CN116701885A - Wastewater treatment data acquisition and analysis method - Google Patents
Wastewater treatment data acquisition and analysis method Download PDFInfo
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- CN116701885A CN116701885A CN202310978255.4A CN202310978255A CN116701885A CN 116701885 A CN116701885 A CN 116701885A CN 202310978255 A CN202310978255 A CN 202310978255A CN 116701885 A CN116701885 A CN 116701885A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 185
- 238000004458 analytical method Methods 0.000 title claims abstract description 51
- 239000002351 wastewater Substances 0.000 claims abstract description 204
- 238000000034 method Methods 0.000 claims abstract description 188
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 104
- 231100000719 pollutant Toxicity 0.000 claims abstract description 104
- 238000000746 purification Methods 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000011156 evaluation Methods 0.000 claims abstract description 34
- 230000005856 abnormality Effects 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 44
- 238000005070 sampling Methods 0.000 claims description 40
- 239000000356 contaminant Substances 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 16
- 238000011109 contamination Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 238000013178 mathematical model Methods 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 3
- 241000894007 species Species 0.000 description 7
- 239000010865 sewage Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/243—Classification techniques relating to the number of classes
- G06F18/2433—Single-class perspective, e.g. one-against-all classification; Novelty detection; Outlier detection
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/20—Identification of molecular entities, parts thereof or of chemical compositions
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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
Abstract
The invention relates to the field of wastewater treatment data acquisition and analysis, and particularly discloses a wastewater treatment data acquisition and analysis method, which is used for acquiring the component information of wastewater to be treated, acquiring a proper treatment process of a wastewater treatment system and improving the production efficiency of wastewater treatment; acquiring water quality parameters of detection points of a wastewater discharge port, judging whether wastewater discharge of a wastewater treatment system meets discharge standards or not, and ensuring wastewater discharge safety; the method comprises the steps of acquiring the concentration before treatment and the concentration after treatment of various pollutants in various purification in various treatment procedures in the wastewater treatment system, analyzing the purification capacity evaluation coefficient of various treatment procedures in the wastewater treatment system, judging whether various treatment procedures in the wastewater treatment system work abnormally, helping to discover faults and abnormalities in the wastewater treatment system in time, taking control measures and ensuring the stable operation of the treatment system, thereby realizing the intelligent, efficient and sustainable development of the wastewater treatment system.
Description
Technical Field
The invention relates to the field of wastewater treatment data acquisition and analysis, in particular to a wastewater treatment data acquisition and analysis method.
Background
Wastewater treatment is an important task concerning global environment and human health. And the data acquisition and analysis are a critical part of the wastewater treatment process. By collecting and analyzing various data in the wastewater treatment process, the pollution degree of the wastewater and the types and the contents of pollutants can be comprehensively known, so that reasonable treatment schemes and measures are formulated. The data acquisition analysis can accurately evaluate the effect of wastewater treatment, monitor various indexes in the treatment process, discover and solve problems in time, and ensure that the wastewater treatment achieves the expected effect; scientific basis and reference can be provided for optimizing and improving the wastewater treatment process, and the treatment efficiency and quality are improved; in addition, a related database for wastewater treatment can be established, data support is provided for further research and exploration of wastewater treatment technology, and innovation and development of the wastewater treatment technology are promoted.
The existing wastewater treatment monitoring and analyzing method has some defects: on one hand, the sewage treatment capacity in the urban development process is large, the composition of the components in the sewage is very complex, and the sewage comprises domestic sewage, production sewage, industrial wastewater and the like, and natural precipitation and the like, so that great work difficulty is provided for sewage treatment work, the existing method blindly selects the wastewater treatment process, and the types and the contents of pollutants in the wastewater to be treated are not well combined, so that the proper and targeted treatment process is selected, and the production efficiency of wastewater treatment is low.
On the other hand, when the wastewater treatment emission does not reach the standard, the purification function of each treatment procedure in the wastewater treatment system is required to be checked, the treatment procedure with poor purification function is analyzed and early warning is carried out, when the purification function of the treatment procedure is evaluated by the existing method, the degree of purifying pollutants by the treatment procedure is directly compared with a set numerical value, and further, the conclusion is drawn that the method is too stiff, the purification of pollutants in the treatment procedure is often required to be repeated for a plurality of times, the dynamic analysis of each purification procedure of the treatment procedure is not carried out by the existing method, the dynamic trend curve of the purification effect corresponding to the treatment procedure is obtained, and the purification performance is further evaluated, so that the accuracy and the reliability of the result of evaluating the purification performance of the treatment procedure by the existing method are not high.
