CN102313793A - Monitoring system of multi-component gas pollutants in air of chemical industrial park - Google Patents
Monitoring system of multi-component gas pollutants in air of chemical industrial park Download PDFInfo
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- CN102313793A CN102313793A CN201110263041A CN201110263041A CN102313793A CN 102313793 A CN102313793 A CN 102313793A CN 201110263041 A CN201110263041 A CN 201110263041A CN 201110263041 A CN201110263041 A CN 201110263041A CN 102313793 A CN102313793 A CN 102313793A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a monitoring system of multi-component gas pollutants in air of a chemical industrial park. The monitoring system comprises a PID sensor, an electrochemical sensor, a catalytic combustion sensor, a geographic information determination apparatus a signal conversion apparatus, a memory, a controller, an acousto-optic alarm apparatus, wherein the PID sensor, the electrochemical sensor, and the catalytic combustion sensor commonly form a part for frontal acquisition and detection of the pollutants of the monitoring system, and the part of the monitoring system is used for pollutant kind determination and parameter coupling analysis. The PID sensor comprises a gas acquisition device, a filtering device, and a photo-ionization sensor detection device; the electrochemical sensor comprises a gas acquisition device, a dedusting device, and an electrochemical sensor detector; and the catalytic combustion sensor detector comprises a gas acquisition device, a catalytic combustion sensor detector, and an outrange and reversed polarity protection device. The monitoring system also comprises the controller for statistics and analysis of detection results, and the acousto-optic alarm apparatus for alarm when the gas concentration in the pollutants exceeds a standard.
Description
Technical field
The present invention relates to a kind of supervisory system, relate in particular to the supervisory system of multicomponent gas pollutant in a kind of chemical industrial park air.
Background technology
The great environmental pollution incident of China frequently takes place in recent years, ecologic environment, people ' s health and social safety is produced have a strong impact on.Actual state from the current great environmental pollution incident generation of China; In conjunction with international environmental science technical development forward position; Research and development are fit to the great environmental pollution event-monitoring technological system of China's national situation; Be to promote the China environmental protection technical merit, advance an urgent demand of environmentally friendly social development.
Wherein, " monitoring of risk source " is primarily aimed at the typical pollutant in all previous great environmental pollution incident; The on-line monitoring equipment of monitor control index is satisfied in selection; Integrated on-line monitoring, data processing and transmission technology make up emphasis risk source dynamic monitoring platform, carry out the monitoring demonstration of different scales.
Along with human being's production and kind, the quantity of using chemicals constantly increase, a large amount of organic contaminants, hazardous contaminant get into environment, cause environmental pollution accident easily, and health that it is potential and ecological risk have become the focus that people pay close attention to.(volatile organic compounds VOCs) is defined as the effumability compound of boiling point saturated vapour pressure＞133.322Pa under 50～260 ℃, room temperature to volatile organic matter by the World Health Organization (WHO).Its principal ingredient is aliphatic hydrocarbon, aromatic hydrocarbon, halogenated hydrocarbons, oxygen hydrocarbon, nitrogen hydrocarbon, sulphur hydrocarbon and some aldehyde, ketone, ether, ester type compound, and part has been classified as carcinogenic substance (like benzene and vinyl chloride).
Toxic gases such as carbon monoxide, sulfuretted hydrogen, ammonia, chlorine, inflammable gass such as methane, chloromethanes, butane, hydrogen are widely used in industries such as oil, chemical industry, metallurgy, electric power.VOCs is the material that enterprises such as oil, chemical industry, pharmacy, printing, building materials, spraying often use and discharge.Be stressed that especially many VOCs have inflammable and explosive characteristic, these explosives, the article of revealing get into environment, will cause very big pollution to environment, and human life's property is caused heavy losses.Relevant enterprise if there is safety management hidden danger, very easily leads to great environmental pollution accident at storage, production and the transit link of these materials.Like the famous environmental pollution incident Maas river valley incident in the world; A large amount of full of smoke can't the diffusion in the sky, river valley of factories such as the manufacturing district coking of Maas river valley, steel-making, electric power, glass, zinc metallurgy, sulfuric acid, chemical fertilizer discharging, the harmful gas burden is near the limit of health risk.Just having people more than 60 dead in one week, is the same period more than ten times of the natural death number.India's Bhopal toxic gas leakage incident, a storage tank water inlet of this factory, violent chemical reaction takes place in the chemical raw material in jar, the storage tank blast, 41 tons of methyl isocyanates leak into the residential block, lead to chemical contamination incident the biggest in the world so far.
