CN209523271U - A kind of Highway in Loess Plateau Area pollutionization rain processing system - Google Patents

Abstract

The utility model discloses a kind of Highway in Loess Plateau Area pollutionization rain processing systems, and several slope surface rainwater collection collectors are arranged in the slopes of expressway slope, and the lower port of every slope surface rainwater collection collector is connected with rainwater diversion pipe；Pollutant pre-corrosion device area is set under the slopes of expressway slope, and pollutant pre-corrosion device area is disposed with from top to bottom: plantation soil horizon, fine sand layer, gravel layer and anti-leakage layer；The lower port that every ponding collecting pipe of several ponding collecting pipes is additionally provided in pollutant pre-corrosion device area is connected with rainwater diversion pipe；It is additionally provided with seepage flow collecting pipe between gravel layer and anti-leakage layer, is provided with several for collecting the seepage flow hole of seepage flow rainwater in the tube body upper side of seepage flow collecting pipe；Seepage flow collecting pipe is connected with reservoir.The utility model, which has, to be able to achieve rainwater quick drain and collects；And the harmful substance contained in rainwater can be pre-processed, be convenient for the advantages of improving rainwater purposes.

Description

A kind of Highway in Loess Plateau Area pollutionization rain processing system

Technical field

The utility model relates to a kind of highway Rainwater Resources utilize system, it is specifically a kind of be suitable for can pair Highway Rainwater Resources utilize system.

Background technique

Currently, to the study on construction of green highway, usually from design, construction, management etc. to how reducing energy Source consumption, reduction carbon emission and improvement environmental benefit etc. are set about, and rainwater treatment problem is always as construction green height Fast highway emphasis, specifically, " sponge-type city " is one current popular in terms of the processing to highway rainwater Mode and developing direction.

Sponge-type city has the function of to improve urban ecological system and resists the characteristic of Urban Flood Waterlogging, with " slow row is slow Release " and " source dispersion " planning and design concept, city is become into good " elasticity " that one piece has reply Environmental variations " sponge " realizes nature accumulation, naturally osmotic, self-purification to rainwater, the water of storage is discharged and is used when needing.Sea Continuous the idea of the city is specifically applied on highway, can be divided into people's infiltration substantially, discharge of regulating and storing, be collected the big link of reuse 3.Entering Seeping the common measure of link has: 1) treatment of road surfaces: seepy material of mating formation forms porous pavement, is infiltrated with benefit, such as common saturating Water route face is porous asphalt layer, since penetrated asphalt pavement can reduce the run-off on ground 70%~80%, setting letter in addition Single roadside drainage ditch can meet drainage requirement；(2) infiltration gutter processing: planting plants in gutter, by plant and The suction-operated of base drinks up the rain, and alleviates downstream pressure.

But in northern area due to winter severe cold, there are problem of frost heave, use porous pavement, although meeting sponge city The theory in city's " slow row's sustained release ", but be also bound to cause winter rainwater and penetrate into ground, and penetrate into rainwater also and cannot achieve quickly Discharge, over time can road pavement even side slope basis have an impact, not can guarantee the safety of highway.Particularly, we Noticing northern China, there is also a large amount of drought regions, such as loess plateau to belong to arid and semiarid climate, annual rainfall At 200-700 millimeters, rainfall successively decreases from east to west, from south to north, though rainfall lands mostly in the form of heavy rain less, and presents The feature that heavy rain is more, intensity is big, loosing soil, vegetation are rare in addition, heavy rain and its runoff and are formed by flood, often damage Farmland and other job facilities, cause serious soil erosion.Therefore, the road rain water resource utilization of Loess Plateau is set Applying has important practical value to the engineering design of water conservancy, railway, highway and urban construction etc..

In addition, express highway pavement rainwater runoff pollution object is numerous, source dispersion is not easy to manage, such as the common north The problem of regional highway is polluted there is also winter deicing salt, traditional cheap deicing salt is with villaumite nothing as main component Machine deicing salt contains a large amount of salt in the snow-broth of thawing after traditional deicing salt, injures to vegetation soil larger.Directly will Rainwater on road surface runoff is discharged into soil without any processing or leads to natural water, can contaminated soil and water body.

