CN110499812B - Environment-friendly road surface water and slope water collecting and discharging system - Google Patents
Environment-friendly road surface water and slope water collecting and discharging system Download PDFInfo
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- CN110499812B CN110499812B CN201910858530.2A CN201910858530A CN110499812B CN 110499812 B CN110499812 B CN 110499812B CN 201910858530 A CN201910858530 A CN 201910858530A CN 110499812 B CN110499812 B CN 110499812B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 239000002352 surface water Substances 0.000 title claims abstract description 81
- 238000007599 discharging Methods 0.000 title claims abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 33
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000012876 topography Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000005202 decontamination Methods 0.000 description 3
- 230000003588 decontaminative effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002816 fuel additive Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
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- 239000011593 sulfur Substances 0.000 description 1
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- 239000003440 toxic substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
- E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/40—Means for indicating blockage in sewer systems
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Sewage (AREA)
Abstract
The invention discloses an environment-friendly road surface water and slope surface water collecting and discharging system, in particular to a discharging and treating system for runoff of a highway bridge deck, which comprises road surface side ditches for collecting road surface water and intercepting ditches for collecting slope surface water, wherein the intercepting ditches are mainly arranged at two sides of a embankment, water in the intercepting ditches can be directly discharged, the road surface side ditches mainly collect the road surface water, and the road surface water is treated by a road surface water treatment tank to remove pollution components in the water, so that the pollution of the road surface water to the environment is greatly relieved, the environment can be greatly promoted, the road surface water treatment tank comprises at least two road surface water treatment units, a rainfall sensor and a controller which are connected in parallel, electromagnetic valves are arranged between water inlets of the road surface water treatment units and a main waterway, the electromagnetic valves are connected with control signal output ends of the controller, and the rainfall sensor is connected with sampling signal input ends of the controller.
Description
Technical Field
The invention relates to the field of environmental treatment, in particular to an environment-friendly road surface water and slope water collecting and treating system.
Background
Along with the rapid development of expressways in China, the problem of water can occur in the construction of highway bridges during operation, and the expressway bridge deck runoff is easily and directly discharged in water to cause environmental pollution due to the influence of a plurality of heavy metals, carbohydrates and fuel additives: the method is characterized in that the surface runoff of the expressway is mainly flushed by rainfall, pollutants in the atmosphere and the surface are carried into water bodies, the water bodies are polluted, the runoff components are complex, the pollution is strong, the surface runoff is mainly formed by rainfall, certain rainwater and various vehicles are contained in the surface runoff, tail gas pollutants left by the bridge surface, particles of automobile tires, carried soil, oil leakage of the vehicles and the like, even chemical gases are sometimes generated, the main pollution components of the surface runoff comprise COD (chemical oxygen demand), SS (sulfur, oil, surfactants, heavy metals and other inorganic salts, the COD and SS can be thousands of milligrams per liter, the normal drainage standard is exceeded to a certain extent, the components of the surface runoff are complex, and the pollution is strong.
Because the highway bridge deck runoffs are all open, the area is relatively wide, a plurality of highways are far away from cities, the information collection is relatively lagged, the management difficulty is increased, and in the process of water, some residual toxic substances are easy to flush into a collecting tank, so that inconvenience is brought to the whole collecting work.
At present, the capability of rapid drainage of the expressway is relatively low, and the expressway is mainly divided into two modes of distributed drainage and centralized drainage, when a stronger raining process occurs, the pavement of the expressway can have more accumulated water, and vehicles running at high speed can splash rainwater, so that the visual field is influenced, the vehicles are polluted, traffic accidents are easily caused, and traffic safety is greatly threatened.
In China, a water treatment tank is commonly used in the design of highways, and the water treatment tank is generally arranged beside a highway for draining the road surface of a common road section in China, so that the water treatment tank is not used for collecting all roadbed water, and only when the water body with functions of drinking, cultivation and the like is spanned, the water treatment tank is used for collecting all roadbed water. However, the collection and treatment process of the initial rainwater is not designed and standardized in China, so that the existing expressway (bridge) surface water treatment system is not perfect enough, the defects of poor water treatment effect, high later maintenance cost and the like exist, water resources cannot be effectively recycled, water resource waste is serious, and in conclusion, the expressway water treatment system which is simple in structure, reasonable in design, convenient to construct, convenient to use and maintain and good in use effect is lacking nowadays, and the sewage runoff problem of the expressway (bridge) surface can be effectively solved, and the water resources can be effectively recycled.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an environment-friendly road surface water and slope water collecting and treating system.
