CN115168446A - Pollutant tracing method and device and electronic equipment - Google Patents
Pollutant tracing method and device and electronic equipment Download PDFInfo
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Abstract
The embodiment of the disclosure relates to the technical field of tracing, and provides a pollutant tracing method, a pollutant tracing device and electronic equipment. The method comprises the following steps: acquiring a problem section of a pollutant, and determining a section interval according to a water area range corresponding to the problem section; analyzing the change curve of the concentration of the overproof pollutants of each section within a period of time in the section interval to obtain a catchment area; determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a heavy-point pollution source list and a pollution source list without a sewage discharge outlet; analyzing the overproof emission condition of each pollution source in the heavy-point pollution source list to obtain an overproof emission pollution source list; and acquiring the sequencing analysis result of the list of the over-standard emission pollution sources, integrating the list of the pollution sources without the sewage discharge outlet, and generating a source tracing analysis result list. In this way, the traceability range can be reduced, the traceability efficiency is improved, and the pollutant traceability accuracy is improved.
Description
Technical Field
The present disclosure relates to the field of traceability technologies, and in particular, to a method and an apparatus for tracing a pollutant, and an electronic device.
Background
Tracing the source of pollutants, namely monitoring the water quality when a water pollution accident occurs or the water quality discharged by a sewage disposal unit exceeds the standard, and rapidly determining the information such as the pollution source, the type, the discharge position, the leakage time, the leakage intensity, the pollution range and the like by using methods such as physics, biochemistry, theory and the like. Therefore, pollution treatment and tracing of pollutants are particularly important.
However, at present, a large amount of data exists in different administrative departments, the data format is complex, the data is various, and the data is scattered and disordered. However, the tracing usually requires a large amount of data as a determination basis, and thus the tracing is a very tedious and time-consuming task. The existing pollutant tracing method is low in accuracy, large in tracing range and waste of manpower and material resources.
Disclosure of Invention
The invention provides a pollutant tracing method, a pollutant tracing device and electronic equipment, which can trace the source according to a cross section, hydrological data and meteorological data and improve the tracing efficiency and accuracy.
According to a first aspect of the present disclosure, there is provided a pollutant tracing method, including:
acquiring a problem section of a pollutant, and determining a section interval according to a water area range corresponding to the problem section;
analyzing the change curve of the concentration of the overproof pollutants of each section within a period of time in the section interval to obtain a catchment area;
determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a heavy-point pollution source list and a pollution source list without a sewage discharge outlet;
analyzing the overproof emission condition of each pollution source in the heavy-point pollution source list to obtain an overproof emission pollution source list;
and acquiring the sequencing analysis result of the list of the over-standard emission pollution sources, integrating the list of the pollution sources without the sewage discharge outlet, and generating a source tracing analysis result list.
In some embodiments of the first aspect, the determining the section interval according to the water area range corresponding to the problem section investigation includes:
finding the nearest relevant section of the problem section by combining a water system diagram and the flow direction of the water body according to the water body where the problem section is located;
the water area range from the beginning and ending of the nearest relevant section to the problem section is the section interval.
In some embodiments of the first aspect, the finding a nearest relevant section of the problem section in combination with the water system diagram and the water flow direction comprises:
finding an upstream related section of the problem section by combining a water system diagram and the flow direction of the water body according to the water body where the problem section is located;
and finding the section which reaches the recent pollutant concentration standard and is closest to the problem section in the upstream related section as the nearest related section.
In some embodiments of the first aspect, analyzing the standard exceeding pollutant concentration variation curve of each section within the section interval over a period of time to obtain the catchment area includes:
comparing the overproof pollutant concentration change curves of the problem section and other sections, and keeping the sections which are consistent with the overproof pollutant concentration change curves of the problem section in other sections and/or the overproof pollutant concentration change curves of other sections to have values obviously higher than those of other sections, wherein the water area range corresponding to the reserved sections is a catchment area;
the other sections are sections except problem sections in the section interval.
In some embodiments of the first aspect, the contamination-related data comprises:
whether the pollution is a key pollution industry, whether monitoring data exist, whether a sewage discharge outlet exists or not, and whether the water is directly discharged into a water body or not.