In summary, it is necessary to effectively control guidance is carried out to express highway pavement rainwater, should quick drain, prevent serious Soil erosion, protects the fields and public work facility is not damaged by heavy rain, and the harmful substance that also prevent it from containing is without processing It is directly entered soil and natural water, the rainwater obtained for collection should also carry out classification benefit depending on its harmful components and degree With.

Utility model content

In view of the above shortcomings of the prior art, the purpose of this utility model is: providing one kind, to be able to achieve rainwater quick Discharge is effectively collected, and prevents heavy rain from causing serious soil erosion, and can carry out to the harmful substance contained in rainwater pre- Processing, convenient for improving the highway pollutionization rain processing system for being suitable for loess and being higher than area of rainwater utilization value.

To achieve the goals above, the utility model uses technical solution below.

A kind of Highway in Loess Plateau Area pollutionization rain processing system, it is characterised in that: express highway pavement paving Dress uses non-seepy material, and the slope surface of expressway slope is mated formation using non-seepy material；The slope surface of the side slope In terraced bank shape, several slope surface rainwater collection collectors are set in the slopes of expressway slope, the slope surface rainwater collection collector Setting direction and express highway pavement direction are perpendicular；The upper port of every slope surface rainwater collection collector is not higher than the slopes table of side slope The lower port in face, every slope surface rainwater collection collector is connected with rainwater diversion pipe；The setting direction and height of the rainwater diversion pipe Fast highway pavement direction is parallel；

Pollutant pre-corrosion device area is set under the slopes of expressway slope, pollutant pre-corrosion device area from upper and Under be disposed with: plantation is with soil horizon, fine sand layer, gravel layer and anti-leakage layer；The plantation is useful with planting on soil horizon In the plant for absorbing pollutant；

Several ponding collecting pipes, the setting side of the ponding collecting pipe are additionally provided in pollutant pre-corrosion device area To perpendicular with ground direction；The upper port of every ponding collecting pipe uses the upper surface of soil horizon not less than the plantation；Every The lower port of ponding collecting pipe is connected with rainwater diversion pipe；

Be additionally provided with seepage flow collecting pipe between the gravel layer and anti-leakage layer, the seepage flow collecting pipe setting direction with Ground direction is parallel, is provided with several for collecting the seepage flow of seepage flow rainwater in the tube body upper side of the seepage flow collecting pipe Hole；The seepage flow collecting pipe is connected with reservoir；

The rainwater diversion pipe is also connected with reservoir, is provided with water pump in reservoir, water pump by spray piping with The spray head that earth's surface is arranged in is connected, and is provided with solenoid valve on the spray piping.

Further: the reservoir also passes through water-supply-pipe and supplies water to Expressway Service, is arranged on the water-supply-pipe There is solenoid valve.

It is equipped with geotextile under the express highway pavement, is equipped with geotextile under the surface of the side slope.

The upper port of the ponding collecting pipe is provided with filter mantle, and the upper port of the slope surface rainwater collection collector is provided with Filter screen.

Compared with prior art, the utility model has the advantages that

(1) in the utility model, express highway pavement is mated formation and is set in expressway slope using non-seepy material Several rainwater collection collectors are set, the setting direction of rainwater collection collector and express highway pavement direction are perpendicular, therefore work as rainwater water Collected by the rainwater collection collector that just can be intensively arranged when stream flows through side slope, and reservoir, water storage are entered by rainwater diversion pipe The rainwater collected in pond can be used for the spray irrigation in dry season greenery patches, and all kinds of cleanings that can be used for Expressway Service are used On the way.To sum up, the utility model avoid rainwater penetrate into it is express highway roadbed, prevent under northern cold snap, excessively penetrate into cause Roadbed frost damage problem caused by roadbed damage, effectively carry out rainwater-collecting and recycling again under the premise of guaranteeing highway safety Utilize, and then can be avoided serious erosion of soil and water caused by the heavy rain of Loess Plateau, and to the farmland of near Highway and its He plays a certain protective role in public work implementation.

(2) in the utility model, the slope surface of expressway slope is mated formation using non-seepy material, and the slope of side slope Body surface face is in terraced bank shape, the water velocity of rainfall runoff is slowed down, so that the rainwater collecting function of slope surface rainwater collection collector obtains It improves, a large amount of rainwater can be collected finally to reservoir.

