CN102313793B - 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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- CN102313793B CN102313793B CN201110263041.6A CN201110263041A CN102313793B CN 102313793 B CN102313793 B CN 102313793B CN 201110263041 A CN201110263041 A CN 201110263041A CN 102313793 B CN102313793 B CN 102313793B
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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 a kind of supervisory system of multi-component gas pollutants in air of chemical industrial park.
Background technology
The great environmental pollution accident of China in recent years particularly chemical industry and heavy chemical industry environmental pollution accident frequently occurs, environmentally safe constituting a serious threat.Environment risk source is carried out to monitoring, can effectively manage risk, tackle better Sudden Environmental Pollution Accident.
Along with human being's production and kind, the quantity of use chemicals constantly increase, a large amount of organic contaminants, hazardous contaminant entered environment, easily environmental pollution accident.Volatile organic matter (volatile organic compounds, VOCs) is defined as the effumability compound of boiling point saturated vapour pressure > 133.322Pa under 50～260 ℃, room temperature 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 listed in carcinogenic substance (as benzene and vinyl chloride).
The toxic gases such as carbon monoxide, sulfuretted hydrogen, ammonia, chlorine, the inflammable gass such as methane, chloromethanes, butane, hydrogen are widely used in the industries such as oil, chemical industry, metallurgy, electric power.Be stressed that especially, many VOCs have inflammable and explosive characteristic, and these explosives, leakage product entered environment, by environment being caused to very large pollution, cause heavy losses to human life's property.As the Environment Pollution Event Maas river valley event of world-famous, a large amount of full of smoke cannot the diffusion in overhead, river valley of factory's discharges such as the manufacturing district coking of Maas river valley, steel-making, electric power, glass, zinc metallurgy, sulfuric acid, chemical fertilizer, harmful gas burden approaches the limit of health risk.The storage tank blast of the disaster of Indian Bhopal poison gas divulges ，Gai factory, 41 tons of methyl isocyanates leak into residential block, lead to so far chemical contamination event the biggest in the world.
Summary of the invention
For above-mentioned situation, the present invention has designed and developed a kind of supervisory system of multi-component gas pollutants in air of chemical industrial park, to find in time the variation tendency of gas pollutant in the air of industrial park, realize Real-time Collection, transmission, the memory function of gas pollutant Monitoring Data in chemical industry garden air, realize early warning and the supervision of environmental pollution.
For this reason, the invention discloses a kind of supervisory system of multi-component gas pollutants in air of chemical industrial park, comprising: the gas collecting device of PID sensor, it is connected with described industrial park atmosphere, for intermittently gathering gas from atmosphere; Filtration unit, is connected with described PID sensor gas collecting device, for the moisture of filtering gas sample; Optic ionized sensor pick-up unit, it is connected with described filtration unit, for the volatile organic contaminant after receiving filtration, and the volatile organic contaminant gas after after filtering is quantitatively detected; Electrochemical sensor draw together pump suction gas harvester, built-in powerful asepwirator pump, for sucking gas collecting device by airborne gas; Dust arrester, is connected with the gas collecting device of described electrochemical sensor, for filtering, removes airborne dust; Electrochemical sensor detector, is connected with described dust arrester, for receiving the toxic gas after dust removal process, and the toxic gas after dedusting is quantitatively detected; The gas collecting device of catalytic combustion sensor, pump suction gas acquisition mode, for sending airborne gas into harvester; Catalytic combustion sensor detecting instrument, is connected with the gas collecting device of described catalytic combustion sensor, for quantitatively detecting inflammable gas; Outrange protection, reversed polarity protection device, be connected with described catalytic combustion sensor detecting instrument, protects the device of instrument while not mating with setting voltage for gas-monitoring pollutant levels no to scale, additional power source voltage; PID sensor, electrochemical sensor, catalytic combustion sensor have formed the front end pollutant acquisition testing part of the supervisory system of multicomponent gas pollutant jointly, for the pollutant kind of supervisory system, determine and each parameter coupling analysis; Geography information determining device, it is connected with described each gas collecting device, for measuring described gas collecting device when carrying out gas collecting operation, residing geographical location information; Chromacoder, for carrying out signal conversion and wireless mode data transmission to testing result; Storer, it is connected with chromacoder, for storing 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 described gas collecting device, storer, for setting the frequency acquisition of gas collecting device, and compare for the data of contaminant gases and the security value (s) scope of storer that sensor detecting instrument is detected, and according to comparative result, adjust gas collecting device at the frequency acquisition of diverse geographic location; Warning device, it is connected with described controller, for showing and recording the detection data of every detector and the situation of trigger alarm, when the gaseous contamination substrate concentration monitoring has surpassed the environmental threshold value of setting, warning device will send light signal and ring sound is reported to the police.
