CN107014644B - Urban road surface runoff collection system - Google Patents

Urban road surface runoff collection system Download PDF

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Publication number
CN107014644B
CN107014644B CN201710396224.2A CN201710396224A CN107014644B CN 107014644 B CN107014644 B CN 107014644B CN 201710396224 A CN201710396224 A CN 201710396224A CN 107014644 B CN107014644 B CN 107014644B
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rainfall
road surface
sampling bottle
probe
collection
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CN107014644A (en
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赵钺
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Baoji University of Arts and Sciences
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Baoji University of Arts and Sciences
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1886Water using probes, e.g. submersible probes, buoys
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The invention discloses an urban road surface runoff collection system, which comprises a runoff collection device, a rainfall collection device and a water quality parameter measurement device, wherein the rainfall collection device is connected with the runoff collection device; the runoff collection device comprises a collection vessel arranged below the well lid, and the collection vessel is connected with a water pump and a first sampling bottle; the rainfall collecting device comprises a rainfall collecting vessel, a bracket is arranged on the rainfall collecting vessel, a liquid outlet is formed in the center of the bottom of the rainfall collecting vessel, and a second sampling bottle is arranged at the outlet of the liquid outlet; the water quality parameter measuring device comprises a microcomputer, and a first detecting probe arranged on the collecting vessel and a second detecting probe arranged at the bottom of the rainfall collecting vessel are connected to the microcomputer. Through setting up the rainwater collection device who collects dish and road surface in the well lid below to can extract the sampling at any time through the suction pump, carry out water quality monitoring at any time through test probe, avoid opening the process of escape canal when detecting road path flowing water quality, practice thrift the manpower, do not influence the municipal road and pass.

