Desulfurization tower with ash taking device

Abstract

This utility model relates to the field of desulfurization tower technology and discloses a desulfurization tower with an ash removal device, including a desulfurization tower body, and a cleaning component for ash removal at the bottom of the desulfurization tower body; the cleaning component includes a scraping mechanism and a spraying mechanism; the scraping mechanism includes a motor and a protective box, the output shaft of the motor is connected to a gear reducer, and the output shaft of the gear reducer is fixed to a first rotating shaft. When the desulfurization tower body is stopped, it is only necessary to open the discharge pipe valve, connect the cleaning liquid outlet to the liquid inlet pipe, and press the switch to control the motor to start. The first conical tooth and the second conical tooth mesh to realize the vertical transmission of power. The scraper makes a circular motion on the bottom of the inner wall of the desulfurization tower body, which can effectively scrape off the ash and dirt attached to the wall surface, ensure the cleanliness of the inside of the desulfurization tower, maintain its good working performance and efficiency, avoid manual entry into the desulfurization tower body for cleaning, and reduce the risk of personnel working in harsh environments.

Description

Technical Field

[0001] This utility model relates to the field of desulfurization tower technology, specifically a desulfurization tower with an ash removal device. Background Technology

[0002] A desulfurization tower is a tower-type device used to treat industrial waste gas for desulfurization. Initially, desulfurization towers were most widely used when constructed of granite. They utilize the principle of water film desulfurization and dust removal and are also known as granite water film desulfurization and dust removal devices or marble water film desulfurization and dust removal devices.

[0003] Desulfurization towers are key equipment for removing harmful gases such as sulfur dioxide from flue gas. With long-term operation, a large amount of ash and scale accumulates on the bottom of the inner wall of the desulfurization tower. This ash and scale not only affects the tower's performance and efficiency, reducing desulfurization effectiveness, but can also lead to equipment malfunctions and increased maintenance costs. Currently, cleaning the ash and scale on the bottom of the inner wall of the desulfurization tower mainly relies on manual methods. When the main body of the desulfurization tower is shut down, workers need to enter the tower and manually scrape off the ash and scale from the walls using tools. The internal environment of the desulfurization tower is harsh, potentially containing toxic and harmful gases, high temperatures, dust, and other hazardous factors. Manual cleaning exposes workers to high safety risks, easily leading to occupational diseases or accidents. Therefore, a desulfurization tower with an ash removal device is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a desulfurization tower with an ash removal device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a desulfurization tower with an ash removal device, comprising a desulfurization tower body, wherein a cleaning component for ash removal is provided at the bottom of the desulfurization tower body;

[0006] The cleaning assembly includes a scraping mechanism and a spraying mechanism;

[0007] The scraping mechanism includes a motor and a protective box. The output shaft of the motor is connected to a gear reducer. The output shaft of the gear reducer is fixed with a first rotating shaft. One end of the first rotating shaft is fixed with a first conical tooth.

[0008] The bottom side of the protective box is rotatably connected to a second rotating shaft via a sealed bearing, and a second conical tooth is fixed at the top of the second rotating shaft, which is engaged with the outside of the first conical tooth.

[0009] Several limiting plates are fixed on the outer side of the second rotating shaft. A limiting groove is opened on one side of the limiting plate, and a scraper that is slidably connected to the bottom of the inner wall of the desulfurization tower body is inserted into the inner side of the limiting groove.

[0010] Preferably, the outer side of the first rotating shaft is rotatably connected to one side of the desulfurization tower body and the protective box via sealed bearings, and the bottom of the motor and gear reducer is fixed to the outer side of the desulfurization tower body via a cross plate.

[0011] Preferably, the top end of the limiting plate is bolted to a cover plate, and a connecting rod fixed to the inner wall of the desulfurization tower body is fixed on one side of the protective box.

[0012] Preferably, the above-mentioned spraying mechanism includes an inlet pipe, a third inlet groove connected to the inlet pipe is provided on the inner side of the connecting rod, and a first inlet groove connected to the third inlet groove is provided inside the second rotating shaft.

[0013] Preferably, the limiting plate has a second infusion tank that communicates with the first infusion tank inside, and a plurality of spray holes are provided on one side of the limiting plate, the spray holes being connected to the second infusion tank.

[0014] Preferably, the second rotating shaft is rotatably connected to one side of the connecting rod via a sealed bearing, and one side of the liquid inlet pipe is fixed to the outside of the desulfurization tower body.

[0015] Preferably, the desulfurization tower body has an air outlet at the top, an air inlet and a manhole on the outside of the desulfurization tower body, and a discharge pipe at the bottom of the desulfurization tower body, with a valve installed on the discharge pipe.

