A method for identifying environmental pollution sources based on chemical analysis

Abstract

The present invention relates to the technical field of pollution source identification methods, and specifically to an environmental pollution source identification method based on chemical analysis, comprising the following steps: a control module calculates the total number of chemical pollution detections according to the total area of ​​soil to be detected, calculates chemical pollutant calculation factors according to relevant information, obtains first pollution source information according to the chemical pollutant calculation factors and transmits it to a communication module; the communication module transmits the first pollution source information to a user end. The above-mentioned calculated related parameters are convenient for relevant staff to query, and the production pollution source is obtained by chemical analysis, and the result obtained by this method is more accurate.

Description

Technical Field

[0001] The present invention relates to the technical field of pollution source identification methods, and in particular to an environmental pollution source identification method based on chemical analysis. Background Art

[0002] Chemical analysis refers to the method of determining the chemical composition or composition of a substance. It can be divided into inorganic analysis and organic analysis according to the nature of the substance being analyzed. According to the requirements of the analysis, it can be divided into qualitative analysis and quantitative analysis. According to the amount of the sample of the substance being analyzed, it can be divided into macroanalysis, semi-microanalysis, microanalysis and ultra-microanalysis.

[0003] Pollution source identification, referred to as source identification, is the process of identifying, analyzing and evaluating the sources of pollutants.

[0004] Soil pollution sources refer to the sources of soil environmental pollutants. Equipment, devices, and places that can produce physical, chemical, and biological harmful substances (energy) are generally referred to as soil environmental pollution sources.

[0005] The sources of soil pollution are quite complex and can be divided into domestic pollution sources and production pollution sources. For example, most domestic pollution sources are sewage discharged from hospitals, and production pollution sources are waste gas containing heavy metals discharged from factories.

[0006] After a lot of searching and reference, we found that many pollution source identification methods have been developed. For example, the prior art includes pollution source identification methods disclosed in publication numbers CN105631203A, CN108595414A, CN105844301A, CN114993965A, CN112903339A and CN108446433A. These generally include the following steps: obtaining a hyperspectral remote sensing image of the soil surface, the soil surface including a normal area and multiple abnormal areas; wherein the abnormal area refers to an area on the soil surface containing a pollution source and each abnormal area only contains one pollution source, and the normal area refers to an area on the soil surface that does not contain a pollution source; standardizing the spectral data of the hyperspectral remote sensing image, the standardization includes: extracting the hyperspectral reflectance and The hyperspectral reflectance of each pixel in the normal area at each wavelength; the sum of the hyperspectral reflectances of all abnormal areas is calculated to obtain the sum value, and the ratio of the hyperspectral reflectance of the normal area to the sum value at each wavelength is calculated; the product of the ratio and the hyperspectral reflectance of the abnormal area is calculated to obtain the standardized hyperspectral reflectance of the abnormal area; spectral features are extracted from the standardized spectral data, and the spectral features include band depth, absorption peak area, band width and absorption characteristics; texture features are extracted from the hyperspectral remote sensing image based on second-order probability statistics filtering, and the texture features include mean, variance, contrast, dissimilarity, second-order moment and correlation features; the pre-set support vector machine model is trained according to the spectral features and texture features to obtain a trained classifier; pollution sources are identified for the hyperspectral remote sensing image of the soil surface to be detected according to the classifier.

[0007] In the prior art, there are certain errors in identifying pollution sources by using image comparison. Summary of the invention

[0008] In view of the deficiencies in the prior art, the present invention provides an environmental pollution source identification method based on chemical analysis to reduce the error in pollution source identification.

[0009] To achieve the above object, the present invention adopts the following technical solution:

[0010] A method for identifying environmental pollution sources based on chemical analysis comprises the following steps:

[0011] S1: The detection module detects and obtains the total area of ​​the soil to be detected, the straight-line distance between the soil sampling center point and the center point of the factory during the z-th chemical pollution detection, the heavy metal pollution index, the detection time during the z-th chemical pollution detection, the relative humidity of the soil sampling during the z-th chemical pollution detection, and the heavy metal content during the z-th chemical pollution detection, and transmits the information to the control module;

[0012] S2: The information module is set to store the information of the sampling weight of the soil during chemical pollution detection and transmit it to the control module;

[0013] S3: The control module calculates the total number of chemical pollution detections according to the total area of ​​the soil to be detected, calculates the chemical pollutant calculation factor according to the relevant information, obtains the first pollution source information according to the chemical pollutant calculation factor and transmits it to the communication module;

[0014] S4: The communication module transmits the first pollution source information to the user end.