Summary of the invention
To above-mentioned situation; The present invention has designed and developed the supervisory system of multicomponent gas pollutant in a kind of chemical industrial park air; Variation tendency with gas pollutant in the air of timely discovery industrial park; Realize real-time collection, transmission, the memory function of gas pollutant Monitoring Data in the chemical industry garden air, realize the early warning and the supervision of environmental pollution.
For this reason, the invention discloses the supervisory system of multicomponent gas pollutant in a kind of chemical industrial park air, comprising: the gas collecting device of PID sensor, it is connected with said industrial park atmosphere, is used for intermittently gathering gas from atmosphere; Filtration unit is connected with said PID sensor gas collecting device, is used for the moisture of filtering gas sample; The optic ionized sensor pick-up unit, it is connected with said filtration unit, is used for the volatile organic contaminant behind the receiving filtration, and the volatile organic contaminant gas after after filtering is carried out detection by quantitative; Electrochemical sensor draw together the pump suction type gas collecting device, built-in powerful asepwirator pump is used for airborne gas is sucked gas collecting device; Dust arrester is connected with the gas collecting device of said electrochemical sensor, is used for filtering the removal dust in air; The electrochemical sensor detector is connected with said dust arrester, is used to receive the toxic gas after the dust removal process, and the toxic gas after the dedusting is carried out detection by quantitative; The gas collecting device of catalytic combustion sensor, pump suction type gas collecting mode is used for airborne gas is sent into harvester; The catalytic combustion sensor detecting instrument is connected with the gas collecting device of said catalytic combustion sensor, is used for the detection by quantitative inflammable gas; Outrange protection, reverse polarity protection's device are connected with said catalytic combustion sensor detecting instrument, are used to monitor the device of protecting instrument when gaseous contamination substrate concentration no to scale, additional power source voltage and setting voltage do not match; PID sensor, electrochemical sensor, catalytic combustion sensor have constituted the front end pollutant acquisition testing part of the supervisory system of multicomponent gas pollutant jointly, and the pollutant kind that is used for supervisory system is confirmed and each parameter coupling analysis; Geography information is confirmed device, and it links to each other with said each gas collecting device, is used to measure said gas collecting device when carrying out the gas collecting operation, residing geographical location information; Chromacoder is used for testing result is carried out conversion of signals and wireless mode data transmission; Storer, it is connected with chromacoder, is used to store the security value (s) scope of each component gas pollutant, and the detection history data that store the airborne gas pollutant in industrial park that each position, control point collects; Controller; It is connected with said gas collecting device, storer; Be used to set the frequency acquisition of gas collecting device; And the data of the contaminant gases that is used for sensor detecting instrument is detected compare with the security value (s) scope of storer, and according to comparative result, adjust the frequency acquisition of gas collecting device at diverse geographic location; Warning device; It is connected with said controller; The detection data that are used to show and write down every detector with trigger the situation of reporting to the police, when the gaseous contamination substrate concentration that monitors has surpassed the environmental threshold value of setting, warning device will send light signal and report to the police with the sound of ringing.
Preferably; In the air of described industrial park in the supervisory system of multicomponent gas pollutant; Also comprise: risk mapping module, it is connected with said storer and with said controller, the detection history data of the airborne gas pollutant in garden that each geographic position, position, control point that is used for storing according to said storer collects; Under the control of controller, draw the testing result risk map of gas pollutant in each position, control point air of garden.
Preferably; In the supervisory system of multicomponent gas pollutant, also comprise in the air of described industrial park: the trend analysis module, it links to each other with said risk mapping module; Information such as Monitoring Data according to qualitative or quantitative collection; Carry out the pollution tendencies performance analysis, and in the GIS map, form dynamically deduction diffusion model, prediction contamination situation.Simultaneously, all gases pollutant monitoring data, meteorological data, dangerous matter sources quantity that system can in time pass back through the scene are carried out dynamic calibration, for decision-making provides auxiliary reference.
