CN113882490B - Vortex inflow vertical shaft system connected into deep drainage tunnel - Google Patents
Vortex inflow vertical shaft system connected into deep drainage tunnel Download PDFInfo
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- CN113882490B CN113882490B CN202111023104.0A CN202111023104A CN113882490B CN 113882490 B CN113882490 B CN 113882490B CN 202111023104 A CN202111023104 A CN 202111023104A CN 113882490 B CN113882490 B CN 113882490B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a vortex inflow vertical shaft system connected into a deep drainage tunnel, which belongs to the field of urban drainage and comprises an inflow device, a vortex vertical cylinder device, a vortex outlet device, a scum removing device and a well body device, wherein the inflow device is communicated with a shallow drainage system, the vortex device is communicated with the inflow device and is used for manufacturing vortex for rainwater and sewage flowing in through the inflow device, the vortex vertical cylinder device is communicated with the vortex device and is used for enabling vortex-shaped rainwater and sewage to form stable adherent vortex, the vortex outlet device is communicated with the vortex vertical cylinder device and is used for removing gas entrained in rainwater and sewage water flow and resisting impact of water flow, kinetic energy and potential energy of partial water are resolved, and the scum removing device is arranged in the well body device and is used for removing scum of the liquid level of the inflow vertical shaft so as to avoid hardening, and the bottom of the well body device is communicated with a deep drainage tunnel. The inflow vertical shaft system has more scientific and reasonable structural composition and can better meet the requirement of urban development.
Description
Technical Field
The invention belongs to the field of urban drainage, and particularly relates to an eddy inflow vertical shaft system connected into a deep drainage tunnel.
Background
With the development and construction of cities, the dense construction and the complex congestion of underground pipelines make it extremely difficult and costly to improve the drainage standard and perfect the drainage system by constructing shallow underground drainage pipelines.
In recent years, the problem of urban drainage is solved by utilizing an underground deep drainage tunnel, and the underground deep drainage tunnel is the choice of a plurality of developed cities at home and abroad. The adoption of deep tunneling engineering to convey rain sewage can avoid road surface excavation, minimize the damage to traffic and environment and avoid conflict with the existing underground public facilities or infrastructure. The inflow vertical shaft is the most important component of deep tunnel drainage and is also the most critical component of tunnel design, and the inflow vertical shaft is used for connecting water flow from a shallow layer drainage system to a deep tunnel drainage and accumulation system, reducing the mechanical energy of the water flow when the water flow descends and discharging entrained air.
The patent application with publication number CN104947780 applied by Shanghai municipal engineering design institute discloses an inflow vertical shaft system connected into a deep tunnel drainage system, which is arranged in a fully underground or semi-underground manner, and is used for conveying rain sewage in a shallow drainage system into the deep tunnel drainage system, wherein the inflow vertical shaft system comprises a connecting device, a rotational flow falling vertical shaft device, a bottom plate and a ventilation device. The device can eliminate kinetic energy and potential energy of water flow in the process of conveying the rain sewage to the deep tunnel drainage system, and can discharge gas entrained when the water flow descends, so that the device can play a role of a punctiform regulation reservoir. However, in this structure, the impact damage caused by the downward force of the rain water is large, and there is a room for improvement in the structure.
Therefore, there is a need to develop a new inflow shaft system for accessing deep drainage tunnels, which has a more reasonable structural design and less impact damage to facilities and environment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the vortex inflow vertical shaft system for accessing the deep drainage tunnel, which greatly improves the operation capability of the vortex inflow vertical shaft system for accessing the deep drainage tunnel through structural improvement and design and can be more suitable for the requirement of urban development.
In order to achieve the above object, the present invention provides a vortex inflow vertical shaft system connected to a deep drainage tunnel, which comprises an inflow device, a vortex vertical cylinder device, a vortex outlet device, a scum removing device and a well body device, wherein the inflow device is communicated with a shallow drainage system, the vortex device is communicated with the inflow device, the vortex device is used for manufacturing vortex for rain sewage flowing in through the inflow device, the vortex vertical cylinder device is communicated with the vortex device and is used for forming stable adherent vortex for the rain sewage in a vortex shape, the vortex outlet device is communicated with the vortex vertical cylinder device and is used for uniformly removing gas entrained in the rain sewage water flow and resisting impact of the water flow, kinetic energy and potential energy of part of water are resolved, the scum removing device is arranged in the well body device and is used for removing scum of the liquid level of the inflow vertical shaft, the scum removing device is arranged on the side wall of the well body device, and the bottom of the well body device is communicated with a deep drainage tunnel.