Preferably, in described industrial park air in the supervisory system of multicomponent gas pollutant, also comprise: risk mapping module, it is connected with described storer and with described controller, the detection history data of the airborne gas pollutant in garden collecting for each geographic position, position, control point of storing according to described storer, under the control of controller, draw the testing result risk map of gas pollutant in each position, control point air of garden.
Preferably, in described industrial park air in the supervisory system of multicomponent gas pollutant, also comprise: trend analysis module, it is connected with described risk mapping module, according to the information such as Monitoring Data of qualitative or quantitative collection, carry out pollution tendencies performance analysis, and in GIS map, form dynamically deduction diffusion model, prediction contamination situation.Meanwhile, various gas pollutant Monitoring Data, meteorological data, dangerous matter sources quantity that system can be passed back in time by scene, carry out dynamic calibration, for decision-making provides auxiliary reference.
Preferably, in described industrial park air in the supervisory system of multicomponent gas pollutant, also comprise: report generation module, it is connected with described trend analysis module, be used for the gas pollutant concentration information of 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, for supvr's reference.
Preferably, transmit module, it is connected with described report generation module, for by the report Chuan Di Give Surveillance center of generation.
Preferably, in described industrial park air, in the supervisory system of multicomponent gas pollutant, described key message is keyword.
Preferably, in described industrial park air in the supervisory system of multicomponent gas pollutant, in the process that described key message is described report generation, according to the special symbol of the regular institute mark of setting.
Preferably, described special symbol is icon corresponding to sensor detecting instrument adopting according to Different Rule.
Preferably, in described industrial park air, in the supervisory system of multicomponent gas pollutant, the rule of described setting is for to select inhomogeneous sensor detecting instrument according to the air of the different conditions of diverse geographic location.
Preferably, in described industrial park air, in the supervisory system of multicomponent gas pollutant, the air of described different conditions comprises the air in chemical industry garden air and peripheral buffer territory, chemical industrial park.
Preferably, in described industrial park air, in the supervisory system of multicomponent gas pollutant, described transmission module is wireless signal transfer device.
Embodiment
Below the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to instructions word.
The supervisory system that the invention provides a kind of multi-component gas pollutants in air of chemical industrial park, comprising: the gas collecting device of PID sensor, and it is connected with described industrial park atmosphere, for intermittently gathering gas from atmosphere; Filtration unit, is connected with described PID sensor gas collecting device, for the moisture of filtering gas sample; Optic ionized sensor pick-up unit, it is connected with described filtration unit, for the volatile organic contaminant after receiving filtration, and the volatile organic contaminant gas after after filtering is quantitatively detected; Electrochemical sensor draw together pump suction gas harvester, built-in powerful asepwirator pump, for sucking gas collecting device by airborne gas; Dust arrester, is connected with the gas collecting device of described electrochemical sensor, for filtering, removes airborne dust; Electrochemical sensor detector, is connected with described dust arrester, for receiving the toxic gas after dust removal process, and the toxic gas after dedusting is quantitatively detected; The gas collecting device of catalytic combustion sensor, pump suction gas acquisition mode, for sending airborne gas into harvester; Catalytic combustion sensor detecting instrument, is connected with the gas collecting device of described catalytic combustion sensor, for quantitatively detecting inflammable gas; Outrange protection, reversed polarity protection device, be connected with described catalytic combustion sensor detecting instrument, protects the device of instrument while not mating with setting voltage for gas-monitoring pollutant levels no to scale, additional power source voltage; PID sensor, electrochemical sensor, catalytic combustion sensor have formed the front end pollutant acquisition testing part of multicomponent gas pollutant supervisory system jointly, for the pollutant kind of supervisory system, determine and each parameter coupling analysis.Geography information determining device, it is connected with described gas collecting device, for measuring described gas collecting device when carrying out gas collecting operation, residing geographical location information.