[0016] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0017] 1. When the main body of the desulfurization tower is shut down, simply open the discharge pipe valve, connect the cleaning liquid outlet to the inlet pipe, and press the switch to start the motor. The first and second conical teeth mesh to achieve vertical power transmission. The scraper moves in a circular motion on the bottom of the inner wall of the desulfurization tower, effectively scraping away the dirt and grime adhering to the wall surface, ensuring the cleanliness of the inside of the desulfurization tower, maintaining its good working performance and efficiency, avoiding the need for manual entry into the desulfurization tower for cleaning, reducing the risk of personnel working in harsh environments, and also reducing the damage that manual cleaning may cause to the inner wall of the desulfurization tower, thus extending the service life of the desulfurization tower.

[0018] Second, the scraper removes dirt and grime during rotation, and the cleaning liquid is precisely delivered to the spray hole on one side of the scraper by the liquid delivery tank. The liquid sprayed from the spray hole directly washes the inner wall of the tower, forming a dual cleaning mechanism that combines mechanical scraping and liquid flushing. This can more comprehensively and thoroughly remove dirt and grime from the inner wall of the tower, greatly improve the cleaning effect, ensure the cleanliness of the desulfurization tower, and maintain its good operating performance.

[0019] Third, workers can enter the inside of the desulfurization tower through the manhole. They only need to remove the bolts on one side of the cover plate to take out the damaged scraper from the inside of the limiting groove, then insert the new scraper, and then connect the cover plate with bolts. The whole replacement process is clear and simple to operate. It does not require complicated tools and professional skills, which reduces the requirements for the operator's skill level and improves the replacement efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a first-view structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the protective box structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the scraper structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the infusion tank connection structure of this utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. Desulfurization tower body; 2. Cleaning assembly; 21. Motor; 22. Gear reducer; 23. First rotating shaft; 24. Protective box; 25. Connecting rod; 26. Scraper; 27. Cover plate; 28. Limiting groove; 29. ​​Limiting plate; 210. Spray hole; 211. First conical tooth; 212. Second conical tooth; 213. Liquid inlet pipe; 214. First delivery tank; 215. Second rotating shaft; 216. Second delivery tank; 217. Third delivery tank; 3. Discharge pipe; 4. Manhole; 5. Air inlet; 6. Air outlet. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0029] Example

[0030] Please see Figure 1-5 This utility model provides a technical solution: a desulfurization tower with an ash removal device, including a desulfurization tower body 1, with multiple spray layers (not shown in the figure) inside the tower. Alkaline absorbent is atomized and sprayed into the desulfurization tower body 1. The flue gas comes into countercurrent contact with the atomized droplets, SO2 is absorbed by the liquid film and undergoes a chemical reaction. The desulfurized flue gas passes through a demister to remove the droplets. The bottom of the desulfurization tower body 1 is provided with a cleaning component 2 for ash removal; the cleaning component 2 includes a scraping mechanism and a spraying mechanism.

[0031] The scraping mechanism includes a motor 21 and a protective box 24. The output shaft of the motor 21 is connected to a gear reducer 22, which effectively reduces the speed and increases the torque. The output shaft of the gear reducer 22 is fixed with a first rotating shaft 23, and one end of the first rotating shaft 23 is fixed with a first conical tooth 211. The protective box 24 prevents external substances from contacting the conical tooth. A second rotating shaft 215 is rotatably connected to one side of the bottom of the protective box 24 through a sealed bearing. A second conical tooth 212 is fixed at the top of the second rotating shaft 215 and meshes with the outside of the first conical tooth 211. Several limiting plates 29 are fixed to the outside of the second rotating shaft 215. A limiting groove 28 is opened on one side of the limiting plate 29. A scraper 26 is slidably connected to the bottom of the inner wall of the desulfurization tower body 1 and inserted into the limiting groove 28. The scraper 26 is made of wear-resistant ceramic rubber composite material and is inclined so that its length can be adjusted according to the bottom of the desulfurization tower body 1.

[0032] The outer side of the first rotating shaft 23 is rotatably connected to one side of the desulfurization tower body 1 and the protective box 24 through sealed bearings. The bottom of the motor 21 and the gear reducer 22 are fixed to the outer side of the desulfurization tower body 1 through a horizontal plate. The top end of the limiting plate 29 is connected to the cover plate 27 by bolts. A connecting rod 25 fixed to the inner wall of the desulfurization tower body 1 is fixed on one side of the protective box 24. The connecting rod 25 provides stable support for the protective box 24.

