Online cleaning device for preventing coking material blockage of asphalt waste gas desulfurization tower

Abstract

The utility model discloses an on-line cleaning device for resisting coking material blockage of an asphalt waste gas desulfurization tower, which relates to the technical field of waste gas desulfurization and comprises a fixed frame and a plurality of tamping rods, the desulfurization tower is fixedly sleeved in the fixed frame, and each scraper is attached to the inner wall of the desulfurization tower. According to the device, through the arranged scrapers and tamping rods, when coking materials are accumulated in the desulfurization tower, the motor is started to drive the connecting plate, the two rotating plates and the two scrapers to rotate, then the two scrapers can scrape off the coking materials on the inner wall of the desulfurization tower, and when the two rotating plates rotate, two first smooth protrusions can be driven to make contact with a plurality of second smooth protrusions, so that the coking materials on the inner wall of the desulfurization tower are scraped off. And the first smooth protrusions can downwards extrude the second smooth protrusions, so that the mounting plate and the multiple tamping rods can smoothly move downwards, the multiple tamping rods can mash the scraped coking materials, the coking materials can be conveniently and smoothly discharged by means of the flushing mechanism, and the situation that the scraped coking materials block the discharging opening, and the discharging efficiency of the coking materials is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas desulfurization, in particular to an on-line cleaning device for preventing coking substances from blocking an asphalt waste gas desulfurization tower. Background Art

[0002] In the process of the modified asphalt production system, the asphalt produced from the tar distillation system enters the modified asphalt reaction tower, stays for 8 - 10 hours at a certain temperature inside the reaction tower for thermal polymerization reaction to increase the coking value and the contents of β resin and α resin of the asphalt, and asphalt coking substances will gradually form on the inner wall of the asphalt reaction tower.

[0003] During the implementation of this application, the applicant found that there are certain drawbacks in the existing asphalt waste gas desulfurization tower during use. Currently, coking is likely to occur during the desulfurization process of the desulfurization tower, resulting in a large amount of coking substances accumulating on the inner wall of the desulfurization tower, and it is relatively difficult to clean the coking substances. Seriously, it will block the outlet pipeline, which will further affect the desulfurization process, not only resulting in low desulfurization efficiency of the desulfurization tower, but also having certain potential safety hazards. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that it is relatively difficult to clean the coking substances in the existing technology, which will further affect the desulfurization process, and to propose an on-line cleaning device for preventing coking substances from blocking an asphalt waste gas desulfurization tower.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An on-line cleaning device for preventing coking substances from blocking an asphalt waste gas desulfurization tower, including a fixed frame and a plurality of ramming rods. The inside of the fixed frame is fixedly sleeved with a desulfurization tower. A cover plate is attached to the top of the desulfurization tower, and a motor is fixedly arranged on the top of the cover plate;

[0007] The output shaft of the motor penetrates through the cover plate and is fixedly provided with a connecting plate. Two rotating plates are fixedly arranged at the bottom of the connecting plate. A scraper is arranged on the side wall of each rotating plate, and each scraper is in contact with the inner wall of the desulfurization tower. A plurality of sliding rods are movably sleeved on the bottom side wall of the desulfurization tower. One end of each sliding rod is fixedly provided with a fixed block, and the other ends of the plurality of sliding rods are jointly fixedly provided with a mounting plate. Each ramming rod is fixedly arranged at the bottom of the mounting plate. First smooth protrusions are fixedly arranged at the bottoms of the two rotating plates, and a plurality of second smooth protrusions are fixedly arranged on the top of the mounting plate. Each first smooth protrusion matches with the second smooth protrusion. A flushing mechanism is arranged at the bottom of the fixed frame, and the flushing mechanism matches with the inner wall of the bottom of the desulfurization tower.

[0008] Preferably, the flushing mechanism includes a water tank, a water pump, a three-way pipe and two conduits. The water tank is fixedly arranged at the bottom of the fixing frame. The water pump is fixedly arranged at the bottom of the water tank. The water inlet end of the water pump penetrates into the interior of the water tank and is fixedly connected to the water tank. The water outlet end of the water pump is fixedly communicated with the water inlet end of the three-way pipe. One ends of the two conduits are respectively fixedly communicated with the two water outlet ends of the three-way pipe. The other ends of the two conduits both penetrate into the interior of the desulfurization tower and are fixedly connected to the desulfurization tower.

