CN105659721B - High-pressure water mist fire-extinguishing nozzle - Google Patents
High-pressure water mist fire-extinguishing nozzleInfo
- Publication number
- CN105659721B CN105659721B CN200710081401.4A CN200710081401A CN105659721B CN 105659721 B CN105659721 B CN 105659721B CN 200710081401 A CN200710081401 A CN 200710081401A CN 105659721 B CN105659721 B CN 105659721B
- Authority
- CN
- China
- Prior art keywords
- nozzle
- taper seat
- fire
- extinguishing
- pressure water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000003595 mist Substances 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000013535 sea water Substances 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000001350 alkyl halides Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- 239000002912 waste gas Substances 0.000 description 1
Abstract
High-pressure water mist fire-extinguishing nozzle, is made up of nozzle housing, shower nozzle adapter, nozzle, self-filtering net, metal packing washer and dust cover. The profile of this nozzle housing is two taper seats, and the taper seat end face at nearly top is plane, 1 nozzle is installed at the center of this end face, this taper seat near end face is uniformly distributed multiple nozzles are installed; In the outer ring of the taper seat near end face, next-door neighbour has another taper seat, this taper seat is uniformly distributed multiple nozzles are installed, different installed surface top nozzle interlaced arrangement; This nozzle housing and nozzle, nozzle housing and shower nozzle adapter are all spun by screw thread, adopt end face to add the seal form of metallic gasket therebetween; The inner space of nozzle and nozzle housing; This shower nozzle adapter inner chamber is equipped with stainless steel filtering net; The other end of this shower nozzle adapter is connected with the pipeline of fire extinguishing system by screw thread; Dust cover is installed above nozzle housing. Its fire extinguishing is rapid, water consumption is low, seawater corrosion resistance, has application value.<pb pnum="1" />
Description
(1) technical field
The present invention relates to a kind of high-pressure water mist fire-extinguishing spray for navy submarine and Prospect of Marine Fire Protection systemHead is the substitute products of Water spray and haloalkane extinguishing system, is mainly used in submarine, field, naval vessel,Also the fields such as other civilian merchant ship fire-fighting can be applied to, belong to fire-fighting system equipment.
(2) background technology
In efficient public security system on submarine and naval vessel, the status of fire extinguishing system is very important, Modern submarineAnd the development of naval technology is to the fire control of important area such as between power cabin, cabin, weapons on shipHave higher requirement. In order to put out fire in submarine and naval vessel, original fixed extinguishing systemHalon1301 fire extinguishing system and water sprinkler system. But due to alkyl halide breaking atmospheric ozone layerBad, Montreal Convention explicitly calls for various countries before 2010, to replace alkyl halide series. And carbon dioxideAnd other gas extinguishing agents are then due to toxicity, security and the impact on surrounding environment, large-areaApply also and be greatly limited. Water spray fire extinguishing system aims at designed by daily life service center,Solid fire can be put out effectively, but exist critical water amount for fire suppression large, put out kindling material single, to oil fire,The shortcomings such as cable fire fire extinguishing effectiveness is not ideal enough, and can produce more broken to cabin indoor equipment and equipmentBad effect, is badly in need of it to update.
Water Mist Fire Extinguishing Technique is good with its feature of environmental protection, fire extinguishing rapidly, water consumption is low, destructive little andBe suitable for the features such as face width, become one of focus of National Fire Protection field concern research. Submarine and naval vesselAs the important force of naval, this invention, by filling up the blank of naval in this research field, builds greenColour circle is protected, safe and efficient, willing fire-fighting system, to improve submarine and Prospect of Marine Fire Protection ability,Security, reliability have important military significance.
Water mists is the environment-friendly type fire-fighting technique of high speed development in recent years, and it suppresses fire method with traditionCompare except having more foregoing advantages, also have the Type Range for fire very extensive,Comprise: category-A fire, category-B fire and appliance fire. Research experience both domestic and external shows, water mists has goodGood insulating properties.
The mainly cooling of extinguishing mechanism of fine water mist fire-extinguishing system, suffocate inerting and additive effect. It is coldBut effect shows: when water is broken down into many tiny water droplets, and its surface area can increase greatly,Evaporation time shortens greatly, utilizes high-pressure water mist fire-extinguishing technology, and the water mists producing is more traditionalFire-fighting technique has larger active area and heat exchange area. The Thermal feedback cooling flame of its destruction fuelSurface, droplet can penetrate flame simultaneously, and fire-fighting efficiency can be improved greatly. For example, by 1 premium on currency from20 DEG C rise to 100 DEG C of heats that 335kJ need to be absorbed, then convert thereof into steam 2257 need to be absorbedThe heat of kJ.
