CN113819552B - Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating - Google Patents

Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating Download PDF

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Publication number
CN113819552B
CN113819552B CN202111034602.5A CN202111034602A CN113819552B CN 113819552 B CN113819552 B CN 113819552B CN 202111034602 A CN202111034602 A CN 202111034602A CN 113819552 B CN113819552 B CN 113819552B
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Prior art keywords
ring
fixedly connected
pipe
water
chimney
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CN113819552A (en
Inventor
张朋修
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Hebei Duchuang Electromechanical Engineering Co ltd
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Hebei Duchuang Electromechanical Engineering Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/003Ventilation in combination with air cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0254Ducting arrangements characterised by their mounting means, e.g. supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/117Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
    • F24F8/133Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering by direct contact with liquid, e.g. with sprayed liquid

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the technical field of ventilation pipelines, and provides a ventilation pipeline for preventing particles from entering an inner part to deposit and accumulate, wherein the ventilation pipeline has the advantages that the particles in high-altitude atmosphere are not easy to enter an upright chimney, the air circulation speed is high, the operation efficiency is high, and meanwhile, the air circulated in the upright chimney carries less heat.

Description

Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating
Technical Field
The invention relates to the technical field of ventilation pipelines, in particular to a ventilation pipeline capable of preventing particles from entering the interior and depositing and accumulating.
Background
As is well known, a ventilation duct is an infrastructure for accelerating the flow of air to circulate air and reduce the concentration of harmful gases, and is widely used in ventilation and air conditioning engineering of industrial and civil buildings.
The existing ventilation pipeline generally comprises an upright chimney, the top end of the upright chimney is fixedly connected with a conical sheet metal cap through a plurality of upright rods, the bottom end of the upright chimney is communicated with a pipeline system of ventilation or air conditioning engineering of an industrial or civil building through a flue, and when the ventilation pipeline is used, because the top end of the upright chimney has a certain height, the temperature difference of air inside and outside the building generates the difference of air density, so that pressure difference is formed, indoor and outdoor air tends to flow, namely, natural ventilation is realized under the action of hot pressing.
Although the indoor outer air's of indoor air flow can be realized to foretell air pipe, in the particulate matter in the atmosphere of high altitude gets into upright chimney easily, long-term operation forms the sediment in upright chimney easily and piles up, influences air pipe's normal use, and the circulation speed that relies on the temperature difference to realize the air simple is slower, and operating efficiency is lower, and the gas that circulates in the upright chimney simultaneously and go out often carries certain heat, very easily arouses ambient temperature's rising.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a ventilating duct capable of preventing particles from entering the interior to be deposited and accumulated, the particles in the high-altitude atmosphere are not easy to enter the vertical chimney, the deposition and accumulation of the particles in the atmosphere in the vertical chimney after long-term operation are slower, the normal service cycle of the vertical chimney is longer, the air circulation speed is higher, the operation efficiency is higher, meanwhile, the air circulated in the vertical chimney carries less heat, and the influence on the ambient temperature is smaller.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent granule entering inside deposit accumulational air pipe, includes upright chimney, still includes underground water storage tank, fixedly connected with mounting base on the underground water storage tank, fixedly connected with return bend in the mounting base, the top of return bend with upright chimney intercommunication, upright chimney fixed connection is on mounting base, and upright chimney's inside and outside are provided with interior delivery pipe and outer auxiliary pipe respectively, fixedly connected with frustum water dispersion ring on the lateral wall of interior delivery pipe, the top of frustum water dispersion ring is leveled mutually with the top of interior delivery pipe, and it is connected with the fan blade subassembly to rotate on the lateral wall of interior delivery pipe, and the bottom intercommunication of interior delivery pipe has the double folded tube, the double folded tube successively passes return bend and mounting base and communicates there is the suction pump, the suction pump is installed on the top of mounting base, and the suction pump communicates has the elbow pipe, the bottom of elbow pipe stretches into to the inside of underground water storage tank, outer auxiliary pipe communicates has the filter tank, filter tank communicates with underground water storage tank, installs the auxiliary drive subassembly that is used for fan blade subassembly drive in the outer auxiliary pipe, and the top of outer auxiliary pipe installs the subassembly, and the bottom of elbow pipe communicates has the water conservation collection tank.
