CN115110412A - Bridge deck runoff collecting and monitoring control system for crossing sensitive water area bridge - Google Patents

Bridge deck runoff collecting and monitoring control system for crossing sensitive water area bridge Download PDF

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Publication number
CN115110412A
CN115110412A CN202210840716.7A CN202210840716A CN115110412A CN 115110412 A CN115110412 A CN 115110412A CN 202210840716 A CN202210840716 A CN 202210840716A CN 115110412 A CN115110412 A CN 115110412A
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runoff
bridge
bridge deck
monitoring
controller
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王治国
赵玉兴
李辉
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Nanjing Runcheng Transportation Science Research Institute Co ltd
Hubei Provincial Communications Planning And Design Institute Co ltd
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Nanjing Runcheng Transportation Science Research Institute Co ltd
Hubei Provincial Communications Planning And Design Institute Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/086—Drainage arrangements or devices
    • 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
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • 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
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

The invention discloses a bridge deck runoff collection and monitoring control system for a bridge spanning sensitive water areas, which comprises a runoff collection device, a runoff monitoring control device and a runoff storage device, wherein the runoff collection device comprises a bridge deck water drain opening, a water drain pipe, a bridge deck runoff collection pipeline, a special pipeline for hazardous chemicals and an inverted U-shaped communication device; the runoff monitoring and controlling device comprises a runoff sampler, a water quality detector, a hazardous chemical substance analyzer, a bridge deck runoff controller and a data transmission instrument, wherein the runoff sampler is connected with the water quality detector, the water quality detector and the hazardous chemical substance analyzer are respectively communicated with the bridge deck runoff controller, and the bridge deck runoff controller is connected with the data transmission instrument; runoff storage device includes initial stage rainwater sedimentation tank and the emergent sedimentation tank of accident, and initial stage rainwater sedimentation tank and bridge floor runoff collect the pipeline intercommunication, the emergent sedimentation tank of accident and danger article private line intercommunication.

Description

Bridge deck runoff collecting and monitoring control system for crossing sensitive water area bridge
Technical Field
The invention relates to the field of bridge monitoring across sensitive water areas, in particular to the fields of bridge deck runoff collection, dangerous article transport vehicle accident monitoring and emergency disposal of bridge sections across sensitive water areas, and emergency prevention of dangerous article leakage accidents of bridge sections across sensitive water areas of newly-built roads (secondary protection areas, quasi-protection areas and more than two types of water bodies of drinking water sources), and particularly relates to a bridge deck runoff collection, monitoring and control system for bridges across sensitive water areas.
Background
In the process of road traffic construction in China, some roads are inevitably constructed across rivers and rivers, and some bridges span sensitive water areas. Once the dangerous goods leakage occurs when the dangerous goods transport vehicle runs on the bridge spanning the sensitive water area, and effective measures cannot be timely taken to prevent the dangerous goods from entering the water body, the dangerous goods transport vehicle can seriously pollute the surrounding sensitive water area.
In order to prevent dangerous chemical leakage accidents from polluting water bodies when vehicles cross sensitive water areas, the conventional method in China at present is to arrange a bridge deck runoff collecting pipeline on a bridge, arrange sedimentation tanks on the ground at two sides of the bridge, and connect bridge deck runoff to the sedimentation tanks through the collecting pipeline for treatment. By the method, a part of dangerous goods leaked from the bridge deck can be collected and stored in the sedimentation tank, so that the pollution degree to water is reduced, but the following problems still exist:
(1) lack water quality testing device, can not judge whether bridge floor runoff quality of water receives the pollution of hazardous articles, can not in time discover to reveal the accident, difficult discovery when a small amount of hazardous articles reveal learns the information lag of leaking the accident, has the potential safety hazard.
(2) Absent automatic control, the collection tank fails to drain periodically. The collecting tank needs to be manually and periodically discharged after raining, so that dangerous goods which possibly leak are accommodated in the collecting tank, and if the collecting tank is not emptied in time, the collecting tank loses the installation significance.
