CN115936492A - Chemical production exhaust emission automatic monitoring system - Google Patents
Chemical production exhaust emission automatic monitoring system Download PDFInfo
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- CN115936492A CN115936492A CN202211481442.3A CN202211481442A CN115936492A CN 115936492 A CN115936492 A CN 115936492A CN 202211481442 A CN202211481442 A CN 202211481442A CN 115936492 A CN115936492 A CN 115936492A
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Abstract
The invention discloses an automatic monitoring system for tail gas emission of chemical production, 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 neglecting treatment measures, environmental purification and other factors.
Description
Technical Field
The invention belongs to the field of chemical industry, relates to a tail gas emission monitoring technology, and particularly relates to an automatic monitoring system for tail gas emission in chemical production.
Background
Chemical industry is short for "chemical process", "chemical industry", "chemical engineering", and the like. The technology of changing the composition and structure of substances or synthesizing new substances by chemical methods belongs to the chemical production technology, namely the chemical process, and the obtained products are called chemicals or chemical products. Originally, the production of such products was performed in manual workshops, later developed into factories, and gradually developed into a specific production industry, i.e., the chemical industry. Chemical engineering is a science for researching the general rule of the production process of chemical products. The relationship between human beings and chemical industry is very close, and some chemical products play epoch-making important roles in the development history of human beings, and the production and the application of the chemical products even represent a certain history stage of human civilization.
In the prior art, the tail gas of chemical production enterprises is limited to pollutants, and factors such as treatment measures and environmental purification 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 in the prior art, the invention aims to provide an automatic monitoring system for chemical production tail gas emission.
The technical problem to be solved by the invention is as follows:
how to realize the accurate monitoring of the exhaust emission condition of the chemical production enterprises from multiple factors.
The purpose of the invention can be realized by the following technical scheme:
an automatic monitoring system for chemical production tail gas emission comprises 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, wherein the regional division module is used for carrying out regional division on a chemical industry park to obtain a plurality of chemical production regions and feeding the chemical production regions back to the server; the storage module stores tail gas violation data of the chemical production area and sends the tail gas violation data to the historical monitoring module, the historical monitoring module is used for analyzing the historical tail gas 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 environmental data of a chemical production area and sending the tail gas data and the environmental data to the server, and the server sends the tail gas data to the real-time monitoring module and sends the environmental data to the area environmental monitoring module;
the real-time monitoring module is used for monitoring chemical tail gas in a chemical production area in real time by combining with the emission parameters to obtain a deviation value of the chemical production area and feed the deviation value back to the server, and the server sends the deviation value of the chemical production area to the emission judging module;
regional environmental monitoring module is used for monitoring the environmental aspect in chemical production region, and the monitoring obtains the regional environmental improvement value of chemical production and feeds back to the server, the server sends the regional environmental improvement value of chemical production to the decision module that discharges, it is used for judging the exhaust emission condition in chemical production region to discharge the decision module, judges the regional exhaust pollution level of chemical production.
Further, the tail gas violation data are the violation emission frequency of tail gas in a chemical production area, the violation emission amount of tail gas in each violation emission, the violation emission duration of tail gas, the total emission frequency, the tail gas emission amount in each emission and the total emission duration;
the tail gas data comprises tail gas emission starting time, tail gas emission ending time, and real-time times of tail gas emission and real-time quantity of single tail gas emission from the tail gas emission starting time to the tail gas emission ending time;
the environmental data are a gas sample, a water source sample and a green plant area in a chemical production area;
the emission parameters are the exhaust emission duration, the exhaust emission times within the exhaust emission duration and the single exhaust emission upper limit of the exhaust.
Further, the analysis process of the history monitoring module is specifically as follows:
acquiring illegal discharge frequency, illegal tail gas discharge total amount, total discharge duration, illegal tail gas discharge total duration, total discharge frequency and total tail gas discharge amount 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 less than that of the second monitoring level, and the exhaust emission duration of the second monitoring level is less than that of the third monitoring level;
the number of times of exhaust emission of the first monitoring level is less than that of the second monitoring level, and the number of times of exhaust emission of the second monitoring level is less than that of the third monitoring level;
the single-time exhaust upper limit quantity of the tail gas of the first monitoring level is smaller than the single-time exhaust upper limit quantity of the tail gas of the second monitoring level, and the single-time exhaust upper limit quantity of the tail gas of the second monitoring level is smaller than the single-time exhaust upper limit quantity of the tail gas of the third monitoring level.