The aim of the invention is realized by the following technical scheme:
The environment-friendly road surface water and slope surface water collecting and discharging system comprises a road surface side ditch for collecting road surface water and a water interception ditch for collecting slope surface water, wherein a water outlet of the road surface side ditch is connected with a road surface water treatment tank, and a water outlet of the road surface water treatment tank is converged and discharged with a water outlet of the water interception ditch.
By adopting the technical scheme, the pavement water and the slope water can be discharged independently.
Further, the road surface be the one-way road arch highway section of superelevation, the position that is close to the median in the one-way road arch highway section of superelevation high relief highway section end is provided with the water catch bowl, and the one-way road arch highway section of superelevation is middle and low relief highway section end sets up the road surface side ditch, water catch bowl and road surface side ditch between communicate through horizontal drain pipe.
By adopting the technical scheme, accumulated water on the road surface of the ultrahigh unidirectional road section flows from the high topography road section to the low topography road section, and when approaching the central separation zone, the accumulated water flows into the water collecting tank and flows into the road surface side ditch on the other side along the transverse drain pipe.
Further, the road surface is a two-way road section, and road surface side ditches are arranged on two sides of the two-way road section.
By adopting the technical scheme, accumulated water on the road surface bidirectional road section flows into the road surface side ditches on two sides of the road surface through the road surface and is collected by the road surface side ditches.
Further, the road surface water treatment pool comprises at least two road surface water treatment units which are connected in parallel, a rainfall sensor and a controller, electromagnetic valves are arranged between the water inlets of the road surface water treatment units and the main waterway, each electromagnetic valve is connected with the control signal output end of the controller, and the rainfall sensor is connected with the sampling signal input end of the controller.
Through adopting above-mentioned technical scheme, establish a plurality of road surface water treatment units in the road surface water treatment pond, all be equipped with the solenoid valve between each road surface water treatment unit's water inlet and the main water route, when the rainfall is normal, the signal of rainfall sensor transmission is received to the controller, the solenoid valve is closed, the rainfall processing demand in road surface water treatment pond can be guaranteed to single road surface water treatment unit, when the rainfall is too big, the solenoid valve of follow-up road surface water treatment unit of controller control is opened, a plurality of road surface water treatment units work together, thereby the normal work in road surface water treatment pond has been guaranteed. In a period of time, if the rainfall is kept in a lower or normal state, the single pavement water treatment unit can effectively treat the pavement water, so that the waste of resources can be effectively avoided, and the maintenance difficulty of the water treatment pool is reduced.
Further, the pavement water treatment unit comprises a physical sedimentation layer, a physical filter layer and a biochemical oxidation layer which are sequentially arranged from top to bottom, a hairbrush is reversely and obliquely paved in the physical sedimentation layer along the water inlet direction, an emptying pipe is arranged at the bottom of the physical sedimentation layer, the emptying pipe is connected with a sewage outlet, a sewage draining valve is arranged at the sewage outlet, a spiral sewage draining rod is arranged in the emptying pipe, the spiral sewage draining rod is coaxially connected with the output end of a sewage draining motor, and the sewage draining motor and the sewage draining valve are both connected with the control signal output end of the controller; the physical sedimentation layer in still be equipped with L type overflow drip pipe, L type overflow drip pipe comprises overflow straight tube and trickle violently pipe, the top of overflow straight tube exceeds the plane that the brush is located, trickle violently pipe suspension is located physical filter layer top.
The bottom of the physical filter layer is provided with a plurality of drip holes, a filter screen and an overflow pipe are arranged in the physical filter layer, the top of the overflow pipe is higher than the filter screen, and the bottom of the overflow pipe extends into the biochemical oxidation layer.
Through adopting the technical scheme, for a single pavement water treatment unit, when the water flows in from the road area, the water firstly flows into the physical sedimentation layer, and when the water flows through the hairbrush which is paved in the reverse direction with the water flow, most of granular objects can be blocked by the hairbrush and fall into the emptying pipe below, a spiral sewage draining rod is arranged in the emptying pipe, when certain sediment is accumulated in the emptying pipe, the sewage draining motor can be controlled by the controller to drive the sewage draining spiral rod to drain the sediment through the sewage draining outlet, and the pavement water which is preliminarily sedimented through the hairbrush flows into the second layer of physical filter layer along the L-shaped overflow drain pipe, because the top of the overflow pipe is slightly higher than the plane of the hairbrush, only the upper layer of the pavement water flows into the drip transverse pipe through the overflow pipe, so that the accumulated water flowing into the filter layer has fewer impurities, the pressure of the filter layer is lightened.
