CN104502550A - Continuous online detection system for plurality of types of pollution gas - Google Patents
Continuous online detection system for plurality of types of pollution gas Download PDFInfo
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- CN104502550A CN104502550A CN201510027891.4A CN201510027891A CN104502550A CN 104502550 A CN104502550 A CN 104502550A CN 201510027891 A CN201510027891 A CN 201510027891A CN 104502550 A CN104502550 A CN 104502550A
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Abstract
The invention provides a continuous online detection system for a plurality of types of pollution gas, aiming at solving the problems that an existing gas detection device or system cannot meet the requirements in some fields with higher environment requirements. The continuous online detection system comprises a server side (1) and a monitoring end (2), which are in wireless or wired communication, wherein the server side (1) is used for carrying out data receiving and sending alarming control information according to the received data. The continuous online detection system is characterized in that the monitoring end (2) comprises a qualitative detection device (3), a quantitative detection device (4), a detection result transmission unit (5) and an alarming unit (6); the qualitative detection device (3) comprises a pollution gas sampling unit (10), a pollution gas distribution unit (20), a pollution gas detection unit (30) and a pollution gas treating unit (40). By the aid of the continuous online detection system, the effect of carrying out continuous online detection on the pollution has is ensured; compared with timing sampling and the like in the prior art, the instantaneity and the accuracy of the online detection are greatly improved.
Description
Technical field
The present invention relates to environmental monitoring field, more specifically, relate to a kind of continuous on-line detection system of the multiple dusty gas for environmental pollution monitoring.
Background technology
On the one hand, environmental pollution has become the problem that world community is paid close attention to jointly.Pollutant in air or biological chemistry action can affect in environment the facilities and equipment being in normal running running status or accumulating state, such as: industrial process detection and opertaing device, important infrastructure etc.Therefore, " environmental baseline---the atmosphere pollution of ANSIISA-S71.04 process detection and control system " standard is classified and classification to the pollutant in atmospheric environment.In standard, air fluid contaminants, large gas-solid pollutant, Gaseous Pollutants and a few class of biotic influence are divided into pollutant normality in the environment.Various pollutant has by solubility height or just divides different brackets again to certain metal attack speed.China, in current evolution, just encounters the with serious pollution stem reality of haze.
On the other hand, along with the development of China environmental protection cause, in the urgent need to accelerating the construction of national environmental management base power, improve production and the competitiveness of environment supervision instrument simultaneously.Can play an important role in the on-line testing that environment supervision instrument is enforced the law in environmental monitoring, industrial and mining enterprises' pollution control, site environment monitoring etc., can solve the problems such as fake and inferior commodities, food security, environmental monitoring management, be ensure the industries such as industry and commerce, quality supervision, environment, agricultural, grain, geology, chemical industry, the powerful that field is accurate, just, Efficient Operation is indispensable.
Along with greatly developing of China's industry, atmospheric pollution situation in city is more and more serious, the material that sulphuric dioxide in air, nitrogen monoxide, flue dust etc. are harmful to the person gets more and more, and therefore just seems very important to the monitor and forecast of the multiple dusty gas discharge capacity of factory, enterprise.And existing gas-detecting device or system are unsuitable for sample detection continuously, and are in most cases timing sampling or carry out sample detecting according to instruction, this device or system just cannot satisfy the demands for some occasion higher to environmental requirement.
Summary of the invention
In order to overcome the above-mentioned weak point of prior art, the invention provides the continuous on-line detection system of one kind of multiple dusty gass, comprise the server end (1) and monitoring client (2) that carry out wireless or wire communication, described server end (1) also carries out the transmission of controlling alarm information according to the data received for carrying out data receiver, it is characterized in that, described monitoring client (2) comprises qualitative detection device (3), quantitative testing device (4), testing result transmission unit (5) and alarm unit (6), described qualitative detection device (3) comprising: dusty gas sample injection unit (10), dusty gas allocation units (20), dusty gas detecting unit (30) and dusty gas processing unit (40),
Described dusty gas sample injection unit (10) to be gone forward side by side trip temperature and humidity regulation for drawing dusty gas sample, and cleans described dusty gas allocation units (20);
Described dusty gas allocation units (20) are for distributing to each dusty gas detecting unit (30) by dusty gas sample, by continuously but not be periodically transferred to dusty gas detecting unit (30), thus the continuous on-line detection to multiple dusty gas can be realized to make dusty gas;
Described dusty gas detecting unit (30) comprises multiple gases sensor, and for detecting the presence or absence of dusty gas and determining the kind of dusty gas, often kind of gas sensor all has many groups, and each group of often kind of gas sensor recycles;
Described dusty gas processing unit (40) is for purifying contaminated gas sample;
Described server end (1) determines whether to open quantitative testing device (4) according to the testing result of described dusty gas detecting unit (30);
Described quantitative testing device (4) comprises chromatograph, and described chromatograph is for the composition that detects dusty gas and have and content;
Described testing result transmission unit (5) is transferred to server end (1) for the data that dusty gas detecting unit (30) is detected, or the data that dusty gas detecting unit (30) and chromatograph detect are transferred to server end (1);
Described alarm unit (6) is reported to the police for the controlling alarm information sent according to server end (1).