Further, the real-time monitoring process of the real-time monitoring module is specifically as follows:
acquiring real-time tail gas emission duration of a chemical production area, if the real-time tail gas emission duration is less than or equal to the tail gas emission duration, not performing any operation, if the real-time tail gas emission duration is greater than the tail gas emission duration, calculating a tail gas emission duration difference of the chemical production area, entering the next step, and simultaneously recording the illegal tail gas emission duration of the chemical production area;
acquiring the real-time number of tail gas emission within the real-time tail gas emission duration, if the real-time number of tail gas emission is less than or equal to the number of tail gas emission, not performing any operation, if the real-time number of tail gas emission is greater than the number of tail gas emission, calculating a tail gas emission number difference value of the chemical production area within the real-time tail gas emission duration, entering the next step, and simultaneously recording the number of illegal emission times of the chemical production area;
acquiring the single-time exhaust real-time quantity of the tail gas within the real-time tail gas exhaust duration, and traversing and comparing to obtain the single-time exhaust real-time maximum quantity and the single-time exhaust real-time minimum quantity of the tail gas within the real-time tail gas exhaust duration;
if the real-time maximum amount of the tail gas emission is smaller than the corresponding single tail gas emission upper limit amount, no operation is carried out, if the real-time minimum amount of the tail gas emission is larger than or equal to the corresponding single tail gas emission upper limit amount, the next step is carried out, and meanwhile, the illegal tail gas emission amount of a chemical production area is recorded;
calculating the difference value of the single-time tail gas emission real-time quantity and the single-time tail gas emission upper limit quantity, and summing to obtain the tail gas emission difference value of the chemical production area within the real-time tail gas emission time length;
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 the green plant 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 the harmful gas component ratios of a 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 component ratio of the harmful water source in the chemical production area;
and calculating the environmental 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 tail gas severe value of the chemical production area,
comparing the tail gas severe value with a tail gas severe threshold value to obtain a tail gas pollution level of a chemical production area;
and the emission judgment 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, the server informs a corresponding chemical production area to modify tail gas;
if the server receives the moderate pollution level, increasing the monitoring level of the chemical production area;
and if the server receives the light pollution level, informing the chemical production area to continuously keep the current exhaust emission state.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a chemical industry park is subjected to regional division by using a regional division module to obtain a plurality of chemical industry production regions, the historical exhaust emission condition of the chemical industry production regions is analyzed by a historical monitoring module to obtain the monitoring levels of the chemical industry production regions, a server sets corresponding emission parameters according to the monitoring levels and sends the emission parameters to a real-time monitoring module, the real-time monitoring module is used for monitoring the chemical industry exhaust 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, then the regional environment monitoring module is used for monitoring the environmental conditions of the chemical industry production regions to obtain the deviation value of the chemical industry production regions, the deviation value and the environmental improvement value of the chemical industry production regions are sent to an emission judgment module, the emission judgment module is used for judging the exhaust emission condition of the chemical industry production regions to judge the exhaust pollution level of the chemical industry production regions, and the accurate monitoring of the exhaust emission condition of the chemical industry enterprises is realized on the basis of comprehensive beam treatment measures, environmental purification and other factors.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall system block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, in the present embodiment, an automatic monitoring system for chemical production exhaust emission is provided, which is mainly used for monitoring the 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 determination module, a history monitoring module, a storage module, a regional division module, and a server;
the area division module is used for carrying out area division on the chemical industry park to obtain a plurality of chemical industry production areas u which are fed back to the server, wherein u =1,2, \8230;, and z is a positive integer;
in specific implementation, the region division can be performed according to the boundary line of the outer wall of the chemical industry production enterprise in the chemical industry park, and one chemical industry production enterprise can be a chemical industry production region through the region surrounded by the outer wall;
the storage module stores 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;