After ponding gets into physical filter layer, some subtle insoluble impurity will be adsorbed by the filter screen, and a plurality of drip holes of physical filter layer bottom can improve ponding whereabouts speed, can not let ponding pile up, when the filter screen is saturated gradually, ponding can slowly accumulate in the filter screen top, and the ponding of upper strata will flow into the oxide layer of below through the overflow pipe directly at this moment, just so can not have when the filter screen saturation ponding overflows the condition emergence.
Furthermore, the physical filter layer in still be equipped with L type and stop up suggestion return bend, the bottom height that the L type stops up suggestion return bend is located between overflow pipe top and the filter screen, be provided with the floater fluviograph in the L type stops up suggestion return bend, the floater fluviograph link to each other with the sampling signal input of controller, the controller still links to each other with the remote end alarm server through communication module, the administrator client side passes through communication network visit remote end alarm server.
Through adopting above-mentioned technical scheme, after ponding is preliminary to deposit, flow into the filter layer, the filter screen can adsorb the tiny particulate matter in the aquatic, further get rid of impurity in the aquatic, the L type in the filter layer blocks up the bottom height that the suggestion return bend should set up between overflow pipe top and filter screen, in this way, when the filter screen is saturated gradually, the water level can rise, before the water level has not reached overflow pipe top height, the floater fluviograph in the L type blocks up the suggestion return bend can rise, the floater fluviograph gives the controller through level sensor transmission signal, give the signal after the controller received signal and report to the police the suggestion to the remote end alarm server, the administrator just can visit the remote end alarm server through the administrator client, arrange relevant personnel and change the filter screen, if change untimely, the water level can continue to rise, at this moment ponding can directly flow into below biochemical oxide layer through the overflow pipe, directly carry out oxidation decontamination treatment, can not cause the overflow of ponding.
Compared with the prior art, the invention has the beneficial effects that:
(1) The environment-friendly road surface water collecting and draining system provided by the invention is used for improving the traditional draining system, and the draining system can effectively realize the rapid draining of road surface water to the greatest extent and reduce the damage of water to a road surface structure.
(2) The environment-friendly pavement water collecting and treating system provided by the invention has the advantages of simple structure, reasonable design and convenience in construction.
(3) The environment-friendly road surface water collecting and treating system provided by the invention is used for treating slope surface water and road surface water respectively, the slope surface water can be directly discharged through the drainage ditch, the road surface water treating pool can effectively treat rainwater within a certain time, the pollution concentration of water is reduced, for example, the petroleum substances can be removed by 80%, the COD is removed by 70%, and the environment-friendly road surface water collecting and treating system completely meets the national discharge standard.
(4) The centralized drainage of the expressway is realized, the accumulated water on the road surface is prevented from reducing the safety coefficient of vehicle running in rainy days, and in addition, the transitional flushing of slopes on two sides of the expressway caused by the decentralized drainage can be prevented.
(5) The water treatment effect is good, and the water can be effectively reused for the pavement drainage of the expressway.
Drawings
FIG. 1 is a plan view of a pavement, subgrade rain sewage separation and drainage system;
FIG. 2 is a diagram of a superelevation unidirectional road arch segment;
FIG. 3 is a general bidirectional road segment diagram;
FIG. 4 is a diagram of a road surface water treatment tank;
FIG. 5 is a control system block diagram;
In the figure, a road surface water treatment pool, a 2-ultrahigh one-way road arch road section, a 3-two-way road section, a 4-intercepting ditch, a 5-road surface side ditch, a 6-transverse drain pipe, a 7-electromagnetic valve, an 8-L-shaped overflow drip pipe, a 9-brush, a 10-blow-down port, a 11-filter screen, a 12-floating ball water level meter, a 13-L-shaped blocking prompt pipe, a 14-overflow pipe, a 15-biochemical oxidation layer and a 16-water collecting tank.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an environmental protection road surface water and domatic water collection drainage system, is including the road surface side ditch 5 that is used for collecting road surface water and the water interception ditch 4 that is used for collecting domatic water, the delivery port of road surface side ditch 5 is connected with road surface water treatment pond 1, and the delivery port in road surface water treatment pond 1 and the delivery port of water interception ditch 4 converge the emission.
