CN114593517A

CN114593517A - Efficient dedusting and filtering hospital ventilating duct

Info

Publication number: CN114593517A
Application number: CN202210282397.2A
Authority: CN
Inventors: 龚光明
Original assignee: Shenzhen Hong Kong Jianwei Air Duct Engineering Shenzhen Co ltd
Current assignee: Shenzhen Hong Kong Jianwei Air Duct Engineering Shenzhen Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-06-07

Abstract

The application relates to the field of ventilation pipelines, and relates to a hospital ventilation pipeline with high-efficiency dust removal and filtration, which comprises a ventilation pipeline body and a filter screen fixedly connected in the ventilation pipeline body, wherein a cleaning part for cleaning the filter screen is arranged on the ventilation pipeline body, and the cleaning part comprises a first screw rod vertically penetrating through the ventilation pipeline body, a motor fixedly connected to the ventilation pipeline body and a cleaning plate sleeved on the first screw rod in a threaded manner; the first screw is rotatably connected with the ventilation pipeline body, a first conical gear fixedly connected with an output shaft of the motor is sleeved on the output shaft of the motor, a second conical gear fixedly connected with the first screw is sleeved on the first screw, and the second conical gear is meshed with the first conical gear; the side wall of the cleaning plate is contacted with the side wall of the filter screen; the ventilating duct body is fixedly connected with a storage battery, and the storage battery is electrically connected with the motor through a conducting wire. This application has improved the lower problem of staff's cleaning efficiency.

Description

Efficient dedusting and filtering hospital ventilating duct

Technical Field

The application relates to the field of ventilation pipelines, in particular to a hospital ventilation pipeline with high-efficiency dust removal and filtration.

Background

The ventilation pipeline is a municipal infrastructure for circulating air and reducing the concentration of harmful gases. The ventilation pipe is made and installed by using plates, profiles and other main finished product materials, which are in accordance with the regulations of the national current standard of design and related products, and are certified by factory inspection, and the materials are accepted according to the national current relevant standard when entering the field.

The related art can refer to the chinese utility model patent with publication number CN213514284U, the air sterilizing device for the ventilation pipeline comprises a ventilation pipeline, an ultra-low resistance high-efficiency and medium-efficiency filter, a light plasma generator, a fan power system and a control system, the ultra-low resistance high-efficiency and medium-efficiency filter, the light plasma generator, the fan power system and the control system are sequentially arranged in the ventilation pipeline, the light plasma generator is fixedly arranged on the inner wall of the ventilation pipeline, the control system is fixedly arranged on the inner wall of the ventilation pipeline, the light plasma generator is arranged on the windward side of the ultra-low resistance high-efficiency and medium-efficiency filter, the ultra-low resistance high-efficiency and medium-efficiency filter comprises an installation frame and a filtering material, the filtering material is detachably arranged on the installation frame, the filtering material is an electret filtering material, the electret filtering material can filter suspended particles, aerosol is filtered, and the installation frame is detachably arranged on the inner wall of the ventilation pipeline.

To foretell correlation technique, after a period, it has more dust to pile up on the filtering material, needs the staff to take out filtering material from air pipe, then clears up filtering material, and staff's operating procedure is comparatively loaded down with trivial details to air pipe generally installs at indoor top, and the staff is extremely inconvenient to filtering material's dismantlement, leads to staff's cleaning efficiency to be lower.

Disclosure of Invention

In order to improve the lower problem of staff's cleaning efficiency, this application provides a filterable hospital's air pipe of high-efficient dust removal.

