CN108144241A - Device and method for preventing rainbow powder leakage explosion - Google Patents
Device and method for preventing rainbow powder leakage explosion Download PDFInfo
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- CN108144241A CN108144241A CN201810020870.3A CN201810020870A CN108144241A CN 108144241 A CN108144241 A CN 108144241A CN 201810020870 A CN201810020870 A CN 201810020870A CN 108144241 A CN108144241 A CN 108144241A
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- 239000000843 powder Substances 0.000 title claims abstract description 109
- 238000004880 explosion Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims description 12
- 239000000428 dust Substances 0.000 claims abstract description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 239000003595 mist Substances 0.000 claims abstract description 60
- 239000007921 spray Substances 0.000 claims description 89
- 239000007924 injection Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
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- -1 system Substances 0.000 description 2
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- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 235000005822 corn Nutrition 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Special Spraying Apparatus (AREA)
- Spray Control Apparatus (AREA)
Abstract
A device for preventing rainbow leakage powder explosion is characterized by comprising a person identification device, an intermediate unit, a water mist dust fall device, a powder ejector and a dust concentration sensor. The device can be arranged in a rainbow running field at fixed points and at equal intervals, manual scattering of colored powder is replaced, random splashing is prevented, the powder concentration in the air is reduced, meanwhile, the water mist dust falling device is utilized, water mist is sprayed to reduce the dust concentration, the danger of combustion and explosion is reduced when the water mist dust falling device is sprayed to a sportsman, and various measures are taken to prevent the rainbow running powder from exploding.
Description
Technical field
Patent of the present invention is related to the field that rainbow runs (COLOR RUN), specifically a kind of to prevent rainbow from running powder explosion
Device and method.
Background technology
In evening on June 27th, 2015, Taiwan Xin Beishi Eight Immortals boat paradise group is on fire suddenly to stage, in addition flammability dust
Diffusion, fire spreading cause more than totally six hundred people's injures and deaths.It points out that color powder largely sprays in sponsor according to live witness, makes
Dust concentration is excessively high in into space, and dust explosion has occurred after encountering incendiary source.
The reason of this rainbow is caused to run the powder explosion time has：
Immediate cause：
(1) color powder is flammable powder；(2) a large amount of color powders spray in air, the color powder in air
Concentration is much larger than concentration of lower explosive limit；(3) oxidant is the oxygen in air；(4) there is not the facility of water in group such as to place
The facility in pond etc, densely populated place, the enclosure space of one part of formation；(5) stage lighting, sound equipment that scene has etc. is electrical
Equipment and open fire (smoking, lighter etc.) incendiary source.
Remote cause：
(1) dust explosion knowledge and consciousness are short of in sponsor；(2) illegal tissue party activity, according to Taiwan locality method
Rule regulation " when hiring out amusement facility or change usage, is required for proposing Shen to ' sightseeing office of Ministry of Communications '
Please ", organizer does not file an application i.e. organization activity, so activity is illegal；(3) dust particles are small, and concentration is high, and moisture is few,
There is burning things which may cause a fire disaster, along with subsequent explosion, cause to suffer heavy losses；(4) after accident occurs, sponsor causes without broadcasting at the first time
The common people do not know how to escape；(5) after accident occurs, sponsor is entirely spontaneous by the masses without organizing rescue in time at the first time
Tissue rescue；(6) personnel's high concentration, when detonation, can not withdraw in time, and color powder directly sprays to crowd, causes personnel's skin
Large-area burns.
Dust explosion is a chain reaction, and powder dust particle surface is obtained a little by heat transfer or heat radiation from incendiary source
Fiery energy, steeply rises surface temperature, reaches powder dust particle accelerated decomposition temperature or evaporating temperature, forms dust steam or divides
Solve gas.This gas causes igniting after being mixed with air.In addition, powder dust particle is in itself from surface to inside (until particle
Central point), melting and gasification occur in succession, and send out small spark, become the incendiary source of unburned dust around, make dust
It catches fire, so as to expand explosive range, explodes.
