CN111861421A - Method for quickly tracing sudden water pollution of drainage basin - Google Patents
Method for quickly tracing sudden water pollution of drainage basin Download PDFInfo
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- CN111861421A CN111861421A CN202010764110.0A CN202010764110A CN111861421A CN 111861421 A CN111861421 A CN 111861421A CN 202010764110 A CN202010764110 A CN 202010764110A CN 111861421 A CN111861421 A CN 111861421A
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- 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
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- 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
- G01N33/1806—Water biological or chemical oxygen demand (BOD or COD)
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- 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
- G01N33/1813—Water specific cations in water, e.g. heavy metals
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- 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
- G01N33/1826—Water organic contamination in water
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
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- G06Q50/26—Government or public services
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- 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
- Y02A20/152—Water filtration
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- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention relates to a method for quickly tracing sudden water pollution of a drainage basin, which comprises the following steps: obtaining the distribution of source regions of potential pollution sources of water pollution sources; monitoring the water quality components in a source area of a potential pollution source; selecting pollutants exceeding the highest allowable discharge concentration of the sewage comprehensive discharge standard or higher than 3 times of background value as composition characteristic pollution factors; building a source tracing model; calculating a risk sensitive area of the source probability of the polluted water flow in real time; and counting the pollutant concentration in the risk sensitive area and the contribution of each industry in the drain outlet discharge list to the pollutant concentration. The method can accurately simulate the water pollutant concentration of the drainage basin and the contribution of each drainage point in the list to the pollutant concentration of the drainage basin risk area, can effectively monitor the water environment quality of the drainage basin, solves the problem of excessive pollution discharge of key drainage outlets, has small calculated amount, and can quickly obtain the source tracing result.
Description
Technical Field
The invention belongs to the technical field of water environment management, and particularly relates to a method for quickly tracing sudden water pollution of a drainage basin.
Background
The time and place of the sudden water pollution accident are uncertain, and the mode and degree of damage are difficult to determine, so that the normal operation of social life and production order is easy to cause serious pollution and damage to water systems and ecological environments. An effective and reliable pollution source tracing method needs to be found, the occurrence time and the occurrence position of the pollution source causing the sudden water pollution are quickly and accurately found, and correct preventive measures and emergency decisions are made.
The pollution source tracing methods which are proposed at present comprise pollution source tracing methods based on genetic algorithm, water quality model method, reverse position probability density function method, geoscience statistical method, Bayes method and the like. The limitation of the pollution source tracing method is mainly that tracing current basin simulation needs a large amount of computer calculation and analysis resources, so that the water quality model is slow in calculation speed and cannot meet the problem of rapid tracing of sudden water pollution events.
Disclosure of Invention
The invention aims to provide a method for quickly tracing sudden water pollution of a drainage basin, so as to solve the problems of large calculation amount and slow tracing in the prior art.
The specific technical scheme is as follows:
a method for quickly tracing sudden water pollution in a drainage basin comprises the following steps:
(1) mining historical data corresponding to the pollution situation according to the pollution situation of the water pollution emergency to obtain the distribution of a potential pollution source area of the water pollution source;
(2) monitoring the water quality components in the source area of the potential pollution source by using a multi-channel laser Raman test system and a program-controlled multi-channel electrochemical test system;
(3) analyzing the data monitored by the multichannel laser Raman test system and the program-controlled multichannel electrochemical test system, and selecting pollutants exceeding the highest allowable discharge concentration of the sewage comprehensive discharge standard or more than 3 times of background values as composition characteristic pollution factors; managing the discharge port, the characteristic pollution factor and the geographical position information of each related pollution source in a database mode to form a pollution source database;
(4) establishing a traceability model based on the existence of exclusive, necessary and internal relation between pollutant composition of water pollution in a monitored water area and related pollution source characteristic pollution factors; calculating a risk sensitive area of the source probability of the polluted water flow in real time;
(5) and counting the pollutant concentration in the risk sensitive area and the contribution of each industry in the drain outlet discharge list to the pollutant concentration.
Preferably, step (1) comprises the sub-steps of:
(1.1) based on historical sampling data, obtaining historical supersaturation data of pollutants in different time and drainage basin sections;
(1.2) analyzing the pollution condition of the water pollution emergency and the historical standard exceeding pollution data to obtain the category range of the historical standard exceeding pollution;
(1.3) screening out key pollutants according to historical sampling data of corresponding positions so as to lock the types and areas of the pollutants;
(1.4) calculating the distribution of potential pollution sources of the water pollution sources through a tracing model.
And the pollution conditions of the water pollution emergency comprise an overproof occurrence time period, an occurrence position and overproof information.
Further, in the step (2), the monitored information includes the pollutant types, the content and the variation range of the sewage discharged from each sewage discharge outlet.