The application provides a pair of high-efficient dust removal filterable hospital air pipe adopts following technical scheme:

a hospital ventilation duct capable of efficiently dedusting and filtering comprises a ventilation duct body and a filter screen fixedly connected in the ventilation duct body, wherein a cleaning part for cleaning the filter screen is installed on the ventilation duct body, and the cleaning part comprises a first screw rod vertically penetrating through the ventilation duct body, a motor fixedly connected to the ventilation duct body and a cleaning plate sleeved on the first screw rod in a threaded manner; the first screw rod is rotatably connected with the ventilation pipeline body, a first conical gear fixedly connected with an output shaft of the motor is sleeved on the output shaft of the motor, a second conical gear fixedly connected with the first screw rod is sleeved on the first screw rod, and the second conical gear is meshed with the first conical gear; the side wall of the cleaning plate is contacted with the side wall of the filter screen; the ventilating duct body is fixedly connected with a storage battery, and the storage battery is electrically connected with the motor through a wire.

Through adopting above-mentioned technical scheme, starter motor, motor drive first conical gear rotates, and first conical gear drives second conical gear and rotates, and second conical gear drives first screw rod and rotates, and first screw rod drives clearance board vertical removal for the clearance board can clear up the dust on the filter screen, has reduced the staff and has carried out the work step of dismantling to the filter screen, has improved the lower problem of staff's cleaning efficiency.

Preferably, the ventilating duct body is provided with a water spraying part for spraying water to the filter screen, and the water spraying part comprises a water storage tank fixedly connected to the ventilating duct body, a first water pump fixedly connected to the ventilating duct body, a water spraying pipe fixedly connected to the cleaning plate and a nozzle fixedly connected to the water spraying pipe; the water inlet end of the first water pump is fixedly connected with the water storage tank through a water inlet pipe, and the water outlet end of the first water pump is fixedly connected with the water spray pipe through a water outlet pipe; the first water pump is electrically connected with the storage battery through a lead.

Through adopting above-mentioned technical scheme, start first water pump, first water pump draws water from the cistern through the inlet tube, and rivers spout from the nozzle in going on the spray pipe through the outlet pipe, and further clear up the dust on the filter screen to further improvement the lower problem of staff cleaning efficiency.

Preferably, the ventilation duct body is provided with a transmission part, and the transmission part comprises a second screw rod vertically penetrating through the ventilation duct body, a first gear sleeved on the second screw rod and fixedly connected with the second screw rod, and a second gear sleeved on the first screw rod and fixedly connected with the first screw rod; the second screw is rotatably connected with the ventilating duct body, the first gear is meshed with the second gear, a transmission block is sleeved on the second screw in a threaded manner, and a limiting rod is fixedly connected to the ventilating duct body and penetrates through the transmission block; the water pump is characterized in that a first contact is arranged on the transmission block, the first contact is electrically connected with the first water pump through a lead, a second contact is arranged on the limiting rod, the second contact is electrically connected with the storage battery through a lead, and the second contact is matched with the first contact for use.

Through adopting above-mentioned technical scheme, at first screw rod pivoted in-process, first screw rod drives the second gear and rotates, the second gear drives first gear and rotates, first gear drives the second screw rod and rotates, the second screw rod drives the vertical removal of transmission piece, the transmission piece drives first contact and moves, when first contact and second contact, the battery can be circular telegram to first water pump, after clearance board motion a period, the nozzle is cleared up the filter screen again, the emergence that the dust is difficult to the clearance condition after piling up for a long time has been reduced.

Preferably, the limiting rod is provided with an elastic part, and the elastic part comprises a fixing plate fixedly connected to the limiting rod, a first spring fixedly connected to the fixing plate and a contact block fixedly connected to the first spring; the second contact is disposed on the contact block.

Through adopting above-mentioned technical scheme, when first contact and second contact, first screw rod continues to rotate, and the transmission piece promotes the contact piece and removes, and the cleaning plate still can remove this moment, and when rivers assaulted the filter screen, the dust on the filter screen was scraped to the cleaning plate, and further reduction the dust is piled up the emergence that the back is difficult to the clearance condition for a long time.

Preferably, the bottom of air pipe body has been seted up the delivery port, the bottom fixedly connected with header tank of air pipe body, the water inlet that link up with the delivery port is seted up at the top of header tank.

Through adopting above-mentioned technical scheme, rivers in the air pipe body enter into the water collecting tank through the delivery port, have reduced the emergence that rivers pile up the condition in the air pipe body.