(3) Some extra large bridges spanning sensitive water areas have long distance and large single span, all runoff is necessarily collected completely in order to ensure that dangerous goods do not leak to water under the bridge, the diameter of a runoff collecting pipeline is increased, the bearing of the bridge is increased, and unsafe factors are caused; meanwhile, the runoff is collected completely, a large bridge deck runoff collecting pool needs to be designed, and due to the requirements of flood control and flood discharge and relevant regulations of engineering construction of sensitive water area protection areas, large buildings are not allowed to be built in a certain range on two sides of a river bank, a sedimentation pool is difficult to be arranged near a bridge, and the difficulty in site selection of the sedimentation pool is increased.
Aiming at the defects of the conventional method, the invention provides a bridge deck runoff collecting and monitoring control system for a bridge spanning sensitive water areas, which innovatively integrates water quality detection and automatic control into a bridge deck runoff collecting system, utilizes the cooperative work of a plurality of sensors, carries out intelligent analysis and treatment, detects and identifies the water quality components of the bridge deck runoff, and automatically controls the system to operate according to the detection result.
Disclosure of Invention
To overcome the above-mentioned deficiencies of the prior art, the present invention provides a system for collecting and monitoring and controlling deck runoff of a bridge spanning sensitive water areas, which solves at least one of the above-mentioned problems.
The invention is realized by the following technical scheme:
a bridge deck runoff collecting and monitoring control system for a bridge spanning sensitive water areas comprises a runoff collecting device, a runoff monitoring control device and a runoff storage device, wherein,
the runoff collecting device comprises a bridge floor drain opening, a drain pipe, a bridge floor runoff collecting pipeline, a hazardous chemical special pipeline and an inverted U-shaped communication device, wherein the drain opening is communicated with the drain pipe, the drain pipe is communicated with the bridge floor runoff collecting pipeline, the bridge floor runoff collecting pipeline and the hazardous chemical special pipeline are arranged in parallel along the longitudinal direction of the bridge and are communicated through the inverted U-shaped communication device at intervals of a preset distance, a switching valve is arranged in the middle of the inverted U-shaped communication device, and the switching valve is connected with the runoff monitoring control device;
the runoff monitoring and controlling device comprises a runoff sampler, a water quality detector, a hazardous chemical substance analyzer, a bridge deck runoff controller and a data transmission instrument, wherein the runoff sampler is connected with the water quality detector, the water quality detector and the hazardous chemical substance analyzer are respectively communicated with the bridge deck runoff controller, and the bridge deck runoff controller is respectively connected with a switching valve and the data transmission instrument;
runoff storage device includes initial stage rainwater sedimentation tank and the emergent sedimentation tank of accident, initial stage rainwater sedimentation tank and bridge floor runoff collection pipeline intercommunication, the emergent sedimentation tank of accident and the special pipeline intercommunication of danger article.
Above-mentioned technical scheme passes through runoff collection device and collects the liquid after rainwater or the danger article pollute, and through runoff monitoring control device real-time supervision, the runoff of quick identification monitoring range constitutes, judge whether it has dangerous chemical to reveal the accident, then switch according to monitoring result automatic control valve, change the runoff flow direction, make the runoff that contains the danger article in via danger article special pipeline drainage to the emergent sedimentation tank of accident, thereby realize quick identification to the runoff that contains the danger article, drainage and proper treatment, avoid the danger article to reveal and arouse environmental pollution.
As a further technical scheme, the runoff sampler sets up at the outlet and evenly spaced and is provided with a plurality ofly, and each runoff sampler corresponds a bridge floor runoff controller.
Furthermore, runoff samplers are uniformly arranged at the bridge floor water discharge opening at intervals of a preset distance, a bridge floor runoff controller is arranged on a runoff collecting pipeline below the bridge floor runoff samplers, the whole bridge is divided into a plurality of sections according to the number of the bridge floor runoff controllers, and the bridge floor runoff controllers of each section are respectively connected with the monitoring platform, so that the purposes of 'sectional monitoring + overall control' are achieved.