Preferably, on the basis of the above scheme, the fan blade assembly includes an inner rotating ring and an outer toothed ring, the inner rotating ring is rotatably connected to the side wall of the inner water supply pipe, a plurality of fan blades are fixedly connected to the side wall of the inner rotating ring at equal angles in the circumferential direction, and the plurality of fan blades are fixedly connected to the outer toothed ring.
On the basis of the scheme, the auxiliary driving assembly comprises a plurality of water guide plates, the water guide plates are fixedly connected between the outer auxiliary pipe and the vertical chimney, the outer auxiliary pipe is internally and rotatably connected with an installation ring, a plurality of driving plates are fixedly connected in the installation ring, an inner toothed ring is fixedly connected to one end, close to the vertical chimney, of each driving plate, the inner toothed ring is in transmission connection with the outer toothed ring through a plurality of transmission gears, a plurality of installation ports are formed in the vertical chimney, the transmission gears are respectively and rotatably connected in the installation ports, and gaps formed between every two adjacent water guide plates in the water guide plates are perpendicular to gaps formed between every two adjacent driving plates in the driving plates.
Still further on the basis of aforementioned scheme, water conservation subassembly includes wide-mouth ring and frustum cap, wide-mouth ring fixed connection be in on the outer auxiliary tube, the frustum cap through a plurality of fixed plate fixed connection be in on the outer auxiliary tube, fixedly connected with extends the ring on the lateral wall of frustum cap, the external diameter that extends the ring is greater than the external diameter of frustum cap.
On the basis of the scheme, the collecting box assembly comprises a box body, the box body is communicated with the inclined pipe through a neck pipe, a collecting drawer is arranged in the box body in a sliding fit mode, and a hook rod is fixedly connected to the collecting drawer.
As a further result, the bottom end of the outer auxiliary pipe is inclined, the bottom end of the outer auxiliary pipe is fixedly connected with a plurality of auxiliary supporting rods, and the bottom ends of the plurality of auxiliary supporting rods are fixedly connected with the mounting base.
As a further improvement of the above scheme, an annular groove is formed in the vertical chimney, the outer gear ring is rotatably fitted in the annular groove, and a sealing ring is fixedly connected to the outer side wall of the vertical chimney and rotatably fitted with the inner gear ring.
As a further aspect of the above scheme, a maintenance opening is formed in the underground water storage tank, a climbing ladder is installed at the maintenance opening, a ladder ring is fixedly connected to the maintenance opening, a square plate door is rotatably connected to the ladder ring, and a handle groove is formed in the square plate door.
As a further scheme of the scheme, a protection ring net is arranged between the vertical chimney and the frustum water-dispersing ring.
As a still further aspect of the above aspect, the inclined pipe communicates with a flue.
(III) advantageous effects
Compared with the prior art, the invention provides a ventilating duct capable of preventing particles from entering the inside to deposit and accumulate, which has the following beneficial effects:
1. according to the invention, through the matching of the internal water supply pipe, the frustum water-dispersing ring and the water suction pump, water in the underground water storage tank can be guided to the top vent of the vertical chimney, a water curtain is formed by the frustum water-dispersing ring to suppress dust of air exhausted from the vertical chimney, meanwhile, external particulate matters can be reduced to enter the vertical chimney to a certain extent, the particulate matters in the atmosphere can form precipitates and accumulate slowly in the vertical chimney after long-term operation, and the normal service cycle of the vertical chimney is longer.
