A complete flue dust absorption pipeline for an aluminum slag separator

Abstract

The application discloses a matched flue dust absorption pipeline suitable for an aluminum slag separator, relates to the technical field of flue dust absorption and treatment on the aluminum slag separator, and is used for solving the problem of large burden of the flue dust purification equipment matched with the aluminum slag separator. The application is controlled by a unilateral pipeline through the parallel flow principle, and timely flow path switching is performed when the ash blocking cylinder in the pipeline is blocked, idle conditions for subsequent maintenance and ash cleaning are provided, normal flue dust flow is not affected, the rotation speed of the rotating column is adjusted through a transmission assembly, the movable ball at the end of the rotating arm contacts the inner wall of the ash blocking cylinder, the pressing strip pressed downward extrudes the scraping strip to contact the outer wall of the ash blocking cylinder, air is inhaled through the air inlet, the scraped flue dust is discharged from the ash discharging port, self-cleaning of the pipeline is completed, the dust removal efficiency is high, and the degree of automation is high, and the operation is convenient and fast.

Description

Technical Field

[0001] This invention relates to the field of dust absorption and treatment technology for aluminum slag separators, specifically to a matching dust absorption pipeline suitable for aluminum slag separators. Background Technology

[0002] Aluminum slag separator is a device used to separate aluminum slag and aluminum ash. It is mainly used in the refining and recycling of metallic aluminum, the production of basic aluminum chloride water purification agent, the replacement of some slag removal agents with joint material in electrolytic aluminum plants, the desulfurization and deoxidation agent for refining furnaces in steel plants, and high-strength mortar in the construction industry. Aluminum slag separators generate flue gas containing dust and gaseous pollutants during operation, which poses certain hazards to the environment and human health. Effective flue gas treatment is required, which usually consists of a combination of a spray tower and a bag filter. The flue gas first enters the spray tower, where some gaseous pollutants and dust are removed by the spray liquid, and then enters the bag filter to further remove the remaining dust. This can achieve a good treatment effect, but the equipment occupies a large area and has high operating costs. Another method is to combine an activated carbon adsorption box with an electrostatic precipitator. The activated carbon adsorption box adsorbs gaseous pollutants, and then the electrostatic precipitator removes dust. This method can effectively remove a variety of pollutants, but the activated carbon in the activated carbon adsorption box needs to be replaced regularly, making operation and maintenance more complicated. In practical applications, it is usually necessary to select appropriate flue gas treatment methods or combined processes based on factors such as the specific operating conditions of the aluminum slag separator, flue gas composition, and emission standards to ensure that the flue gas meets emission standards. At the same time, considering that the flue gas generated by the aluminum slag separator has a high temperature and large dust, the tail absorption treatment is easy to become saturated. Therefore, some large particulate impurities are intercepted in the flue gas pipeline, which is conducive to the efficient operation of subsequent dust removal equipment. Therefore, we propose a matching dust absorption pipeline suitable for aluminum slag separators. Summary of the Invention

[0003] The purpose of this invention is to provide a matching dust absorption pipe suitable for aluminum slag separators, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a matching dust absorption pipe suitable for an aluminum slag separator, comprising a dust flushing pipe one and a dust flushing pipe two, wherein the dust flushing pipe one and the dust flushing pipe two are respectively arranged, and a branch pipe one and a branch pipe two are fixedly connected between the dust flushing pipe one and the dust flushing pipe two, wherein an air inlet is provided on the branch pipe one and an air outlet is provided on the branch pipe two. The branch pipe 1 and the branch pipe 2 are respectively provided with an air inlet and a dust discharge outlet. The top of the dust flushing pipe 1 and the dust flushing pipe 2 are fixed with a transmission assembly by bolts. The transmission assembly is located inside the dust flushing pipe 1 and the dust flushing pipe 2 and is fixedly connected with a rotating column. The dust flushing pipe 1 and the dust flushing pipe 2 are fixedly connected with a dust baffle cylinder located inside the dust flushing pipe 1 and the dust flushing pipe 2 and on the rotating column.