specifically, the tail gas violation data are the number of illegal emissions of tail gas in a chemical production area, the illegal emission amount of the tail gas in each illegal emission, the illegal emission duration of the tail gas, the total number of emissions, the tail gas emission amount in each emission, the total emission duration and the like;
the historical monitoring module is used for analyzing the historical exhaust emission condition of the chemical production area, and the analysis process is as follows:
the method comprises the following steps: acquiring the illegal discharge frequency of a chemical production area, and marking the illegal discharge frequency as WCu;
step two: acquiring illegal tail gas emission amount of each illegal tail gas emission in a chemical production area, and summing the illegal tail gas emission amounts of each illegal tail gas emission to obtain the total illegal tail gas emission amount WZLU of the chemical production area;
step three: acquiring total exhaust emission duration PZTU and illegal exhaust emission duration of each illegal exhaust emission, and summing the illegal exhaust emission durations of each illegal exhaust emission to obtain the illegal exhaust emission total duration WZTU of the chemical production area;
step four: acquiring the total discharge times of a chemical production area, and marking the total discharge times as PZCU; acquiring the tail gas emission amount of each time of emission in a chemical production area, and summing the tail gas emission amounts of each time of emission to obtain the total tail gas emission amount PZLU of the chemical production area;
step five: by the formula
Calculating to obtain a violation value WGu of a chemical production area; in the formula, a1, a2 and a3 are all weight coefficients with fixed values, and the values of a1, a2 and a3 are all greater than zero, in specific implementation, the value of a1 may be 0.2, the value of a2 may be 0.3, the value of a3 may be 0.5, or the value of a1 may be 0.2, the value of a2 may be 0.7, and the value of a3 may be 0.1, as long as the value of the weight coefficient does not affect the positive-negative ratio relationship between the parameter and the result value;
step six: if WGu is less than X1, the monitoring level of the chemical production area is a third monitoring level;
if the X1 is not less than WGu and less than X2, the monitoring level of the chemical production area is a second monitoring level;
if X2 is less than or equal to WGu, the monitoring level of the chemical production area is a first monitoring level; wherein X1 and X2 are both violation thresholds with fixed values, and X1 is less than X2;
the historical 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 comprise tail gas emission duration, the number of tail gas emission times within the tail gas emission duration and the single tail gas emission upper limit;
understandably, the exhaust emission duration of the first monitoring level is less than that of the second monitoring level, and the exhaust emission duration of the second monitoring level is less than that of the third monitoring level; the number of times of exhaust emission of the first monitoring level is less than that of the second monitoring level, and the number of times of exhaust emission of the second monitoring level is less than that of the third monitoring level; the single-time exhaust upper limit quantity of the tail gas of the first monitoring level is smaller than that of the tail gas of the second monitoring level, and the single-time exhaust upper limit quantity of the tail gas of the second monitoring level is smaller than that of the tail gas of the third monitoring level;
the data acquisition module is used for acquiring tail gas data and environmental data of a chemical production area and sending the tail gas data and the environmental data to the server, the server sends the tail gas data to the real-time monitoring module, and the server sends the environmental data to the area environment monitoring module;
in specific implementation, the data acquisition module can be related equipment such as a tail gas monitoring station, a timer, a counter and the like arranged in a chemical production area;
specifically, the tail gas data includes tail gas emission start time, tail gas emission end time, and real-time number of tail gas emissions from the tail gas emission start time to the tail gas emission end time, real-time amount of single tail gas emission, and the like; the environmental data comprise a gas sample, a water source sample, a green plant area and the like in a chemical production area;
the real-time monitoring module is used for monitoring the chemical tail gas in the chemical production area in real time by combining with the emission parameters, and the real-time monitoring process specifically comprises the following steps:
step S1: acquiring tail gas emission starting time and tail gas emission ending time of a chemical production area, and subtracting the tail gas emission starting time from the tail gas emission ending time to obtain tail gas emission real-time duration of the chemical production area;
step S2: if the real-time tail gas emission duration is less than or equal to the tail gas emission duration, no operation is performed;
if the real-time exhaust emission duration is longer than the exhaust emission duration, calculating a difference value, taking an absolute value to obtain an exhaust emission duration difference value TCu of the chemical production area, entering the next step, and simultaneously recording the illegal exhaust emission duration of the exhaust in the chemical production area;
and step S3: acquiring the real-time times of tail gas emission within the real-time duration of tail gas emission, and if the real-time times of tail gas emission are less than or equal to the times of tail gas emission, not performing any operation;
