CN103285545B - A kind of Single-fluid water mist type water curtain shower nozzle - Google Patents
A kind of Single-fluid water mist type water curtain shower nozzle Download PDFInfo
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- CN103285545B CN103285545B CN201310207014.6A CN201310207014A CN103285545B CN 103285545 B CN103285545 B CN 103285545B CN 201310207014 A CN201310207014 A CN 201310207014A CN 103285545 B CN103285545 B CN 103285545B
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- shower nozzle
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- waterfog head
- fluid
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Abstract
A kind of Single-fluid water mist type water curtain shower nozzle, belongs to fire fighting device and technical field of safety protection.It includes shower nozzle base, filter screen, rubber washer, shower nozzle parent, waterfog head and rotary fluid；Shower nozzle base and shower nozzle parent connect, and filter screen is placed between the two；Rubber washer is placed in the gasket recess of shower nozzle parent, and filter screen and rubber washer are fixed between the two when connecting by shower nozzle base and shower nozzle parent, thus play the effect of impurity screening and sealing；Rotary fluid connects in the cavity being placed in waterfog head, and waterfog head is fastened on shower nozzle parent formation water mists drencher, and waterfog head is connected with the cavity in shower nozzle parent.The water consumption of this invention is substantially reduced, and scene of a fire water damage is the least.The water smoke drop of dense water smoke and high momentum, can be greatly lowered the heat of fire smoke and slow down its diffusion rate of propagation, playing good resistance cigarette effect of heat insulation.
Description
Technical field
The present invention relates to a kind of water mists type drencher, belong to fire fighting device and technical field of safety protection.It can be
Under the pressure water action of 4-10MPa, producing the water mists flow field of 180 ° of covering of the fans that granularity is below 400um, mist field cross section is
Strip, plays the effect that resistance cigarette is heat insulation on the path of flue gas diffusional flow.
Background technology
In the social life of the mankind, be frequently encountered multiple disaster, and fire to be harm face the widest, occurrence probability is the highest
One, and along with the development of the productivity and the accumulation of the wealth of society, the loss that fire is caused is increasing.In fire,
Except the thermal-flame destruction to lives and properties, the life threat that disaster affected people is maximum is come from the high temperature of burning generation, has
Toxic smoke gas, on the scene of a fire, the dead of 70%-80% causes owing to flue gas suffocates according to statistics.Research worker flutterring for fire
Rescuing, substantial amounts of research work has been carried out in the control of scene of a fire flue gas.
Building inherent Smoke prevention, separated place many uses fire wall, fire resisting shutter, smoke-proof pendant wall and the water of fire compartment at present
Curtain system is protected.But in the space with limited height long and narrow at some (such as long and narrow building corridor, tunnel), install fixing
Smoke-proof pendant wall carries out Smoke prevention segmentation and impacts spatial integral structure seriality, cannot in building doorway or long and narrow passage
Use the completely enclosed separators such as fire wall.It addition, the discharge of water curtain system is very big, water damage is serious.Therefore, open
Send high-efficiency water-saving water curtain for reduce fire extinguishing procedure cause water damage, improve gear cigarette effect extremely important.
Water mists technology has non-environmental-pollution, the water consumption feature such as little low, destructive to protection object, as the most preferable
Halon fire agent succedaneum, receive significant attention in recent years and apply.Research shows, water mist system can produce has one
Determining momentum, dense water smoke field, the heat absorption barrier that highdensity water smoke and evaporation process produce can interdict flame and flue gas
Radiant heat transmits, and the water mists drop of high-speed motion can utilize inertial collision, retain, spreads and the mechanism such as coagulation is effectively washed away
Flue gas particle, thus play resistance cigarette and heat insulation effect.Compared with water curtain system, water consumption and water damage are greatly reduced.
Retrieval finds, the most domestic patent of invention 113 relevant to water mists, utility model 213.Such as, application
Number (200810120156.8) disclose a kind of Backpack fire extinguisher with atomization device, and water mists is exhaled device to be combined with sky by this device,
Startup pressure is utilized to reach atomization and the purpose of protection fireman；Application number (201220221498.0) is based on effervescent atomization principle
Developing a kind of fine water fog spraying gun, this spray gun can obtain under 1MPa pressure below that to have the I level of good extinguishing effect thin
Water smoke.But, these inventions are mostly developed for fine mist fire-fighting function, are studied, and utilize different atomization technique, interpolation
Agent improves system extinguishing effect, and combines sky and exhale the device more safe and reliable Backpack fire extinguisher with atomization device of exploitation.At present, do not have
Have and develop the product applying water mist system to carry out Smoke prevention separation.