(3) express highway pavement rainwater runoff pollution object is numerous, and source dispersion is not easy to manage, and the utility model is used and set It sets in the intracorporal collection conduit in expressway slope slope by rainwater-collecting to reservoir, in the biggish situation of rainfall, in slopes The rainwater that collection conduit can not be collected all will enter the pollutant pre-corrosion device area being arranged under the slopes of expressway slope, The substantial greenery patches of pollutant pre-corrosion device, but the greenery patches is integrated with rain water pollutant and partially absorbs, surface pond collection, seeps Stream enters the function that the following rainwater of earth's surface regathers and prevent pollutionization rainwater from entering original soil soil and natural flows, therefore this Utility model also has the advantages that being capable of stage construction absorption, collection pollutionization rainwater.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model；

In figure: 1- slope surface rainwater collection collector；2- rainwater diversion pipe；3- reservoir；4- water pump；5- spray piping；6- spray Head；7- water-supply-pipe；8- pollutant pre-corrosion device area；Soil horizon is used in the plant of 81- kind；82- fine sand layer；83- gravel layer；84- antiseep Layer；9- seepage flow collecting pipe；91- seepage flow hole；10- ponding collecting pipe；The spare reservoir of 11-.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

As shown in Figure 1, a kind of Highway in Loess Plateau Area pollutionization rain processing system, major function can be concluded For rainwater quick drain, collection and pollutant preliminary treatment, specifically design is as follows:

Express highway pavement is mated formation using non-seepy material, and the slope surface of expressway slope is mated formation using non-pervious material Material；The slope surface of side slope is in terraced bank shape, and several slope surface rainwater collection collectors 1, slope are arranged in the slopes of expressway slope The setting direction of face rainwater collection collector 1 and express highway pavement direction are perpendicular；The upper port of every slope surface rainwater collection collector 1 is not Higher than the slope surface of side slope, the lower port of every slope surface rainwater collection collector 1 is connected with rainwater diversion pipe 2；Rainwater diversion pipe 2 Setting direction it is parallel with express highway pavement direction；

Pollutant pre-corrosion device area 8 is set under the slopes of expressway slope, and pollutant pre-corrosion device area 8 is from top to bottom It is disposed with: plantation soil horizon 81, fine sand layer 82, gravel layer 83 and anti-leakage layer 84；There is plantation on planting soil layer 81 For absorbing the plant of pollutant；

Be additionally provided with several ponding collecting pipes 10 in pollutant pre-corrosion device area 8, the setting direction of ponding collecting pipe 9 with Ground direction is perpendicular；The upper port of every ponding collecting pipe 10 is not less than the upper surface of plantation soil horizon 81；Every ponding The lower port of collecting pipe 10 is connected with rainwater diversion pipe 2；

Seepage flow collecting pipe 9,9 setting direction of seepage flow collecting pipe and ground are additionally provided between gravel layer 83 and anti-leakage layer 84 Face direction is parallel, is provided with several for collecting the seepage flow hole 91 of seepage flow rainwater in the tube body upper side of seepage flow collecting pipe 9；Institute Seepage flow collecting pipe 9 is stated to be connected with reservoir 3；

Rainwater diversion pipe 2 is also connected with reservoir 3, and water pump 4 is provided in reservoir 3, and water pump 4 passes through spray piping 5 It is connected with the spray head 6 that earth's surface is arranged in, is provided with solenoid valve on spray piping 5；

Reservoir 3 is also supplied water by water-supply-pipe 7 to Expressway Service, is provided with solenoid valve on water-supply-pipe 7.

In addition, as auxiliary equipment, the utility model is equipped with geotextile under express highway pavement, in the table of side slope Geotextile (preventing micro leakage) is equipped under face.The upper port of ponding collecting pipe 10 is provided with filter mantle, in slope surface rain The upper port of water collection pipe 1 is provided with filter screen (preventing dregs from blocking pipeline).