Further, inflow device contains inlet channel, the inlet gate well, the inflow box culvert, first gate, the second gate, artifical grid, surpass box culvert and third gate, wherein, inlet channel one end is connected with external shallow drainage system, the inlet channel other end is connected with the inlet gate well, the inlet gate well sets up at the inlet channel end, inlet gate well top is provided with first equipment lifting hole and second equipment lifting hole, first equipment lifting hole and second equipment lifting hole are used for passing in and out through self supply equipment, inflow box culvert one end is connected with the inlet gate well, the other end communicates with vortex device, first gate sets up in the inlet gate well, be used for preventing rainwater from flowing back into the underground facilities in the shallow drainage system from deep tunnel, second gate sets up in inlet gate well one side, be used for controlling rainwater to get into drainage tunnel, artifical grid sets up in inlet gate well one side for preventing large-scale object from getting into deep water tunnel, surpass box culvert intercommunication inlet gate well's a lateral wall, its one end is connected with the inlet gate well, the other end is connected with natural water body or storage device, when the equipment is used for supplying equipment business turn over, it is located in the surpass box gate, it is located in the water sluice gate drain to surpass box drain to surpass the drain gate, the rainwater is located in the junction, the water gate is located in the junction.
Further, the vortex device comprises a vortex flow passage chamber and a horn special-shaped pipe fitting, wherein the vortex flow passage chamber is connected with an inflow box culvert, the vortex flow passage chamber plays a role in guiding flow, water flow forms a vortex flow state, the vortex flow passage chamber is integrally in a plane spiral shape, the horn special-shaped pipe fitting is arranged at the bottom of the vortex flow passage chamber and is connected with the vortex vertical cylinder device through a flange, the horn special-shaped pipe fitting is communicated with the vortex flow passage chamber and the vortex vertical cylinder device, so that the plane spiral water flow is transited into a vertical spiral shape under the action of gravity and can fall into a vertical shaft along the vortex vertical cylinder device.
Further, the cyclone vertical cylinder device comprises a cyclone vertical cylinder and a rigid waterproof wing ring, wherein one end of the cyclone vertical cylinder is connected with the horn special-shaped pipe fitting through a flange, the other end of the cyclone vertical cylinder is connected with a ring beam in the cyclone outlet device through the rigid wing ring, so that water flow forms stable adherence cyclone, the tail end of the cyclone vertical cylinder device is required to be positioned below a normal water level controlled by an inflow vertical shaft, the rigid waterproof wing ring is connected with the ring beam through welding, and the ring beam is an outlet end of the cyclone vertical cylinder through welding of a stiffening plate.
Further, the cyclone outlet device comprises an upright post and an energy dissipation cone, wherein one end of the upright post is positioned on the bottom buttress, the other end of the upright post supports the ring beam, a plurality of water outlet drainage channels are formed, water flow is uniformly discharged, entrained air is released, the energy dissipation cone is opposite to the cyclone vertical cylinder outlet, and the top of the energy dissipation cone is in a pointed cone shape and has the function of resisting water flow impact.
Further, the scum removing device comprises a scum removing chamber and a sludge pump, wherein the scum removing chamber is arranged at a set height above the inflow vertical shaft control normal water level, three sides of the scum removing chamber are provided with holes, the bottom of the scum removing chamber is provided with a launder and a sump pit, and the sludge pump is arranged in the sump pit at the bottom of the scum removing chamber and is communicated with the outside and used for pumping scum in the sump pit in the scum removing chamber.
Further, well body device contains frame main part, buttress, equipment lifting hole, overhaul access hole and sludge pump manhole, and wherein, the cross section shape of frame main part is circular or rectangle, and frame main part bottom intercommunication deep drainage tunnel, and the buttress is used as the base of energy dissipation cone and stand, is close to on the lateral wall of one side of frame main part, and equipment lifting hole, overhaul access hole and sludge pump manhole all set up at the top of frame main part.
Further, the four stand columns are made of reinforced concrete materials, and stainless steel pipes are sleeved on the outer walls of the four stand columns.
Furthermore, the energy dissipation cone is made of reinforced concrete, a certain distance is set between the energy dissipation cone and the ring beam, and the buttress is made of reinforced concrete.
