CN104929684A - Underground rain sewage pre-treatment station connected to deep layer tunnel drainage system - Google Patents
Underground rain sewage pre-treatment station connected to deep layer tunnel drainage system Download PDFInfo
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Abstract
An underground rain sewage pre-treatment station connected to a deep layer tunnel drainage system comprises a water inflow well, at least two sets of screenings separation devices, at least two sets of sand grain removing devices and a water outflow well. The water inflow well is connected with a shallow layer drainage system and used for collecting rain sewage from the shallow layer drainage system. The screenings separation devices are connected with the water inflow well and used for filtering out screenings in the rain sewage. The sand grain removing devices are connected with the screenings separation devices and used for removing sand grains in the rain sewage. The water outflow well is connected with the sand grain removing devices and an inflow device of the deep layer tunnel drainage system and used for discharging filtered sewage out of the deep layer tunnel drainage system. The deep layer tunnel drainage system is used for pre-treating the rain sewage entering a deep tunnel, intercepting suspended solids, floating substances and other impurities, removing the sand grains and other particulate matter, relieving accumulation of sediment in the running process of the deep tunnel, reducing maintaining and managing workloads, prolonging the service life of equipment and saving cost.
Description
Technical field
The present invention relates to a kind of underground type rain sewage disinfection treatment station accessing deep layer tunnel drainage system.
Background technology
Along with the continuous quickening of Urbanization in China, city size goes from strength to strength, a large amount of land character there occurs change in recent years, hard place is mated formation and the Permeable stratum area such as building increases greatly, change watershed system condition, flow mode and peak flood flow are greatly increased, strengthens or exceeded the draining flood discharge capacity in municipal drainage system, river course.When city meets with extreme rainy weather, the phenomenon of ponding waterlogging takes place frequently: within 2013, China's disaster-stricken city numbers of rainwater above county level reaches 234, city falls into " seeing sea " awkward situation repeatly, city population suffered from disaster is (injures and deaths 774 people) more than 5,000 ten thousand, economic loss 3,146 hundred million yuan, 1% of the super local GDP of 7 province's loss.
On the other hand, along with the acceleration of Urbanization in China, point source water pollution control is operated in national each metropolis and has completed and comparatively effectively control, but still constantly increasing the weight of of non-point pollution and city surface source pollution problem, the early-stage rainwater directly caused due to rainfall pollute and combined system region pollution load of overflow in rainy season (CSO) problem more and more outstanding, become the key factor of threat Urban Water Environment, water security, Ecology.
Deep layer tunnel drainage system refers to that major project adopts buried tunnel (buried depth is generally more than 10m) to regulate, stores rain sewage, and Tunnel Endpoint arranges the drainage of large discharge pumping station for strong drainage.Build deep layer tunnel drainage system system not only can improve urban sewerage and drainage prevention waterlogging standard but also can realize polluting early-stage rainwater and rainy season pollution load of overflow effective control, large area also can be avoided to rebuild transformation city present situation shallow-layer sewerage pipeline network, the wire deep layer tunnel drainage system of regulating and storing also comparable point-like storage pond saves capital construction land used greatly, to avoid removing a large amount of house, built district and underground utilities, less on surrounding enviroment impact.Therefore, in the planning and designing stage is included construction deep layer tunnel drainage system all in the ground such as current Guangzhou, Shanghai, Wuhan, Beijing.
At present, deep layer tunnel drainage system not yet builds up case at home, and it will become an important development direction of following China drain vocation.
Summary of the invention
The invention provides a kind of underground type rain sewage disinfection treatment station accessing deep layer tunnel drainage system, access deep layer tunnel drainage system, pretreatment is carried out to the rain sewage entering dark tunnel, impurity such as interception suspension, floating thing etc., remove the particles such as sand grains, alleviate the operating accumulation of deposits in dark tunnel, reduce the workload of maintenance management, in the application life of extension device, save cost.