Preferably; In the air of described industrial park in the supervisory system of multicomponent gas pollutant; Also comprise: the report generation module, it links to each other with said trend analysis module, is used for the gas pollutant concentration information with sensor type, position, control point information, collection; The secure threshold of historical data, real time data, warning, the pollutant levels key message such as rank that exceeds standard generates report, supplies supvr's reference.
Preferably, transmit module, it links to each other with said report generation module, and the report that is used for generating passes to Surveillance center.
Preferably, in the supervisory system of multicomponent gas pollutant, said key message is a keyword in the air of described industrial park.
Preferably, in the supervisory system of multicomponent gas pollutant, said key message is in the process of said report generation, according to the special symbol of the regular institute mark of setting in the air of described industrial park.
Preferably, said special symbol is the corresponding icon of sensor detecting instrument that adopts according to Different Rule.
Preferably, in the supervisory system of multicomponent gas pollutant, the rule of said setting is to select inhomogeneous sensor detecting instrument for use according to the air of the different conditions of diverse geographic location in the air of described industrial park.
Preferably, in the supervisory system of multicomponent gas pollutant, the air of said different conditions comprises the air in chemical industry garden air and chemical industrial park peripheral buffer territory in the air of described industrial park.
Preferably, in the supervisory system of multicomponent gas pollutant, said transmission module is the wireless signal transfer device in the air of described industrial park.
Embodiment
Do further detailed description in the face of the present invention down, can implement according to this with reference to the instructions literal to make those skilled in the art.
The present invention provides the supervisory system of multicomponent gas pollutant in a kind of chemical industrial park air, comprising: the gas collecting device of PID sensor, and it is connected with said industrial park atmosphere, is used for intermittently gathering gas from atmosphere; Filtration unit is connected with said PID sensor gas collecting device, is used for the moisture of filtering gas sample; The optic ionized sensor pick-up unit, it is connected with said filtration unit, is used for the volatile organic contaminant behind the receiving filtration, and the volatile organic contaminant gas after after filtering is carried out detection by quantitative; Electrochemical sensor draw together the pump suction type gas collecting device, built-in powerful asepwirator pump is used for airborne gas is sucked gas collecting device; Dust arrester is connected with the gas collecting device of said electrochemical sensor, is used for filtering the removal dust in air; The electrochemical sensor detector is connected with said dust arrester, is used to receive the toxic gas after the dust removal process, and the toxic gas after the dedusting is carried out detection by quantitative; The gas collecting device of catalytic combustion sensor, pump suction type gas collecting mode is used for airborne gas is sent into harvester; The catalytic combustion sensor detecting instrument is connected with the gas collecting device of said catalytic combustion sensor, is used for the detection by quantitative inflammable gas; Outrange protection, reverse polarity protection's device are connected with said catalytic combustion sensor detecting instrument, are used to monitor the device of protecting instrument when gaseous contamination substrate concentration no to scale, additional power source voltage and setting voltage do not match; PID sensor, electrochemical sensor, catalytic combustion sensor have constituted the front end pollutant acquisition testing part of multicomponent gas pollutant supervisory system jointly, and the pollutant kind that is used for supervisory system is confirmed and each parameter coupling analysis.Geography information is confirmed device, and it links to each other with said gas collecting device, is used to measure said gas collecting device when carrying out the gas collecting operation, residing geographical location information.
Foregoing is to the collection of gas with to the measurement of chemical industrial park gas pollutant.The collection and the geography information of gas are confirmed to combine, help realizing the automatic analysis of collection result and testing result.And through geography information and gas enquiry data in advance in the actual state in this geographic position; Under the situation of the geography information of having confirmed the gas of getting, just can confirm air state here, for example; The air here is the air of high risk area; The air of chemical enterprise periphery in the industrial park for example, or the air of buffer area, for example chemical industrial park ambient air; According to the air of different kinds, have different pollutant canonical parameter scopes so, have different corresponding detecting instruments.