[0005] Furthermore, a sliding sleeve is slidably connected to the outer wall of the rotating column and located on the dust-blocking cylinder, and a rotating arm is symmetrically and movably connected to the outer wall of the rotating column and located inside the dust-blocking cylinder. A movable ball is movably connected to one end of the rotating arm, and connecting rods are symmetrically and movably connected to both sides of the outer wall of the sliding sleeve, and the connecting rods are respectively movably connected to one end of the rotating arm.

[0006] Furthermore, the inner walls of the dust flushing pipe one and the dust flushing pipe two are symmetrically fixed with limiting frames, and the limiting frames are symmetrically provided with channels on both sides. A scraper is slidably connected inside the limiting frame and located in the channel.

[0007] Furthermore, pressure strips are slidably connected inside the dust flushing pipe one and the dust flushing pipe two and located at the top of the dust blocking cylinder. One end of the pressure strip abuts against the top cut surface of the scraper, and the other end of the pressure strip abuts against the outer wall of the sliding sleeve.

[0008] Furthermore, a steering mechanism is symmetrically and movably connected to branch pipe one and branch pipe two. The steering mechanism includes a rotating shaft and a valve cover. A valve cover is movably connected to the vertical cross-section of branch pipe one and branch pipe two, and the two valve covers rotate in opposite directions. A rotating shaft is movably connected to branch pipe one and branch pipe two. The two ends of the rotating shaft are respectively connected to the valve cover inside branch pipe one and branch pipe two. A clamping strip is fixedly fitted on the outer wall of the rotating shaft, and a sliding strip is installed on the side of the clamping strip.

[0009] Furthermore, a control box is fixedly installed on the top of the first branch pipe, the slide bar is located at the bottom of the control box, and pressure gauges are installed on the first and second dust flushing pipes.

[0010] The working method of the matching dust absorption pipeline for the aluminum slag separator is as follows: Dust collection monitoring in pipeline: The air inlet of branch pipe 1 between dust flushing pipe 1 and dust flushing pipe 2 is connected to the dust duct. Dust-laden flue gas enters dust flushing pipe 1 through branch pipe 1. The transmission component at the top of dust flushing pipe 1 drives the rotating column to rotate. The dust baffle installed on the rotating column rotates to intercept and purify the incoming flue gas. Then, it is discharged into the dust removal equipment through the air outlet of branch pipe 2. As the amount of impurities on the outer wall of the dust baffle increases, the efficiency of flue gas passing through dust flushing pipe 1 decreases, which at the same time causes the air pressure inside dust flushing pipe 1 to increase. The air pressure gauge obtains the real-time air pressure value until the air pressure value triggers the air pressure threshold set in the control box. At this time, the electric push rod at the bottom of the control box actively pushes the slide bar to slide. With the rotation of the rotating shaft, the orientation of the valve cover on branch pipe 1 and branch pipe 2 is changed, and the flue gas entering through the air inlet enters dust flushing pipe 2. Dust removal without stopping: When the dust flushing pipe enters the dust removal mode from the idle state, the transmission component increases the rotation speed of the rotating column, which causes the rotating ball connected to the rotating arm to increase the rotation angle. At the same time, the top sliding sleeve of the dust blocking cylinder slides down, pressing down the pressure strip on the entire limit frame to contact the high-speed rotating dust blocking cylinder, mechanically cleaning the entire dust blocking cylinder. At the same time, the air inlet starts to take in air and blows the dust-laden airflow out from the dust discharge port.

[0011] Compared with the prior art, the beneficial effects of the present invention are: In this invention, branch lines are installed on the matching dust pipeline of the aluminum slag separator. Utilizing the parallel flow principle, single-sided pipeline control is implemented, and the flow path is switched in a timely manner when the ash-blocking cylinder in the pipeline becomes blocked, providing conditions for subsequent maintenance and dust removal without affecting normal dust flow. As the dust adhering to the outer wall of the ash-blocking cylinder increases over time, it affects the gas flow rate in the subsequent pipeline and causes an increase in pipeline pressure. The control box actively detects and adjusts the path, driving the sliding bar to rotate the shaft, controlling the rotation of the valve covers in branch line one and branch line two, ultimately achieving flow path adjustment. The subsequent transmission component increases the rotation speed of the rotating column, causing the movable ball at the end of the rotating arm to contact the inner wall of the ash-blocking cylinder. At the same time, the downward-pressing strip squeezes the scraper to contact the outer wall of the ash-blocking cylinder. With the air intake at the air inlet, the scraped dust is discharged from the ash outlet, completing the self-cleaning of the pipeline. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall dust absorption pipeline for the aluminum slag separator according to the present invention; Figure 2 This is a schematic diagram of the air inlet of the flue gas absorption pipeline for the aluminum slag separator according to the present invention. Figure 3 This is a side view of the dust absorption pipe structure of the present invention applicable to an aluminum slag separator; Figure 4 This is a schematic diagram of the main structure of the dust absorption pipeline for the aluminum slag separator according to the present invention; Figure 5 This is a schematic diagram of the installation structure of the inner valve cover of the branch pipe according to the present invention; Figure 6 This is a schematic diagram of the installation structure of the inner dust-blocking cylinder of the dust flushing pipe of the present invention; Figure 7 This is a schematic diagram of the rotating arm mounting structure on the rotating column of the present invention.