Its inerting effect of suffocating shows that high-pressure water mist passes through evaporation, and the volume of water is increased to nearly 1700Doubly. It dilutes the neighbouring airborne oxygen of burning things which may cause a fire disaster, and inerting firing-fighting medium limits in this processThe transmission that burning things which may cause a fire disaster is outside, the diffusion of heavy pressure fine spray not only can enter zone of origin but also stream that can anti-blockEnter. Opposing gas fire extinguishing, high-pressure fine water mist fire-extinguishing system does not require the space of sealing completely. At high pressureAfter the potential energy of water mists fully discharges, complete burning things which may cause a fire disaster is ensconced in the steam of evaporation, so thatFire can in seconds suffocate. Conventionally the concentration about 21% of oxygen in air, when the concentration of oxygen is from burning things which may cause a fire disasterWhen space reduces to 16% ~ 18% immediately, burning things which may cause a fire disaster can suppress to extinguish.
In the process of fire extinguishing, it is additional that high-pressure fine water mist fire-extinguishing system also can produce some other fire extinguishingEffect. Although they are directly fire extinguishing not, has positive role to fire extinguishing. Heavy pressure fine spray has cigaretteThe cleaning function of mist, waste gas. The soot particle, coal soot and the fine water droplet that this is because burning are bonding and obtainTo scrubbing. In addition water mists can also play certain shielding action, reduces the heat of burning things which may cause a fire disaster to surrounding objectsRadiation, stops the diffusion of fire simultaneously, the effect of blocking is play to fire.
(3) summary of the invention
The object of the invention is to provide a kind of sprayer for extinguishing fire for submarine and naval vessel high-pressure water mist fire fighting systemHead. As the critical component of fine water mist fire-extinguishing system, this device is arranged on the submarine and the warship that need protectionThe various cabins of ship, the high speed fine liquid particles that water under high pressure forms certain spray angle after this device sprays toGuard space, puts out solid combustible and general liquid combustible thing fire.
Fogdrop diameter is little, and water consumption is little is the advantage of fine mist fire-fighting, but the too little thin water of fogdrop diameterThe momentum of mist is very little, is affected by gravity, and the jet length of water mists is limited, is difficult to arrive in combustiblePortion, unfavorable to putting out a fire, especially for category-A solid combustible fire, can only play and suppress fireEffect. The present invention uses for reference the design philosophy of rocket engine ejector filler, adopts Nozzle combination design,Achieve shower nozzle less fogdrop diameter can either be formed, larger spreading of spray, can produce again largerSpray momentum.
High-pressure water mist fire-extinguishing nozzle of the present invention adopts multiple nozzles to be arranged on a nozzle body,By the combination of multiple same nozzle, same water mists performance parameter can be formed, stamp out a fire. LogicalCross and adopt the technical scheme of arranging multiple nozzles on nozzle housing. Spray cone angle can by changing sprayNose cone face angle beta1、β2Adjust, have adjusted the spray angle of whole shower nozzle like this and do not affect single sprayThe atomization of mouth. The flow of each nozzle can design smaller, and angle also can be smaller, thisSample both can ensure larger jet velocity, and good atomization quality can be had again.
A kind of high-pressure water mist fire-extinguishing nozzle of the present invention (being called for short: shower nozzle), primarily of nozzle housing, sprayAdapter, nozzle, self-filtering net, metal packing washer and dust cover composition. This nozzle housingProfile be two taper seats, be plane near the taper seat end face at top, in this end face, feel at ease1 nozzle is housed, and this is β near the normal of the taper seat of end face and the axis angle of shower nozzle1, at thisTaper seat is uniformly distributed 3 nozzles or multiple nozzle are installed; Those nozzles are centrifugal structure shapeFormula, also can select helical groove structure form or adopt spinning disk version, the spray angle of nozzleBe chosen as 20-40 degree, to ensure thering is enough eject momentums; Outside the taper seat near end faceCircle next-door neighbour has another taper seat, and this normal of another taper seat and the axis angle of shower nozzle are β2，β2＞β1。This taper seat is uniformly distributed 6 nozzles or multiple nozzle are installed, different installed surface top nozzle phasesInterlaced arrangement mutually; This nozzle housing and nozzle are spun by screw thread, adopt end face to add metallic gasket therebetweenSeal form; The inner space of nozzle and nozzle housing; Nozzle housing and shower nozzle adapter pass through spiral shellLine connection, also adopts end face to add the seal form of metallic gasket; This shower nozzle adapter inner flow passageArea design must be larger, contributes to reduce flowing velocity, alleviates the degree of seawater corrosion; This shower nozzle turnsJoint inner chamber is equipped with stainless steel filtering net, with the impurity in filtering water, prevents from stopping up shower nozzle; Nozzle housingConnect combination with shower nozzle adapter after, the other end of this shower nozzle adapter is by screw thread and fire extinguishing systemPipeline connection; Dust cover is installed above nozzle housing, and the material that dust cover adopts is nonmetalRefractory material, plays dust-proof effect at ordinary times, during fire extinguishing, is washed open by high-pressure water mist.
