CN115936492B - Automatic monitoring system for tail gas emission in chemical production - Google Patents
Automatic monitoring system for tail gas emission in chemical production Download PDFInfo
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Abstract
The invention discloses an automatic monitoring system for tail gas emission in chemical production, which belongs to the field of chemical industry and is used for solving the problem of inaccurate tail gas emission monitoring of chemical production enterprises caused by factors such as neglecting treatment measures, environmental purification and the like.
Description
Technical Field
The invention belongs to the field of chemical industry, relates to a tail gas emission monitoring technology, and in particular relates to an automatic monitoring system for tail gas emission in chemical production.
Background
Chemical industry is an abbreviation for "chemical process", "chemical industry", "chemical engineering", etc. All techniques for changing the composition, structure or synthesizing new substances by chemical methods belong to chemical production techniques, namely chemical processes, and the obtained products are called chemicals or chemical products. Initially, hand workshops were used to produce such products, which later evolved into factories, and gradually developed into a specific manufacturing industry, namely the chemical industry. Chemical engineering is a science for researching the commonality rule of the chemical product production process. The relationship between human beings and chemical industry is very close, and some chemical products play an epoch-making important role in human development history, and the production and application of the chemical products even represent a certain historical stage of human civilization.
In the prior art, the tail gas of chemical production enterprises is limited to pollutants per se, and factors such as treatment measures, environmental purification and the like are not considered, so that the tail gas emission condition of the chemical production enterprises cannot be accurately monitored.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an automatic monitoring system for the exhaust emission of chemical production.
The technical problems to be solved by the invention are as follows:
how to realize the accurate monitoring of the tail gas emission condition of chemical production enterprises from multiparty factors.
The aim of the invention can be achieved by the following technical scheme:
the automatic monitoring system for the tail gas emission of the chemical production comprises a data acquisition module, a real-time monitoring module, a regional environment monitoring module, an emission judging module, a history monitoring module, a storage module, a regional division module and a server, wherein the regional division module is used for dividing a chemical production area into a plurality of chemical production areas and feeding the chemical production areas back to the server; the storage module stores the tail gas violation data of the chemical production area and sends the tail gas violation data to the history monitoring module, the history monitoring module is used for analyzing the tail gas history emission condition of the chemical production area, the monitoring grade of the chemical production area is obtained through analysis and fed back to the server, and the server sets corresponding emission parameters according to the monitoring grade and sends the emission parameters to the real-time monitoring module;
the data acquisition module is used for acquiring tail gas data and environment data of a chemical production area and sending the tail gas data and the environment data to the server, and the server sends the tail gas data to the real-time monitoring module and sends the environment data to the area environment monitoring module;
the real-time monitoring module is used for carrying out real-time monitoring on the chemical tail gas in the chemical production area by combining with the emission parameters to obtain a deviation value of the chemical production area, and feeding the deviation value back to the server, wherein the server sends the deviation value of the chemical production area to the emission judging module;
the regional environment monitoring module is used for monitoring the environmental conditions of the chemical production region, the environmental improvement value of the chemical production region is obtained through monitoring and fed back to the server, the server sends the environmental improvement value of the chemical production region to the emission judging module, and the emission judging module is used for judging the tail gas emission conditions of the chemical production region and judging the tail gas pollution level of the chemical production region.
Further, the exhaust violation data are the number of times of the illegal exhaust of the tail gas of the chemical production area, the exhaust violation emission amount and the exhaust violation emission duration of each illegal exhaust, the total number of times of the exhaust, the exhaust emission amount and the total exhaust duration of each illegal exhaust;
the tail gas data are the tail gas emission starting time, the tail gas emission ending time, the real-time number of tail gas emission in the tail gas emission starting time to the tail gas emission ending time and the real-time quantity of single tail gas emission;
the environmental data are gas samples, water source samples and green planting areas in the chemical production area;
the emission parameters are the exhaust emission duration, the exhaust emission times in the exhaust emission duration and the single exhaust emission upper limit.