if the real-time number of the exhaust emission is larger than the number of the exhaust emission, calculating a difference value, taking an absolute value to obtain a difference value CCu of the number of the exhaust emission of the chemical production area within the real-time length of the exhaust emission, entering the next step, and recording the number of the illegal emission of the chemical production area;
and step S4: acquiring the single-emission real-time quantity of the tail gas within the real-time tail gas emission duration, and traversing and comparing the single-emission real-time quantity of the tail gas to obtain the single-emission real-time maximum quantity and the single-emission real-time minimum quantity of the tail gas within the real-time tail gas emission duration;
step S5: if the real-time maximum amount of the tail gas emission is smaller than the single-time upper limit amount of the corresponding tail gas emission, no operation is carried out;
if the real-time minimum amount of the tail gas emission is larger than or equal to the upper limit amount of the corresponding tail gas single-time emission, entering the next step, and simultaneously recording the illegal tail gas emission amount of the chemical production area;
step S5: calculating the difference value of the single-time tail gas emission real-time quantity and the single-time tail gas emission upper limit quantity, and summing to obtain the tail gas emission difference value LCu of the chemical production area within the real-time tail gas emission time length;
step S6: calculating a deviation value Pzu of a chemical production area by a formula Pzu = TCu × b1+ CCu × b2+ LCu × b 3; in the formula, b1, b2 and b3 are all weight coefficients with fixed values, and the values of b1, b2 and b3 are all greater than zero, in specific implementation, the value of b1 may be 0.5, the value of b2 may be 0.2, the value of b3 may be 0.3, or the value of b1 may be 0.1, the value of b2 may be 0.78, and the value of b3 may be 0.12, as long as the value of the weight coefficient does not affect the positive-negative ratio relationship between the parameter and the result value;
the real-time monitoring module feeds back the deviation value PZu of the chemical production area to the server, and the server sends the deviation value PZu of the chemical production area to the discharge judging module;
the regional environment monitoring module is used for monitoring the environmental conditions of the chemical production region, and the monitoring process specifically comprises the following steps:
step SS1: acquiring a green plant area in a chemical production area, and marking the green plant 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 proportion of the harmful gas components to the components of the gas samples to obtain the proportion of the harmful gas components in the gas samples;
and step SS3: adding the harmful gas component ratios of a plurality of gas samples, and dividing the sum by the number of the gas samples to obtain the average harmful gas component ratio HQBu in the chemical production area;
and step SS4: extracting a plurality of gas samples in the chemical production area, and calculating according to the operations of the steps SS 1-SS 3 to obtain the average component ratio HSBu of the harmful water source in the chemical production area;
and step SS5: by the formula
Calculating to obtain an environmental improvement value HGu of a chemical production area; in the formula, e is a natural constant;
the regional environment monitoring module feeds back the environmental improvement value HGu of the chemical production region to the server, and the server sends the environmental improvement value HGu of the chemical production region to the emission judgment module;
the emission judgment module is used for judging the exhaust emission condition of the chemical production area, and the judgment process is as follows:
step P1: obtaining the deviation value PZu and the environmental improvement value HGu of the chemical production area obtained by the calculation;
step P2: calculating to obtain a severe tail gas value WEu of a chemical engineering area by a formula WEu = PZu/(HGu x alpha); in the formula, α is a proportionality coefficient of a fixed numerical value, and a value of α is greater than or equal to 1, in specific implementation, the value of α is only greater than zero, for example, the value of α may be 1.2, or the value of α may be 2.3, as long as it is ensured that the result value obtained by multiplying α by the environmental improvement value is in an inverse proportion to the severe value of the exhaust gas, it is understandable that, when the result value obtained by multiplying α by the environmental improvement value is larger, the severe value of the exhaust gas is smaller;
step P3: if WEu is more than or equal to Y2, the pollution level of the tail gas in the chemical production area is a severe pollution level;
step P4: if Y2 is more than WEu and is more than or equal to Y1, the pollution level of the tail gas in the chemical production area is a moderate pollution level;
step P5: if Y1 is more than WEu, the pollution level of the tail gas in the chemical production area is a light pollution level; y1 and Y2 are both tail gas severe threshold values with fixed values, and Y1 is less than Y2, when taking values, Y1 may be 10, Y1 may be 5, it is only required to ensure that the value of Y1 is less than the value of Y2, which is only exemplified here, and when specifically implementing, the values of Y1 and Y2 are scientifically set according to circumstances;
the emission judgment module feeds back the tail gas pollution level of the chemical production area to the server;
if the server receives the severe pollution level, informing the corresponding chemical production area to modify the tail gas;
if the server receives the moderate pollution level, increasing the monitoring level of the chemical production area;
and if the server receives the light pollution level, informing the chemical production area to continuously keep the current tail gas emission state.