Example 1:
referring to fig. 1 and 3, the road surface is a bidirectional road section 3, two sides of the bidirectional road section 3 are respectively provided with a road surface side ditch 5, in the bidirectional road section 3 of the road surface, when road surface water is generated on the road surface, accumulated water flows to two sides of the road along a central separation belt, flows into the road surface side ditches 5 on two sides, flows into the road surface water treatment tank 1 below along the road surface side ditches 5, the road surface water is filtered by a filter layer of the road surface water treatment tank 1 to remove large insoluble objects in the road surface water, then the road surface water flows through a silt layer at the bottom of the road surface water treatment tank 1, the silt layer can well precipitate insoluble fine particles in the road surface water, then the oxidation pond oxidizes the road surface water flowing through to remove the pollution concentration in the road surface water, and degrade part of inorganic salt substances in the road surface water to a certain extent, so as to reach the discharge standard, then the water is discharged through a drainage ditch, the utilization rate of the road surface water is greatly improved, and the pollution of the road surface water to the environment is reduced.
When raining, the intercepting ditches 4 and the slope intercepting ditches 4 arranged on two sides of the cutting can intercept rainwater, so that the rainwater directly flows into the drainage ditches and cannot flow through the road surface and the road surface water to be converged.
Example 2:
Referring to fig. 1 and 2, the road surface is an ultra-high unidirectional road arch section 2, a water collecting tank 16 is arranged at the position, close to the isolation belt, of the tail end of a high topography section in the ultra-high unidirectional road arch section 2, a road surface side ditch 5 is arranged at the tail end of a low topography section in the ultra-high unidirectional road arch section 2, the water collecting tank 16 is communicated with the road surface side ditch 5 through a transverse drain pipe 6, when water accumulation is generated on the road surface in the ultra-high unidirectional road arch section 2, the water on the higher side flows to the other side along the arched gradient of the road surface, when the water flows to the central separation belt, the water flows into the water collecting tank 16 and flows into the road surface side ditch 5 on the other side along the transverse drain pipe 6, the water is converged with the pavement water on the lower side pavement at the pavement side ditch 5, then flows into the pavement water treatment tank 1, the filtering layer of the pavement water treatment tank 1 filters the pavement water to remove large insoluble objects in the pavement water, then the pavement water flows through a silt layer at the bottom of the pavement water treatment tank 1, insoluble fine particles in the silt layer can be well precipitated, then the oxidation pond oxidizes the flowing pavement water to remove the pollution concentration in the pavement water, and part of inorganic salt substances in the pavement water are degraded to a certain extent, so that the emission standard is reached, then the water is discharged through the drainage ditch, the utilization rate of the pavement water is greatly improved, and the pollution of the pavement water to the environment is reduced.
In this embodiment, road surface water treatment pond 1 includes three road surface water treatment units that are connected in parallel each other, rain sensor and controller, all be equipped with solenoid valve 7 between each road surface water treatment unit's water inlet and the main water route, each solenoid valve 7 all links to each other with the control signal output of controller, rain sensor links to each other with the sampling signal input of controller, establish a plurality of road surface water treatment units in road surface water treatment pond 1 like this, all be equipped with solenoid valve 7 between each road surface water treatment unit's water inlet and the main water route, when the rainfall is normal, the signal that rain sensor transmitted is received to the controller, solenoid valve 7 is closed, the rainfall processing demand of road surface water treatment pond can be guaranteed to single road surface water treatment unit, when the rainfall is too big, the solenoid valve 7 of follow-up road surface water treatment unit of controller control opens, a plurality of road surface water treatment units work together, thereby the normal work of road surface water treatment pond 1 has been guaranteed.