In the step (2), the monitoring includes: the method comprises the following steps of respectively carrying out key observation on key monitored pollutants by utilizing a water quality monitoring mobile station in a target point area within preset time so as to lock or reduce the range of the overproof pollution types and determine a source area or a sewage outlet of the overproof pollution of the area;
the key monitoring of contaminants includes: metal contamination: mercury, cadmium, lead, arsenic, chromium, nickel, copper, zinc, silver, gold, manganese, iron; organic contaminants: petroleum, benzene series, volatile phenol, aldehydes, aniline, nitrobenzene, polycyclic aromatic hydrocarbon, organic dye, synthetic detergent, animal and vegetable oil and lignin; inorganic non-metallic contaminants: cyanide, fluoride, sulfide, perchlorate, ammonium salt, nitrate, nitrite; comprehensive pollution: chemical Oxygen Demand (COD), suspended matter.
The characteristic pollution factors selected in the step (3) comprise: differentiating whether water pollution is locally generated or externally transported by analyzing concentration characteristics and spatial source distribution differences of different species in a plurality of ways; and judging the correlation among the influencing factors, analyzing the water pollution main control factor, and analyzing and quantifying the source of the precursor.
The step (4) comprises the following substeps:
(4.1) constructing a multiple nested frame, selecting a parameterization scheme, determining the number of vertical stratification and the enhanced simulation height of a boundary layer, assimilating hydrological record data and constructing a high-resolution flow field;
(4.2) building a source tracing model, setting the number of released particles and calculating time, and calculating the probability distribution of the source of the polluted water flow in real time;
(4.3) calculating the contribution of the source of the polluted water flow at the traceable given position in real time to realize the analysis of the source of the pollutant;
and (4.4) after the standard exceeding complaints are received, providing traceability simulation in real time to generate traceability analysis information, wherein the traceability analysis information comprises a main conveying path and a potential source area of the polluted water flow.
The step (5) comprises the following substeps:
(5.1) establishing a database for simulating the pollutant concentration and the contribution of each industry to pollutants in a discharge list of a sewage outlet;
and (5.2) analyzing the traceability model operation traceability analysis information to obtain required pollutant concentration data and pollution source analysis data, converting the data into format data, and automatically rendering and outputting to form a picture and a conclusion.
Compared with the prior art, the invention has the following advantages:
the method can accurately simulate the water pollutant concentration of the drainage basin and the contribution of each drainage point in the list to the pollutant concentration of the drainage basin risk area, can effectively monitor the water environment quality of the drainage basin, solves the problem that the pollution of the key drainage outlet exceeds the standard and is discharged, has small calculated amount, and can quickly obtain the source tracing result.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples, but the scope of the present invention is not limited thereto.
A method for quickly tracing sudden water pollution in a drainage basin comprises the following steps:
(1) mining historical data corresponding to the pollution situation according to the pollution situation of the water pollution emergency to obtain the distribution of a potential pollution source area of the water pollution source;
the pollution conditions of the water pollution emergency comprise overproof occurrence time period, occurrence position and overproof information.
The step (1) comprises the following substeps:
(1.1) based on historical sampling data, obtaining historical supersaturation data of pollutants in different time and drainage basin sections;
(1.2) analyzing the pollution condition of the water pollution emergency and the historical standard exceeding pollution data to obtain the category range of the historical standard exceeding pollution;
(1.3) screening out key pollutants according to historical sampling data of corresponding positions so as to lock the types and areas of the pollutants;
(1.4) calculating the distribution of potential pollution sources of the water pollution sources through a tracing model.
(2) Monitoring the water quality components in the source area of the potential pollution source by using a multi-channel laser Raman test system and a program-controlled multi-channel electrochemical test system;
the monitored information comprises the pollutant types, the pollutant contents and the pollutant variation range of the sewage discharged by each sewage discharge outlet.
The monitoring comprises the following steps: the method comprises the following steps of respectively carrying out key observation on key monitored pollutants by utilizing a water quality monitoring mobile station in a target point area within preset time so as to lock or reduce the range of the overproof pollution types and determine a source area or a sewage outlet of the overproof pollution of the area;
the key monitoring of contaminants includes: metal contamination: mercury, cadmium, lead, arsenic, chromium, nickel, copper, zinc, silver, gold, manganese, iron; organic contaminants: petroleum, benzene series, volatile phenol, aldehydes, aniline, nitrobenzene, polycyclic aromatic hydrocarbon, organic dye, synthetic detergent, animal and vegetable oil and lignin; inorganic non-metallic contaminants: cyanide, fluoride, sulfide, perchlorate, ammonium salt, nitrate, nitrite; comprehensive pollution: chemical Oxygen Demand (COD), suspended matter.