In some embodiments of the first aspect, the analyzing the pollutant source overproof emission situations in the heavy-point pollutant source list, and the obtaining the overproof emission pollutant source list includes:
and (4) performing historical pollutant emission query on each pollution source in the heavy point pollution source list, counting the exceeding frequency of the pollution source according to the allowable emission concentration limit value, and listing the exceeding emission pollution source list according to the exceeding frequency of the pollution source.
In some embodiments of the first aspect, the obtaining the above-standard emission pollution source list ordering analysis result comprises:
and calculating the emission of related pollution indexes according to the list of the over-standard emission pollution sources, and sequencing the emission to obtain a sequencing analysis result of the list of the over-standard emission pollution sources.
According to a second aspect of the present disclosure, there is provided a pollutant tracing apparatus, comprising:
the section interval determining unit is used for acquiring a problem section of the pollutant, and determining a section interval according to a water area range corresponding to the problem section;
the catchment area determining unit is used for analyzing the change curve of the concentration of the overproof pollutants of each section within a period of time in the section interval to obtain a catchment area;
the heavy point pollution source determination unit is used for determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a list of heavy point pollution sources and a list of pollution sources without sewage outlets;
the standard exceeding emission pollution source judging unit is used for analyzing the standard exceeding emission condition of each pollution source in the heavy point pollution source list and acquiring the standard exceeding emission pollution source list;
and the pollution source determining unit is used for acquiring the sequencing analysis result of the overproof emission pollution source list, integrating the pollution source list without the sewage discharge outlet and generating a source tracing analysis result list.
According to a third aspect of the present disclosure, an electronic device is provided. The electronic device includes: a memory having stored thereon a computer program and a processor implementing the method according to the first aspect of the disclosure when executing the program.
According to the method and the device, the pollution source can be accurately and objectively inspected according to the section, the concentration change curve of the overproof pollutant and the like. In the tracing process, the data incidence relation is established by combing the data veins, so that the source of the pollutant can be quickly traced, and the pollution treatment process can be traced. And by establishing data correlation of the hydrologic data, the water system diagram, the section information and other service data of the polluted water body, the water environment management object can be quickly positioned, tracked and analyzed, so that a pollution source is found.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
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The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. The accompanying drawings are included to provide a further understanding of the present disclosure, and are not intended to limit the disclosure thereto, and the same or similar reference numerals will be used to indicate the same or similar elements, where:
FIG. 1 illustrates a flow diagram of a contaminant traceability method according to an embodiment of the present disclosure;
FIG. 2 illustrates a cross-sectional view of a locking problem according to an embodiment of the present disclosure;
FIG. 3 illustrates a schematic diagram of a preliminary search for a contamination source, according to an embodiment of the present disclosure;
FIG. 4 shows a schematic of a pollution source analysis according to an embodiment of the present disclosure;
FIG. 5 illustrates a flow diagram of a contaminant traceability device, in accordance with an embodiment of the present disclosure;
fig. 6 shows a schematic diagram of a contaminant tracing method for implementing an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Before the present disclosure, massive data exists in different administrative departments, the data format is complex, the data is various, and the data is scattered and disordered. The tracing usually requires a large amount of data as a decision basis, and thus the tracing is a very tedious and time-consuming task. The existing pollutant tracing method is low in accuracy, large in tracing range and waste of manpower and material resources.
Therefore, in the tracing process, tracing can be achieved only according to the section, the overproof pollutant concentration change curve and the like, the required data are few, the tracing efficiency is high, and the accuracy is high.
Fig. 1 shows a flow diagram of a contaminant traceability method 100 according to an embodiment of the present disclosure.
As shown in fig. 1, the method 100 for tracing the source of the pollutant includes:
s101, acquiring a problem section of a pollutant, and determining a section interval according to a water area range corresponding to the problem section;
s102, analyzing the over-standard pollutant concentration change curve of each section within a period of time in the section interval to obtain a catchment area;
s103, determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a list of the heavy point pollution sources and a list of the pollution sources without sewage outlets;
s104, analyzing the excessive emission condition of each pollution source in the heavy point pollution source list to obtain an excessive emission pollution source list;
s105, obtaining the sequencing analysis result of the list of the excessive discharge pollution sources, integrating the list of the pollution sources without the sewage discharge port, and generating a source tracing analysis result list.