In sum, develop the water mists drencher that a kind of energy consumption is little, simple in construction, safety coefficient are high, applied
Between building middle part, corridor, doorway, Subway Station Platform and track regions between corridor and cup, the long and narrow sky such as tunnel
Between will be with a wide range of applications and practical value.
Summary of the invention
According to building in fire smoke spread rule, and the defect that fire separation facility water consumption is big, institute of the present invention
Solve the technical problem that and be: a kind of water mists type drencher is provided, utilize this shower nozzle to produce fan-shaped water mists water curtain flow field,
Have simple in construction, atomizing effect is good, water consumption is little, heat insulation smoke retaining can wait feature well.
The present invention solves the technical scheme of described technical problem: a kind of Single-fluid water mist type water curtain shower nozzle, including spray
Head base 1, filter screen 2, rubber washer 3, shower nozzle parent 4, waterfog head 5 and rotary fluid 6.Shower nozzle base 1 and shower nozzle parent 4 are even
Connecing, filter screen 2 is placed between the two, and rubber washer 3 is placed in the gasket recess of shower nozzle parent 4, shower nozzle base 1 and shower nozzle parent 4
During connection, filter screen 2 and rubber washer 3 are fixed between the two, thus play the effect of impurity screening and sealing.Rotary fluid 6 is even
Connecing in the cavity being placed in waterfog head 5, waterfog head 5 is fastened on shower nozzle parent 4 formation water mists drencher, water smoke
Shower nozzle 5 is connected with the cavity in shower nozzle parent 4.
Described rotary fluid 6 and the number of waterfog head 5 are six.
The side outer wall of described shower nozzle parent 4 is semicircle, and the jet of described water mists drencher is described
Semi-circular outer walls on be uniformly distributed.
It is threaded connection between shower nozzle base 1 and shower nozzle parent 4.
Rotary fluid 6 is threaded connection in the cavity being placed in waterfog head.
Waterfog head 5 is threaded connection and is fixed on shower nozzle parent formation water mists drencher.
Water mists drencher is based on single fluid pressure swirl atomizing principles, and using water as atomizing medium, water is at pressure
Entering water mists drencher by the cavity on shower nozzle base 1 and shower nozzle parent 4 under driving, water is by shower nozzle base 1 and spray
Filter screen 2 between head parent 4 filters, and by the split channel shunting that 6 angles are 30 °, enters inside water mists drencher by revolving
The swirl channel that fluid 6 is constituted, accelerates in the passage of convergence, is sprayed, at pressure by the slit on waterfog head 5 or aperture
Be centrifuged from effect under, water conservancy crushes by the high speed difference with outside air, is atomized.If the spray orifice slit of waterfog head 5,
Its wide 0.5-1mm, long 5-10mm；If aperture, then hole diameter is less than 2mm.Waterfog head 5 is in semi-circular arrangement, at water mists
Drencher downstream forms fan-shaped water mists water curtain, and flow field cross-section downstream is strip.
The present invention can combine with high-pressure hydraulic pump or gas cylinder and constitute middle high-pressure water mists water curtain system, it is adaptable to build
Build between middle part, long and narrow corridor, doorway, Subway Station Platform and track regions between corridor and cup, the long and narrow sky such as tunnel
Between, by water curtain play resistance cigarette, heat insulation effect, ignition zone and non-ignition zone are separated, reach control fire and smoke spread and
The purpose of safe escape condition is provided for scene of a fire personnel.
The invention has the beneficial effects as follows: it can be under the pressure water action of 4-10MPa, and producing granularity is below 400um's
The water mists flow field of 180 ° of covering of the fans, plays the effect of heat insulation resistance cigarette on the path of flue gas diffusional flow.With traditional water curtain spray
Head is compared, and the water consumption of this invention is substantially reduced, and scene of a fire water damage is the least.The water smoke liquid of dense water smoke and high momentum
Drip, the heat of fire smoke can be greatly lowered and slow down its diffusion rate of propagation, playing good resistance cigarette effect of heat insulation.