During shower nozzle work, the High-Pressure Water in pipeline enters adapter through shower nozzle adapter, through stainlessAfter steel strainer filtering, enter nozzle housing inside, then enter nozzle, current are rotated in nozzle,Along with the increase of pressure, current are washed dust cover open, and water mists forms and sprays to object of protection and puts out a fire.After fire-fighting work terminates, dust cover can be enclosed within on fine mist spray head and reset.
High-pressure water mist fire-extinguishing nozzle of the present invention, long-term installment work is at the environment of seawater atmosphereIn, sometimes even use seawater as extinguishing chemical; 316L stainless steel has good sea water corrosion resistant,Therefore the system of 316L stainless steel as nozzle housing, shower nozzle adapter, nozzle, self-filtering net is adoptedProducing material material is preferred plan.
Wherein, the axis angle β of this normal near the taper seat of end face and shower nozzle1For 20-30 degree,Next-door neighbour's the normal of another taper seat and the axis angle β of shower nozzle2For 45-60 degree.
Wherein, the profile of this nozzle housing also can be designed to a taper seat, the end face of this taper seatFor plane, 1 nozzle is installed at the center of this end face, the normal of this taper seat and the axis of shower nozzleAngle is β1，β1Be generally 35-45 degree; This taper seat is uniformly distributed 6 nozzles or are installed moreIndividual nozzle; Other shape, structure and requirement are all the same with aforesaid high-pressure water mist fire-extinguishing nozzle, noRepeat again.
Wherein, the configuration design of this nozzle housing becomes a taper seat, and the end face of this taper seat is plane,3 nozzles are installed at the center of this end face; The normal of this taper seat and the axis angle of shower nozzle are β1，β1Be generally 35-45 degree; This taper seat is uniformly distributed 6 nozzles or multiple nozzle are installed;Other shape, structure and requirement are all the same with aforesaid high-pressure water mist fire-extinguishing nozzle, repeat no more.
Wherein, the material selection red copper of metal packing washer
A kind of high-pressure water mist fire-extinguishing nozzle of the present invention, its advantage and the effect reaching thereof are: it adoptsMultiple nozzles are arranged on a nozzle body, by the combination of multiple same nozzle, can form sameOne water mists performance parameter, reaches the effect stamping out a fire. The fogdrop diameter that it forms is less, sprayingCone angle can be adjusted by changing shower nozzle frustoconical bevel angle, larger spray momentum therefore can be produced, go outFire is effective. Its structure is simple, fire extinguishing is rapid, water consumption is low, destructiveness is little, is suitable for face width, resistance toSeawater corrosion, there is environmental-protecting performance, safe and reliable, there is important military significance and applyBe worth.
(4) accompanying drawing explanation
Fig. 1: submarine and naval vessel high-pressure water mist spray head scheme I sectional view.
Fig. 2: submarine and naval vessel high-pressure water mist spray head scheme I (without dust cover) front view
Fig. 3: submarine and naval vessel high-pressure water mist spray head scheme II sectional view.
Fig. 4: submarine and naval vessel high-pressure water mist spray head scheme II (without dust cover) front view
Fig. 5: submarine and naval vessel high-pressure water mist spray head scheme III sectional view.
Fig. 6: submarine and naval vessel high-pressure water mist spray head scheme III (without dust cover) front view
Fig. 7: helical groove structure nozzle schematic diagram.
Fig. 8: helicla flute core schematic diagram.
Fig. 9: circle hole shape spinning disk structure nozzle schematic diagram.
Figure 10: circle hole shape spinning disk schematic diagram.