Further, the analysis process of the history monitoring module is specifically as follows:
obtaining the illegal discharge times, the total amount of the tail gas illegal discharge, the total discharge duration, the total tail gas illegal discharge duration, the total discharge times and the total amount of the tail gas discharge of a chemical production area;
and calculating the violation value of the chemical production area, and comparing the violation value with the violation threshold to obtain the chemical production area.
Further, the monitoring levels include a first monitoring level, a second monitoring level, and a third monitoring level.
Further, the exhaust emission duration of the first monitoring level is smaller than the exhaust emission duration of the second monitoring level, and the exhaust emission duration of the second monitoring level is smaller than the exhaust emission duration of the third monitoring level;
the exhaust emission frequency of the first monitoring level is smaller than the exhaust emission frequency of the second monitoring level, and the exhaust emission frequency of the second monitoring level is smaller than the exhaust emission frequency of the third monitoring level;
the upper limit of the single exhaust emission of the first monitoring level is smaller than that of the second monitoring level, and the upper limit of the single exhaust emission of the second monitoring level is smaller than that of the third monitoring level.
Further, the real-time monitoring process of the real-time monitoring module is specifically as follows:
acquiring the real-time exhaust emission duration of the chemical production area, if the real-time exhaust emission duration is less than or equal to the real-time exhaust emission duration, not performing any operation, if the real-time exhaust emission duration is greater than the real-time exhaust emission duration, calculating the difference value of the real-time exhaust emission durations of the chemical production area, entering the next step, and simultaneously recording the illegal exhaust emission duration of the chemical production area;
acquiring the real-time number of exhaust emissions in the real-time period of exhaust emissions, if the real-time number of exhaust emissions is less than or equal to the real-time number of exhaust emissions, not performing any operation, if the real-time number of exhaust emissions is greater than the real-time number of exhaust emissions, calculating the difference value of the number of exhaust emissions in the real-time period of exhaust emissions in the chemical production area, entering the next step, and simultaneously recording the illegal emission number in the chemical production area;
obtaining the real-time quantity of the single exhaust emission in the real-time period of the exhaust emission, and performing traversal comparison to obtain the real-time maximum quantity of the single exhaust emission and the real-time minimum quantity of the single exhaust emission in the real-time period of the exhaust emission;
if the real-time minimum amount of the tail gas emission is larger than the corresponding single-time emission upper limit amount of the tail gas, the method does not perform any operation, and if the real-time minimum amount of the tail gas emission is larger than or equal to the corresponding single-time emission upper limit amount of the tail gas, the method enters the next step, and meanwhile, the illegal tail gas emission amount of a chemical production area is recorded;
calculating the difference value between the single exhaust emission real-time quantity and the single exhaust emission upper limit quantity, and adding and summing to obtain the difference value of the exhaust emission of the chemical production area in the real-time exhaust emission time period;
and calculating the deviation value of the chemical production area.
Further, the monitoring process of the regional environment monitoring module is specifically as follows:
acquiring a green planting area in a chemical production area;
extracting a plurality of gas samples in a chemical production area, and calculating the harmful gas component ratio of the plurality of gas samples;
adding and summing the harmful gas component ratios of the plurality of gas samples and dividing the sum by the number of the gas samples to obtain the average harmful gas component ratio in the chemical production area;
similarly, calculating the average composition ratio of the harmful water sources in the chemical production area;
and calculating an environment improvement value of the chemical production area.
Further, the determination process of the emission determination module is specifically as follows:
obtaining a deviation value and an environment improvement value of a chemical production area, calculating to obtain a bad tail gas value of the chemical production area,
comparing the bad tail gas value with the bad tail gas threshold value to obtain the tail gas pollution level of the chemical production area;
and the emission judging module feeds back the tail gas pollution level of the chemical production area to the server.
Further, the exhaust pollution levels include a heavy pollution level, a medium pollution level, and a light pollution level.