[0009] Preferably, a spring is movably sleeved on the rod wall of each sliding rod. One end of each spring is fixedly connected to the bottom of the desulfurization tower, and the other end of each spring is fixedly connected to the corresponding fixing block.

[0010] Preferably, two mounting blocks are fixedly arranged on the side wall of each scraper. A bolt is movably sleeved inside each mounting block. One end of each bolt is threadedly sleeved inside the corresponding rotating plate.

[0011] Preferably, two side plates are fixedly arranged on the side wall of the desulfurization tower. An electric push rod is fixedly arranged on the top of each side plate. The output shaft of each electric push rod is fixedly connected to the cover plate.

[0012] Preferably, a sealing plate is fixedly arranged at the bottom of the cover plate. The sealing plate is hermetically inserted into the upper inner wall of the desulfurization tower. The output shaft of the motor penetrates through the sealing plate and is movably sleeved with the sealing plate.

[0013] Preferably, the bottom end of each ramming rod is conical.

[0014] Preferably, an installation opening is formed in the outer side wall of the desulfurization tower, and an observation window is fixedly arranged on the inner wall of the installation opening.

[0015] Preferably, a sealing rubber ring is fixedly sleeved on the outer wall of each conduit, and each sealing rubber ring is fixedly arranged on the side wall of the desulfurization tower.

[0016] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0017] 1. By providing the scrapers and ramming rods, when coking substances accumulate inside the desulfurization tower, start the motor to drive the connecting plate, the two rotating plates and the two scrapers to rotate. Then the two scrapers can scrape off the coking substances on the inner wall of the desulfurization tower. When the two rotating plates rotate, they can drive the two first smooth protrusions to contact the multiple second smooth protrusions. Then the first smooth protrusions can squeeze the second smooth protrusions downward, so that the mounting plate and the multiple ramming rods can move downward smoothly. Then the multiple ramming rods can crush the scraped coking substances. With the help of the flushing mechanism, the coking substances can be discharged smoothly, preventing the scraped coking substances from blocking the discharge port and affecting the discharge efficiency of the coking substances.

[0018] 2. Through the provided flushing mechanism, which includes a water tank, a water pump, a three-way pipe, and two conduits, when the water pump is started, the water inlet end of the water pump can smoothly draw the water inside the water tank into the three-way pipe and the two conduits. Furthermore, the water inside the two conduits can smoothly flush out the coking substances pounded on the inner wall at the bottom of the desulfurization tower.

[0019] 3. Through the provided multiple springs, the multiple springs are all movably sleeved on the rod walls of the corresponding sliding rods. The two ends of the multiple springs are respectively fixedly connected to the corresponding fixed blocks and the bottom of the desulfurization tower. When the first smooth protrusion contacts the second smooth protrusion, it can push the mounting plate downward and stretch the multiple springs. When the first smooth protrusion disengages from the second smooth protrusion, the multiple springs reset and drive the mounting plate and the multiple ramming rods to reset. Thus, the multiple ramming rods move up and down repeatedly, and the coking substances can be repeatedly pounded. Description of the Drawings

[0020] Figure 1 is the front view of the present utility model;

[0021] Figure 2 is Figure 1 the schematic cross-sectional structure diagram of

[0022] Figure 3 is Figure 1 the rear view of

[0023] Figure 4 is Figure 2 the enlarged view of part A of

[0024] Figure 5 is Figure 2 the schematic connection structure diagram of the mounting plate and multiple second smooth protrusions of

[0025] Description of the reference numerals: 1. Fixed frame; 2. Ramming rod; 3. Desulfurization tower; 4. Cover plate; 5. Motor; 6. Connecting plate; 7. Rotating plate; 8. Scraper; 9. Sliding rod; 10. Fixed block; 11. Mounting plate; 12. First smooth protrusion; 13. Second smooth protrusion; 14. Water tank; 15. Water pump; 16. Three-way pipe; 17. Conduit; 18. Spring; 19. Mounting block; 20. Bolt; 21. Side plate; 22. Electric push rod; 23. Sealing plate; 24. Observation window; 25. Sealing rubber ring. Detailed Embodiment

[0026] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further introduced in detail below with reference to the drawings.

