CN104399216B - Fire-extinguishing swirling jet fine mist shower nozzle - Google Patents
Fire-extinguishing swirling jet fine mist shower nozzle Download PDFInfo
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- CN104399216B CN104399216B CN201410735470.2A CN201410735470A CN104399216B CN 104399216 B CN104399216 B CN 104399216B CN 201410735470 A CN201410735470 A CN 201410735470A CN 104399216 B CN104399216 B CN 104399216B
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- shower nozzle
- sprayer body
- bearing
- rotation
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- 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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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a fire-extinguishing swirling jet fine mist shower nozzle which comprises a water pipe connector, a water inlet pipe, a bearing, a bearing cover, blades, a shower nozzle body and a shower nozzle, wherein the outer structure of the shower nozzle consists of the water pipe connector, the water inlet pipe, the bearing, the bearing cover, the shower nozzle body and the shower nozzle; the inner structure of the shower nozzle mainly consists of three blades which are uniformly welded on a circular cylinder, a groove is formed in a shower nozzle cavity, and the blades can be directly installed in the shower nozzle cavity; the three blades are uniformly distributed between every two spray orifices to better play a guide role, so that the shower nozzle body rotates under a high-pressure flow action; three spray orifices are uniformly distributed around the shower nozzle body, the horizontal tangential included angle between the center lines of the spray orifices and the circumferential intersection of the shower nozzle cavity is 45 DEG C, and the quantity and angles of inclination of the spray orifices can be changed according to demands; the shower nozzle is provided with a plurality of nozzles and a spout is formed in the center of the bottom of the nozzle. The fire-extinguishing swirling jet fine mist shower nozzle provided by the invention has the advantages of being simple in structure, large in protective area, long in jet distance, high in fire-extinguishing efficiency and the like.
Description
Technical field
The invention belongs to public safety technical field, specifically refers to a kind of fire extinguishing rotation jet water mist shower nozzle.
Background technology
Compared to the fire-fighting technique such as Water spray, clean gas, aerosol, foam, Water Mist Fire Extinguishing Technique has due to it
Non-environmental-pollution (will not be lost ozone layer or produce greenhouse effect), water consumption be little, it is destructive to protection object little the advantages of, quilt
It is considered the main substitute technology for breathing out imperial series extinguishing chemical, and in the fire-fighting in the fields such as electric power, communication, Nicotiana tabacum L., track traffic
It is applied in engineering.
But, an important development direction of modern architecture is the synthesises of several multi-forms and function, such as high
Layer building and the Zhongting in market, large-scale auditorium and arenas, exhibition center and commercial center, bulk storage plant and logistics center, traffic are comprehensive
Zoarium etc..From from the perspective of fire preventing and treating, complicated variety of particularity and function just because of these building structure etc.,
So that existing fine mist spray head is because of the deficiency such as jet length is short, protected area is limited, it is difficult to meet the fire preventing and treating in above-mentioned place
Demand.
《The development of new fine mist spray head》(Zhou Hua, 2006.7；Zhejiang University's Fluid-transmission and control state key experiment
Room) in describe the nozzle with rotation core, its deficiency is complex structure, easily blocking, and relatively costly, spray momentum is low, range
Short, the radius of protection of each shower nozzle is generally in 0.5m or so.《Multiinjector combination type fine mist spray head oil tray fire fighting test with point
Analysis》A kind of three new tangential slot type water mists are described in (Gong Yong armies, Maritime Affairs University Of Dalian's ship dynamoelectric equipment institute)
Nozzle, it improves the radial momentum of water mists using high pressure, expands the atomizing angle of water mists, increases spraying and covers model
Enclose, can effectively put out a fire, but this shower nozzle can not rotate, and its jet length and protection domain are still difficult to meet large space
Fire extinguishing needs.Rotary nozzle, is applied at aspects such as decontamination, drying, cooling, burnings, but is had no in fire-fighting neck
The application in domain.Chinese patent CN102441246A discloses a kind of rotary water mist sprayer, and the shower nozzle is produced using current
Eccentric force rotates, therefore operating pressure is higher, droplet axial momentum is less, spraying distance is still not remote enough.