Further, if the server receives the severe pollution level, notifying the corresponding chemical production area to carry out tail gas rectification;
if the server receives the medium pollution level, the monitoring level of the chemical production area is increased;
and if the server receives the light pollution level, informing the chemical production area to continuously maintain the current tail gas emission state.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes a regional division module to divide a chemical industry park into a plurality of chemical industry production regions, analyzes the tail gas historical emission condition of the chemical industry production regions through a historical monitoring module to obtain the monitoring grade of the chemical industry production regions, sets corresponding emission parameters according to the monitoring grade, sends the corresponding emission parameters to a real-time monitoring module, monitors the chemical industry tail gas in the chemical industry production regions in real time by combining the emission parameters to obtain the deviation value of the chemical industry production regions, monitors the environment condition of the chemical industry production regions through a regional environment monitoring module to obtain the deviation value of the chemical industry production regions, sends the deviation value and the environment improvement value of the chemical industry production regions to an emission judging module, judges the tail gas emission condition of the chemical industry production regions, and judges the tail gas pollution grade of the chemical industry production regions.
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The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, in this embodiment, an automatic monitoring system for exhaust emission of chemical production is provided, which is mainly used for monitoring exhaust emission of chemical production enterprises in a chemical industry park, and includes a data acquisition module, a real-time monitoring module, a regional environment monitoring module, an emission judgment module, a history monitoring module, a storage module, a regional division module and a server;
the regional division module is used for dividing the chemical industry park into a plurality of chemical industry production regions u and feeding back the chemical industry production regions u to the server, wherein u=1, 2, … …, z and z are positive integers;
in the concrete implementation, the region division can be performed according to the boundary line of the outer wall of the chemical production enterprises in the chemical industry park, and one chemical production enterprise can be a chemical production region through the region surrounded by the outer wall;
the storage module stores the tail gas violation data of the chemical production area and sends the tail gas violation data of the chemical production area to the history monitoring module;
the specific explanation is that the tail gas violation data is the number of times of the violation emission of the tail gas in the chemical production area, the tail gas violation emission amount and the tail gas violation emission duration when each time of the violation emission, the total number of times of the emission, the tail gas emission amount and the total emission duration when each time of the emission, and the like;
the history monitoring module is used for analyzing the tail gas history emission condition of the chemical production area, and the analysis process is specifically as follows:
step one: obtaining the illegal discharge times of a chemical production area, and marking the illegal discharge times as WCu;
step two: obtaining the illegal exhaust quantity of the tail gas in each illegal exhaust of the chemical production area, and summing the illegal exhaust quantity of the tail gas in each illegal exhaust to obtain the total illegal exhaust quantity WZLL of the chemical production area;
step three: obtaining total emission duration PZTU and total emission duration WZTU of the tail gas illegal emission in each illegal emission, and summing the total emission duration PZTU of the tail gas illegal emission in each illegal emission to obtain total emission duration WZTU of the tail gas illegal emission in the chemical production area;
step four: acquiring the total number of times of discharge of a chemical production area, and marking the total number of times of discharge as PZCu; obtaining the exhaust emission amount of each emission of the chemical production area, and adding and summing the exhaust emission amounts of each emission to obtain the total exhaust emission amount PZLL of the chemical production area;
step five: by the formulaCalculating to obtain a violation value WGu of the chemical production area; wherein a1, a2 and a3 are weight coefficients with fixed values, and the values of a1, a2 and a3 are all larger than zero, in the specific implementation, the value of a1 can be 0.2, the value of a2 can be 0.3, the value of a3 can be 0.5, or the value of a1 can be 0.2, the value of a2 can be 0.7, and the value of a3 can be 0.1, as long as the positive-negative ratio relation between the parameter and the result value is not affected;