[0015] Optionally, in step S1, the detection module includes a visual analysis submodule, a heavy metal content analysis submodule, a time analysis submodule and a humidity analysis submodule, and the visual analysis submodule, the heavy metal content analysis submodule, the time analysis submodule and the humidity analysis submodule are all communicatively connected with the control module;

[0016] The visual analysis submodule analyzes and obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution test, and the heavy metal pollution index information, and transmits it to the control module;

[0017] The heavy metal content analysis submodule detects and obtains the information of heavy metal content during the z-th chemical pollution detection, and transmits it to the control module;

[0018] The time analysis submodule obtains information about the detection time of the zth chemical pollution detection by statistics and transmits it to the control module;

[0019] The humidity analysis submodule detects and obtains the information of the relative humidity of the soil sampled during the zth chemical pollution detection, and transmits it to the control module.

[0020] Optionally, in step S1, the visual analysis submodule includes a photographing unit, a target recognition unit, and a parameter analysis unit that are communicatively connected in sequence, and the parameter analysis unit is communicatively connected to the control module;

[0021] The photographing unit is used to take photos and obtain initial photos, and transmit them to the target recognition unit;

[0022] The target recognition unit recognizes the initial image according to the preset target and converts it into a recognition photo, and transmits it to the parameter analysis unit;

[0023] The parameter analysis unit obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection, and the heavy metal pollution index information based on the identification photo analysis, and transmits it to the control module.

[0024] Optionally, in step S3, when the control module calculates the first pollution source information, the following formula is satisfied:

[0025]

[0026]

[0027]

[0028] Among them, α is the first pollution source information, A is the chemical pollutant calculation factor, a ref is the selection threshold for calculating the factor of chemical pollutants. When α=1, it is not a productive pollution source, and when α=2, it is a productive pollution source;

[0029] z is the total number of chemical pollution detections, is the heavy metal content in the zth chemical pollution detection, m hx is the sampling weight of soil for chemical pollution detection, water z is the relative humidity of soil sampled during the zth chemical pollution detection, t z is the detection time of the zth chemical pollution detection, js is the heavy metal pollution index, js has the following values, js=3 or js=4, when js=3, the straight-line distance between the center point of the soil to be detected and the center point of the factory is less than 1 km, when js=4, the straight-line distance between the center point of the soil to be detected and the center point of the factory is greater than or equal to 1 km, d z is the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection;

[0030] S is the total area of ​​soil to be tested.

[0031] Optionally, in step S1, the detection module further includes a strain analysis submodule, a temperature analysis submodule and a depth analysis submodule, and the strain analysis submodule, the temperature analysis submodule and the depth analysis submodule are all communicatively connected with the control module;

[0032] The bacterial species analysis submodule detects and obtains the total number of bacterial species during biological contamination detection and the number of colonies of the xth bacterial species during the yth biological contamination detection, and transmits the information to the control module;

[0033] The temperature analysis submodule detects and obtains information on the temperature of the diluted solution poured during the yth biological contamination detection, and transmits the information to the control module;

[0034] The depth analysis submodule detects and obtains information about the total depth of the soil to be detected, and transmits the information to the control module;

[0035] The parameter analysis unit also analyzes and obtains information on the biological contamination index and the straight-line distance between the sampling center point of the soil and the center point of the designated place during the yth biological contamination detection, and transmits the information to the control module;

[0036] The time analysis submodule also obtains information about the oscillation time during the yth biological contamination detection and transmits it to the control module;

[0037] In step S2, the setting information module is also used to store the information of the sampling weight of the soil during the biological contamination detection, the oscillation acceleration during the yth biological contamination detection, and the dilution degree during the yth biological contamination detection, and transmit it to the control module;

[0038] In step S3, the control module also calculates the total number of biological contamination detections according to the total depth of the soil to be detected, calculates the biological contaminant calculation factor according to the relevant information, obtains the second pollution source information according to the biological contaminant calculation factor and transmits it to the communication module;

[0039] In step S4, the communication module also transmits the second pollution source information to the user end.