Disclosure of Invention
Aiming at the problems, the invention provides a wastewater treatment data acquisition and analysis method, which comprises the following specific technical scheme: a method for collecting and analyzing wastewater treatment data comprises the following steps: step one, selecting a wastewater treatment process: and obtaining component information of the wastewater to be treated, wherein the component information comprises the concentration of various pollutants, analyzing the type of the wastewater to be treated according to the component information of the wastewater to be treated, and further obtaining a proper treatment process of the wastewater treatment system.
Step two, water quality detection of a wastewater discharge port: and acquiring water quality parameters of detection points of a wastewater discharge port in the wastewater treatment system at each sampling time point in a monitoring period, wherein the water quality parameters comprise discharge concentrations of various pollutants, and analyzing to obtain a wastewater discharge standard coefficient of the wastewater treatment system.
Step three, wastewater discharge meets standard evaluation: judging whether the wastewater discharge of the wastewater treatment system meets the discharge standard according to the wastewater discharge standard reaching coefficient of the wastewater treatment system, if not, carrying out early warning, and executing the fourth step.
Step four, collecting wastewater treatment procedure information: and collecting water samples at the wastewater inlet and the wastewater outlet in each treatment process in the wastewater treatment system, and obtaining the concentration before treatment and the concentration after treatment of various pollutants in each treatment process in the wastewater treatment system.
Step five, analyzing the wastewater treatment procedure information: and analyzing to obtain the purifying capacity evaluation coefficient of each treatment procedure in the wastewater treatment system according to the concentration before treatment and the concentration after treatment of each pollutant in each treatment procedure in the wastewater treatment system.
Step six, waste water treatment abnormality evaluation feedback: judging whether each treatment process in the wastewater treatment system works abnormally according to the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system, further acquiring each treatment process with abnormal work in the wastewater treatment system, and feeding back.
On the basis of the above embodiment, the specific analysis process in the first step includes: and dividing the wastewater inlet area into a plurality of subareas according to a preset equal area principle to obtain each subarea of the wastewater inlet, and arranging monitoring points at the center point of each subarea of the wastewater inlet to obtain each monitoring point of the wastewater inlet.
And distributing sampling points at all monitoring points of the wastewater inlet according to a preset equal depth principle to obtain sampling points at all monitoring points of the wastewater inlet.
Collecting water body samples of all sampling points at all monitoring points of the wastewater inlet, acquiring the concentration of various pollutants of all sampling points at all monitoring points of the wastewater inlet through a water quality detection sensor, and recording the concentration as，/>Indicate->The number of the monitoring points is the same as the number of the monitoring points,，/>indicate->Number of sample points>，/>Indicate->Number of seed contamination,/->。
By analysis of formulasObtaining the concentration of various pollutants in the wastewater to be treatedWherein->Indicating the number of monitoring points +.>Representing a preset->Weighting factors for the individual sampling points, +.>。
On the basis of the above embodiment, the specific analysis process of the first step further includes: extracting pollutant sets corresponding to the wastewater types stored in the database, comparing various pollutants of the wastewater to be treated with the pollutant sets corresponding to the wastewater types, if a certain pollutant of the wastewater to be treated belongs to the pollutant set corresponding to the wastewater type, marking the pollutant of the wastewater to be treated as the pollutant matched with the wastewater type, and counting the pollutants matched with the wastewater types in the wastewater to be treated.
According to the concentration of various pollutants in the wastewater to be treated, screening to obtain the concentration of each pollutant matched with each wastewater type in the wastewater to be treated, and recording the concentration as，/>Indicate->Numbering of species waste water type,/->，/>A.about.4. Indicating a match of the wastewater types>Number of seed contamination,/->。
By analysis of formulasObtaining the correlation coefficient of the wastewater to be treated and each wastewater type>Wherein->Indicating the preset water to be treated and the +.>Seed wastewater type-matched->Influence factor of seed contamination, +.>Indicating the amount of wastewater type.