step six: if WGu is less than X1, the monitoring grade of the chemical production area is a third monitoring grade;
if X1 is less than or equal to WGu and less than X2, the monitoring grade of the chemical production area is a second monitoring grade;
if X2 is less than or equal to WGu, the monitoring grade of the chemical production area is the first monitoring grade; wherein X1 and X2 are both violation thresholds with fixed values, and X1 is less than X2;
the history monitoring module feeds back the monitoring grade of the chemical production area to the server, and the server sets corresponding emission parameters according to the monitoring grade and sends the emission parameters to the real-time monitoring module;
the emission parameters are the exhaust emission duration, the exhaust emission times in the exhaust emission duration and the single exhaust emission upper limit;
it can be appreciated that the exhaust emission duration of the first monitoring level is less than the exhaust emission duration of the second monitoring level, which is less than the exhaust emission duration of the third monitoring level; the exhaust emission frequency of the first monitoring level is smaller than the exhaust emission frequency of the second monitoring level, and the exhaust emission frequency of the second monitoring level is smaller than the exhaust emission frequency of the third monitoring level; the upper limit of the single exhaust emission of the first monitoring level is smaller than that of the second monitoring level, and the upper limit of the single exhaust emission of the second monitoring level is smaller than that of the third monitoring level;
the data acquisition module is used for acquiring tail gas data and environment data of a chemical production area, sending the tail gas data and the environment data to the server, sending the tail gas data to the real-time monitoring module by the server, and sending the environment data to the area environment monitoring module by the server;
in the specific implementation, the data acquisition module can be related equipment such as a tail gas monitoring station, a timer, a counter and the like which are arranged in a chemical production area;
the specific explanation is that the exhaust data is exhaust emission starting time, exhaust emission ending time, real-time number of exhaust emission in the exhaust emission starting time to the exhaust emission ending time, real-time quantity of single exhaust emission and the like; the environmental data are gas samples, water source samples, green planting areas and the like in the chemical production area;
the real-time monitoring module is used for carrying out real-time monitoring on chemical tail gas in a chemical production area by combining with emission parameters, and the real-time monitoring process is specifically as follows:
step S1: acquiring the tail gas emission starting time and the tail gas emission ending time of the chemical production area, and subtracting the tail gas emission starting time from the tail gas emission ending time to obtain the real-time tail gas emission duration of the chemical production area;
step S2: if the real-time exhaust emission duration is less than or equal to the exhaust emission duration, no operation is performed;
if the real-time length of the exhaust emission is longer than the real-time length of the exhaust emission, calculating a difference value, taking an absolute value, namely a difference value TCu of the real-time length of the exhaust emission in the chemical production area, and entering the next step, and simultaneously recording the illegal exhaust time length of the exhaust in the chemical production area;
step S3: acquiring the real-time number of the exhaust emission in the real-time period of the exhaust emission, and if the real-time number of the exhaust emission is less than or equal to the real-time number of the exhaust emission, not performing any operation;
if the real-time number of the exhaust emission is greater than the real-time number of the exhaust emission, calculating a difference value, taking an absolute value, namely the difference value CCu of the number of the exhaust emission in the real-time period of the exhaust emission of the chemical production area, and entering the next step, and simultaneously recording the illegal emission number of the chemical production area;
step S4: acquiring the real-time quantity of the single exhaust emission in the real-time period of the exhaust emission, and performing traversal comparison on the real-time quantity of the single exhaust emission to obtain the real-time maximum quantity of the single exhaust emission and the real-time minimum quantity of the single exhaust emission in the real-time period of the exhaust emission;
step S5: if the real-time maximum amount of the tail gas emission is smaller than the corresponding single-emission upper limit amount of the tail gas, no operation is performed;