As a further technical scheme, when the water quality detector detects that the water quality data exceeds a preset range, the water quality detector triggers the hazardous chemical substance analyzer to start detection. The detection efficiency can be improved by the arrangement, and the detection effect is ensured.
Under general conditions, the water quality detection data of the rainwater which is not polluted all meet the detection requirements, and at the moment, the runoff is directly introduced into the initial rainwater sedimentation tank through the bridge deck runoff collecting pipeline without starting a hazardous chemical analyzer; but when water quality testing ware's testing result is not conform to the testing requirement, then need start the analysis of dangerization article appearance and carry out the analysis of dangerization article, judge whether the runoff receives the pollution of dangerization article, if there is the pollution of dangerization article, then feedback signal gives bridge deck runoff controller, passes through the special pipeline drainage of dangerization article with the contaminated runoff to the emergent sedimentation tank of accident by bridge deck runoff controller.
As a further technical scheme, the data transmission instrument is in communication connection with the monitoring platform. The data transmission instrument collects data of various monitoring instruments (such as a water quality detector and the like), completes data storage and has data communication and transmission functions with an upper computer.
The data transmission instrument strictly executes the data transmission standard of the pollution source on-line automatic monitoring system, comprises data acquisition, storage and transmission processes and system parameter commands, interaction commands, data commands and control command code definitions specified by standards, and is suitable for data exchange and transmission between automatic monitoring equipment and a monitoring center of the pollution source on-line automatic monitoring system.
As a further technical scheme, the bridge deck runoff controller is connected with an audible and visual alarm. After taking place danger article leakage accident, bridge floor runoff controller control audible-visual annunciator carries out audible-visual annunciator, uploads alarm information to monitor platform simultaneously to monitor platform in time dispatches the staff and handles, helps the staff to fix a position the accident site fast through audible-visual annunciator simultaneously, improves accident handling efficiency.
As a further technical scheme, the inverted U-shaped communication device is arranged within a range of 3 meters away from the water discharge opening. Set up like this and can make when the danger article pollutes appearing, the contaminated water in the bridge floor runoff collecting pipe can drain as early as possible to danger article private line in, avoid the contaminated water to the corrosion damage of bridge floor runoff collecting pipe.
Furthermore, the whole bridge adopts a segmented monitoring mode, each segment corresponds to one inverted U-shaped communication device, and the bridge deck runoff controller of each segment controls the on-off of one inverted U-shaped communication device.
As a further technical scheme, the initial rainwater sedimentation tank is provided with an automatic drain valve, and the automatic drain valve is connected with a bridge deck runoff controller. The initial rainwater usually refers to rainwater carrying suspended matters, solid particle impurities or general pollutants, and the initial rainwater is drained to a rainwater sedimentation tank through a bridge deck runoff collecting pipeline to be precipitated, and can be precipitated to a certain extent, clear water after precipitation is discharged through an automatic drain valve, and then the precipitated impurities are removed.
As a further technical scheme, the system also comprises a rain gauge, and the rain gauge is connected with the bridge deck runoff controller. The rain gauge is used for precipitation identification and provides real-time rainfall parameter conditions.
Particularly, the bridge deck runoff can be intelligently controlled by the system and timely discharged during rainstorm, and the phenomenon that the pipeline is not smooth in drainage to cause the accumulated water on the bridge deck is prevented. The monitoring personnel can also control whether the deck runoff is discharged according to different conditions such as medium rain and heavy rain.
As a further technical scheme, end valves are respectively arranged at the end parts of the bridge deck runoff collecting pipeline and the hazardous chemical special pipeline, and the end valves are connected with a bridge deck runoff controller.