[0027] The embodiment of the present utility model discloses an on-line cleaning device for preventing blockage of coking substances in an asphalt waste gas desulfurization tower.

[0028] Embodiment 1

[0029] The utility model provides an on-line cleaning device for preventing coking material blockage in an asphalt waste gas desulfurization tower as shown in Figures 1-3 Figure 3, which comprises a fixing frame 1 and a plurality of ramming rods 2. A desulfurization tower 3 is fixedly sleeved inside the fixing frame 1. A cover plate 4 is arranged in a fitting manner on the top of the desulfurization tower 3. A motor 5 is fixedly arranged on the top of the cover plate 4;

[0030] The output shaft of the motor 5 penetrates through the cover plate 4 and is fixedly provided with a connecting plate 6. Two rotating plates 7 are fixedly arranged at the bottom of the connecting plate 6. Scrapers 8 are arranged on the side walls of each rotating plate 7. Each scraper 8 is in contact with the inner wall of the desulfurization tower 3. A plurality of sliding rods 9 are movably sleeved on the bottom side wall of the desulfurization tower 3. Fixing blocks 10 are fixedly arranged at one ends of the plurality of sliding rods 9. An installation plate 11 is fixedly arranged at the other ends of the plurality of sliding rods 9 together. Each ramming rod 2 is fixedly arranged at the bottom of the installation plate 11. First smooth protrusions 12 are fixedly arranged at the bottoms of the two rotating plates 7. A plurality of second smooth protrusions 13 are fixedly arranged on the top of the installation plate 11. Each first smooth protrusion 12 is matched with the second smooth protrusion 13. A flushing mechanism is arranged at the bottom of the fixing frame 1. The flushing mechanism is matched with the inner wall of the bottom of the desulfurization tower 3. By using the arranged scrapers 8 and the plurality of ramming rods 2, when the motor 5 is started, the two scrapers 8 can scrape off the coking material on the inner wall of the desulfurization tower 3. When the two rotating plates 7 rotate, they can drive the two first smooth protrusions 12 to contact the plurality of second smooth protrusions 13. Then the first smooth protrusions 12 can squeeze the second smooth protrusions 13 downward, so that the installation plate 11 and the plurality of ramming rods 2 can move downward smoothly. Then the plurality of ramming rods 2 can crush the scraped coking material. With the help of the flushing mechanism, it is convenient to discharge the coking material smoothly, preventing the scraped coking material from blocking the discharge port and affecting the discharge efficiency of the coking material.

[0031] In order to ensure that the water in the two conduits 17 can smoothly flush out the coked material crushed on the inner wall of the bottom of the desulfurization tower 3, as shown in Figures 1-4 Figure 7, the flushing mechanism comprises a water tank 14, a water pump 15, a three-way pipe 16 and two conduits 17. The water tank 14 is fixedly arranged at the bottom of the fixing frame 1. The water pump 15 is fixedly arranged at the bottom of the water tank 14. The water inlet end of the water pump 15 penetrates into the inside of the water tank 14 and is fixedly connected with the water tank 14. The water outlet end of the water pump 15 is fixedly communicated with the water inlet end of the three-way pipe 16. One ends of the two conduits 17 are respectively fixedly communicated with the two water outlet ends of the three-way pipe 16. The other ends of the two conduits 17 both penetrate into the inside of the desulfurization tower 3 and are fixedly connected with the desulfurization tower 3. By using the arranged flushing mechanism, it is ensured that the water in the two conduits 17 can smoothly flush out the coked material crushed on the inner wall of the bottom of the desulfurization tower 3.