Description

Urban road surface runoff collection system
Technical Field
The invention relates to the technical field of environmental engineering, in particular to an urban road surface runoff collection system.
Background
In recent years, with the rapid development of economy, municipal transportation facilities are becoming perfect, urban roads are becoming increasingly popular, and a series of negative effects are brought to the environment while convenience is brought to daily life of people, wherein more influence of traffic noise and motor vehicle tail gas is studied, and road surface runoff as a potential water pollution source also starts to gradually attract the eyes of researchers. The urban road surface can release a large amount of pollutants with heavy metals, hydrocarbons, rubber, fuel oil and the like which are extremely harmful to the environment due to the abrasion of the tires of the motor vehicle, and the pollutants migrate along with the surface runoff in the rainfall or municipal leaching process, and in addition, most of the pollutants in the tail gas discharged by the motor vehicle can finally be converged into the surface runoff under the action of natural sedimentation or rain wash, so that the investigation of the occurrence state of the pollutants is carried out by collecting the urban road surface runoff, the method has important practical and theoretical significance for objectively evaluating the pollution of the surface water environment, and particularly, the road surface runoff collection and investigation are also important bases for evaluating the environmental risks for the transportation of dangerous chemical vehicles along road sections.
However, at present, no special collection device for urban road runoffs is designed, and the existing collection method is mainly used for manually sampling at municipal drainage wells, and the runoffs collected into the drainage wells are collected by opening the drainage wells and suspending rope input by using simple containers. In actual operation, there are the following problems:
(1) The drainage well needs to be opened, so that the traffic of municipal roads is seriously influenced, and great potential safety hazards exist.
(2) The road surface runoff is collected after being collected in the drainage well, the collected sample is obviously influenced by the channel environment in the drainage well, and especially after the collected sample contacts the sludge remained at the bottom of the well, the types and the concentration of pollutants in the collected sample are changed, and the objectivity and the authenticity are influenced.
(3) The simple container is relatively long in input and withdrawal time, and the continuity of the sample collection process is poor.
(4) The collection process does not determine the variable water quality parameters of the runoff, such as temperature, pH and dissolved oxygen, which are often subject to large errors due to environmental factors changing when returned to laboratory determination.
(5) The lack of collection of runoff sources, without separate collection of rainfall or municipal wash water, is detrimental to the final source of contaminants for later analysis.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the urban road surface runoff collection system with a simple structure, so that the urban road surface runoff collection system is convenient to use, high in automation degree and labor-saving.
In order to solve the problems existing in the background technology, the technical scheme of the invention is as follows:
a city road surface runoff collection system comprises a runoff collection device, a rainfall collection device and a water quality parameter measuring device;
the runoff collection device comprises a collection vessel arranged below the well lid, and the collection vessel is connected with a water pump and a first sampling bottle;
the rainfall collecting device comprises a rainfall collecting vessel, a bracket is arranged on the rainfall collecting vessel, a liquid outlet is formed in the center of the bottom of the rainfall collecting vessel, and a second sampling bottle is arranged at the outlet of the liquid outlet;
the water quality parameter measuring device comprises a microcomputer, and a first detecting probe arranged on the collecting vessel and a second detecting probe arranged at the bottom of the rainfall collecting vessel are connected to the microcomputer.
Still preferably, the present invention provides a city road surface runoff collection system, wherein:
the collecting vessel is fixed below the well lid through a trapezoid fixing table; a central axis of the bottom of the trapezoid fixing table is provided with a pipeline groove, the center of the bottom of the trapezoid fixing table is provided with a fixing blind hole, and threads are contained in the blind hole;
