A method for monitoring waste gas components for organic waste treatment

Abstract

The present invention relates to the technical field of waste gas component monitoring, specifically a waste gas component monitoring method for organic waste treatment, comprising the following steps: by continuously sampling waste gas, capturing waste gas samples within a target time period, analyzing the compound components in the samples, obtaining preliminary analysis results of waste gas compounds, setting a baseline of compound concentration and identifying a floating interval according to the preliminary analysis results of waste gas compounds, and obtaining waste gas compound baseline data. In the present invention, dynamic monitoring of waste gas samples is achieved through continuous waste gas sampling and analysis, and a compound concentration baseline is set to identify abnormal compounds. This monitoring method can deeply analyze the cause of the abnormality, quickly locate the problem, and adjust parameters such as the amount of input materials and the processing temperature to achieve rebalancing of waste gas components, continuously monitor changes in compound concentration to verify the adjustment effect, greatly improve waste gas treatment efficiency and reliability, effectively meet environmental protection standards, and reduce pollution risks.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas component monitoring, and in particular to a waste gas component monitoring method for organic waste treatment. Background Art

[0002] The field of exhaust gas composition monitoring technology involves the use of a variety of methods and equipment to analyze and evaluate the composition of gases emitted into the atmosphere. The technical field focuses on identifying and quantifying harmful gases emitted by industry, transportation and emissions, such as sulfur dioxide, carbon dioxide, nitrogen oxides and volatile organic compounds. The purpose of monitoring gases is to protect the environment, comply with environmental regulations and improve air quality. This field combines environmental science, analytical chemistry and engineering technology, and uses sensors, analytical instruments and computer models to collect and process gas samples to ensure the accuracy and reliability of data.

[0003] Among them, the exhaust gas composition monitoring method refers to the technology and procedures used to determine the composition and concentration of specific pollutants in the air or exhaust gas. The methods include real-time monitoring using chemical, physical or biological sensors, or detailed analysis in the laboratory after sampling. The main purpose of the exhaust gas composition monitoring method is to evaluate and control air pollution, protect public health, and assist enterprises and government agencies to comply with environmental protection standards and regulations. The monitoring method can not only provide accurate pollutant concentration data, but also help track pollution sources and evaluate the effectiveness of emission reduction measures.

[0004] Existing technologies mainly rely on single or periodic sampling and analysis, which cannot achieve continuous tracking of exhaust gas components, resulting in a lack of timeliness and continuity in data, making it difficult for the method to respond promptly to rapidly fluctuating exhaust gas components. Due to the low frequency of monitoring data updates, equipment performance problems and pollution source anomalies are difficult to identify and control at an early stage, resulting in an increased risk of pollutant concentration exceeding the standard. Existing technologies lack refined means for abnormal monitoring and cause analysis, and rely on empirical judgment or simple analysis, making it difficult to form effective feedback and optimization of equipment and treatment parameters. Parameter adjustments lack specificity, resulting in the effect after adjustment failing to meet expectations, affecting the overall performance of the exhaust gas treatment equipment. Due to the lag in data processing in existing methods, continuous equipment performance evaluation cannot be provided, which makes it difficult for exhaust gas treatment to maintain an efficient and stable treatment state in long-term operation, thereby increasing environmental compliance risks and treatment operating costs. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a method for monitoring waste gas components for organic waste treatment.

[0006] In order to achieve the above object, the present invention adopts the following technical solution: a method for monitoring waste gas components for organic waste treatment, comprising the following steps: S1: by continuously sampling the exhaust gas, capturing the exhaust gas samples within the target time period, analyzing the compound components in the samples, obtaining the preliminary analysis results of the exhaust gas compounds, setting the baseline of the compound concentration and identifying the floating interval according to the preliminary analysis results of the exhaust gas compounds, and obtaining the baseline data of the exhaust gas compounds; S2: Based on the exhaust gas compound baseline data, monitor the compound components in the exhaust gas sample that deviate from the normal fluctuation range, obtain compound abnormal monitoring results, and based on the abnormal monitoring results, evaluate the treatment conditions and equipment performance issues that affect the exhaust gas composition, and establish abnormal cause analysis results; S3: using the abnormal cause analysis result, adjusting the working parameters of the exhaust gas treatment, including the amount of input materials and the treatment temperature, correcting the identified problems and rebalancing the exhaust gas composition, obtaining adjusted exhaust gas parameters, applying the adjusted exhaust gas parameters to the exhaust gas treatment equipment, verifying the adjustment effect by monitoring the change of compound concentration, and obtaining the compound concentration adjustment result; S4: Re-evaluate the performance of the exhaust gas treatment equipment according to the compound concentration adjustment result, evaluate the exhaust gas treatment performance by comparing the compound composition data before and after the adjustment, perform exhaust gas monitoring and adjustment operations, adjust the treatment parameters, and generate exhaust gas monitoring strategy adjustment results.

[0007] As a further solution of the present invention, the steps for obtaining the preliminary analysis results of the exhaust gas compounds are specifically as follows: S111: extracting a sequence of initial concentration values ​​of compounds in the sample by continuous sampling of the exhaust gas, screening the initial concentration value of each compound, classifying the initial concentration values ​​of the differentiated compounds in each time period, and generating a set of initial concentration sequences of compounds; S112: Analyze the change range of the compound concentration according to the value change in the initial concentration sequence of the compound, and determine the concentration fluctuation in the sample. According to the concentration change in each time period, the formula is used: ; The compound concentration fluctuation value is calculated, where Indicates the compound concentration fluctuation value, is the number of observed samples, For the The compound concentration of each sample, is the mean concentration of the compound, is the volatility weight coefficient of the compound; S113: Using the fluctuation data in the compound concentration fluctuation value, a fluctuation threshold is set, and by comparing the fluctuation value with the threshold, the fluctuation of the compound is determined, and the compounds whose fluctuation exceeds the threshold are screened to obtain a preliminary analysis result of the exhaust gas compound.