[0033] The liquid spraying mechanism includes an inlet pipe 213, a third liquid delivery groove 217 connected to the inlet pipe 213 is opened inside the connecting rod 25, a first liquid delivery groove 214 connected to the third liquid delivery groove 217 is opened inside the second rotating shaft 215, and a second liquid delivery groove 216 connected to the first liquid delivery groove 214 is opened inside the limiting plate 29. One side of the inlet pipe 213 is connected to the third liquid delivery groove 217 inside the connecting rod 25. The liquid in the third liquid delivery groove 217 flows into the first liquid delivery groove 214 inside the second rotating shaft 215, and then through the second liquid delivery groove 216 inside the limiting plate 29. A grease filling port is provided at the upper end of the second rotating shaft 215, through which lubrication can be performed during regular maintenance.

[0034] Several spray holes 210 are provided on one side of the limiting plate 29. The spray holes 210 are connected to the second liquid delivery tank 216. The liquid sprayed evenly from the spray holes 210 lubricates the contact surface between the scraper 26 and the inner wall of the tower, reducing scraping resistance. On the other hand, the liquid directly washes the inner wall of the tower, assisting in the removal of dirt and improving the cleaning effect. The outer side of the second rotating shaft 215 is rotatably connected to one side of the connecting rod 25 through a sealed bearing. One side of the liquid inlet pipe 213 is fixed to the outer side of the desulfurization tower body 1. The top of the desulfurization tower body 1 is provided with an air outlet 6. The outer side of the desulfurization tower body 1 is provided with an air inlet 5 and a manhole 4. The bottom of the desulfurization tower body 1 is connected to a discharge pipe 3, and a valve is installed on the discharge pipe 3.

[0035] Working principle: High-temperature sulfur-containing flue gas enters through the inlet 5 of the desulfurization tower body 1. After pretreatment, it enters the reaction zone. Multiple spray layers (not shown in the figure) are set inside the tower to atomize and spray alkaline absorbent into the desulfurization tower body 1. The flue gas and the atomized droplets come into countercurrent contact. SO2 is absorbed by the liquid film and undergoes a chemical reaction. The desulfurized flue gas passes through a demister (not shown in the figure) to remove the droplets. After heating, it is discharged from the outlet 6. The gypsum and other sludge generated by the reaction settle to the bottom of the tower with the liquid.

[0036] When the desulfurization tower body 1 is shut down, simply open the valve on the discharge pipe 3, then connect the outlet of the cleaning liquid to the inlet pipe 213, and press the switch to start the motor 21. After the motor 21 starts, its output shaft drives the gear reducer 22 to work. The gear reducer 22 effectively reduces the speed and increases the torque, thereby driving the first rotating shaft 23 to rotate. The first conical tooth 211 fixed at one end of the first rotating shaft 23 meshes with the second conical tooth 212 at the top of the second rotating shaft 215, realizing the vertical transmission of power, so that the second rotating shaft 215 rotates inside the protective box 24. Multiple limiting plates 29 are fixed on the outside of the second rotating shaft 215, and scrapers 26 are inserted into the limiting grooves 28 on one side of the limiting plates 29. As the second rotating shaft 215 rotates, the scrapers 26 make circular motions on the bottom of the inner wall of the desulfurization tower body 1, effectively scraping off the ash and dirt attached to the wall surface.

[0037] External cleaning liquid enters the desulfurization tower body 1 through the inlet pipe 213. One side of the inlet pipe 213 is connected to the third liquid delivery tank 217 inside the connecting rod 25. The liquid in the third liquid delivery tank 217 flows into the first liquid delivery tank 214 inside the second rotating shaft 215, and then through the second liquid delivery tank 216 inside the limiting plate 29, it is evenly distributed to multiple spray holes 210 on one side of the scraper 26. The liquid sprayed evenly from the spray holes 210 lubricates the contact surface between the scraper 26 and the inner wall of the tower, reducing scraping resistance. On the other hand, the liquid directly washes the inner wall of the tower, assisting in the removal of ash and improving the cleaning effect.

[0038] When scraper 26 is worn and needs to be replaced, the worker enters the inside of the desulfurization tower body 1 through manhole 4, only needs to remove the bolts on one side of cover plate 27, take out the damaged scraper 26 from the inside of the limiting groove 28, insert the new scraper 26 into the inside of the limiting groove 28, and use bolts to connect cover plate 27 to one side of limiting plate 29. At this time, the replacement of scraper 26 is completed.