Accompanying drawing explanation
6, the attached structure chart of the present invention.
Fig. 1 is water mists drencher overall structure schematic diagram；
Fig. 2 is shower nozzle understructure profile；
Fig. 3 is shower nozzle precursor structure profile；
Fig. 4 is shower nozzle parent plan structure schematic diagram；
Fig. 5 is waterfog head section of structure；
Fig. 6 is rotary fluid structural representation.
In figure: 1-shower nozzle base；2-filter screen；3-rubber washer；4-shower nozzle parent；5-waterfog head；6-rotary fluid.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.By water mists drencher, power source (water pump or
Gas cylinder) and hydraulic pipeline composition water curtain system, use in corridor, corridor and cup doorway or tunnel.According to applicable field
The transverse width closed determines shower nozzle number and spray direction, and system is controlled by fire smoke-sensitive alarm device.Chien shih in gallery
Used time, water mists drencher is upwards installed, and prevents flue gas from having between pipeline and ceiling and protection blind area occurs, shower nozzle sprays
First water smoke drop clashes into ceiling wall, under the effect of impact force water droplet secondary-atomizing decline so that water smoke more carefully, more equal
Even, also effectively prevent simultaneously and the Smoke prevention blind area caused upwards is installed.When installing on doorway, owing to having between the upper limb of door and ceiling
Body of wall and other intervals define physical separation, and therefore shower nozzle can be installed directly down, are pressing close to formation water mists water at door
Curtain separates, thus plays the effect that resistance cigarette is heat insulation.
When fire occurs, alarm united opening hydraulic pipeline, water enters shower nozzle parent 4, is arranged by parent subsequently
6 tap holes shunt through rotary fluid 6, finally spray from each waterfog head 5.Water is inside water mists drencher, at height
Flowing through rotary fluid under the effect of pressure, and flow along the arc groove on rotary fluid, current accelerate, and direction rotates by water smoke
Shower nozzle 5 sprays, pressure and be centrifuged from effect under, water conservancy crushes by the high speed difference with outside air, is atomized, end form
Become water mists water curtain, the path that fire smoke spreads realizes water smoke water curtain and separates, stop flue gas diffusion and the transmission of heat.
Shower nozzle parent 4 is to connect hydraulic pipeline and the component of waterfog head 5, is a fan-shaped cavity, by 6 inside it
The connecting hole of a diameter of 2-3mm and rotary fluid 6 and be connected, connecting hole interval 30.Rotary fluid 6 and waterfog head 5 pass through spiral shell respectively
Stricture of vagina is connected with each other with parent 4.Rotary fluid 6 end is truncated cone-shaped, and round platform surface is uniformly arranged 4 arc tanks, the direction of tank
Being 45 angles with the middle fine rule selecting fluid, the surface of round platform coincide with the inner surface of waterfog head 5, and water is through rotary fluid and water smoke
Flowing along tank during shower nozzle, flow direction occurs 45 ° of deflections to form eddy flow, thus improves atomizing effect.The water outlet of waterfog head 5
Hole dimension is 1-2mm, or is the slit of 1mm.Sealed silicon cushion rubber 3 is placed in the gasket groove of shower nozzle parent 4, in order to ensure shower nozzle
Sealing.Filter screen 2 ensures the cleannes of water by filtering, and prevents the spray orifice of impurity blocking waterfog head, when shower nozzle base and spray
Head parent is squeezed between when connecting.