Specifically, the pavement water treatment unit comprises a physical sedimentation layer, a physical filter layer and a biochemical oxidation layer 15 which are sequentially arranged from top to bottom, wherein a hairbrush 9 is reversely and obliquely paved in the physical sedimentation layer along the water inlet direction, an emptying pipe is arranged at the bottom of the physical sedimentation layer, the emptying pipe is connected with a sewage outlet 10, a sewage draining valve is arranged at the sewage outlet 10, a spiral sewage draining rod is arranged in the emptying pipe, the spiral sewage draining rod is coaxially connected with the output end of a sewage draining motor, and the sewage draining motor and the sewage draining valve are both connected with the control signal output end of the controller; the physical sedimentation layer in still be equipped with L type overflow drip pipe 8, L type overflow drip pipe 8 comprises overflow straight tube and trickle violently pipe, the top of overflow straight tube exceeds the plane that brush 9 is located, trickle violently pipe is hung in the physical filter layer top, so to single road surface water treatment unit, when the road surface rivers come in, first flow in the physical sedimentation layer, when brush 9 that lays with rivers in opposite directions, most particulate matter can be blocked by brush 9 and fall into the evacuation pipe of below, be equipped with spiral blowdown pole in the evacuation pipe, when certain precipitate has been accumulated in the evacuation pipe, can pass through controller control blowdown motor, drive blowdown spiral pole and discharge the precipitate through drain 10, because the road surface ponding of preliminary sediment through brush 9 can flow into the second floor physical filter layer along L type overflow drip pipe 8, because the top of overflow pipe 14 is slightly higher than the plane that brush 9 is located, so the upper strata of road surface ponding just flows in the violently pipe through 14, the impurity of ponding, the pressure of trickling filter layer has been alleviateed. According to the application, the actual rainfall is calculated through the rainfall data acquired by the rainfall sensor, and when the rainfall accumulation reaches a certain preset threshold value, the automatic discharge of the particle sediment is finished by automatically controlling the sewage discharge motor to work.
The bottom of physical filter layer be equipped with a plurality of drip holes, the physical filter in be equipped with filter screen 11 and overflow pipe 14, the top of overflow pipe 14 exceeds filter screen 11, the bottom stretches into biochemical oxide layer 15, after ponding gets into the physical filter layer like this, some subtle insoluble impurity will be adsorbed by filter screen 11, a plurality of drip holes of physical filter layer bottom can improve ponding whereabouts speed, can not let ponding pile up, when filter screen 11 saturation gradually, ponding can slowly accumulate in filter screen 11 top, ponding on upper strata will directly flow into the oxide layer of below through overflow pipe 14 at this moment, just so will not have when filter screen 11 saturation ponding overflow's condition emergence.
The physical filter layer is internally provided with an L-shaped blocking prompt bent pipe, the bottom of the L-shaped blocking prompt bent pipe is positioned between the top of the overflow pipe and the filter screen, a floating ball water level gauge is arranged in the L-shaped blocking prompt bent pipe and is connected with the sampling signal input end of the controller, the controller is also connected with a remote alarm server through a communication module, an administrator client accesses the remote alarm server through a communication network, thus when accumulated water flows into the filter layer after preliminary precipitation, the filter screen 11 can absorb tiny granular objects in water and further remove impurities in water, the bottom of the L-shaped blocking prompt bent pipe 13 in the filter layer is arranged between the top of the overflow pipe 14 and the filter screen 11, in this way, when the filter screen 11 is gradually saturated, the water level will rise, before the water level does not reach the height of the top of the overflow pipe 14, the floating ball water gauge 12 in the L-shaped blockage prompting elbow 13 will rise, the floating ball water gauge 12 transmits signals to the controller through the water level sensor, the controller receives the signals and gives out signals to the remote alarm server to carry out alarm prompting, an administrator can access the remote alarm server through the administrator client, relevant personnel are arranged to replace the filter screen, if the replacement is not timely, the water level will continue to rise, at this time, accumulated water can directly flow into the biochemical oxidation layer below through the overflow pipe 14, oxidation decontamination treatment is directly carried out, and overflow of accumulated water cannot be caused.
