CN218011973U

CN218011973U - Maintain convenient absorption tower

Info

Publication number: CN218011973U
Application number: CN202221712341.8U
Authority: CN
Inventors: 郭学军; 李玉朝; 符海涛; 李文强; 魏韬; 高用军
Original assignee: Linzhou Hexin Casting Industry Co ltd
Current assignee: Linzhou Hexin Casting Industry Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-12-13
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a maintain convenient absorption tower, including absorption tower body and filter screen, the filter screen passes through screw fixed mounting at the absorption tower originally internally, the bottom fixed mounting of absorption tower body has four support columns that are two bisymmetry settings, and the right side fixed mounting of absorption tower body has the blow off pipe, and fixed mounting has the blowoff valve on the blow off pipe. The utility model relates to a rationally, the practicality is good, can clean the ash removal automatically to the lower surface of filter screen, avoid the filtration pore blocking on the filter screen, guarantee that the gas permeability of filter screen is good, can realize better filter effect, and can scrape the dust impurity of adhesion on the absorption tower body inside wall automatically, it is more and the scale deposit to avoid dust impurity to accumulate more on the inside wall of absorption tower body, and can carry out effectual washing cleanness to the inside wall of absorption tower body automatically, do not need staff's manual operation to wash, work load and operating time have been reduced.

Description

Maintain convenient absorption tower

Technical Field

The utility model relates to an absorption tower technical field specifically is a maintain convenient absorption tower.

Background

The absorption tower is a device for realizing absorption operation, and is divided into three types according to the gas-liquid phase contact state, wherein the first type is a plate tower, a bubbling absorption tower and a stirring bubbling absorption tower, and gas is dispersed in a liquid phase in a bubble state; the second type is an ejector, a venturi, a spray tower in which liquid is dispersed in a gas phase in the form of droplets; the third type is a packing absorption tower and a falling film absorption tower in which liquid contacts with gas phase in a film-shaped motion, the flow modes of gas phase and liquid phase in the tower can be countercurrent or cocurrent, countercurrent operation is usually adopted, an absorbent is added to the tower top to flow from top to bottom and contacts with gas flowing from bottom to top, the liquid absorbing the absorbent is discharged from the tower bottom, and the purified gas is discharged from the tower top.

However, when the absorption tower is used, because the filter screen is arranged in the absorption tower, the absorption tower does not have the function of automatically cleaning and removing dust on the lower surface of the filter screen, when the absorption tower is used for a long time, more and more dust impurities can be accumulated on the lower surface of the filter screen, the filter holes on the filter screen can be easily blocked, the filtering effect of the filter screen can be influenced, the dust can be cleaned and removed by manual operation of workers at regular intervals, although the absorption tower can be continuously used after dust is removed, the filter screen after dust is cleaned and removed can accumulate more and more dust after being used for a period of time, the normal use of the filter screen can be influenced, the frequency of cleaning and removing dust on the lower surface of the filter screen by manual operation of the workers is increased, the function of automatically cleaning the inner side wall of the absorption tower is not provided, after the absorption tower is used for a long time, more and more dust impurities can be adhered to the inner side wall of the absorption tower, the workers need to enter the inside of the absorption tower at regular interval and clean the inner side wall of the absorption tower by manual operation of a cleaning tool, the absorption tower, the labor amount and the working time of the workers are increased, the labor intensity of the workers are increased, the labor of the workers, the labor of the workers, the labor and the labor of the workers are more and more labor of the absorption tower is provided, and more maintenance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a maintain convenient absorption tower, the absorption tower commonly used has been solved when using, do not have the function that carries out self-cleaning ash removal to the lower surface of filter screen, when using for a long time, the lower surface of filter screen can gather more and more dust impurity, cause the filtration pore jam on the filter screen easily, and then can influence the filter effect of filter screen, it cleans ash removal to need staff's manual operation to the lower surface of filter screen, and do not have the function that carries out self-cleaning to the inside wall of absorption tower, it washs the inside wall of absorption tower to need staff's regular entering absorption tower inside and handheld cleaning means manual operation, and then the amount of labour and the operating time of staff have increased, staff's intensity of labour is big, energy consumes many problems.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a maintain convenient absorption tower, including absorption tower body and filter screen, the filter screen passes through screw fixed mounting at the absorption tower originally internally, the bottom fixed mounting of absorption tower body has four support columns that are two bisymmetry settings, the right side fixed mounting of absorption tower body has the blow off pipe, fixed mounting has the blowoff valve on the blow off pipe, this internal axle bed that is located the filter screen below that is provided with of absorption tower, the equal fixed mounting in both sides of axle bed has the support horizontal pole, two one end that support the horizontal pole each other and keep away from all with the both sides inner wall fixed connection of absorption tower body, rotate on the axle bed and install the vertical axis, the axle bed is run through to the bottom of vertical axis, the top fixed mounting of vertical axis has the brush-holder stud, the top fixed mounting of brush-holder stud has the brush hair, the brush hair contacts with the bottom of filter screen, be provided with actuating mechanism and clean mechanism on the absorption tower body.