In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:
the vortex inflow vertical shaft system provided by the invention is used for conveying the rainwater and sewage in the shallow drainage system into the deep drainage tunnel, and has the functions of eliminating kinetic energy and potential energy of inflow water flow, discharging air entrained by the water flow and the like. Most of the structures are positioned underground, and the ground space can be used for landscape construction, so that the method has the characteristics of environmental friendliness, small influence on surrounding environment and small occupied area. Can be combined with a shallow drainage system and a deep drainage tunnel to play the roles of rain sewage transportation, initial rain and overflow sewage regulation and storage and flood peak clipping and regulation. The vortex inflow vertical shaft system connected into the deep drainage tunnel can simultaneously meet the normal operation working condition and various accident working conditions of the deep drainage tunnel, and is convenient for operation and maintenance management. More importantly, through a series of matched designs of the vortex device, the vortex vertical cylinder device, the vortex outlet device and the scum removing device, the potential energy and the kinetic energy of partial rain sewage can be effectively consumed, the impact destructiveness of the device on the environment is obviously reduced, and the system operation capability is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an eddy inflow shaft system for accessing a deep drainage tunnel in an embodiment of the present invention;
FIG. 2 is a partial top cross-sectional view of a vortex inflow shaft system accessing a deep drain tunnel in accordance with an embodiment of the present invention;
fig. 3 is a partial top view of a vortex inflow shaft system accessing a deep drain tunnel in accordance with an embodiment of the present invention.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1-water inlet pipeline 2-first gate 3-second gate
4-inflow box culvert 5-vortex flow channel chamber 6-horn special-shaped pipe fitting
7-rotational flow vertical cylinder 8-rigid waterproof wing ring 9-ring beam
10-upright post 11-energy dissipation cone 12-buttress
13-deep drainage tunnel 14-outer frame main body 15-deslagging chamber
16-sludge pump 17-equipment lifting hole 18-inspection manhole
19-mud pump manhole 20-first equipment lifting hole 21-second equipment lifting hole
22-artificial grille 23-water inlet gate well 24-overrun box culvert
25-third gate
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic overall structure of an eddy current inflow shaft system for accessing a deep drainage tunnel according to an embodiment of the present invention, where the inflow shaft system is configured to be fully underground and mainly comprises: the inflow device is connected with the shallow drainage system; the vortex device is connected with the inflow device and plays a role in manufacturing vortex; the swirl vertical tube device is connected with the vortex device to enable water flow to form stable adherence swirl; the cyclone outlet device is connected with the cyclone vertical cylinder device and can uniformly discharge water flow and air carried by the water flow and resist the impact of the water flow; a scum removing device for removing scum flowing into the liquid surface of the vertical shaft to avoid hardening; the well body device comprises a deep tunneling device lifting hole, a personnel access hole, a water level monitoring device mounting hole and an observation hole.
Fig. 2 is a partial top view cross-section of a vortex inflow shaft system for accessing a deep drain tunnel according to an embodiment of the present invention, and fig. 3 is a partial top view of a vortex inflow shaft system for accessing a deep drain tunnel according to an embodiment of the present invention, as further described with reference to fig. 1, 2 and 3:
the inflow device comprises the following components and the connection relation of the components: one end of the water inlet pipeline 1 is connected with a shallow water drainage system, the other end is connected with a water inlet gate well 23, and a metering device can be arranged according to requirements. The water inlet gate well 23 is arranged at the tail end of the water inlet pipeline, a first equipment lifting hole 20 and a second equipment lifting hole 21 are formed in the top of the water inlet gate well 23, the first equipment lifting hole 20 and the second equipment lifting hole 21 are higher than the ground by 20cm, and the first equipment lifting hole 20 and the second equipment lifting hole 21 are covered by a corrosion-resistant cover plate made of a metal material or a high-strength composite material. One end of the inflow box culvert 4 is connected with the water inlet gate well 23, and the other end of the inflow box culvert 4 is connected with the vortex flow passage chamber 5 in the vortex device, and the size of the inflow box culvert 4 is larger than that of the water inlet pipeline 1. A first gate 2 is disposed in the water gate well 23 for preventing rainwater and sewage from flowing backward from the deep tunnel into the underground facilities in the shallow drainage system. And a second gate 3 arranged at one side of the inside of the water inlet gate well 23 and used for controlling the rain sewage to enter the deep water discharge tunnel. The artificial grille 22 is arranged at one side of the inside of the water inlet gate well 23 and is used for preventing large objects from entering the deep water drainage tunnel, and the grille gap is recommended to be 10 cm-20 cm. The exceeding box culvert 24 is communicated with one side wall of the water inlet gate well 23, one end of the exceeding box culvert is connected with the water inlet gate well 23, the other end of the exceeding box culvert is connected with a natural water body or a regulation facility, and when an accident occurs in a downstream deep drainage tunnel or a plant station or the quantity and quality of rain and sewage exceed the standard, the rain and sewage can be discharged from the exceeding box culvert. And a third gate 25, which is arranged in the water inlet gate well 23 and is positioned at the position where the exceeding box culvert 24 is communicated with the water inlet gate well 23, and is used for controlling the rainwater to exceed and discharge.
