CN109519702A - A kind of liquefied ammonia leakage Emergency treatment System for the monitoring of industrial accident hidden danger - Google Patents
A kind of liquefied ammonia leakage Emergency treatment System for the monitoring of industrial accident hidden danger Download PDFInfo
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- CN109519702A CN109519702A CN201811169646.7A CN201811169646A CN109519702A CN 109519702 A CN109519702 A CN 109519702A CN 201811169646 A CN201811169646 A CN 201811169646A CN 109519702 A CN109519702 A CN 109519702A
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- Prior art keywords
- liquefied ammonia
- holder
- image
- emergency treatment
- concentration
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/013—Single phase liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
A kind of liquefied ammonia leakage Emergency treatment System for the monitoring of industrial accident hidden danger, include concentration sensor, image capture device, gateway, emergency treatment plant and processing locality device, concentration sensor and image capture device are mounted at liquefied ammonia holder, are detected and carried out respectively image taking to the ammonia concentration at liquefied ammonia holder；Gateway is separately connected each concentration sensor and image capture device；Emergency treatment plant is mounted at liquefied ammonia holder to handle the liquefied ammonia holder of leakage；Processing locality device connects gateway to obtain the concentration data and image data of concentration sensor and image capture device acquisition, for carrying out integrated treatment to the corresponding concentration data of same liquefied ammonia holder and image data, judge whether the liquefied ammonia holder leaks, and when liquefied ammonia holder leaks, controls corresponding emergency treatment plant and work.The present invention is made whether the judgement of leakage to liquefied ammonia holder, and judging result is more accurate, and rate of false alarm is low.
Description
Technical field
The invention belongs to toxic, inflammable, irritant gas storing technology fields, raw for safety more particularly to one kind
The liquefied ammonia for producing accident potential's monitoring reveals Emergency treatment System.
Background technique
Liquefied ammonia is gas that is a kind of colourless but having penetrating odor, inflammable, soluble easily in water, once leakage accident occurs,
Strong influence will be generated to human body and peripheral facilities, less serious case causes personal injury and equipment damage, and severe one causes casualties
And production halt production accident, consequence are hardly imaginable.Many companies develop some monitoring devices and are monitored to liquefied ammonia thus, at present
Most of liquefied ammonia monitoring systems are provided with automatic alarm ability, and basic functional principle is: pacifying in liquefied ammonia bucket position
Ammonia concentration sensor is filled, when the concentration that ammonia concentration sensor detects is more than preset value, controller generates controlling alarm
Treatment measures are alarmed and/or taken to instruction control alarm unit.As patent CN106468900A discloses a kind of liquefied ammonia storage
Tank remote monitoring system pops up warning window when ammonia tank room concentration over-standard alarm, and while alarm, carries out voice and broadcast
It reports, combined aural and visual alarm starts immediately in operating room, while starting ammonia tank room exhaust fan, spray equipment and cutting off other power supplys.
However, find in actual use, since monitoring device is applied to ammonia environment, the ammonia of normal use in work
After gas is detected by concentration sensor, also can trigger controller generate controlling alarm instruction control alarm unit carry out alarm and/
Or treatment measures are taken, it causes to report by mistake.
Summary of the invention
The technical problem to be solved in the present invention is that for finding in actual use in the prior art, due to prison
Equipment application is controlled after the ammonia of normal use is detected by concentration sensor in ammonia environment, work, also can trigger controller produce
Treatment measures are alarmed and/or taken to raw controlling alarm instruction control alarm unit, is caused wrong report defect, is provided one kind and be used for
The liquefied ammonia of industrial accident hidden danger monitoring reveals Emergency treatment System.
The technical solution adopted by the present invention to solve the technical problems is: a kind of to monitor for industrial accident hidden danger
Liquefied ammonia reveals Emergency treatment System, includes:
Concentration sensor detects the ammonia concentration at liquefied ammonia holder for being mounted at liquefied ammonia holder；
Image capture device carries out image taking to liquefied ammonia holder for being mounted at liquefied ammonia holder；
Gateway is separately connected each concentration sensor and image capture device；
Emergency treatment plant, for being mounted at liquefied ammonia holder, to handle the liquefied ammonia holder of leakage；
Processing locality device connects the gateway, to obtain the concentration numbers of concentration sensor and image capture device acquisition
According to and image data, for carrying out integrated treatment, judgement to the corresponding concentration data of same liquefied ammonia holder and image data
Whether the liquefied ammonia holder leaks, and when liquefied ammonia holder leaks, and controls corresponding emergency treatment plant and carries out
Work.
Further, it is communicated with an electric safe valve on the liquefied ammonia holder, the outlet of electric safe valve passes through exhaust
Pipe is connected to outdoor, has pressure sensor in liquefied ammonia holder, electric safe is electrically connected in the processing locality device
Valve and pressure sensor are more than described in preset value control electric safe valve conducting with the liquefied ammonia pressure acquired in pressure sensor
Exhaust pipe and liquefied ammonia holder, with to outdoor discharge ammonia.
Further, the emergency treatment plant refers to exhaust fan and/or spray equipment, described to control corresponding urgent place
Reason device carries out work and refers to that control exhaust fan carries out air draft, and control spray equipment is sprayed.
Further, the corresponding concentration data of the same liquefied ammonia holder and image data carry out integrated treatment, sentence
Break the liquefied ammonia holder whether occur leakage specifically comprise the following steps:
S31, judge whether the real-time concentration of concentration sensor acquisition is greater than concentration preset value；If so, being transferred to step
Otherwise S32 assert that liquefied ammonia holder does not leak；
S32, the realtime image data that image capture device acquires is subtracted each other with preset standard image data, is obtained
Error image；The standard picture is the liquid of the manual control monitoring device shooting of acquisition in advance when liquefied ammonia does not leak
Image at ammonia holder；Wherein, described image acquisition equipment is always maintained at fixed angle and carries out image taking；
S33, error image is compared with preset A leak of liquefied ammonia status image, according to the similarity of the two, judgement
Whether liquefied ammonia holder leaks；The judgment criteria that liquefied ammonia holder leaks is that the similarity is greater than preset value.
Further, the corresponding concentration data of the same liquefied ammonia holder and image data carry out integrated treatment, sentence
Whether the liquefied ammonia holder that breaks occurs leakage and specifically comprises the following steps: to carry out image point to the image that image capture device acquires
Analysis, judges a possibility that A leak of liquefied ammonia may occur, and quantified, obtains the first quantized value, to concentration sensor acquisition
Data carry out a possibility that A leak of liquefied ammonia may occur for data analytical judgment, and are quantified, and obtain the second quantized value, then root
Judge whether liquefied ammonia leaks according to the first quantized value and the second quantized value, judgment rule is whether comprehensive quantification value reaches threshold
Value；
Wherein, comprehensive quantification value=K1* the first quantized value+K2* the second quantized value, K1、K2For preset weight, and K1With K2
It is all larger than 0.
Further, the monitoring device is always maintained at fixed angle and carries out image taking；First quantized value obtains step
Suddenly it specifically includes:
(1) in advance when liquefied ammonia does not leak, the image of manual control image capture device shooting is obtained, and is stored as
Standard picture；
(2) realtime graphic of real-time image acquisition acquisition equipment automatic shooting, realtime graphic and standard picture are made the difference, obtained
Error image out；
(3) error image is compared with preset A leak of liquefied ammonia status image, judges the similarity of the two；
(4) quantized value is obtained according to the similarity.
Further, the second quantized value show that step specifically includes:
(1) real-time ammonia concentration value at the storage position that concentration sensor real-time detection arrives is obtained；
(2) it is worth the second quantized value according to real-time ammonia concentration.
Further, K1/K2∈[0.4,0.6]。
Further, positioning device is installed, positioning device is also connected to the gateway, will position at liquefied ammonia holder
Information is sent to processing locality device, and when liquefied ammonia holder leaks, processing locality device is stored up also according to preset liquefied ammonia
The corresponding relationship for storing bucket and corresponding emergency contact sends Navigation Control instruction to corresponding mobile terminal；The navigation control
Comprising the location information of the liquefied ammonia holder leaked in system instruction；
The mobile terminal is preinstalled with APP, and the APP is used for after receiving the Navigation Control instruction, and it is fixed to identify
Position information, and established at the mobile terminal according to the location information identified to the guidance path of location information corresponding position
And it navigates.
Further, there is video switch, for when video switch is triggered, to processing locality device in the APP
Video request instruction is sent, processing locality device is after receiving video request instruction, the liquefied ammonia holder that will leak
The video frame sync of the image capture device acquisition at place is sent to the APP, to be shown on the APP.
Implement a kind of liquefied ammonia for the monitoring of industrial accident hidden danger of the invention and reveal Emergency treatment System, have with
Down the utility model has the advantages that the present invention is comprehensive using the concentration data of concentration sensor acquisition and the image data of image capture device acquisition
The judgement that leakage is made whether to liquefied ammonia holder is closed, judging result is more accurate, and rate of false alarm is low.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is that a kind of liquefied ammonia leakage Emergency treatment System one for the monitoring of industrial accident hidden danger of the invention is implemented
The schematic diagram of example；
Fig. 2 is a kind of work of liquefied ammonia leakage Emergency treatment System for the monitoring of industrial accident hidden danger of the invention
Schematic illustration；
Fig. 3 is that the first quantized value of the invention obtains flow chart.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
With reference to Fig. 1, Emergency treatment System is revealed for a kind of liquefied ammonia for the monitoring of industrial accident hidden danger of the present invention
Schematic diagram, in the present embodiment, which is monitored alarm to n liquefied ammonia holder, and liquefied ammonia holder is respectively liquefied ammonia
Holder 1, liquefied ammonia holder 2 ..., liquefied ammonia holder n, wherein n >=1.It is installed respectively at each liquefied ammonia holder by one
Concentration sensor, respectively concentration sensor 1, concentration sensor 2 ..., concentration sensor n, with respectively to each liquefied ammonia save
Ammonia concentration at bucket (outside liquefied ammonia holder) is detected.An image is separately installed at each liquefied ammonia holder to adopt
Collect equipment, respectively image capture device 1, image capture device 2 ..., image capture device n, with respectively to each liquefied ammonia store up
It stores bucket and carries out image taking, image capture device can be realized by video camera.It should be understood that in other realities of the invention
Apply in example, can multiple liquefied ammonia holders at same position can share a concentration sensor, using concentration carry out
It is then to the memory judgement simultaneously of multiple liquefied ammonia holders when leakage judges；Similarly, image capture device can also using share
Mode, which is not described herein again.
Each concentration sensor and each image capture device are separately connected a gateway, when connection can using wired or
Wirelessly, gateway is sequentially connected processing locality device and emergency treatment plant to person.Emergency treatment plant is mounted on liquefied ammonia
At holder, to handle the liquefied ammonia holder of leakage, one is installed in the present embodiment, at each liquefied ammonia holder tightly
Anxious processing unit shares n emergency treatment plant.It is identical as above-mentioned image capture device, concentration sensor, in its of the invention
In his embodiment, the quantity between emergency treatment plant and liquefied ammonia holder can be one-to-many, be also possible to many-one.
Processing locality device is by connection gateway, to obtain the concentration data of concentration sensor and image capture device acquisition
And image data, for carrying out integrated treatment to the corresponding concentration data of same liquefied ammonia holder and image data, judgement should
Whether liquefied ammonia holder leaks, and when liquefied ammonia holder leaks, and controls corresponding emergency treatment plant and carries out work
Make.
It is the operation principle schematic diagram of emergency treatment plant and safety valve of the invention with reference to Fig. 2, Fig. 2.In this implementation
In example, emergency treatment plant refers to exhaust fan 26 and spray equipment 27, and processing locality device 24, the control is electrically connected
Corresponding emergency treatment plant 24 carries out work and refers to that control exhaust fan 26 carries out air draft, and control spray equipment 27 is sprayed,
The liquid of spray can use water.An electric safe valve 22, the outlet of electric safe valve are communicated on the liquefied ammonia holder 21
It is connected in outside atmosphere by exhaust pipe 23, electric safe valve 22 is normally closed so that exhaust pipe 23 does not connect with liquefied ammonia holder 21
It is logical, there is pressure sensor 25, electric safe valve 22 is electrically connected in the processing locality device 24 in liquefied ammonia holder 21
And pressure sensor 25, it is more than that preset value control electric safe valve 22 is connected with the liquefied ammonia pressure acquired in pressure sensor 25
The exhaust pipe 23 and liquefied ammonia holder 21, reduce the pressure of liquefied ammonia in bucket to discharge ammonia outward.
Concentration data corresponding for same liquefied ammonia holder and image data carry out integrated treatment, judge that the liquefied ammonia stores up
Store whether bucket leaks, the present invention provides following two kinds of implementations, and but the invention is not restricted to this.
The first specific implementation specifically comprises the following steps:
S31, judge whether the real-time concentration of concentration sensor acquisition is greater than concentration preset value；If so, being transferred to step
Otherwise S32 assert that liquefied ammonia holder does not leak.
S32, the realtime image data that image capture device acquires is subtracted each other with preset standard image data, is obtained
Error image；The standard picture is the liquid of the manual control monitoring device shooting of acquisition in advance when liquefied ammonia does not leak
Image at ammonia holder；Wherein, described image acquisition equipment is always maintained at fixed angle and carries out image taking.
S33, error image is compared with preset A leak of liquefied ammonia status image, according to the similarity of the two, judgement
Whether liquefied ammonia holder leaks；The judgment criteria that liquefied ammonia holder leaks is that the similarity is greater than preset value.Liquid
Image when NH_3 leakage status image is A leak of liquefied ammonia, if liquefied ammonia is atomized image, the liquefied ammonia that can occur before in advance
Image when leakage extracts.If the two similarity is more than preset value, decision bits liquefied ammonia is leaked, is not otherwise let out
Leakage.
Second of specific implementation specifically comprises the following steps:
Image analysis is carried out to the image of image capture device acquisition, judges a possibility that A leak of liquefied ammonia may occur, and
Quantified, obtain the first quantized value, data are carried out to the data of concentration sensor acquisition and analyze and determine that liquefied ammonia, which may occur, to be let out
A possibility that leakage, and quantified, it obtains the second quantized value, then judges that liquefied ammonia is according to the first quantized value and the second quantized value
No to leak, judgment rule is whether comprehensive quantification value reaches threshold value；
Wherein, comprehensive quantification value=K1* the first quantized value+K2* the second quantized value, K1、K2For preset value, K1+K2=1, and
K1With K2It is all larger than 0.And preferably, in the present invention K1/K2∈ [0.4,0.6], the influence to guarantee two quantized values are suitable.
In the present embodiment, K1=0.5, K2=0.5, threshold value=50.
It is that the first quantized value of the invention obtains flow chart with reference to Fig. 3, Fig. 3.Wherein, the monitoring device is always maintained at
Fixed angle carries out image taking；First quantized value show that step specifically includes:
(1) in advance when liquefied ammonia does not leak, the image of manual control monitoring device shooting is obtained, and is stored as standard
Image；
(2) realtime graphic for obtaining monitoring device automatic shooting in real time, realtime graphic and standard picture are made the difference, must be gone on business
It is worth image；
(3) error image is compared with preset A leak of liquefied ammonia status image, judges the similarity of the two；Liquefied ammonia is let out
Image when status image is A leak of liquefied ammonia is leaked, if liquefied ammonia is atomized image, the A leak of liquefied ammonia that can occur before in advance
When image extract；
(4) quantized value is obtained according to the similarity.The first quantized value is such as quantified as 0 to 100, the size of quantized value with
Similarity is equal, and is rounded.
Second quantized value show that step specifically includes:
(1) real-time ammonia concentration value at the storage position that concentration sensor real-time detection arrives is obtained；
(2) it is worth the second quantized value according to real-time ammonia concentration.Real-time ammonia concentration value is bigger, and the second quantized value is got over
Greatly, scalar quantization mode can be used in real-time ammonia concentration value, and the second quantized value is such as divided into 11 numerical value in the present embodiment:
0,10,20,30,40 ..., 100, the corresponding ammonia concentration range of each numerical value, so it can be concluded that the second quantized value.
In one more embodiment of the present invention, positioning device is installed at liquefied ammonia holder, positioning device is also connected to institute
Gateway is stated, location information is sent to processing locality device, when liquefied ammonia holder leaks, processing locality device also root
According to the corresponding relationship of preset liquefied ammonia holder and corresponding emergency contact, Navigation Control is sent to corresponding mobile terminal and is referred to
It enables；Include the location information of the liquefied ammonia holder leaked in the Navigation Control instruction；Mobile terminal is preinstalled with APP, institute
APP is stated for identifying location information, and establish according to the location information identified after receiving the Navigation Control instruction
At the mobile terminal to location information corresponding position guidance path and navigate.And preferably, have in the APP
Video switch, for sending video request instruction to processing locality device, processing locality device exists when video switch is triggered
It is after receiving the video request instruction, the video image of the image capture device acquisition at the liquefied ammonia holder leaked is same
Step is sent to the APP, to be shown on the APP.In this way, being notified in Cloud Server by mobile terminal corresponding tight
After anxious contact person, emergency contact opens the video switch on APP, then can immediately see the implementation view of leak scene
Frequently.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. it is a kind of for industrial accident hidden danger monitoring liquefied ammonia leakage Emergency treatment System, characterized by comprising:
Concentration sensor detects the ammonia concentration at liquefied ammonia holder for being mounted at liquefied ammonia holder；
Image capture device carries out image taking to liquefied ammonia holder for being mounted at liquefied ammonia holder；
Gateway is separately connected each concentration sensor and image capture device；
Emergency treatment plant, for being mounted at liquefied ammonia holder, to handle the liquefied ammonia holder of leakage；
Processing locality device connects the gateway, with obtain concentration sensor and image capture device acquisition concentration data and
Image data judges the liquid for carrying out integrated treatment to the corresponding concentration data of same liquefied ammonia holder and image data
Whether ammonia holder leaks, and when liquefied ammonia holder leaks, controls corresponding emergency treatment plant and work.
2. Emergency treatment System according to claim 1, which is characterized in that the emergency treatment plant refers to exhaust fan
And/or spray equipment, the corresponding emergency treatment plant of the control carry out work and refer to that control exhaust fan carries out air draft, control spray
Shower device is sprayed.
3. Emergency treatment System according to claim 1, which is characterized in that it is electronic to be communicated with one on the liquefied ammonia holder
Safety valve, the outlet of electric safe valve are connected to outdoor by exhaust pipe, have pressure sensor in liquefied ammonia holder, and described
Electric safe valve and pressure sensor is electrically connected in ground processing unit, super with the liquefied ammonia pressure acquired in pressure sensor
It crosses preset value control electric safe valve and the exhaust pipe and liquefied ammonia holder is connected, with to outdoor discharge ammonia.
4. Emergency treatment System according to claim 1, which is characterized in that the corresponding concentration of the same liquefied ammonia holder
Data and image data carry out integrated treatment, judge whether the liquefied ammonia holder occurs leakage and specifically comprise the following steps:
S31, judge whether the real-time concentration of concentration sensor acquisition is greater than concentration preset value；If so, it is transferred to step S32, it is no
Then assert that liquefied ammonia holder does not leak；
S32, the realtime image data that image capture device acquires is subtracted each other with preset standard image data, obtains difference
Image；The standard picture is the liquefied ammonia storage of the manual control monitoring device shooting of acquisition in advance when liquefied ammonia does not leak
Store the image at bucket；Wherein, described image acquisition equipment is always maintained at fixed angle and carries out image taking；
S33, error image is compared with preset A leak of liquefied ammonia status image, according to the similarity of the two, judges liquefied ammonia
Whether holder leaks；The judgment criteria that liquefied ammonia holder leaks is that the similarity is greater than preset value.
5. Emergency treatment System according to claim 1, which is characterized in that the corresponding concentration of the same liquefied ammonia holder
Data and image data carry out integrated treatment, judge whether the liquefied ammonia holder occurs leakage and specifically comprise the following steps: pair
The image of image capture device acquisition carries out image analysis, judges a possibility that A leak of liquefied ammonia may occur, and quantified, obtains
First quantized value out carries out a possibility that A leak of liquefied ammonia may occur for data analytical judgment to the data of concentration sensor acquisition,
And quantified, it obtains the second quantized value, then judges whether liquefied ammonia leaks according to the first quantized value and the second quantized value,
Judgment rule is whether comprehensive quantification value reaches threshold value；
Wherein, comprehensive quantification value=K1* the first quantized value+K2* the second quantized value, K1、K2For preset weight, K1With K2It is all larger than
0。
6. Emergency treatment System according to claim 5, which is characterized in that the monitoring device is always maintained at fixed angle
Carry out image taking；First quantized value show that step specifically includes:
(1) in advance when liquefied ammonia does not leak, the image of manual control image capture device shooting is obtained, and is stored as standard
Image；
(2) realtime graphic of real-time image acquisition acquisition equipment automatic shooting, realtime graphic and standard picture are made the difference, must be gone on business
It is worth image；
(3) error image is compared with preset A leak of liquefied ammonia status image, judges the similarity of the two；
(4) quantized value is obtained according to the similarity.
7. Emergency treatment System according to claim 5, which is characterized in that the second quantized value show that step is specifically wrapped
It includes:
(1) real-time ammonia concentration value at the storage position that concentration sensor real-time detection arrives is obtained；
(2) it is worth the second quantized value according to real-time ammonia concentration.
8. Emergency treatment System according to claim 5, which is characterized in that K1/K2∈[0.4,0.6]。
9. Emergency treatment System according to claim 1, which is characterized in that positioning device is installed at liquefied ammonia holder,
Positioning device is also connected to the gateway, and location information is sent to processing locality device, leaks in liquefied ammonia holder
When, processing locality device also according to preset liquefied ammonia holder and corresponding emergency contact corresponding relationship, to corresponding shifting
Dynamic terminal sends Navigation Control instruction；Include the location information of the liquefied ammonia holder leaked in the Navigation Control instruction；
The mobile terminal is preinstalled with APP, and the APP is used for after receiving the Navigation Control instruction, identifies positioning letter
Breath, and gone forward side by side according to the guidance path that the location information identified is established at the mobile terminal to location information corresponding position
Row navigation.
10. Emergency treatment System according to claim 9, which is characterized in that there is video switch in the APP, be used for
When video switch is triggered, video request instruction is sent to processing locality device, processing locality device is receiving the video
After request instruction, the video frame sync of the image capture device acquisition at the liquefied ammonia holder leaked is sent to described
APP, to be shown on the APP.
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