In order to achieve the above object, the invention provides a kind of underground type rain sewage disinfection treatment station accessing deep layer tunnel drainage system, comprise be arranged on two layers, underground pretreatment unit layer, be arranged on the operation layer of B1 and be arranged on the management handles layer of ground floor or B1, the top elevation of the operation layer of described B1 has the accident water level elevation of pump works higher than dark Tunnel Endpoint, when preventing terminal pump station from having a power failure or overhaul, flow backwards equipment is flooded;
Described underground type rain sewage disinfection treatment station comprises further:
Inlet well, it connects shallow-layer drainage system, for accessing the rain sewage in shallow-layer drainage system;
At least two group grid slag separators, it connects inlet well, for the grid slag in filtering rain sewage;
At least two group sand grains removal devices, it connects grid slag separator, for removing the sand grains in rain sewage;
Wet well, it connects sand grains removal device and deep layer tunnel drainage system, for the sewage after filtration is expelled to deep layer tunnel drainage system inflow device.
Described inlet well comprises:
Water inlet pipe, it is arranged on two layers, underground, and connect shallow-layer drainage system, this water inlet pipe is arranged manual and electric double-purpose gate, this manual and electric double-purpose gate is normal throttle valve, and when quick-closing gate breaks down, this manual and electric double-purpose gate closes, the disconnected water inlet of lock;
Quick-closing gate, it is arranged on the port of export of inlet well, when accident conditions quick-closing gate can lock break shallow-layer drainage system access rain sewage;
Bleed off pipe, the top mark height of this bleed off pipe is in B1 top elevation, the gate this bleed off pipe being arranged manual and electric double-purpose gate or can open fast, this manual and electric double-purpose gate is normally closed gate, when quick-closing gate is closed, this manual and electric double-purpose gate is opened, and sewage can by bleed off pipe overflow water body extremely nearby.
Described grid slag separator comprises:
Coarse rack, it is arranged on two layers, underground, for grid except thick grid slag;
Fine fack, after it is arranged on coarse rack, is positioned at two layers, underground, for grid except thin grid slag;
Conveying worm, it is arranged on coarse rack and fine fack unloads below cinder notch, is positioned at B1, and slag-water slurry is delivered to slag-water separator;
Slag-water separator, it connects conveying worm, is positioned at B1, for being separated with grid slag by sewage.
Described grid slag separator also comprises:
Channel gate, it is separately positioned on the both sides of coarse rack and fine fack, is positioned at two layers, underground, for maintenance and the operational management of cutting off the water.
Described sand grains removal device comprises:
Rotational flow grit chamber, it is arranged on two layers, underground, and in water, sand grains etc. remove sand hopper to grit chamber by rotational flow grit chamber;
Sand sucker, it is arranged on B1, and stretches in rotational flow grit chamber, and sand aqueous mixtures is promoted to grit water separator from rotational flow grit chamber;
Grit water separator, it is arranged on B1, and connect sand sucker, be separated by sand aqueous mixtures, sand is arranged outward, and supernatant is back to rotational flow grit chamber.
Described wet well comprises:
Manual and electric double-purpose adjustable weir gate, it is arranged on the entrance point of wet well, for the water level of rotational flow grit chamber in regulation and control sand grains removal device;
Outlet pipe, it is arranged on two layers, underground, and connect deep layer tunnel drainage system, this outlet pipe arranges quick-closing gate, and this quick-closing gate is normal throttle valve, and when deep layer Tunnel Endpoint has pump works fault, this quick-closing gate quick closedown, prevents flow backwards;
Bleed off pipe, the top mark height of this bleed off pipe is in B1 top elevation, the gate this bleed off pipe being arranged manual and electric double-purpose gate or can open fast, this manual and electric double-purpose gate is normally closed gate, when quick-closing gate is closed, this manual and electric double-purpose gate is opened, and sewage can by bleed off pipe overflow water body extremely nearby.
The underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: communication electric power supply control system, it is arranged on ground floor or B1, for inlet well, grid slag separator, sand grains removal device and wet well provide power supply, and realize the communication with inlet well, grid slag separator, sand grains removal device and wet well, control the work of inlet well, grid slag separator, sand grains removal device and wet well; This communication electric power supply control system provides two kinds of communication devices, and VPN communication device is conventional, and GPRS communication device is for subsequent use, this communication electric power supply control system provides double loop power supply inlet wire, the using and the reserved, every road power supply all bears the power load of preprocessing station 100%, ensures the reliability of power supply.
The underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: odor removal, it is arranged on B1, the exhaust funnel of described odor removal elevates above the soil layer, and this odor removal adopts bio filter, or ion-oxygen or chemical washing method carry out deodorizing.
The underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: flow meter, and it is arranged on two layers, underground, is arranged on the open channel top near wet well, and because directly not contacting with rain sewage, flow meter long service life, maintenance workload is little.
The underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: the lighting device being arranged on B1 and two layers, underground, this lighting device comprises optical lighting system and traditional illumination system.
The present invention has following beneficial effect:
1, can effectively tackle the impurity such as suspension, floating thing, and remove the particles such as the sand grains of more than particle diameter 0.11mm, alleviate the operating accumulation of deposits in dark tunnel, reduce the workload of maintenance management, the application life of extension device, save cost;
2, be all or part ofly in underground, environmental friendliness, little on the impact of surrounding enviroment, the above soil space in ground is used for park and makes other purposes such as scape, science and education publicity;
3, deep layer tunnel accidental conditions and various accident conditions can be met simultaneously, be convenient to operational management and overhaul of the equipments;
4, adopt rotational flow grit chamber, have floor space little compared with pond types such as the aerated grit chamber in conventional water treatment process, horizontal-flow grit chambers, construction investment is economized, and plant maintenance is simple, energy consumption is low, the advantage that deodorizing air quantity is little;
5, open-channel meter is not because directly contacting with rain sewage, flow meter long service life, and maintenance workload is little;
6, optical lighting system light source takes from natural light completely; without any artificial energy consumption; and light is soft evenly, entire spectrum, flicker free, free from glare, pollution-free; the physical and mental health of people can be protected to greatest extent; energy-saving and environmental protection, green, and the daylighting requirement after traditional illumination system power-off can be ensured in preprocessing station.
Accompanying drawing explanation
Fig. 1 is a kind of cross-sectional view accessing the underground type rain sewage disinfection treatment station of deep layer tunnel drainage system provided by the invention.
Fig. 2 is a kind of ground plane layer structural representation accessing the underground type rain sewage disinfection treatment station of deep layer tunnel drainage system provided by the invention.
Fig. 3 is a kind of underground two layer plane structural representation accessing the underground type rain sewage disinfection treatment station of deep layer tunnel drainage system provided by the invention.
Detailed description of the invention
Following according to Fig. 1 ~ Fig. 3, illustrate preferred embodiment of the present invention.
As shown in FIG. 1 to 3, the invention provides a kind of underground type rain sewage disinfection treatment station accessing deep layer tunnel drainage system, comprise be arranged on two layers, underground pretreatment unit layer, be arranged on the operation layer of B1 and be arranged on the management handles layer of ground floor or B1, the top elevation of the operation layer of described B1 has the accident water level elevation of pump works higher than dark Tunnel Endpoint, when preventing terminal pump station from having a power failure or overhaul, flow backwards equipment is flooded.
Described underground type rain sewage disinfection treatment station comprises further:
Inlet well, it connects shallow-layer drainage system, for accessing the rain sewage in shallow-layer drainage system;
At least two group grid slag separators, it connects inlet well, for the grid slag in filtering rain sewage;
At least two group sand grains removal devices, it connects grid slag separator, for removing the sand grains in rain sewage;
Wet well, it connects sand grains removal device and deep layer tunnel drainage system, for the sewage after filtration is expelled to deep layer tunnel drainage system inflow device.