The vortex device comprises the following components and the connection relation of the components: the vortex flow channel chamber 5 is connected with the inflow box culvert 4 and plays a role in guiding flow, so that water flow forms a vortex flow state, and the whole vortex flow channel chamber 5 is in a plane spiral shape. Horn special-shaped pipe fitting 6 sets up in vortex runner room 5 bottom, is connected with whirl riser 7 through the flange, for thickening stainless steel material, and the indoor rivers of vortex runner are plane vortex form, and the whirl riser is vertical form, and loudspeaker special-shaped pipe fitting 6 intercommunication vortex runner room and whirl riser for plane spiral form's rivers excessively become vertical spiral form under the action of gravity, and can fall into the shaft along whirl riser 7. The specific size design of the vortex flow channel chamber 5 and the horn special-shaped pipe fitting 6 is flexibly designed according to actual engineering requirements.
The rotational flow vertical tube device comprises the following components in connection: the cyclone vertical tube 7, one end is connected with the horn special-shaped tube 6 through a flange, the other end is connected with the ring beam 9 in the cyclone outlet device through the rigid wing ring 8, so that water flow forms stable adherence cyclone, the tail end of the cyclone vertical tube needs to be positioned below the inflow vertical shaft control normal water level, the specific depth is related to inflow and falling height, and the specific size design is flexibly set according to actual engineering requirements. The rigid waterproof wing rings 8 are connected with the ring beams 9 through welding, and 2 rigid waterproof wing rings are connected through welding of stiffening plates. The ring beam 9 is the outlet end of the rotational flow vertical cylinder 7, and the rotational flow vertical cylinder 7 and the rigid waterproof wing ring 8 are made of thickened stainless steel.
The rotational flow outlet device comprises the following components in connection: the upright posts 10 are positioned on the bottom buttresses 12 and serve as supports of the ring beams 9, 4 upright posts are reinforced concrete upright posts, stainless steel pipes are sleeved outside the upright posts, 4 water outlet drainage channels are formed, water flows are discharged evenly, and entrained air is released. The ring beam 9 is arranged at the top of the upright post 10, the upper surface is embedded with a stainless steel plate, and the ring beam is connected with the rigid waterproof wing ring 8 through welding. The energy dissipation cone 11 is a high-grade reinforced concrete structure and has the function of resisting water impact, and the energy dissipation cone 11 is opposite to the outlet of the cyclone vertical cylinder 7.
The scum removing device comprises the following components in connection: the deslagging chamber 15 is arranged at a set height above the normal water level controlled by the inflow vertical shaft, three sides of the deslagging chamber are provided with holes, the bottom of the deslagging chamber is provided with a launder and a sump, and the scum can flow into the sump by controlling the water level of the inflow vertical shaft. The sludge pump 16 is arranged in the water pit at the bottom of the deslagging chamber and communicated with the outside and is used for pumping and discharging the scum in the water pit in the deslagging chamber 15.
The connection relation between the components included in the well body device is as follows: the outer frame main body 14 has a circular or rectangular plane shape, and the plane size of the outer frame main body 14 needs to meet the arrangement of the vortex device and the scum removing device, and also needs to consider the requirement of the space for the deep tunnel equipment to enter and exit, and the bottom of the well outer frame main body 14 is communicated with the deep drainage tunnel 13. The buttress 12 is an energy dissipation cone and the base of the upright post 10, and is arranged on the side wall close to one side of the shaft main body. The equipment lifting hole 17, the overhaul hole 18 and the sludge pump overhaul hole 19 are all arranged at the top of the shaft main body. The equipment lifting hole 17 is 20cm higher than the ground, covered by a reinforced concrete cover plate, and provided with a 300mmx300mm multifunctional hole, so that the installation of instruments such as water level monitoring and toxic and harmful gas detection in the inflow vertical shaft and the internal observation of the inflow vertical shaft can be carried out. The access hole 18 is 20cm higher than the ground, covered by a reinforced concrete cover plate, and an observation hole of 300mmx300mm is arranged on the cover plate. The sludge pump manhole 19, 20cm above the ground, is covered by a reinforced concrete cover plate.