Foregoing is to the collection of gas and the measurement to chemical industrial park gas pollutant.The collection of gas and geography information are determined and combined, be conducive to realize the automatic analysis of collection result and testing result.And by geography information and gas the enquiry data in advance in the actual state in this geographic position, in the situation that determined the geography information of the gas of getting, just can determine the state of air herein, for example, air is herein the air of high risk area, the for example air of chemical enterprise periphery in industrial park, 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, for carrying out signal conversion and wireless mode data transmission to testing result; Storer, it is connected with chromacoder, for storing 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 described gas collecting device, storer, for setting the frequency acquisition of gas collecting device, and compare for the data of contaminant gases and the security value (s) scope of storer that sensor detecting instrument is detected, and according to comparative result, adjust gas collecting device at the frequency acquisition of diverse geographic location; Risk mapping module, it is connected with described storer and with described controller, the detection history data of the airborne gas pollutant in garden collecting for each geographic position, position, control point of storing according to described storer, under the control of controller, draw the testing result risk map of gas pollutant in each position, control point air of garden; Trend analysis module, it is connected with described risk mapping module, according to the information such as Monitoring Data of qualitative or quantitative collection, carries out pollution tendencies performance analysis, and in GIS map, forms dynamically deduction diffusion model, prediction contamination situation.Meanwhile, various gas pollutant Monitoring Data, meteorological data, dangerous matter sources quantity that system can be passed back in time by scene, carry out dynamic calibration, for decision-making provides auxiliary reference.
Foregoing is the explanation that pollutant monitoring and forewarn process are carried out.Chromacoder can be changed the standard analog output signal of many sensors simultaneously, by digital IO port, sensor is carried out to control and management, at data acquisition scene, realize data sampling and processing and report and show and print, also can be connected with monitoring Visualization Platform by multiple communication modes such as telephone wire, gsm wireless communication network or LAN (Local Area Network).Controller is adjusted the frequency acquisition of the gas collecting device of diverse location according to the detection data of pollutant, for detecting data contiguous high-risk-values, improve frequency acquisition, for detecting data away from high-risk-value, reduces frequency acquisition.The qualitative detection of pollutant is mainly referred to the extent of injury of detection of contamination, and quantitative detection mainly refers to the content of detection of contamination.Risk mapping module, trend analysis module can be by considering the Gauss puff diffusion model of pollutant blast, analyze the variation tendency of pollutant, this variation tendency is not only the independent longitudinal 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 described industrial park air in the supervisory system of multicomponent gas pollutant, also comprise: report generation module, for by the gas pollutant concentration information of sensor type, position, control point information, collection, the secure threshold of historical data, real time data, warning, the pollutant levels key messages such as rank that exceed standard generate report.
In described industrial park air, in the supervisory system of multicomponent gas pollutant, also comprise: transmit module, it is connected with described report generation module, for by the report Chuan Di Give Surveillance center of generation.
In described industrial park air, in the supervisory system of multicomponent gas pollutant, the key message in described report generation process is keyword.For example, some have the keyword of distinguishing meaning, can correspond to different detecting instruments.Described key message is in the process of described report generation, according to the special symbol of the regular institute mark of setting.And described rule is for to select inhomogeneous sensor detecting instrument according to the air of the different conditions of diverse geographic location.The air of described different conditions comprises the air in chemical industry garden air and peripheral buffer territory, chemical industrial park.