[0040] Optionally, in step S3, when the control module calculates the second pollution source information, the following formula is satisfied:

[0041]

[0042] Among them, β is the second pollution source information, B is the biological pollutant calculation factor, b ref is the selection threshold of the biological pollutant calculation factor. When β = 1, it does not belong to the source of life pollution, and when β = 2, it belongs to the source of life pollution;

[0043] Y is the total number of biological contamination detections, X is the total number of bacterial species during biological contamination detection, is the number of colonies of the xth bacterial species in the yth biological contamination detection, m sw is the sampling weight of soil for biological contamination detection, t y is the oscillation time during the yth biological contamination detection, a y is the oscillation acceleration during the yth biological contamination detection, temp y is the temperature of the diluent poured into the yth biological contamination test, xs y is the dilution degree of the yth biological contamination detection, sw is the biological contamination index, and sw has the following values: sw = 2 or sw = 3. When sw = 2, the straight-line distance between the center of the soil to be detected and the center of the designated place is less than 600 meters. When sw = 3, the straight-line distance between the center of the soil to be detected and the center of the designated place is greater than or equal to 600 meters. y is the straight-line distance between the soil sampling center point and the center point of the designated site during the yth biological contamination detection;

[0044] H is the total depth of the soil to be tested.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] 1. The control module calculates the first pollution source information, and can determine whether the pollution source of the soil is a production pollution source, and can take corresponding measures in time to reduce the degree of soil pollution;

[0047] 2. When calculating the chemical pollutant calculation factor, considering that the relevant information obtained from different sampling locations is inconsistent, multiple chemical pollution tests can improve the calculation accuracy of the chemical pollutant calculation factor;

[0048] 3. The control module calculates the second pollution source information, and can determine whether the pollution source of the soil is a living pollution source, and can take corresponding measures in time to reduce the degree of soil pollution;

[0049] 4. When calculating the biological pollutant calculation factor, considering that the relevant information obtained from different sampling locations is inconsistent, multiple biological contamination tests can improve the calculation accuracy of the biological pollutant calculation factor;

[0050] 5. This method integrates the detection of production pollution sources and domestic pollution sources, which can improve the convenience of detection, and the relevant parameters obtained are convenient for relevant staff to query. In addition, the production pollution sources and domestic pollution sources are obtained through chemical analysis, and the identification results obtained by this method are more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0052] Figure 1 is a flow chart of the steps of the present invention;

[0053] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0054] Figure 3 It is a structural schematic diagram of the visual analysis submodule in the present invention;

[0055] Figure 4 This is a flowchart of the operation of the control module in the second embodiment of the present invention. DETAILED DESCRIPTION

[0056] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0057] Example:

[0058] It should be noted that the terms "including" and "having" and any variations of the embodiments of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0059] Embodiment 1: This embodiment provides a method for identifying environmental pollution sources based on chemical analysis, combined with Figures 1 to 3 shown.

[0060] A method for identifying environmental pollution sources based on chemical analysis comprises the following steps:

[0061] S1: The detection module detects and obtains the total area of ​​the soil to be detected, the straight-line distance between the soil sampling center point and the center point of the factory during the z-th chemical pollution detection, the heavy metal pollution index, the detection time during the z-th chemical pollution detection, the relative humidity of the soil sampling during the z-th chemical pollution detection, and the heavy metal content during the z-th chemical pollution detection, and transmits the information to the control module;

[0062] S2: The information module is set to store the information of the sampling weight of the soil during chemical pollution detection and transmit it to the control module;

[0063] S3: The control module calculates the total number of chemical pollution detections according to the total area of ​​the soil to be detected, calculates the chemical pollutant calculation factor according to the relevant information, obtains the first pollution source information according to the chemical pollutant calculation factor and transmits it to the communication module;

[0064] S4: The communication module transmits the first pollution source information to the user end.

[0065] Optionally, in step S1, the detection module includes a visual analysis submodule, a heavy metal content analysis submodule, a time analysis submodule and a humidity analysis submodule, and the visual analysis submodule, the heavy metal content analysis submodule, the time analysis submodule and the humidity analysis submodule are all communicatively connected with the control module;

[0066] The visual analysis submodule analyzes and obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution test, and the heavy metal pollution index information, and transmits it to the control module;

[0067] The heavy metal content analysis submodule detects and obtains the information of heavy metal content during the z-th chemical pollution detection, and transmits it to the control module;

[0068] The time analysis submodule obtains information about the detection time of the zth chemical pollution detection by statistics and transmits it to the control module;

[0069] The humidity analysis submodule detects and obtains the information of the relative humidity of the soil sampled during the zth chemical pollution detection, and transmits it to the control module.