Under the non-precipitation weather condition, the system firstly defaults that all liquid of all highways are suspicious pollution sources, and the controller always closes the end valve of the bridge deck runoff collecting pipeline so as to ensure that when dangerous chemicals leak (or suspicious liquid), the dangerous chemicals directly flow into the emergency collecting pool and ensure that the polluting liquid does not leak.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention solves the problems that dangerous goods cannot be identified and accumulated water in a collecting pool needs to be discharged manually in the existing bridge deck runoff collecting scheme, and the like, and by integrating monitoring and control into a bridge deck runoff collecting system, through detecting the runoff water quality in real time, the flow direction of the bridge deck runoff is intelligently and reasonably controlled, initial rainwater runoff is led to a sedimentation tank for sedimentation and then discharged in rainy days, and runoff containing dangerous goods is led to an accident emergency pool for storage in time when a dangerous goods leakage accident occurs, so that the pollution of peripheral water bodies caused by the leakage of the dangerous goods is avoided. The system is applied to bridges across sensitive water areas, and can effectively prevent environmental pollution caused by dangerous chemical leakage accidents on the bridges to the sensitive water areas.
(2) The intelligent bridge deck runoff water quality detection system can automatically judge rainfall, automatically detect water inflow, automatically detect water quality, automatically control the valve and automatically alarm, does not need manual participation in the whole monitoring and controlling process, completely realizes intellectualization and automation, can detect whether the bridge deck runoff water quality contains dangerous chemicals or not in real time, and can classify and treat normal runoff and dangerous chemical accident leakage and intelligently control the normal runoff and the dangerous chemical accident leakage. When a leakage accident happens, the monitoring personnel can also carry out remote control on the bridge deck runoff collecting system.
Drawings
Fig. 1 is a schematic connection diagram of a deck runoff collection and monitoring control system for a bridge spanning sensitive waters according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a deck runoff collection and monitoring control system for a bridge spanning sensitive waters according to an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention provides a bridge deck runoff collection and monitoring control system for a bridge spanning sensitive water area, which is developed by utilizing a safety detection technology, a water quality detection technology, an automatic control technology and an Internet of things technology according to the water quality characteristics and characteristics of bridge deck runoff, is a professional bridge deck runoff safety detection and control system, can utilize a multi-element sensor to work in a cooperative manner, and is intelligently analyzed and processed, and the accuracy of water quality safety detection can reach more than 95%.
This system automatic judgement rainfall, automatic detection are intake, automated inspection quality of water, automatic control valve, automatic alarm, and monitoring control's whole process need not artifical the participation, realizes "intellectuality and automation" completely, can detect whether bridge floor runoff quality of water contains danger article in real time, can be to normal runoff and danger article accident leakage thing classification, intelligent control. When a leakage accident happens, the monitoring personnel can also carry out remote control on the bridge deck runoff collecting system.
The system can prevent the pollution of sensitive water body caused by the leakage of dangerous chemicals, and not only can prevent the general pollutants (SS, COD, BOD, ammonia nitrogen and the like) on the bridge floor from flowing into the water body.
As shown in fig. 1-2, a bridge deck runoff collection and monitoring control system for a bridge spanning sensitive water areas comprises a runoff collection device, a runoff monitoring control device and a runoff storage device, wherein,
the runoff collecting device comprises a bridge floor drain opening, a drain pipe, a bridge floor runoff collecting pipeline, a hazardous chemical special pipeline and an inverted U-shaped communication device, wherein the drain opening is communicated with the drain pipe, the drain pipe is communicated with the bridge floor runoff collecting pipeline, the bridge floor runoff collecting pipeline and the hazardous chemical special pipeline are longitudinally arranged in parallel along a bridge and are communicated with each other through the inverted U-shaped communication device at preset intervals, a switching valve is arranged in the middle of the inverted U-shaped communication device, and the switching valve is connected with the runoff monitoring control device.
The bridge deck runoff is connected into a bridge deck runoff collecting pipeline laid along the longitudinal direction of the bridge through a bridge deck water drainage opening and a water drainage pipe.
Lay a special pipeline of danger article side by side longitudinally along the bridge on runoff collection pipeline, two pipelines set up the type of falling U device intercommunication at every certain distance, the type of falling U device intercommunication is in 3 meters within ranges apart from the outlet, and the valve setting that control duct switches is in the middle of the type of falling U intercommunication device, and the pipeline end connects to rainwater sedimentation tank, the emergent collecting pit of accident respectively.