the collecting vessel is an inflatable collecting vessel, the collecting vessel is in a hemispherical shell shape after being filled with air, the center of the collecting vessel is of a cylindrical structure, a protective sleeve is sleeved on the cylindrical structure, a valve core with a cover is arranged at the top of the cylindrical structure, and external threads matched with the threads of the fixed blind holes are arranged on the outer side of the valve core with the cover;
the outer side of the bottom of the protective sleeve is provided with a liquid suction port and a first detection probe, and the liquid suction port is connected with a liquid guide tube;
one end of the water suction pump is connected with the liquid guide pipe through a plastic pipe, and the other end of the water suction pump is connected with a first sampling bottle through a first transfer port.
Still preferably, the present invention provides an urban road surface runoff collection system, wherein the first detection probe comprises a first pH probe, a first temperature probe, and a first dissolved oxygen probe.
Still preferably, the present invention provides an urban road surface runoff collection system, wherein the first transfer port comprises threads, the threads being used in cooperation with threads on the outside of the top of the first sampling bottle.
Still preferably, the urban road surface runoff collection system provided by the invention is characterized in that the first sampling bottle is provided with a first scale, and the top of the first sampling bottle is provided with a first matched bottle cap.
Still preferably, the present invention provides an urban road surface runoff collecting system, wherein the cover valve core is provided with an inflator and an air needle for performing inflation and deflation operations.
Still preferably, the urban road surface runoff collecting system provided by the invention is characterized in that the trapezoid fixing table is made of hard rubber material, and the inflatable collecting dish is made of polyethylene terephthalate (PET) plastic material.
Still preferably, the urban road surface runoff collection system provided by the invention is characterized in that the rainfall collection vessel is in a hemispherical shell shape, the rainfall collection vessel is connected with the second sampling bottle through a second switching port, a switch valve is arranged on the outer side of the second switching port, the top of the second switching port is connected with the liquid outlet through threads, and the bottom of the second switching port is connected with the second sampling bottle through threads.
Still preferably, the urban road surface runoff collection system provided by the invention is characterized in that a second graduated scale is arranged outside the second sampling bottle, and a second matched bottle cap is arranged at the top of the second sampling bottle.
Still preferably, the urban road surface runoff collection system provided by the invention, wherein the second detection probe is positioned on the inner wall of the bottom of the rainfall collection vessel, and the second detection probe comprises a second pH probe, a second temperature probe and a second dissolved oxygen probe.
Compared with the prior art, the invention has the beneficial effects that: through setting up the rainwater collection device who collects dish and road surface below the well lid to can extract the sampling at any time through the suction pump, carry out water quality monitoring at any time through test probe, avoid opening the process of escape canal when detecting the road path flowing water quality, practice thrift the manpower, do not influence municipal road traffic, safe and reliable, the sample of collecting does not receive the influence of escape canal internal channel environment, objective authenticity is strong, and collection process continuity is strong, and degree of automation is higher, but collection process simultaneous survey record is changeed quality of water parameter pH, temperature and dissolved oxygen. And meanwhile, rainfall of the runoff source item is collected, so that the final source of pollutants is conveniently analyzed in the later period.
Drawings
FIG. 1 is a schematic diagram of a city road surface runoff collection system of the present invention;
FIG. 2 is a disassembled view of a runoff collection device in the urban road surface runoff collection system of the present invention;
FIG. 3 is a schematic view of a pump in the radial flow collection device of the present invention;
fig. 4 is a disassembled view of a rainfall collection device in the urban road surface runoff collection system of the present invention.
Wherein:
1-a trapezoid fixing table; 1-a pipeline groove; 1-2-fixing blind holes;
2-protecting the sleeve; 2-1-a first pH probe; 2-a first temperature probe;
2-3-a first dissolved oxygen probe; 2-4-a liquid suction port; 2-5-catheter;
3-collecting the dishes; 3-1-valve core with cover; 4, a water suction pump;
5-a first transfer interface; 6-a first sampling bottle; 6-1-a first scale;
6-2, a first matched bottle cap; 7-a rainfall collection vessel; 7-1, a liquid outlet;
7-2-a second pH probe; 7-3, a second temperature probe; 7-4, a second dissolved oxygen probe;