Further, described dusty gas sample injection unit (10) comprising: sample introduction probe (11), controlled temperature cabinet (12), drying tube (13), controller (14), solenoid valve (15) and the first gas-holder (16);
Described sample introduction probe (11), draws multiple dusty gas for stretching into region to be measured; Multiple dusty gas after absorption sends into drying tube (13) through described controlled temperature cabinet (12);
Described controlled temperature cabinet (12) is for raising or reducing the temperature that the first gas-holder (16) enters the gas of drying tube (13);
The gas that described drying tube (13) discharges for the described controlled temperature cabinet of drying (12);
Described controller (14), for described controlled temperature cabinet (12) and described solenoid valve (15) sending controling instruction;
Described solenoid valve (15) is positioned between described controller (14) and described sample introduction probe (11), for controlling the release of the interior gas of described first gas-holder (16);
Described first gas-holder (16) pop one's head in described sample introduction (11) be connected, for loading inert gas, with dusty gas allocation units (20) described in purge.
Further, described dusty gas allocation units (20) comprising: sampling pump (21), the second gas-holder (22), with the distribution cavity (23) of an air intake opening and multiple gas outlet and adsorption tube (24);
Described sampling pump (21) is connected with described dusty gas sample injection unit (10), for dusty gas sample is mixed with the inert gas in the second gas-holder (22) and pressurizeed, then pump into the air intake opening of distribution cavity (23); Described multiple gas outlet is connected respectively to multiple gas sensor and adsorption tube (24), described multiple gas outlet be used for for gas sensor provides continuous and the non-timed input gas, described adsorption tube (24) continuously enters each sensor for the gas enabling sampling pump (21) and pump into, and dusty gas sample is sent into described second gas-holder (22), thus the continuous on-line detection realized multiple dusty gas, ensure the impact that distribution cavity is not stressed and continuous print dusty gas sample cannot be pumped into; One end of described adsorption tube (24) is communicated with a gas outlet of distribution cavity (23), and the other end is communicated with dusty gas processing unit (40).
Further, described dusty gas detecting unit (30) comprises at least one in SO 2 sensor, bioxin sensor, carbon monoxide transducer, nitric oxide sensor, ammonia gas sensor and hydrogen sulfide sensor.
Further, described sample introduction probe (11) comprises the filter screen filtering visible solid particle further.
Further, described controlled temperature cabinet (12) comprises controlled temperature cabinet outer wall (121), controlled temperature cabinet inwall (122), insulation material (123), temperature sensor (124), heating tube (125) and water cooling tube (126);
Described insulation material (123), is positioned between described controlled temperature cabinet outer wall (121) and described controlled temperature cabinet inwall (122), for keeping the temperature of described controlled temperature cabinet (12) internal contamination gas sample;
Described temperature sensor (124), is positioned at described insulation material (123), for monitoring the temperature of described controlled temperature cabinet (12);
Described heating tube (125), is positioned at described insulation material (123), for heating described controlled temperature cabinet (12);
Described water cooling tube (126), is positioned at described insulation material (123) outward, for cooling described controlled temperature cabinet (12).
Further, described controlled temperature cabinet outer wall (121) is made for Polyvinylchloride.
Further, described controlled temperature cabinet inwall (122) is made for teflon.
Further, described sample introduction probe (11) has corrosion resistant alloy-layer.
Further, be argon gas in described first gas-holder (16).
Pass through technique scheme, the present invention is recycled by many group gas sensors, by arranging cycle period, and the continuous dispensing action of gas sampling is set, ensure that the effect to dusty gas continuous on-line detection, can greatly improve real-time and the degree of accuracy of on-line checkingi by timing sampling etc. compared to existing technology.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of one kind of multiple dusty gas on-line continuous monitoring systems;
Fig. 2 is the structural representation of dusty gas sample injection unit in one kind of multiple dusty gas on-line continuous monitoring systems;
Fig. 3 is the structural representation of dusty gas allocation units in one kind of multiple dusty gas on-line continuous monitoring systems;
Fig. 4 is the structural representation of controlled temperature cabinet xsect in one kind of multiple dusty gas on-line continuous monitoring systems.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In order to solve the problem, composition graphs 1 to Fig. 4, wherein Fig. 4 only gives schematic diagram to heating tube 125 and water cooling tube 126, the particular location of heating tube 125 and water cooling tube 126 and structure according to the actual demand of those skilled in the art to design and effect, can obtain under the prerequisite not paying creative work.
The invention provides one kind of multiple dusty gas on-line continuous monitoring systems, comprise the server end 1 and monitoring client 2 that carry out wireless or wire communication, described server end 1 also carries out the transmission of controlling alarm information according to the data received for carrying out data receiver, it is characterized in that, described monitoring client 2 comprises qualitative detection device 3, quantitative testing device 4, testing result transmission unit 5 and alarm unit 6, described qualitative detection device 3 comprises: dusty gas sample injection unit 10, dusty gas allocation units 20, dusty gas detecting unit 30 and dusty gas processing unit 40, described dusty gas sample injection unit 10 to be gone forward side by side trip temperature and humidity regulation for drawing dusty gas sample, and cleans described dusty gas allocation units 20, described dusty gas allocation units 20 are for distributing to each dusty gas detecting unit 30 by dusty gas sample, by continuously but not be periodically transferred to dusty gas detecting unit 30, thus the continuous on-line detection to multiple dusty gas can be realized to make dusty gas, described dusty gas detecting unit 30 comprises multiple gases sensor, and for detecting the presence or absence of dusty gas and determining the kind of dusty gas, often kind of gas sensor all has many groups, and each group of often kind of gas sensor recycles, described dusty gas processing unit 40 is for purifying contaminated gas sample, described server end 1 determines whether to open quantitative testing device 4 according to the testing result of described dusty gas detecting unit 30, described quantitative testing device 4 comprises chromatograph, and described chromatograph is for the composition that detects dusty gas and have and content, described testing result transmission unit 5 is transferred to server end 1 for the data that dusty gas detecting unit 30 is detected, or the data that dusty gas detecting unit 30 and chromatograph detect are transferred to server end 1, described alarm unit 6 is reported to the police for the controlling alarm information sent according to server end 1.
Described dusty gas detecting unit 30 comprises at least one in SO 2 sensor, bioxin sensor, carbon monoxide transducer, nitric oxide sensor, ammonia gas sensor and hydrogen sulfide sensor.
Alternatively, described dusty gas sample injection unit 10 comprises: sample introduction probe 11, controlled temperature cabinet 12, drying tube 13, controller 14, solenoid valve 15 and the first gas-holder 16; Described sample introduction probe 11, draws multiple dusty gas for stretching into region to be measured; Multiple dusty gas after absorption sends into drying tube 13 through described controlled temperature cabinet 12; Described controlled temperature cabinet 12 is for raising or reducing the temperature that the first gas-holder 16 enters the gas of drying tube 13; The gas that described drying tube 13 discharges for the described controlled temperature cabinet 12 of drying; Described controller 14, for described controlled temperature cabinet 12 and described solenoid valve 15 sending controling instruction; Described solenoid valve 15 is popped one's head between 11, for controlling the release of gas in described first gas-holder 16 at described controller 15 and described sample introduction; Described first gas-holder 16 and described sample introduction are popped one's head in and 11 to be connected, for loading inert gas, with dusty gas allocation units 20 described in purge.The filter screen for filtering visible solid particle is comprised further in described sample introduction probe 11.The making material of described sample introduction probe 11 is corrosion resistant alloy, or surface has corrosion resistant alloy-layer, as stainless steel, mainly prevent sample introduction probe 11 described in the water-soluble post-etching of the sulfur dioxide gas in multiple dusty gas, reach the object that Long-Time Service does not need to change.Gas in described first gas-holder 16 is dry, dustless, anhydrous argon gas, described solenoid valve 14 arranges interval time and blowback time by described controller 14, open or close the gas in described gas-holder 15, for carrying out blowback to described sample introduction probe 11, prevent dust from blocking described sample introduction probe 11.
Alternatively, described dusty gas allocation units 20 comprise: sampling pump 21, second gas-holder 22, with the distribution cavity 23 of an air intake opening and multiple gas outlet and adsorption tube 24; Described sampling pump 21 is connected with described dusty gas sample injection unit 10, for dusty gas sample is mixed with the inert gas in the second gas-holder 22 and pressurizeed, then pumps into the air intake opening of distribution cavity 23; Described multiple gas outlet is connected respectively to multiple gas sensor and adsorption tube 24, described multiple gas outlet be used for for gas sensor provides continuous and the non-timed input gas, described adsorption tube 24 continuously enters each sensor for the gas enabling sampling pump 21 and pump into, and dusty gas sample is sent into described second gas-holder 22, thus the continuous on-line detection realized multiple dusty gas, ensure the impact that distribution cavity is not stressed and continuous print dusty gas sample cannot be pumped into; One end of described adsorption tube 24 is communicated with a gas outlet of distribution cavity 23, and the other end is communicated with dusty gas processing unit 40.
Alternatively, described controlled temperature cabinet 12 comprises controlled temperature cabinet outer wall 121, controlled temperature cabinet inwall 122, insulation material 123, temperature sensor 124, heating tube 125 and water cooling tube 126; Described insulation material 123, between described controlled temperature cabinet outer wall 121 and described controlled temperature cabinet inwall 122, for keeping the temperature of described controlled temperature cabinet 12 internal contamination gas sample; Described temperature sensor 124, is positioned at described insulation material 123, for monitoring the temperature of described controlled temperature cabinet 12; Described heating tube 125, is positioned at described insulation material 123, for heating described controlled temperature cabinet 12; Described water cooling tube 126, is positioned at outside described insulation material 123, for cooling described controlled temperature cabinet 12.
Described controlled temperature cabinet outer wall 121 is made for Polyvinylchloride, or other can corrosion-resistant material.Described controlled temperature cabinet inwall 122 is made for teflon, or other can resistant material.Heating tube in described controlled temperature cabinet 12, by the control of described controller 14, for heating described controlled temperature cabinet 12, makes the temperature of controlled temperature cabinet 12 remain in the scope of 140 to 160 DEG C.Avoid the moisture condensation in course of conveying in dusty gas sample, result in blockage described controlled temperature cabinet 12.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode,
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the continuous on-line detection system of one kind of multiple dusty gass, comprise the server end (1) and monitoring client (2) that carry out wireless or wire communication, described server end (1) also carries out the transmission of controlling alarm information according to the data received for carrying out data receiver, it is characterized in that, described monitoring client (2) comprises qualitative detection device (3), quantitative testing device (4), testing result transmission unit (5) and alarm unit (6), described qualitative detection device (3) comprising: dusty gas sample injection unit (10), dusty gas allocation units (20), dusty gas detecting unit (30) and dusty gas processing unit (40),
Described dusty gas sample injection unit (10) to be gone forward side by side trip temperature and humidity regulation for drawing dusty gas sample, and cleans described dusty gas allocation units (20);
Described dusty gas allocation units (20) are for distributing to each dusty gas detecting unit (30) by dusty gas sample, by continuously but not be periodically transferred to dusty gas detecting unit (30), thus the continuous on-line detection to multiple dusty gas can be realized to make dusty gas;
Described dusty gas detecting unit (30) comprises multiple gases sensor, and for detecting the presence or absence of dusty gas and determining the kind of dusty gas, often kind of gas sensor all has many groups, and each group of often kind of gas sensor recycles;
Described dusty gas processing unit (40) is for purifying contaminated gas sample;
Described server end (1) determines whether to open quantitative testing device (4) according to the testing result of described dusty gas detecting unit (30);
Described quantitative testing device (4) comprises chromatograph, and described chromatograph is for the composition that detects dusty gas and have and content;
Described testing result transmission unit (5) is transferred to server end (1) for the data that dusty gas detecting unit (30) is detected, or the data that dusty gas detecting unit (30) and chromatograph detect are transferred to server end (1);
Described alarm unit (6) is reported to the police for the controlling alarm information sent according to server end (1).