By the optimization design of shower nozzle inside cavity structure, to increase the rotary speed of shower nozzle, so as to improve its atomization effect
Fruit and the new approaches and new method of operating distance, have not yet to see report.
The content of the invention
It is an object of the invention to provide a kind of fire extinguishing rotation jet water mist shower nozzle, it has, and jet length is remote, protection
Area is big, the advantage that droplet momentum is big, fire-fighting efficiency is high, and the fine mist fire-fighting difficult problem to solve large space provides technology
Support.
The technical solution used in the present invention is：One kind fire extinguishing rotation jet water mist shower nozzle, is followed successively by phase intercommunication outside it
The water pipe head of threaded connection is crossed, water inlet pipe, the bearing being set on water inlet pipe is provided with bearing cap, sprayer body structure on bearing
Into；Surrounding spray orifice is threaded connection with nozzle；Blade is arranged in the groove inside sprayer body；Surrounding spray orifice is evenly distributed on
On sprayer body circumference, its structure is tangential eccentric slot type；The centrage and sprayer body cavity circumference intersection point place water of surrounding spray orifice
Truncation to angle is 45 °, and for sprayer body rotation tangential force is provided, and nozzle is the nozzle for not being atomized core.
Further, described blade is welded on annular cylinder, lobe numbers 3, or the concrete number of blade can
Become.
Further, described surrounding spray orifice is evenly distributed on sprayer body, and nozzle hole number is 3, or spray orifice is concrete
Number can be increasedd or decreased as needed.
Further, described surrounding spray orifice is being evenly distributed on sprayer body, be increased at the top center of sprayer body
One top spray orifice.
The present invention principle be：
One kind fire extinguishing rotation jet water mist shower nozzle, is followed successively by the water pipe head 1 each other by threaded connection outside it, enter
Water pipe 11, the bearing 10 being set on water inlet pipe 11 is provided with bearing cap 2 on bearing, sprayer body 5 is constituted；Spray orifice 6 around three
It is threaded connection respectively with four nozzles 13 with top spray orifice 7；Blade 4 is arranged in the groove 8 inside sprayer body 5；It is special
It is that three spray orifices 6 are evenly distributed on the circumference of sprayer body 5 to levy, and its structure is tangential eccentric slot type；Around three in spray orifice 6
Heart line is 45 ° from the cavity circumference intersection point place horizontal tangential angle of sprayer body 5, and (angle can do appropriate tune according to different requirements
It is whole), provide tangential force for the rotation of sprayer body 5；Top spray orifice 7 is located at the top center of sprayer body 5, and four nozzles 13 do not have
The nozzle of atomization core.
The employing of bearing 10 can not only reduce the coefficient of friction of each part in mechanical process, while can be connected by bearing 10
Tap into water pipe 11 and bearing cap 2 is connected with sprayer body 5, play connection and fixed effect.The use of annular gasket 3, to bearing
10 serve fixation, make the rotation of shower nozzle more stable.
To obtain preferable atomizing effect and increase rotation torque, blade 4, three leaves are mounted with the cavity of sprayer body 5
The uniform welding of piece 4 arranges fluted 8 on annular cylinder in the cavity of sprayer body 5, and blade can be directly installed on sprayer body
In cavity, three blades are evenly distributed on around each two between spray orifice；Bearing cap 2 and sprayer body 5 are threaded connection, both
Between contact distance can adjust as needed.High-Pressure Water is entered in the cavity of sprayer body 5, through stream unit from water inlet pipe 11
Blade 4 enters nozzle 13, and current flow through blade 4 and increase fluid flow-disturbing, to rotary shaft while being favorably improved atomizing effect
Line bias increases the waterpower moment of torsion of the rotation of sprayer body 5.
The rotation jet water mist shower nozzle of the present invention, the sealing of shower nozzle rotary part is crucial.To ensure good sealing,
It is threaded connection between water inlet pipe 11 and water pipe head 1, and O-ring seals is provided with the top of water inlet pipe；Bearing 10 is outer to pacify
Dress bearing cap 2, bearing cap 2 and sprayer body 5 are using threaded connection；Rotating seal ring is employed between bearing cap 2 and water inlet pipe 11
Sealing, has added in annular groove 8, groove 8 on bearing cap 2 and has inlayed rotating seal ring 9.The present invention is implemented from sealing ring
Sealing, its by a low friction filled polytetrafluoroethylene sealing ring and a rubber elastomer constitute, belong to periphery sealing,
The bidirectional rotation sealing ring that acted on by pressure at both sides and pressure changeable, sealing ring is embedded in the ring-shaped groove of axle sleeve, defines
One lubricant reservoir, reduces frictional force, while improve the ratio pressure of sealing surfaces, enhances sealing effectiveness, can play good
Good sealing effectiveness.