[0070] Optionally, in step S1, the visual analysis submodule includes a photographing unit, a target recognition unit, and a parameter analysis unit that are communicatively connected in sequence, and the parameter analysis unit is communicatively connected to the control module;

[0071] The photographing unit is used to take photos and obtain initial photos, and transmit them to the target recognition unit;

[0072] The target recognition unit recognizes the initial image according to the preset target and converts it into a recognition photo, and transmits it to the parameter analysis unit;

[0073] The parameter analysis unit obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection, and the heavy metal pollution index information based on the identification photo analysis, and transmits it to the control module.

[0074] Optionally, in step S3, when the control module calculates the first pollution source information, the following formula is satisfied:

[0075]

[0076]

[0077]

[0078] Among them, α is the first pollution source information, A is the chemical pollutant calculation factor, a ref is the selection threshold for calculating the factor of chemical pollutants. When α=1, it is not a productive pollution source, and when α=2, it is a productive pollution source;

[0079] Z is the total number of chemical pollution detections, is the heavy metal content in the zth chemical pollution detection, m hx is the sampling weight of soil for chemical pollution detection, water zis the relative humidity of soil sampled during the zth chemical pollution detection, t z is the detection time of the zth chemical pollution detection, js is the heavy metal pollution index, js has the following values, js=3 or js=4, when js=3, the straight-line distance between the center point of the soil to be detected and the center point of the factory is less than 1 km, when js=4, the straight-line distance between the center point of the soil to be detected and the center point of the factory is greater than or equal to 1 km, d z is the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection;

[0080] S is the total area of ​​the soil to be detected. Preferably, the unit of the distance is m, and the unit of the total area S is m2. The above units are only examples. Those skilled in the art can make different designs and adopt corresponding units according to actual needs when implementing this solution.

[0081] Specifically, the detection time of the zth chemical pollution detection refers to the time from soil sampling to the completion of heavy metal content detection; the factory refers to the factory that emits heavy metal waste gas, and the factory can be judged based on the business scope on the business license or based on the relevant information registered by the factory on the government website; because most chemical pollution is affected by the emission of heavy metal waste gas, the different detection times during chemical pollution detection correspond to inconsistent sampling positions along the soil surface.

[0082] Optionally, in step S1, the detection module further includes a strain analysis submodule, a temperature analysis submodule and a depth analysis submodule, and the strain analysis submodule, the temperature analysis submodule and the depth analysis submodule are all communicatively connected with the control module;

[0083] The bacterial species analysis submodule detects and obtains the total number of bacterial species during biological contamination detection and the number of colonies of the xth bacterial species during the yth biological contamination detection, and transmits the information to the control module;

[0084] The temperature analysis submodule detects and obtains information on the temperature of the diluted solution poured during the yth biological contamination detection, and transmits the information to the control module;

[0085] The depth analysis submodule detects and obtains information about the total depth of the soil to be detected, and transmits the information to the control module;

[0086] The parameter analysis unit also analyzes and obtains information on the biological contamination index and the straight-line distance between the sampling center point of the soil and the center point of the designated place during the yth biological contamination detection, and transmits the information to the control module;

[0087] The time analysis submodule also obtains information about the oscillation time during the yth biological contamination detection and transmits it to the control module;

[0088] In step S2, the setting information module is also used to store the information of the sampling weight of the soil during the biological contamination detection, the oscillation acceleration during the yth biological contamination detection, and the dilution degree during the yth biological contamination detection, and transmit it to the control module;

[0089] In step S3, the control module also calculates the total number of biological contamination detections according to the total depth of the soil to be detected, calculates the biological contaminant calculation factor according to the relevant information, obtains the second pollution source information according to the biological contaminant calculation factor and transmits it to the communication module;

[0090] In step S4, the communication module also transmits the second pollution source information to the user end.