2. multiple dusty gas on-line continuous monitoring system according to claim 1, it is characterized in that, described dusty gas sample injection unit (10) comprising: sample introduction probe (11), controlled temperature cabinet (12), drying tube (13), controller (14), solenoid valve (15) and the first gas-holder (16);
Described sample introduction probe (11), draws multiple dusty gas for stretching into region to be measured; Multiple dusty gas after absorption sends into drying tube (13) through described controlled temperature cabinet (12);
Described controlled temperature cabinet (12) is for raising or reducing the temperature that the first gas-holder (16) enters the gas of drying tube (13);
The gas that described drying tube (13) discharges for the described controlled temperature cabinet of drying (12);
Described controller (14), for described controlled temperature cabinet (12) and described solenoid valve (15) sending controling instruction; Described solenoid valve (15) is positioned between described controller (15) and described sample introduction probe (11), for controlling the release of the interior gas of described first gas-holder (16);
Described first gas-holder (16) pop one's head in described sample introduction (11) be connected, for loading inert gas, with dusty gas allocation units (20) described in purge.
3. multiple dusty gas on-line continuous monitoring system according to claim 1 and 2, it is characterized in that, described dusty gas allocation units (20) comprising: sampling pump (21), the second gas-holder (22), with the distribution cavity (23) of an air intake opening and multiple gas outlet and adsorption tube (24);
Described sampling pump (21) is connected with described dusty gas sample injection unit (10), for dusty gas sample is mixed with the inert gas in the second gas-holder (22) and pressurizeed, then pump into the air intake opening of distribution cavity (23); Described multiple gas outlet is connected respectively to multiple gas sensor and adsorption tube (24), described multiple gas outlet be used for for gas sensor provides continuous and the non-timed input gas, described adsorption tube (24) continuously enters each sensor for the gas enabling sampling pump (21) and pump into, and dusty gas sample is sent into described second gas-holder (22), thus the continuous on-line detection realized multiple dusty gas, ensure the impact that distribution cavity is not stressed and continuous print dusty gas sample cannot be pumped into; One end of described adsorption tube (24) is communicated with a gas outlet of distribution cavity (23), and the other end is communicated with dusty gas processing unit (40).
4. multiple dusty gas on-line continuous monitoring system according to claim 3, it is characterized in that, described dusty gas detecting unit (30) comprises at least one in SO 2 sensor, bioxin sensor, carbon monoxide transducer, nitric oxide sensor, ammonia gas sensor and hydrogen sulfide sensor.
5. multiple dusty gas on-line continuous monitoring system according to claim 2, is characterized in that, described sample introduction probe (11) comprises the filter screen filtering visible solid particle further.
6. multiple dusty gas on-line continuous monitoring system according to claim 2, it is characterized in that, described controlled temperature cabinet (12) comprises controlled temperature cabinet outer wall (121), controlled temperature cabinet inwall (122), insulation material (123), temperature sensor (124), heating tube (125) and water cooling tube (126);
Described insulation material (123), is positioned between described controlled temperature cabinet outer wall (121) and described controlled temperature cabinet inwall (122), for keeping the temperature of described controlled temperature cabinet (12) internal contamination gas sample;
Described temperature sensor (124), is positioned at described insulation material (123), for monitoring the temperature of described controlled temperature cabinet (12);
Described heating tube (125), is positioned at described insulation material (123), for heating described controlled temperature cabinet (12); Described water cooling tube (126), is positioned at described insulation material (123) outward, for cooling described controlled temperature cabinet (12).
7. multiple dusty gas on-line continuous monitoring system according to claim 6, is characterized in that, described controlled temperature cabinet outer wall (121) is made for Polyvinylchloride.
8. multiple dusty gas on-line continuous monitoring system according to claim 6, is characterized in that, described controlled temperature cabinet inwall (122) is made for teflon.
9. multiple dusty gas on-line continuous monitoring system according to claim 2, is characterized in that, described sample introduction probe (11) has corrosion resistant alloy-layer.
10. multiple dusty gas on-line continuous monitoring system according to claim 2, is characterized in that, is argon gas in described first gas-holder (16).
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