2. According to the invention, through the design of the fan blade assembly, the air circulation speed in the vertical chimney can be forcibly improved, the operation efficiency is higher, through the design of the auxiliary driving assembly, the auxiliary driving of the fan blade assembly can be realized, the driving of the fan blade assembly is more energy-saving, the falling speed of water discharged from the frustum water dispersing ring can be reduced, and the impact of the falling water on the outer auxiliary pipe is reduced.
3. According to the invention, through the matching of the inner water supply pipe and the outer auxiliary pipe, the inside and the outside of the vertical chimney can be matched to form an integral circulating water path, air passing through the vertical chimney can be cooled, so that the heat carried by the gas circulating in the vertical chimney is less, the influence on the ambient temperature is less, through the design of the water-saving assembly, the splashing of water discharged from the frustum water-dispersing ring can be reduced, a water source can be saved to a certain extent, and through the design of the collecting box assembly, dust entering the vertical chimney can be collected and cleaned, so that the vertical chimney is practical.
Drawings
FIG. 1 is a partially cut-away perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a perspective view of the present invention from the rear side;
fig. 6 is a schematic perspective view illustrating the cooperation and disassembly of the fan blade assembly and the auxiliary driving assembly according to the present invention.
In the figure: 1. a vertical chimney; 2. an underground water storage tank; 3. mounting a base; 4. bending the pipe; 5. an internal water supply pipe; 6. an outer auxiliary tube; 7. a frustum water-dispersing ring; 8. double folding the tube; 9. a water suction pump; 10. an elbow pipe; 11. a filter tank; 12. an inclined tube; 13. an inner rotating ring; 14. an outer ring gear; 15. a fan blade; 16. a water diversion plate; 17. a mounting ring; 18. a drive plate; 19. an inner gear ring; 20. a transmission gear; 21. a wide-mouth ring; 22. a frustum cap; 23. an extension ring; 24. a box body; 25. a neck tube; 26. a collection drawer; 27. a hook rod; 28. an auxiliary support bar; 29. a seal ring; 30. climbing a ladder; 31. a stepped ring; 32. a square plate door; 33. a protection ring network; 34. a flue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, a ventilating duct for preventing particles from entering the interior and depositing and accumulating comprises an upright chimney 1 and an underground water storage pool 2, wherein the underground water storage pool 2 is provided with a maintenance opening, a climbing ladder 30 is arranged at the maintenance opening and can enter the underground water storage pool 2, so as to be convenient for maintaining the interior of the underground water storage pool 2, the maintenance opening is fixedly connected with a step ring 31, the step ring 31 is rotatably connected with a square door 32, so that the maintenance opening can be closed, thereby avoiding the entry of external impurities and improving the use cleanness of the underground water storage pool 2, the square door 32 is provided with a handle slot, the underground water storage pool 2 is fixedly connected with a mounting base 3, the inside of the mounting base 3 is fixedly connected with a bent pipe 4, the top end of the bent pipe 4 is communicated with the upright chimney 1, the upright chimney 1 is fixedly connected with the mounting base 3, the inside and the outside of the upright chimney 1 are respectively provided with an inner water supply pipe 5 and an outer auxiliary pipe 6, the vertical chimney 1 can be matched with the outside to form an integral circulating water path, air passing through the vertical chimney 1 can be cooled, the gas flowing out from the vertical chimney 1 carries less heat and has less influence on the ambient temperature, the side wall of the inner water supply pipe 5 is fixedly connected with a frustum water dispersion ring 7, the top end of the frustum water dispersion ring 7 is flush with the top end of the inner water supply pipe 5, a water curtain is formed by the frustum water dispersion ring 7 to suppress dust of the air exhausted from the vertical chimney 1, meanwhile, the external particulate matters can be reduced to enter the vertical chimney 1 to a certain extent, the particulate matters in the long-term operation atmosphere form slow sedimentation and accumulation in the vertical chimney 1, the normal service cycle of the vertical chimney 1 is longer, a protection ring net 33 is arranged between the vertical chimney 1 and the frustum water dispersion ring 7, and the water mist scattered from the frustum water dispersion ring 7 is reduced to fall into the vertical chimney 1, it is comparatively