In this disclosure, the tracing of the pollutants is mainly performed on a water body, and the water body, i.e. an aggregate of water, is a natural water area with relatively stable land as a boundary, and includes: rivers, lakes, seas, glaciers, snow, reservoirs, ponds, etc., and sometimes groundwater and atmospheric water vapor.
The pollutants refer to various harmful substances (or energy) which cause the quality deterioration of water quality, aquatic biocoesis and sediment of the water body. The contaminants can be roughly classified into inorganic harmful substances, inorganic toxic substances, organic harmful substances, and organic toxic 4 types from a chemical point of view. From the environmental science point of view, the plant nutrient substances can be divided into 8 types of pathogens, plant nutrient substances, aerobic substances, petroleum, radioactive substances, toxic chemicals, acid and alkali salts and heat energy.
Fig. 2 shows a cross-sectional view of a locking problem according to an embodiment of the present disclosure.
As shown in fig. 2, in S101, the determining the section area according to the water area range corresponding to the problem section investigation includes:
finding the nearest relevant section of the problem section by combining a water system diagram and the flow direction of the water body according to the water body where the problem section is located;
the water area range from the beginning and ending of the nearest related section to the problem section is a section interval.
Before the problem section is judged, an overproof section list can be obtained.
The standard for judging the standard exceeding section is as follows: according to lunar monitoring (acquisition and measurement separation) data of the surface water national examination section, comparing the annual water quality target of the section, the lunar monitoring pollutant concentration of the section and the water quality condition, determining an overproof index item, and judging whether the section exceeds the standard or not, wherein the overproof section is the overproof section.
In some embodiments, the collected and measured monthly data of the current month of the state-controlled fracture can be analyzed one by one according to the above standard for judging the standard, and whether the collected and measured monthly data is the standard exceeding the standard can be judged according to the list of the standard exceeding the standard. And recording all the overproof sections, and summarizing the information of the overproof sections to form an overproof section list. The list of standard exceeding sections comprises main attribute information of the sections, including section names, section codes, water quality targets, standard exceeding pollutant concentrations in the current month, belonged areas, rivers, longitudes, latitudes and the like.
And excavating the problem sections, deeply analyzing the sections in the over-standard section list from the angles of current year accumulation, same-ratio change and the like, and further excavating and analyzing the problem sections according to corresponding judgment standards (if the same-ratio deterioration amplitude of the pollutant concentration exceeds 50 percent, the problem sections are determined to be the problem sections) to obtain the problem sections so as to form a problem section list.
The analysis angle for excavating the problem section comprises the following steps: the section index deteriorates proportionally, the section does not reach the standard for a long time, the section is inferior V type, the mountain head section, the inferior-eliminating lag section and the like.
And locking the problem sections needing to be analyzed in the current month in the problem sections according to the side emphasis of the current month water shape potential analysis work. And (4) defining basic information of the problem section, including the section name, the section code, the water quality target, the concentration of the overproof pollutant in the current month, the river, the longitude and latitude, the administrative division and the like.
In some embodiments, the combination water system map and water flow direction comprises:
and according to the water body where the problem section is located, combining a water system diagram and the flow direction of the water body, and finding a plurality of related sections at the upstream of the problem section. And analyzing the water quality condition of the problem section and the upstream related section thereof and the concentration of each pollutant, and judging whether the upstream related section causes the water quality deterioration or not by combining the spatial distribution condition.
In some embodiments, the finding of the nearest relevant section of the problem section in combination with the water system diagram and the water flow direction comprises:
finding an upstream related section of the problem section by combining a water system diagram and the flow direction of the water body according to the water body where the problem section is located;
and finding the section which reaches the recent pollutant concentration standard and is closest to the problem section in the upstream related section as the nearest related section.
Specifically, among a plurality of upstream related sections which are close to the problem section, the section which meets the standard of the pollutant concentration in the month and is closest to the standard exceeding section is found. The water area from the start and end of the section to the problem section is the section interval.