In general, when raining, road surface water flows to the road surface water treatment pool 1 through a pipeline, a plurality of electromagnetic valves 7 are arranged on the pipeline, each electromagnetic valve 7 controls one road surface water treatment unit, accumulated water firstly enters a sedimentation layer, larger objects such as leaves and stones are adsorbed and precipitated through a hairbrush 9 and fall into an emptying pipe below, when the sediment reaches a certain amount, a controller controls a sewage discharging motor to drive a sewage discharging screw rod to clean the sediment through the emptying pipe, then the accumulated water enters a filter layer through an L-shaped overflow drip pipe 8, some finer insoluble substances are slowly adsorbed on a filter screen 11, when the filter screen 11 is gradually saturated, the accumulated water increases, the water level rises, so that a floating ball water gauge 12 in an L-shaped blocking prompting bent pipe 13 at one side of the filter layer floats upwards, and a signal is transmitted to the controller through a liquid level sensor, the controller receives the signal and gives out the signal to the remote alarm server to give an alarm prompt, the manager can access the remote alarm server through the manager client to arrange related personnel to replace the filter screen 11, if the replacement is not timely, the water level can continuously rise, at the moment, the accumulated water can directly flow into the lower biochemical oxidation layer 15 through the overflow pipe 14 to directly carry out oxidization decontamination treatment, the accumulated water can not overflow, the accumulated water flows into the bottom biochemical oxidation tank through sedimentation and filtration, the biochemical oxidation tank contains various fungi, the accumulated water can be actively and effectively treated, inorganic salts are biodegraded, finally, the accumulated water on the road surface and the water in the intercepting ditch 4 are converged through the series of treatment, the water is discharged through the drainage ditch, if the rainfall is too large, the rainfall sensor can timely transmit information to the controller, the electromagnetic valve 7 is opened by the controller, the pavement water treatment device can work together by a plurality of units and effectively treat pavement water in time.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (1)
1. An environment-friendly road surface water and slope surface water collecting and discharging system is characterized in that: the water treatment device comprises a pavement side ditch (5) for collecting pavement water and a water interception ditch (4) for collecting slope water, wherein a water outlet of the pavement side ditch (5) is connected with a pavement water treatment tank (1), and a water outlet of the pavement water treatment tank (1) is converged and discharged with a water outlet of the water interception ditch (4);
The road surface is an ultrahigh unidirectional road arch road section (2), a water collecting tank (16) is arranged at the position, close to the isolation belt, of the tail end of the high topography road section in the ultrahigh unidirectional road arch road section (2), the tail end of the low topography road section in the ultrahigh unidirectional road arch road section (2) is provided with a road surface side ditch (5), and the water collecting tank (16) is communicated with the road surface side ditch (5) through a transverse drain pipe (6); or the road surface is a bidirectional road section (3), and road surface side grooves (5) are arranged on two sides of the bidirectional road section (3);
the road surface water treatment pool (1) comprises at least two road surface water treatment units which are connected in parallel, a rainfall sensor and a controller, electromagnetic valves (7) are arranged between the water inlets of the road surface water treatment units and the main waterway, the electromagnetic valves (7) are connected with the control signal output end of the controller, and the rainfall sensor is connected with the sampling signal input end of the controller;
The pavement water treatment unit comprises a physical sedimentation layer, a physical filter layer and a biochemical oxidation layer (15) which are sequentially arranged from top to bottom, wherein a hairbrush (9) is reversely and obliquely paved in the physical sedimentation layer along the water inlet direction, an emptying pipe is arranged at the bottom of the physical sedimentation layer, the emptying pipe is connected with a sewage outlet (10), a sewage draining valve is arranged at the sewage outlet (10), a spiral sewage draining rod is arranged in the emptying pipe, the spiral sewage draining rod is coaxially connected with the output end of a sewage draining motor, and the sewage draining motor and the sewage draining valve are both connected with the control signal output end of the controller; an L-shaped overflow drip pipe (8) is arranged in the physical precipitation layer, the L-shaped overflow drip pipe (8) is composed of an overflow straight pipe and a drip horizontal pipe, the top of the overflow straight pipe is higher than the plane of the hairbrush (9), and the drip horizontal pipe is suspended above the physical filtering layer;
The bottom of the physical filter layer is provided with a plurality of drip holes, a filter screen (11) and an overflow pipe (14) are arranged in the physical filter layer, the top of the overflow pipe (14) is higher than the filter screen (11), and the bottom of the overflow pipe extends into the biochemical oxidation layer (15);
The physical filter layer in still be equipped with L type and stop up suggestion return bend, the bottom height that the L type stops up suggestion return bend is located between overflow pipe (14) top and filter screen (11), be provided with the floater fluviograph in the L type stops up suggestion return bend, the floater fluviograph link to each other with the sampling signal input of controller, the controller still links to each other with the remote end alarm server through communication module, the administrator client side passes through communication network visit remote end alarm server.
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| CN210658599U (en) * | 2019-09-11 | 2020-06-02 | 四川绵九高速公路有限责任公司 | Environment-friendly pavement water and slope surface water collecting and discharging system |
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| KR200198030Y1 (en) * | 2000-03-16 | 2000-10-02 | 대조 바이오텍주식회사 | Integrated treatment facilities for remediation of mobile contaminants of soil and groundwater by the direction of flowpath |
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