practical, it is connected with fan blade assembly to rotate on the lateral wall of interior delivery pipe 5, fan blade assembly includes interior rotating ring 13 and outer ring gear 14, interior rotating ring 13 rotates and connects on the lateral wall of delivery pipe 5 including, a plurality of fan blades 15 of angle fixedly connected with such as circumference on the lateral wall of interior rotating ring 13, a plurality of fan blades 15 all with outer ring gear 14 fixed connection, can force the circulation of air speed in the vertical chimney 1, the operating efficiency is higher, the ring channel has been seted up in the vertical chimney 1, outer ring gear 14 normal running fit is in the ring channel, avoid from vertical chimney 1 in through the influence of the dust in the air to outer ring gear 14, the bottom intercommunication of interior delivery pipe 5 has double-folded tube 8, double-folded tube 8 successively passes return bend 4 and mounting base 3 and the intercommunication has water suction pump 9, water suction pump 9 installs the top at mounting base 3, water suction pump 9 intercommunication has elbow pipe 10, the bottom of elbow pipe 10 stretches into the inside of underground water storage pool 2, can guide the water in the underground water storage pool 2 to the top of vertical chimney 1.
It should be further noted that the bottom end of the outer auxiliary pipe 6 is inclined to guide and collect the water falling into the outer auxiliary pipe 6, the bottom end of the outer auxiliary pipe 6 is fixedly connected with a plurality of auxiliary support rods 28, the bottom ends of the plurality of auxiliary support rods 28 are all fixedly connected with the mounting base 3 to realize the auxiliary support of the outer auxiliary pipe 6, the outer auxiliary pipe 6 is communicated with a filter tank 11, the filter tank 11 is communicated with the underground water storage pool 2, an auxiliary driving assembly for driving the fan blade assembly is installed in the outer auxiliary pipe 6 and comprises a plurality of water guide plates 16, the plurality of water guide plates 16 are all fixedly connected between the outer auxiliary pipe 6 and the upright chimney 1, the outer auxiliary pipe 6 is rotatably connected with a mounting ring 17, the mounting ring 17 is internally and fixedly connected with a plurality of driving plates 18, one end of the plurality of driving plates 18 close to the upright chimney 1 is fixedly connected with an inner toothed ring 19, the outer side wall of the vertical chimney 1 is fixedly connected with a sealing ring 29, the sealing ring 29 is in running fit with an inner toothed ring 19, the protection of the inner toothed ring 19 is improved, the impact of water in an outer auxiliary pipe 6 on the inner toothed ring 19 is reduced, the inner toothed ring 19 is in transmission connection with an outer toothed ring 14 through a plurality of transmission gears 20, a plurality of mounting ports are formed in the vertical chimney 1, the plurality of transmission gears 20 are respectively in running connection with the plurality of mounting ports, a gap formed between every two adjacent water guide plates 16 in the plurality of water guide plates 16 is perpendicular to a gap between every two adjacent driving plates 18 in the plurality of driving plates 18, the auxiliary driving of a fan blade component can be realized, the driving of the fan blade component is energy-saving, meanwhile, the falling speed of water discharged from a frustum water dispersing ring 7 can be reduced, the impact of the falling water on the outer auxiliary pipe 6 is reduced, and a water-saving component is installed at the top end of the outer auxiliary pipe 6, the water conservation subassembly includes wide mouthful ring 21 and frustum cap 22, wide mouthful ring 21 fixed connection is on outer auxiliary tube 6, frustum cap 22 is on outer auxiliary tube 6 through a plurality of fixed plate fixed connection, fixedly connected with extends ring 23 on frustum cap 22's the lateral wall, the external diameter that extends ring 23 is greater than frustum cap 22's external diameter, can reduce the wafting of discharged water in the frustum water ring 7 that looses, can practice thrift the water source to a certain extent, the right-hand member intercommunication of return bend 4 has pipe chute 12, the bottom intercommunication of pipe chute 12 has the collection box subassembly, the collection box subassembly includes box 24, box 24 passes through neck 25 and pipe chute 12 intercommunication, sliding fit has collection drawer 26 in box 24, fixedly connected with hook pole 27 on the collection drawer 26, can collect and clear up the dust that gets into upright chimney 1 in, therefore the utility model, pipe chute 12 communicates there is flue 34, be convenient for the intercommunication in pipe chute 12 and the building each part space.