[0091] Optionally, in step S3, when the control module calculates the second pollution source information, the following formula is satisfied:

[0092]

[0093] Among them, β is the second pollution source information, B is the biological pollutant calculation factor, b ref is the selection threshold of the biological pollutant calculation factor. When β = 1, it does not belong to the source of life pollution, and when β = 2, it belongs to the source of life pollution;

[0094] Y is the total number of biological contamination detections, X is the total number of bacterial species during biological contamination detection, SL yx is the number of colonies of the xth bacterial species in the yth biological contamination detection, m sw is the sampling weight of soil for biological contamination detection, t y is the oscillation time during the yth biological contamination detection, a y is the oscillation acceleration during the yth biological contamination detection, temp y is the temperature of the diluent poured into the yth biological contamination test, xs y is the dilution degree of the yth biological contamination detection, sw is the biological contamination index, and sw has the following values: sw = 2 or sw = 3. When sw = 2, the straight-line distance between the center of the soil to be detected and the center of the designated place is less than 600 meters. When sw = 3, the straight-line distance between the center of the soil to be detected and the center of the designated place is greater than or equal to 600 meters. y is the straight-line distance between the soil sampling center point and the center point of the designated site during the yth biological contamination detection;

[0095] H is the total depth of the soil to be tested.

[0096] Specifically, the oscillation time during the yth biological contamination detection refers to the oscillation time for mixing when detecting the bacterial species; the designated place is a hospital and other related treatment places or a plantation and other places where fertilizers are used; since most biological contamination is affected by the discharge of biological sewage, the sampling depths of the soil corresponding to different detection times during biological contamination detection are inconsistent.

[0097] This embodiment solves the problem of low detection efficiency of traditional pollution source identification methods. Specifically, the method integrates the detection of production pollution sources and domestic pollution sources, which can improve the convenience of detection, and the relevant parameters obtained are convenient for relevant staff to query. In addition, the production pollution sources and domestic pollution sources are obtained by chemical analysis, and the identification results obtained by this method are more accurate.

[0098] And the control module calculates the first pollution source information, so it can be determined whether the pollution source of the soil is a production pollution source, and corresponding measures can be taken in time to reduce the degree of soil pollution.

[0099] In addition, the control module can also calculate the second pollution source information, so as to determine whether the pollution source of the soil is a living pollution source, and take corresponding measures in time to reduce the degree of soil pollution.

[0100] Embodiment 2: This embodiment includes all the contents of Embodiment 1, and provides a method for identifying environmental pollution sources based on chemical analysis. Figure 4 shown.

[0101] In step S1, the parameter analysis unit also analyzes and obtains information on the heavy metal content during the Zth chemical pollution detection and the number of colonies of the xth bacterial species during the Yth biological pollution detection, and transmits the information to the control module;

[0102] In step S2, the setting information module is also used to store information of the chemical pollution weight index, the chemical pollutant weight conversion index, the biological pollution weight index and the biological pollutant weight conversion index, and transmit it to the control module;

[0103] In step S3, the control module calculates the soil pollution factor according to the chemical pollution weight index, the chemical pollutant weight conversion index, the biological pollution weight index, the biological pollutant weight conversion index, the heavy metal content in each chemical pollution detection, and the colony count of the xth bacterial species in each biological pollution detection, and obtains the soil pollution degree information according to the soil pollution factor and transmits it to the communication module;

[0104] In step S4, the communication module also transmits the soil pollution degree information to the user end.

[0105] Optionally, in step S4, when the control module calculates the soil pollution factor, the following formula is satisfied:

[0106]

[0107] Where W is the soil pollution factor, is the heavy metal content in the Zth chemical pollution detection, q js is the chemical pollution weight index, ch js is the chemical pollutant weight conversion index, is the colony count of the xth bacterial species during the Yth biological contamination detection, q sw is the biological pollution weight index, ch sw Conversion index for biological contaminant weight.