One of maximum feature of dust explosion is exactly multiple explosion.The static dust meeting quilt for being piled up in ground or equipment surface
The blast to explode for the first time, which blows to raise, to be come, and just becomes negative pressuren zone in explosion center area at this time, and fresh air is filled out by four circumferential centers
It covering and, the dust blown afloat mixes again with air, so cause subsequent explosion.Minimum needed for most of dust cloud explosions
Ignition energy is higher, generally in the 5-50MJ 1-2 order of magnitude higher than gas burst.Relatively closed space is that combustible dust is quick-fried
The fried necessary condition occurred, temperature and pressure steeply rises after explosion, compared with combustible gas explosion, what dust explosion generated
Pressure rising is slower, and the high pressure duration is long, releases energy big, destructive power is strong.
Invention content
The purpose of patent of the present invention is to provide a kind of device and method for preventing rainbow from running powder explosion, including personage
The artificial color powder that scatters not only is become using powderject by identification device, Powderjet device and fine water mist dust removal device
Device uniformly sprays, and using uniform powderject, color powder is allow uniformly to be sprayed at participant, prevents powder wantonly
Meaning, excessive spraying reduces and omits in air with the dust quantity of ground, reduces risk of explosion.Also utilize water mist dust fall
Caused dust explosion does inhibition safeguard measure during device runs sprinkling corn powder for rainbow.
The purpose of the present invention is what is realized by following scheme：Someone is recognized by then horse back by person recognition device
Start powder injector.The signal output end of sensor of dust concentration is connected with the signal input part of temporary location, intermediate single
The control signal output of member is connected with the control signal input of solenoid valve, and temporary location is by controlling the break-make of solenoid valve
Realize that the spraying of water spray projector controls, water mist dust fall device is worked by the dust concentration numerical value of artificial settings, works as dust
When concentration is more than normal concentration, device spraying stops spraying when dust concentration is less than normal concentration, avoids the waste of water resource
Runway ponding is run with rainbow.
Person recognition device in the present invention is defeated when there is sportsman to pass through the present apparatus by infrared ray thermal inductance sensor
Go out signal pass to Powderjet device control color powder uniformly spray.
Powder injector in the present invention refers to during rainbow is run, when someone passes through, then start uniformly to spray
With sportsman.Utilize the artificial probability write powder freely and easily, dust explosion can be controlled of powder injector substitution.
Sensor of dust concentration in the present invention carries out environment using sensor of dust concentration ripe on the market
The detection of surrounding dust concentration, the concentration detected send water mist dust fall device to by temporary location output signal.
Rainbow in the present invention metal run out mist device for reducing dust include solenoid valve and water spray projector, the letter of sensor of dust concentration
Number output terminal is connected with the signal input part of temporary location, and the control signal output of temporary location and the control of solenoid valve are believed
Number input terminal is connected, and temporary location realizes that the spraying of water mists injector controls by controlling the break-make of solenoid valve, water mist
Device for reducing dust is worked by the dust concentration numerical value of artificial settings, when dust concentration is more than normal concentration, water spray projector spray
Mist stops spraying when dust concentration is less than normal concentration.
Powder injector in the present invention is carried out at the same time sprinkling with water mist dust fall device, with being smoothed out for guarantee activity.
Have humidity sensor in water mist dust fall device in the present invention, be placed in prevent rainbow run powder explosion device it is outermost
Layer, it is characterised in that：The humidity of runway ambient enviroment is perceived by humidity sensor, if humidity is more than 60%, does not need to water
Mist jet device water spray, if humidity is less than 60%, water spray projector is according to sensor of dust concentration, humidity sensor, wind
The standard that fast sensor, wind transducer, infrared ray thermal inductance sensor are detected carries out atomized water spray.
Water spray projector in the present invention in water mist dust fall device includes pressure valve control, according in water mist dust fall system
Powder concn sensor, humidity sensor, air velocity transducer and wind transducer monitoring, water spray projector can be controlled to spray
Penetrate high pressure, middle pressure, low pressure water mist, the water mist of wind transducer control nozzle transfer injection different directions, according to not sympathizing with
Condition carries out varying strength and different angle is sprayed, and realizes maximum dust catch rate, it is dangerous to reduce powder explosion.
It is higher than 40gm/m when sensor of dust concentration detects dust concentration in environment in the present invention3When, powder injector is prohibited
Only pulverized powder, water spray projector press water spray in starting；When dust concentration is less than 40gm/m3When, water spray projector starts
Low-pressure fuel injection；When dust concentration is higher than 45gm/m3When or infrared thermal sensors detect that powder accidental explosion is on fire, then stand
Start high-pressure nozzle and spray continuous, strength mist fire-fighting.