[0013] In the diagram: 1. Dust flushing pipe one; 2. Dust flushing pipe two; 3. Branch pipe one; 4. Branch pipe two; 5. Air inlet; 6. Air outlet; 7. Control box; 8. Pressure gauge; 9. Steering mechanism; 901. Rotating shaft; 902. Clamping bar; 903. Valve cover; 904. Sliding bar; 10. Transmission assembly; 11. Air inlet; 12. Ash discharge outlet; 13. Rotating column; 14. Rotating arm; 15. Movable ball bearing; 16. Sliding sleeve; 17. Ash baffle; 18. Limiting frame; 19. Scraper; 20. Pressure bar. Detailed Implementation

[0014] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0015] Please see Figure 1-7 The present invention provides a technical solution: like Figure 1 and Figure 2 As shown, the aluminum slag separator is equipped with a dust absorption pipeline. This pipeline is mainly composed of dust flushing pipe 1 and dust flushing pipe 2, which are precisely matched and connected to branch pipe 3 and branch pipe 4, forming a stable and efficient dust flow channel structure. Among them, the air inlet 5 is carefully opened on the branch pipe 3 to accurately introduce the smoke and dust generated during the aluminum slag separation process, so as to ensure that the smoke and dust can enter the absorption pipeline system smoothly and efficiently. The air outlet 6 is reasonably set on the branch pipe 4 so that the treated gas can be discharged smoothly, ensuring the continuity and effectiveness of the entire absorption process. The branch pipe 3 and the branch pipe 4 are also cleverly provided with an air inlet 11 and a dust discharge outlet 12 respectively. The air inlet 11 provides convenience for cleaning and other operations inside the pipe. The active air inflation from the outside can effectively disturb the dust. With the subsequent scraper 19, the dust in the pipe can be effectively guided. The dust discharge outlet 12 can discharge the settled dust from the pipe in time, maintain the clean state inside the pipe, and ensure its long-term stable and efficient operation. At the top of dust flushing pipe 1 and dust flushing pipe 2, a transmission assembly 10 is securely fixed with high-strength bolts. The transmission assembly 10 extends into the dust flushing pipe 1 and dust flushing pipe 2 and is reliably fixedly connected to the rotating column 13. The motor inside the transmission assembly 10 drives the rotating column 13 to rotate. As the core rotating component, the rotating column 13 plays a key role in the dust flushing pipe 1 and dust flushing pipe 2. At the same time, the transmission assembly 10 adjusts the rotation speed of the rotating column 13, which also indirectly controls the scraper 19. The design of the dust baffle 17 can effectively block the dust from spreading and guide the dust to flow along the predetermined path. However, large particles of impurities contained in the dust are intercepted by the dust baffle 17 and adhere to its surface. After long-term operation, the holes on the outer wall of the dust baffle 17 will be blocked, affecting the subsequent flow of flue gas. By utilizing the air pressure changes that occur during the operation of dust flushing pipe 1 and dust flushing pipe 2, the blockage status can be predicted and monitored. Figure 4 As shown, a control box 7 is installed on the entire branch pipe 3. The control box 7 is used for the acquisition and processing of real-time data transmitted by the pressure gauge 8. By setting the pipeline pressure threshold in the control box 7, the real-time pressure data is compared with the pressure threshold. When the pressure value in the dust flushing pipe 1 is greater than the set pressure threshold, it indicates that the dust blockage on the outer wall of the dust baffle cylinder 17 in the dust flushing pipe 1 is serious. At this time, it is necessary to clean it and activate the dust flushing pipe 2 for subsequent dust purification. To this end, by setting up parallel flow pipelines and then controlling the pipeline on one side, and switching the flow path in time when the ash-blocking cylinder 17 in the pipeline is blocked, the conditions for subsequent maintenance and ash cleaning are provided, while not affecting the normal flow of smoke and dust. In other words, the entire aluminum slag separator can achieve automatic treatment of smoke and dust on the pipeline without stopping the machine. Regarding the control of flue gas flow direction, such as Figure 5 The entire steering mechanism 9 is shown. A rotating shaft 901 is movably connected to the vertical cross-section of branch pipe 3 and branch pipe 4. A valve cover 903 is fixedly connected to the rotating shaft 901 inside branch pipe 3 and branch pipe 4. The valve covers 903 connected to the ends of the rotating shaft 901 on both vertical sides rotate in opposite directions. A clamping strip 902 is sleeved and fixed on the outside of the rotating shaft 901. Simultaneously, a slide bar 904 is slidably connected to the bottom of the control box 7. A groove is formed on the slide bar 904. The bottom protrusion of the clamping strip 902 engages with the groove on the slide bar 904. Upon the issuance of a path adjustment signal, an electric push rod at the bottom of the control box 7 pushes the entire slide bar 904 to move. The clamping strip 902 rotates synchronously, causing the valve cover 903 at the end of the rotating shaft 901 to rotate synchronously. Figure 5 As shown, when the shaft 901 rotates, the flue gas entering from the air inlet 5 flows into the dust flushing pipe 1 through the branch pipe 3, while the branch pipe 3 is located on the side of the dust flushing pipe 2 and is in a closed state. When the entire dust flushing pipe needs to be cleaned, such as Figure 6As shown, a limiting frame 18 is symmetrically fixed on the outer wall of the dust flushing pipe 17 and the ash blocking cylinder 17. A scraper 19 is slidably connected inside the limiting frame 18. According to the orientation of the grooves on both sides of the limiting component, under normal placement, the scraper 19 slides towards the bottom of the groove, causing the entire scraper 19 to disengage from the outer wall of the ash blocking cylinder 17. At the same time, the top of the entire scraper 19 is provided with an inward-facing cut surface. A pressure strip 20 is symmetrically slidably connected to the inner wall of the dust flushing pipe 1. The bottom of the pressure strip 20 protrudes and abuts against the top cut surface of the scraper 19. Whenever the pressure strip 20 moves downward, it will squeeze the entire scraper 19 to slide along the upward-sloping groove, causing the entire scraper 19 to start moving towards the outer wall of the dust-blocking cylinder 17, and finally complete the contact with the outer wall of the dust-blocking cylinder 17. During the rotation of the dust-blocking cylinder 17 driven by the rotating column 13, the dust on the outer wall of the dust-blocking cylinder 17 is scraped, realizing the automatic cleaning of the outer wall of the dust-blocking cylinder 17. Without the pressure of the pressure strip 20, the scraper 19 can also automatically detach from the contact with the outer wall of the dust-blocking cylinder 17 by its own weight, preventing the scraper 19 from being in contact with the dust-blocking cylinder 17 for a long time and aggravating wear. For the entire pressure strip 20 activity control, such as Figure 7 As shown, a rotating arm 14 is symmetrically rotatably connected to the outer wall cross-section of the rotating column 13. A movable ball 15 is movably connected to one end of the rotating arm 14, and the outer wall of the movable ball 15 is uniformly provided with protrusions. As the entire rotating column 13 rotates, the movable ball 15 on the rotating arm 14 is automatically suspended by the centrifugal force generated by the rotation. The faster the rotating column 13 rotates, the larger the suspension angle of the movable ball 15. Correspondingly, the larger the downward bending angle of the other end of the rotating arm 14. A sliding sleeve 16 is also fitted on the rotating column 13 at the top of the dust-blocking cylinder. The entire sliding sleeve 16 is slidably connected to the rotating column 13. The connecting rod on the outer wall of the rotating sleeve is movably connected to the end of the rotating arm 14. This causes the entire sliding sleeve 16 to actively press down and move downward during the rotation of the rotating arm 14. One side of the entire pressure strip 20 is located at the bottom of the sliding sleeve 16. The downward-moving sliding sleeve 16 will push the entire pressure strip 20 to squeeze the scraper 19, thereby realizing a chain action and completing the movement of the scraper 19 to the outer wall of the dust-blocking cylinder 17. Under normal conditions, the rotation speed of the entire rotating column 13 is relatively low. The flue gas flowing in from the side of the branch pipe 13 is discharged upward along the dust baffle. However, when the entire dust flushing pipe 1 needs to be cleaned, the motor speed in the transmission assembly 10 increases and the rotation amplitude of the rotating arm 14 increases. This causes the movable ball 15 at the end of the rotating arm 14 to start contacting the inner wall of the dust baffle. The vibration generated by the contact impact of the movable ball 15 helps the dust on the outer wall of the dust baffle to fall off. At the same time, the active contact of the scraper 19 will also scrape and clean the outer wall of the dust baffle 17, and dust will continuously come into the gap of the dust flushing pipe 1. To prevent secondary pollution of the dust baffle 17 by suspended dust, the air inlet 11 installed on the outer wall of the dust flushing pipe 1 starts to actively intake air. The flowing airflow pushes the dust out of the ash discharge port 12, realizing the matching dust absorption and collection. By intercepting some large particulate impurities in the dust pipe, it is beneficial to the efficient operation of subsequent dust removal equipment.