[0008] As a further solution of the present invention, the steps for obtaining the exhaust gas compound baseline data are specifically as follows: S121: According to the preliminary analysis results of the exhaust gas compounds, representative concentration value sequences of the compounds are screened, and concentration values ​​in each time period are extracted according to the concentration changes of the compounds in the differentiated time periods, and the concentration value sequence of each compound is averaged to generate a concentration baseline of the compound; S122: Based on the concentration baseline of the compound, identify the fluctuation of the concentration value of each time period relative to the baseline, calculate the deviation value of each concentration value from the baseline and apply a weight, using the formula: ; Get the floating amplitude data of the compound, where Indicates the floating range data of the compound, For the The concentration value of the time period, represents the concentration baseline value of the compound, and is the weight coefficient; S123: According to the floating amplitude data of the compound, the upper and lower limits of the floating range are set, the fluctuation data exceeding the upper and lower limits are eliminated, and the floating value is smoothed to obtain the exhaust gas compound baseline data.

[0009] As a further solution of the present invention, the step of obtaining the abnormal monitoring result is specifically: S211: extracting a compound concentration value sequence for each sampled exhaust gas sample according to the exhaust gas compound baseline data, adjusting the difference between the current concentration value of each compound and the baseline, and forming a deviation value set; S212: Based on the deviation value set, screen compounds that deviate from the baseline using the formula: ; The magnitude and squared deviation of compound deviations are weighted to generate a compound deviation set, where represents the deviation value of the compound, is the current concentration value of the compound, is the baseline value, and is the corresponding weight coefficient; S213: Based on the compound deviation set, the compounds whose deviation exceeds a set threshold are marked as abnormal components to obtain abnormal monitoring results.

[0010] As a further solution of the present invention, the step of obtaining the abnormal cause analysis result is specifically: S221: Based on the abnormal monitoring results, extract parameters related to the exhaust gas treatment conditions and equipment performance through the concentration changes of the compounds in the exhaust gas components, monitor the key parameters of the treatment temperature, pressure, and flow rate, and normalize the data in combination with the stability of the equipment operation and the maintenance cycle data to establish a treatment condition parameter set; S222: According to the processing condition parameter set, the change of each parameter and the fluctuation influence of the equipment performance are analyzed to determine the influence degree on the exhaust gas composition, and the deviation of temperature, pressure and flow rate under the differentiated processing conditions is analyzed, using the formula: ; Calculate the impact value of the exhaust gas composition, where: Indicates the influence value of exhaust gas composition, is the temperature, For pressure, is the flow rate, Indicates the stability of equipment operation. is the compound concentration deviation, and is the weight coefficient; S223: by using the influence value set of the exhaust gas composition, determining whether each influence value exceeds a set abnormal threshold, marking the parameter whose influence value exceeds the threshold as an abnormal cause, and generating an abnormal cause analysis result.

[0011] As a further solution of the present invention, the step of obtaining the adjusted exhaust gas parameters is specifically as follows: S311: Based on the abnormal cause analysis result, extract key parameters in waste gas treatment, analyze the deviation between input material quantity and real-time waste gas concentration, organize the deviation data, and generate a parameter set of materials and operating conditions; S312: Based on the parameter set of the material and operating conditions, the combination of the input material amount and the processing temperature under the target conditions is evaluated, and the adjustment effect of the differentiated combination on the balance of exhaust gas components is analyzed, using the formula: ; The exhaust gas balance parameters are calculated, where: is the exhaust gas balance parameter, is the input material quantity, For processing temperature, is the exhaust gas flow rate, and is the corresponding weight coefficient, Indicates the current exhaust gas concentration deviation. is the base concentration value, is the material reaction efficiency, and is the balance coefficient; S313: Check whether the exhaust gas balance parameters are within the established target range, evaluate the gap between the exhaust gas parameters and the target range, summarize the differentiation results between the real-time value and the target parameter, screen the exhaust gas parameters that meet the target range, record the parameters that meet the target range, and obtain the adjusted exhaust gas parameters.

[0012] As a further solution of the present invention, the step of obtaining the compound concentration adjustment result is specifically: S321: transmitting the adjusted exhaust gas parameters to the exhaust gas treatment equipment, setting the operating conditions of the treatment equipment, recording the concentration of the compound under the initial conditions, and continuously collecting and time-stamping the concentration of each compound during the operation of the equipment to obtain initial compound concentration data; S322: Based on the initial compound concentration data, the concentration difference at consecutive time points is adjusted, and the recorded time series data is called, using the formula: ; The compound concentration adjustment value is calculated, where: is the compound concentration adjustment value, Indicates the operating pressure of the equipment. is the exhaust gas flow rate, Adjust the weights for temperature, is the current exhaust gas treatment temperature, is the target concentration reference value; S323: Based on the compound concentration adjustment value, the concentration adjustment value at each time point is compared with the target concentration reference value, and the concentration adjustment situation of the compound under the target conditions is sorted out by recording the deviation and analyzing the concentration change trend under the differentiated parameters to obtain the compound concentration adjustment result.