Number in the figure is described as follows:
1, nozzle housing 2, shower nozzle adapter 3, nozzle 4, stainless steel filtering net
5, metallic packing 6, dust cover 7, nozzle body 8, helicla flute core
9, circle hole shape spinning disk 10, shower nozzle 101,102 taper seat 103, end face
(5) detailed description of the invention:
Embodiment mono-:
As shown in Figure 1 and Figure 2, a kind of high-pressure water mist fire-extinguishing nozzle 10 of the present invention (being called for short: shower nozzle),Primarily of nozzle housing 1, shower nozzle adapter 2, nozzle 3, self-filtering net 4, metal packing washer 5Form with dust cover 6. The profile of this nozzle housing 1 is two taper seats 101,102, taper seat 101End face 103 be plane, 1 nozzle 3 is installed, the normal of taper seat 101 at the center of end face 103With the axis angle of shower nozzle 10 be 25 degree; This conical surface 101 is uniformly distributed 3 nozzles 3 is installed,Those nozzles 3 are selected helical groove structure form, as shown in Figure 8, spinning disk structure shape also can be selectedFormula, as shown in Figure 10; The spray angle of nozzle 3 is chosen as 30 degree, at close end face taper seat 101The normal of outer ring taper seat 102 and the axis angle of shower nozzle 10 be 50 degree; At this taper seat 102On be uniformly distributed install 6 nozzles 3, different installed surface top nozzle 3 interlaced arrangement, as shown in Figure 2.Nozzle housing 1 is spun by screw thread with nozzle 3, adopts end face to add metallic gasket (red copper pad) therebetweenSeal form; The inner space of nozzle 3 and nozzle housing 1; Nozzle housing 1 and shower nozzle adapter 2Be threaded connection, also adopt end face to add the seal form of red copper pad. This shower nozzle adapter 2 inner chamberBuilt with stainless steel filtering net 4, with the impurity in filtering water, prevent from stopping up shower nozzle; Nozzle housing 1 and sprayAfter adapter 2 connects combination, the other end of this shower nozzle adapter 2 is by screw thread and fire extinguishing systemPipeline connection. Dust cover 6 is installed above nozzle housing 1, and the material that dust cover 6 adopts is non-Metal refractory material, plays dust-proof effect at ordinary times, during fire extinguishing, is washed open by high-pressure water mist.
In shower nozzle when work, the High-Pressure Water in pipeline enters adapter through shower nozzle adapter 2, through notAfter rust steel filter screen 4 filters, enter nozzle housing 1 inside, then enter nozzle 3, current are in nozzle 3Be rotated, along with the increase of pressure, current are washed dust cover 6 open, and it is right that water mists forms and spray to protectionResemble and put out a fire. After fire-fighting work terminates, dust cover 6 can be enclosed within on fine mist spray head and reset.
Due to this high-pressure water mist fire-extinguishing nozzle, long-term installment work, in the environment of seawater atmosphere, hasTime even use seawater as extinguishing chemical; 316L stainless steel has good sea water corrosion resistant, therefore
The parts such as nozzle housing in shower nozzle, shower nozzle adapter, nozzle, self-filtering net all adopt 316LStainless steel material is made.
Embodiment bis-:
The embodiment bis-of a kind of high-pressure water mist fire-extinguishing nozzle 10 of the present invention is as Fig. 3, shown in Fig. 4, withRelatively, its difference is embodiment mono-: the configuration design of the nozzle housing 1 of the present embodiment two becomes oneTaper seat 101, the end face 103 of this taper seat 101 is plane, is provided with at the center of this end face 1031 nozzle 3, the normal of this taper seat 101 and the axis angle of shower nozzle 10 are 39 degree; At this circular coneFace 101 is uniformly distributed 6 nozzles 3 (or multiple nozzle) are installed; Other shape, structure andRequire all identical with aforesaid embodiment mono-.
Embodiment tri-:
Embodiments of the invention three are as Fig. 3, shown in Fig. 4, compared with embodiment mono-, and its difference is:The configuration design of the nozzle housing 1 of the present embodiment three becomes a taper seat 101, the top of this taper seat 101Face 103 is plane, and 3 nozzles 3 are installed at the center of this end face 103; The method of this taper seat 101The axis angle of line and shower nozzle 10 is 39 degree; This taper seat 101 is uniformly distributed and is provided with 6Nozzle 3 (or multiple nozzle); Other shape, structure and requirement are all identical with aforesaid embodiment mono-.