Described transmission module is wireless signal transfer device, and the signal that each sensor detecting instrument collects is transferred to visual control platform by GPRS network, at control platform, gas pollutant is monitored in real time.Described warning device is acoustic-optic alarm, warning device, it is connected with described controller, be used for showing and recording the detection data of every detector and the situation of trigger alarm, so that gas pollutant concentration over-standard in 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 feature hazard of contaminant rank.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (10)
1. a supervisory system for multicomponent gas pollutant in chemical industry garden air, is characterized in that, comprising:
The gas collecting device of PID sensor, it is connected with described chemical industry garden atmosphere, for intermittently gathering gas from atmosphere;
Filtration unit, is connected with described PID sensor gas collecting device, for the moisture of filtering gas sample;
Optic ionized sensor pick-up unit, it is connected with described filtration unit, for the volatile organic contaminant after receiving filtration, and the volatile organic contaminant gas after filtering is quantitatively detected;
Electrochemical sensor draw together pump suction gas harvester, built-in powerful asepwirator pump, for sucking gas collecting device by airborne gas;
Dust arrester, is connected with the gas collecting device of described electrochemical sensor, for filtering, removes airborne dust;
Electrochemical sensor detector, is connected with described dust arrester, for receiving the toxic gas after dust removal process, and the toxic gas after dedusting is quantitatively detected;
The gas collecting device of catalytic combustion sensor, pump suction gas acquisition mode, for sending airborne gas into harvester;
Catalytic combustion sensor detecting instrument, is connected with the gas collecting device of described catalytic combustion sensor, for quantitatively detecting inflammable gas;
Outrange protection, reversed polarity protection device, be connected with described catalytic combustion sensor detecting instrument, protects the device of instrument while not mating with setting voltage for gas-monitoring pollutant levels no to scale, additional power source voltage;
PID sensor, electrochemical sensor, catalytic combustion sensor have formed the front end pollutant acquisition testing part of the supervisory system of multicomponent gas pollutant jointly, for the pollutant kind of supervisory system, determine and each parameter coupling analysis;
Geography information determining device, it is connected with described each gas collecting device, for measuring described gas collecting device when carrying out gas collecting operation, residing geographical location information;
Chromacoder, for carrying out signal conversion and wireless mode data transmission to testing result;
Storer, it is connected with chromacoder, for storing the security value (s) scope of each component gas pollutant, and the detection history data that store the airborne gas pollutant in chemical industry garden that each position, control point collects;
Controller, it is connected with described each gas collecting device, storer, for setting the frequency acquisition of gas collecting device, and compare for the data of contaminant gases and the security value (s) scope of storer that sensor detecting instrument is detected, and according to comparative result, adjust gas collecting device at the frequency acquisition of diverse geographic location;
Warning device, it is connected with described controller, for showing and record the detection data of every detector and the situation of trigger alarm, so that gas pollutant concentration over-standard in air is carried out and alarm, and can the very first time make science and foundation accurately for emergent decision-making.
2. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 1 garden air, is characterized in that, also comprises:
Risk mapping module, it is connected with described storer and with described controller, the detection history data of the airborne gas pollutant in garden collecting for each geographic position, position, control point of storing according to described storer, 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 in chemical industry as claimed in claim 2 garden air, is characterized in that, also comprises:
Trend analysis module, it is connected with described risk mapping module, according to the Monitoring Data information of qualitative or quantitative collection, carries out pollution tendencies performance analysis, and in GIS map, forms dynamically deduction diffusion model, prediction contamination situation; Meanwhile, various gas pollutant Monitoring Data, meteorological data, dangerous matter sources quantity that system can be passed back in time by scene, carry out dynamic calibration, for decision-making provides auxiliary reference.
4. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 3 garden air, is characterized in that, also comprises:
Report generation module, it is connected with described trend analysis module, be used for the gas pollutant concentration information of sensor type, position, control point information, collection, the secure threshold of historical data, real time data, warning, pollutant levels other key message of level that exceeds standard generates report, for supvr's reference.
5. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 4 garden air, is characterized in that, also comprises:
Transmit module, it is connected with described report generation module, for the report of generation is passed to Surveillance center.
6. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 4 garden air, is characterized in that, described key message is keyword.
7. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 4 garden air, is characterized in that, in the process that described key message is described report generation, according to the special symbol of the regular institute mark of setting.
8. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 7 garden air, is characterized in that, described special symbol is icon corresponding to sensor detecting instrument adopting according to Different Rule.
9. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 7 garden air, is characterized in that, the rule of described setting is for to select different types of sensor detecting instrument according to the air of the different conditions of diverse geographic location.
10. the supervisory system of multicomponent gas pollutant in chemical industry as claimed in claim 9 garden air, is characterized in that, the air of described different conditions comprises the buffer area air of chemical industry garden air and chemical industry garden periphery.
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