Preferably, the driving mechanism comprises a motor, a driving bevel gear and a driven bevel gear, a round hole is formed in the inner wall of the bottom of the absorption tower body, the round hole is penetrated through the bottom end of the vertical shaft, the motor is fixedly installed at the bottom of the absorption tower body, the driving bevel gear is fixedly installed at the output shaft end of the motor, the driven bevel gear is fixedly sleeved on the vertical shaft and located below the absorption tower body, and the driving bevel gear is meshed with the driven bevel gear.

Preferably, the vertical shaft is fixedly sleeved with a sealing bearing, and an outer ring of the sealing bearing is fixedly connected with the inner wall of the circular hole.

Preferably, the cleaning mechanism includes two connecting horizontal rods, a scraper blade, a horizontal raceway, a vertical raceway, a plurality of shower nozzles and infusion subassembly, two connect the equal fixed mounting of horizontal rod on the right side of vertical axis, two connect horizontal rods all to be located this internal absorption tower, the one end that the vertical axis was kept away from at two connecting horizontal rods to scraper blade fixed mounting, one side that the horizontal rod was kept away from to the scraper blade and the inside wall sliding contact of absorption tower body, horizontal raceway fixed mounting is in the left side of vertical axis, horizontal raceway is located this internal absorption tower, vertical raceway fixed mounting is kept away from the one end of vertical axis at horizontal raceway, horizontal raceway is linked together with vertical raceway, the equal fixed mounting of a plurality of shower nozzles is on vertical raceway and is equidistant vertical arranging, the intake chamber has been seted up to the bottom of vertical axis, horizontal raceway is linked together with the intake chamber.

Preferably, the infusion subassembly includes the water tank, the high pressure water pump, absorb water pipe and drain pipe, water tank fixed mounting is on the left side outer wall of absorption tower body, high pressure water pump fixed mounting is in the bottom of water tank, the one end of the pipe that absorbs water and high pressure water pump's suction end fixed connection, the one end that the pipe that absorbs water kept away from the high pressure water pump extends to in the water tank, the one end of drain pipe and high pressure water pump's discharge end fixed connection, the one end that the high pressure water pump was kept away from to the drain pipe extends to in the intake antrum, fixed mounting has the sealing washer on the inner wall of intake antrum, the drain pipe passes through the sealing washer and the intake antrum rotating seal cooperation, the liquid feeding hole has been seted up at the top of water tank, the end cover is installed to liquid feeding hole internal thread.

Preferably, the drain pipe is fixedly sleeved with a pipe clamp, a supporting rod is fixedly mounted at the top of the pipe clamp, and the top end of the supporting rod is fixedly connected with the bottom of the absorption tower body.

Preferably, two reinforcing rods located below the transverse water conveying pipe are fixedly installed on the left side of the vertical shaft, and one ends, far away from the vertical shaft, of the two reinforcing rods are fixedly connected with the vertical water conveying pipe.