The above-mentioned suction pump 9 that relates to highly selects the model of suitable lift according to interior delivery pipe 5, also can customize according to actual need simultaneously, we just use it in this patent, and improve its structure and function, its settlement mode, mounting means and electric connection mode, to technical personnel in this field, as long as debug the operation according to the requirement of its service instruction book can, no longer describe it here, and suction pump 9 is provided with rather than supporting control switch, control switch's mounted position selects according to the in-service use demand, the operating personnel of being convenient for carry out operation control can.
In summary, the working principle and the working process of the ventilation duct for preventing particles from entering the internal deposition accumulation are that when in use, the ventilation duct for preventing particles from entering the internal deposition accumulation is built at a place to be used, then a proper amount of water is injected into the underground water storage pool 2, the water suction pump 9 is started in the operation process, the water in the underground water storage pool 2 is pumped out and lifted to the top end of the internal water supply pipe 5 by the water suction pump 9, the water is dispersed into a water curtain through the frustum water dispersion ring 7 on the internal water supply pipe 5 and falls into the external auxiliary pipe 6, the entering of external particulate matters is reduced, the falling water changes direction under the action of the water guide plate 16, vertically impacts on the driving plate 18, then passes through a gap between every two adjacent driving plates 18 in the plurality of driving plates 18 and falls into the lower part of the external auxiliary pipe 6, then is collected and guided into the tank 11 through the external auxiliary pipe 6, the water filtered by the filter tank 11 enters the underground water storage pool 2 again, the driving plate 18 drives the internal toothed ring 19 to rotate under the impact of the water, the internal toothed ring 19 rotates through the transmission gear 20, the external toothed ring 14 rotates, the external fan 15 rotates and the air flows into the filter tank 1, the filter tank 12, the internal inclined exhaust pipe 12, the exhaust pipe 12 circulates in the exhaust pipe, and the exhaust pipe 12 can circulate the exhaust pipe, and the exhaust pipe 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The ventilation pipeline capable of preventing particles from entering the interior to deposit and accumulate comprises an upright chimney (1) and is characterized by further comprising an underground water storage pool (2), a mounting base (3) is fixedly connected to the underground water storage pool (2), a bent pipe (4) is fixedly connected to the inside of the mounting base (3), the top end of the bent pipe (4) is communicated with the upright chimney (1), the upright chimney (1) is fixedly connected to the mounting base (3), an inner water supply pipe (5) and an outer auxiliary pipe (6) are respectively arranged inside and outside the upright chimney (1), a frustum water dispersion ring (7) is fixedly connected to the side wall of the inner water supply pipe (5), the top end of the frustum water dispersion ring (7) is flush with the top end of the inner water supply pipe (5), a fan blade assembly is rotatably connected to the side wall of the inner water supply pipe (5), the fan blade assembly comprises an inner rotating ring (13) and an outer toothed ring (14), the inner rotating ring (13) is rotatably connected to the side wall of the inner water supply pipe (5), a plurality of double-folded fan blades (15) are fixedly connected to the inner rotating ring (13), a fan (15) and a fan (9) is sequentially connected to the inner water supply pipe (8), the water suction pump (9) is installed at the top end of the installation base (3), the water suction pump (9) is communicated with an elbow pipe (10), the bottom end of the elbow pipe (10) extends into the underground water storage tank (2), the outer auxiliary pipe (6) is communicated with a filter tank (11), the filter tank (11) is communicated with the underground water storage tank (2), an auxiliary driving assembly used for driving the fan blade assembly is installed in the outer