if the real-time minimum amount of the tail gas emission is greater than or equal to the corresponding single-emission upper limit amount of the tail gas, entering the next step, and simultaneously recording the illegal tail gas emission amount of the chemical production area;
step S5: calculating the difference value between the single exhaust emission real-time quantity and the single exhaust emission upper limit quantity, and adding and summing to obtain an exhaust emission difference value LCu of the chemical production area in the exhaust emission real-time period;
step S6: calculating according to a formula PZu =tcu×b1+ccu×b2+lcu×b3 to obtain a deviation value PZu of the chemical production area; wherein b1, b2 and b3 are weight coefficients with fixed values, and the values of b1, b2 and b3 are all larger than zero, and in the specific implementation, the value of b1 can be 0.5, the value of b2 can be 0.2, the value of b3 can be 0.3, or the value of b1 can be 0.1, the value of b2 can be 0.78, and the value of b3 can be 0.12, as long as the positive-negative ratio relation between the parameter and the result value is not affected;
the real-time monitoring module feeds the deviation value PZu of the chemical production area back to the server, and the server sends the deviation value PZu of the chemical production area to the emission judging module;
the regional environment monitoring module is used for monitoring the environmental conditions of the chemical production region, and the monitoring process is specifically as follows:
step SS1: acquiring a green planting area in a chemical production area, and marking the green planting area as LMu;
step SS2: extracting a plurality of gas samples in a chemical production area, acquiring harmful gas components in the gas samples, and calculating the component specific gravity of the harmful gas components and the gas samples to obtain the harmful gas component ratio of the gas samples;
step SS3: the sum of the harmful gas component ratios of the plurality of gas samples is divided by the number of the gas samples to obtain the average harmful gas component ratio HQBu in the chemical production area;
step SS4: extracting a plurality of gas samples in a chemical production area, and calculating according to the operations from the step SS1 to the step SS3 to obtain the average composition ratio HSBu of harmful water sources in the chemical production area;
step SS5: by the formulaCalculating to obtain an environment improvement value HGu of the chemical production area; wherein e is a natural constant;
the regional environment monitoring module feeds the environment improvement value HGu of the chemical production region back to the server, and the server sends the environment improvement value HGu of the chemical production region to the emission judging module;
the emission judging module is used for judging the exhaust emission condition of the chemical production area, and the judging process is specifically as follows:
step P1: obtaining a deviation value PZu and an environment improvement value HGu of the chemical production area obtained by calculation;
step P2: calculating to obtain a bad tail gas value WEu of the chemical region through a formula WEu = PZu/(HGu ×α); in the formula, alpha is a proportionality coefficient with a fixed value, and the value of alpha is greater than or equal to 1, in the specific implementation, the value of alpha only needs to be greater than zero, for example, the value of alpha can be 1.2, or the value of alpha can be 2.3, as long as the inverse relation between the result value of multiplying alpha by the environment improvement value and the bad exhaust gas value is ensured, it is understood that the bigger the result value of multiplying alpha by the environment improvement value is, the smaller the bad exhaust gas value is;
step P3: if WEu is more than or equal to Y2, the tail gas pollution level of the chemical production area is the heavy pollution level;
step P4: if Y2 is more than WEu and is more than or equal to Y1, the tail gas pollution level of the chemical production area is a moderate pollution level;
step P5: if Y1 is more than WEu, the tail gas pollution grade of the chemical production area is light pollution grade; wherein, Y1 and Y2 are both the bad tail gas threshold values with fixed values, Y1 is less than Y2, Y1 can be 10, Y1 can be 5 when the values are taken, and the values of Y1 are ensured to be less than the values of Y2, and the values of Y1 and Y2 are scientifically set according to the situation when the specific implementation is carried out;
the emission judging module feeds back the tail gas pollution level of the chemical production area to the server;
if the server receives the severe pollution level, notifying the corresponding chemical production area to carry out tail gas rectification;
if the server receives the medium pollution level, the monitoring level of the chemical production area is increased;
and if the server receives the light pollution level, informing the chemical production area to continuously maintain the current tail gas emission state.