(III) advantageous effects

The utility model provides a maintain convenient absorption tower. The method has the following beneficial effects:

(1) This maintain convenient absorption tower, through the connection cooperation that utilizes actuating mechanism, steerable vertical axis drives the brush-holder stud, the brush hair, two connect the horizontal pole, the scraper blade, horizontal raceway, vertical raceway, a plurality of shower nozzles and two anchor strut are rotatory, utilize the rotation of brush hair, can clean the dust removal automatically to the lower surface of filter screen, avoid dust impurity to gather more at the lower surface of filter screen more and cause its filtration pore to block up, can guarantee the good gas permeability of filter screen, realize better filter effect, utilize the rotation of scraper blade, can scrape the dust impurity of adhesion on the absorption tower body inside wall, avoid dust impurity to gather more and the scale deposit on the inside wall of absorption tower body for a long time.

(2) This maintain convenient absorption tower, through the connection cooperation that utilizes clean mechanism to cooperation actuating mechanism's use, can carry out effectual washing cleanness to the inside wall of absorption tower body, utilize the rotation of scraper blade, can scrape remaining spot, foul solution on the absorption tower body inside wall, and then realized carrying out effectual clear effect of washing to the inside wall of absorption tower body automatically, no longer need staff's manual operation to wash the inside wall of absorption tower body, work load and operating time have been reduced.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the main view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. an absorption tower body; 2. filtering with a screen; 3. a support pillar; 4. a blow-off pipe; 5. a blowoff valve; 6. a shaft seat; 7. a support rail; 8. a vertical axis; 9. a brush bar; 10. brushing; 11. a motor; 12. a driving bevel gear; 13. a driven bevel gear; 14. connecting the cross bars; 15. a squeegee; 16. a transverse water conveying pipe; 17. a vertical water delivery pipe; 18. a spray head; 19. a water inlet groove; 20. a water tank; 21. a high pressure water pump; 22. a suction pipe; 23. a drain pipe; 24. a pipe clamp; 25. and a reinforcing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention, and in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a maintain convenient absorption tower, including absorption tower body 1 and filter screen 2, filter screen 2 passes through screw fixed mounting in absorption tower body 1, the bottom fixed mounting of absorption tower body 1 has four support columns 3 that are two bisymmetry settings, the right side fixed mounting of absorption tower body 1 has blow off pipe 4, fixed mounting has blowoff valve 5 on the blow off pipe 4, be provided with the axle bed 6 that is located filter screen 2 below in the absorption tower body 1, the equal fixed mounting in both sides of axle bed 6 has support horizontal pole 7, two support horizontal pole 7 one end of keeping away from each other all with the both sides inner wall fixed connection of absorption tower body 1, it installs vertical shaft 8 to rotate on the axle bed 6, axle bed 6 is run through to the bottom of vertical shaft 8, the top fixed mounting of vertical shaft 8 has brush-holder 9, brush-holder 9's top fixed mounting has brush hair 10, brush hair 10 contacts with filter screen 2's bottom, be provided with actuating mechanism and cleaning mechanism on the absorption tower body 1, through utilizing actuating mechanism, steerable vertical shaft 8 rotates, and then steerable brush-holder 9 and brush hair 10 rotate, utilize brush hair 10 can clean the lower surface of filter screen 2 to clean, realize the function of carrying out automatic washing of filter screen 2, utilize cleaning mechanism to the inside wall of absorption tower body 1.

In this embodiment, the driving mechanism includes a motor 11, a driving bevel gear 12 and a driven bevel gear 13, a circular hole is formed in the inner wall of the bottom of the absorption tower body 1, the circular hole is penetrated through the bottom end of the vertical shaft 8, the motor 11 is fixedly mounted at the bottom of the absorption tower body 1, the driving bevel gear 12 is fixedly mounted at the output shaft end of the motor 11, the driven bevel gear 13 is fixedly sleeved on the vertical shaft 8 and located below the absorption tower body 1, the driving bevel gear 12 is engaged with the driven bevel gear 13, and the vertical shaft 8 can be controlled to rotate by means of engagement transmission of the driving bevel gear 12 and the driven bevel gear 13.

In this embodiment, fixed cover is equipped with seal bearing on the vertical shaft 8, and seal bearing's outer lane and the inner wall fixed connection of round hole utilize seal bearing, can be sealed the clearance between vertical shaft 8 and the round hole, avoid the foul solution to flow from the clearance between vertical shaft 8 and the round hole.