As shown in fig. 2, in S102, analyzing the standard-exceeding pollutant concentration variation curve of each section within the section interval over a period of time to obtain a catchment area includes:
comparing the overproof pollutant concentration change curves of the problem section and other sections, and keeping the sections which are consistent with the overproof pollutant concentration change curves of the problem section in other sections and/or the overproof pollutant concentration change curves of other sections to have values obviously higher than those of other sections, wherein the water area range corresponding to the reserved sections is a catchment area;
the other sections are sections except problem sections in the section interval.
In some embodiments, further comprising plotting the contaminant concentration profile across the interval. The pollutant concentration curve of the section of the drawing interval comprises the following steps: and drawing an overproof pollutant concentration change curve of all sections (including the problem section and the upstream section) in the section interval for about 12 months according to historical monthly data and hourly monitoring data of the problem section and the upstream related sections.
In some embodiments, the method further comprises analyzing the correlation of the pollutant concentration curve of the problem section, namely, preliminarily determining the problem section interval obtained by the analysis as a water area range influencing the water quality of the problem section according to the problem section spatial distribution, the water system distribution and the upstream and downstream relation of the section.
And (4) carrying out correlation analysis on the pollutant concentration curves of the problem section and the upstream section to find out the main suspected section causing the water quality deterioration of the problem section. There are two main aspects: on one hand, if the pollutant curve trend of a certain upstream section is consistent with that of the problem section, the main reason that the problem section exceeds the standard is that the pollutants in the water area above the upstream section exceed the standard; on the other hand, whether the concentration of pollutants on an upstream section is extremely high or not directly causes the problem that the section exceeds the standard.
In addition, the water area range affecting the water quality of the problem section and the catchment area and river clearly affecting the water quality of the problem section are required to be clear, namely, the main suspected section causing the water quality deterioration of the problem section is obtained according to the previous analysis, the water area range affecting the problem section can be focused (the water area range of the problem is reduced to a certain extent), and the water area range affecting the problem section is finally determined. And analyzing the elevation data around the water area according to the water area range, and extracting the catchment area around the water area and all rivers in the catchment area according to the actual situation of the section water system.
FIG. 3 illustrates a schematic diagram of a preliminary search for a contamination source, according to an embodiment of the present disclosure;
as shown in fig. 3, in S103, the determining the list of all pollution sources according to the catchment area includes:
finding a sewage draining outlet in the catchment area: and in a catchment area influencing the problem section, according to data such as spatial distribution of river-entering sewage outlets, drainage direction and the like, searching for the sewage outlets influencing the river in the catchment area, and obtaining a list of the sewage outlets.
Obtaining a list of all pollution sources according to the list of the sewage outlets, wherein the list of all pollution sources comprises:
(1) Industrial enterprises with direct sewage outlets;
(2) A sewage treatment plant with a direct sewage drain;
(3) Industrial enterprises with storm water drains;
(4) Sewage treatment plants with rainwater sewage discharge ports;
(5) No pollution source of a sewage discharge port exists in the catchment area;
the pollution source attribute information in the total pollution source list comprises: the name of the pollution source, the type of industry, the administrative division, the detailed address, whether the industrial park (and the name of the park) belongs to, the code of the pollution discharge license, whether the water is involved, the water body to be received, the name of the pollutant, the permitted emission concentration and the like.
As shown in fig. 3, in S103, the pollution-related data includes:
whether the pollution is a key pollution industry, whether monitoring data exist, whether a sewage discharge outlet exists or not, and whether the water is directly discharged into a water body or not.