(3) Analyzing the data monitored by the multichannel laser Raman test system and the program-controlled multichannel electrochemical test system, and selecting pollutants exceeding the highest allowable discharge concentration of the sewage comprehensive discharge standard or more than 3 times of background values as composition characteristic pollution factors; managing the discharge port, the characteristic pollution factor and the geographical position information of each related pollution source in a database mode to form a pollution source database;
the selected characteristic pollution factors comprise: differentiating whether water pollution is locally generated or externally transported by analyzing concentration characteristics and spatial source distribution differences of different species in a plurality of ways; and judging the correlation among the influencing factors, analyzing the water pollution main control factor, and analyzing and quantifying the source of the precursor.
(4) Establishing a traceability model based on the existence of exclusive, necessary and internal relation between pollutant composition of water pollution in a monitored water area and related pollution source characteristic pollution factors; calculating a risk sensitive area of the source probability of the polluted water flow in real time;
the step (4) comprises the following substeps:
(4.1) constructing a multiple nested frame, selecting a parameterization scheme, determining the number of vertical stratification and the enhanced simulation height of a boundary layer, assimilating hydrological record data and constructing a high-resolution flow field;
(4.2) building a source tracing model, setting the number of released particles and calculating time, and calculating the probability distribution of the source of the polluted water flow in real time;
(4.3) calculating the contribution of the source of the polluted water flow at the traceable given position in real time to realize the analysis of the source of the pollutant;
and (4.4) after the standard exceeding complaints are received, providing traceability simulation in real time to generate traceability analysis information, wherein the traceability analysis information comprises a main conveying path and a potential source area of the polluted water flow.
(5) And counting the pollutant concentration in the risk sensitive area and the contribution of each industry in the drain outlet discharge list to the pollutant concentration.
The step (5) comprises the following substeps:
(5.1) establishing a database for simulating the pollutant concentration and the contribution of each industry to pollutants in a discharge list of a sewage outlet;
and (5.2) analyzing the traceability model operation traceability analysis information to obtain required pollutant concentration data and pollution source analysis data, converting the data into format data, and automatically rendering and outputting to form a picture and a conclusion.
Claims (8)
1. A method for quickly tracing sudden water pollution in a drainage basin is characterized by comprising the following steps:
(1) mining historical data corresponding to the pollution situation according to the pollution situation of the water pollution emergency to obtain the distribution of a potential pollution source area of the water pollution source;
(2) monitoring the water quality components in the source area of the potential pollution source by using a multi-channel laser Raman test system and a program-controlled multi-channel electrochemical test system;
(3) analyzing the data monitored by the multichannel laser Raman test system and the program-controlled multichannel electrochemical test system, and selecting pollutants exceeding the highest allowable discharge concentration of the sewage comprehensive discharge standard or more than 3 times of background values as composition characteristic pollution factors; managing the discharge port, the characteristic pollution factor and the geographical position information of each related pollution source in a database mode to form a pollution source database;
(4) establishing a traceability model based on the existence of exclusive, necessary and internal relation between pollutant composition of water pollution in a monitored water area and related pollution source characteristic pollution factors; calculating a risk sensitive area of the source probability of the polluted water flow in real time;
(5) and counting the pollutant concentration in the risk sensitive area and the contribution of each industry in the drain outlet discharge list to the pollutant concentration.
2. The method for fast tracing sudden water pollution in a drainage basin as claimed in claim 1, wherein step (1) comprises the following substeps:
(1.1) based on historical sampling data, obtaining historical supersaturation data of pollutants in different time and drainage basin sections;
(1.2) analyzing the pollution condition of the water pollution emergency and the historical standard exceeding pollution data to obtain the category range of the historical standard exceeding pollution;
(1.3) screening out key pollutants according to historical sampling data of corresponding positions so as to lock the types and areas of the pollutants;
(1.4) calculating the distribution of potential pollution sources of the water pollution sources through a tracing model.
3. The method as claimed in claim 1 or 2, wherein the pollution condition of the water pollution emergency includes an out-of-standard occurrence period, an occurrence location and out-of-standard information.
4. The method as claimed in claim 1, wherein in the step (2), the monitored information includes the type, content and variation range of the pollutants in the sewage discharged from each sewage outlet.
5. The method for fast tracing sudden water pollution in a drainage basin as claimed in claim 1, wherein in the step (2), the monitoring comprises: the method comprises the following steps of respectively carrying out key observation on key monitored pollutants by utilizing a water quality monitoring mobile station in a target point area within preset time so as to lock or reduce the range of the overproof pollution types and determine a source area or a sewage outlet of the overproof pollution of the area;
the key monitoring of contaminants includes: metal contamination: mercury, cadmium, lead, arsenic, chromium, nickel, copper, zinc, silver, gold, manganese, iron; organic contaminants: petroleum, benzene series, volatile phenol, aldehydes, aniline, nitrobenzene, polycyclic aromatic hydrocarbon, organic dye, synthetic detergent, animal and vegetable oil and lignin; inorganic non-metallic contaminants: cyanide, fluoride, sulfide, perchlorate, ammonium salt, nitrate, nitrite; comprehensive pollution: chemical Oxygen Demand (COD), suspended matter.