Described inlet well comprises:
Water inlet pipe 104, it is arranged on two layers, underground, connects shallow-layer drainage system, this water inlet pipe 104 arranges manual and electric double-purpose gate 101, and this manual and electric double-purpose gate 101 is normal throttle valve, when quick-closing gate 102 breaks down, this manual and electric double-purpose gate 101 closes, the disconnected water inlet of lock;
Quick-closing gate 102, it is arranged on the port of export of inlet well, when accident conditions quick-closing gate 102 can lock break shallow-layer drainage system access rain sewage;
Bleed off pipe 103, the top mark height of this bleed off pipe 103 is in B1 top elevation, this bleed off pipe 103 arranges manual and electric double-purpose gate 101, this manual and electric double-purpose gate 101 is normally closed gate, when quick-closing gate 102 is closed, this manual and electric double-purpose gate 101 is opened, and sewage can by bleed off pipe 103 overflow water body extremely nearby.
Described grid slag separator comprises:
Coarse rack 4, it is arranged on two layers, underground, for grid except thick grid slag;
Fine fack 5, after it is arranged on coarse rack 4, is positioned at two layers, underground, for grid except thin grid slag;
Conveying worm 12, it is arranged on coarse rack 4 and fine fack 5 unloads below cinder notch, is positioned at B1, slag-water slurry is delivered to slag-water separator 13;
Slag-water separator 13, it connects conveying worm 12, is positioned at B1, for being separated with grid slag by sewage;
Channel gate 3, it is separately positioned on the both sides of coarse rack 4 and fine fack 5, is positioned at two layers, underground, for maintenance and the operational management of cutting off the water.
Described coarse rack 4 is mechanical scarfing cinder grid sewage-removing machine, type can be steel wire rope pull, hang mobile grab type, the many scraping board types of Chain conveyer or high chained scheduling, adopt steel wire rope pull in the present embodiment, grizzly bar gap is 16 ~ 25mm, and setting angle is 75 ° ~ 90 °.
Described fine fack 5 is mechanical scarfing cinder grid sewage-removing machine, grate type can be screen plate grid sewage-removing machine, stairs like grate for removing solid substance, rotary sieve, swinging solid-liquid separating machine or Barrate type grilling spotter etc., influent stream formula screen plate grid sewage-removing machine in adopting in the present embodiment, grizzly bar gap is 1.5 ~ 10mm, discharge area is large, floor space is little, under same treatment scale, number of units capable of reducing using, saves cost.
The isolated grid slag of described slag-water separator 13 is carried to lifting eye 12 place being arranged on ground floor by garbage carriage 9, be promoted to outside ground dispose by the hydraulic elevator or other boom hoistings being arranged on B1 (operation layer).
Described sand grains removal device comprises:
Rotational flow grit chamber 11, it is arranged on two layers, underground, available depth be 1.0 ~ 2.0m, Chi Jing with pond deeply than being 2.0 ~ 2.5, the peak flow time of staying is greater than 30s, and in water, sand grains etc. remove sand hopper to grit chamber by rotational flow grit chamber 11;
Sand sucker 7, it is arranged on B1, and stretches in rotational flow grit chamber 11, and sand aqueous mixtures is promoted to grit water separator 8 from rotational flow grit chamber 11;
Grit water separator 8, it is arranged on B1, and connect sand sucker 7, be separated by sand aqueous mixtures, sand is arranged outward, and supernatant is back to rotational flow grit chamber 11.
The isolated sand grains of described grit water separator 8 is carried to lifting eye 12 place being arranged on ground floor by garbage carriage 9, be promoted to outside ground dispose by the hydraulic elevator or other boom hoistings being arranged on B1 (operation layer).
Described wet well comprises:
Manual and electric double-purpose adjustable weir gate 201, it is arranged on the entrance point of wet well, for the water level of rotational flow grit chamber 11 in regulation and control sand grains removal device;
Outlet pipe 205, it is arranged on two layers, underground, connects deep layer tunnel drainage system, this outlet pipe 205 arranges quick-closing gate 203, and this quick-closing gate 203 is normal throttle valve, when deep layer Tunnel Endpoint has pump works fault, this quick-closing gate 203 quick closedown, prevents flow backwards;
Bleed off pipe 204, the top mark height of this bleed off pipe 204 is in B1 top elevation, this bleed off pipe 204 arranges manual and electric double-purpose gate 202, this manual and electric double-purpose gate 202 is normally closed gate, when quick-closing gate 203 breaks down, this manual and electric double-purpose gate 202 is opened, and sewage can by bleed off pipe 204 overflow water body extremely nearby.