Correspondingly, the analyzing according to the pollution related data corresponding to each pollution source in the whole pollution source list to obtain the heavy point pollution source list and the pollution source list without the sewage outlet includes:
and searching the industrial enterprise corresponding to the sewage draining outlet: and searching the industrial enterprise corresponding to the drain outlet according to the corresponding relation between the drain outlet and the setting unit in the drain outlet data. The 'wastewater type' of the sewage draining exit is a 'direct' pollution source and is an industrial enterprise with a direct sewage draining exit. The drain "waste water type" is the pollution source of "rainwater", is the industrial enterprise of rainwater drain. Seek the sewage treatment plant that the drain corresponds: and according to the corresponding relation between the drain and the setting unit in the drain data, searching the sewage treatment plant corresponding to the drain. The sewage treatment plant with the sewage discharge outlet of which the wastewater type is direct is a sewage treatment plant with a direct sewage discharge outlet. The sewage treatment plant with the sewage outlet of which the wastewater type is rain water is a sewage treatment plant with a rain water sewage outlet. Finding pollution sources without sewage outlets in the catchment area: and searching the pollution sources which are discharged into the catchment area and influence the river according to the space geographic information of the pollution sources. And simultaneously, screening out pollution sources without sewage outlets in the catchment area according to the incidence relation between the sewage outlets and the pollution sources. The types of pollution sources searched include: industrial enterprises, sewage treatment plants, agricultural sources, living sources, domestic waste centralized disposal plants (plants) and hazardous waste centralized disposal plants.
And further imaging the pollution source, namely analyzing and classifying the pollution source from a specific attribute angle, and imaging the pollution source to obtain attribute information of multiple dimensions of the pollution source.
The pollution source attribute "portrait" includes:
(1) Whether the industry is important: and forming a key industry comparison table on the basis of defining the pollution source types and key industries which influence the water quality exceeding the standard. And judging whether the pollution sources (according to the industry class information) in the pollution source summary list belong to the key industry or not according to the key industry comparison table.
(2) Whether monitoring data exist or not: and judging whether the pollution source has monitoring data or not according to the manual monitoring and automatic monitoring data enterprise list.
(3) Whether have the drain: and judging whether the pollution source in the list has a corresponding sewage outlet according to a receiving water body-section-sewage outlet-sewage treatment plant-industrial enterprise associated data summary table.
(4) Whether the water is directly discharged: and judging whether the pollution sources in the list are directly discharged into the water body or not according to a received water body-section-sewage discharge outlet-sewage treatment plant-industrial enterprise associated data summary table and the industrial enterprise whether the type of the wastewater in the sewage discharge permission data is direct or rainwater or not.
And comprehensively judging the suspicious degree of the overproof emission of the pollution source, and comprehensively judging the suspicious degree of the overproof emission of the pollution source according to the 'portrait' results of all the pollution sources in the list. The pollution source with high suspicious degree needs to be deeply analyzed by combining important information such as monitoring data and the like.
Determining a list of heavy pollution sources: for pollution sources with 'portrait' results in key industries, sewage outlets, monitoring data and direct drainage, key attention should be paid, and follow-up deep analysis work is facilitated. And summarizing the pollution sources meeting the conditions to form a heavy pollution source list.
Fig. 4 shows a contamination source analysis schematic according to an embodiment of the present disclosure.
As shown in fig. 4, in S104, the analyzing that each pollution source in the heavy point pollution source list exceeds the standard, and acquiring the standard exceeding emission pollution source list includes:
and (4) performing historical pollutant emission query on each pollution source in the heavy pollution source list, counting the exceeding frequency of the pollution source according to the allowable emission concentration limit value, and listing the exceeding emission pollution source list according to the exceeding frequency of the pollution source.
Specifically, the query of historical pollutant emission for each pollution source in the heavy pollution source list comprises: determining a pollution source directory with monitoring data according to the 'portrait' of the pollution source; according to the pollution discharge permission information of the pollution sources, searching in a data table of basic pollution discharge permission information to determine the industry category and whether the pollution sources wade; searching in a data table of basic information of a wastewater discharge port to determine the wastewater discharge type (direct, indirect and rainwater) of each pollution source; and searching in a data table of 'pollutant discharge permission limit of a wastewater discharge outlet' and 'basic information of an indirect wastewater discharge outlet' to determine the permission concentration limit of each pollution source pollution index.
The step of counting the exceeding frequency of the pollution source according to the allowable emission concentration limit comprises the following steps: and analyzing the data of the pollution source according to the list directory of the pollution source list of the monitoring data, the monitoring data of the pollution source and the pollution index allowable concentration limit value in the emission allowable information of the pollution source, and judging whether the pollution source (in the current month) exceeds the standard or not.