6. The method for fast tracing sudden water pollution in a drainage basin as claimed in claim 1, wherein the characteristic pollution factors selected in the step (3) comprise: differentiating whether water pollution is locally generated or externally transported by analyzing concentration characteristics and spatial source distribution differences of different species in a plurality of ways; and judging the correlation among the influencing factors, analyzing the water pollution main control factor, and analyzing and quantifying the source of the precursor.
7. The method for fast tracing sudden water pollution in a drainage basin as claimed in claim 1, wherein step (4) comprises the following substeps:
(4.1) constructing a multiple nested frame, selecting a parameterization scheme, determining the number of vertical stratification and the enhanced simulation height of a boundary layer, assimilating hydrological record data and constructing a high-resolution flow field;
(4.2) building a source tracing model, setting the number of released particles and calculating time, and calculating the probability distribution of the source of the polluted water flow in real time;
(4.3) calculating the contribution of the source of the polluted water flow at the traceable given position in real time to realize the analysis of the source of the pollutant;
and (4.4) after the standard exceeding complaints are received, providing traceability simulation in real time to generate traceability analysis information, wherein the traceability analysis information comprises a main conveying path and a potential source area of the polluted water flow.
8. The method for fast tracing sudden water pollution in a drainage basin as claimed in claim 1, wherein step (5) comprises the following substeps:
(5.1) establishing a database for simulating the pollutant concentration and the contribution of each industry to pollutants in a discharge list of a sewage outlet;
and (5.2) analyzing the traceability model operation traceability analysis information to obtain required pollutant concentration data and pollution source analysis data, converting the data into format data, and automatically rendering and outputting to form a picture and a conclusion.
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Cited By (11)
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| CN112381369A (en) * | 2020-11-02 | 2021-02-19 | 河海大学 | Water body pollution tracing and risk prediction evaluation method based on online spectrum identification |
| CN112505189A (en) * | 2020-12-16 | 2021-03-16 | 深圳市南科环保科技有限公司 | Automatic tracing method based on underground water characteristic pollutants |
| CN112508407A (en) * | 2020-12-07 | 2021-03-16 | 北京英视睿达科技有限公司 | Pollution tracing method based on water gene |
| CN112684134A (en) * | 2020-12-18 | 2021-04-20 | 江苏省苏力环境科技有限责任公司 | Water environment analysis method, system, terminal and storage medium based on correlation analysis |
| CN113408938A (en) * | 2021-07-08 | 2021-09-17 | 湖北君邦环境技术有限责任公司 | Online monitoring method and system for enterprise pollution source, electronic equipment and storage medium |
| CN113899872A (en) * | 2021-11-18 | 2022-01-07 | 中水三立数据技术股份有限公司 | Pollution source traceability system based on water quality monitoring |
| CN114814035A (en) * | 2022-05-07 | 2022-07-29 | 中国科学院城市环境研究所 | Sewage tracing method based on full two-dimensional gas chromatography-mass spectrometry |
| CN115309845A (en) * | 2022-08-23 | 2022-11-08 | 北京万维盈创科技发展有限公司 | Water pollution tracing method and system based on water system compiler and machine learning processing |
| CN115424143A (en) * | 2022-08-29 | 2022-12-02 | 南方海洋科学与工程广东省实验室(广州) | Water source pollution tracing method and device, storage medium and computer equipment |
| CN115936543A (en) * | 2023-03-15 | 2023-04-07 | 湖北君邦环境技术有限责任公司 | Pollution tracing method, system, equipment and medium for sudden water pollution accident |
| CN116502931A (en) * | 2023-02-06 | 2023-07-28 | 北京北投生态环境有限公司 | Detection system for preventing and controlling ecological environment risks of pollution sites of chemical plants |
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| CN113899872A (en) * | 2021-11-18 | 2022-01-07 | 中水三立数据技术股份有限公司 | Pollution source traceability system based on water quality monitoring |
| CN114814035A (en) * | 2022-05-07 | 2022-07-29 | 中国科学院城市环境研究所 | Sewage tracing method based on full two-dimensional gas chromatography-mass spectrometry |
| CN115309845A (en) * | 2022-08-23 | 2022-11-08 | 北京万维盈创科技发展有限公司 | Water pollution tracing method and system based on water system compiler and machine learning processing |
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