Example two
Based on the same conception, the invention provides a working method of an automatic monitoring system for the exhaust emission of chemical production, which comprises the following steps:
step S101, a region dividing module divides a chemical industry park into a plurality of chemical industry production regions u and feeds the chemical industry production regions u back to a server, and meanwhile, a storage module stores tail gas violation data of the chemical industry production regions and sends the tail gas violation data of the chemical industry production regions to a history monitoring module;
step S102, analyzing the historical exhaust conditions of the chemical production area through a historical monitoring module to obtain the illegal exhaust times WCu, the total exhaust illegal exhaust amount WZLU, the total exhaust duration PZTU, the total exhaust illegal exhaust duration WZTu, the total exhaust times PZCU and the total exhaust amount PZLU of the chemical production area, and obtaining the total exhaust amount PZCU, the total exhaust illegal exhaust duration WZTu, the total exhaust times PZCU and the total exhaust amount PZLU through the formulaCalculating to obtain a violation value WGu of the chemical production area, wherein if WGu is less than X1, the monitoring grade of the chemical production area is a third monitoring grade, if X1 is less than or equal to WGu and less than X2, the monitoring grade of the chemical production area is a second monitoring grade, and if X2 is less than or equal to WGu, the monitoring grade of the chemical production area is a first monitoring grade historical monitoring moduleThe monitoring grade of the chemical production area is fed back to the server, and the server sets corresponding emission parameters according to the monitoring grade and sends the emission parameters to the real-time monitoring module;
step S103, the data acquisition module acquires the tail gas data and the environment data of the chemical production area, the tail gas data and the environment data are sent to the server, the server sends the tail gas data to the real-time monitoring module, and the server sends the environment data to the area environment monitoring module;
step S104, a real-time monitoring module monitors chemical exhaust in a chemical production area in real time by combining emission parameters, obtains the exhaust emission starting time and the exhaust emission ending time of the chemical production area, obtains the exhaust emission real-time duration of the chemical production area by subtracting the exhaust emission starting time from the exhaust emission ending time, does not perform any operation if the exhaust emission real-time duration is less than or equal to the exhaust emission duration, calculates a difference value and takes an absolute value to obtain an exhaust emission duration difference value TCu of the chemical production area and enters the next step, simultaneously records the exhaust emission violation emission duration of the chemical production area, obtains the exhaust emission real-time number in the exhaust emission real-time duration, does not perform any operation if the exhaust emission real-time number is less than or equal to the exhaust emission real-time number, calculates the difference value and takes an absolute value to obtain the exhaust emission number difference value CCu of the chemical production area in the exhaust emission real-time duration, simultaneously records the exhaust emission real-time number in the exhaust emission real-time duration, compares the single emission real-time duration with the single emission real-time value to obtain the exhaust emission maximum value and then performs the exhaust emission maximum value to be smaller than the maximum if the maximum value is not equal to the maximum value of the maximum real-time operation on the exhaust emission real-time duration of the chemical production area, and finally records the maximum amount to be smaller than the maximum amount of the exhaust emission real-time in the real-time operation is not performed by the maximum amount of the exhaust emission real-time operation of the exhaust emission real time step, adding and summing to obtain a tail gas emission quantity difference LCu of the chemical production area in the tail gas emission real-time period, calculating to obtain a deviation value PZu of the chemical production area through a formula PZu =TCu×b1+CCu×b2+LCu×b3, feeding back the deviation value PZu of the chemical production area to a server by a real-time monitoring module, and sending the deviation value PZu of the chemical production area to an emission judging module by the server;
step S105, monitoring the environmental condition of the chemical production area by an area environmental monitoring module, obtaining a green planting area LMu in the chemical production area, extracting a plurality of gas samples in the chemical production area, obtaining harmful gas components in the plurality of gas samples, calculating the component proportion of the harmful gas components and the gas samples to obtain the harmful gas component ratio of the plurality of gas samples, adding and dividing the harmful gas component ratio of the plurality of gas samples by the number of the gas samples to obtain the harmful gas average component ratio HQBu in the chemical production area, extracting the plurality of gas samples in the chemical production area, calculating according to the operation to obtain the harmful water source average component ratio HSBu in the chemical production area, and obtaining the harmful water source average component ratio HSBu in the chemical production area by the formulaCalculating an environment improvement value HGu of the chemical production area, feeding back the environment improvement value HGu of the chemical production area to a server by an area environment monitoring module, and sending the environment improvement value HGu of the chemical production area to an emission judging module by the server;
step S106, finally, the emission judging module judges the exhaust emission condition of the chemical production area, obtains a deviation value PZu and an environment improvement value HGu of the chemical production area, calculates the exhaust severe value WEu of the chemical production area through a formula WEu = PZu/(HGu ×α), if WEu is more than or equal to Y2, the exhaust pollution level of the chemical production area is a heavy pollution level, if Y2 is more than WEu and is more than or equal to Y1, the exhaust pollution level of the chemical production area is a medium pollution level, if Y1 is more than WEu, the exhaust pollution level of the chemical production area is a light pollution level, the emission judging module feeds the exhaust pollution level of the chemical production area back to the server, if the server receives the heavy pollution level, notifies the corresponding chemical production area to carry out exhaust rectification, if the server receives the medium pollution level, the monitoring level of the chemical production area is increased, if the server receives the light pollution level, and notifies the chemical production area to keep the current exhaust emission state.