Example two
Based on another concept of the same invention, a working method of the chemical production tail gas emission automatic monitoring system is provided, and the working method specifically comprises the following steps:
step S101, a regional division module divides a chemical industry park to obtain a plurality of chemical industry production regions u and feeds the chemical industry production regions u back to a server, meanwhile, a storage module stores tail gas violation data of the chemical industry production regions, and the tail gas violation data of the chemical industry production regions are sent to a history monitoring module;
step S102, analyzing the historical tail gas emission condition of the chemical production area through a historical monitoring module, obtaining the illegal emission times WCu, the illegal tail gas emission total quantity WZLU, the total emission duration PZTU, the illegal tail gas emission total duration WZTU, the total emission times PZCU and the total tail gas emission quantity PZLU of the chemical production area, and obtaining the illegal tail gas emission times WCu, the illegal tail gas emission total duration WZTU, the illegal tail gas emission total duration PZTU, the illegal tail gas emission total durations PZCU and the tail gas emission total quantity PZLU through formulas
Calculating to obtain an illegal value WGu of the chemical production area, wherein if WGu is smaller than X1, the monitoring level of the chemical production area is a third monitoring level, if X1 is smaller than or equal to WGu and smaller than X2, the monitoring level of the chemical production area is a second monitoring level, if X2 is smaller than or equal to WGu, the monitoring level of the chemical production area is a first monitoring level, the historical monitoring module feeds the monitoring level of the chemical production area back to the server, the server sets corresponding discharge parameters according to the monitoring levels, and the discharge parameters are sent to the real-time monitoring module;
step S103, collecting tail gas data and environment data of a chemical production area by the data collection module, sending the tail gas data and the environment data to a 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;
step S104, the real-time monitoring module monitors chemical tail gas in the chemical production area in real time by combining the emission parameters to obtain tail gas emission starting time and tail gas emission ending time of the chemical production area, the tail gas emission starting time is subtracted by the tail gas emission ending time to obtain tail gas emission real-time duration of the chemical production area, if the tail gas emission real-time duration is less than or equal to the tail gas emission duration, no operation is performed, if the tail gas emission real-time duration is greater than the tail gas emission duration, a difference value is calculated, an absolute value is obtained to obtain a tail gas emission duration difference value TCu of the chemical production area, the next step is performed, meanwhile, the tail gas illegal emission duration of the chemical production area is recorded, then the tail gas emission real-time times within the tail gas emission real-time duration are obtained, and if the tail gas emission real-time times are less than or equal to the tail gas emission times, no operation is performed, if the real-time number of the tail gas emission is greater than the number of the tail gas emission, calculating a difference value and taking an absolute value to obtain a tail gas emission number difference value CCu of a chemical production area in a tail gas emission real-time duration, entering the next step, simultaneously recording the number of illegal emission times of the chemical production area, then obtaining the single-time emission real-time quantity of the tail gas in the tail gas emission real-time duration, traversing and comparing the single-time emission real-time quantities of the tail gas to obtain the single-time emission real-time maximum quantity of the tail gas and the single-time emission real-time minimum quantity of the tail gas in the tail gas emission real-time duration, if the real-time maximum quantity of the tail gas is less than the corresponding single-time emission upper limit quantity of the tail gas, not performing any operation, if the real-time minimum quantity of the tail gas emission is greater than or equal to the corresponding single-time emission upper limit quantity of the tail gas, entering the next step, simultaneously recording the illegal emission quantity of the tail gas of the chemical production area, and finally calculating the difference value between the single-time quantity of the single-time emission of the tail gas and the single-time emission upper limit quantity of the tail gas, adding and summing to obtain an exhaust emission difference LCu of the chemical production area within the exhaust emission real-time, calculating to obtain a deviation value Pzu of the chemical production area through a formula Pzu = TCu × b1+ CCu × b2+ LCu × b3, feeding the deviation value Pzu of the chemical production area back to the server by the real-time monitoring module, and sending the deviation value Pzu of the chemical production area to the emission judging module by the server;