Described underground type rain sewage disinfection treatment station also comprises:
Odor removal 6, it is arranged on B1, the exhaust funnel of described odor removal 6 elevates above the soil layer, this odor removal 6 can adopt the methods such as bio filter, ion-oxygen or chemical washing to carry out deodorizing, adopt bio filter in the present embodiment, deodorizing air quantity is by 5 ~ 8 designs of deodorization space unit volume ventilation rate.
Flow meter 10, it is arranged on two layers, underground, be arranged on the open channel top near wet well, open channel flow velocity and liquid level is measured by radar probe, convert flow signal to and deliver to communication electric power supply control system 13 through transmitter translated data after calculating, the certainty of measurement of flow meter 10 between 1% ~ 5%, because directly not contacting with rain sewage, flow meter long service life, maintenance workload is little.
In communication electric power supply control system 13(the present embodiment, adopt electric substation and Service center), it is arranged on ground floor or B1, for inlet well, grid slag separator, sand grains removal device and wet well provide power supply, and realize the communication with inlet well, grid slag separator, sand grains removal device and wet well, control the work of inlet well, grid slag separator, sand grains removal device and wet well; This communication electric power supply control system 13 provides two kinds of communication devices, VPN(Virtual Private Network, virtual private network) communication device is conventional, GPRS(GPRS (general packet radio service), General Packet Radio Service) communication device is for subsequent use, this communication electric power supply control system 13 provides double loop power supply inlet wire, the using and the reserved, every road power supply all bears the power load of preprocessing station 100%, ensures the reliability of power supply.
Lighting device, it is arranged on B1 and two layers, underground, this lighting device comprises optical lighting system and traditional illumination system, daytime uses optical lighting system, night uses traditional illumination system, described optical lighting system refers to that available light is by redistributing in dome skylight highly effective gathering import system, after the light pipe transmission and strengthening of special facture, by the diffusing device of system bottom natural light uniform high-efficiency is irradiated to any place needing light, obtain the special lighting effect brought by natural light, its light source takes from available light completely, without any artificial energy consumption, and light is evenly soft, entire spectrum, flicker free, free from glare, pollution-free, the physical and mental health of people can be protected to greatest extent, energy-conservation, environmental protection, green.
In a specific embodiment of the present invention, the rain sewage of shallow-layer drainage system access accesses inlet well by water inlet pipe 104, the inlet well port of export arranges quick-closing gate 102, can the disconnected water inlet of lock rapidly during accident, inlet well arranges bleed off pipe 103, if quick-closing gate 102 is closed, sewage can by wet well bleed off pipe 103 overflow water body extremely nearby, bleed off pipe top mark height is in B1 top elevation, the manual and electric double-purpose gate 101 that bleed off pipe 103 is arranged is normally closed, open during accident, the manual and electric double-purpose gate 101 that water inlet pipe 104 is arranged is normal throttle valve, if when quick-closing gate 102 lost efficacy, also can the disconnected water inlet of lock.Suspension in rain sewage, floating things etc. are removed to conveying worm 12 through coarse rack 4 and fine fack 5, then be separated to slag-water separator 13 grid slag, grid slag is transported to lifting eye 12 by garbage carriage 9 and transports outward disposal, in water, sand grains etc. remove sand hopper to grit chamber by rotational flow grit chamber 11, grit water separator 8 is promoted to by sand sucker 7, then be transported to lifting eye 12 by garbage carriage 9 and transport outward disposal, channel gate 3 is cut off the water to overhaul at grid and is used, flow meter 10 is for detecting the water yield, the water level of rotational flow grit chamber 11 can carry out regulation and control by manual and electric double-purpose adjustable weir gate 201, water outlet quick-closing gate 203 is arranged on outlet pipe 205, for normal throttle valve, when deep layer Tunnel Endpoint has pump works fault, quick closedown prevents flow backwards, if quick-closing gate 203 is closed, sewage can by wet well bleed off pipe 204 overflow water body extremely nearby, bleed off pipe 204 top mark height is in B1 top elevation, the manual and electric double-purpose gate 202 that bleed off pipe 204 is arranged is normally closed, open during accident.B1 and operation layer top elevation should go out pump works accident water position absolute altitude higher than dark Tunnel Endpoint, prevent terminal pump station from having a power failure and gate when all damaging flow backwards cause B1 to be flooded.Odor removal 6 is arranged on operation layer, and exhaust funnel elevates above the soil, and power transformation in one's power Service center is above ground level, and deodorizing exhaust funnel can rely on wall to rise, and exhaust funnel can around be planted the green plantss such as Boston ivy and is used for view and improves vision.