[0032] Embodiment 2

[0033] On the basis of Embodiment 1, in order to realize the repeated up and down movement of the plurality of ramming rods 2, so as to be able to repeatedly ram the coking material, as shown inFigures 1-4 As shown, the rod wall of each sliding rod 9 is movably sleeved with a spring 18, one end of each spring 18 is fixedly connected to the bottom of the desulfurization tower 3, and the other end of each spring 18 is fixedly connected to the corresponding fixed block 10. By utilizing the multiple springs 18, the multiple tamping rods 2 can be repeatedly moved up and down, so that the coke can be repeatedly tamped.

[0034] Embodiment 3

[0035] On the basis of the first embodiment, in order to be able to install and disassemble the scraper 8 and to facilitate the replacement of the scraper 8, as shown in FIG. Figure 2 and Figure 4 As shown, two mounting blocks 19 are fixedly provided on the side walls of each scraper 8, and a bolt 20 is movably sleeved inside each mounting block 19. One end of each bolt 20 is threadedly sleeved inside the corresponding rotating plate 7. The scraper 8 can be installed and disassembled by using the provided bolts 20, so that the scraper 8 can be replaced conveniently.

[0036] In order to adjust the positions of the two scrapers 8 and ensure that the two scrapers 8 can act on multiple locations of the inner wall of the desulfurization tower 3, such as Figures 1-4 As shown, two side panels 21 are fixedly provided on the side wall of the desulfurization tower 3, and an electric push rod 22 is fixedly provided on the top of each side panel 21. The output shaft of each electric push rod 22 is fixedly connected to the cover plate 4. The positions of the two scrapers 8 can be adjusted by utilizing the set electric push rods 22 to ensure that the two scrapers 8 can act on multiple positions of the inner wall of the desulfurization tower 3.

[0037] In order to improve the sealing performance between the cover plate 4 and the desulfurization tower 3 and prevent the exhaust gas from overflowing during the desulfurization process, Figures 1-4 As shown, a sealing plate 23 is fixedly provided at the bottom of the cover plate 4, and the sealing plate 23 is sealed and inserted into the upper inner wall of the desulfurization tower 3. The output shaft of the motor 5 passes through the sealing plate 23 and is movably connected to the sealing plate 23. By utilizing the provided sealing plate 23, the sealing between the cover plate 4 and the desulfurization tower 3 can be improved to prevent the exhaust gas from overflowing during the desulfurization process.

[0038] In order to reduce the difficulty of crushing the coke, it is ensured that the multiple tamping rods 2 can crush the coke smoothly. Figure 2 and Figure 4 As shown, the bottom end of each tamping rod 2 is tapered, which can reduce the difficulty of crushing the coke and ensure that the multiple tamping rods 2 can crush the coke smoothly.

[0039] In order to facilitate users to observe the internal conditions of the desulfurization tower 3, Figures 1-4As shown, an installation opening is provided on the outside of the desulfurization tower 3, and an observation window 24 is fixedly arranged on the inner wall of the installation opening. By using the provided observation window 24, it is convenient for users to observe the internal solution situation of the desulfurization tower 3.

[0040] Finally, in order to improve the sealing performance between the two conduits 17 and the desulfurization tower 3 and prevent water leakage at the connection between the two conduits 17 and the desulfurization tower 3, as Figures 1-4 shown, a sealing rubber ring 25 is fixedly sleeved on the outer wall of each conduit 17, and each sealing rubber ring 25 is fixedly arranged on the side wall of the desulfurization tower 3. By using the provided sealing rubber rings 25, the sealing performance between the two conduits 17 and the desulfurization tower 3 can be improved, and water leakage at the connection between the two conduits 17 and the desulfurization tower 3 can be prevented.