And comparing the correlation coefficient of the wastewater to be treated with the correlation coefficient of each wastewater type, and taking the wastewater type corresponding to the maximum correlation coefficient as the wastewater type to be treated.
And extracting treatment processes corresponding to the types of the wastewater stored in the database, screening and obtaining the treatment processes corresponding to the types of the wastewater to be treated according to the types of the wastewater to be treated, and marking the treatment processes as suitable treatment processes of a wastewater treatment system.
Based on the above embodiment, the specific analysis process in the second step is: setting the duration of a monitoring period, setting each sampling time point in the monitoring period according to a preset equal time interval principle, and arranging each detection point at a wastewater discharge port in a wastewater treatment system according to a preset principle.
Acquiring the discharge concentration of various pollutants at each detection point of a wastewater discharge port in a wastewater treatment system at each sampling time point in a monitoring period, and recording the discharge concentration asWherein->Indicate->Number of the sampling time points, +.>，/>Indicate->Number of detection points>，/>Indicating the detection point of the waste water discharge port>The number of the species of the contaminant,。
by analysis of formulasObtaining the wastewater discharge standard reaching coefficient of the wastewater treatment system>Wherein->Representing natural constant->Represents the number of sampling time points, +.>Indicating the number of detection points>Indicating the number of kinds of pollutant at the detection point of the waste water discharge port, < >>Indicating the preset wastewater discharge outlet detection point +.>Safe concentration of seed contaminant, +.>Monitoring of the first->Waste water discharge port in waste water treatment system with sampling time pointsFirst->Detection point->Emission concentration of the contaminant.
Based on the above embodiment, the specific analysis process in the third step is: and comparing the wastewater discharge standard coefficient of the wastewater treatment system with a preset wastewater discharge standard coefficient threshold, and if the wastewater discharge standard coefficient of the wastewater treatment system is smaller than the preset wastewater discharge standard coefficient threshold, making the wastewater discharge of the wastewater treatment system not meet the discharge standard and performing early warning.
Based on the above embodiment, the specific analysis process in the fourth step is: and collecting water samples at the wastewater inlet and the wastewater outlet in each purification in each treatment procedure in the wastewater treatment system.
Obtaining the concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system, calculating the average value of the concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system to obtain the average concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system, and recording the average concentration as the concentration before treatment of various pollutants in various purification steps in the wastewater treatment system，/>Indicate->Number of the treatment process, ->，Indicate->Number of secondary purification, ++>，/>Indicating the->The number of the species of the contaminant,。
similarly, the post-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system is obtained from the analysis method of the pre-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system, and is referred to as。
On the basis of the above embodiment, the specific analysis process in the fifth step includes: concentration before treatment of various pollutants in various purification in various treatment procedures in wastewater treatment systemAnd post-treatment concentration->Substitution formulaObtain the purifying effect index of various pollutants in various purifying processes in various treatment processes in the wastewater treatment system>Wherein->Correction factor representing preset purifying effect index, < ->Indicating a preset threshold for the decrease in concentration of contaminants after decontamination.
On the basis of the above embodiment, the specific analysis process in the fifth step further includes: and establishing a coordinate system by taking the number of times of purification as an abscissa and taking the purification effect index as an ordinate, marking the coordinate system as a reference coordinate system, marking corresponding data points in the reference coordinate system according to the purification effect index of various pollutants in various purification processes in the wastewater treatment system, and drawing a purification trend characteristic curve of various pollutants in various treatment processes in the wastewater treatment system by using a mathematical model establishing method.
And extracting the reference purifying trend characteristic curves of various pollutants in each processing procedure stored in the database.
Comparing the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system with the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure to obtain the coincidence degree of the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system and the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure, and recording the coincidence degree as the coincidence degree。
By analysis of formulasObtaining the purifying capacity evaluation coefficient of each treatment procedure in the wastewater treatment system>Wherein->Correction factor representing preset purifying capacity evaluation coefficient, +.>Indicating a preset purification trend characteristic curve fitness threshold,/->Indicating the +.o in the preset treatment process>The weight of the contaminant.