Structure in the present invention are all or part of is in underground, environmental friendliness, little on surrounding enviroment impact.Full underground type can save a large amount of soil, the above soil space in ground is used for park and makes other purposes such as scape, science and education publicity, the thickness grid of preprocessing station, grit chamber are all placed in two layers, underground by the present invention, odor removal is placed in B1, B1 is operation layer, for regular maintenance management, electric substation and Service center are placed on the ground, facilitate operation management.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. one kind is accessed the underground type rain sewage disinfection treatment station of deep layer tunnel drainage system, it is characterized in that, comprise be arranged on two layers, underground pretreatment unit layer, be arranged on the operation layer of B1 and be arranged on the management handles layer of ground floor or B1, the top elevation of the operation layer of described B1 has the accident water level elevation of pump works higher than dark Tunnel Endpoint, when preventing terminal pump station from having a power failure or overhaul, flow backwards equipment is flooded;
Described underground type rain sewage disinfection treatment station comprises further:
Inlet well, it connects shallow-layer drainage system, for accessing the rain sewage in shallow-layer drainage system;
At least two group grid slag separators, it connects inlet well, for the grid slag in filtering rain sewage;
At least two group sand grains removal devices, it connects grid slag separator, for removing the sand grains in rain sewage;
Wet well, it connects sand grains removal device and deep layer tunnel drainage system, for the sewage after filtration is expelled to deep layer tunnel drainage system inflow device.
2. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 1, it is characterized in that, described inlet well comprises:
Water inlet pipe (104), it is arranged on two layers, underground, connect shallow-layer drainage system, this water inlet pipe (104) is arranged manual and electric double-purpose gate (101), this manual and electric double-purpose gate (101) is normal throttle valve, when quick-closing gate (102) breaks down, this manual and electric double-purpose gate (101) closes, the disconnected water inlet of lock;
Quick-closing gate (102), it is arranged on the port of export of inlet well, when accident conditions quick-closing gate (102) can lock break shallow-layer drainage system access rain sewage;
Bleed off pipe (103), the top mark height of this bleed off pipe (103) is in B1 top elevation, the gate this bleed off pipe (103) being arranged manual and electric double-purpose gate (101) or can open fast, this manual and electric double-purpose gate (101) is normally closed gate, when quick-closing gate (102) is closed, this manual and electric double-purpose gate (101) is opened, and sewage can by bleed off pipe (103) overflow water body extremely nearby.
3. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 1, it is characterized in that, described grid slag separator comprises:
Coarse rack (4), it is arranged on two layers, underground, for grid except thick grid slag;
Fine fack (5), after it is arranged on coarse rack (4), is positioned at two layers, underground, for grid except thin grid slag;
Conveying worm (12), it is arranged on coarse rack (4) and fine fack (5) unloads below cinder notch, is positioned at B1, slag-water slurry is delivered to slag-water separator (13);
Slag-water separator (13), it connects conveying worm (12), is positioned at B1, for being separated with grid slag by sewage.
4. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 3, it is characterized in that, described grid slag separator also comprises:
Channel gate (3), it is separately positioned on the both sides of coarse rack (4) and fine fack (5), is positioned at two layers, underground, for maintenance and the operational management of cutting off the water.
5. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 1, it is characterized in that, described sand grains removal device comprises:
Rotational flow grit chamber (11), it is arranged on two layers, underground, and in water, sand grains etc. remove sand hopper to grit chamber by rotational flow grit chamber (11);
Sand sucker (7), it is arranged on B1, and stretches in rotational flow grit chamber (11), and sand aqueous mixtures is promoted to grit water separator (8) from rotational flow grit chamber (11);
Grit water separator (8), it is arranged on B1, and connect sand sucker (7), be separated by sand aqueous mixtures, sand is arranged outward, and supernatant is back to rotational flow grit chamber (11).
6. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 1, it is characterized in that, described wet well comprises:
Manual and electric double-purpose adjustable weir gate (201), it is arranged on the entrance point of wet well, for the water level of rotational flow grit chamber (11) in regulation and control sand grains removal device;
Outlet pipe (205), it is arranged on two layers, underground, connect deep layer tunnel drainage system, this outlet pipe (205) is arranged quick-closing gate (203), this quick-closing gate (203) is normal throttle valve, when deep layer Tunnel Endpoint has pump works fault, this quick-closing gate (203) quick closedown, prevents flow backwards;
Bleed off pipe (204), the top mark height of this bleed off pipe (204) is in B1 top elevation, the gate this bleed off pipe (204) being arranged manual and electric double-purpose gate (202) or can open fast, this manual and electric double-purpose gate (202) is normally closed gate, when quick-closing gate (203) is closed, this manual and electric double-purpose gate (202) is opened, and sewage can by bleed off pipe (204) overflow water body extremely nearby.
7. as the underground type rain sewage disinfection treatment station of the access deep layer tunnel drainage system in claim 1-6 as described in any one, it is characterized in that, the underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: communication electric power supply control system (13), it is arranged on ground floor or B1, for inlet well, grid slag separator, sand grains removal device and wet well provide power supply, and realize and inlet well, grid slag separator, the communication of sand grains removal device and wet well, control inlet well, grid slag separator, the work of sand grains removal device and wet well, this communication electric power supply control system (13) provides two kinds of communication devices, VPN communication device is conventional, GPRS communication device is for subsequent use, this communication electric power supply control system (13) provides double loop power supply inlet wire, the using and the reserved, every road power supply all bears the power load of preprocessing station 100%, ensures the reliability of power supply.
8. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 7, it is characterized in that, the underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: odor removal (6), it is arranged on B1, the exhaust funnel of described odor removal (6) elevates above the soil layer, this odor removal (6) adopts bio filter, or ion-oxygen or chemical washing method carry out deodorizing.
9. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 8, it is characterized in that, the underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: flow meter (10), it is arranged on two layers, underground, be arranged on the open channel top near wet well, because directly not contacting with rain sewage, flow meter long service life, maintenance workload is little.
10. the underground type rain sewage disinfection treatment station of access deep layer tunnel drainage system as claimed in claim 9, it is characterized in that, the underground type rain sewage disinfection treatment station of described access deep layer tunnel drainage system also comprises: the lighting device being arranged on B1 and two layers, underground, this lighting device comprises optical lighting system and traditional illumination system.
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| CN108331140B (en) * | 2018-01-10 | 2020-08-11 | 河海大学 | Method for eliminating trapped air mass of deep drainage system |
| CN108130948A (en) * | 2018-01-18 | 2018-06-08 | 武汉市政工程设计研究院有限责任公司 | A kind of pressure current water inlet flow channel system suitable for deeper subsurface draining Boosting pumping station |
| CN108130948B (en) * | 2018-01-18 | 2023-10-20 | 武汉市政工程设计研究院有限责任公司 | Pressure flow water inlet runner system suitable for deep underground drainage lifting pump station |
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| CN111501950A (en) * | 2020-05-18 | 2020-08-07 | 焦作大学 | Drainage system for logistics transportation of underground pipe gallery |
| CN113788572A (en) * | 2021-09-01 | 2021-12-14 | 武汉市政工程设计研究院有限责任公司 | Underground sewage pretreatment system connected to deep drainage tunnel |
| CN113788572B (en) * | 2021-09-01 | 2023-11-24 | 武汉市政工程设计研究院有限责任公司 | Underground sewage pretreatment system connected into deep drainage tunnel |
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