[0013] As a further solution of the present invention, the steps for obtaining the exhaust gas monitoring strategy adjustment result are specifically as follows: S411: Based on the compound concentration adjustment result, the original concentration data and current treatment parameters of the exhaust gas treatment equipment are called, and the difference of the component concentration is calculated by extracting the comparison value of the key compound concentration before and after the adjustment to generate the initial concentration difference of the compound; S412: Based on the initial concentration difference of the compound, the weight parameter and the temperature adjustment parameter are adjusted to evaluate the concentration difference, and the concentration difference before and after the adjustment of each compound is corrected by setting a differentiated weight factor and an adjustment coefficient, using the formula: ; The corrected concentration difference is obtained, where represents the corrected concentration difference, is the original concentration value before adjustment, Adjust the weight parameters for the target device. is the temperature effect adjustment factor; S413: Compare the corrected concentration difference with the equipment performance evaluation standard, call the adjusted concentration correction result, evaluate the applicability of the current exhaust gas treatment parameters and the rationality of the monitoring strategy, and generate the exhaust gas monitoring strategy adjustment result.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are: In the present invention, by means of continuous sampling of waste gas and analysis of compound components, dynamic monitoring of waste gas samples within a specific time period is achieved, and the baseline and floating range of compound concentrations are set in combination with baseline data to identify abnormal compounds that deviate from the normal fluctuation range. This can not only effectively evaluate the potential problems of equipment performance and operating conditions in the waste gas treatment process, but also conduct in-depth analysis of the causes of abnormal components. This precise abnormal cause tracing method enables the waste gas treatment system to quickly locate the source of the problem and take targeted adjustment measures. By adjusting parameters such as the input material amount and the treatment temperature, the waste gas composition is rebalanced to ensure the recovery of the equipment treatment capacity. The adjustment effect is verified by continuously monitoring the change in compound concentration, realizing dynamic optimization of the waste gas treatment system, and comparing the waste gas data before and after the adjustment, thereby realizing a comprehensive evaluation of the method performance. It can not only quickly respond to and accurately adjust abnormal compounds, but also realize continuous optimization of the treatment equipment performance, greatly improve the waste gas treatment efficiency and the reliability of quality control, help to more efficiently meet environmental protection standards, reduce pollution risks, and enhance the adaptability of the method to changes in the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main steps of the present invention; Figure 2 A flow chart showing the preliminary analysis results of exhaust gas compounds in the present invention; Figure 3 A flow chart showing the baseline data of exhaust gas compounds in the present invention; Figure 4 It is a flow chart of abnormal monitoring results in the present invention; Figure 5 It is a flow chart of the abnormal cause analysis result in the present invention; Figure 6 is a flow chart of the exhaust gas parameters adjusted in the present invention; Figure 7 A flow chart showing the results of compound concentration adjustment in the present invention; Figure 8 It is a flow chart of the exhaust gas monitoring strategy adjustment results in the present invention. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0017] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0018] Example:

[0019] See also Figure 1 The present invention provides a technical solution: a method for monitoring waste gas components for organic waste treatment, comprising the following steps: S1: Through continuous sampling of exhaust gas, capture exhaust gas samples within the target time period, analyze the compound components in the samples, obtain preliminary analysis results of exhaust gas compounds, set the baseline of compound concentration and identify the floating range according to the preliminary analysis results of exhaust gas compounds, and obtain baseline data of exhaust gas compounds; S2: Based on the exhaust gas compound baseline data, monitor the compound components in the exhaust gas samples that deviate from the normal fluctuation range, obtain the abnormal compound monitoring results, evaluate the treatment conditions and equipment performance issues that affect the exhaust gas composition based on the abnormal monitoring results, and establish the abnormal cause analysis results; S3: Using the abnormal cause analysis results, adjust the working parameters of the exhaust gas treatment, including the amount of input materials and the treatment temperature, correct the identified problems and rebalance the exhaust gas composition, obtain the adjusted exhaust gas parameters, apply the adjusted exhaust gas parameters to the exhaust gas treatment equipment, verify the adjustment effect by monitoring the changes in compound concentration, and obtain the compound concentration adjustment results; S4: Re-evaluate the performance of the waste gas treatment equipment based on the compound concentration adjustment results, conduct waste gas treatment performance evaluation by comparing the compound composition data before and after the adjustment, perform waste gas monitoring and adjustment operations, adjust the treatment parameters, and generate waste gas monitoring strategy adjustment results.

[0020] The preliminary analysis results of waste gas compounds include the types of compounds, detected concentrations, and concentration distribution range. The baseline data of waste gas compounds include the concentration baseline, stability range, and concentration fluctuation frequency. The abnormal compound monitoring results include the types of high-grade compounds, the types of low-grade compounds, and the degree of concentration deviation. The abnormal cause analysis results include operating errors, equipment failures, and environmental changes. The adjusted waste gas parameters include the material adjustment amount, the treatment temperature adjustment value, and the compound equilibrium state. The compound concentration adjustment results include the concentration change trend, the types of compounds that reach a new equilibrium, and the concentration adjustment verification. The waste gas monitoring strategy adjustment results include monitoring frequency adjustment, strategy optimization measures, and treatment efficiency evaluation.

[0021] See also Figure 2 , the specific steps for obtaining the preliminary analysis results of exhaust gas compounds are: S111: extracting a sequence of initial concentration values ​​of compounds in the sample by continuous sampling of the exhaust gas, screening the initial concentration value of each compound, classifying the initial concentration values ​​of the differentiated compounds in each time period, and generating a set of initial concentration sequences of compounds; Based on the exhaust gas samples of each time period obtained by continuous exhaust gas component sampling, the initial concentration value sequence of the compound is extracted for each sample, the initial concentration values ​​of different compounds in each time period are classified according to the compound type, and the concentration value of each compound in the sample is extracted. The distribution and numerical fluctuation of each compound in the time series are analyzed to extract the concentration trend of the compound in each time period, and the extracted initial concentration values ​​are grouped to ensure the integrity of each compound classification sequence and that the initial concentration value sequence of each compound conforms to the logical order of the time period, so as to obtain the initial concentration sequence set of the compound in each time period.