The above formulas are all formulas for removing dimensions and taking numerical calculation, the formulas are formulas for obtaining the latest real situation by acquiring a large amount of data and performing software simulation, preset parameters in the formulas are set by a person skilled in the art according to the actual situation, the sizes of the weight coefficient and the scale coefficient are specific numerical values obtained by quantizing each parameter, the subsequent comparison is convenient, and the proportional relation between the weight coefficient and the scale coefficient is not influenced as long as the proportional relation between the parameter and the quantized numerical values is not influenced.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The automatic monitoring system for the tail gas emission of the chemical industry production is characterized by comprising a data acquisition module, a real-time monitoring module, a regional environment monitoring module, an emission judging module, a history monitoring module, a storage module, a regional division module and a server, wherein the regional division module is used for dividing a chemical industry park into a plurality of chemical industry production regions and feeding back the chemical industry production regions to the server; the storage module stores the tail gas violation data of the chemical production area and sends the tail gas violation data to the history monitoring module, and the history monitoring module is used for analyzing the tail gas history emission condition of the chemical production area, and the analysis process is specifically as follows:
obtaining the illegal discharge times, the total amount of the tail gas illegal discharge, the total discharge duration, the total tail gas illegal discharge duration, the total discharge times and the total amount of the tail gas discharge of a chemical production area;
calculating the rule violation value of the chemical production area, and comparing the rule violation value with the rule violation threshold to obtain the monitoring grade of the chemical production area;
the history monitoring module feeds back the monitoring grade of the chemical production area to a server, and the server sets corresponding emission parameters according to the monitoring grade and sends the emission parameters to the real-time monitoring module;
the data acquisition module is used for acquiring tail gas data and environment data of a chemical production area and sending the tail gas data and the environment data to the server, and the server sends the tail gas data to the real-time monitoring module and sends the environment data to the area environment monitoring module;
the real-time monitoring module is used for carrying out real-time monitoring on chemical tail gas in a chemical production area by combining with emission parameters, and the real-time monitoring process is specifically as follows:
acquiring the real-time exhaust emission duration of the chemical production area, if the real-time exhaust emission duration is less than or equal to the real-time exhaust emission duration, not performing any operation, if the real-time exhaust emission duration is greater than the real-time exhaust emission duration, calculating the difference value of the real-time exhaust emission durations of the chemical production area, entering the next step, and simultaneously recording the illegal exhaust emission duration of the chemical production area;
acquiring the real-time number of exhaust emissions in the real-time period of exhaust emissions, if the real-time number of exhaust emissions is less than or equal to the real-time number of exhaust emissions, not performing any operation, if the real-time number of exhaust emissions is greater than the real-time number of exhaust emissions, calculating the difference value of the number of exhaust emissions in the real-time period of exhaust emissions in the chemical production area, entering the next step, and simultaneously recording the illegal emission number in the chemical production area;
obtaining the real-time quantity of the single exhaust emission in the real-time period of the exhaust emission, and performing traversal comparison to obtain the real-time maximum quantity of the single exhaust emission and the real-time minimum quantity of the single exhaust emission in the real-time period of the exhaust emission;
if the real-time minimum amount of the tail gas emission is larger than the corresponding single-time emission upper limit amount of the tail gas, the method does not perform any operation, and if the real-time minimum amount of the tail gas emission is larger than or equal to the corresponding single-time emission upper limit amount of the tail gas, the method enters the next step, and meanwhile, the illegal tail gas emission amount of a chemical production area is recorded;
