting flange for communicating with the pulverized coal pipeline is fixedly installed at the front end of the connecting seat 21. A support platform 10 is fixedly installed on the upper side end of the mounting base 1. The middle part of the upper end of the support platform 10 is rotatably connected to a first electric telescopic rod 11. An extension rod 12 is fixedly installed on the telescopic part at the rear end of the first electric telescopic rod 11. A jet gun 13 is fixedly installed through the end of the extension rod 12 away from the first electric telescopic rod 11. An air inlet 14 is provided at the rear end of the jet gun 13, and the air inlet 14 is connected to an external air supply pump through a connecting air pipe. The top end of the front end of the jet gun 13 is rotatably connected to an air nozzle 15, and the jet The gas nozzle 15 faces the inner wall of the pulverized coal burner body 2, and the driving motor 16 is fixedly installed on the outer curved surface of the front end of the air nozzle 13. The first transmission gear 17 is fixedly installed on the transmission shaft part of the front end of the drive motor 16. The lower end of the first transmission gear 17 is meshed with the second transmission gear 18, and the second transmission gear 18 is fixedly installed on the outer curved surface of the rear end of the air nozzle 15. The swing rod 19 is fixedly installed on the outer curved surface of the rear end of the first electric telescopic rod 11. The upper side end of the mounting base 1 is rotatably connected to the second electric telescopic rod 20 through a pin support, and the telescopic part of the upper end of the second electric telescopic rod 20 is inclined outward, and the telescopic part of the upper end of the second electric telescopic rod 20 is rotatably connected to the outside of the swing rod 19 through a pin.

[0025] Working principle: When in use, the utility model controls the turning motor 6 to start. When the turning motor 6 is turned on, it drives the first pulley 7 to rotate. When the first pulley 7 rotates, it drives the second pulley 8 to rotate through the belt transmission. When the second pulley 8 rotates, it drives the transmission shaft 5 to rotate. When the transmission shaft 5 rotates, it drives the support roller 4 to rotate. When the support roller 4 rotates, it drives the pulverized coal burner body 2 to rotate through friction. When the pulverized coal burner body 2 rotates, the external air supply pump is turned on by control. When the external air supply pump is turned on, it will be connected to the The air pipe discharges high-pressure gas into the interior of the air jet gun 13. When the high-pressure gas is discharged into the interior of the air jet gun 13, the high-pressure gas is sprayed onto the inner wall of the pulverized coal burner body 2 through the air jet nozzle 15, so that the dust accumulated on the inner wall of the pulverized coal burner body 2 is ejected and removed. At the same time, the first electric telescopic rod 11 is turned on by control. When the first electric telescopic rod 11 is turned on, it drives the extension rod 12 to move back and forth in a straight line. When the extension rod 12 moves back and forth in a straight line, it synchronously drives the air jet nozzle 15 to move back and forth in a straight line to spray and clean the inner wall of the pulverized coal burner body 2, thereby facilitating the cleaning of the inner wall of the pulverized coal burner body 2.

[0026] At the same time, when the inner wall of the pulverized coal burner main body 2 is cleaned, the first electric telescopic rod 11 is controlled to be turned on. When the first electric telescopic rod 11 is turned on, the jet gun 13 is synchronously driven to move backward in a straight line out of the inside of the pulverized coal burner main body 2. When the jet gun 13 moves backward in a straight line out of the inside of the pulverized coal burner main body 2, the second electric telescopic rod 20 is controlled to be turned on to retract. When the second electric telescopic rod 20 is retracted, the swing rod 19 is driven to swing. When the swing rod 19 swings, the first electric telescopic rod 11 is driven to rotate. When the first electric telescopic rod 11 rotates, the extension rod 12 is driven to swing. When the extension rod 12 swings, the jet gun 13 is driven to swing outward and move out of the rear end of the pulverized coal burner main body 2, thereby cleaning the inner wall of the pulverized coal burner main body 2 while facilitating the removal of the jet gun 13 from the inside of the pulverized coal burner main body 2.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulverized coal burner that is easy to clean, characterized by: It comprises a mounting base (1) and a pulverized coal burner body (2), wherein a support frame (3) is fixedly mounted on the upper end of the mounting base (1), the upper end of the support frame (3) is rotatably connected to a support roller (4) via a rotating shaft, a transmission shaft column (5) is fixedly mounted on the middle part of the support roller (4), a rotating motor (6) is fixedly mounted on the upper side end of the mounting base (1), a first pulley (7) is fixedly mounted on the front end transmission shaft portion of the rotating motor (6), the outer end of the first pulley (7) is connected to a second pulley (8) via a belt drive, and a rotation limit ring (9) is fixedly mounted on the outer curved surfaces of both ends of the pulverized coal burner body (2); The front end of the pulverized coal burner body (2) is rotatably connected to a connecting seat (21) via a rotating shaft, the upper side end of the mounting base (1) is fixedly mounted with a support platform (10), the middle portion of the upper end of the support platform (10) is rotatably connected to a first electric telescopic rod (11) via a rotating shaft, an extension rod (12) is fixedly mounted on the telescopic portion at the rear end of the first electric telescopic rod (11), an air jet gun (13) is fixedly mounted through the end of the extension rod (12) away from the first electric telescopic rod (11), an air inlet (14) is provided at the rear end of the air jet gun (13), and the air inlet (14) is provided at the rear end of the air jet gun (13). The top end of the front end of the jet gun (13) is rotatably connected to the jet nozzle (15) via a rotating shaft. The front end outer curved surface of the jet gun (13) supports and fixes a driving motor (16). The front end transmission shaft portion of the driving motor (16) is fixedly installed with a first transmission gear (17). The lower end of the first transmission gear (17) is meshedly connected with a second transmission gear (18). The rear end outer curved surface of the first electric telescopic rod (11) is fixedly installed with a swing rod (19). The upper side end of the mounting base plate (1) is rotatably connected to the second electric telescopic rod (20) via a pin support.

2. The pulverized coal burner that is easy to clean according to claim 1, characterized in that: There are four support frames (3), with two support frames (3) forming a group, and the two groups of support frames (3) are symmetrically distributed on both sides of the upper end of the mounting base plate (1).

3. The pulverized coal burner that is easy to clean according to claim 2, characterized in that: The second pulley (8) is fixedly mounted on the side end of the transmission shaft (5), and there are two rotation limit rings (9), which are symmetrically distributed on the outer curved surfaces at both ends of the pulverized coal burner body (2).

4. The pulverized coal burner that is easy to clean according to claim 3, characterized in that: The inner side of the upper end of the support roller (4) is movably connected to the inner wall of the rotation limiting ring (9).

5. The pulverized coal burner that is easy to clean according to claim 4, characterized in that: A connecting flange for communicating with a pulverized coal pipeline is fixedly mounted on the front end of the connecting seat (21), and the air inlet (14) is connected to an external air supply pump via a connecting air pipe.

6. The pulverized coal burner that is easy to clean according to claim 5, characterized in that: The air nozzle (15) faces the inner wall of the pulverized coal burner body (2), and the second transmission gear (18) is fixedly mounted on the outer curved surface at the rear end of the air nozzle (15).

7. The pulverized coal burner that is easy to clean according to claim 6, characterized in that: The telescopic portion at the upper end of the second electric telescopic rod (20) is tilted outward, and the telescopic portion at the upper end of the second electric telescopic rod (20) is rotatably connected to the outside of the swing rod (19) via a pin shaft.

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