Based on the above embodiment, the specific analysis procedure in the step six is: comparing the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system with a preset purifying capacity evaluation coefficient threshold, if the purifying capacity evaluation coefficient of a certain treatment process in the wastewater treatment system is smaller than the preset purifying capacity evaluation coefficient threshold, counting each treatment process with abnormal operation in the wastewater treatment system, and feeding back to a wastewater treatment supervision department.
Compared with the prior art, the wastewater treatment data acquisition and analysis method has the following beneficial effects: 1. according to the invention, the type of the wastewater to be treated is analyzed by acquiring the component information of the wastewater to be treated, the proper treatment process of the wastewater treatment system is further acquired, and the proper and targeted treatment process is selected by combining the type and the content of pollutants in the wastewater to be treated, so that the production efficiency of wastewater treatment is improved.
2. The invention ensures that the wastewater data is persuasive and the representative value of the wastewater detection measurement data is ensured by setting the sampling place, the sampling mode and the sampling frequency of wastewater treatment monitoring.
3. According to the invention, the concentration before treatment and the concentration after treatment of various pollutants in various purification processes in the wastewater treatment system are obtained, the purification capacity evaluation coefficient of various treatment processes in the wastewater treatment system is analyzed, whether the various treatment processes in the wastewater treatment system work abnormally or not is judged, dynamic analysis is carried out on various purification processes of the treatment processes, and the dynamic trend curve of the purification effect corresponding to the treatment processes is obtained, so that the purification performance is evaluated, and the accuracy and the reliability of the result of the purification performance evaluation of the treatment processes in the existing method are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the method for collecting and analyzing wastewater treatment data provided by the invention comprises the following steps: step one, selecting a wastewater treatment process: and obtaining component information of the wastewater to be treated, wherein the component information comprises the concentration of various pollutants, analyzing the type of the wastewater to be treated according to the component information of the wastewater to be treated, and further obtaining a proper treatment process of the wastewater treatment system.
As a preferred embodiment, the specific analysis process of the first step includes: and dividing the wastewater inlet area into a plurality of subareas according to a preset equal area principle to obtain each subarea of the wastewater inlet, and arranging monitoring points at the center point of each subarea of the wastewater inlet to obtain each monitoring point of the wastewater inlet.
And distributing sampling points at all monitoring points of the wastewater inlet according to a preset equal depth principle to obtain sampling points at all monitoring points of the wastewater inlet.
Collecting water body samples of sampling points at monitoring points of the wastewater inlet, and acquiring the water body samples of the sampling points at the monitoring points of the wastewater inlet through a water quality detection sensorThe concentration of various contaminants at the sampling point is recorded as，/>Indicate->The number of the monitoring points is the same as the number of the monitoring points,，/>indicate->Number of sample points>，/>Indicate->The number of the species of the contaminant,。
by analysis of formulasObtaining the concentration of various pollutants of the wastewater to be treated>Wherein->Indicating the number of monitoring points +.>Representing a preset->Weighting factors for the individual sampling points, +.>。
It should be noted that the water quality detection sensor includes, but is not limited to, electrochemical sensor, optical sensor, biological sensor, gas sensor, etc. to adapt to different types of contaminant measurement requirements.
The contaminants may be chemical substances, microorganisms, heavy metals, and the like.
As a preferred embodiment, the specific analysis process of the first step further includes: extracting pollutant sets corresponding to the wastewater types stored in the database, comparing various pollutants of the wastewater to be treated with the pollutant sets corresponding to the wastewater types, if a certain pollutant of the wastewater to be treated belongs to the pollutant set corresponding to the wastewater type, marking the pollutant of the wastewater to be treated as the pollutant matched with the wastewater type, and counting the pollutants matched with the wastewater types in the wastewater to be treated.
According to the concentration of various pollutants in the wastewater to be treated, screening to obtain the concentration of each pollutant matched with each wastewater type in the wastewater to be treated, and recording the concentration as，/>Indicate->Numbering of species waste water type,/->，/>A.about.4. Indicating a match of the wastewater types>Numbering of seed contaminants，/>。
By analysis of formulasObtaining the correlation coefficient of the wastewater to be treated and each wastewater type>Wherein->Indicating the preset water to be treated and the +.>Seed wastewater type-matched->Influence factor of seed contamination, +.>Indicating the amount of wastewater type.