[0022] S112: Analyze the change range of compound concentration according to the value change in the compound initial concentration sequence set, and determine the concentration fluctuation in the sample. According to the concentration change in each time period, the formula is used: ; The compound concentration fluctuation value is calculated, where Indicates the compound concentration fluctuation value, is the number of observed samples, For the The compound concentration of each sample, is the mean concentration of the compound, is the volatility weight coefficient of the compound; The benefit of the formula is that by adding the volatility weight factor The absolute value cube operation enhances the sensitivity to the concentration values ​​with large fluctuations and improves the ability to capture the concentration fluctuation characteristics; set up is the number of observed samples, and the initial concentration of the compound is , , , , , and the mean compound concentration , volatility weight coefficient , by substituting the specific values ​​into the formula, the calculation steps are as follows: Calculate the cube of the absolute value of the difference between each sample concentration value and the mean: , , , , ; Sum and multiply by the weight: ; Divide by the number of samples and take the square root: ; This result shows that the obtained Indicates the fluctuation value of the compound concentration, which is used to further determine the significant change characteristics of the compound and then generate a concentration fluctuation result set .

[0023] S113: using the fluctuation data in the compound concentration fluctuation value, setting a fluctuation threshold, judging the fluctuation of the compound by comparing the fluctuation value with the threshold, screening the compound whose fluctuation exceeds the threshold, and obtaining a preliminary analysis result of the exhaust gas compound; Using the fluctuation data in the concentration fluctuation value set, a fluctuation threshold is set based on the concentration fluctuation value data of each compound. The threshold is defined as the basis for judging whether the compound concentration fluctuates significantly. The set threshold is compared with the fluctuation data of the actual compound one by one to determine whether each compound has a fluctuation exceeding the set threshold. By analyzing the comparison between the fluctuation value and the threshold, the compounds whose fluctuation exceeds the threshold are screened, and finally the preliminary analysis results of the exhaust gas compounds are obtained.

[0024] See also Figure 3 , the specific steps for obtaining the exhaust gas compound baseline data are as follows: S121: Based on the preliminary analysis results of the exhaust gas compounds, representative concentration value sequences of the compounds are screened, and concentration values ​​in each time period are extracted according to the concentration changes of the compounds in the differentiated time periods, and the concentration value sequence of each compound is averaged to generate a concentration baseline of the compound; According to the preliminary analysis results of the exhaust gas compounds, the representative concentration value sequence of the compounds is screened. Based on the concentration changes of the compounds in different time periods, the concentration values ​​of each compound in each time period are extracted one by one, and classified according to the specific time period. After the time period concentration data of each compound is summarized, the average concentration value is further calculated. Through this refined extraction and classification method, the concentration characteristics of each compound in different time periods can be captured more accurately. At the same time, abnormal values ​​or outliers are eliminated in data processing to ensure the representativeness and accuracy of the data. All concentration values ​​are then summarized according to time periods to ensure that the concentration changes of each compound are taken into consideration. Finally, the average concentration value is calculated in all time periods and defined as the concentration baseline. This baseline will be used as a reference for the subsequent floating interval identification, and then it can be accurately judged whether the concentration data of each time period deviates from the baseline, completing the concentration baseline generation process for each compound, laying the foundation for the judgment of the floating interval, and generating the concentration baseline for each compound.

[0025] S122: Based on the concentration baseline of the compound, identify the fluctuation of the concentration value of each time period relative to the baseline, calculate the deviation value of each concentration value from the baseline and apply a weight, using the formula: ; Get the floating amplitude data of the compound, where Indicates the floating range data of the compound, For the The concentration value of the time period, represents the concentration baseline value of the compound, and is the weight coefficient; The benefit of the formula is that by introducing the weight coefficient and , combining the square of the concentration deviation with the root of the reference value, improves the sensitivity to the fluctuation range and weights the larger deviations; Set the sample data to , baseline , weight coefficient , , the calculation process is as follows: Calculate the square of the deviation: ; Bias multiplied by weight : ; Weighting of the root part of the benchmark value: ; Calculate the floating range: ; This result shows that the The value represents the concentration fluctuation range of the compound. This value can be used to quantify the fluctuation of the compound concentration in each time period, providing a quantitative basis for the subsequent steps of determining the upper and lower limits of the floating range, which in turn helps to eliminate abnormal fluctuations in the subsequent process, ensure the stability of the floating data, and generate the floating range data of the compound.

[0026] S123: according to the floating amplitude data of the compound, set the upper and lower limits of the floating range, remove the fluctuation data exceeding the upper and lower limits, and smooth the floating value to obtain the baseline data of the exhaust gas compound; The upper and lower limits of the floating range are set based on the concentration fluctuations in each time period in the floating amplitude data. First, according to the floating amplitude statistical data of each compound, the reasonable upper and lower limits that conform to statistical laws are determined. Then, the fluctuation values ​​of each time period are screened one by one to determine whether they exceed the set upper and lower limits. The values ​​within the upper and lower limits are taken as the normal floating range, and the fluctuation data beyond the range are eliminated. While eliminating the abnormal fluctuation data, the fluctuation data that meets the upper and lower limit standards is maintained. The smoothness and stability of the data are ensured in the process. All data are judged and screened by the upper and lower limits to eliminate abnormal concentration fluctuations and form the baseline data of waste gas compounds, so as to further study the long-term trend and short-term fluctuation characteristics of the waste gas components.

[0027] See also Figure 4 , the specific steps for obtaining abnormal monitoring results are: S211: extracting a compound concentration value sequence for each sampled exhaust gas sample according to the exhaust gas compound baseline data, adjusting the difference between the current concentration value of each compound and the baseline, and forming a deviation value set; According to the exhaust gas compound baseline data, the compound concentration value sequence is extracted for each sampled exhaust gas sample, and the current concentration value of each compound is compared with the baseline one by one. By calling the baseline data, the difference between the current concentration value and the baseline is calculated, so as to obtain the degree of deviation of each compound. The difference data is recorded one by one and statistically analyzed and classified. According to the size of the deviation value, the difference is further divided into different deviation levels. At the same time, the compounds with significant deviation values ​​are marked as early warning signals, and the difference sequence of each compound in each time period is established, so as to form a preliminary analysis of the deviation trend, and further statistically analyze the deviation data of all compounds, and summarize them into a final deviation value set, which provides a basis for the next step of judging significant deviation.