In this embodiment, the cleaning mechanism includes two connecting horizontal rods 14, scraper 15, horizontal raceway 16, vertical raceway 17, a plurality of shower nozzles 18 and infusion subassembly, two equal fixed mounting of connecting horizontal rod 14 are on the right side of vertical axis 8, two connecting horizontal rods 14 all are located absorption tower body 1, scraper 15 fixed mounting is in the one end that vertical axis 8 was kept away from to two connecting horizontal rod 14, scraper 15 keeps away from one side of connecting horizontal rod 14 and the inside wall sliding contact of absorption tower body 1, horizontal raceway 16 fixed mounting is on the left side of vertical axis 8, horizontal raceway 16 is located absorption tower body 1, vertical raceway 17 fixed mounting is in the one end that vertical axis 8 was kept away from to horizontal raceway 16, horizontal raceway 16 is linked together with vertical raceway 17, a plurality of shower nozzles 18 all fixed mounting are on vertical raceway 17 and are equidistant vertical arrangement, intake groove 19 has been seted up to the bottom of vertical axis 8, horizontal raceway 16 is linked together with intake groove 19, utilize scraper 15, can scrape the dust impurity that adheres to absorption tower body inside wall 1, utilize a plurality of shower nozzles 18, can spray the washing liquid from a plurality of shower nozzles 18 and then to the absorption tower body, the washing tower body can further wash inner wall 1.

In this embodiment, the infusion assembly includes a water tank 20, a high pressure water pump 21, a water suction pipe 22 and a drain pipe 23, the water tank 20 is fixedly installed on the outer wall of the left side of the absorption tower body 1, the high pressure water pump 21 is fixedly installed at the bottom of the water tank 20, one end of the water suction pipe 22 is fixedly connected with the suction end of the high pressure water pump 21, one end of the water suction pipe 22 far away from the high pressure water pump 21 extends into the water tank 20, one end of the drain pipe 23 far away from the high pressure water pump 21 extends into the water inlet tank 19, a sealing ring is fixedly installed on the inner wall of the water inlet tank 19, the drain pipe 23 is in rotary sealing fit with the water inlet tank 19 through the sealing ring, a liquid adding hole is formed in the top of the water tank 20, an end cover is installed in the liquid adding hole, the water tank 20 can be used for storing cleaning liquid, the liquid adding hole and the end cover are used for conveniently supplementing the cleaning liquid into the water tank 20, the cleaning liquid in the water tank 20 can be controlled to be sprayed out from the plurality of spray heads 18 by using the high pressure water pump 21, and the sealing ring can be used for sealing the gap between the drain pipe 23 and the water inlet tank 19 to avoid the cleaning liquid from flowing out from the gap between the drain pipe 23 and the drain pipe 19.

In this embodiment, the fixed cover is equipped with pipe strap 24 on drain pipe 23, and pipe strap 24's top fixed mounting has branch, and the top of branch and the bottom fixed connection of absorption tower body 1 utilize the connection cooperation of pipe strap 24 and branch, can support and consolidate the mounted position of drain pipe 23 for the installation of drain pipe 23 is firm.

In this embodiment, vertical shaft 8's left side fixed mounting has two anchor strut 25 that are located horizontal raceway 16 below, and two anchor strut 25 keep away from vertical shaft 8's one end all with vertical raceway 17 fixed connection, utilize two anchor strut 25, play the effect of consolidating the support to vertical raceway 17 for vertical raceway 17's installation is firm.

In this embodiment, the top end and the bottom end of the vertical water pipe 17 are both closed structures, so that the cleaning liquid can be smoothly discharged from the plurality of spray heads 18.

In this embodiment, the absorption tower body 1 is further provided with a waste gas inlet pipe, an exhaust pipe, an access door, a demister and other parts and other accessories, which all belong to the common general knowledge in the prior art, and therefore, the details thereof are not repeated herein.

In this embodiment, a controller is fixedly mounted on an outer wall of the front side of the water tank 20, a plurality of control buttons are arranged on the controller, the motor 11, the high-pressure water pump 21 and the controller are electrically connected with an external power line through wires in sequence to form a loop, and the plurality of control buttons on the controller can respectively control the motor 11 and the high-pressure water pump 21 to be turned on and turned off.

When the absorption tower is used, when the absorption tower body 1 works, the motor 11 is started to work, the motor 11 drives the driving bevel gear 12 to rotate, the vertical shaft 8 can be controlled to rotate by utilizing the meshing transmission of the driving bevel gear 12 and the driven bevel gear 13, the vertical shaft 8 drives the brush rod 9, the brush bristles 10, the two connecting cross rods 14, the scraper 15, the transverse water pipe 16, the vertical water pipe 17, the plurality of spray heads 18 and the two reinforcing rods 25 to rotate, the lower surface of the filter screen 2 can be automatically cleaned and dedusted by utilizing the rotation of the brush bristles 10, dust and impurities adhered to the lower surface of the filter screen 2 can be cleaned, the phenomenon that the dust and impurities are more accumulated on the lower surface of the filter screen 2 to cause the blockage of filter holes of the filter screen 2 is avoided, the air permeability of the filter screen 2 can be further ensured, the better filtering effect can be realized, the dust and impurities adhered to the inner side wall of the absorption tower body 1 can be scraped by utilizing the rotation of the scraper 15, the phenomenon that more dust and impurities are accumulated on the inner side wall of the absorption tower body 1 for a long time and scale is formed is avoided, when the absorption tower body 1 is not used, the motor 11 is stopped to work, when the inner side wall of the absorption tower body 1 needs to be cleaned, the absorption tower body 1 is stopped to run first, the high-pressure water pump 21 is started to run, cleaning liquid in the water tank 20 sequentially passes through the water suction pipe 22, the high-pressure water pump 21, the water discharge pipe 23, the water inlet tank 19, the transverse water pipe 16 and the vertical water pipe 17, finally the cleaning liquid is sprayed out from the plurality of spray heads 18 at high pressure and is sprayed on the inner side wall of the absorption tower body 1, the vertical shaft 8 can be controlled to drive the brush rod 9, the brush hair 10, the two connecting cross rods 14, the scraper 15, the transverse water pipe 16, the vertical water pipe 17, the plurality of spray heads 18 and the two reinforcing rods 25 to rotate by means of the meshing transmission of the driving bevel gear 12 and the driven bevel gear 13 through the starting of the motor 11, and then utilize the rotation of a plurality of shower nozzles 18, can spray the washing liquid that the high pressure jetted evenly comprehensively on the inside wall of absorption tower body 1, realize washing clear effect to the inside wall of absorption tower body 1, utilize the rotation of scraper blade 15, can scrape remaining spot, foul solution on the inside wall of absorption tower body 1, realized carrying out effectual washing clear effect to the inside wall of absorption tower body 1 automatically, through opening blowoff valve 5, the foul solution in absorption tower body 1 can flow out from blow off pipe 4, after finishing washing the inside wall of absorption tower body 1, close high pressure water pump 21 and motor 11 work, when the foul solution all flows out to outside absorption tower body 1, close blowoff valve 5, the content that does not make detailed description in this specification all belongs to the prior art that the professional skilled person in the art publicly knows simultaneously.

To sum up, can obtain, this maintain convenient absorption tower, can clean the ash removal automatically to the lower surface of filter screen 2, avoid the filtration pore blocking on the filter screen 2, guarantee that the gas permeability of filter screen 2 is good, can realize better filter effect, and can scrape the dust impurity of adhesion on the inside wall of absorption tower body 1 automatically, avoid dust impurity to deposit more and the scale deposit on the inside wall of absorption tower body 1, and can carry out effectual washing cleanness to the inside wall of absorption tower body 1 automatically, do not need staff's manual operation to wash, work load and operating time have been reduced.

Claims

1. The utility model provides a maintain convenient absorption tower, includes absorption tower body (1) and filter screen (2), filter screen (2) are in through screw fixed mounting in absorption tower body (1), its characterized in that: the utility model discloses a novel absorption tower, including absorption tower body (1), support column (3), blow off pipe (4), blowoff valve (5), axle bed (6) that are two bisymmetry settings are provided with in the absorption tower body (1), the equal fixed mounting in both sides of axle bed (6) has support horizontal pole (7), two support horizontal pole (7) the one end of keeping away from each other all with the both sides inner wall fixed connection of absorption tower body (1), rotate on axle bed (6) and install vertical axis (8), the bottom of vertical axis (8) is run through axle bed (6), the top fixed mounting of vertical axis (8) has brush-holder stud (9), the top fixed mounting of brush-holder stud (9) has brush hair (10), brush hair (10) with the bottom of filter screen (2) contacts, be provided with actuating mechanism and cleaning mechanism on the absorption tower body (1).

2. An absorption tower according to claim 1, wherein: the driving mechanism comprises a motor (11), a driving bevel gear (12) and a driven bevel gear (13), a round hole is formed in the inner wall of the bottom of the absorption tower body (1), the bottom end of the vertical shaft (8) penetrates through the round hole, the motor (11) is fixedly installed at the bottom of the absorption tower body (1), the driving bevel gear (12) is fixedly installed at the output shaft end of the motor (11), the driven bevel gear (13) is fixedly sleeved on the vertical shaft (8) and located below the absorption tower body (1), and the driving bevel gear (12) is meshed with the driven bevel gear (13).

3. A conveniently maintained absorption tower according to claim 2, wherein: the vertical shaft (8) is fixedly sleeved with a sealing bearing, and the outer ring of the sealing bearing is fixedly connected with the inner wall of the round hole.

4. A conveniently maintained absorption tower according to claim 1, wherein: the cleaning mechanism comprises two connecting cross rods (14), scrapers (15), a transverse water pipe (16), a vertical water pipe (17), a plurality of spray heads (18) and an infusion assembly, wherein the two connecting cross rods (14) are fixedly mounted on the right side of the vertical shaft (8), the two connecting cross rods (14) are located in the absorption tower body (1), the scrapers (15) are fixedly mounted at one ends, far away from the vertical shaft (8), of the two connecting cross rods (14), one sides, far away from the connecting cross rods (14), of the scrapers (15) are in sliding contact with the inner side wall of the absorption tower body (1), the transverse water pipe (16) is fixedly mounted on the left side of the vertical shaft (8), the transverse water pipe (16) is located in the absorption tower body (1), the vertical water pipe (17) is fixedly mounted at one end, far away from the vertical shaft (8), of the transverse water pipe (16) is communicated with the vertical water pipe (17), the plurality of spray heads (18) are fixedly mounted on the vertical water pipe (17) and are arranged at equal intervals, and water inlet grooves (19) are formed in the bottom ends of the vertical water pipes (8) and are communicated with the water inlet grooves (19).

5. An absorption tower for facilitating maintenance according to claim 4, wherein: the infusion assembly comprises a water tank (20), a high-pressure water pump (21), a water suction pipe (22) and a drain pipe (23), the water tank (20) is fixedly installed on the outer wall of the left side of the absorption tower body (1), the high-pressure water pump (21) is fixedly installed at the bottom of the water tank (20), one end of the water suction pipe (22) is fixedly connected with the suction end of the high-pressure water pump (21), one end, away from the high-pressure water pump (21), of the water suction pipe (22) extends into the water tank (20), one end of the drain pipe (23) is fixedly connected with the discharge end of the high-pressure water pump (21), one end, away from the high-pressure water pump (21), of the drain pipe (23) extends into the water inlet groove (19), a sealing ring is fixedly installed on the inner wall of the water inlet groove (19), the drain pipe (23) is matched with the water inlet groove (19) in a rotating and sealing mode, a liquid feeding hole is formed in the top of the water feeding hole, and an end cover is installed in the inner thread of the liquid feeding hole.

6. An absorption tower according to claim 5, wherein: the fixed cover is equipped with pipe strap (24) on drain pipe (23), the top fixed mounting of pipe strap (24) has branch, the top of branch with the bottom fixed connection of absorption tower body (1).

7. An absorption tower for facilitating maintenance according to claim 4, wherein: two reinforcing rods (25) positioned below the transverse water conveying pipe (16) are fixedly mounted on the left side of the vertical shaft (8), and one ends, far away from the vertical shaft (8), of the two reinforcing rods (25) are fixedly connected with the vertical water conveying pipe (17).