[0108] Specifically, the chemical pollutant weight conversion index and the biological pollutant weight conversion index are set based on the consideration that when the sampling weight is greater than the conventionally set amount, a certain experimental error will occur, resulting in the calculated heavy metal content or colony count being smaller during chemical pollution detection. Therefore, setting the chemical pollutant weight conversion index and the biological pollutant weight conversion index is equivalent to a compensation value; the chemical pollutant weight conversion index is related to the sampling weight of the soil during chemical pollution detection. The larger the numerical value of the soil sampling weight during chemical pollution detection, the larger the numerical value of the corresponding chemical pollutant weight conversion index; the biological pollutant weight conversion index is related to the sampling weight of the soil during biological pollution detection. The larger the numerical value of the soil sampling weight during biological pollution detection, the larger the numerical value of the corresponding biological pollutant weight conversion index, and setting The proportional relationship between the chemical pollutant weight conversion index and the soil sampling weight during chemical pollution detection is the same as the proportional relationship between the biological pollutant weight conversion index and the soil sampling weight during biological pollution detection; taking the calculation of the chemical pollutant weight conversion index as an example, the value range of the chemical pollutant weight conversion index is greater than or equal to 1 and less than or equal to 3. When the soil sampling weight during chemical pollution detection is less than or equal to 10g, the corresponding chemical pollutant weight conversion index is 1. When the soil sampling weight during chemical pollution detection is greater than 10g and less than or equal to 30g, the corresponding chemical pollutant weight conversion index is 0.1 times the soil sampling weight during chemical pollution detection. When the soil sampling weight during chemical pollution detection is greater than 30g, the corresponding chemical pollutant weight conversion index is 3.

[0109] Optionally, in step S4, when the control module calculates the soil pollution degree information, the following formula is satisfied:

[0110]

[0111] Among them, γ is the soil pollution degree information, w a and w bis the selection threshold of different soil pollution factors. When γ=1, the soil is slightly polluted, when γ=2, the soil is moderately polluted, and when γ=3, the soil is heavily polluted.

[0112] Specifically, the sum of the chemical pollution weight index and the biological pollution weight index is equal to 1, and the chemical pollution weight index is set to be greater than the biological pollution weight index.

[0113] This embodiment solves the problem that traditional pollution source identification methods cannot accurately obtain pollution degree information. Specifically, this embodiment uses a control module to calculate soil pollution factors, obtains soil pollution degree information based on the soil pollution factors and transmits it to the communication module. Users can directly query the soil pollution degree information on the user side. The soil pollution degree information combines the two aspects of biological pollution and chemical pollution, so that the obtained data is more accurate and corresponding measures can be taken in time to reduce the degree of soil pollution.

[0114] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0115] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable ordinary technicians in the field to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made based on the essence of the content of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for identifying environmental pollution sources based on chemical analysis, characterized in that: The following steps are involved: S1: The detection module detects and obtains the total area of ​​the soil to be detected, the straight-line distance between the soil sampling center point and the center point of the factory during the z-th chemical pollution detection, the heavy metal pollution index, the detection time during the z-th chemical pollution detection, the relative humidity of the soil sampling during the z-th chemical pollution detection, and the heavy metal content during the z-th chemical pollution detection, and transmits the information to the control module; S2: The information module is set to store the information of the sampling weight of the soil during chemical pollution detection and transmit it to the control module; S3: The control module calculates the total number of chemical pollution detections according to the total area of ​​the soil to be detected, calculates the chemical pollutant calculation factor according to the relevant information, obtains the first pollution source information according to the chemical pollutant calculation factor and transmits it to the communication module; S4: The communication module transmits the first pollution source information to the user end; In step S3, when the control module calculates the first pollution source information, the following formula is satisfied: Among them, α is the first pollution source information, A is the chemical pollutant calculation factor, a ref is the selection threshold for calculating the factor of chemical pollutants. When α=1, it is not a productive pollution source, and when α=2, it is a productive pollution source; Z is the total number of chemical pollution detections, is the heavy metal content in the zth chemical pollution detection, m hx is the sampling weight of soil for chemical pollution detection, water z is the relative humidity of soil sampled during the zth chemical pollution detection, t z is the detection time of the zth chemical pollution detection, js is the heavy metal pollution index, js has the following values, js=3 or js=4, when js=3, the straight-line distance between the center point of the soil to be detected and the center point of the factory is less than 1 km, when js=4, the straight-line distance between the center point of the soil to be detected and the center point of the factory is greater than or equal to 1 km, d z is the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection; S is the total area of ​​soil to be tested.