8-a second interface; 8-1-opening and closing a valve; 9-a second sampling bottle;
9-1-a second graduated scale; 9-2, a second matched bottle cap; 10-a bracket;
11-a microcomputer; 12-an inflator; 12-1, an air needle.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a city road surface runoff collecting system, which comprises a runoff collecting device, a rainfall collecting device and a water quality parameter measuring device;
the runoff collection device comprises a collection vessel 3 arranged below the well lid, and the collection vessel 3 is connected with a water pump 4 and a first sampling bottle 6;
the rainfall collecting device comprises a rainfall collecting dish 7, a bracket 10 is arranged on the rainfall collecting dish 7, a liquid outlet 7-1 is arranged in the center of the bottom of the rainfall collecting dish 7, and a second sampling bottle 9 is arranged at the outlet of the liquid outlet 7-1;
the water quality parameter measuring device comprises a microcomputer 11, and the microcomputer 11 is connected with a first detection probe arranged on the collecting vessel 3 and a second detection probe arranged at the bottom of the rainfall collecting vessel 7.
Specifically, as shown in fig. 2, the collection dish 3 is fixed below the manhole cover through a trapezoid fixing table 1; the central axis of the bottom of the trapezoid fixed table 1 is provided with a pipeline groove 1-1, the center of the bottom is provided with a fixed blind hole 1-2, and the fixed blind hole 1-2 is internally provided with threads;
the collecting vessel 3 is an inflatable collecting vessel, the collecting vessel 3 is in a hemispherical shell shape after being filled with air, the center of the collecting vessel 3 is of a cylindrical structure, the cylindrical structure is sleeved with a protective sleeve 2, the top of the cylindrical structure is provided with a valve core 3-1 with a cover, and the outer side of the valve core 3-1 with the cover is provided with external threads matched with the threads of the fixed blind hole 1-2; for the purpose of fastening in rotation, as shown in fig. 3, the cover valve core 3-1 is provided with an inflator 12 and an air needle 12-1 for performing inflation and deflation operations.
The outer side of the bottom of the protective sleeve 2 is provided with a liquid suction port 2-4 and a first detection probe, and the liquid suction port 2-4 is connected with a liquid guide tube 2-5;
one end of the water suction pump 4 is connected with the liquid guide pipe 2-5 through a plastic pipe, and the other end is connected with a first sampling bottle 6 through a first transfer port 5. The first adapter 5 is internally provided with threads, the threads are matched with threads on the outer side of the top of the first sampling bottle 6 to achieve the purpose of rotating, tightening and fixing, the first sampling bottle 6 is provided with a first scale 6-1, and the top of the first sampling bottle 6 is provided with a first matched bottle cap 6-2.
Preferably, the first detection probe comprises a first pH probe 2-1, a first temperature probe 2-2 and a first dissolved oxygen probe 2-3, and the pH, the temperature and the dissolved oxygen of the parameters of the changeable water quality can be measured simultaneously.
As shown in fig. 4, the rainfall collection vessel 7 is in a hemispherical shell shape, the outer side of the bottom of the rainfall collection vessel 7 is provided with a support 10 for fixing and placing the whole device, the rainfall collection vessel 7 is connected with a second sampling bottle 9 through a second transfer port 8, the outer side of the second transfer port 8 is provided with a switch valve 8-1, the switch of the second transfer port 8 can be controlled, the top of the second transfer port 8 is connected with a liquid outlet 7-1 through threads, and the bottom of the second transfer port 8 is connected with the second sampling bottle 9 through threads. The second graduated scale 9-1 is arranged outside the second sampling bottle 9, so that the volume is convenient to view, and the second matched bottle cap 9-2 is arranged at the top of the second sampling bottle 9. The second detection probe is positioned on the inner wall of the bottom of the rainfall collection vessel 7 and comprises a second pH probe 7-2, a second temperature probe 7-3 and a second dissolved oxygen probe 7-4.
The first pH probe 2-1, the first temperature probe 2-2, the first dissolved oxygen probe 2-3, the second pH probe 7-2, the second temperature probe 7-3 and the second dissolved oxygen probe 7-4 are connected with the microcomputer 11 through data lines.
In this embodiment, the trapezoid fixing table 1 is made of hard rubber; the protective sleeve 2, the first transfer port 5, the liquid suction port 2-4, the liquid guide pipe 2-5, the rainfall collection dish 7, the second transfer port 8, the switch valve 8-1, the bracket 10 and the air needle 12-1 are made of stainless steel; the inflatable collecting vessel 3, the first sampling bottle 6, the first matched bottle cap 6-2, the second sampling bottle 9 and the second matched bottle cap 9-2 are made of polyethylene terephthalate (PET) plastic materials; the valve core with the cover 3-1, the first graduated scale 6-1 and the second graduated scale 9-1 are all made of acrylonitrile-butadiene-styrene (ABS) plastic materials.