[0028] S212: Based on the deviation value set, screen the compounds that deviate from the baseline using the formula: ; The magnitude and squared deviation of compound deviations are weighted to generate a compound deviation set, where represents the deviation value of the compound, is the current concentration value of the compound, is the baseline value, and is the corresponding weight coefficient; The benefit of the formula is that by combining the absolute difference of the deviation value with the squared deviation and adjusting each value with different weights, the formula can take into account the characteristics of small and large deviations, so that it can more comprehensively reflect the degree of deviation; Set the sample data to the current compound concentration value , baseline concentration value , deviation amplitude weight , deviation from squared weight , the calculation process is as follows: Calculate the square root of the absolute deviation and multiply by the weight: ; Calculate the squared deviation and divide by the squared deviation weight and the benchmark value: ; Combine the above two values ​​and sum them up: ; This result shows that the The value indicates the degree to which the compound currently deviates from the baseline, which is used to further analyze whether it exceeds the set threshold and determine abnormal conditions, generating a deviation set , which will be used to identify unusual compound compositions and provide early warning signals for exhaust gas monitoring systems.

[0029] S213: According to the compound deviation set, the compound whose deviation exceeds the set threshold is marked as an abnormal component to obtain an abnormal monitoring result; The upper and lower limit thresholds of the deviation are set based on the calculation results of the deviation set. The deviation data of each compound is called and compared one by one to see if they exceed the upper and lower limits. The deviation data exceeding the upper and lower limits are eliminated to make the deviation data more accurate and stable to reduce the impact of errors. After the screening is completed, only the deviation data within the normal range is retained. The eliminated data set is used for further analysis to mark the compound components with significant deviations, and abnormal marks are generated for compounds with obvious deviations. The compounds are recorded in the abnormal monitoring results to provide early warning of abnormal fluctuations, and are ultimately used for exhaust emission monitoring and component abnormality management.

[0030] See also Figure 5 , the specific steps for obtaining the abnormal cause analysis results are: S221: Based on the abnormal monitoring results, extract the parameters related to the waste gas treatment conditions and equipment performance through the concentration changes of the compounds in the waste gas components, monitor the key parameters of the treatment temperature, pressure, and flow rate, and normalize the data in combination with the stability of the equipment operation and the maintenance cycle data to establish a set of treatment condition parameters; Based on the concentration changes of each compound in the exhaust gas components, specific parameters related to the exhaust gas treatment conditions and equipment performance are extracted. During the monitoring process, key influencing factors such as treatment temperature, pressure, flow rate, etc. are obtained respectively. Combined with the stability data of equipment operation and maintenance cycle information, the data is preprocessed, including normalization to unify the magnitude of various parameters to ensure that parameters from different sources are directly comparable. At the same time, data that deviates significantly from the normal range are eliminated to eliminate outliers. The normalized data is then classified, and a specific category set is established according to different operating conditions. The data characteristics under each category are further refined, and finally integrated to form a complete set of treatment condition parameters.

[0031] S222: Based on the set of processing condition parameters, analyze the changes in each parameter and the impact of fluctuations in equipment performance, determine the degree of impact on the exhaust gas composition, analyze the deviations of temperature, pressure, and flow rate under differentiated processing conditions, and use the formula: ; Calculate the impact value of the exhaust gas composition, where: Indicates the influence value of exhaust gas composition, is the temperature, For pressure, is the flow rate, Indicates the stability of equipment operation. is the compound concentration deviation, and is the weight coefficient; The benefit of the formula is that it enables a comprehensive assessment of the treatment conditions through the combination of different parameters, taking into account the impact of equipment operation and compound deviation, thereby ensuring a more comprehensive exhaust gas composition impact value; Sample data set to process temperature ,pressure , flow rate , equipment stability , compound concentration deviation , weight , and the stability factor , the calculation process is as follows: Calculate the product of temperature and pressure and divide by the flow rate: ; Calculate the stability and the product of the square of the concentration deviation divided by the sum of the weight and the stability factor: ; Combine the above two values ​​and sum them up: ; This result shows that the calculated The value indicates the degree of influence of exhaust gas treatment conditions on the composition of components, which can be further used to determine whether there are abnormal conditions and analyze equipment performance problems.

[0032] S223: judging whether each impact value exceeds a set abnormal threshold through a set of impact values ​​of exhaust gas components, marking the parameter whose impact value exceeds the threshold as an abnormal cause, and generating an abnormal cause analysis result; Through the set of influence values ​​of the exhaust gas composition, compare whether each influence value exceeds the set abnormal threshold, call the influence value of each parameter and compare it with the set threshold one by one, mark the parameters exceeding the threshold during the comparison process, and mark the parameters whose influence values ​​obviously exceed the standard as abnormal causes. At the same time, establish an abnormal feature list for the parameters exceeding the threshold to facilitate abnormal tracking in subsequent analysis, and finally obtain the abnormal cause during the period of time or under specific operating conditions, and summarize the abnormal cause analysis results.

[0033] See also Figure 6 , the specific steps for obtaining the adjusted exhaust gas parameters are: S311: Based on the abnormal cause analysis results, extract key parameters in waste gas treatment, analyze the deviation between input material quantity and real-time waste gas concentration, organize the deviation data, and generate a parameter set of materials and operating conditions; Based on the results of the abnormal cause analysis, we first evaluate the fluctuations in the amount of input materials and exhaust gas composition under different treatment conditions. By monitoring the treatment temperature, exhaust gas flow rate and the proportion of specific compound components, we gradually adjust the amount of input materials, and record the values ​​of treatment temperature and exhaust gas composition during actual operation. By continuously monitoring the data performance of each treatment condition at different time points, we analyze the specific effects of the amount of input materials and treatment temperature on the exhaust gas equilibrium state. In order to accurately set the material input and temperature control parameters, we construct a correlation matrix between the treatment conditions and the exhaust gas composition fluctuations. We further eliminate the record items that do not meet the target conditions, and obtain the exhaust gas composition characteristic data under the treatment conditions. By comparing and sorting out the treatment condition parameters, we form a parameter set of material and operating conditions to provide basic data for further adjustments.