Present invention advantage compared with prior art is：
The rotation jet water mist shower nozzle of the present invention, due to adopting blade, can be such that nozzle diameter suitably increases, and be not required to adopt
Atomization core, so as to greatly reduce the pressure loss, improves water mists jet length, increases droplet jet velocity, while contributing to
Spout is avoided to block.The present invention rotation jet water mist shower nozzle can autorotation, without the need for other rotating mechanisms, therefore with structure
The advantages of relatively easy, low cost, high fire-fighting efficiency.
Description of the drawings
Fig. 1 is the fire extinguishing rotation jet water mist shower nozzle full sectional view of the present invention；Wherein 1 is water pipe head, and 2 is bearing
Lid, 3 is annular gasket, and 4 is blade, and 5 is sprayer body, and 6 is surrounding spray orifice, and 7 is top spray orifice, and 8 is groove, and 9 is rotatory sealing
Circle, 10 is bearing, and 11 is water inlet pipe, and 12 is annular gasket；
Fig. 2 is the structural representation of the blade of the present invention, wherein figure (a) is blade construction sketch, figure (b) is that single blade is empty
Between schematic diagram；
Fig. 3 is the sprayer body inner flow passage schematic diagram of the present invention；
Fig. 4 is the full sectional view of the nozzle of the present invention, wherein, 13 is nozzle；
Fig. 5 is the one-jet top view of the present invention；
Fig. 6 is the sprayer body schematic perspective view of the present invention, wherein figure (a) is sprayer body perspective bottom view, figure (b) is shower nozzle
Body solid front view.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention not limited to this.
Embodiment：
The present embodiment is a kind of fire extinguishing rotation jet water mist shower nozzle, and its structure including water pipe is connected to as shown in figure 1, connect
Water inlet pipe 11 on 1, wherein described water feed apparatus include water inlet pipe 11 and the bearing 10 being set on water inlet pipe 11, institute
The bearing 10 stated can not only reduce the frictional resistance of each part in mechanical process, while can also play fixation, described enters
With water pipe head 1 using being threadedly coupled, the bearing cap 2 arranged on bearing is also connected water pipe 11 with sprayer body 5 by screw thread
Connect, bearing 10 and water inlet pipe 11 and bearing cap are all provided with annular gasket in contact site about 2, in order to sealing and fixing.
Fluted 8 are arranged in the inside of sprayer body 5, blade 4 is directly embedded in groove 8.The structure of blade as shown in Fig. 2
Three blades are present invention employs, three blades are evenly distributed between each two spray orifice.High-Pressure Water is entered from water inlet pipe 11
In shower nozzle cavity, nozzle 13 is entered through blade 4, current flow through blade 4 and increase fluid flow-disturbing, while generating to sprayer body
Rotation torque, increases the rotary speed of sprayer body, and atomizing effect is improve to a certain extent.
Spray orifice 6 around three tangential eccentric slot types is uniformly distributed around sprayer body 5, one spray of the correspondence of spray orifice 6 around each
Mouth 13, spray orifice 6 and nozzle 13 constitute three tangential eccentric slot type mist-generating nozzles around these three, and water under high pressure is entered from water inlet pipe 11
In shower nozzle cavity, then sprayed by angled nozzle, form high-pressure spray, three tangential eccentric slot type mist-generating nozzles make use of direct projection energy
Amount and rotating energy, improve the radial momentum of water mists, expand the atomizing angle of heavy pressure fine spray.Tangential trough design, has
Help increase the axial momentum of water mists, make droplet more easily pass the high temperature scene of a fire, realize that depth is put out a fire.In order to ensure the present invention
The sealing of rotation jet water mist shower nozzle, between described water inlet pipe 11 and water pipe head 1 and water inlet pipe 10 and bearing cap 2
All employ sealing device.