calculating the difference value between the single exhaust emission real-time quantity and the single exhaust emission upper limit quantity, and adding and summing to obtain the difference value of the exhaust emission of the chemical production area in the real-time exhaust emission time period;
calculating the deviation value of the chemical production area;
the real-time monitoring module feeds back the deviation value of the chemical production area to the server, and the server sends the deviation value of the chemical production area to the emission judging module;
the regional environment monitoring module is used for monitoring the environmental conditions of the chemical production region, and the monitoring process is specifically as follows:
acquiring a green planting area in a chemical production area;
extracting a plurality of gas samples in a chemical production area, and calculating the harmful gas component ratio of the plurality of gas samples;
adding and summing the harmful gas component ratios of the plurality of gas samples and dividing the sum by the number of the gas samples to obtain the average harmful gas component ratio in the chemical production area;
similarly, calculating the average composition ratio of the harmful water sources in the chemical production area;
calculating an environmental improvement value of a chemical production area;
the regional environment monitoring module feeds back the environmental improvement value of the chemical production region to the server, the server sends the environmental improvement value of the chemical production region to the emission judging module, and the emission judging module is used for judging the tail gas emission condition of the chemical production region, and the judging process is specifically as follows:
obtaining a deviation value and an environment improvement value of a chemical production area, calculating to obtain a bad tail gas value of the chemical production area,
comparing the bad tail gas value with the bad tail gas threshold value to obtain the tail gas pollution level of the chemical production area;
and the emission judging module feeds back the tail gas pollution level of the chemical production area to the server.
2. The automatic monitoring system for the exhaust emission of the chemical production according to claim 1, wherein the exhaust violation data are the number of times of the illegal emission of the exhaust in the chemical production area, the exhaust violation emission amount and the exhaust violation emission duration each time of the illegal emission, the total number of times of the emission, the exhaust emission amount and the total emission duration each time of the emission;
the tail gas data are the tail gas emission starting time, the tail gas emission ending time, the real-time number of tail gas emission in the tail gas emission starting time to the tail gas emission ending time and the real-time quantity of single tail gas emission;
the environmental data are gas samples, water source samples and green planting areas in the chemical production area;
the emission parameters are the exhaust emission duration, the exhaust emission times in the exhaust emission duration and the single exhaust emission upper limit.
3. The automated chemical production exhaust emission monitoring system of claim 1, wherein the monitoring levels comprise a first monitoring level, a second monitoring level, and a third monitoring level.
4. The automated monitoring system for exhaust emissions of chemical production of claim 3, wherein the exhaust emission duration of the first monitoring level is less than the exhaust emission duration of the second monitoring level, and the exhaust emission duration of the second monitoring level is less than the exhaust emission duration of the third monitoring level;
the exhaust emission frequency of the first monitoring level is smaller than the exhaust emission frequency of the second monitoring level, and the exhaust emission frequency of the second monitoring level is smaller than the exhaust emission frequency of the third monitoring level;
the upper limit of the single exhaust emission of the first monitoring level is smaller than that of the second monitoring level, and the upper limit of the single exhaust emission of the second monitoring level is smaller than that of the third monitoring level.
5. The automated chemical production exhaust gas emission monitoring system of claim 1, wherein the exhaust gas pollution levels comprise a heavy pollution level, a medium pollution level, and a light pollution level.
6. The automated monitoring system for exhaust emissions from chemical production of claim 5, wherein if the server receives a severe pollution level, the server notifies the corresponding chemical production area of the exhaust modification;
if the server receives the medium pollution level, the monitoring level of the chemical production area is increased;
and if the server receives the light pollution level, informing the chemical production area to continuously maintain the current tail gas emission state.
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