[0034] S312: Based on the parameter set of materials and operating conditions, the combination of input material quantity and processing temperature under target conditions is evaluated, and the adjustment effect of the differentiated combination on the balance of exhaust gas components is analyzed, using the formula: ; The exhaust gas balance parameters are calculated, where: is the exhaust gas balance parameter, is the input material quantity, For processing temperature, is the exhaust gas flow rate, and is the corresponding weight coefficient, Indicates the current exhaust gas concentration deviation. is the base concentration value, is the material reaction efficiency, and is the balance coefficient; The benefit of the formula is that by introducing the product term of material quantity and treatment temperature and combining multiple factors such as exhaust gas concentration deviation, reference value, balance coefficient, etc., the result can more accurately reflect the equilibrium state of exhaust gas components under specific conditions; Set the input material quantity , processing temperature , exhaust gas flow , weight , weight , current exhaust gas concentration deviation , reference concentration value , material reaction efficiency , balance coefficient and ; calculate ; calculate ; calculate ; Adding all the parts together gives ; The results show that The value can be used to determine whether the adjusted exhaust gas parameters meet the target balance state, so that the value can be further used to verify whether the adjusted exhaust gas composition meets the preset requirements.

[0035] S313: Check whether the exhaust gas balance parameters are within the established target range, evaluate the gap between the exhaust gas parameters and the target range, summarize the difference between the real-time value and the target parameter, screen the exhaust gas parameters that meet the target range, record the parameters that meet the target range, and obtain the adjusted exhaust gas parameters; Through the exhaust gas balance parameters, the key parameters in the exhaust gas treatment are further analyzed in detail. By comparing the parameters in the set with the target values ​​one by one, the values ​​of each parameter that deviate from the target range are identified, and the parameters with obvious differences are recorded and necessary fine-tuning is performed. The adjusted parameters are gradually tested and recorded to verify the applicability and consistency of the adjustments. Through each round of parameter adjustment under continuous monitoring, the material input amount and temperature setting value are optimized to ensure that the parameters after each adjustment meet the preset standards. Finally, the parameter confirmation is completed under the stable exhaust gas composition performance, and the adjusted exhaust gas parameters are generated and recorded.

[0036] See also Figure 7 , the steps for obtaining the compound concentration adjustment result are as follows: S321: transmitting the adjusted exhaust gas parameters to the exhaust gas treatment equipment, setting the operating conditions of the treatment equipment, recording the concentration of the compound under the initial conditions, and continuously collecting and time-stamping the concentration of each compound during the operation of the equipment to obtain initial compound concentration data; The adjusted exhaust gas parameters are transmitted to the exhaust gas treatment equipment, and the operating conditions of the equipment are set to ensure that the changes in compound concentrations are monitored in real time. The concentration values ​​of each compound during the treatment process are collected through the sensor system. Each collected value is accompanied by an accurate time stamp to ensure that the data can be called by the subsequent analysis module in chronological order. When calling, the analysis module will gradually compare the initial concentration value with the subsequent concentration according to the time series, thereby forming a time series containing concentration changes. In this process, multiple parameters such as temperature, pressure, flow, etc. of the equipment will also be called so that the subsequent analysis module can perform correlation analysis on the data and generate initial compound concentration data.

[0037] S322: Based on the initial compound concentration data, adjust the concentration difference at consecutive time points, call the recorded time series data, and use the formula: ; The compound concentration adjustment value is calculated, where: is the compound concentration adjustment value, Indicates the operating pressure of the equipment. is the exhaust gas flow rate, Adjust the weights for temperature, is the current exhaust gas treatment temperature, is the target concentration reference value; The benefit of the formula is that by introducing the product of temperature and flow parameters and the temperature adjustment weight, the concentration value can be precisely calculated, while the combined effects of pressure, flow and temperature are taken into account, thus improving the accuracy of concentration adjustment. Set the parameter values ​​as follows: Equipment operating pressure (obtained through real-time monitoring of equipment sensors), exhaust gas flow (Based on real-time data collection by flow meter), temperature adjustment weight (Adjusted based on historical data of the processing equipment), current processing temperature (Real-time acquisition through temperature sensor), target concentration reference value (fixed value set by exhaust gas treatment requirements), substitute it into the calculation steps as follows:

[0038]

[0039] The result shows that under the current set conditions, the compound concentration adjustment value is 47.5. This concentration result will be used as the concentration adjustment benchmark to analyze the concentration changes at each time point during the adjustment process.

[0040] S323: Based on the compound concentration adjustment value, the concentration adjustment value at each time point is compared with the target concentration reference value, and the concentration adjustment situation of the compound under the target condition is sorted out by recording the deviation and analyzing the concentration change trend under the differential parameters to obtain the compound concentration adjustment result; Based on the compound concentration adjustment value, the adjusted compound concentration is recorded at each time point. By comparing the concentration value at each time point with the benchmark concentration, a deviation value sequence at each time point can be established, and the concentration change trend of each compound under specific conditions can be further analyzed. On the basis of recording the deviation from the benchmark, the actual influence of dynamic factors such as temperature and flow on the concentration of each compound is referred to, so as to more accurately identify the influence of each factor on the concentration change at different time points and generate the compound concentration adjustment result.

[0041] See also Figure 8 , the specific steps for obtaining the exhaust gas monitoring strategy adjustment results are: S411: Based on the compound concentration adjustment result, the original concentration data and current treatment parameters of the exhaust gas treatment equipment are called, and the difference of the component concentration is calculated by extracting the comparison value of the key compound concentration before and after the adjustment to generate the initial concentration difference of the compound; Based on the compound concentration adjustment results, the exhaust gas treatment parameters and historical concentration records currently running in the equipment are extracted, the relationship between these concentration records and the current operating parameters is analyzed, and the adjusted compound concentration is used as input. The input conditions and treatment results of the current equipment are compared, and the incremental changes in the concentration data are calculated. The main compound concentration difference values ​​are extracted, and the concentration differences affected by different parameters are associated with the input materials, temperature and equipment operating efficiency. Each difference value is used to identify the specific concentration change point in the treatment system, and then a concentration difference analysis table for each compound is established. By systematically organizing and counting the main operating data of the equipment, the treatment parameters and adjusted operating performance of each compound are evaluated, and a concentration difference value table for the main compounds is obtained.

[0042] S412: Based on the initial concentration difference of the compound, the weight parameter and the temperature adjustment parameter are adjusted to evaluate the concentration difference. By setting the differentiated weight factor and the adjustment coefficient, the concentration difference before and after the adjustment of each compound is corrected using the formula: ; The corrected concentration difference is obtained, where represents the corrected concentration difference, is the original concentration value before adjustment, Adjust the weight parameters for the target device. is the temperature effect adjustment factor; The benefit of the formula is that it can comprehensively calculate the concentration difference of each compound by introducing the parameters of concentration, weight and temperature, thus directly reflecting the changes of the equipment under different adjustment conditions; Assume that the concentration of compound A before adjustment in the existing exhaust gas components is ppm, adjust the parameters according to the weights in the device operating instructions , temperature adjustment parameters , substitute into the formula to calculate the corrected concentration difference value of compound A:

[0043] The results showed that the concentration correction difference of compound A under the current adjustment conditions was 6.8 ppm, which provided an accurate concentration reference for subsequent comparative efficacy evaluation.

[0044] S413: Compare the corrected concentration difference with the equipment performance evaluation standard, call the adjusted concentration correction result, evaluate the applicability of the current exhaust gas treatment parameters and the rationality of the monitoring strategy, and generate the exhaust gas monitoring strategy adjustment result; Combined with the corrected compound concentration difference, the concentration difference value is compared with the performance evaluation standard of the equipment to determine whether the parameter settings of the existing exhaust gas treatment equipment are reasonable, extract the main concentration change data in the evaluation, summarize the parameters affecting the concentration change, and organize the actual reactions of the parameters and the various exhaust gas components in the equipment operation. By recording the adjusted data values, the effectiveness of the exhaust gas monitoring strategy is analyzed, and the current parameters in the monitoring strategy are compared with the historical adjustment effects, and finally the exhaust gas monitoring strategy adjustment results are obtained.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A method for monitoring waste gas components for organic waste treatment, characterized in that: The following steps are involved: By continuously sampling the exhaust gas, capturing exhaust gas samples within a target time period, analyzing the compound components in the samples, obtaining preliminary analysis results of the exhaust gas compounds, setting a baseline of the compound concentration and identifying the floating interval based on the preliminary analysis results of the exhaust gas compounds, and obtaining baseline data of the exhaust gas compounds; Based on the exhaust gas compound baseline data, monitor the compound components in the exhaust gas sample that deviate from the normal fluctuation range to obtain abnormal compound monitoring results, and based on the abnormal monitoring results, evaluate the treatment conditions and equipment performance issues that affect the exhaust gas composition, and establish abnormal cause analysis results; Using the abnormal cause analysis results, adjusting the working parameters of the exhaust gas treatment, including the amount of input materials and the treatment temperature, correcting the identified problems and rebalancing the exhaust gas composition, obtaining adjusted exhaust gas parameters, applying the adjusted exhaust gas parameters to the exhaust gas treatment equipment, verifying the adjustment effect by monitoring the change of compound concentration, and obtaining the compound concentration adjustment result; According to the compound concentration adjustment result, the efficiency of the exhaust gas treatment equipment is re-evaluated, and the exhaust gas treatment efficiency is evaluated by comparing the compound composition data before and after the adjustment, and the exhaust gas monitoring and adjustment operations are performed, the treatment parameters are adjusted, and the exhaust gas monitoring strategy adjustment results are generated.

2. The method for monitoring waste gas components for organic waste treatment according to claim 1, characterized in that: The steps for obtaining the preliminary analysis results of the exhaust gas compounds are specifically as follows: By continuously sampling the exhaust gas, the initial concentration value sequence of the compounds in the sample is extracted, the initial concentration value of each compound is screened, the initial concentration values ​​of the differentiated compounds in each time period are classified, and a compound initial concentration sequence set is generated; According to the numerical changes in the initial concentration sequence of the compound, the change range of the compound concentration is analyzed, and the concentration fluctuation in the sample is determined. According to the concentration change in each time period, the formula is used: ； The compound concentration fluctuation value is calculated, where Indicates the compound concentration fluctuation value, is the number of observed samples, For the The compound concentration of each sample, is the mean concentration of the compound, is the volatility weight coefficient of the compound; The fluctuation data in the compound concentration fluctuation value is used to set a fluctuation threshold. The fluctuation value is compared with the threshold to determine the fluctuation of the compound. Compounds with fluctuations exceeding the threshold are screened to obtain preliminary analysis results of the exhaust gas compounds.