Claims (5)
1. a Single-fluid water mist type water curtain shower nozzle, it is characterised in that: it includes shower nozzle base (1), filter screen (2), rubber blanket
Circle (3), shower nozzle parent (4), waterfog head (5) and rotary fluid (6)；Shower nozzle base (1) and shower nozzle parent (4) connect, filter screen (2)
It is placed between the two；Rubber washer (3) is placed in the gasket recess of shower nozzle parent (4), shower nozzle base (1) and shower nozzle parent (4)
During connection, filter screen (2) and rubber washer (3) are fixed between the two, thus play the effect of impurity screening and sealing；Eddy flow
Body (6) connects in the cavity being placed in waterfog head (5), and waterfog head (5) is fastened on shower nozzle parent (4) and forms water mists
Drencher, waterfog head (5) is connected with the cavity in shower nozzle parent (4)；
The side outer wall of described shower nozzle parent (4) is semicircle, and the jet of described water mists drencher is described
It is uniformly distributed on semi-circular outer walls；
When using in the middle of gallery, water mists drencher is upwards installed；When using on doorway, water mists drencher to
Lower installation；
Described rotary fluid (6) and the number of waterfog head (5) are six, and each described rotary fluid (6) becomes 30 ° of angles；Rotary fluid
(6) end is truncated cone-shaped, and round platform surface is uniformly arranged 4 arc tanks, the middle fine rule of the direction of tank and rotary fluid (6) in
45 ° of angles.
A kind of Single-fluid water mist type water curtain shower nozzle the most according to claim 1, it is characterised in that: waterfog head (5)
Spray holes is wide 0.5-1mm, the slit of long 8-10mm, or the aperture that diameter is less than 2mm.
A kind of Single-fluid water mist type water curtain shower nozzle the most according to claim 1, it is characterised in that: shower nozzle base (1) and
Shower nozzle parent is threaded connection between (4).
A kind of Single-fluid water mist type water curtain shower nozzle the most according to claim 1, it is characterised in that: rotary fluid (6) passes through
In the threaded cavity being placed in waterfog head (5).
A kind of Single-fluid water mist type water curtain shower nozzle the most according to claim 1, it is characterised in that: waterfog head (5) leads to
Cross the threaded shower nozzle parent (4) that is fixed on and above form water mists drencher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207014.6A CN103285545B (en) | 2013-05-29 | 2013-05-29 | A kind of Single-fluid water mist type water curtain shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207014.6A CN103285545B (en) | 2013-05-29 | 2013-05-29 | A kind of Single-fluid water mist type water curtain shower nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103285545A CN103285545A (en) | 2013-09-11 |
| CN103285545B true CN103285545B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310207014.6A Expired - Fee Related CN103285545B (en) | 2013-05-29 | 2013-05-29 | A kind of Single-fluid water mist type water curtain shower nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103285545B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267655A (en) * | 2016-09-08 | 2017-01-04 | 中国科学技术大学 | A kind of water mists curtain shower nozzle |
| CN111621962A (en) * | 2019-02-28 | 2020-09-04 | 青岛海尔洗衣机有限公司 | Wall-mounted washing machine |
| CN110490426A (en) * | 2019-07-24 | 2019-11-22 | 武汉科技大学 | A kind of appraisal procedure for tunnel fire hazard water curtain gear cigarette heat insulation |
| CN111617420A (en) * | 2020-05-21 | 2020-09-04 | 中国人民警察大学 | Movable type water mist extinguishing and preventing integrated device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465925A (en) * | 2002-12-17 | 2004-01-07 | 中国科学技术大学 | Fine water spray generator |
| CN101058014A (en) * | 2007-06-11 | 2007-10-24 | 北京航空航天大学 | High-pressure extinguishing nozzle with fine spraying for submarine and ship habitation cabin |
| CN101301643A (en) * | 2008-06-10 | 2008-11-12 | 梁伟 | Rotating self-drifting water paint showerhead |
| CN102441246A (en) * | 2010-09-30 | 2012-05-09 | 上海靓消消防装备有限公司 | Rotary water mist sprayer |
-
2013
- 2013-05-29 CN CN201310207014.6A patent/CN103285545B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465925A (en) * | 2002-12-17 | 2004-01-07 | 中国科学技术大学 | Fine water spray generator |
| CN101058014A (en) * | 2007-06-11 | 2007-10-24 | 北京航空航天大学 | High-pressure extinguishing nozzle with fine spraying for submarine and ship habitation cabin |
| CN101301643A (en) * | 2008-06-10 | 2008-11-12 | 梁伟 | Rotating self-drifting water paint showerhead |
| CN102441246A (en) * | 2010-09-30 | 2012-05-09 | 上海靓消消防装备有限公司 | Rotary water mist sprayer |
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| Publication number | Publication date |
|---|---|
| CN103285545A (en) | 2013-09-11 |
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| C10 | Entry into substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |