CN110456006A - Pollutant emission monitors system in burst accident - Google Patents
Pollutant emission monitors system in burst accident Download PDFInfo
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- CN110456006A CN110456006A CN201910866591.3A CN201910866591A CN110456006A CN 110456006 A CN110456006 A CN 110456006A CN 201910866591 A CN201910866591 A CN 201910866591A CN 110456006 A CN110456006 A CN 110456006A
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 55
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 55
- 238000005070 sampling Methods 0.000 claims abstract description 108
- 239000000126 substance Substances 0.000 claims abstract description 61
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000013618 particulate matter Substances 0.000 claims description 54
- 231100000331 toxic Toxicity 0.000 claims description 49
- 230000002588 toxic effect Effects 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 20
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 239000012855 volatile organic compound Substances 0.000 claims description 4
- 231100000614 poison Toxicity 0.000 abstract description 11
- 230000007096 poisonous effect Effects 0.000 abstract description 11
- 239000000356 contaminant Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000003738 black carbon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
- G01N33/0065—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means using more than one threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to technical field of fire control, pollutant emission in burst accident is provided and monitors system.Pollutant emission monitoring system includes: casing in burst accident, its short transverse is provided with multiple thief hatch；Sampling pipe, quantity are more, are located inside pipe casing, and the first end of every sampling pipe connects one of thief hatch；Heating element is located in casing, heats to sampling pipe；Poisonous and harmful substance sensor connects the second end of sampling pipe.The system can get up the contaminant collecting in different height region, and imported into lower part poisonous and harmful substance sensor by different sampling pipes, pollutant distribution rule be obtained, in order to instruct the evacuation work of field rescue and related personnel.Wherein, by the way that heating element is arranged in sampling pipe, and then can be with the hot conditions of pollutant in simulated accident scene or simulated experimental environments.Also, the setting of heating element can also avoid generating condensing water vapor on sampling pipe side wall.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a pollutant discharge monitoring system in an emergency.
Background
The sudden accidents include explosions, fires, leaks, etc. Sudden accidents often cause a large amount of pollutants to be discharged, and the discharge characteristics of different accident pollutants are different. In the emergency rescue and relief of accidents, people are required to enter the accident site, and the uncertainty of the pollutant distribution rule on the site hinders the rescue. Especially for toxic and harmful substances, the unclear distribution of the substances can cause the rescue process to be more dangerous.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
One of the objects of the invention is: the pollutant emission monitoring system in the sudden accident is provided, and the problem that in the prior art, the distribution of pollutants in a rescue and relief site is unclear, so that the rescue process is dangerous is solved.
In order to achieve the object, the present invention provides a pollutant emission monitoring system in an emergency, comprising:
the sampling device comprises a sleeve, a sampling device and a sampling device, wherein a plurality of sampling ports are arranged on the sleeve along the height direction of the sleeve;
the sampling pipes are arranged in the sleeve, and the first end of each sampling pipe is connected with one of the sampling ports;
the heating part is positioned in the sleeve and used for heating the sampling pipe;
and the toxic and harmful substance sensor is connected with the second end of the sampling pipe.
In one embodiment, further comprising:
and the particulate matter concentration sensor is positioned between the sampling pipe and the toxic and harmful substance sensor.
In one embodiment, further comprising:
the protective shell is covered outside the particulate matter concentration sensor and the toxic and harmful substance sensor; a display is fixed on the protective shell and connected with the particulate matter concentration sensor and the toxic and harmful substance sensor;
still install in the protective housing:
the air pump is communicated with the sampling pipe;
the controller is connected with the particulate matter concentration sensor and the toxic and harmful substance sensor and used for judging whether the concentration of the particulate matter or the toxic and harmful substance reaches a limit value or not;
and the alarm is connected with the controller and sends out an alarm signal under the condition that the concentration of the particulate matters or the toxic and harmful substances reaches a limit value.
In one embodiment, the sampling tubes are respectively connected with the particulate matter concentration sensor through an on-off switch, and the on-off switch is connected with the controller:
the number of the particulate matter concentration sensors is one, and the controller controls all the on-off switches to be turned on at different time intervals; or,
the number of the particulate matter concentration sensors is the same as that of the sampling pipes, and the controller controls the on-off switches to be turned on.
In one embodiment, in the case where the number of the particulate matter concentration sensors is the same as the number of the sampling pipes, the number of the toxic and harmful substance sensors is the same as the number of the sampling pipes, and the toxic and harmful substance sensors include any of a carbon monoxide concentration detection sensor, a carbon dioxide concentration detection sensor, a hydrogen cyanide concentration detection sensor, a nitrogen oxide concentration detection sensor, and a volatile organic compound concentration detection sensor.
In one embodiment, further comprising:
the supporting assembly is located at the bottom of the protective shell and comprises a support and a bottom support, the first end of the support is connected with the protective shell, and the second end of the support is connected with the bottom support.
In one embodiment, the heating component is a heating wire wound on all the sampling pipes.
In one embodiment, the sampling tube is L-shaped and comprises a first tube section which is horizontally arranged and connected with the sampling port, and a second tube section which is vertically arranged and connected with the first tube section.
In one embodiment, the first end port of the sampling tube is provided with a filter element.
In one embodiment, the casing comprises casing units, a plurality of casing units are assembled to form the casing, and each casing unit is provided with the sampling port; the sampling pipe comprises sampling pipe units, and the sampling pipe units are assembled to form the sampling pipe.
The technical scheme of the invention has the following advantages: according to the pollutant emission monitoring system in the sudden accident, due to the fact that the plurality of sampling ports are formed in the height direction of the sleeve, pollutants in areas with different heights can be collected and guided into the toxic and harmful substance sensor at the lower portion through the different sampling pipes, and the pollutant distribution rule is obtained through analysis of the toxic and harmful substance sensor, so that field rescue and evacuation work of related personnel can be guided conveniently. Wherein, through set up the heating part in sampling pipe, and then can simulate the high temperature condition of pollutant in the scene of an accident or simulation experiment environment. And, the setting of heating part can also avoid producing condensation steam on the sampling pipe lateral wall.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a pollutant emission monitoring system in an emergency according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a protective case and its internal components of an embodiment of the invention;
FIG. 3 is a partial schematic diagram of a pollutant discharge monitoring system in an emergency according to an embodiment of the present invention;
in the figure: 1. a sleeve; 2. a sampling head; 3. a sampling tube; 4. a heating member; 5. a protective shell; 6. an on-off switch; 7. a display; 8. a particulate matter concentration sensor; 9. a toxic and harmful substance sensor; 10. a controller; 11. an air pump; 12. a battery; 13. a support; 14. a sharp structure; 15. and a sampling port.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this description, a schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the monitoring system for pollutant emission in an emergency according to the embodiment includes a sleeve 1, a sampling tube 3, a heating component 4 and a toxic and harmful substance sensor 9. Wherein a plurality of sampling ports 15 are provided on the sleeve 1 in the height direction thereof. The quantity of sampling pipe 3 is many, and sampling pipe 3 is located sleeve pipe 1 inside, and one of them sample mouth 15 is connected to the first end of every sampling pipe 3. The heating part 4 is positioned in the sleeve 1 and heats the sampling tube 3. The toxic and harmful substance sensor 9 is connected to the second end of the sampling tube 3.
This kind of pollutant discharge monitoring system in accident, owing to be provided with a plurality of sampling ports 15 along sleeve pipe 1 direction of height, and then can collect the pollutant in the region of different height to in leading-in the poisonous and harmful substance sensor 9 of lower part through different sampling pipe 3, acquire pollutant distribution law through the analysis of poisonous and harmful substance sensor 9, so that guide on-the-spot rescue and relevant personnel's evacuation work. Wherein, through set up heating part 4 in sampling pipe 3, and then can simulate the high temperature condition of pollutant in the scene of an accident or simulation experiment environment. Moreover, the heating part 4 can also avoid the generation of condensed water vapor on the side wall of the sampling pipe 3.
The pollutants mainly refer to pollutants carried in air. Further, whether or not the heating member 4 is turned on and the period of turning on may be determined according to the ambient temperature. When the ambient temperature is high, the heating element 4 needs to be turned on in order to simulate the temperature of the contaminants. When the ambient temperature is low, the heating element 4 may not be turned on.
It should be noted that, in addition to the sampling ports 15 distributed along the height direction, the cannula 1 may be provided with openings facing different directions at a specific height of the cannula 1. Under the condition, the pollutant emission monitoring system can monitor pollutants in different directions in an emergency.
Among them, the specific form of the toxic and harmful substance sensor 9 is not limited. For example, the toxic and harmful substance sensor 9 may be a sensor for detecting a concentration of carbon monoxide, a sensor for detecting a concentration of carbon dioxide, or a sensor for detecting a concentration of hydrogen cyanide, nitrogen oxide, or volatile organic compound. For another example, the toxic and harmful substance sensor 9 may be integrated with a plurality of toxic and harmful substance detection sensors, so that the concentrations of the plurality of toxic and harmful substances may be detected. There are sensors in the prior art that can detect six toxic and harmful substances.
In one embodiment, referring to fig. 2, the pollutant emission monitoring system in an emergency further comprises a particulate matter concentration sensor 8. Therefore, the pollutant emission monitoring system in the sudden accident can detect the concentration of the particulate matters besides the toxic and harmful substances.
For example, the particulate matter concentration sensor 8 may be a black carbon sensor, which may detect black carbon among contaminants. For another example, the particulate matter concentration sensor 8 may also be a PM2.5 (fine particulate matter) sensor or a PM10 sensor.
Wherein, the particulate matter concentration sensor 8 can be connected with the toxic and harmful substance sensor 9 in series, and also can be connected with the toxic and harmful substance sensor 9 in series and in parallel. When the particulate matter concentration sensor 8 is connected with the toxic and harmful substance sensor 9 in series, the structure of the pollutant emission monitoring system in an accident can be simplified. When the particulate matter concentration sensor 8 is connected with the toxic and harmful substance sensor 9 in parallel, the efficiency of pollutant detection can be ensured.
In fig. 2, the particulate matter concentration sensor 8 is connected in series with the toxic and harmful substance sensor 9, and along the direction of air circulation, the particulate matter concentration sensor 8 is located upstream of the toxic and harmful substance sensor 9, that is, the particulate matter concentration sensor 8 is located between the sampling pipe 3 and the toxic and harmful substance sensor 9.
Of course, some occasions need not to detect the concentration of particulate matter, and only need detect poisonous and harmful substance, under this kind of circumstances, can adopt the filter screen to replace the particulate matter concentration sensor 8 that is located between sampling pipe 3 and poisonous and harmful substance sensor 9, prevents that the particulate matter from getting into poisonous and harmful substance sensor 9 and causing the damage to it. Also, the above-mentioned particulate matter concentration sensor 8 and the filter screen may be provided at the same time in a set of emergency pollutant discharge monitoring systems. And then can choose to install particulate matter concentration sensor 8 or filter screen to different occasions. In order to facilitate the replacement of the particulate matter concentration sensor 8 and the filter screen, the particulate matter concentration sensor 8 and the filter screen can be installed between the sampling pipe 3 and the toxic and harmful substance sensor 9 in a detachable mode.
Referring further to fig. 2, the monitoring system for pollutant emission in an emergency further includes a protective housing 5. Wherein, the protective housing 5 covers the outside of locating particulate matter concentration sensor 8 and poisonous and harmful substance sensor 9. By providing the protective case 5, the internal components can be protected from external impacts.
Further, can fix display 7 on protective housing 5, display 7 connects particulate matter concentration sensor 8 and poisonous and harmful substance sensor 9, and then can show particulate matter concentration sensor 8 and poisonous and harmful substance sensor 9's testing result through display 7.
In addition, any of the following components may be mounted in the protective case 5: an air pump 11, a controller 10 and an alarm. Wherein, air pump 11 intercommunication sampling pipe 3 for inside negative pressure that forms of sampling pipe 3 guarantees that outside air carries the pollutant to enter into in the sampling pipe 3. In addition, the controller 10 is connected with the particulate matter concentration sensor 8 and the toxic and harmful substance sensor 9, judges whether the concentration of the particulate matter or the toxic and harmful substance reaches a limit value, and can remind through the above mentioned display 7 when the concentration of the particulate matter or the toxic and harmful substance reaches the limit value. When the alarm is arranged, the alarm is connected with the controller 10 and sends out an alarm signal under the condition that the concentration of the particulate matters or the toxic and harmful substances reaches the limit value so as to prompt that the distribution of the pollutants at the corresponding height exceeds the limit value.
Of course, the controller not only judges whether the concentration of the particles or the toxic and harmful substances reaches the limit value, but also can control the opening and closing of each element, display setting, calibration concentration, alarm limit value setting, control of heating of the sampling pipe and the like.
In addition, a battery 12 may be provided in the protective case 5, and the above-mentioned toxic and harmful substance sensor 9, the particulate matter concentration sensor 8, the air pump 11, the controller 10, the alarm, and the like may be powered by the battery 12.
Further, a plurality of sampling pipes 3 are respectively connected with a particulate matter concentration sensor 8 through an on-off switch 6, the on-off switch 6 is connected with a controller 10, and then the on-off switch 6 is controlled based on the controller 10. The controller 10 controls the on-off switch 6 to be switched on and off, and the following two conditions are included:
first, the number of the particulate matter concentration sensors 8 is one, and the controller 10 controls all the on-off switches 6 to be turned on at different time intervals. Under this kind of condition, because particulate matter concentration sensor 8's quantity is one, in order to detect the pollutant in the sampling pipe 3 to the different high sample connection 15 corresponds, need guarantee that different on-off switch 6 opens at different periods of time, prevents to detect the confusion between the data. When the number of the particulate matter concentration sensors 8 is one, the number of the corresponding toxic or harmful substance sensors 9 may be set to one.
Secondly, the number of the particulate matter concentration sensors 8 is the same as that of the sampling pipes 3, and the controller 10 controls the opening of any on-off switch 6. Under this condition, because particulate matter concentration sensor 8's quantity is the same with sampling pipe 3 quantity, and then different particulate matter concentration sensor 8 can simultaneous working. From this, controller 10 can control a plurality of on-off switches 6 and open simultaneously, and then many particulate matter concentration sensor 8 can carry out particulate matter concentration detection simultaneously. Of course, the controller 10 may also control the plurality of on-off switches 6 to be turned on at different time periods.
In the second case, in the case where the number of the particulate matter concentration sensors 8 is the same as the number of the sampling tubes 3, the number of the toxic and harmful substance sensors 9 may be set to be the same as the number of the sampling tubes 3. Furthermore, each sampling pipe 3 all has its particulate matter concentration sensor 8 and poisonous and harmful substance sensor 9 that corresponds to realize the short-term test to pollutant concentration in different sampling pipes 3.
Wherein the on-off switch 6 may be, but is not limited to, in the form of a solenoid valve.
In one embodiment, the toxic harmful substance sensor 9 may include any one of a carbon monoxide concentration detection sensor, a carbon dioxide concentration detection sensor, a hydrogen cyanide concentration detection sensor, a nitrogen oxide concentration detection sensor, and a volatile organic compound concentration detection sensor. For example, in fig. 2, the toxic and harmful substance sensor 9 includes four different sensors, which correspond to four blocks in fig. 2, and are a carbon monoxide concentration detection sensor, a carbon dioxide concentration detection sensor, a hydrogen cyanide concentration detection sensor, and a nitrogen oxide concentration detection sensor, respectively.
In one embodiment, the in-accident pollutant emission monitoring system further comprises a support assembly. Wherein, supporting component is located the protective housing 5 bottom, and supporting component includes support 13 and bottom sprag, and protective housing 5 is connected to support 13 first end, and the bottom sprag is connected to the second end. The bottom support can ensure that the pollutant emission monitoring system is reliably and firmly erected on the ground in an accident, and the pollutant emission monitoring system is prevented from toppling over in the accident. For example, the bottom support can be a supporting plate, and the stability of the pollutant discharge monitoring system in the whole accident is ensured through the arrangement of the supporting plate. As another example, the base support may also employ a pointed structure 14 that can be inserted into soft ground. Of course, the specific structure of the bottom support is not limited by the examples herein, and any structure disclosed in the prior art and used in the present invention to fix the pollutant emission monitoring system in an accident situation can be adopted.
Wherein the structure of the bracket 13 is not limited. For example, the stand 13 may be a tripod having a simple structure and good stability.
In one embodiment, the heating means 4 is a heating wire wound around all sampling tubes 3. In this case, only one heating wire is needed to heat all the sampling pipes 3. Of course, the specific form of the heating component 4 is not limited by the examples herein, for example, the heating component 4 may also be a heating tube, a heating sheet, a heating rod, or the like.
Referring to fig. 3, the sampling tube 3 is L-shaped and includes a first tube section horizontally disposed and connected to the sampling port 15, and a second tube section vertically disposed and connected to the first tube section. In this case, the sampling tube 3 is simple in structure and easy to manufacture. In fig. 3, the second sections of the different sampling tubes 3 are parallel to each other, and the first section at the upper sampling port 15 is longer than the first section at the lower sampling port 15, thereby ensuring that no interference occurs between the different sampling tubes 3.
Wherein, the tip that is located sampling port 15 department at first pipeline section can set up sampling head 2, and sampling head 2 is located the sleeve pipe 1 outward, and then can be with leading-in pollutant discharge monitoring system in the accident of pollutant in the environment.
In one embodiment, a filter is disposed at the first end port of the sampling tube 3 for simulating the filtering of large particles generated in the accident scene or in the experimental environment into the pollutant discharge monitoring system in the accident. The structural form of the filter member herein is not limited as long as the filtering function can be achieved.
Wherein the filtering particle size of the filtering piece is larger than that of the filter screen.
In one embodiment, the cannula 1 comprises cannula 1 units, a plurality of cannula 1 units are assembled to form the cannula 1, and each cannula 1 unit is provided with the sampling port 15. Under this kind of condition, sleeve pipe 1 adopts the sectional type structure, and through the dismouting of the mode of dismantling, conveniently carries.
Similarly, the sampling tube 3 may also be of a segmented structure. Specifically, sampling pipe 3 includes sampling pipe 3 units, and 3 units of many sampling pipes are assembled and are formed sampling pipe 3.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. A system for monitoring pollutant emissions in sudden accidents, comprising:
the sampling device comprises a sleeve, a sampling device and a sampling device, wherein a plurality of sampling ports are arranged on the sleeve along the height direction of the sleeve;
the sampling pipes are arranged in the sleeve, and the first end of each sampling pipe is connected with one of the sampling ports;
the heating part is positioned in the sleeve and used for heating the sampling pipe;
and the toxic and harmful substance sensor is connected with the second end of the sampling pipe.
2. The system for monitoring pollutant emissions in sudden accidents according to claim 1, further comprising:
and the particulate matter concentration sensor is positioned between the sampling pipe and the toxic and harmful substance sensor.
3. The system for monitoring pollutant emissions in sudden accidents according to claim 2, further comprising:
the protective shell is covered outside the particulate matter concentration sensor and the toxic and harmful substance sensor; a display is fixed on the protective shell and connected with the particulate matter concentration sensor and the toxic and harmful substance sensor;
still install in the protective housing:
the air pump is communicated with the sampling pipe;
the controller is connected with the particulate matter concentration sensor and the toxic and harmful substance sensor and used for judging whether the concentration of the particulate matter or the toxic and harmful substance reaches a limit value or not;
and the alarm is connected with the controller and sends out an alarm signal under the condition that the concentration of the particulate matters or the toxic and harmful substances reaches a limit value.
4. The system for monitoring pollutant emission in sudden accident according to claim 3, wherein a plurality of sampling pipes are respectively connected with the particulate matter concentration sensor through an on-off switch, and the on-off switch is connected with the controller:
the number of the particulate matter concentration sensors is one, and the controller controls all the on-off switches to be turned on at different time intervals; or,
the number of the particulate matter concentration sensors is the same as that of the sampling pipes, and the controller controls the on-off switches to be turned on.
5. The system for monitoring the emission of pollutants in an emergency according to claim 4, wherein the number of toxic harmful substance sensors is the same as the number of sampling pipes in the case that the number of particulate matter concentration sensors is the same as the number of sampling pipes, and the toxic harmful substance sensors include any one of a carbon monoxide concentration detection sensor, a carbon dioxide concentration detection sensor, a hydrogen cyanide concentration detection sensor, a nitrogen oxide concentration detection sensor and a volatile organic compound concentration detection sensor.
6. The system for monitoring pollutant emissions in sudden accidents according to claim 3, further comprising:
the supporting assembly is located at the bottom of the protective shell and comprises a support and a bottom support, the first end of the support is connected with the protective shell, and the second end of the support is connected with the bottom support.
7. The system for monitoring pollutant emission in sudden accident according to any one of claims 1 to 6, characterized in that the heating component is a heating wire wound on all the sampling pipes.
8. The system for monitoring pollutant emission in sudden accident according to any one of claims 1 to 6, wherein the sampling pipe is L-shaped, and comprises a first pipe section which is horizontally arranged and connected with the sampling port, and a second pipe section which is vertically arranged and connected with the first pipe section.
9. The system according to any one of claims 1 to 6, wherein the first end port of the sampling tube is provided with a filter.
10. The system for monitoring the pollutant emission in the sudden accident according to any one of claims 1 to 6, characterized in that the casing comprises casing units, a plurality of casing units are assembled to form the casing, and each casing unit is provided with the sampling port; the sampling pipe comprises sampling pipe units, and the sampling pipe units are assembled to form the sampling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866591.3A CN110456006A (en) | 2019-09-12 | 2019-09-12 | Pollutant emission monitors system in burst accident |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866591.3A CN110456006A (en) | 2019-09-12 | 2019-09-12 | Pollutant emission monitors system in burst accident |
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| CN110456006A true CN110456006A (en) | 2019-11-15 |
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| CN201910866591.3A Pending CN110456006A (en) | 2019-09-12 | 2019-09-12 | Pollutant emission monitors system in burst accident |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487378A (en) * | 2020-05-08 | 2020-08-04 | 张婷婷 | Atmosphere pollution check out test set for experiments |
| CN111521479A (en) * | 2020-06-09 | 2020-08-11 | 成祖荣 | Industrial area air monitoring method based on rainy and snowy weather |
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