And deeply analyzing the pollution source with the overproof emission, and counting the time and the overproof frequency of the overproof emission of the pollution source.
The determining the list of out-of-compliance emission pollution sources comprises: and finally, arranging an overproof emission pollution source list table according to emission permission information and overproof conditions of the pollution source, wherein the list table comprises the name of the pollution source, the industry type, whether the pollution source is involved in water, whether the water body/sewage treatment plant is accepted, the emission type of the wastewater, whether the emission is overproof in the month, overproof time of the pollution index, overproof frequency and the like.
As shown in fig. 4, in S105, the obtaining the list of the excessive emission pollution sources sorting analysis result includes:
and calculating the emission of related pollution indexes according to the list of the over-standard emission pollution sources, and sequencing the emission to obtain a sequencing analysis result of the list of the over-standard emission pollution sources.
Specifically, according to the list of the overproof emission pollution sources, the information such as the industry name and the code of the pollution sources, the enterprise scale, the name of the receiving water body and the like is determined by searching in an industrial enterprise basic condition data table. Whether monitoring data exist or not is supplemented, whether standard exceeding emission exists or not is determined (in the current month), and the standard exceeding emission time and standard exceeding frequency of the standard exceeding emission pollution source are counted, so that the emission is calculated, and the emission is sequenced.
It is noted that while for simplicity of explanation, the foregoing method embodiments have been described as a series of acts or combination of acts, it will be appreciated by those skilled in the art that the present disclosure is not limited by the order of acts, as some steps may, in accordance with the present disclosure, occur in other orders and concurrently. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that acts and modules referred to are not necessarily required by the disclosure.
The above is a description of embodiments of the method, and the embodiments of the apparatus are further described below.
Fig. 5 shows a flow diagram of a contaminant traceability device 500 according to an embodiment of the present disclosure.
As shown in fig. 5, the contaminant tracing apparatus 500 includes:
a section area determining unit 501, configured to acquire a problem section of a pollutant, and determine a section area according to a water area range corresponding to the problem section;
a catchment area determining unit 502, configured to analyze a standard-exceeding pollutant concentration change curve of each section within a section interval within a period of time to obtain a catchment area;
a heavy point pollution source determination unit 503, configured to determine a list of all pollution sources according to the catchment area, and analyze the pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a list of heavy point pollution sources and a list of pollution sources without a sewage outlet;
the excessive emission pollution source determining unit 504 is configured to analyze an excessive emission condition of each pollution source in the heavy point pollution source list, and obtain an excessive emission pollution source list;
and the pollution source determining unit 505 is configured to obtain the sequencing analysis result of the list of the excessive emission pollution sources, integrate the list of the pollution sources without the sewage discharge port, and generate a source tracing analysis result list.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the described module may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
In the technical scheme of the disclosure, the acquisition, storage, application and the like of the personal information of the related user all accord with the regulations of related laws and regulations, and do not violate the customs of public sequences.
The present disclosure also provides an electronic device and a readable storage medium according to an embodiment of the present disclosure. The electronic device includes: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform method 100. The computer-readable storage medium, on which a computer program is stored which, when executed by a processor, implements the method 100.
FIG. 6 illustrates a schematic block diagram of an electronic device 600 that may be used to implement embodiments of the present disclosure. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be examples only, and are not meant to limit implementations of the disclosure described and/or claimed herein.
The device 600 comprises a computing unit 601, which may perform various suitable actions and processes in accordance with a computer program stored in a Read Only Memory (ROM) 602 or a computer program loaded from a storage unit 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data required for the operation of the device 600 can also be stored. The calculation unit 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
A number of components in the device 600 are connected to the I/O interface 605, including: an input unit 606 such as a keyboard, a mouse, or the like; an output unit 607 such as various types of displays, speakers, and the like; a storage unit 608, such as a magnetic disk, optical disk, or the like; and a communication unit 609 such as a network card, modem, wireless communication transceiver, etc. The communication unit 609 allows the device 600 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for implementing the methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowchart and/or block diagram to be performed. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the Internet.