The working principle of the invention is as follows:
firstly, plugging an inflatable collection vessel into a gap of a drain well lid, performing inflation operation on a valve core 3-1 with a cover by using a special inflator 12 and an air needle 12-1, and fully expanding the inflatable collection vessel after filling air to maintain a hemispherical shell configuration; then the protective sleeve 2 is sleeved on the central cylinder of the inflatable collecting vessel, and the end connected with the liquid suction port 2-4 is ensured to face downwards; afterwards, the valve core 3-1 with the cover and the fixed blind hole 1-2 are fastened and fixed through threads, a plastic conduit connected with the liquid guide pipe 2-5 and a data wire connected with the first pH probe 2-1, the first temperature probe 2-2 and the first dissolved oxygen probe 2-3 are arranged, one end of the data wire is arranged in the pipeline groove 1-1, and the trapezoid fixing table 1 is horizontally arranged on the cover of the drainage well along the bevel edge direction, so that the normal passing of vehicles is not affected;
the other end of the plastic conduit is connected with the inlet of the small water pump 4, the first sampling bottle 6 is connected with the small water pump 4 through the first conversion interface 5, the other end of the data line is connected with the microcomputer 11, and the small water pump 4, the first sampling bottle 6 and the microcomputer 11 are placed at a safe position on a crosswalk;
finally, the second sampling bottle 9 is connected with the liquid outlet 7-1 through the second interface 8, the switch valve 8-1 is closed, the second pH probe 7-2, the second temperature probe 7-3, the second dissolved oxygen probe 7-4 and the microcomputer 11 are connected through data lines, the whole rainfall collecting device is placed at a safe position on a crosswalk through the bracket 10, and the debugging of the whole device is completed after the connection of each probe is checked through the computer adjustment.
When rainfall occurs, road runoff is collected by a gap of a drain well cover and enters an inflatable collecting vessel for temporary storage, a switch of a small water pump 4 is turned on to enable the small water pump 4 to work for pumping, the temporarily stored runoff enters a liquid guide pipe 2-5 through a liquid suction port 2-4 and finally enters a first sampling bottle 6 along with a plastic pipe, a first scale 6-1 is observed, the switch of the small water pump 4 is turned off after the liquid level reaches a specified sampling volume, the first sampling bottle 6 is detached, the collection of runoff samples is completed after a first matched bottle cap 6-2 is closed, and if the collection is required to be continuously carried out, the steps are repeated after a new first sampling bottle 6 is replaced; the runoff water quality data which is measured by the first pH probe 2-1, the first temperature probe 2-2 and the first dissolved oxygen probe 2-3 and is temporarily stored in the inflatable collection vessel is transmitted to the microcomputer 11 through a data line for recording; the method comprises the steps of collecting rainwater during runoff collection, temporarily storing the rainwater in a rainfall collection vessel 7, after submerging a second pH probe 7-2, a second temperature probe 7-3 and a second dissolved oxygen probe 7-4, transmitting measured rainwater quality data to a microcomputer 11 through a data line for recording, opening a switch valve 8-1 to adjust to proper flow, temporarily storing the rainwater in a second sampling bottle 9, observing a second graduated scale 9-1, closing the switch valve 8-1 after the liquid level reaches a specified sampling volume, detaching the second sampling bottle 9, completing the collection of rainwater samples after the bottle cap 9-2 is covered by a second matching cover, and repeating the steps if the collection is needed to be continuously carried out, and replacing a new second sampling bottle 9; after the whole collection process is finished, the relevant instrument is disassembled according to the steps, wherein the inflatable collection vessel can be deflated by inserting the air needle 12-1, and then is taken out from the gap of the drain well lid.
It will be apparent to those skilled in the art that the foregoing embodiments are merely preferred embodiments of the invention, and that modifications and variations of some parts of this invention are possible, as will be apparent to those skilled in the art, while still embodying the principles of this invention and achieving the objects of this invention and all such modifications and variations as may be within the scope of the invention as defined in the appended claims.

Claims (8)

1. The urban road surface runoff collection system is characterized by comprising a runoff collection device, a rainfall collection device and a water quality parameter measurement device;
the runoff collection device comprises a collection vessel (3) arranged below the well lid, and the collection vessel (3) is connected with a water pump (4) and a first sampling bottle (6);
the rainfall collecting device comprises a rainfall collecting dish (7), a bracket (10) is arranged on the rainfall collecting dish (7), a liquid outlet (7-1) is arranged in the center of the bottom of the rainfall collecting dish (7), and a second sampling bottle (9) is arranged at the outlet of the liquid outlet (7-1);
the water quality parameter measuring device comprises a microcomputer (11), wherein the microcomputer (11) is connected with a first detecting probe arranged on the collecting vessel (3) and a second detecting probe arranged at the bottom of the rainfall collecting vessel (7);
the collecting dish (3) is fixed below the well lid through the trapezoid fixing table (1); a pipeline groove (1-1) is formed in the central axis of the bottom of the trapezoid fixing table (1), a fixing blind hole (1-2) is formed in the center of the bottom, and threads are contained in the fixing blind hole (1-2);
the collecting vessel (3) is an inflatable collecting vessel, the collecting vessel (3) is in a hemispherical shell shape after being filled with air, the center of the collecting vessel (3) is of a cylindrical structure, a protective sleeve (2) is sleeved on the cylindrical structure, a valve core (3-1) with a cover is arranged at the top of the cylindrical structure, and external threads matched with the threads of the fixed blind hole (1-2) are arranged on the outer side of the valve core (3-1) with the cover;
the outer side of the bottom of the protective sleeve (2) is provided with a liquid suction port (2-4) and a first detection probe, and the liquid suction port (2-4) is connected with a liquid guide tube (2-5);
one end of the water suction pump (4) is connected with the liquid guide pipe (2-5) through a plastic pipe, and the other end of the water suction pump is connected with the first sampling bottle (6) through a first transfer port (5);
the rainfall collection dish (7) is of a hemispherical shell shape, the rainfall collection dish (7) is connected with a second sampling bottle (9) through a second rotating interface (8), a switch valve (8-1) is arranged on the outer side of the second rotating interface (8), the top of the second rotating interface (8) is connected with a liquid outlet (7-1) through threads, and the bottom of the second rotating interface (8) is connected with the second sampling bottle (9) through threads.
2. Urban road surface runoff collection system according to claim 1, characterized in that the first detection probe comprises a first pH probe (2-1), a first temperature probe (2-2), and a first dissolved oxygen probe (2-3).
3. Urban road surface runoff collection system according to claim 1, characterized in that said first adapter (5) comprises a thread, said thread being used in cooperation with a thread on the outside of the top of the first sampling bottle (6).
4. Urban road surface runoff collection system according to claim 1, characterized in that the first sampling bottle (6) is provided with a first scale (6-1), the top of the first sampling bottle (6) being provided with a first mating bottle cap (6-2).
5. Urban road surface runoff collection system according to claim 1, characterized in that said cover valve core (3-1) is equipped with an inflator (12) and an air needle (12-1) for performing the inflation and deflation operations.
6. Urban road surface runoff collection system according to claim 1, characterized in that said trapezoidal fixed table (1) is made of hard rubber material and said inflatable collection dish is made of polyethylene terephthalate (PET) plastic material.
7. Urban road surface runoff collection system according to claim 1, characterized in that the second sampling bottle (9) is provided with a second graduated scale (9-1) outside, the top of the second sampling bottle (9) being provided with a second mating bottle cap (9-2).
8. Urban road surface runoff collection system according to claim 1, characterized in that the second detection probe is located at the bottom inner wall of the rainfall collection dish (7), comprising a second pH probe (7-2), a second temperature probe (7-3) and a second dissolved oxygen probe (7-4).
CN201710396224.2A 2017-05-27 2017-05-27 Urban road surface runoff collection system Active CN107014644B (en)

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CN112114002A (en) * 2020-08-07 2020-12-22 北京建筑大学 Precipitation and surface runoff water quality full-parameter online measurement system and application

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Publication number Priority date Publication date Assignee Title
CN102323109A (en) * 2011-08-26 2012-01-18 重庆大学 Sampling device of road pavement rainwater runoff
CN206710152U (en) * 2017-05-27 2017-12-05 宝鸡文理学院 A kind of highway runoff collecting device for relying on gully to set

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CN102323109A (en) * 2011-08-26 2012-01-18 重庆大学 Sampling device of road pavement rainwater runoff
CN206710152U (en) * 2017-05-27 2017-12-05 宝鸡文理学院 A kind of highway runoff collecting device for relying on gully to set

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赵树旗 ; 王中正 ; 周玉文 ; 杨伟明 ; 高琳 ; .城市不透水地表降雨径流污染监测与研究――以北京工业大学校园为例.人民长江.2016,(第04期),16-20. *

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