The runoff monitoring and controlling device comprises a liquid safety detection unit, a bridge deck runoff controller, a runoff shunting device and a data transmission instrument. The runoff diverging device comprises a water discharge tee joint. The data transmission instrument collects data of the detection unit, completes data storage and data communication transmission with the monitoring platform.
The liquid safety detection unit comprises a runoff sampler, a water quality detector and a hazardous chemical substance analyzer. The runoff sampler is connected with the water quality detector, the water quality detector and the hazardous chemical substance analyzer are respectively communicated with the bridge deck runoff controller, and the bridge deck runoff controller is respectively connected with the switching valve and the data transmission instrument.
The runoff storage device comprises an initial rainwater sedimentation tank and an accident emergency sedimentation tank, the initial rainwater sedimentation tank is communicated with a bridge deck runoff collecting pipeline, and the accident emergency sedimentation tank is communicated with a hazardous chemical special pipeline.
The bridge deck runoff monitoring and control of the invention adopts a scheme of 'segmented monitoring + overall control'. Runoff samplers are uniformly distributed at every 50 meters at a bridge floor water discharge opening, a bridge floor runoff controller is distributed on a runoff collecting pipeline below the bridge floor runoff samplers, and the whole bridge is divided into a plurality of sections according to the number of the bridge floor runoff controllers.
The bridge floor runoff controller is provided with a water quality detector and a dangerous chemical substance analyzer, and sends out signals according to detection data transmitted by the runoff sampler at the water outlet to control the valve switching of the runoff collecting pipeline and the runoff storage tank, so that the effective identification and intelligent control of normal runoff and dangerous chemical substance runoff of the bridge floor are realized.
Bridge floor runoff dangerous chemicals intelligent detector is inside to be equipped with "liquid and to trigger" device, and "liquid in this triggers" device indicates, when water quality detector detects that quality of water is not conform to the preset requirement, triggers danger article analysis appearance and begins work, carries out danger article analysis to the runoff of sampler. Any liquid flowing into the bridge collecting pipe can effectively trigger the hazardous chemical substance analyzer of the system as long as the liquid does not meet the water quality detection requirement, and the 'safety' property of the unknown liquid is further confirmed through the detection unit of the system.
The intelligent detection working process of the dangerous chemicals on the bridge surface runoff of the highway pavement is described in the following two conditions of 'non-precipitation' and 'precipitation'.
1. Under the condition of no precipitation weather
(1) A sampler is arranged at the water inlet and is communicated with the water quality detection unit, and any type of liquid flows in through the water inlet to trigger the detection unit to act.
(2) The water quality detector feeds liquid detection data back to the control unit, if the liquid detection data do not meet the water quality requirement, the hazardous chemical substance analyzer is triggered to analyze hazardous chemical substances, if the hazardous chemical substance analyzer analyzes the contaminated liquid, the control unit quickly makes a decision after analysis, operation and comparison, and sends out sound-light alarm and sends back alarm information to the monitoring platform.
(3) In order to ensure the safety and reliability of a bridge drainage system, under the non-precipitation weather conditions, the system firstly defaults that all liquid of all highways are suspicious pollution sources, and a controller always closes an end valve of a bridge deck runoff collecting pipeline so as to ensure that when dangerous chemicals (or suspicious liquid) leak, the dangerous chemicals directly flow into an emergency collecting pool and ensure that the polluting liquid does not leak.
(4) The system simultaneously reports the alarm condition to the monitoring platform.
2. In precipitation climatic conditions
(1) Under the rainfall weather condition, the system starts the detection equipment according to the rainfall signal transmitted by the rainfall detection unit. The rainfall detection unit adopts a rain gauge, and the rain gauge is connected with the bridge deck runoff controller.