The computer system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server may be a cloud server, a server of a distributed system, or a server combining a blockchain.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present disclosure may be executed in parallel or sequentially or in different orders, and are not limited herein as long as the desired results of the technical solutions of the present disclosure can be achieved.
The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.
Claims (9)
1. A method for tracing a source of a contaminant, comprising:
acquiring a problem section of a pollutant, and determining a section interval according to a water area range corresponding to the problem section;
analyzing the over-standard pollutant concentration change curve of each section within a period of time in the section interval to obtain a catchment area;
determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a heavy-point pollution source list and a pollution source list without a sewage discharge outlet;
analyzing the overproof emission condition of each pollution source in the heavy-point pollution source list to obtain an overproof emission pollution source list;
and acquiring the sequencing analysis result of the list of the over-standard emission pollution sources, integrating the list of the pollution sources without the sewage discharge outlet, and generating a source tracing analysis result list.
2. The pollutant tracing method of claim 1, wherein the step of determining the section area according to the water area range corresponding to the problem section investigation comprises the following steps:
finding the nearest relevant section of the problem section by combining a water system diagram and the flow direction of the water body according to the water body where the problem section is located;
the water area range from the beginning and ending of the nearest relevant section to the problem section is the section interval.
3. The method of claim 2, wherein the finding the nearest relevant section of the problem section in combination with the water system map and the water flow direction comprises:
according to the water body where the problem section is located, an upstream related section of the problem section is found by combining a water system diagram and the flow direction of the water body;
and finding the section which reaches the recent pollutant concentration standard and is closest to the problem section in the upstream related sections as the closest related section.
4. The method of tracing a source of a pollutant according to claim 1, wherein said analyzing the variation curve of the concentration of the pollutant exceeding the standard within a period of time for each section within the section interval to obtain a catchment area comprises:
comparing the overproof pollutant concentration change curves of the problem section and other sections, and keeping the sections which are consistent with the overproof pollutant concentration change curves of the problem section in other sections and/or the overproof pollutant concentration change curves of other sections to have values obviously higher than those of other sections, wherein the water area range corresponding to the reserved sections is a catchment area;
the other sections are sections of the section interval except the problem section.
5. The contaminant traceability method of claim 1, wherein the contamination-related data comprises:
whether the pollution is a key pollution industry, whether monitoring data exist, whether a sewage draining outlet exists, and whether the water is directly drained.
6. The pollutant tracing method of claim 1, wherein the analyzing each pollutant source exceeding emission condition in the heavy pollution source list and the obtaining the exceeding emission pollutant source list comprises:
and (4) performing historical pollutant emission query on each pollution source in the heavy point pollution source list, counting the exceeding frequency of the pollution source according to the allowable emission concentration limit value, and listing the exceeding emission pollution source list according to the exceeding frequency of the pollution source.
7. The pollutant tracing method of claim 1, wherein obtaining the list sequencing analysis result of the overproof emission pollutant source comprises:
and calculating the emission of related pollution indexes according to the list of the over-standard emission pollution sources, and sequencing the emission to obtain a sequencing analysis result of the list of the over-standard emission pollution sources.
8. A contaminant tracing apparatus, comprising:
the section interval determining unit is used for acquiring a problem section of the pollutant, and determining a section interval according to a water area range corresponding to the problem section;
the catchment area determining unit is used for analyzing the change curve of the concentration of the overproof pollutants of each section within a period of time in the section interval to obtain a catchment area;
the heavy point pollution source judging unit is used for determining a list of all pollution sources according to the catchment area, and analyzing according to pollution related data corresponding to each pollution source in the list of all pollution sources to obtain a heavy point pollution source list and a pollution source list without a sewage outlet;
the standard exceeding emission pollution source judging unit is used for analyzing the standard exceeding emission condition of each pollution source in the heavy point pollution source list and acquiring the standard exceeding emission pollution source list;
and the pollution source determining unit is used for acquiring the sequencing analysis result of the overproof emission pollution source list, integrating the pollution source list without the sewage discharge outlet and generating a source tracing analysis result list.
9. An electronic device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
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