Rainwater-collecting subsystem realizes that the main operational principle of rainwater quick drain and collection is described below:

Mat formation to mat formation with the slope surface on slope due to express highway pavement and be all made of non-seepy material, rainwater will not seep Leak into roadbed, this is easy for the collection of rainwater, second is that in order to prevent rainwater penetrate into roadbed after to roadbed generate damage (such as Under the northern cold snap that background technology part is mentioned, roadbed caused by roadbed frost damage problem caused by excessively penetrating into is damaged).Side The slope surface on slope is in that terraced bank shape then slows down flowing velocity of the rainwater in side slope (compared to the side slope of plane, rainwater is in terraced bank The side slope surface extended residence time of shape) it is convenient for rainwater collected by slope surface rainwater collection collector, rainwater is by slope surface rainwater collection collector Rainwater diversion pipe is flowed into after collection, subsequently enters reservoir.From the above process it can be seen that rainwater will be difficult to enter highway subgrade, Occur so as to avoid the case where damage roadbed, and part rainwater is also collected.

After rainwater flows through expressway slope, still there is part rainwater to be difficult to be arranged on side in the case where rainfall is bigger Collected by slope surface rainwater collection collector inside slope, this part rainwater will flow into the pollutant pre-corrosion being arranged in below side slope slopes Device area, it is equal that rainwater passes sequentially through pollutant and impurity after plantation soil horizon, fine sand layer and the gravel layer in pollutant pre-corrosion area Available a degree of absorption and filtering reach rainwater then (the seepage flow collection collected by seepage flow collecting pipe of gravel layer The tube body upper side of pipe is provided with several for collecting the seepage flow hole of seepage flow rainwater), hence into reservoir.Of course for mentioning High water treatment efficiency, this part are necessarily reduced via rainwater pollution degree of the pollutant pre-corrosion device area after processed, therefore can To drain into an individual reservoir, it is convenient for classified use.

When rainfall is larger, rainwater, which will necessarily be accumulated to be difficult to realize effectively discharge in time in pollutant pre-corrosion area, to be caused Pollutant pre-corrosion area waterlogging, to solve this problem, the utility model are additionally provided with several in pollutant pre-corrosion device area Root ponding collecting pipe, the setting direction of ponding collecting pipe and ground direction are perpendicular；The upper port of every ponding collecting pipe is not low In the upper surface of plantation soil horizon, therefore effectively discharge then can be achieved when there is ponding and collect.It can be seen that in the utility model In, rainwater-collecting subsystem is the Freeway Infrastructure for realizing rainwater discharge, collection and pollutant preliminary treatment.

In order to improve the intelligence of the utility model, rainwater-collecting treatment effeciency and effect are further promoted, it can also be On the basis of the utility model install additional pollutant real-time monitoring subsystem, it be mainly used for the harmful substance contained in rainwater into Row real-time monitoring, and then can be realized the rainwater obtained for collection and carry out classified use.

Pollutant real-time monitoring subsystem is provided in reservoir, pollutant monitoring subsystem includes: microprocessor, dirt Contaminate object monitoring sensor module, water level sensor and GPRS module；Water level sensor turns CAN module and microprocessor by UART Connection；GPRS module and microprocessor electrical connection；Pollutant monitoring sensor module is mainly examined by conductivity sensor, pH value Survey sensor, turbidity transducer and chlorophyll sensor composition；Each sensor in pollutant monitoring sensor module with it is micro- Processor electrical connection；Precipitation rain fall sensor is additionally provided on planting soil layer, precipitation rain fall sensor is electrically connected with microprocessor；

Reservoir 3 is also connected with the 1st, 2,3 ... N classification reservoir respectively；Reservoir and the 1st, 2,3 ... N classification water storage Solenoid valve is provided between pond；The quantity of N optionally selects the natural number between 2 to 15.

Each solenoid valve is controlled by microprocessor.

Most important two o'clock to rainwater monitoring is exactly the Rational choice of monitoring point and sensor.Heavy rain later and normal condition Under, the data that different monitoring points collect usually have larger difference, and certain the utility model mainly monitors in reservoir Rainwater pollution situation.

In the utility model, precipitation rain fall sensor can be also set up on planting soil layer, rainfall made in the feature period Water level rises on interior planting soil layer, and precipitation rain fall sensor can continue to monitor rainfall flexibly to collect storage rainwater. Prediction meanss of the precipitation rain fall sensor as amount of rainfall in a word provide reference number for the operations during utility model works According to.

Water quality detection includes other ginsengs such as temperature, pH, conductivity, dissolved oxygen, turbidity, depth, chlorophyll and salinity Number.Detection obtains data and again may be by GPRS network being sent to monitoring department, and the purposes of rainwater is determined after analysing scientifically. Specifically, according to the water quality situation that pollutant monitoring sensor module real-time dynamic monitoring arrives, according to pollution level and pollution class Type carries out classification storage to the rainwater being stored in reservoir, for example, it can be set to several classes of pollution, according to the class of pollution pair The rainwater being stored in reservoir is continued to monitor, and determines to be diverted into the 1st, 2,3 ... N classification water storage at the end of the fixed period Which of pond reservoir can carry out rough classification to pollutionization rainwater in this way, be convenient for subsequent processing.Certainly this all Need being turned on or off and opening for the solenoid valve between micro process two main reservoirs of control and each classification reservoir Or the duration closed is realized.

It is worth mentioning that loess is higher than a regional rainfall usually within one day several hour or even shorter time is complete At the rainfall data of high-resolution (such as hour) facilitates the basic physical process for accurately disclosing Rainfall Characteristics.

The pollutant real-time monitoring subsystem that the utility model installs additional, and the rainfall sensing being arranged on planting soil layer Device can carry out real-time monitoring to the harmful substance and rainfall contained in rainwater, in addition to can be realized the rainwater obtained for collection Carry out classified use；Specific cell domain, the high-resolution rainfall data in the short time can also be acquired, this will grind for related science Study carefully and provides convenience with engineer application.

Finally, it is stated that above embodiments are only to illustrate the technical solution of the utility model, rather than limit, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (4)

1. a kind of Highway in Loess Plateau Area pollutionization rain processing system, it is characterised in that: express highway pavement is mated formation Using non-seepy material, the slope surface of expressway slope is mated formation using non-seepy material；The slope surface of the side slope is in Several slope surface rainwater collection collectors (1), the slope surface rainwater collection collector is arranged in terraced bank shape in the slopes of expressway slope (1) setting direction and express highway pavement direction are perpendicular；The upper port of every slope surface rainwater collection collector (1) is not higher than side slope Slope surface, the lower port of every slope surface rainwater collection collector (1) is connected with rainwater diversion pipe (2)；The rainwater diversion pipe (2) setting direction is parallel with express highway pavement direction；

Pollutant pre-corrosion device area (8) are set under the slopes of expressway slope, pollutant pre-corrosion device area (8) is from upper It is disposed under and: plantation soil horizon (81), fine sand layer (82), gravel layer (83) and anti-leakage layer (84)；The plantation There is the plant for absorbing pollutant with plantation on soil horizon (81)；

Several ponding collecting pipes (10), the ponding collecting pipe (10) are additionally provided in pollutant pre-corrosion device area (8) Setting direction and ground direction it is perpendicular；The upper port of every ponding collecting pipe (10) uses soil horizon not less than the plantation (81) upper surface；The lower port of every ponding collecting pipe (10) is connected with rainwater diversion pipe (2)；

It is additionally provided between the gravel layer (83) and anti-leakage layer (84) seepage flow collecting pipe (9), the seepage flow collecting pipe (9) Setting direction is parallel with ground direction, the tube body upper side of the seepage flow collecting pipe (9) be provided with several for collect infiltration Flow the seepage flow hole (91) of rainwater；The seepage flow collecting pipe (9) is connected with reservoir (3)；

The rainwater diversion pipe (2) is also connected with reservoir (3), is provided with water pump (4) in reservoir (3), water pump (4) passes through Spray piping (5) is connected with the spray head (6) that earth's surface is arranged in, and is provided with solenoid valve on the spray piping (5).

2. a kind of Highway in Loess Plateau Area pollutionization rain processing system according to claim 1, feature exist In: the reservoir (3) is also supplied water by water-supply-pipe (7) to Expressway Service, is provided with electromagnetism on the water-supply-pipe (7) Valve.

3. a kind of Highway in Loess Plateau Area pollutionization rain processing system according to claim 1 or 2, special Sign is: being equipped with geotextile under the express highway pavement, is equipped with geotextile under the surface of the side slope.

4. a kind of Highway in Loess Plateau Area pollutionization rain processing system according to claim 1 or 2, special Sign is: the upper port of the ponding collecting pipe (10) is provided with filter mantle, and the upper port of the slope surface rainwater collection collector (1) is equal It is provided with filter screen.