Preferably, the ventilation pipeline body is fixedly connected with a second water pump, and the second water pump is respectively and fixedly connected with the water collecting tank and the water storage tank through connecting pipes.

Through adopting above-mentioned technical scheme, start the second water pump, rivers in the collecting tank pass through the connecting pipe and enter into the cistern to realize the cyclic utilization of rivers, practiced thrift moisture.

Preferably, an inclined plane for drainage is formed on the inner bottom surface of the ventilation pipeline body, and a filter plate is fixedly connected in the water outlet.

Through adopting above-mentioned technical scheme, rivers in the air pipe body can follow the inclined plane and enter into the water-collecting tank, and the filter can filter rivers, has reduced the emergence that the dust enters into the condition in the cistern.

Preferably, the end surfaces of the two ends of the cleaning plate are respectively provided with a mounting groove, the two ends of the cleaning plate are respectively provided with an extension part, and each extension part comprises a second spring fixedly connected to the inner wall of the mounting groove and an extension plate slidably placed in the mounting groove; the second spring and extension plate fixed connection, fixedly connected with scraper blade on the extension plate, the extending direction of scraper blade is the same with the extending direction of air pipe body, the lateral wall of scraper blade and the inner wall butt of air pipe body.

Through adopting above-mentioned technical scheme, at the in-process that the clearance board removed, the clearance board drove the extension plate and removes, and the extension plate drives the scraper blade and removes, and the scraper blade can be cleared up the dust on air pipe body inner wall, has reduced the dust and has piled up the emergence of the condition on air pipe body inner wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the dust cleaning device, the cleaning plate is arranged, the motor is started, the motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the first screw to rotate, and the first screw drives the cleaning plate to vertically move, so that the cleaning plate can clean dust on the filter screen, working steps of workers for disassembling the filter screen are reduced, and the problem of low cleaning efficiency of the workers is solved;

2. according to the dust cleaning device, the water spraying pipe and the nozzle are arranged, the first water pump is started, the first water pump pumps water from the water storage tank through the water inlet pipe, water flow is sprayed out of the water spraying pipe through the water outlet pipe, and finally the water flow is sprayed out of the nozzle, so that dust on the filter screen is further cleaned, and the problem that cleaning efficiency of workers is low is further solved;

3. this application is through setting up transmission part, at first screw rod pivoted in-process, first screw rod drives the second gear and rotates, the second gear drives first gear and rotates, first gear drives the second screw rod and rotates, the second screw rod drives the vertical removal of transmission piece, the transmission piece drives first contact and moves, when first contact and second contact, the battery can be circular telegram to first water pump, after clearance board motion a period, the nozzle is cleared up the filter screen again, the emergence that the dust is difficult to the clearance condition after piling up for a long time has been reduced.

Drawings

Fig. 1 is an overall structural schematic diagram of a hospital ventilation duct with high-efficiency dust removal and filtration according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a cleaning member according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a transmission member according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a water spray member according to an embodiment of the present application.

Fig. 5 is a schematic structural view of an extension member according to an embodiment of the present application.