The direction that heretofore described rotary nozzle is detected according to wind transducer, rotary nozzle carry out accurate range spray
It penetrates, realizes maximum dust catch rate.
Heretofore described pressure valve control is by air velocity transducer, infrared ray thermal inductance sensor, humidity sensor, dust
Concentration sensor Synchronization Control.
Heretofore described water mist dust fall system mainly has high-pressure hydraulic pump, high service pipeline, water tank, filter, control
The compositions such as system, water spray projector and high pressure nozzle, wherein pressure can be adjusted.
The device for preventing rainbow from running powder explosion in the present invention is currently the only one and is prevented for rainbow race activity
The device of powder explosion, it is existing that powder explosion device is prevented not to be used in rainbow race activity.
In the present invention to prevent rainbow from running the device of powder explosion be infrared ray thermal inductance sensor in device, humidity
Sensor, sensor of dust concentration, air velocity transducer, wind transducer monitor automatically, so as to reach self-sealing effect, subtract
Few accident that set off an explosion by rainbow race powder.
The device for preventing rainbow from running powder explosion in the present invention considers the runway many places of rainbow race in outdoor environment, wind speed
Wind direction is with Changes in weather, so being monitored using air velocity transducer and wind transducer, so as to control nozzle transfer control
The water mist of varying strength different directions processed sprays.
Device in the present invention can pinpoint in rainbow runs place, be placed equidistant with the device, substitute artificial hand and spread colour
Powder prevents from arbitrarily writing freely and easily, reduces the powder concn in air, while utilize water mist dust fall device, not only water spray reduces
Dust concentration, being more ejected into sportsman reduces combustion explosion danger, and many-sided measure is taken to prevent rainbow from running powder explosion.
Description of the drawings
Fig. 1 is the longitudinal sectional drawing for the device for preventing rainbow race powder explosion
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments：
Embodiment 1：
The invention discloses a kind of device and method for preventing rainbow from running powder explosion, device prevents rainbow from running powder explosion
Device, comprising person recognition device 1, temporary location 2, water mist dust fall device 3, powder injector 4, sensor of dust concentration 5,
It is solenoid valve 6, water spray projector 7, humidity sensor 8, air velocity transducer 9, pressure valve control 10, wind transducer 11, infrared
Line thermal sensors 12, nozzle transfer 13.The signal output end of person recognition device 1 and the signal of powder injector 4 are defeated
Enter end to be connected, someone is recognized by then starting powder injector at once by person recognition device 1.Sensor of dust concentration
4 signal output end is connected with the signal input part of temporary location 2, control signal output and the solenoid valve 6 of temporary location 2
Control signal input be connected, temporary location 2 realizes the spraying of water spray projector 7 by controlling the break-make of solenoid valve 6
Control, water mist dust fall device 3 are worked by the dust concentration numerical value of artificial settings, when dust concentration is more than normal concentration, water
Mist jet device 7 is sprayed, and stops spraying when dust concentration is less than regulation, and runway ponding is run in the waste and rainbow for avoiding water resource；
The signal output end of humidity sensor 8 and air velocity transducer 9 in water mist dust fall device 3 and 2 signal input part phase of temporary location
Even, 2 signal output end of temporary location is connected with 10 signal input part of pressure valve control, the signal output of pressure valve control 10
End is connected with the signal input part of water spray projector 7, when water spray projector 7 is sprayed according to the numberical range control of artificial settings
System sprays the intensity of water mist, reaches effective powder concn control；The signal output end of wind transducer 11 is turned to nozzle and is filled
It puts 13 signal input part to be connected, according to the direction that wind transducer 11 detects, nozzle transfer 13 controls water mist spray
Emitter 7 carries out accurate range water spray, ensures the maximum catch rate of powder under different situations, reduces rainbow and runs powder explosion danger
Danger.In addition, the invention also discloses a kind of methods for preventing rainbow from running powder explosion.
Person recognition device 1 in the present apparatus carries out person recognition, infrared ray thermal inductance by infrared ray thermal inductance sensor 12
Sensor include infrared ray and thermal sensation two parts sensor, can be more sensitive and accurate detect sportsman pass through.When there is fortune
When mobilizing by the present apparatus, output signal passes to Powderjet device control color powder and uniformly sprays.