[0039] In summary, when the desulfurization tower body 1 is shut down, it is only necessary to open the discharge pipe 3 valve, connect the cleaning liquid outlet end to the inlet pipe 213, and press the switch to control the motor 21 to start. The first conical tooth 211 and the second conical tooth 212 mesh to achieve vertical power transmission. The scraper 26 makes a circular motion on the bottom of the inner wall of the desulfurization tower body 1, which can effectively scrape off the dirt attached to the wall surface, ensure the cleanliness of the inside of the desulfurization tower, maintain its good working performance and efficiency, avoid manual entry into the desulfurization tower body 1 for cleaning, reduce the risk of personnel working in harsh environments, and also reduce the damage to the inner wall of the desulfurization tower body 1 that may be caused by manual cleaning, thus extending the service life of the desulfurization tower.

[0040] As the scraper 26 rotates, it removes dirt and grime. Under the action of the infusion tank, the external cleaning liquid is precisely delivered to the spray hole 210 on one side of the scraper 26. The liquid sprayed from the spray hole 210 directly washes the inner wall of the tower, forming a dual cleaning mechanism that combines mechanical scraping and liquid flushing. This can more comprehensively and thoroughly remove dirt and grime from the inner wall of the tower, greatly improve the cleaning effect, ensure the cleanliness of the desulfurization tower, and maintain its good operating performance.

[0041] Workers can enter the inside of the desulfurization tower body 1 through manhole 4. They only need to remove the bolts on one side of the cover plate 27 to take out the damaged scraper 26 from the inside of the limiting groove 28, then insert the new scraper 26, and then connect the cover plate 27 with bolts. The whole replacement process is clear and simple to operate, without the need for complicated tools and professional skills, which reduces the requirements for workers' operating level and improves replacement efficiency.

[0042] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A desulfurization tower with an ash removal device, comprising a desulfurization tower body (1), characterized in that: The bottom of the desulfurization tower body (1) is equipped with a cleaning component (2) for ash removal; The cleaning assembly (2) includes a scraping mechanism and a spraying mechanism; The scraping mechanism includes a motor (21) and a protective box (24). The output shaft of the motor (21) is connected to a gear reducer (22). The output shaft of the gear reducer (22) is fixed with a first rotating shaft (23). One end of the first rotating shaft (23) is fixed with a first conical tooth (211). The bottom side of the protective box (24) is rotatably connected to a second rotating shaft (215) via a sealed bearing. The top of the second rotating shaft (215) is fixed with a second conical tooth (212) that meshes with the outside of the first conical tooth (211). Several limiting plates (29) are fixed on the outside of the second rotating shaft (215). A limiting groove (28) is opened on one side of the limiting plate (29). A scraper (26) that is slidably connected to the bottom of the inner wall of the desulfurization tower body (1) is inserted into the inner side of the limiting groove (28).

2. A desulfurization tower with an ash removal device according to claim 1, characterized in that: The outer side of the first rotating shaft (23) is rotatably connected to one side of the desulfurization tower body (1) and the protective box (24) through sealed bearings, and the bottom of the motor (21) and the gear reducer (22) is fixed to the outer side of the desulfurization tower body (1) through a horizontal plate.

3. A desulfurization tower with an ash removal device according to claim 2, characterized in that: The top end of the limiting plate (29) is connected to a cover plate (27) by bolts, and a connecting rod (25) fixed to the inner wall of the desulfurization tower body (1) is fixed on one side of the protective box (24).

4. A desulfurization tower with an ash removal device according to claim 3, characterized in that: The spraying mechanism includes an inlet pipe (213), and a third inlet channel (217) connected to the inlet pipe (213) is provided on the inner side of the connecting rod (25). A first inlet channel (214) connected to the third inlet channel (217) is provided inside the second rotating shaft (215).

5. A desulfurization tower with an ash removal device according to claim 4, characterized in that: The limiting plate (29) has a second infusion tank (216) inside that is connected to the first infusion tank (214), and a plurality of spray holes (210) are provided on one side of the limiting plate (29), and the spray holes (210) are connected to the second infusion tank (216).

6. A desulfurization tower with an ash removal device according to claim 5, characterized in that: The outer side of the second rotating shaft (215) is rotatably connected to one side of the connecting rod (25) through a sealed bearing, and one side of the liquid inlet pipe (213) is fixed to the outer side of the desulfurization tower body (1).

7. A desulfurization tower with an ash removal device according to claim 1, characterized in that: The desulfurization tower body (1) has an air outlet (6) at the top, an air inlet (5) and a manhole (4) on the outside of the desulfurization tower body (1), and a discharge pipe (3) at the bottom of the desulfurization tower body (1). A valve is installed on the discharge pipe (3).

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