CN102989099B - A kind of water mist curtain spray head - Google Patents
A kind of water mist curtain spray head Download PDFInfo
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- CN102989099B CN102989099B CN201210465626.0A CN201210465626A CN102989099B CN 102989099 B CN102989099 B CN 102989099B CN 201210465626 A CN201210465626 A CN 201210465626A CN 102989099 B CN102989099 B CN 102989099B
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- nozzle
- mist curtain
- spray head
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Abstract
The invention belongs to fire-fighting Smoke prevention depositing dust field, be specifically related to a kind of water mist curtain spray head.The present invention includes the first jet that injection direction is arranged down, described first jet be provided with the transition part both being communicated with between outer water tube, described water mist curtain spray head at least also comprises second nozzle, and described second nozzle injection direction level left and/or to the right and be communicated with outer water tube via transition part and arrange.The present invention can turn avoid traditional single injector structure and accelerate upper strata smog and sink and the human safety issues that causes while effectively making up the spraying dead angle of traditional structure, the high and reliable and stable work of its security.
Description
Technical field
The invention belongs to fire-fighting Smoke prevention depositing dust field, be specifically related to a kind of water mist curtain spray head.
Background technology
Water mist curtain spray head is the chief component of water mists curtain system; The main automatic spray fine water mist fire-extinguishing system playing back-fire relief, cooling, buffer action that water mists curtain system is made up of water mist curtain spray head, water supply and distributing pipe line, control valve, water flow alarm device and deluge alarm valve group or temperature-sensitive drench valve etc.; it is mainly used in as between each fire district in building, public place or equipment, to play the object of the protection of water mists curtain or fireproof partition.Water is sprayed mist formation curtain shape by water mists curtain shower nozzle, and its effect cools fire separation thing as fire resisting shutter or fireproof curtain etc., to improve its fire resistance, or forms fire prevention mist curtain prevention flame through opening, prevents fire spreading.Current water mist curtain spray head mostly to adopt on a water pipe spacing to be at certain intervals arranged in juxtaposition multiple one-jet mode and realizes, each nozzle spray direction is identical and arrange all down, its defect existed is: first, the single injector arrangement mode that tradition water mists curtain shower nozzle is arranged on single water pipe, its water smoke kinetic energy is low, mist curtain thickness is obviously not enough, be difficult to meet actual needs, fireproof occasions as larger in winds such as subways is applied to once it, often dispel mist curtain when fire because passage wind-force is excessive, affect its fireproof partition ability; Secondly, traditional single-nozzle mist type is little, and this just requires should arrange between each water mist curtain spray head closely, and spacing is generally less than 500mm, thus causes needs to arrange more shower nozzle on a pipeline, input and maintenance cost higher; Again, tradition single injector is for ease of forming mist curtain, its injection direction is arranged all down, again because the water smoke of single injector ejection is that mist is tapered, the below of the tapered spraying of mist naturally can be intersected with each other and form mist curtain shape veil wall, but, but neutral gear position is certainly existed above it, also namely what is often called spraying " dead angle ", specifically to can refer to shown in Fig. 1, and when actual breaking out of fire, the top of what flue gas spread at first is exactly building, so, the injection dead angle a of traditional water mists curtain system exactly cannot play the effect hindering top of building flue gas; In addition, nozzle sprinkler design down, its water smoke momentum is all from top to bottom, often accelerates the decline of upper strata smog, is unfavorable for escape on the contrary, thus produces use hidden danger.The many disadvantages of above-mentioned traditional water mist curtain spray head, all brings very big puzzlement to those skilled in the art.
Summary of the invention
The object of this invention is to provide the simple water mist curtain spray head of a kind of structure, its can effectively realize water mists curtain system without dead angle flue gas effect, the high and reliable and stable work of its security.
For achieving the above object, present invention employs following technical scheme: a kind of water mist curtain spray head, comprise the first jet that injection direction is arranged down, described first jet be provided with the transition part both being communicated with between outer water tube, described water mist curtain spray head at least also comprises second nozzle, and described second nozzle injection direction level left and/or to the right and be communicated with outer water tube via transition part and arrange.
Major advantage of the present invention is: pass through said structure, rely on original vertically arranged main burner also namely the one or both sides of first jet arrange horizontal nozzles also i.e. second nozzle, thus when multiple water mist curtain spray head arranges formation water mist curtain wall successively, its each horizontal nozzles also can be arranged successively and be played the effect making up main burner spraying dead angle, and then ensure that the globality forming veil wall, finally guarantee its smog barrier effect for fire generation area.Meanwhile, when the present invention works, what the vertical gradient in its space was formed is also two-layer water smoke, its upper strata water smoke mainly horizontal nozzles form horizontal spraying form, shorter and the kinetic energy of its jet length is strong, and lower floor is the vertical water smoke form that forms of main burner mainly, its water smoke free settling; Again because smog is all first fill the air sheaf space on building, and increase gradually from the top down and spread, its upper strata smoke flow momentum is maximum, the horizontal spraying of so just handy high momentum carries out the stop of horizontal direction, the human safety issues caused turn avoid the smog sinking of traditional single injector structure acceleration upper strata while effectively making up the spraying dead angle of traditional structure, achieves many things at one stroke.
Accompanying drawing explanation
Fig. 1 is the view that traditional water mist curtain spray head forms water mist curtain wall;
Fig. 2 is stereoscopic-state figure of the present invention;
Fig. 3 is front view of the present invention;
Fig. 4 is the half sectional view of Fig. 3 left view;
Fig. 5 is each nozzle location graph of a relation on the first mist curtain layer;
Fig. 6 is the location diagram of each nozzle on the second mist curtain layer;
Fig. 7 is the structural representation of shower nozzle.
Detailed description of the invention
A kind of water mist curtain spray head, comprise the first jet 10 that injection direction is arranged down, described first jet 10 be provided with the transition part 40 both being communicated with between outer water tube, described water mist curtain spray head at least also comprises second nozzle 20, and described second nozzle 20 injection direction level left and/or to the right and be communicated with outer water tube via transition part 40 and arrange.
Its practical structures as illustrated in figs. 2-7, because water mist curtain spray head is all multiple be arranged side by side on water pipe in use, therefore, horizontal nozzles (being also second nozzle 20) is arranged in the one or both sides that the present invention relies on original vertically arranged main burner (being also first jet 10), thus when in outer water tube, arrangement forms water mist curtain wall to multiple water mist curtain spray head successively, its first jet 10 still plays the effect of traditional Jet with downward flow direction water smoke, and its horizontally disposed second nozzle 20, then play the first jet 10 made up as shown in Figure 1 to spray the effect at a place, dead angle, and then ensure that the globality forming veil wall, finally guarantee its smog barrier effect for fire generation area.Simultaneously, when the present invention works, what the vertical gradient in its space was formed is also two-layer water smoke, its upper strata water smoke mainly second nozzle 20 form horizontal spraying form, because second nozzle 20 injection direction level own is directed to the gap location of two water mist curtain spray head of adjacent layout, the restriction of its jet length ensure that it sprays the powerful property of kinetic energy on the contrary, and lower floor's mainly vertical water smoke form of forming of first jet 10, its water smoke free settling can ensure its insulating effect for lower floor's smog; Even if smog is all first fill the air sheaf space on building, and increase gradually from the top down and spread, its upper strata smoke flow momentum is maximum, also the stop of horizontal direction can be carried out with the horizontal spraying of high momentum, and guarantee that upper strata smog produces translation instead of decline along second nozzle 20 injection direction all the time simultaneously, the human safety issues caused turn avoid the smog sinking of traditional structure acceleration upper strata while effectively making up the spraying dead angle of traditional structure, achieves many things at one stroke.Designed by the multiinjector of above-mentioned single shower nozzle, this single shower nozzle Smoke prevention can reach 5 ~ 6 meters especially, also greatly reduces its stringing amount, also can effectively improve its operating efficiency.
For avoiding misleading reader, the injection pointing direction of above-mentioned each nozzle, is according to the positive facial vision of installation direction during its integral installation and determines; As shown in Figure 5, first jet 10 injection direction down, be first jet 10 injection direction and point to ground place (being also the injection direction of traditional single injector project organization), and second nozzle 20 injection direction is arranged left and to the right, then for when the present invention installs, its second nozzle 20 points to another water mist curtain spray head place being positioned at its both sides place all the time, and all shower nozzle axis in each water mist curtain spray head are all in the same plane, as shown in Figure 3, the A-A plane place that first mist curtain layer is located thereon, the B-B plane place that the second mist curtain layer is located thereon; When first jet 10 axes normal is arranged, the axis of its second nozzle 20 is then correspondingly positioned on horizontal plane; Certainly, also only have above-mentioned design, its veil wall form can be formed just now, just repeat no longer one by one herein.
As present invention further optimization scheme: described water mist curtain spray head also comprises the 3rd nozzle 30 of the oblique setting of injection direction, described 3rd nozzle 30 is positioned between first jet 10 and second nozzle 20 and three's axis is all in the same plane; Second, third nozzle 20,30 described is two simultaneously, and second, third nozzle 20,30 symmetry described is distributed in the both sides place of first jet 10.Why adopt above-mentioned structure, be herein consider that second nozzle 20 sprays dead angle area for first jet 10 be filled with validity; By arranging the 3rd nozzle 30 of angular injection, thus the effect making up dead angle area further can be played, further to guarantee that the present invention forms the integrality of veil wall, thus being conducive to realizing the effective insulating for conflagration area smog.
Further, the plane that described first, second, third nozzle 10,20,30 axis is formed forms the first mist curtain layer of water mist curtain spray head, and described water mist curtain spray head at least also comprises that be arranged in the first mist curtain layer rear place with the second mist curtain layer that is its formation parallel relation; Described second mist curtain layer comprises secondary nozzle 50, described secondary nozzle 50 for multiple and respectively and between first, second, third nozzle 10,20,30 position be crisscross arranged, specifically as shown in figures 2-6.Like this, by stopping that along its smog direction intersects successively, double-deck distributed multilevel mist curtain Rotating fields, the shower nozzle not only further relying on multiple echelon to arrange solves the problem at above-mentioned spraying dead angle, even if still there is part of spray dead angle in the first mist curtain layer being also namely positioned at front, its mist curtain layer is caused to there is leak, now rely on the nebulization of the secondary nozzle 50 at the rear of its arranged crosswise, once more play the effect making up this execution angle; Simultaneously, the spaced cavities (being also the A-A plane shown in Fig. 3 and the idle area between B-B plane) that double-deck mist curtain interlayer is formed, air-flow high-speed motion in this cavity, thus form disorderly air-flow, not only can strengthen the atomizing effect of each nozzle greatly, also ensure that the uniformity sprayed in its space simultaneously.In addition, obviously visible, double-deck mist curtain layer adds the thickness of water smoke, also greatly improves the ability of its Smoke prevention, depositing dust; Even if when the present invention is applied to fireproof occasions as larger in winds such as subways, each mist curtain layer, owing to arranging perpendicular to its passage wind direction, also can not dispel mist curtain because passage wind-force is excessive, affect its fireproof partition ability.The layout number of secondary nozzle 50, can determine according to actual conditions, when being five nozzles as being applied to the first mist curtain layer shown in Fig. 5, secondary nozzle 50 on its second mist curtain layer can be four and in the gap location being spatially arranged in each nozzle on the first mist curtain layer respectively, thus realizes its assistant spray and thicken the effect of water smoke.
Further, described transition part 40 profile is hollow cylindrical, its openend forms the water inlet end being communicated with outer water tube, transition part 40 periphery is furnished with the duct for assembling shower nozzle running through its barrel, on second perisporium that described duct is arranged in hollow cylindrical transition part 40 and each nozzle of one_to_one corresponding arrange.In fact, transition part 40 is as the carrier of above-mentioned each nozzle, serve the object connecing and draw outer water tube current and distributed these current by duct, the project organization of its nozzle, directly can use the atomizer of existing Known Species or take the circumstances into consideration to select according to user's practical capacity, as long as it is concrete every flue gas ability to realize it, just repeat no more herein.
Claims (3)
1. a water mist curtain spray head, comprise the first jet (10) that injection direction is arranged down, it is characterized in that: described first jet (10) be provided with the transition part both being communicated with (40) between outer water tube, described water mist curtain spray head at least also comprises second nozzle (20), and described second nozzle (20) injection direction level left and/or to the right and be communicated with outer water tube via transition part (40) and arrange;
Described water mist curtain spray head also comprises the 3rd nozzle (30) of the oblique setting of injection direction, and described 3rd nozzle (30) is positioned between first jet (10) and second nozzle (20) and three's axis is all in the same plane;
The plane that described first, second, third nozzle (10,20,30) axis is formed forms the first mist curtain layer of water mist curtain spray head, and described water mist curtain spray head at least also comprises that be arranged in the first mist curtain layer rear place with the second mist curtain layer that is its formation parallel relation; Described second mist curtain layer comprises secondary nozzle (50), described secondary nozzle (50) for multiple and respectively and between first, second, third nozzle (10,20,30) position be crisscross arranged.
2. water mist curtain spray head according to claim 1, is characterized in that: second, third nozzle described (20,30) is two, and second, third nozzle described (20,30) symmetry is distributed in the both sides place of first jet (10).
3. water mist curtain spray head according to claim 1, it is characterized in that: described transition part (40) profile is hollow cylindrical, its openend forms the water inlet end being communicated with outer water tube, transition part (40) periphery is furnished with the duct for assembling shower nozzle running through its barrel, on second perisporium that described duct is arranged in hollow cylindrical transition part (40) and each nozzle of one_to_one corresponding arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465626.0A CN102989099B (en) | 2012-11-17 | 2012-11-17 | A kind of water mist curtain spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465626.0A CN102989099B (en) | 2012-11-17 | 2012-11-17 | A kind of water mist curtain spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102989099A CN102989099A (en) | 2013-03-27 |
| CN102989099B true CN102989099B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210465626.0A Expired - Fee Related CN102989099B (en) | 2012-11-17 | 2012-11-17 | A kind of water mist curtain spray head |
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| Country | Link |
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| CN (1) | CN102989099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103316442B (en) * | 2013-06-14 | 2016-04-20 | 中国科学技术大学 | A kind of micro-fog screen sprayer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697740A (en) * | 1985-12-05 | 1987-10-06 | Ivy Eugene W | Mist generator with piercing member |
| GB2390019A (en) * | 2002-06-25 | 2003-12-31 | Aqua Mist Fire Technology Ltd | Sprinkler system |
| DE20318317U1 (en) * | 2003-10-30 | 2005-03-17 | Kidde Deugra Brandschutzsystem | Nozzle element for distribution of fluid evaporating fire extinguishing medium, comprising surrounding row of holes |
| CN1772393A (en) * | 2004-11-09 | 2006-05-17 | 财团法人工业技术研究院 | Sprayer |
| TWM328292U (en) * | 2007-09-10 | 2008-03-11 | Architecture And Building Res Inst Ministory Of The Interior | Water mist sprinkler |
| CN102058946A (en) * | 2011-01-07 | 2011-05-18 | 广州中国科学院工业技术研究院 | Novel centrifugal fine water mist spray head |
| CN202096638U (en) * | 2011-05-26 | 2012-01-04 | 禹尚企业股份有限公司 | Spray nozzle |
| CN202933417U (en) * | 2012-11-17 | 2013-05-15 | 合肥辰泰安全设备有限责任公司 | Water mist curtain spray head |
-
2012
- 2012-11-17 CN CN201210465626.0A patent/CN102989099B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697740A (en) * | 1985-12-05 | 1987-10-06 | Ivy Eugene W | Mist generator with piercing member |
| GB2390019A (en) * | 2002-06-25 | 2003-12-31 | Aqua Mist Fire Technology Ltd | Sprinkler system |
| DE20318317U1 (en) * | 2003-10-30 | 2005-03-17 | Kidde Deugra Brandschutzsystem | Nozzle element for distribution of fluid evaporating fire extinguishing medium, comprising surrounding row of holes |
| CN1772393A (en) * | 2004-11-09 | 2006-05-17 | 财团法人工业技术研究院 | Sprayer |
| TWM328292U (en) * | 2007-09-10 | 2008-03-11 | Architecture And Building Res Inst Ministory Of The Interior | Water mist sprinkler |
| CN102058946A (en) * | 2011-01-07 | 2011-05-18 | 广州中国科学院工业技术研究院 | Novel centrifugal fine water mist spray head |
| CN202096638U (en) * | 2011-05-26 | 2012-01-04 | 禹尚企业股份有限公司 | Spray nozzle |
| CN202933417U (en) * | 2012-11-17 | 2013-05-15 | 合肥辰泰安全设备有限责任公司 | Water mist curtain spray head |
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| CN102989099A (en) | 2013-03-27 |
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Granted publication date: 20151111 Termination date: 20191117 |