Powder injector 4 in the present apparatus refers to during rainbow is run, when someone passes through, then start uniformly to spray
With sportsman.The device includes air gun, conduit, upper and lower two jet ports, and jet port front end is used for respectively containing pressure reduction stage
Be uniformly dispersed injection color powder.Utilize the artificial probability write powder freely and easily, dust explosion can be controlled of powder injector substitution.
Sensor of dust concentration 5 in the present apparatus includes shell, air inlet, light source, photoelectric converter, extract system, powder
The structures such as dirt measuring device, control circuit make dust concentration detect accurate, high sensitivity.Air in runway ambient enviroment is being taken out
Dust measurement device is entered by air inlet under the action of gas system.The dust to suspend in air is irradiated by the light that light source is sent out,
Photoelectric current is converted to by light is scattered by photoelectric converter, dust scattered light intensity is directly proportional to bug dust concentration, by turning
Circuit conversion is changed into photoimpact number.Using sensor of dust concentration ripe on the market, environment dust is carried out
The detection of concentration, the concentration detected send water mist dust fall device to by temporary location output signal.
Water mist dust fall device 3 in the present apparatus includes solenoid valve 6, water spray projector 7, humidity sensor 8, air velocity transducer
9th, pressure valve control 10, wind transducer 11, nozzle transfer 13.The solenoid valve 6 includes explosion-resistant enclosure and connecting rod, electricity
Magnet valve 6 is attached with temporary location 2 by connecting rod.The device refers to during rainbow is run only according to the big of environment
Gas concentration height works, regardless of whether someone passes through, it can water spray.Water spray is also to prevent coloured silk on the person
Rainbow runs one of measure of powder explosion.Water spray projector 7 is using whole device side as jet face, spray regime in the device
Extensively, water mist is uniform, and can not only spray can also reduce in air on the body of sportsman with the dust concentration on racing track, reduce
Dust explosion probability.The signal output end of sensor of dust concentration 5 is connected with the signal input part of temporary location 2, intermediate single
The control signal output of member 2 is connected with the control signal input of solenoid valve 6, and temporary location 2 is by controlling solenoid valve 6
Break-make realizes that the spraying of water spray projector 7 controls, and water mist dust fall device 3 is worked by the dust concentration numerical value of artificial settings,
When dust concentration is more than normal concentration, device spraying stops spraying when dust concentration is less than normal concentration.
Pressure valve control 10 in the present apparatus can control water spray projector 4 to spray high pressure, middle pressure, low-pressure fuel injection water
Mist carries out the atomized water spray of varying strength according to different situations.Powder of the pressure valve control 10 in by water mist dust fall system 3 is dense
Degree sensor 4, humidity sensor 8 and air velocity transducer 9 control, when sensor of dust concentration 5 detects dust concentration height in environment
In 40gm/m3When, 4 injection prohibition powder of powder injector, pressure water mist spray during pressure valve control control water spray projector 7 starts
It penetrates；When dust concentration is less than 40gm/m3When, pressure valve control control water spray projector 7 starts low pressure atomized water spray；Work as dust
Concentration is higher than 45gm/m3When or infrared thermal sensors 12 detect that powder accidental explosion is on fire, then pressure valve control is stood
That is control water spray projector startup high-pressure nozzle sprays continuous, strength mist fire-fighting.Nozzle rotating device 13 is passed according to wind speed
Wind speed in the runway environment that sensor 9 detects passes to pressure valve control 10 by temporary location 2, controls water spray projector
Force down the atomized water spray of pressure in 7 high pressures, during low pressure atomizing, water mist particle by inertial collision, intercept and catch dirt, aggegation, Bu Langkuo
Scattered comprehensive function carrys out depositing dust；During high-pressure fog, in addition to four kinds of mechanisms with low pressure atomizing, also make water mist with higher
Positive and negative charge, thus significantly improve arresting efficiency of the single water fog particle to dust.Nozzle rotating device 13 is according to wind direction
The direction that sensor 11 detects carries out accurate range injection, realizes maximum dust catch rate.
The nozzle is multiple flow passages bilayer nozzle, including outer layer nozzle 25 and internal layer nozzle, internal layer nozzle by cavity 21,
First flow 22, third flow channel 23, second flow channel 24 are formed；Then gradually subdivision is disposed with the thin of progressive distribution to internal layer nozzle again
Road is sprayed, internal layer nozzle is connected with cavity 21, several more complicated runners are branched out by cavity 21；Cavity 21 with it is multiple first-class
Road 22 is connected, and each 22 lower section of first flow branches out 1 second flow channel 24 and 2 symmetrical in 24 both sides of second flow channel
The third flow channel 23 of distribution；Third flow channel 23 be bending runner be connected with first flow 22, third flow channel 23 first extend out after gradually
Contracting.
Water mist dust fall system 3 in the present apparatus mainly has high-pressure hydraulic pump, high service pipeline, water tank, filter, control system
The compositions such as system, water spray projector and high pressure nozzle, wherein pressure are adjustable pressure.
In water mist dust fall device 3 in the present apparatus there is humidity sensor 8, be placed in the device for preventing rainbow from running powder explosion
Outermost layer perceives the humidity of runway ambient enviroment by humidity sensor 8, if humidity is more than 60%, water spray projector 7 is not required to
Want water spray, if humidity be less than 60%, according to sensor of dust concentration 4, air velocity transducer 9, wind transducer 11 and
The standard that infrared ray thermal inductance sensor 12 is detected carries out atomized water spray.
Humidity sensor 8 in the present apparatus is detected the humidity around runway using simplest dew cell.
The air velocity transducer 9 in the present apparatus can continuously monitor wind speed, the air quantity around runway, can be to wind speed air quantity
Real-time display is carried out, sensor module is made of air velocity transducer, wind transducer, sensor stand, utilizes solar-electricity
Pond plate control, low-carbon environment-friendly, and after wind-force is more than certain value, rotates solar panel, be allowed to not be destroyed.
The solenoid valve 6 in the present apparatus includes explosion-resistant enclosure and connecting rod, and solenoid valve is carried out with temporary location by connecting rod
Connection.
The device is mainly used for the powder concns automatically controlled in rainbow race environment, prevent the powder explosion in rainbow race.
The invention also discloses a kind of methods for preventing rainbow from running powder explosion, utilize the person recognition of automatic identification
Device, when have sportsman by when it is described up and down two powder injector automatic uniforms sprinkling color powder.It is dense using dust
The detection that sensor carries out dust concentration is spent, when the dust concentration around device context is higher than the safe concentration set, water mist
Injection apparatus works, and water spray projector reduces environment dust into line duration is long, spray regime is wide and uniformly sprays
Concentration.And water mist can be sprayed onto with sportsman, can also reduce the dust concentration in air, reduce risk of explosion.When dust is dense
When degree sensor detects that dust concentration is less than the concentration set in environment, the water spray projector stops injection.Meanwhile also
Humidity sensor, air velocity transducer, infrared ray thermal inductance sensor monitor simultaneously, and water spray projector is sprayed by different required standards
The water mist of different pressures intensity is penetrated, reduces the danger of powder explosion.In addition nozzle transfer is according to wind direction rotary water spray,
Realize maximum dust catch rate.Powderjet device and atomized water spray device are carried out at the same time, and more efficient reduction rainbow runs powder
The risk of end explosion.
The invention discloses a kind of device and method for preventing rainbow from running powder explosion, can determine in rainbow runs place
Point is placed equidistant with the device, substitutes artificial hand and spreads color powder, reduces the powder concn in air, while utilize water mist dust fall
Device, not only water spray reduction dust concentration, is more ejected into reduction combustion explosion danger with sportsman, various aspects is taken to arrange
Applying prevents rainbow from running powder explosion.
The invention discloses a kind of device and method for preventing rainbow from running powder explosion, are currently the only a kind of for rainbow
The device and method for preventing rainbow from running powder explosion in race are run, automatic monitoring can be reached, self-sealing effect is reduced
Accident occurs and casualties.
Finally illustrate, description above only illustrates technical scheme of the present invention rather than is limited to above-mentioned structure.This
The personnel in field can carry out modification, modifications or substitutions, but do not depart from the purpose and scope of the invention to the present invention, should all contain
It covers in scope of the presently claimed invention.
Claims (5)
1. a kind of device for preventing rainbow from running powder explosion, which is characterized in that include person recognition device, temporary location, water mist
Device for reducing dust, powder injector, sensor of dust concentration；Wherein person recognition device includes infrared ray sensor and thermal sensation senses
Device, water mist dust fall device include solenoid valve, water spray projector, humidity sensor, air velocity transducer, pressure valve control, wind direction
Sensor, nozzle transfer, the signal output end of person recognition device are connected with the signal input part of powder injector, lead to
It crosses infrared ray thermal inductance sensor and recognizes someone by then starting powder injector ejection color powder at once；Dust concentration senses
The signal output end of device is connected with the signal input part of temporary location, the control signal output of temporary location and solenoid valve
Control signal input is connected, and temporary location realizes that water spray projector is sprayed by controlling the break-make of solenoid valve, water mist drop
Dirt device is worked by the dust concentration numerical value of artificial settings, when dust concentration is more than normal concentration, water spray projector spraying,
Stop spraying when dust concentration is less than normal concentration, runway ponding is run in the waste and rainbow for avoiding water resource；Water mist dust fall fills
The signal output end of humidity sensor and air velocity transducer in putting is connected with intermediate cell signal input terminal, intermediate cell signal
Output terminal is connected with pressure valve controller signals input terminal, the signal output end of pressure valve control and the signal of water spray projector
Input terminal is connected, and is controlled in the state of water spray projector spraying according to the numberical range of artificial settings and sprays the strong of water mist
Degree reaches effective powder concn control；The signal input part phase of the signal output end of wind transducer and nozzle transfer
Connection, the direction detected according to wind transducer, nozzle transfer control water spray projector carry out accurate range injection, water
Mist jet device is not sympathized with by air velocity transducer, wind transducer, humidity sensor, sensor of dust concentration Synchronization Control, guarantee
The maximum catch rate of powder under condition reduces rainbow and runs powder explosion danger；The powder injector and water mist dust fall device are simultaneously
Work；Described two jet ports of powder injector work at the same time, to expand spray regime so that injection is more uniform, so as to drop
Powder concn in the gas of low latitude；
2. the device according to claim 1 for preventing rainbow from running powder explosion, which is characterized in that the water mist dust fall device
In water spray projector, be placed in prevent rainbow run powder explosion the entire side of device, make water mist spray range wide and uniform, water
Mist can be sprayed on the person and ground, reduces the risk of powder explosion；
There is humidity sensor in water mist dust fall device, be placed in the outermost layer for the device for preventing rainbow from running powder explosion, pass through humidity
Sensor perceives the humidity of runway ambient enviroment, if humidity is more than 60%, does not need to water spray, if humidity is less than 60%,
Then atomized water spray is carried out according to the standard that sensor of dust concentration is detected；
It is higher than 40gm/m when sensor of dust concentration detects dust concentration in environment3When, powder injector injection prohibition powder, pressure
Power valve control control water spray projector presses water spray in starting；When dust concentration is less than 40gm/m3When, pressure valve control
Water spray projector is controlled to start low-pressure fuel injection；When dust concentration is higher than 45gm/m3When or infrared thermal sensors detect powder
Last accidental explosion is on fire, then pressure valve control controls immediately starts that water spray projector high-pressure injection is continuous, water mist of strength goes out
Fire；
The nozzle is multiple flow passages bilayer nozzle, and including outer layer nozzle and internal layer nozzle, internal layer nozzle is by cavity, first-class
Road, third flow channel, second flow channel are formed；Internal layer nozzle then gradually segments the Xi Pen roads for being disposed with progressive distribution, internal layer spray again
Head is connected with cavity, several more complicated runners are branched out by cavity；Cavity is connected with multiple first flows, and each first
Second flow channel and a third flow channel symmetrical in second flow channel both sides be there emerged a in branch below runner；Third flow channel is curved
The runner of folding is connected with first flow, and third flow channel first extends out rear tapered.
3. the device for preventing rainbow race powder explosion according to any one of claim 2 claim, it is characterised in that：
The water mist dust fall device mainly have high-pressure hydraulic pump, high service pipeline, water tank, filter, control system, water spray projector and
The compositions such as high pressure nozzle, wherein pressure can be adjusted according to sensor output signal.
4. the device according to claim 3 for preventing rainbow from running powder explosion, it is characterised in that：It is described to prevent rainbow from running powder
Last destructor is mainly used for automatically controlling the powder concn in rainbow race environment, achievees the purpose that automatically control powder explosion.