auxiliary pipe (6), the auxiliary driving assembly comprises a plurality of water guide plates (16), the water guide plates (16) are fixedly connected between the outer auxiliary pipe (6) and the upright chimney (1), the outer auxiliary pipe (6) is rotatably connected with an installation ring (17), a plurality of drive plates (18) are fixedly connected in the installation ring (17), one end, close to the upright chimney (1), of each drive plate (18) is fixedly connected with an inner toothed ring (19), the inner toothed ring (19) is in transmission connection with the outer toothed ring (14) through a plurality of transmission gears (20), the upright chimney (1) is provided with a plurality of drive plates, the vertical drive plates (18) are connected with each other in the installation holes, and two adjacent gaps of the plurality of drive plates (16) are formed between the two adjacent water guide plates (16), the water conservation subassembly is installed on the top of outer auxiliary pipe (6), the water conservation subassembly is including wide mouthful ring (21) and frustum cap (22), wide mouthful ring (21) fixed connection be in on outer auxiliary pipe (6), frustum cap (22) are in through a plurality of fixed plate fixed connection outer auxiliary pipe (6) are last, and fixedly connected with extends ring (23) on the lateral wall of frustum cap (22), the external diameter that extends ring (23) is greater than the external diameter of frustum cap (22), and the right-hand member intercommunication of return bend (4) has inclined tube (12), inclined tube (12) intercommunication has flue (34), the bottom intercommunication of inclined tube (12) has collection case subassembly, collection case subassembly includes box (24), box (24) through neck (25) with inclined tube (12) intercommunication, sliding fit has collection drawer (26) in box (24), fixedly connected with hook lever (27) on collection drawer (26).
2. The ventilation duct for preventing the particles from entering the interior to deposit and accumulate according to claim 1, wherein the bottom end of the outer auxiliary tube (6) is inclined, a plurality of auxiliary support rods (28) are fixedly connected to the bottom end of the outer auxiliary tube (6), and the bottom ends of the plurality of auxiliary support rods (28) are fixedly connected to the mounting base (3).
3. A ventilation duct for preventing particles from entering into the interior for deposition and accumulation according to claim 2, characterized in that an annular groove is formed in the vertical chimney (1), the outer toothed ring (14) is rotatably fitted in the annular groove, a sealing ring (29) is fixedly connected to the outer side wall of the vertical chimney (1), and the sealing ring (29) is rotatably fitted with the inner toothed ring (19).
4. The ventilation duct for preventing the particles from entering the interior to deposit and accumulate according to claim 3, characterized in that a maintenance opening is formed on the underground water storage tank (2), a climbing ladder (30) is installed at the maintenance opening, a step ring (31) is fixedly connected to the maintenance opening, a square door (32) is rotatably connected to the step ring (31), and a handle slot is formed in the square door (32).
5. The ventilation pipeline for preventing the particles from entering the interior to deposit and accumulate according to the claim 4, characterized in that a protection ring net (33) is installed between the upright chimney (1) and the frustum water-dispersing ring (7).
CN202111034602.5A 2021-09-03 2021-09-03 Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating Active CN113819552B (en)

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CN202111034602.5A CN113819552B (en) 2021-09-03 2021-09-03 Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating

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Application Number Priority Date Filing Date Title
CN202111034602.5A CN113819552B (en) 2021-09-03 2021-09-03 Ventilating duct capable of preventing particles from entering interior and precipitating and accumulating

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CN113819552B true CN113819552B (en) 2023-03-31

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KR101305249B1 (en) * 2012-07-12 2013-09-06 씨제이씨지브이 주식회사 Multi-projection system
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