step S105, monitoring the environmental condition of the chemical production area through a regional environment monitoring module, obtaining a green vegetation area LMu in the chemical production area, extracting a plurality of gas samples in the chemical production area, obtaining harmful gas components in a plurality of gas samples, 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, adding the harmful gas component ratios of the gas samples, summing the sum of the harmful gas component ratios of the gas samples, and dividing the sum by the number of the gas samples to obtain the average harmful gas component ratio HQBu in the chemical production area, extracting a plurality of gas samples in the chemical production area, calculating the average harmful water source component ratio HSBu in the chemical production area according to the operation, and obtaining the average harmful water source component ratio HSBu in the chemical production area through a formula
Calculating to obtain an environment improvement value HGu of the chemical production area, feeding the environment improvement value HGu of the chemical production area back to the server by the area environment monitoring module, and sending the environment improvement value HGu of the chemical production area to the emission judgment module by the server;
step S106, finally, the emission judgment module judges the exhaust emission condition of the chemical production area to obtain a deviation value Pzu and an environment improvement value HGu of the chemical production area, the severe exhaust gas value WEu of the chemical production area is obtained through calculation of a formula WEu = Pzu/(HGuxalpha), if WEu is larger than or equal to Y2, the exhaust pollution level of the chemical production area is a severe pollution level, if Y2 is larger than WEu and is larger than or equal to Y1, the exhaust pollution level of the chemical production area is a moderate pollution level, if Y1 is larger than WEu, the exhaust pollution level of the chemical production area is a mild pollution level, the emission judgment module feeds back the exhaust pollution level of the chemical production area to the server, if the server receives the severe pollution level, the server informs the corresponding chemical production area to carry out exhaust gas rectification, if the server receives the moderate pollution level, the monitoring level of the chemical production area is increased, and if the server receives the mild pollution level, the chemical production area is informed to continuously keep the current exhaust emission state.
The above formulas are all calculated by taking the numerical value of the dimension, the formula is a formula of the latest real situation obtained by collecting a large amount of data and performing software simulation, the preset parameters in the formula are set by the technical personnel in the field according to the actual situation, the weight coefficient and the scale coefficient are specific numerical values obtained by quantizing each parameter, and the subsequent comparison is convenient.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An automatic monitoring system for chemical production tail gas emission is characterized by comprising 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, wherein the regional division module is used for carrying out regional division on a chemical industry park to obtain a plurality of chemical production regions and feeding the chemical production regions back to the server; the storage module stores tail gas violation data of the chemical production area and sends the tail gas violation data to the historical monitoring module, the historical monitoring module is used for analyzing the historical tail gas emission condition of the chemical production area, monitoring levels of the chemical production area are obtained through analysis and fed back to the server, and the server sets corresponding emission parameters according to the monitoring levels and sends the emission parameters to the real-time monitoring module;
the data acquisition module is used for acquiring tail gas data and environmental data of a chemical production area and sending the tail gas data and the environmental data to the server, and the server sends the tail gas data to the real-time monitoring module and the environmental data to the area environment monitoring module;
the real-time monitoring module is used for monitoring the chemical tail gas in the chemical production area in real time by combining the discharge parameters, so that the deviation value of the chemical production area is obtained and fed back to the server, and the server sends the deviation value of the chemical production area to the discharge judgment module;
regional environmental monitoring module is used for monitoring the regional environmental aspect of chemical production, and the monitoring obtains the regional environmental improvement value of chemical production and feeds back to the server, the server sends the regional environmental improvement value of chemical production to the emission decision module, the emission decision module is used for judging the regional exhaust emission condition of chemical production, judges the regional exhaust pollution level of chemical production.
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 illegal emissions of the exhaust in the chemical production area, the illegal emissions of the exhaust in each illegal emission, the illegal emission duration of the exhaust, the total number of emissions, the emission duration of the exhaust in each emission, and the total emission duration of the exhaust;
the tail gas data comprises tail gas emission starting time, tail gas emission ending time, and real-time times of tail gas emission and real-time quantity of single tail gas emission from the tail gas emission starting time to the tail gas emission ending time;
the environmental data are a gas sample, a water source sample and a green plant area in a chemical production area;
the emission parameters are the exhaust emission duration, the exhaust emission times within the exhaust emission duration and the single exhaust emission upper limit amount of the exhaust.