Chromacoder is used for testing result is carried out conversion of signals and wireless mode data transmission; Storer, it is connected with chromacoder, is used to store the security value (s) scope of each component gas pollutant, and the detection history data that store the airborne gas pollutant in industrial park that each position, control point collects; Controller; It is connected with said gas collecting device, storer; Be used to set the frequency acquisition of gas collecting device; And the data of the contaminant gases that is used for sensor detecting instrument is detected compare with the security value (s) scope of storer, and according to comparative result, adjust the frequency acquisition of gas collecting device at diverse geographic location; Risk mapping module; It is connected with said storer and with said controller; The detection history data of the airborne gas pollutant in garden that each geographic position, position, control point that is used for storing according to said storer collects; Under the control of controller, draw the testing result risk map of gas pollutant in each position, control point air of garden; The trend analysis module, it links to each other with said risk mapping module, according to the information such as Monitoring Data of qualitative or quantitative collection, carries out the pollution tendencies performance analysis, and in the GIS map, forms dynamically deduction diffusion model, prediction contamination situation.Simultaneously, all gases pollutant monitoring data, meteorological data, dangerous matter sources quantity that system can in time pass back through the scene are carried out dynamic calibration, for decision-making provides auxiliary reference.
Foregoing is the explanation to pollutant detects and the early warning control procedure is carried out.Chromacoder can be changed the standard analog output signal of many sensors simultaneously; Through digital IO port sensor is controlled and managed; In the on-the-spot realization of data acquisition data acquisition, processing and report demonstration and printing, also can pass through multiple communication modes such as telephone wire, gsm wireless communication network or LAN and be connected with the visual platform of monitoring.Controller is according to the frequency acquisition of the gas collecting device of the detection data of pollutant adjustment diverse location, for detecting the contiguous high-risk value of data, improves frequency acquisition, for detecting data away from high-risk value, reduces frequency acquisition.The qualitative detection of pollutant mainly is meant the extent of injury of detection of contamination, and detection by quantitative mainly is meant the content of detection of contamination.Risk mapping module, trend analysis module can be analyzed the variation tendency of pollutant through considering Gauss's cigarette group diffusion model of pollutant blast, and this variation tendency is not only the independent vertical historical data variation trend that detects in certain geographic position; Also comprise horizontal change trend between each geographic position; For example, for the comparison of the detection data of whole garden diverse geographic location, according to the variation of data; Analyze the possible position of pollution source, and possible development trend.
In the air of described industrial park in the supervisory system of multicomponent gas pollutant; Also comprise: the report generation module; Be used for the gas pollutant concentration information with sensor type, position, control point information, collection, the secure threshold of historical data, real time data, warning, the pollutant levels key message such as rank that exceeds standard generates report.
In the monitoring system of multicomponent gas pollutant, also comprise in the air of described industrial park: transmit module, it links to each other with said report generation module, and the report that is used for generating passes to Surveillance center.
In the supervisory system of multicomponent gas pollutant, the key message in the said report generative process is a keyword in the air of described industrial park.For example, some have the keyword of distinguishing meaning, can correspond to the different detection instrument.Said key message is in the process of said report generation, according to the special symbol of the regular institute mark of setting.And described rule is selected inhomogeneous sensor detecting instrument for use for the air according to the different conditions of diverse geographic location.The air of said different conditions comprises the air in chemical industry garden air and chemical industrial park peripheral buffer territory.
Said transmission module is the wireless signal transfer device, and the signal that each sensor detecting instrument collects is transferred to visual control platform through GPRS network, at the control platform gas pollutant is monitored in real time.Said warning device is an acoustic-optic alarm; Warning device, it is connected with said controller, is used to show and write down the detection data and the situation that triggers warning of every detector; So that gas pollutant concentration over-standard in the air is reported to the police; When monitoring numerical value exceeds alarm threshold value/dynamic threshold because of contamination accident, send superscalar data and report to the police, the warning employing sound that wherein exceeds standard, two kinds of prompting modes of light, alert levels is corresponding to characteristic pollutant hazard level.