And comparing the correlation coefficient of the wastewater to be treated with the correlation coefficient of each wastewater type, and taking the wastewater type corresponding to the maximum correlation coefficient as the wastewater type to be treated.
And extracting treatment processes corresponding to the types of the wastewater stored in the database, screening and obtaining the treatment processes corresponding to the types of the wastewater to be treated according to the types of the wastewater to be treated, and marking the treatment processes as suitable treatment processes of a wastewater treatment system.
The type of wastewater includes, but is not limited to, domestic wastewater, industrial wastewater, natural precipitation, and the like.
It should be noted that the same pollutant may belong to a corresponding pollutant set of different wastewater types.
The wastewater treatment process includes, but is not limited to: single or multiple combinations of biological treatment, physical treatment, chemical treatment, advanced oxidation techniques, and membrane separation techniques.
It should be noted that the specific pollutants purified by different wastewater treatment processes are different, and the purification functions are different.
In the embodiment, the invention further obtains the proper treatment process of the wastewater treatment system by obtaining the component information of the wastewater to be treated and analyzing the type of the wastewater to be treated, and further selects the proper and targeted treatment process by combining the type and the content of pollutants in the wastewater to be treated, thereby improving the production efficiency of wastewater treatment.
In the embodiment, the invention ensures that the wastewater data has persuasion and ensures the representative value of the wastewater detection measurement data by setting the sampling place, the sampling mode and the sampling frequency of wastewater treatment monitoring.
Step two, water quality detection of a wastewater discharge port: and acquiring water quality parameters of detection points of a wastewater discharge port in the wastewater treatment system at each sampling time point in a monitoring period, wherein the water quality parameters comprise discharge concentrations of various pollutants, and analyzing to obtain a wastewater discharge standard coefficient of the wastewater treatment system.
As a preferable scheme, the specific analysis process of the second step is as follows: setting the duration of a monitoring period, setting each sampling time point in the monitoring period according to a preset equal time interval principle, and arranging each detection point at a wastewater discharge port in a wastewater treatment system according to a preset principle.
Acquiring the discharge concentration of various pollutants at each detection point of a wastewater discharge port in a wastewater treatment system at each sampling time point in a monitoring period, and recording the discharge concentration asWherein->Indicate->Number of the sampling time points, +.>，/>Indicate->Number of detection points>，/>Indicating the detection point of the waste water discharge port>The number of the species of the contaminant,。
by analysis of formulasObtaining the wastewater discharge standard reaching coefficient of the wastewater treatment system>Wherein->Representing natural constant->Represents the number of sampling time points, +.>Indicating the number of detection points>Indicating the number of kinds of pollutant at the detection point of the waste water discharge port, < >>Indicating the preset wastewater discharge outlet detection point +.>Safe concentration of seed contaminant, +.>Monitoring of the first->Waste water discharge port in waste water treatment system at sampling time pointDetection point->Emission concentration of the contaminant.
Step three, wastewater discharge meets standard evaluation: judging whether the wastewater discharge of the wastewater treatment system meets the discharge standard according to the wastewater discharge standard reaching coefficient of the wastewater treatment system, if not, carrying out early warning, and executing the fourth step.
As a preferable scheme, the specific analysis process of the third step is as follows: and comparing the wastewater discharge standard coefficient of the wastewater treatment system with a preset wastewater discharge standard coefficient threshold, and if the wastewater discharge standard coefficient of the wastewater treatment system is smaller than the preset wastewater discharge standard coefficient threshold, making the wastewater discharge of the wastewater treatment system not meet the discharge standard and performing early warning.
Step four, collecting wastewater treatment procedure information: and collecting water samples at the wastewater inlet and the wastewater outlet in each treatment process in the wastewater treatment system, and obtaining the concentration before treatment and the concentration after treatment of various pollutants in each treatment process in the wastewater treatment system.
As a preferable scheme, the specific analysis process of the fourth step is as follows: and collecting water samples at the wastewater inlet and the wastewater outlet in each purification in each treatment procedure in the wastewater treatment system.