3. The chemical production tail gas emission automatic monitoring system according to claim 1, wherein the analysis process of the history monitoring module is as follows:
acquiring illegal discharge frequency, illegal tail gas discharge total amount, total discharge duration, illegal tail gas discharge total duration, total discharge frequency and total tail gas discharge amount 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.
4. The chemical production exhaust emission automatic monitoring system according to claim 3, wherein the monitoring levels comprise a first monitoring level, a second monitoring level and a third monitoring level.
5. The automatic monitoring system for the exhaust emission of the chemical production according to claim 4, wherein the exhaust emission duration of the first monitoring level is shorter than the exhaust emission duration of the second monitoring level, and the exhaust emission duration of the second monitoring level is shorter than the exhaust emission duration of the third monitoring level;
the number of times of exhaust emission of the first monitoring level is less than that of the second monitoring level, and the number of times of exhaust emission of the second monitoring level is less than that of the third monitoring level;
the single-time exhaust upper limit quantity of the tail gas of the first monitoring level is smaller than the single-time exhaust upper limit quantity of the tail gas of the second monitoring level, and the single-time exhaust upper limit quantity of the tail gas of the second monitoring level is smaller than the single-time exhaust upper limit quantity of the tail gas of the third monitoring level.
6. The chemical production tail gas emission automatic monitoring system according to claim 1, wherein the real-time monitoring process of the real-time monitoring module is as follows:
acquiring the real-time tail gas emission duration of a chemical production area, if the real-time tail gas emission duration is less than or equal to the tail gas emission duration, not performing any operation, if the real-time tail gas emission duration is greater than the tail gas emission duration, calculating a tail gas emission duration difference of the chemical production area, entering the next step, and simultaneously recording the illegal tail gas emission duration of the chemical production area;
acquiring the real-time times of tail gas emission within the real-time tail gas emission duration, if the real-time times of tail gas emission are less than or equal to the tail gas emission times, not performing any operation, if the real-time times of tail gas emission are greater than the tail gas emission times, calculating a tail gas emission time difference value of the chemical production area within the real-time tail gas emission duration, entering the next step, and simultaneously recording the illegal emission times of the chemical production area;
acquiring the single-time exhaust real-time quantity of the tail gas within the real-time tail gas exhaust duration, and traversing and comparing to obtain the single-time exhaust real-time maximum quantity and the single-time exhaust real-time minimum quantity of the tail gas within the real-time tail gas exhaust duration;
if the real-time maximum amount of the tail gas emission is smaller than the corresponding single tail gas emission upper limit amount, no operation is carried out, and if the real-time minimum amount of the tail gas emission is larger than or equal to the corresponding single tail gas emission upper limit amount, the next step is carried out, and simultaneously the illegal tail gas emission amount of a chemical production area is recorded;
calculating the difference value of the single-time tail gas emission real-time quantity and the single-time tail gas emission upper limit quantity, and summing to obtain the tail gas emission difference value of the chemical production area within the real-time tail gas emission time length;
and calculating the deviation value of the chemical production area.
7. The chemical production tail gas emission automatic monitoring system according to claim 1, wherein the monitoring process of the regional environment monitoring module is as follows:
acquiring the green plant 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 the harmful gas component ratios of a 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 component ratio of the harmful water source in the chemical production area;
and calculating the environmental improvement value of the chemical production area.
8. The chemical production tail gas emission automatic monitoring system according to claim 1, wherein the emission determination module specifically comprises the following determination processes:
obtaining a deviation value and an environment improvement value of a chemical production area, calculating to obtain a tail gas severe value of the chemical production area,
comparing the tail gas severe value with a tail gas severe threshold value to obtain a tail gas pollution level of a chemical production area;
and the emission judgment module feeds back the tail gas pollution level of the chemical production area to the server.
9. The automatic monitoring system for the exhaust emission of the chemical production according to claim 8, wherein the exhaust pollution levels comprise a heavy pollution level, a medium pollution level and a light pollution level.
10. The automatic monitoring system for the exhaust emission of the chemical production according to claim 9, wherein if the server receives a severe pollution level, the server notifies a corresponding chemical production area to modify the exhaust;
if the server receives the moderate pollution level, increasing the monitoring level of the chemical production area;
and if the server receives the light pollution level, informing the chemical production area to continuously keep the current exhaust emission state.
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