3. The method for monitoring waste gas components for organic waste treatment according to claim 2, characterized in that: The steps for obtaining the exhaust gas compound baseline data are specifically as follows: According to the preliminary analysis results of the exhaust gas compounds, representative concentration value sequences of the compounds are screened, and concentration values ​​in each time period are extracted according to the concentration changes of the compounds in the differentiated time periods, and the concentration value sequence of each compound is averaged to generate a concentration baseline of the compound; Based on the concentration baseline of the compound, the fluctuation of the concentration value of each time period relative to the baseline is identified, the deviation value of each concentration value from the baseline is calculated and weighted, using the formula: ； Get the floating amplitude data of the compound, where Indicates the floating range data of the compound, For the The concentration value of the time period, represents the concentration baseline value of the compound, and is the weight coefficient; According to the floating amplitude data of the compound, the upper and lower limits of the floating range are set, the fluctuation data exceeding the upper and lower limits are eliminated and the floating value is smoothed to obtain the exhaust compound baseline data.

4. The method for monitoring waste gas components for organic waste treatment according to claim 3, characterized in that: The steps for obtaining the abnormal monitoring results are specifically as follows: Extracting a compound concentration value sequence for each sampled exhaust gas sample according to the exhaust gas compound baseline data, adjusting the difference between the current concentration value of each compound and the baseline to form a deviation value set; Based on the deviation value set, the compounds deviating from the baseline are screened using the formula: ； The magnitude and squared deviation of compound deviations are weighted to generate a compound deviation set, where represents the deviation value of the compound, is the current concentration value of the compound, is the baseline value, and is the corresponding weight coefficient; According to the compound deviation set, the compounds whose deviation exceeds a set threshold are marked as abnormal components to obtain abnormal monitoring results.

5. The method for monitoring waste gas components for organic waste treatment according to claim 4, characterized in that: The steps for obtaining the abnormal cause analysis result are specifically as follows: Based on the abnormal monitoring results, the parameters related to the waste gas treatment conditions and equipment performance are extracted through the concentration changes of the compounds in the waste gas components, the key parameters of the treatment temperature, pressure, and flow rate are monitored, and the data is normalized in combination with the stability of the equipment operation and the maintenance cycle data to establish a set of treatment condition parameters; According to the processing condition parameter set, the change of each parameter and the fluctuation of equipment performance are analyzed to determine the degree of influence on the exhaust gas composition, and the deviation of temperature, pressure and flow rate under differentiated processing conditions are analyzed, using the formula: ； Calculate the impact value of the exhaust gas composition, where: Indicates the influence value of exhaust gas composition, is the temperature, For pressure, is the flow rate, Indicates the stability of equipment operation. is the compound concentration deviation, and is the weight coefficient; By using the influence value set of the exhaust gas composition, it is determined whether each influence value exceeds a set abnormal threshold, and the parameter whose influence value exceeds the threshold is marked as an abnormal cause, thereby generating an abnormal cause analysis result.

6. The method for monitoring waste gas components for organic waste treatment according to claim 5, characterized in that: The steps for obtaining the adjusted exhaust gas parameters are specifically as follows: Based on the abnormal cause analysis results, key parameters in waste gas treatment are extracted, deviations between input material quantity and real-time waste gas concentration are analyzed, deviation data are sorted, and parameter sets of materials and operating conditions are generated; According to the parameter set of the materials and operating conditions, the combination of input material quantity and treatment temperature under the target conditions is evaluated, and the adjustment effect of the differentiated combination on the balance of exhaust gas components is analyzed, using the formula: ； The exhaust gas balance parameters are calculated, where: is the exhaust gas balance parameter, is the input material quantity, For processing temperature, is the exhaust gas flow rate, and is the corresponding weight coefficient, Indicates the current exhaust gas concentration deviation. is the base concentration value, is the material reaction efficiency, and is the balance coefficient; Verify whether the exhaust gas balance parameters are within the established target range, evaluate the gap between the exhaust gas parameters and the target range, summarize the differentiated results between the real-time values ​​and the target parameters, screen the exhaust gas parameters that meet the target range, record the parameters that meet the target range, and obtain the adjusted exhaust gas parameters.

7. The method for monitoring waste gas components for organic waste treatment according to claim 6, characterized in that: The steps for obtaining the compound concentration adjustment result are specifically as follows: Transmitting the adjusted exhaust gas parameters to the exhaust gas treatment equipment, setting the operating conditions of the treatment equipment, recording the concentration of the compound under the initial conditions, and continuously collecting and time-stamping the concentration of each compound during the operation of the equipment to obtain initial compound concentration data; Based on the initial compound concentration data, the concentration differences at consecutive time points are adjusted and the recorded time series data are called using the formula: ； The compound concentration adjustment value is calculated, where: is the compound concentration adjustment value, Indicates the operating pressure of the equipment. is the exhaust gas flow rate, Adjust the weights for temperature, is the current exhaust gas treatment temperature, is the target concentration reference value; Based on the compound concentration adjustment value, the concentration adjustment value at each time point is compared with the target concentration reference value. By recording the deviation, analyzing the concentration change trend under the differentiated parameters, and sorting out the concentration adjustment of the compound under the target conditions, the compound concentration adjustment result is obtained.

8. The method for monitoring waste gas components for organic waste treatment according to claim 7, characterized in that: The steps for obtaining the exhaust gas monitoring strategy adjustment result are specifically as follows: Based on the compound concentration adjustment result, the original concentration data and current treatment parameters of the exhaust gas treatment equipment are called, and the difference in component concentration is calculated by extracting the comparison value of the key compound concentration before and after the adjustment to generate the initial concentration difference of the compound; Based on the initial concentration difference of the compound, the weight parameter and the temperature adjustment parameter are adjusted to evaluate the concentration difference. By setting the differentiated weight factor and the adjustment coefficient, the concentration difference before and after the adjustment of each compound is corrected using the formula: ； The corrected concentration difference is obtained, where represents the corrected concentration difference, is the original concentration value before adjustment, Adjust the weight parameters for the target device. is the temperature effect adjustment factor; The corrected concentration difference is compared with the equipment performance evaluation standard, the adjusted concentration correction result is called, the applicability of the current exhaust gas treatment parameters and the rationality of the monitoring strategy are evaluated, and the exhaust gas monitoring strategy adjustment result is generated.

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