5. it is a kind of prevent rainbow run powder explosion method, which is characterized in that it is described prevent rainbow run powder explosion device be
It prevents rainbow from running the device of powder explosion described in any claim in claim 1-4, utilizes infrared ray thermal inductance sensor
Carry out automatic identification, when have sportsman by when it is described up and down two powder injector automatic uniforms sprinkling color powder；Profit
The detection of dust concentration is carried out with sensor of dust concentration, the dust concentration around device context is higher than the safe concentration of setting
When, atomized water spray device works, and water spray projector is reduced into line duration is long, spray regime is wide and uniformly sprays
Environment dust concentration, and water mist can be sprayed onto with sportsman, can also reduce the dust concentration in air, reduce risk of explosion；
When sensor of dust concentration detects that dust concentration is less than the concentration set in environment, the water spray projector stops injection；
Meanwhile also humidity sensor, air velocity transducer, infrared ray thermal inductance sensor monitor simultaneously, water spray projector passes through different
Required standard sprays the water mist of different pressures intensity, reduces the danger of powder explosion；In addition nozzle transfer is passed according to wind direction
The output signal of sensor carries out the atomized water spray of different directions, realizes maximum dust catch rate, Powderjet device and water mist
Injection apparatus is carried out at the same time, the more efficient risk for reducing rainbow and running powder explosion.
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| CN201810020870.3A CN108144241B (en) | 2018-01-10 | 2018-01-10 | Device and method for preventing rainbow running powder explosion |
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| CN108144241B CN108144241B (en) | 2024-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111881588A (en) * | 2020-07-30 | 2020-11-03 | 重庆大学 | Explosion risk quantification method based on minimum ignition energy |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5047612A (en) * | 1990-02-05 | 1991-09-10 | General Electric Company | Apparatus and method for controlling powder deposition in a plasma spray process |
| CN203925568U (en) * | 2014-07-01 | 2014-11-05 | 安徽恒源煤电股份有限公司 | A kind of colliery spray dust remover of automatic control |
| CN104196619A (en) * | 2013-11-03 | 2014-12-10 | 李松 | Later-compression-stroke carbon filling type carbon powder engine |
| CN104564156A (en) * | 2014-11-28 | 2015-04-29 | 浙江图讯科技有限公司 | Coal mine dust monitoring system and method |
| CN204436446U (en) * | 2015-01-22 | 2015-07-01 | 江苏工程职业技术学院 | A kind of mine auto spraying dust arrester |
| CN205541233U (en) * | 2016-04-07 | 2016-08-31 | 河海大学 | Early warning device dusts with face identification trails |
| CN208599049U (en) * | 2018-01-10 | 2019-03-15 | 青岛理工大学 | Device for preventing rainbow from running powder explosion |
-
2018
- 2018-01-10 CN CN201810020870.3A patent/CN108144241B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5047612A (en) * | 1990-02-05 | 1991-09-10 | General Electric Company | Apparatus and method for controlling powder deposition in a plasma spray process |
| CN104196619A (en) * | 2013-11-03 | 2014-12-10 | 李松 | Later-compression-stroke carbon filling type carbon powder engine |
| CN203925568U (en) * | 2014-07-01 | 2014-11-05 | 安徽恒源煤电股份有限公司 | A kind of colliery spray dust remover of automatic control |
| CN104564156A (en) * | 2014-11-28 | 2015-04-29 | 浙江图讯科技有限公司 | Coal mine dust monitoring system and method |
| CN204436446U (en) * | 2015-01-22 | 2015-07-01 | 江苏工程职业技术学院 | A kind of mine auto spraying dust arrester |
| CN205541233U (en) * | 2016-04-07 | 2016-08-31 | 河海大学 | Early warning device dusts with face identification trails |
| CN208599049U (en) * | 2018-01-10 | 2019-03-15 | 青岛理工大学 | Device for preventing rainbow from running powder explosion |
Non-Patent Citations (2)
| Title |
|---|
| 许艳英;包宋建;: "煤矿巷道喷雾降尘智能控制系统设计", 工矿自动化, no. 04, pages 24 * |
| 邹波;詹海莺;: "从台湾新北粉尘事故浅谈广州市"粉尘爆炸"风险的预防与救援", 广东化工, no. 23, pages 83 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111881588A (en) * | 2020-07-30 | 2020-11-03 | 重庆大学 | Explosion risk quantification method based on minimum ignition energy |
| CN111881588B (en) * | 2020-07-30 | 2023-10-03 | 重庆大学 | Explosion risk quantification method based on minimum ignition energy |
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| CN108144241B (en) | 2024-04-26 |
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