The concentration of various pollutants in various water body samples at the wastewater inlet in various purification in various treatment procedures in the wastewater treatment system is obtained, and the wastewater inlet in various purification in various treatment procedures in the wastewater treatment system is obtainedThe average value of the concentrations of various pollutants in each water body sample is calculated to obtain the average concentration of various pollutants in each water body sample at the wastewater inlet in each purification in each treatment process in the wastewater treatment system, and the average concentration is recorded as the concentration before treatment of various pollutants in each purification in each treatment process in the wastewater treatment system and expressed as，/>Indicate->Number of the treatment process, ->，Indicate->Number of secondary purification, ++>，/>Indicating the->The number of the species of the contaminant,。
similarly, the post-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system is obtained from the analysis method of the pre-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system, and is referred to as。
The treatment steps in the wastewater treatment system may be repeated a plurality of times, and the repeated steps of the treatment steps in the wastewater treatment system are referred to as the purification steps of the treatment steps in the wastewater treatment system.
Step five, analyzing the wastewater treatment procedure information: and analyzing to obtain the purifying capacity evaluation coefficient of each treatment procedure in the wastewater treatment system according to the concentration before treatment and the concentration after treatment of each pollutant in each treatment procedure in the wastewater treatment system.
As a preferred embodiment, the specific analysis process in the fifth step includes: concentration before treatment of various pollutants in various purification in various treatment procedures in wastewater treatment systemAnd post-treatment concentration->Substitution formulaObtain the purifying effect index of various pollutants in various purifying processes in various treatment processes in the wastewater treatment system>Wherein->Correction factor representing preset purifying effect index, < ->Indicating a preset threshold for the decrease in concentration of contaminants after decontamination.
As a preferred embodiment, the specific analysis process in the fifth step further includes: and establishing a coordinate system by taking the number of times of purification as an abscissa and taking the purification effect index as an ordinate, marking the coordinate system as a reference coordinate system, marking corresponding data points in the reference coordinate system according to the purification effect index of various pollutants in various purification processes in the wastewater treatment system, and drawing a purification trend characteristic curve of various pollutants in various treatment processes in the wastewater treatment system by using a mathematical model establishing method.
And extracting the reference purifying trend characteristic curves of various pollutants in each processing procedure stored in the database.
Comparing the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system with the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure to obtain the coincidence degree of the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system and the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure, and recording the coincidence degree as the coincidence degree。
By analysis of formulasObtaining the purifying capacity evaluation coefficient of each treatment procedure in the wastewater treatment system>Wherein->Correction factor representing preset purifying capacity evaluation coefficient, +.>Indicating a preset purification trend characteristic curve fitness threshold,/->Indicating the +.o in the preset treatment process>The weight of the contaminant.
Step six, waste water treatment abnormality evaluation feedback: judging whether each treatment process in the wastewater treatment system works abnormally according to the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system, further acquiring each treatment process with abnormal work in the wastewater treatment system, and feeding back.
As a preferred scheme, the specific analysis process in the step six is as follows: comparing the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system with a preset purifying capacity evaluation coefficient threshold, if the purifying capacity evaluation coefficient of a certain treatment process in the wastewater treatment system is smaller than the preset purifying capacity evaluation coefficient threshold, counting each treatment process with abnormal operation in the wastewater treatment system, and feeding back to a wastewater treatment supervision department.
In the embodiment, the method and the device acquire the concentration before treatment and the concentration after treatment of various pollutants in various purification in various treatment procedures in the wastewater treatment system, analyze the purification capability evaluation coefficient of various treatment procedures in the wastewater treatment system, judge whether various treatment procedures in the wastewater treatment system work abnormally, dynamically analyze various purification procedures of the treatment procedures, acquire the dynamic trend curve of the purification effect corresponding to the treatment procedures, further evaluate the purification performance of the wastewater treatment system, and improve the accuracy and the reliability of the result of evaluating the purification performance of the treatment procedures by the existing method.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (9)
1. The method for collecting and analyzing the wastewater treatment data is characterized by comprising the following steps of:
step one, selecting a wastewater treatment process: acquiring component information of the wastewater to be treated, wherein the component information comprises the concentration of various pollutants, analyzing the type of the wastewater to be treated according to the component information of the wastewater to be treated, and further acquiring a proper treatment process of a wastewater treatment system;
step two, water quality detection of a wastewater discharge port: acquiring water quality parameters of detection points of a wastewater discharge port in a wastewater treatment system at each sampling time point in a monitoring period, wherein the water quality parameters comprise discharge concentrations of various pollutants, and analyzing to obtain a wastewater discharge standard coefficient of the wastewater treatment system;
step three, wastewater discharge meets standard evaluation: judging whether the wastewater discharge of the wastewater treatment system meets the discharge standard according to the wastewater discharge standard reaching coefficient of the wastewater treatment system, if not, carrying out early warning, and executing the fourth step;
step four, collecting wastewater treatment procedure information: collecting water body samples at a wastewater inlet and a wastewater outlet in each treatment process in the wastewater treatment system, and obtaining the concentration before treatment and the concentration after treatment of various pollutants in each treatment process in the wastewater treatment system;
step five, analyzing the wastewater treatment procedure information: analyzing to obtain purifying capacity evaluation coefficients of various treatment procedures in the wastewater treatment system according to the concentration before treatment and the concentration after treatment of various pollutants in various treatment procedures in the wastewater treatment system;
step six, waste water treatment abnormality evaluation feedback: judging whether each treatment process in the wastewater treatment system works abnormally according to the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system, further acquiring each treatment process with abnormal work in the wastewater treatment system, and feeding back.