[0016] The working principle of this invention: The air inlet 5 of the branch pipe 3 between dust flushing pipe 1 and dust flushing pipe 2 is connected to the dust pipe. Dust-laden flue gas enters dust flushing pipe 1 through branch pipe 3. The transmission component 10 at the top of dust flushing pipe 1 drives the rotating column 13 to rotate. The dust baffle installed on the rotating column 13 rotates to intercept and purify the incoming flue gas. Then, it is discharged into the dust removal equipment through the air outlet 6 on branch pipe 2. As the amount of impurities on the outer wall of the dust baffle increases, the efficiency of the flue gas passing through dust flushing pipe 1 decreases, and at the same time, the air pressure inside dust flushing pipe 1 increases. The air pressure gauge 8 obtains the real-time air pressure value until the air pressure value triggers the air pressure threshold set in the control box 7. At this time, the electric push rod at the bottom of the control box 7 actively pushes the slide bar 904 to slide. With the rotation of the rotating shaft 901, the orientation of the valve cover 903 on branch pipe 1 and branch pipe 2 changes, and the flue gas entering through the air inlet 5 enters dust flushing pipe 2. When the dust flushing pipe 1 enters the dust removal mode in the idle state, the transmission component 10 increases the rotation speed of the rotating column 13, which causes the rotation angle of the movable ball 15 connected to the rotating arm 14 to increase. At the same time, the top sliding sleeve 16 of the dust blocking cylinder 17 slides down, pressing down the pressure strip 20 on the entire limit frame 18 to contact the high-speed rotating dust blocking cylinder 17, mechanically cleaning the entire dust blocking cylinder 17. At the same time, the air inlet 11 starts to take in air and blows the dust-laden airflow out from the dust outlet 12.