Operation principle of the present invention is as follows：Three nozzles 13 are uniformly distributed around sprayer body 5, High-Pressure Water flows through spray orifice around
The waterpower moment of torsion for rotating shower nozzle is produced when 6, so that shower nozzle rotation.Due to the nozzle stream of present invention rotation jet water mist shower nozzle
Amount is relatively small, thus produced waterpower moment of torsion is less, therefore the present invention is mounted with blade in shower nozzle cavity, to increase spray
The rotation torque of head, so as to improve its rotary speed, increases its jet length and protection domain.
Surrounding spray orifice 6 is being evenly distributed on around sprayer body 5, and at the top center of sprayer body 5 top can be increased
End spray orifice 7.
Non-elaborated part of the present invention belongs to the known technology of those skilled in the art.
Claims (4)
1. a kind of fire extinguishing rotation jet water mist shower nozzle, is followed successively by the water pipe head (1) each other by threaded connection outside it, enters
Water pipe (11), the bearing (10) being set on water inlet pipe (11) is provided with bearing cap (2), sprayer body (5) structure on bearing (10)
Into；Surrounding spray orifice (6) is threaded connection with nozzle (13)；Blade (4) is in the internal groove (8) of sprayer body (5)；Its
It is characterised by：Surrounding spray orifice (6) is evenly distributed on sprayer body (5) circumference, and its structure is tangential eccentric slot type；Surrounding spray orifice
(6) centrage and sprayer body (5) cavity circumference intersection point place horizontal tangential angle are 45 °, provide for sprayer body (5) rotation and cut
Xiang Li, nozzle (13) is the nozzle for not being atomized core；
The employing of bearing (10) can not only reduce the coefficient of friction of each part in mechanical process, while can be by bearing (10) even
Tap into water pipe (11) and bearing cap (2) is connected with sprayer body (5), play connection and fixed effect, annular gasket (3) make
With, fixation is served to bearing (10), make the rotation of shower nozzle more stable；
To obtain preferable atomizing effect and increase rotation torque, blade (4), three leaves are mounted with sprayer body (5) cavity
Piece (4) uniform welding arranges fluted (8) on annular cylinder in sprayer body (5) cavity, and blade can be directly installed on
In sprayer body cavity, three blades are evenly distributed on around each two between spray orifice；Bearing cap (2) and sprayer body (5) are by spiral shell
Stricture of vagina connects, and contact distance between the two can be adjusted as needed, and High-Pressure Water is from water inlet pipe (11) into sprayer body (5) chamber
In vivo, through stream unit blade (4) into nozzle (13), current flow through blade (4) and increase fluid flow-disturbing, are favorably improved mist
The waterpower moment of torsion of sprayer body (5) rotation is increased while changing effect to rotation axis off-center；
The sealing of the shower nozzle rotary part of the rotation jet water mist shower nozzle is crucial, is to ensure good sealing, water inlet pipe
(11) it is threaded connection and water pipe head (1) between, and O-ring seals is provided with the top of water inlet pipe；Bearing (10) is pacified outward
Dress bearing cap (2), bearing cap (2) and sprayer body (5) are using threaded connection；Employ between bearing cap (2) and water inlet pipe (11)
Rotating seal ring is sealed, and has been added on bearing cap (2) in annular groove (8), groove (8) and has been inlayed rotating seal ring (9), is selected
Sealing ring come implement sealing, its by a low friction filled polytetrafluoroethylene sealing ring and a rubber elastomer constitute,
Belong to periphery sealing, the bidirectional rotation sealing ring that acted on by pressure at both sides and pressure changeable, sealing ring is embedded in the annular of axle sleeve
In groove, a lubricant reservoir is defined, reduce frictional force, while improve the ratio pressure of sealing surfaces, enhance sealing effect
Really, good sealing effectiveness can be played；
Because the nozzle flow of the rotation jet water mist shower nozzle is relatively small, thus produced waterpower moment of torsion is less, therefore
Be mounted with blade in shower nozzle cavity, to increase the rotation torque of shower nozzle, so as to improve its rotary speed, increase its jet length and
Protection domain.