The inflow vertical shaft is a key drainage structure for connecting a shallow drainage system with a deep drainage tunnel, and the invention provides an eddy type inflow vertical shaft system which is used for conveying rain sewage in the shallow drainage system into the deep drainage tunnel, has the functions of eliminating kinetic energy and potential energy of inflow water flow, discharging air entrained by the water flow and the like, and simultaneously has the characteristics of environment friendliness, small influence on surrounding environment, occupation, saving in land and the like, and can play roles of drainage, regulation and storage.
If the inflow vertical shaft system is arranged in an environment sensitive area, a deodorizing device is additionally arranged, and the system can be used for deodorizing by adopting a biological filter, or deodorizing by chemical washing or deodorizing by ion.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A vortex inflow vertical shaft system connected into a deep drainage tunnel is characterized by comprising an inflow device, a vortex vertical cylinder device, a vortex outlet device, a scum removing device and a well body device, wherein the inflow device is communicated with an external shallow drainage system, the vortex device is communicated with the inflow device and is used for manufacturing vortex for rain sewage flowing in through the inflow device, the vortex vertical cylinder device is communicated with the vortex device and is used for enabling vortex-shaped rain sewage to form stable adherent vortex, the vortex outlet device is communicated with the vortex vertical cylinder device and is used for uniformly removing gas entrained in the rain sewage water flow and resisting impact of the water flow, kinetic energy and potential energy of part of water are resolved, the scum removing device is arranged in the well body device and is used for removing scum of the liquid level of the inflow vertical shaft, hardening is avoided, the scum removing device is arranged on the well body device, and the bottom of the well body device is communicated with the deep drainage tunnel,
the inflow device comprises a water inlet pipeline (1), a water inlet gate well (23), an inflow box culvert (4), a first gate (2), a second gate (3), an artificial grid (22), an overrun box culvert (24) and a third gate (25),
one end of a water inlet pipeline (1) is connected with an external shallow drainage system, the other end of the water inlet pipeline (1) is connected with a water inlet gate well (23), the water inlet gate well (23) is arranged at the tail end of the water inlet pipeline (1), a first equipment lifting hole (20) and a second equipment lifting hole (21) are arranged at the top of the water inlet gate well (23), the first equipment lifting hole (20) and the second equipment lifting hole (21) are used for entering and exiting through self-supply equipment, one end of a water inlet box culvert (4) is connected with the water inlet gate well (23), the other end of the water inlet box culvert is communicated with a vortex device, the first gate (2) is arranged in the water inlet gate well (23) and used for preventing rainwater from flowing back into underground facilities in the shallow drainage system from a deep water inlet gate well (23), the second gate (3) is arranged at one side of the water inlet gate well (23) and used for controlling the rainwater to enter the deep drainage tunnel, an artificial grid (22) is arranged at one side of the inlet of the water inlet gate well (23) and used for preventing large objects from entering the deep water tunnel, one side of the water inlet box culvert (24) is communicated with one side wall of the water inlet gate well (23), the water inlet box (23) is connected with the water inlet box (23) and is connected with the water inlet box (23) at the other end of the water inlet box (23) when the water inlet box (23) is connected with the water inlet box (25) and is connected with the water inlet box (23) at the water inlet box (25), for controlling the rain water to be discharged beyond.
2. A vortex inflow shaft system for accessing deep drainage tunnels according to claim 1, wherein the vortex device comprises a vortex flow channel chamber (5) and a trumpet shaped pipe (6), wherein,
the vortex runner chamber (5) is connected with the inflow box culvert (4) and plays a role in guiding water flow, so that water flow forms vortex flow state, the vortex runner chamber (5) is integrally in a plane spiral shape, the horn special-shaped pipe fitting (6) is arranged at the bottom of the vortex runner chamber (5) and is connected with the vortex vertical cylinder device through the flange, the horn special-shaped pipe fitting (6) is communicated with the vortex runner chamber and the vortex vertical cylinder device, and the plane spiral water flow is enabled to be in a vertical spiral shape in a transition mode under the action of gravity and can fall into a vertical shaft along the vortex vertical cylinder device.
3. A vortex inflow shaft system for accessing deep drainage tunnels according to claim 2, wherein the vortex shaft means comprises a vortex shaft (7) and a rigid water-resistant wing ring (8), wherein,
one end of the cyclone vertical cylinder (7) is connected with the horn special-shaped pipe fitting (6) through a flange, the other end of the cyclone vertical cylinder is connected with a ring beam (9) in the cyclone outlet device through a rigid wing ring (8), so that water flow forms stable adherent cyclone, the tail end of the cyclone vertical cylinder is required to be positioned below the inflow vertical shaft control normal water level, the rigid waterproof wing ring (8) is connected with the ring beam (9) through welding, the rigid waterproof wing ring is connected with the ring beam (9) through a stiffening plate, and the ring beam (9) is the outlet end of the cyclone vertical cylinder (7).
4. A vortex inflow shaft system for accessing deep drainage tunnels according to claim 3, wherein the vortex exit means comprises a column (10) and an energy dissipation cone (11), wherein,
one end of the upright post (10) is positioned on the bottom buttress (12), the other end of the upright post supports the ring beam (9) and is provided with a plurality of water outlet drainage channels, so that water flow is uniformly discharged, entrained air is released, the energy dissipation cone (11) is opposite to the outlet of the cyclone vertical cylinder (7), and the top of the energy dissipation cone is conical, so that the energy dissipation cone has the function of resisting water flow impact.
5. An eddy inflow shaft system for accessing deep drainage tunnels according to claim 4, wherein the scum removal means comprises a scum removal chamber (15) and a sludge pump (16), wherein,
the deslagging chamber (15) is arranged at a set height above the inflow vertical shaft control normal water level, three sides are provided with holes, the bottom is provided with a launder and a sump, and the sludge pump (16) is arranged in the sump at the bottom of the deslagging chamber and is communicated with the outside and used for pumping scum in the sump in the deslagging chamber (15).
6. An eddy inflow shaft system for accessing a deep drainage tunnel according to claim 5, wherein the well body assembly comprises an outer frame body (14), a buttress (12), an equipment lifting hole (17), an access hole (18) and a sludge pump access hole (19), wherein,
the cross section shape of the outer frame main body (14) is circular or rectangular, the bottom of the outer frame main body (14) is communicated with the deep drainage tunnel (13), the buttress (12) is used as a base of the energy dissipation cone and the upright post (10), and equipment lifting holes (17), overhaul holes (18) and sludge pump overhaul holes (19) are all formed in the top of the outer frame main body (14) on the side wall of one side close to the outer frame main body (14).
7. An eddy current inflow shaft system for accessing deep drainage tunnels as claimed in claim 6, wherein the four columns (10) are made of reinforced concrete, and stainless steel pipes are sleeved on the outer walls of the columns.
8. An eddy current inflow shaft system for accessing deep drainage tunnels as claimed in claim 7, wherein the energy dissipating cone (11) is reinforced concrete material and the buttresses (12) are reinforced concrete material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111023104.0A CN113882490B (en) | 2021-09-01 | 2021-09-01 | Vortex inflow vertical shaft system connected into deep drainage tunnel |
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| CN202111023104.0A CN113882490B (en) | 2021-09-01 | 2021-09-01 | Vortex inflow vertical shaft system connected into deep drainage tunnel |
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| CN113882490B true CN113882490B (en) | 2023-08-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1028797A1 (en) * | 1981-09-08 | 1983-07-15 | Украинский Государственный Проектный И Научно-Исследовательский Институт Коммунальных Сооружений Городов | Multistage sewerage height drop |
| CN101638888B (en) * | 2009-07-24 | 2011-06-15 | 中国水利水电科学研究院 | Flood discharging method for anticorrosion and energy dissipation of rotational flow ring dam and device thereof |
| CN101851909B (en) * | 2010-05-11 | 2011-11-30 | 四川大学 | H-shaped shaft flood discharge hole |
| CN101881019B (en) * | 2010-07-29 | 2012-02-29 | 中国水利水电科学研究院 | High tailrace level vortex flow flood discharge tunnel and exhaust method of flood discharge tunnel |
| CN104947780A (en) * | 2015-06-18 | 2015-09-30 | 上海市政工程设计研究总院（集团）有限公司 | Inflow vertical shaft system connected into deep tunnel drainage system |
| CN213014604U (en) * | 2020-08-20 | 2021-04-20 | 山东工业职业学院 | Profound engineering water collecting device |
| CN113089603A (en) * | 2021-03-09 | 2021-07-09 | 中国电建集团西北勘测设计研究院有限公司 | Vertical shaft rotational flow flood discharge tunnel |
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