Claims

1. An online cleaning device for preventing coke blockage in an asphalt waste gas desulfurization tower, comprising a fixing frame (1) and a plurality of tamping rods (2), characterized in that: A desulfurization tower (3) is fixedly sleeved inside the fixed frame (1), a cover plate (4) is fitted on the top of the desulfurization tower (3), and a motor (5) is fixedly arranged on the top of the cover plate (4); The output shaft of the motor (5) passes through the cover plate (4) and is fixedly provided with a connecting plate (6); two rotating plates (7) are fixedly provided at the bottom of the connecting plate (6); a scraper (8) is provided on the side wall of each rotating plate (7); each scraper (8) is fitted with the inner wall of the desulfurization tower (3); a plurality of sliding rods (9) are movably sleeved on the side wall of the bottom of the desulfurization tower (3); a fixing block (10) is fixedly provided at one end of each of the sliding rods (9); and a fixing block (10) is fixedly provided at the other end of each of the sliding rods (9). A mounting plate (11) is fixedly arranged, each of the tamping rods (2) is fixedly arranged at the bottom of the mounting plate (11), a first smooth protrusion (12) is fixedly arranged at the bottom of the two rotating plates (7), a plurality of second smooth protrusions (13) are fixedly arranged at the top of the mounting plate (11), each of the first smooth protrusions (12) matches with a second smooth protrusion (13), and a flushing mechanism is arranged at the bottom of the fixing frame (1), and the flushing mechanism matches with the inner wall of the bottom of the desulfurization tower (3).

2. The online cleaning device for preventing clogging of coke in asphalt waste gas desulfurization tower according to claim 1 is characterized in that: The flushing mechanism comprises a water tank (14), a water pump (15), a three-way pipe (16) and two conduits (17); the water tank (14) is fixedly arranged at the bottom of the fixing frame (1); the water pump (15) is fixedly arranged at the bottom of the water tank (14); the water inlet end of the water pump (15) penetrates into the interior of the water tank (14) and is fixedly connected to the water tank (14); the water outlet end of the water pump (15) is fixedly connected to the water inlet end of the three-way pipe (16); one end of the two conduits (17) is fixedly connected to the two water outlet ends of the three-way pipe (16) respectively; the other ends of the two conduits (17) penetrate into the interior of the desulfurization tower (3) and are fixedly connected to the desulfurization tower (3).

3. The online cleaning device for preventing asphalt waste gas desulfurization tower from being blocked by coking materials according to claim 1, characterized in that: The rod wall of each sliding rod (9) is movably sleeved with a spring (18), one end of each spring (18) is fixedly connected to the bottom of the desulfurization tower (3), and the other end of each spring (18) is fixedly connected to the corresponding fixed block (10).

4. The online cleaning device for preventing clogging of coke in asphalt waste gas desulfurization tower according to claim 1, characterized in that: Two mounting blocks (19) are fixedly provided on the side wall of each scraper (8), a bolt (20) is movably sleeved inside each mounting block (19), and one end of each bolt (20) is threadedly sleeved inside the corresponding rotating plate (7).

5. The online cleaning device for preventing clogging of coke in asphalt waste gas desulfurization tower according to claim 1 is characterized in that: Two side plates (21) are fixedly arranged on the side wall of the desulfurization tower (3), an electric push rod (22) is fixedly arranged on the top of each side plate (21), and the output shaft of each electric push rod (22) is fixedly connected to the cover plate (4).

6. The online cleaning device for preventing asphalt waste gas desulfurization tower from being blocked by coking materials according to claim 1, characterized in that: A sealing plate (23) is fixedly provided at the bottom of the cover plate (4), and the sealing plate (23) is sealed and plugged into the upper inner wall of the desulfurization tower (3). The output shaft of the motor (5) passes through the sealing plate (23) and is movably sleeved with the sealing plate (23).

7. The online cleaning device for preventing asphalt waste gas desulfurization tower from being blocked by coking materials according to claim 1, characterized in that: The bottom end of each tamping rod (2) is conical.

8. The online cleaning device for preventing asphalt waste gas desulfurization tower from being blocked by coking materials according to claim 1, characterized in that: The desulfurization tower (3) is provided with a mounting opening on its exterior, and an observation window (24) is fixedly provided on the inner wall of the mounting opening.

9. The online cleaning device for preventing the asphalt waste gas desulfurization tower from being blocked by coking materials according to claim 2, characterized in that: The outer wall of each conduit (17) is fixedly sleeved with a sealing rubber ring (25), and each sealing rubber ring (25) is fixedly arranged on the side wall of the desulfurization tower (3).

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