2. The method for collecting and analyzing wastewater treatment data according to claim 1, wherein: the specific analysis process of the first step comprises the following steps:
dividing the wastewater inlet area into a plurality of subareas according to a preset equal area principle to obtain each subarea of the wastewater inlet, and arranging monitoring points at the center point of each subarea of the wastewater inlet to obtain each monitoring point of the wastewater inlet;
arranging sampling points at each monitoring point of the wastewater inlet according to a preset equal depth principle to obtain sampling points at each monitoring point of the wastewater inlet;
collecting water body samples of all sampling points at all monitoring points of the wastewater inlet, acquiring the concentration of various pollutants of all sampling points at all monitoring points of the wastewater inlet through a water quality detection sensor, and recording the concentration as，/>Indicate->Number of each monitoring point->，Indicate->Number of sample points>，/>Indicate->Number of seed contamination,/->；
By analysis of formulasObtaining the concentration of various pollutants of the wastewater to be treated>Wherein->Indicating the number of monitoring points +.>Representing a preset->Weighting factors for the individual sampling points, +.>。
3. The method for collecting and analyzing wastewater treatment data according to claim 2, wherein: the specific analysis process of the first step further comprises:
extracting pollutant sets corresponding to the wastewater types stored in a database, comparing various pollutants of the wastewater to be treated with the pollutant sets corresponding to the wastewater types, if a certain pollutant of the wastewater to be treated belongs to the pollutant set corresponding to the wastewater type, marking the pollutant of the wastewater to be treated as the pollutant matched with the wastewater type, and counting the pollutants matched with the wastewater types in the wastewater to be treated;
according to the concentration of various pollutants in the wastewater to be treated, screening to obtain the concentration of each pollutant matched with each wastewater type in the wastewater to be treated, and recording the concentration as，/>Indicate->Numbering of species waste water type,/->，/>A.about.4. Indicating a match of the wastewater types>Number of seed contamination,/->；
By analysis of formulasObtaining the correlation coefficient of the wastewater to be treated and each wastewater type>Wherein->Indicating the preset water to be treated and the +.>Seed wastewater type-matched->Influence factor of seed contamination, +.>Indicating the amount of wastewater type;
comparing the correlation coefficient of the wastewater to be treated with the correlation coefficient of each wastewater type, and taking the wastewater type corresponding to the maximum correlation coefficient as the type of the wastewater to be treated;
and extracting treatment processes corresponding to the types of the wastewater stored in the database, screening and obtaining the treatment processes corresponding to the types of the wastewater to be treated according to the types of the wastewater to be treated, and marking the treatment processes as suitable treatment processes of a wastewater treatment system.