2. The method for identifying environmental pollution sources based on chemical analysis according to claim 1, characterized in that: In step S1, the detection module includes a visual analysis submodule, a heavy metal content analysis submodule, a time analysis submodule and a humidity analysis submodule, and the visual analysis submodule, the heavy metal content analysis submodule, the time analysis submodule and the humidity analysis submodule are all communicatively connected with the control module; The visual analysis submodule analyzes and obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection, and the heavy metal pollution index information, and transmits it to the control module; The heavy metal content analysis submodule detects and obtains the information of heavy metal content during the z-th chemical pollution detection, and transmits it to the control module; The time analysis submodule obtains information about the detection time of the zth chemical pollution detection by statistics and transmits it to the control module; The humidity analysis submodule detects and obtains the information of the relative humidity of the soil sampled during the zth chemical pollution detection, and transmits it to the control module.

3. The method for identifying environmental pollution sources based on chemical analysis according to claim 2, characterized in that: In step S1, the visual analysis submodule includes a photographing unit, a target recognition unit, and a parameter analysis unit that are communicatively connected in sequence, and the parameter analysis unit is communicatively connected to the control module; The photographing unit is used to take photos and obtain initial photos, and transmit them to the target recognition unit; The target recognition unit recognizes the initial image according to the preset target and converts it into a recognition photo, and transmits it to the parameter analysis unit; The parameter analysis unit obtains the total area of ​​the soil to be tested, the straight-line distance between the soil sampling center point and the center point of the factory during the zth chemical pollution detection, and the heavy metal pollution index information based on the identification photo analysis, and transmits it to the control module.

4. The method for identifying environmental pollution sources based on chemical analysis according to claim 3, characterized in that: In step S1, the detection module further includes a strain analysis submodule, a temperature analysis submodule and a depth analysis submodule, and the strain analysis submodule, the temperature analysis submodule and the depth analysis submodule are all communicatively connected with the control module; The bacterial species analysis submodule detects and obtains the total number of bacterial species during biological contamination detection and the number of colonies of the xth bacterial species during the yth biological contamination detection, and transmits the information to the control module; The temperature analysis submodule detects and obtains information on the temperature of the diluted solution poured during the yth biological contamination detection, and transmits the information to the control module; The depth analysis submodule detects and obtains information about the total depth of the soil to be detected, and transmits the information to the control module; The parameter analysis unit also analyzes and obtains information on the biological contamination index and the straight-line distance between the sampling center point of the soil and the center point of the designated place during the yth biological contamination detection, and transmits the information to the control module; The time analysis submodule also obtains information about the oscillation time during the yth biological contamination detection and transmits it to the control module; In step S2, the setting information module is also used to store the information of the sampling weight of the soil during the biological contamination detection, the oscillation acceleration during the yth biological contamination detection, and the dilution degree during the yth biological contamination detection, and transmit it to the control module; In step S3, the control module also calculates the total number of biological contamination detections according to the total depth of the soil to be detected, calculates the biological contaminant calculation factor according to the relevant information, obtains the second pollution source information according to the biological contaminant calculation factor and transmits it to the communication module; In step S4, the communication module also transmits the second pollution source information to the user end.

5. The method for identifying environmental pollution sources based on chemical analysis according to claim 4, characterized in that: In step S3, when the control module calculates the second pollution source information, the following formula is satisfied: Among them, β is the second pollution source information, B is the biological pollutant calculation factor, b ref is the selection threshold of the biological pollutant calculation factor. When β = 1, it does not belong to the source of life pollution, and when β = 2, it belongs to the source of life pollution; Y is the total number of biological contamination detections, X is the total number of bacterial species during biological contamination detection, is the number of colonies of the xth bacterial species in the yth biological contamination detection, m sw is the sampling weight of soil for biological contamination detection, t y is the oscillation time during the yth biological contamination detection, a y is the oscillation acceleration during the yth biological contamination detection, temp y is the temperature of the diluent poured into the yth biological contamination test, xs y is the dilution degree of the yth biological contamination detection, sw is the biological contamination index, and sw has the following values: sw = 2 or sw = 3. When sw = 2, the straight-line distance between the center of the soil to be detected and the center of the designated place is less than 600 meters. When sw = 3, the straight-line distance between the center of the soil to be detected and the center of the designated place is greater than or equal to 600 meters. y is the straight-line distance between the soil sampling center point and the center point of the designated site during the yth biological contamination detection; H is the total depth of the soil to be tested.

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