2. fire extinguishing as claimed in claim 1 is used and revolves jet water mist shower nozzle, it is characterised in that：Described blade (4) is welded on
On annular cylinder, lobe numbers 3, or the concrete number of blade is variable.
3. fire extinguishing as claimed in claim 1 is used and revolves jet water mist shower nozzle, it is characterised in that：Described surrounding's spray orifice (6) is
Even to be distributed on sprayer body (5), nozzle hole number is 3, or the concrete number of spray orifice can be increasedd or decreased as needed.
4. fire extinguishing as claimed in claim 1 is used and revolves jet water mist shower nozzle, it is characterised in that：Described surrounding's spray orifice (6) is
It is even to be distributed on sprayer body (5), increased a top spray orifice (7) at the top center of sprayer body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735470.2A CN104399216B (en) | 2014-12-04 | 2014-12-04 | Fire-extinguishing swirling jet fine mist shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735470.2A CN104399216B (en) | 2014-12-04 | 2014-12-04 | Fire-extinguishing swirling jet fine mist shower nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104399216A CN104399216A (en) | 2015-03-11 |
| CN104399216B true CN104399216B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735470.2A Active CN104399216B (en) | 2014-12-04 | 2014-12-04 | Fire-extinguishing swirling jet fine mist shower nozzle |
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| CN105963890A (en) * | 2016-06-15 | 2016-09-28 | 张舒维 | Intelligent fire fighting system for industrial occasion |
| CN109157785B (en) * | 2018-09-11 | 2024-04-16 | 青岛黄海学院 | Electric automatization spray set |
| CN109985345B (en) * | 2019-03-30 | 2024-03-12 | 嘉兴众盛消防设备有限公司 | Efficient water-based fire extinguisher nozzle |
| CN110420430B (en) * | 2019-07-16 | 2021-07-30 | 江苏科技大学 | Centrifugal fan blade type decontamination spray head based on additive manufacturing process |
| CN110295859A (en) * | 2019-08-06 | 2019-10-01 | 成都阿斯贝瑞科技有限公司 | A kind of rotation well-flushing tool with fluid damping deceleration device |
| CN110613907B (en) * | 2019-09-26 | 2023-08-11 | 南京南消消防控股有限公司 | Hexafluoropropane fire extinguisher and injection apparatus thereof |
| CN111659063B (en) * | 2020-06-11 | 2021-10-15 | 内蒙古安宜建筑工程有限公司 | Fire sprinkler head net-shaped spraying fire extinguishing system |
| CN113333356A (en) * | 2021-05-25 | 2021-09-03 | 王冰 | Intelligent nursing and disinfecting device for infectious department |
| CN114210000A (en) * | 2021-06-07 | 2022-03-22 | 国网河北省电力有限公司邯郸供电分公司 | Microcomputer type intelligent harmonic elimination device |
| CN113713307A (en) * | 2021-08-25 | 2021-11-30 | 杭州爱坦环保科技有限公司 | Novel indoor fire sprinkler head |
| CN114681845B (en) * | 2022-04-22 | 2022-11-25 | 海天消防科技股份有限公司 | Fine water atomization fire extinguishing apparatus with cooling function for transformer substation |
| WO2024001446A1 (en) * | 2022-06-30 | 2024-01-04 | 烟台市北海海洋工程技术有限公司 | Nozzle structure used for fire-fighting, and helicopter platform fire-fighting system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306234B (en) * | 2008-07-12 | 2014-05-28 | 韩铁夫 | Dispensing devices with pre-disposed heat-sensitive mechanism and its use method |
| CN101318165B (en) * | 2008-07-18 | 2012-07-18 | 韩铁夫 | Self-driving rotary dispensing device |
| CN201260860Y (en) * | 2008-09-17 | 2009-06-24 | 陈贤明 | Temperature-sensing rotary type sprinkling and fire-fighting nozzle |
| CN201643500U (en) * | 2010-04-02 | 2010-11-24 | 萃联（中国）消防设备制造有限公司 | Automatic rotary sprayer |
| CN204307248U (en) * | 2014-12-04 | 2015-05-06 | 中国科学技术大学 | A kind of fire extinguishing is with revolving jet water mist shower nozzle |
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