Particularly, the bridge deck runoff can be intelligently controlled by the system and timely discharged during rainstorm, and the phenomenon that the pipeline is not smooth in drainage to cause the accumulated water on the bridge deck is prevented. The monitoring personnel can also control whether the deck runoff is discharged according to different conditions such as medium rain and heavy rain.
(2) When the rain gauge detects the rainfall in real time, other detection units respectively enter a detection flow and detect for 1 time every 5 seconds (or shorter time) to judge whether the water quality is safe.
(3) If the detection result is abnormal, namely when the 'dangerous chemical' component in the rainwater runoff is detected, the control unit closes the drainage port, the leaked dangerous chemical or suspected liquid is blocked in the emergency collecting pool, and the pollution liquid is prevented from being leaked.
(4) The system simultaneously reports the alarm condition to the monitoring platform.
The bridge deck runoff monitoring and controlling is a complete automatic system, manual intervention or monitoring program control is not needed at ordinary times, and manual control and data query can be carried out through a remote monitoring platform under special conditions. The remote monitoring platform is used for comprehensively monitoring, analyzing, inquiring and counting the running state and data of the bridge deck runoff detection control and has a real-time alarm function. The monitoring platform is provided with modules for inspection point overview, real-time inspection data, historical data inquiry, alarm information browsing, data report generation, data statistical analysis, monitoring parameter setting, video monitoring access and the like, and monitors and records the inspection data and the valve states of all the pavement bridge deck runoff in the project frame in the forms of list tables, curve broken lines and the like, so that an all-round decision basis is provided for the runoff water quality monitoring of the whole road section.
The normal rainwater runoff without dangerous chemicals is discharged to a rainwater sedimentation tank through a bridge floor drain opening, a drain pipe and a runoff collecting pipeline, initial rainwater is discharged after being precipitated in the sedimentation tank, and cleaner non-initial rainwater overflows and is discharged from the bridge floor.
The initial rainwater sedimentation tank is provided with an automatic drain valve, and the automatic drain valve is connected with a bridge deck runoff controller. The initial stage rainwater usually refers to the rainwater that carries suspended solid, solid particle impurity or general pollutant, and these initial stage rainwater collect the pipeline through the bridge floor runoff and drain to the rainwater sedimentation tank and deposit to can deposit to a certain degree after, discharge the clean water after the sediment through automatic drain valve, then clear away the impurity that gets off depositing.
In case take place danger article leakage accident on the bridge, water quality testing ware detects out danger article composition, will close the controller valve around the bridge floor section that corresponds the sampler place, and the bridge floor section runoff that will take place danger article and reveal leads to danger article private line through the type of falling U device, connects to the emergent collecting pit of accident and stores to entrust the unit that has danger article to handle the qualification with the danger article in the emergent pond of accident and wash the washing waste water of danger article private line and transport the processing in the lump.
As an implementation mode, the runoff sampler is arranged at the water outlet and is uniformly arranged in a plurality of intervals, and each runoff sampler corresponds to a bridge deck runoff controller. Runoff samplers are uniformly distributed at the position of a bridge floor water discharge opening at intervals of a preset distance, a bridge floor runoff controller is distributed on a runoff collecting pipeline below the runoff samplers, the whole bridge is divided into a plurality of sections according to the number of the bridge floor runoff controllers, and the bridge floor runoff controller of each section is respectively connected with a monitoring platform, so that the purposes of 'segmented monitoring + overall control' are achieved.
And the bridge deck runoff controller is connected with an audible and visual alarm. After taking place danger article leakage accident, bridge floor runoff controller control audible-visual annunciator carries out audible-visual annunciator, uploads alarm information to monitor platform simultaneously to monitor platform in time dispatches the staff and handles, helps the staff to fix a position the accident site fast through audible-visual annunciator simultaneously, improves accident handling efficiency.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.