Description of the reference numerals: 1. a ventilation duct body; 11. a filter screen; 12. a water outlet; 121. a filter plate; 13. a bevel; 2. cleaning the component; 21. a first screw; 22. a motor; 23. cleaning the plate; 231. mounting grooves; 24. a first bevel gear; 25. a second bevel gear; 26. a storage battery; 3. a water spraying member; 31. a water storage tank; 32. a first water pump; 33. a water spray pipe; 34. a nozzle; 35. a water inlet pipe; 36. a water outlet pipe; 4. a transmission member; 41. a second screw; 42. a first gear; 43. a second gear; 44. a transmission block; 45. a limiting rod; 46. a first contact; 47. a second contact; 5. an elastic member; 51. a fixing plate; 52. a first spring; 53. a contact block; 6. a water collection tank; 61. a water inlet; 62. a second water pump; 63. a connecting pipe; 7. an extension member; 71. a second spring; 72. an extension plate; 73. a scraper.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses filterable hospital's air pipe of high-efficient dust removal. Referring to fig. 1 and 2, filterable hospital's air pipe of high-efficient dust removal includes air pipe body 1, and air pipe body 1 is the level setting, and air pipe body 1's vertical cross-section is square, fixedly connected with filter screen 11 in the air pipe body 1, and filter screen 11 is vertical setting, and filter screen 11 is arranged in filtering the dust in the air pipe body 1. The ventilation pipeline body 1 is provided with a cleaning component 2, and the cleaning component 2 comprises a first screw 21 and a cleaning plate 23; the first screw 21 vertically penetrates through the ventilation pipeline body 1, and the first screw 21 is rotationally connected with the ventilation pipeline body 1; the threaded sleeve of the cleaning plate 23 is arranged on the first screw rod 21, the cleaning plate 23 is horizontally placed in the ventilating duct body 1, the side wall of the cleaning plate 23 is in contact with the side wall of the filtering screen 11, the first screw rod 21 is rotated, the first screw rod 21 drives the cleaning plate 23 to vertically move, so that the cleaning plate 23 can clean dust on the filtering screen 11, the working steps of disassembling the filtering screen 11 by workers are reduced, and the problem of low cleaning efficiency of the workers is solved.

Referring to fig. 2 and 3, the cleaning part 2 further includes a motor 22, a first bevel gear 24, a second bevel gear 25, and a storage battery 26; the motor 22 is fixedly connected to the top of the ventilation duct body 1, and an output shaft of the motor 22 is horizontally arranged; the first bevel gear 24 is sleeved on an output shaft of the motor 22, the first bevel gear 24 is fixedly connected with the output shaft of the motor 22, the motor 22 is started, and the motor 22 drives the first bevel gear 24 to rotate; the second bevel gear 25 is sleeved on the first screw 21, the second bevel gear 25 is fixedly connected with the first screw 21, the second bevel gear 25 is meshed with the first bevel gear 24, the first bevel gear 24 drives the second bevel gear 25 to rotate, and the second bevel gear 25 drives the first screw 21 to rotate, so that the filter screen 11 can be cleaned, and the operation steps of workers are reduced; the storage battery 26 is fixedly connected to the top of the ventilation duct body 1, the storage battery 26 is electrically connected with the motor 22 through a conducting wire, and the storage battery 26 supplies power to the motor 22.

Referring to fig. 2 and 4, the ventilation duct body 1 is provided with a water spraying part 3, and the water spraying part 3 comprises a water storage tank 31, a first water pump 32, a water spraying pipe 33, a nozzle 34, a water inlet pipe 35 and a water outlet pipe 36; the water storage tank 31 is fixedly connected to the top of the ventilation pipeline body 1; the first water pump 32 is fixedly connected to the top of the ventilation duct body 1, the first water pump 32 is electrically connected with the storage battery 26 through a conducting wire, the ventilation duct body 1 is provided with the transmission part 4, and the transmission part 4 can be used for controlling the storage battery 26 to electrify the first water pump 32; the water spraying pipe 33 is fixedly connected to the top of the cleaning plate 23, the water spraying pipe 33 is horizontally arranged, the water spraying pipe 33 is parallel to the cleaning plate 23, and the cleaning plate 23 drives the water spraying pipe 33 to move in the moving process of the cleaning plate 23; the nozzles 34 are fixedly connected to the water spray pipes 33, a plurality of nozzles 34 are arranged, and the nozzles 34 are arranged towards the filter screen 11; the water inlet pipe 35 is fixedly connected to the water inlet end of the first water pump 32, and one end of the water inlet pipe 35, which is far away from the first water pump 32, is fixedly connected with the water storage tank 31; the water outlet pipe 36 is fixedly connected with the water outlet end of the first water pump 32, the water outlet pipe 36 is fixedly connected with the water spray pipe 33, and the water outlet pipe 36 can be stretched; the first water pump 32 is started, the first water pump 32 pumps water from the water storage tank 31 through the water inlet pipe 35, water flows to the water spraying pipe 33 through the water outlet pipe 36, and finally the water is sprayed out from the nozzle 34, and dust on the filter screen 11 is further cleaned.

Referring to fig. 1 and 2, a water outlet 12 is formed in the bottom of the ventilation duct body 1, and water in the ventilation duct body 1 can flow out from the water outlet 12; an inclined plane 13 is formed on the inner bottom surface of the ventilation pipeline body 1, and water flow in the ventilation pipeline body 1 can flow along the inclined plane 13 to guide the water flow; a filter plate 121 is fixedly connected in the water outlet 12, and the filter plate 121 filters water flow; the bottom of the ventilation pipeline body 1 is fixedly connected with the water collecting tank 6, the top of the water collecting tank 6 is provided with a water inlet 61 communicated with the water outlet 12, water flow enters the water collecting tank 6 through the water inlet 61, the water collecting tank 6 collects water, and the situation that the water flow is accumulated in the ventilation pipeline body 1 is reduced; fixedly connected with second water pump 62 on the ventilation duct body 1, second water pump 62 pass through connecting pipe 63 respectively with header tank 6 and water storage box 31 fixed connection, start second water pump 62, during rivers in the header tank 6 entered into water storage box 31 through connecting pipe 63 to realize the cyclic utilization of rivers, practiced thrift moisture.

Referring to fig. 3 and 4, the transmission part 4 includes a second screw 41, a first gear 42, a second gear 43, a transmission block 44, a limit lever 45, a first contact 46, and a second contact 47; the second screw rod 41 vertically penetrates through the top of the ventilation pipeline body 1, and the second screw rod 41 is rotatably connected with the ventilation pipeline body 1; the first gear 42 is sleeved on the second screw rod 41, and the first gear 42 is fixedly connected with the second screw rod 41; the second gear 43 is sleeved on the first screw 21, the second gear 43 is fixedly connected with the first screw 21, the second gear 43 is meshed with the first gear 42, the radius of the second gear 43 is smaller than that of the first gear 42, the first screw 21 drives the second gear 43 to rotate, the second gear 43 drives the first gear 42 to rotate, the first gear 42 drives the second screw 41 to rotate, and the rotating speed of the second screw 41 can be reduced; the transmission block 44 is sleeved on the second screw rod 41 in a threaded manner; the limiting rod 45 is fixedly connected to the top of the ventilation duct body 1, the limiting rod 45 vertically penetrates through the transmission block 44, the limiting rod 45 limits the transmission block 44, and the second screw 41 drives the transmission block 44 to vertically move; the first contact 46 is arranged at the top of the transmission block 44, the first contact 46 is electrically connected with the first water pump 32 through a conducting wire, and the transmission block 44 drives the first contact 46 to move; second contact 47 sets up on gag lever post 45, and second contact 47 passes through the wire with battery 26 and is connected, and second contact 47 uses with first contact 46 cooperation, and when first contact 46 and second contact 47 contact, battery 26 can be to first water pump 32 circular telegram, and after clearance board 23 motion a period, nozzle 34 clears up filter screen 11 again, has reduced the dust and has piled up the emergence of the difficult clearance condition after for a long time.

Referring to fig. 3 and 4, the elastic member 5 is mounted on the limiting rod 45, and the elastic member 5 includes a fixing plate 51, a first spring 52 and a contact block 53; the fixed plate 51 is fixedly connected to the top of the limiting rod 45; the first spring 52 is fixedly connected to the bottom of the fixed plate 51; contact block 53 fixed connection is in the bottom of first spring 52, second contact 47 sets up on contact block 53, after first contact 46 and second contact 47 contact, first screw rod 21 continues to rotate, driving block 44 promotes contact block 53 rebound, first spring 52 is the compression form, cleaning plate 23 still can move this moment, when rivers strike filter screen 11, cleaning plate 23 scrapes the dust on the filter screen 11, further reduction the dust pile up the emergence of the difficult clearance condition after for a long time.

Referring to fig. 2 and 5, the end surfaces of both ends of the cleaning plate 23 are horizontally provided with mounting grooves 231, both ends of the cleaning plate 23 are provided with extension members 7, and each extension member 7 includes a second spring 71, an extension plate 72 and a scraper 73; the second spring 71 is fixedly connected to the inner wall of the mounting groove 231; the extension plate 72 is placed in the installation groove 231 in a sliding mode, the extension plate 72 is fixedly connected with the second spring 71, the extension plate 72 extends to the outer side of the cleaning plate 23, and the cleaning plate 23 drives the extension plate 72 to move; scraper blade 73 fixed connection is on extension plate 72's lateral wall, and scraper blade 73 is the level setting, and scraper blade 73 is perpendicular with cleaning plate 23, and scraper blade 73's lateral wall and ventilation pipe body 1's inner wall butt, extension plate 72 drive scraper blade 73 and move, and scraper blade 73 can clear up the dust on ventilation pipe body 1 inner wall, has reduced the dust and has piled up the emergence of the condition on ventilation pipe body 1 inner wall.

The implementation principle of the hospital ventilation pipeline with high-efficiency dust removal and filtration is as follows: when the filter screen 11 needs to be cleaned, the motor 22 is started firstly, the motor 22 drives the first bevel gear 24 to rotate, the first bevel gear 24 drives the second bevel gear 25 to rotate, the second bevel gear 25 drives the first screw 21 to rotate, the first screw 21 drives the cleaning plate 23 to vertically move, the cleaning plate 23 cleans dust on the filter screen 11, the cleaning plate 23 drives the extension plate 72 to move, the extension plate 72 drives the scraper 73 to move, and the scraper 73 cleans dust on the inner wall of the ventilation duct body 1, so that working steps of disassembling the filter screen 11 by workers are reduced, and the problem of low cleaning efficiency of the workers is solved; meanwhile, the first screw 21 drives the second gear 43 to rotate, the second gear 43 drives the first gear 42 to rotate, the first gear 42 drives the second screw 41 to rotate, the second screw 41 drives the transmission block 44 to vertically move, the transmission block 44 drives the first contact 46 to move, when the first contact 46 is in contact with the second contact 47, the storage battery 26 can electrify the first water pump 32, the first water pump 32 pumps water from the water storage tank 31 through the water inlet pipe 35, water flow is carried out to the water spray pipe 33 through the water outlet pipe 36, and finally the water flow is sprayed out from the nozzle 34, so that dust on the filter screen 11 is further cleaned; the first screw 21 continues to rotate, the transmission block 44 pushes the contact block 53 to move, the first spring 52 is in a compressed state, and the first contact 46 and the second contact 47 continuously contact; the water flow in the ventilation pipeline body 1 flows out from the water outlet 12, the filter plate 121 filters the water flow, the water flow enters the water collecting tank 6 through the water inlet 61, and the water collecting tank 6 collects water, so that the condition that the water flow is accumulated in the ventilation pipeline body 1 is reduced; and finally, the second water pump 62 is started, and the water flow in the water collecting tank 6 enters the water storage tank 31 through the connecting pipe 63, so that the water flow is recycled, and the water is saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a filterable hospital's air pipe of high-efficient dust removal, includes air pipe body (1) and filter screen (11) of fixed connection in air pipe body (1), its characterized in that: the air duct body (1) is provided with a cleaning component (2) for cleaning the filter screen (11), and the cleaning component (2) comprises a first screw rod (21) vertically penetrating through the air duct body (1), a motor (22) fixedly connected to the air duct body (1) and a cleaning plate (23) sleeved on the first screw rod (21) in a threaded manner; the first screw (21) is rotatably connected with the ventilation pipeline body (1), a first conical gear (24) fixedly connected with an output shaft of the motor (22) is sleeved on an output shaft of the motor (22), a second conical gear (25) fixedly connected with the first screw (21) is sleeved on the first screw (21), and the second conical gear (25) is meshed with the first conical gear (24); the side wall of the cleaning plate (23) is contacted with the side wall of the filter screen (11); the ventilating duct is characterized in that a storage battery (26) is fixedly connected to the ventilating duct body (1), and the storage battery (26) is electrically connected with the motor (22) through a lead.

2. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 1, characterized in that: the air duct body (1) is provided with a water spraying part (3) for spraying water to the filter screen (11), and the water spraying part (3) comprises a water storage tank (31) fixedly connected to the air duct body (1), a first water pump (32) fixedly connected to the air duct body (1), a water spraying pipe (33) fixedly connected to the cleaning plate (23) and a nozzle (34) fixedly connected to the water spraying pipe (33); the water inlet end of the first water pump (32) is fixedly connected with the water storage tank (31) through a water inlet pipe (35), and the water outlet end of the first water pump (32) is fixedly connected with the water spray pipe (33) through a water outlet pipe (36); the first water pump (32) is electrically connected with the storage battery (26) through a lead.

3. The hospital ventilation duct with high dust removal and filtration performance according to claim 2, characterized in that: the ventilating duct comprises a ventilating duct body (1), wherein a transmission part (4) is installed on the ventilating duct body (1), and the transmission part (4) comprises a second screw rod (41) vertically penetrating through the ventilating duct body (1), a first gear (42) sleeved on the second screw rod (41) and fixedly connected with the second screw rod (41), and a second gear (43) sleeved on the first screw rod (21) and fixedly connected with the first screw rod (21); the second screw rod (41) is rotatably connected with the ventilation pipeline body (1), the first gear (42) is meshed with the second gear (43), a transmission block (44) is sleeved on the second screw rod (41) in a threaded manner, a limiting rod (45) is fixedly connected to the ventilation pipeline body (1), and the limiting rod (45) penetrates through the transmission block (44); the water pump is characterized in that a first contact (46) is arranged on the transmission block (44), the first contact (46) is electrically connected with the first water pump (32) through a lead, a second contact (47) is arranged on the limiting rod (45), the second contact (47) is electrically connected with the storage battery (26) through a lead, and the second contact (47) is matched with the first contact (46) for use.

4. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 3, characterized in that: an elastic part (5) is mounted on the limiting rod (45), and the elastic part (5) comprises a fixing plate (51) fixedly connected to the limiting rod (45), a first spring (52) fixedly connected to the fixing plate (51) and a contact block (53) fixedly connected to the first spring (52); the second contact (47) is arranged on the contact block (53).

5. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 2, characterized in that: water outlet (12) have been seted up to the bottom of air pipe body (1), bottom fixedly connected with header tank (6) of air pipe body (1), water inlet (61) that link up with water outlet (12) are seted up at the top of header tank (6).

6. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 5, characterized in that: fixedly connected with second water pump (62) on ventilation duct body (1), second water pump (62) all through connecting pipe (63) respectively with header tank (6) and water storage box (31) fixed connection.

7. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 6, characterized in that: the inner bottom surface of the ventilating duct body (1) is provided with an inclined plane (13) for drainage, and the water outlet (12) is internally and fixedly connected with a filter plate (121).

8. The hospital ventilation duct with high efficiency dust removal and filtration according to claim 1, characterized in that: the cleaning device is characterized in that mounting grooves (231) are formed in the end faces of two ends of the cleaning plate (23), extension parts (7) are mounted at two ends of the cleaning plate (23), and each extension part (7) comprises a second spring (71) fixedly connected to the inner wall of each mounting groove (231) and an extension plate (72) placed in each mounting groove (231) in a sliding mode; second spring (71) and extension plate (72) fixed connection, fixedly connected with scraper blade (73) on extension plate (72), the extending direction of scraper blade (73) is the same with the extending direction of air pipe body (1), the lateral wall of scraper blade (73) and the inner wall butt of air pipe body (1).