4. The method for collecting and analyzing wastewater treatment data according to claim 1, wherein: the specific analysis process of the second step is as follows:
setting the duration of a monitoring period, setting each sampling time point in the monitoring period according to a preset equal time interval principle, and arranging each detection point at a wastewater discharge port in a wastewater treatment system according to a preset principle;
acquiring the discharge concentration of various pollutants at each detection point of a wastewater discharge port in a wastewater treatment system at each sampling time point in a monitoring period, and recording the discharge concentration asWherein->Indicate->Number of the sampling time points, +.>，/>Indicate->Number of detection points>，/>Indicating the detection point of the waste water discharge port>Number of seed contamination,/->；
By analysis of formulasObtaining the wastewater discharge standard reaching coefficient of the wastewater treatment system>Wherein->Representing natural constant->Represents the number of sampling time points, +.>Indicating the number of detection points>Indicating the number of kinds of pollutant at the detection point of the waste water discharge port, < >>Indicating the preset wastewater discharge outlet detection point +.>Safe concentration of seed contaminant, +.>Monitoring of the first->Waste water discharge port in waste water treatment system at sampling time point +.>Detection point->Emission concentration of the contaminant.
5. The method for collecting and analyzing wastewater treatment data according to claim 1, wherein: the specific analysis process of the third step is as follows:
and comparing the wastewater discharge standard coefficient of the wastewater treatment system with a preset wastewater discharge standard coefficient threshold, and if the wastewater discharge standard coefficient of the wastewater treatment system is smaller than the preset wastewater discharge standard coefficient threshold, making the wastewater discharge of the wastewater treatment system not meet the discharge standard and performing early warning.
6. The method for collecting and analyzing wastewater treatment data according to claim 1, wherein: the specific analysis process of the fourth step is as follows:
collecting water samples at a wastewater inlet and a wastewater outlet in each purification in each treatment procedure in a wastewater treatment system;
obtaining the concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system, calculating the average value of the concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system to obtain the average concentration of various pollutants in various water body samples at the wastewater inlet in various purification steps in the wastewater treatment system, and recording the average concentration as the concentration before treatment of various pollutants in various purification steps in the wastewater treatment system，/>Indicate->Number of the treatment process, ->，Indicate->Number of secondary purification, ++>，/>Indicating the->The number of the species of the contaminant,；
similarly, the post-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system is obtained from the analysis method of the pre-treatment concentration of each contaminant in each purification in each treatment process in the wastewater treatment system, and is referred to as。
7. The method for collecting and analyzing wastewater treatment data according to claim 6, wherein: the specific analysis process in the fifth step comprises the following steps:
concentration before treatment of various pollutants in various purification in various treatment procedures in wastewater treatment systemAnd post-treatment concentration->Substitution formula->Obtaining the purifying effect of various pollutants in various purifying processes in various treatment processes in the wastewater treatment systemFruit index->Wherein->Correction factor representing preset purifying effect index, < ->Indicating a preset threshold for the decrease in concentration of contaminants after decontamination.
8. The method for collecting and analyzing wastewater treatment data according to claim 7, wherein: the specific analysis process in the fifth step further comprises:
establishing a coordinate system by taking the number of times of purification as an abscissa and the purification effect index as an ordinate, marking the coordinate system as a reference coordinate system, marking corresponding data points in the reference coordinate system according to the purification effect index of various pollutants in various purification processes in the wastewater treatment system, and drawing a purification trend characteristic curve of various pollutants in various treatment processes in the wastewater treatment system by using a mathematical model establishing method;
extracting a reference purifying trend characteristic curve of various pollutants in each processing procedure stored in a database;
comparing the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system with the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure to obtain the coincidence degree of the characteristic curves of the purifying trend of various pollutants in each treatment procedure in the wastewater treatment system and the characteristic curves of the reference purifying trend of the corresponding pollutants in the corresponding treatment procedure, and recording the coincidence degree as the coincidence degree；
By analysis of formulasObtainingPurification ability evaluation coefficient of each treatment step in wastewater treatment system>Wherein->Correction factor representing preset purifying capacity evaluation coefficient, +.>Indicating a preset purification trend characteristic curve fitness threshold,/->Indicating the +.o in the preset treatment process>The weight of the contaminant.
9. The method for collecting and analyzing wastewater treatment data according to claim 1, wherein: the specific analysis process in the step six is as follows:
comparing the purifying capacity evaluation coefficient of each treatment process in the wastewater treatment system with a preset purifying capacity evaluation coefficient threshold, if the purifying capacity evaluation coefficient of a certain treatment process in the wastewater treatment system is smaller than the preset purifying capacity evaluation coefficient threshold, counting each treatment process with abnormal operation in the wastewater treatment system, and feeding back to a wastewater treatment supervision department.
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