Claims (9)

1. A bridge deck runoff collection and monitoring control system for bridges spanning sensitive water areas is characterized by comprising a runoff collection device, a runoff monitoring control device and a runoff storage device, wherein,
the runoff collecting device comprises a bridge floor drain opening, a drain pipe, a bridge floor runoff collecting pipeline, a special hazardous chemical pipeline and an inverted U-shaped communication device, wherein the drain opening is communicated with the drain pipe, the drain pipe is communicated with the bridge floor runoff collecting pipeline, the bridge floor runoff collecting pipeline and the special hazardous chemical pipeline are arranged in parallel along the longitudinal direction of the bridge and are communicated through the inverted U-shaped communication device at preset intervals, a switching valve is arranged in the middle of the inverted U-shaped communication device, and the switching valve is connected with the runoff monitoring control device;
the runoff monitoring and controlling device comprises a runoff sampler, a water quality detector, a hazardous chemical substance analyzer, a bridge deck runoff controller and a data transmission instrument, wherein the runoff sampler is connected with the water quality detector, the water quality detector and the hazardous chemical substance analyzer are respectively communicated with the bridge deck runoff controller, and the bridge deck runoff controller is respectively connected with a switching valve and the data transmission instrument;
runoff storage device includes initial stage rainwater sedimentation tank and the emergent sedimentation tank of accident, initial stage rainwater sedimentation tank and bridge floor runoff collection pipeline intercommunication, the emergent sedimentation tank of accident and the special pipeline intercommunication of danger article.
2. The bridge deck runoff collection and monitoring and control system for a bridge spanning sensitive waters of claim 1 wherein a plurality of runoff samplers are disposed at the drain opening and are evenly spaced apart, each runoff sampler corresponding to a bridge deck runoff controller.
3. The bridge deck runoff collection and monitoring and control system for a bridge spanning sensitive water areas of claim 1 wherein the water quality detector triggers the hazardous chemical analyzer to begin detection when the water quality data is detected to exceed a predetermined range.
4. The bridge deck runoff collection and monitoring and control system for sensitive water bridges of claim 1 wherein the data transmission instrument is in communication with the monitoring platform.
5. The bridge deck runoff collection and monitoring and control system for sensitive water bridges of claim 1 wherein an audible and visual alarm is connected to the bridge deck runoff controller.
6. The bridge deck runoff collection and monitoring and control system for sensitive water bridges of claim 1 wherein said inverted U-shaped communication means is positioned within 3 meters of said drain opening.
7. The bridge deck runoff collection and monitoring and control system for sensitive water bridges of claim 1 wherein the initial rainwater settling tank is provided with an automatic drain valve, said automatic drain valve being connected to a bridge deck runoff controller.
8. The bridge deck runoff collection and monitoring and control system for a bridge spanning sensitive waters of claim 1 further comprising a rain gauge connected to the bridge deck runoff controller.
9. The bridge deck runoff collection and monitoring and control system for sensitive water bridges of claim 1 wherein end valves are respectively arranged at the ends of the bridge deck runoff collection pipeline and the hazardous chemical special pipeline, and the end valves are connected with the bridge deck runoff controller.
CN202210840716.7A 2022-07-18 2022-07-18 Bridge deck runoff collecting and monitoring control system for crossing sensitive water area bridge Pending CN115110412A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202466781U (en) * 2012-03-12 2012-10-03 河南省交通科学技术研究院有限公司 Highway bridge deck runoff real-time identification and selecting collection system
KR101453203B1 (en) * 2013-04-26 2014-10-22 최인정 Apparatus for purifying nonpoint pollution source of first-stage-rainwater for bridge
CN104863049A (en) * 2015-06-12 2015-08-26 郝玉萍 Intelligent detecting and controlling system for chemical dangerous articles in highway bridge runoff

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202466781U (en) * 2012-03-12 2012-10-03 河南省交通科学技术研究院有限公司 Highway bridge deck runoff real-time identification and selecting collection system
KR101453203B1 (en) * 2013-04-26 2014-10-22 최인정 Apparatus for purifying nonpoint pollution source of first-stage-rainwater for bridge
CN104863049A (en) * 2015-06-12 2015-08-26 郝玉萍 Intelligent detecting and controlling system for chemical dangerous articles in highway bridge runoff

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