Claims (11)
1. a high-pressure water mist fire-extinguishing nozzle, is characterized in that: primarily of nozzle housing, shower nozzle adapter,Nozzle, self-filtering net, metal packing washer and dust cover composition; The profile of this nozzle housing is two circlesThe conical surface, the taper seat end face near top is plane, and 1 nozzle is installed at the center of this end face, and this leans onThe normal of taper seat and the axis angle of shower nozzle of nearly end face are β1, this taper seat is uniformly distributed and is provided withA predetermined nozzle; The spray angle of nozzle is chosen as 20-40 degree; Tight in the outer ring of the taper seat near end faceNeighbour has another taper seat, and this normal of another taper seat and the axis angle of shower nozzle are β2, require β2＞β1；This taper seat is uniformly distributed a predetermined nozzle, the interlaced layout of different installed surface top nozzles are installed;This nozzle housing and nozzle are spun by screw thread, adopt end face to add the seal form of metallic gasket therebetween; NozzleInner space with nozzle housing; Nozzle housing and shower nozzle adapter are threaded connection, and also adopt end face to addThe seal form of metallic gasket; Nozzle housing connects combination with shower nozzle adapter after, this shower nozzle adapter anotherOne end is connected with the pipeline of fire extinguishing system by screw thread; Dust cover is installed above nozzle housing; Shower nozzleDuring work, the High-Pressure Water in pipeline, through shower nozzle adapter, enters shower nozzle shell after stainless steel filtering net filtersBody inside, then enter nozzle, current are rotated in nozzle, and along with the increase of pressure, current are washed openDust cover, water mists forms and sprays to object of protection and puts out a fire, can by dust cover after fire-fighting work terminatesBe enclosed within on fine mist spray head and reset.
2. high-pressure water mist fire-extinguishing nozzle according to claim 1, is characterized in that: this nozzle housingAnother kind of form be: configuration design becomes a taper seat, and the end face of this taper seat is plane, at this end faceCenter 1 nozzle is installed, the normal of this taper seat and the axis angle of shower nozzle are β1, at this taper seatOn be uniformly distributed a predetermined nozzle be installed.
3. high-pressure water mist fire-extinguishing nozzle according to claim 1, is characterized in that: this nozzle housingAnother form be: configuration design becomes a taper seat, and the end face of this taper seat is plane, at this end faceCenter 3 nozzles are installed; The normal of this taper seat and the axis angle of shower nozzle are β1, at this taper seatOn be uniformly distributed a predetermined nozzle be installed.
4. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that: shouldThe material selection red copper of metallic gasket.
5. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that:This nozzle is centrifugal structure form.
6. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that:This nozzle is helical groove structure form.
7. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that:This nozzle is spinning disk version.
8. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that:The material that this dust cover adopts is non-metallic refractory.
9. the high-pressure water mist fire-extinguishing nozzle according to claim 1 or 2 or 3, is characterized in that:Nozzle housing, shower nozzle adapter, nozzle and stainless steel filtering net in this shower nozzle all adopt 316L stainless steelMaterial is made.
10. high-pressure water mist fire-extinguishing nozzle according to claim 1, is characterized in that: this is near end faceThe normal of taper seat and the axis angle β of shower nozzle1For 20-30 degree, the normal of another taper seat of next-door neighbour withThe axis angle β of shower nozzle2For 45-60 degree.
11. high-pressure water mist fire-extinguishing nozzles according to Claims 2 or 3, is characterized in that: this circular coneThe normal in face and the axis angle β of shower nozzle1For 35-45 degree.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105659721B true CN105659721B (en) | 2012-06-27 |
Family
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106924920A (en) * | 2017-04-11 | 2017-07-07 | 广州广消阀门有限公司 | A kind of extinguishing device |
| CN108187270A (en) * | 2018-02-02 | 2018-06-22 | 浙江利高消防科技有限公司 | A kind of fire extinguishing sprayer for bus main cabin |
| CN110404220A (en) * | 2019-06-18 | 2019-11-05 | 中国电力科学研究院有限公司 | Fire extinguishing sprayer for lithium-ion electric Pool fire |
| CN113108103A (en) * | 2021-04-16 | 2021-07-13 | 劲源科技发展有限公司 | Intelligent fire valve signal device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106924920A (en) * | 2017-04-11 | 2017-07-07 | 广州广消阀门有限公司 | A kind of extinguishing device |
| CN106924920B (en) * | 2017-04-11 | 2019-07-16 | 广州广消阀门有限公司 | A kind of extinguishing device |
| CN108187270A (en) * | 2018-02-02 | 2018-06-22 | 浙江利高消防科技有限公司 | A kind of fire extinguishing sprayer for bus main cabin |
| CN110404220A (en) * | 2019-06-18 | 2019-11-05 | 中国电力科学研究院有限公司 | Fire extinguishing sprayer for lithium-ion electric Pool fire |
| CN113108103A (en) * | 2021-04-16 | 2021-07-13 | 劲源科技发展有限公司 | Intelligent fire valve signal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR03 | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 |