[0017] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A matching dust absorption pipe for an aluminum slag separator, comprising a dust flushing pipe one (1) and a dust flushing pipe two (2), characterized in that, The dust flushing pipe 1 (1) and the dust flushing pipe 2 (2) are respectively arranged. The dust flushing pipe 1 (1) and the dust flushing pipe 2 (2) are connected and fixed by a branch pipe 1 (3) and a branch pipe 2 (4). The branch pipe 1 (3) is provided with an air inlet (5) and the branch pipe 2 (4) is provided with an air outlet (6). The first branch pipe (3) and the second branch pipe (4) are respectively provided with an air inlet (11) and a dust discharge outlet (12). The top of the first dust flushing pipe (1) and the second dust flushing pipe (2) are fixed with a transmission assembly (10) by bolts. The transmission assembly (10) is located inside the first dust flushing pipe (1) and the second dust flushing pipe (2) and is fixedly connected with a rotating column (13). The dust flushing pipe (11) is located inside the first dust flushing pipe (1) and the second dust flushing pipe (2) and is fixedly connected to the rotating column (13). A sliding sleeve (16) is slidably connected to the outer wall of the rotating column (13) and located on the dust-blocking cylinder (17). A rotating arm (14) is symmetrically and movably connected to the outer wall of the rotating column (13) and located inside the dust-blocking cylinder (17). A movable ball (15) is movably connected to one end of the rotating arm (14). Connecting rods are symmetrically and movably connected to both sides of the outer wall of the sliding sleeve (16), and the connecting rods are movably connected to one end of the rotating arm (14) respectively. The inner walls of the dust flushing pipe 1 (1) and the dust flushing pipe 2 (2) are symmetrically fixed with a limiting frame (18). The limiting frame (18) has symmetrical channels on both sides. The limiting frame (18) is slidably connected with a scraper (19) inside the channel. A pressure strip (20) is slidably connected inside the dust flushing pipe one (1) and the dust flushing pipe two (2) and located at the top of the dust blocking cylinder (17). One end of the pressure strip (20) abuts against the top cut surface of the scraper (19), and the other end of the pressure strip (20) abuts against the outer wall of the sliding sleeve (16). A steering mechanism (9) is symmetrically and movably connected to the first branch pipe (3) and the second branch pipe (4). The steering mechanism (9) includes a rotating shaft (901) and a valve cover (903). The valve cover (903) is movably connected to the first branch pipe (3) and the second branch pipe (4), and the two valve covers (903) turn in opposite directions. The rotating shaft (901) is movably connected to the first branch pipe (3) and the second branch pipe (4). The two ends of the rotating shaft (901) are respectively connected to the valve cover (903) inside the first branch pipe (3) and the second branch pipe (4). A clamping strip (902) is sleeved and fixed on the outer wall of the rotating shaft (901). A sliding strip (904) is installed on the side of the clamping strip (902). A control box (7) is fixedly installed on the top of the first branch pipe (3), and the slide bar (904) is located at the bottom of the control box (7). Pressure gauges (8) are installed on the first dust flushing pipe (1) and the second dust flushing pipe (2). The electric push rod at the bottom of the control box (7) actively pushes the slide bar (904) to slide.

2. The dust absorption pipe suitable for an aluminum slag separator according to claim 1, characterized in that, The working method of the matching dust absorption pipeline for the aluminum slag separator is as follows: Dust collection monitoring in pipeline: The air inlet (5) on the branch pipe (3) between dust flushing pipe 1 (1) and dust flushing pipe 2 (2) is connected to the dust duct. Dust-laden flue gas enters dust flushing pipe 1 (1) through branch pipe 1 (3). The transmission component (10) at the top of dust flushing pipe 1 (1) drives the rotating column (13) to rotate. The dust baffle installed on the rotating column (13) rotates to intercept and purify the incoming flue gas. Then, it is discharged into the dust removal equipment through the air outlet (6) on branch pipe 2 (4). The amount of impurities added to the outer wall of the dust baffle is also recorded. As the pressure increases, the efficiency of the flue gas passing through the dust flushing pipe (1) decreases, and at the same time, the air pressure inside the dust flushing pipe (1) increases. The pressure gauge (8) obtains the real-time air pressure value until the air pressure value triggers the air pressure threshold set in the control box (7). At this time, the electric push rod at the bottom of the control box (7) actively pushes the slide bar (904) to slide. Accompanied by the rotation of the shaft (901), the orientation of the valve cover (903) on the branch pipe (3) and the branch pipe (4) is changed, and the flue gas entering through the air inlet (5) enters the dust flushing pipe (2). Dust removal without stopping: When the dust flushing pipe (1) enters the dust removal mode in the idle state, the transmission component (10) increases the rotation speed of the rotating column (13), which causes the rotating ball (15) connected to the rotating arm (14) to increase the rotation angle. At the same time, the top sliding sleeve (16) of the dust blocking cylinder (17) slides down, pressing down the pressure strip (20) on the entire limit frame (18) to contact the high-speed rotating dust blocking cylinder (17), mechanically cleaning the entire dust blocking cylinder (17). At the same time, the air inlet (11) starts to take in air and blows the dust-laden airflow out from the dust outlet (12).

Images