Although embodiment of the present invention are open as above; But it is not restricted to listed utilization in instructions and the embodiment; It can be applied to various suitable the field of the invention fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (10)
1. the supervisory system of multicomponent gas pollutant in the industrial park air is characterized in that, comprising:
The gas collecting device of PID sensor, it is connected with said industrial park atmosphere, is used for intermittently gathering gas from atmosphere;
Filtration unit is connected with said PID sensor gas collecting device, is used for the moisture of filtering gas sample;
The optic ionized sensor pick-up unit, it is connected with said filtration unit, is used for the volatile organic contaminant behind the receiving filtration, and the volatile organic contaminant gas after after filtering is carried out detection by quantitative;
Electrochemical sensor draw together the pump suction type gas collecting device, built-in powerful asepwirator pump is used for airborne gas is sucked gas collecting device;
Dust arrester is connected with the gas collecting device of said electrochemical sensor, is used for filtering the removal dust in air;
The electrochemical sensor detector is connected with said dust arrester, is used to receive the toxic gas after the dust removal process, and the toxic gas after the dedusting is carried out detection by quantitative;
The gas collecting device of catalytic combustion sensor, pump suction type gas collecting mode is used for airborne gas is sent into harvester;
The catalytic combustion sensor detecting instrument is connected with the gas collecting device of said catalytic combustion sensor, is used for the detection by quantitative inflammable gas;
Outrange protection, reverse polarity protection's device are connected with said catalytic combustion sensor detecting instrument, are used to monitor the device of protecting instrument when gaseous contamination substrate concentration no to scale, additional power source voltage and setting voltage do not match;
PID sensor, electrochemical sensor, catalytic combustion sensor have constituted the front end pollutant acquisition testing part of the supervisory system of multicomponent gas pollutant jointly, and the pollutant kind that is used for supervisory system is confirmed and each parameter coupling analysis;
Geography information is confirmed device, and it links to each other with said each gas collecting device, is used to measure said gas collecting device when carrying out the gas collecting operation, residing geographical location information;
Chromacoder is used for testing result is carried out conversion of signals and wireless mode data transmission;
Storer, it is connected with chromacoder, is used to store the security value (s) scope of each component gas pollutant, and the detection history data that store the airborne gas pollutant in industrial park that each position, control point collects;
Controller; It is connected with said each gas collecting device, storer; Be used to set the frequency acquisition of gas collecting device; And the data of the contaminant gases that is used for sensor detecting instrument is detected compare with the security value (s) scope of storer, and according to comparative result, adjust the frequency acquisition of gas collecting device at diverse geographic location;
Warning device; It is connected with said controller; The detection data that are used to show and write down every detector with trigger the situation of reporting to the police, so that gas pollutant concentration over-standard in the air is in time reported to the police, and can the very first time make science and foundation accurately for emergent decision-making.
2. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 1, also comprises:
Risk mapping module; It is connected with said storer and with said controller; The detection history data of the airborne gas pollutant in garden that each geographic position, position, control point that is used for storing according to said storer collects; Under the control of controller, draw the testing result risk map of gas pollutant in each position, control point air of garden.
3. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 2, also comprises:
The trend analysis module, it links to each other with said risk mapping module, according to the information such as Monitoring Data of qualitative or quantitative collection, carries out the pollution tendencies performance analysis, and in the GIS map, forms dynamically deduction diffusion model, prediction contamination situation.Simultaneously, all gases pollutant monitoring data, meteorological data, dangerous matter sources quantity that system can in time pass back through the scene are carried out dynamic calibration, for decision-making provides auxiliary reference.
4. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 2, also comprises:
The report generation module; It links to each other with said trend analysis module; Be used for gas pollutant concentration information with sensor type, position, control point information, collection; The secure threshold of historical data, real time data, warning, the pollutant levels key message such as rank that exceeds standard generates report, supplies supvr's reference.
5. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 2, also comprises:
Transmit module, it links to each other with said report generation module, and the report that is used for generating passes to Surveillance center.
6. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 4, and said key message is a keyword.
7. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 4, and said key message is in the process of said report generation, according to the special symbol of the regular institute mark of setting.
8. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 7, and said special symbol is the corresponding icon of sensor detecting instrument that adopts according to Different Rule.
9. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 7, and the rule of said setting is to select different types of sensor detecting instrument for use according to the air of the different conditions of diverse geographic location.
10. the supervisory system of multicomponent gas pollutant is characterized in that in the air of industrial park as claimed in claim 8, and the air of said different conditions comprises the buffer area air of industrial park air and chemical industrial park periphery.
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