CN204723650U - A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing - Google Patents
A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing Download PDFInfo
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- CN204723650U CN204723650U CN201520368591.8U CN201520368591U CN204723650U CN 204723650 U CN204723650 U CN 204723650U CN 201520368591 U CN201520368591 U CN 201520368591U CN 204723650 U CN204723650 U CN 204723650U
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- 238000000889 atomisation Methods 0.000 title claims abstract description 110
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000003500 flue dust Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000005507 spraying Methods 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 230000005684 electric field Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing, comprise nozzle body, nozzle entrance is provided with in nozzle body, middle successive watercourse, direct projection ejection water channel, one-level screw conic die cavity, intermediate cavity and deuterostrophies cone shaped body, the outlet of one-level screw conic die cavity is communicated with intermediate cavity, intermediate cavity is by the inlet communication of spiral channel and deuterostrophies cone shaped body, the outlet of deuterostrophies cone shaped body is water smoke ejiction opening, the middle part of spiral channel is connected with atomization inlet hole, nozzle body is provided with the first valve mechanism being only communicated with middle successive watercourse for Control Nozzle entrance or being communicated with middle successive watercourse simultaneously, water channel and the second valve mechanism being atomized inlet hole and being communicated with or disconnecting is sprayed respectively with direct projection for controlling middle successive watercourse.The utility model have structure simple, be easy to processing and fabricating, cost of manufacture low, the advantages such as different working condition requirements can be met by rapid translating.
Description
Technical field
The utility model relates to fire-fighting equipment technical field, is specifically related to a kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing.
Background technology
Water Mist Fire Extinguishing Technique due to its have non-environmental-pollution, not loss ozone layer, without greenhouse effects, fire extinguishing rapidly, water consumption is low, to the destructive little feature of the object that catches fire, for the special fire of control common inside fire, high-tech sector and substantial industrial dangerous matter sources, in the appliance fire of such as computer floor fire, modern large enterprise, ship power machinery space fire and aeronautics and space aircraft cabin, fire etc. illustrates wide application prospect, has very large economic benefit and social benefit.
In recent years, China's transmission line forest fire disaster takes place frequently, and very easily causes tripping operation power outage, brings serious threat to power system.Due to the high-lift height in the on-the-spot mountain of transmission line forest fire, and on-the-spot without water source, Water Mist Fire Extinguishing Technique is widely used in the fire extinguishing of transmission line forest fire.The comparatively large and transmission line of electricity of the transmission line forest fire intensity of a fire may trip, special requirement is had: 1, Pcnten-1 yne-4 is even to the water mists of transmission line forest fire of putting out a fire to save life and property, and there is larger atomization cone angle, to control the scene of a fire rapidly, prevent transmission line of electricity tripping operation in fire extinguishing procedure; 2, according to the mechanism of transmission line forest fire tripping operation, flame temperature, dust concentration and electronic and ionic concentration are the principal elements affecting transmission line forest fire tripping operation, carbon granule wherein in flue dust causes electric field distortion below transmission line of electricity, more easily form discharge channel, therefore water mists should have the ability of certain absorption flue dust, but droplet size is the first element affecting efficiency of dust collection, the atomizing particle diameter of high-pressure fine water mist nozzle ejection should control within the specific limits; 3, droplet should have larger momentum after ejecting, and directly can penetrate into the root of flame, reaches the object of quick extinguishing, and meets fire extinguishing personnel needs as far as possible away from the scene of a fire, realizes the requirement of remote fire extinguishing.But droplet momentum is determined by Quality of fogdrop and speed, if the diameter of droplet is too small, then large by air drag, be difficult to penetrate flame, therefore require again that high-pressure fine water mist nozzle can spray larger-diameter atomizing particle.4, the same transmission line forest fire scene of a fire needs the spray pattern of different fogging degree in different fire phases, to meet quick extinguishing, dedusting and remote demand of putting out a fire.
Existing usual pressure shower nozzle is directly under high pressure converted to atomization at extinguishing chemical, and its uniformity is better, but atomization diameter is large, and extinguishing property and dust removing effects are all difficult to meet transmission line forest fire fire extinguishing.And existing multistage fire extinguishing sprayer processing difficulties, economic performance are low, be unfavorable for applying.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiency that prior art exists, provide a kind of structure simple, be easy to processing and fabricating, cost of manufacture low, the double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing of different working condition requirement can be met by rapid translating.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing, comprise nozzle body, nozzle entrance is provided with in described nozzle body, middle successive watercourse, direct projection ejection water channel, one-level screw conic die cavity, intermediate cavity and deuterostrophies cone shaped body, the outlet of described one-level screw conic die cavity is communicated with intermediate cavity, described intermediate cavity is by the inlet communication of spiral channel and deuterostrophies cone shaped body, the outlet of described deuterostrophies cone shaped body is water smoke ejiction opening, the middle part of described spiral channel is connected with atomization inlet hole, described nozzle body is provided with the first valve mechanism being only communicated with middle successive watercourse for Control Nozzle entrance or being communicated with middle successive watercourse simultaneously, water channel and the second valve mechanism being atomized inlet hole and being communicated with or disconnecting is sprayed respectively with direct projection for controlling middle successive watercourse.
Above-mentioned double atomization shower nozzle, preferably, described first valve mechanism comprises slipper seal and coordinates the direct projection atomization selector bar be installed in nozzle body, and described direct projection atomization selector bar is provided with and is only communicated with nozzle entrance by sliding with the first direct projection slotted eye of middle successive watercourse and make by sliding to be atomized slotted eye with the second direct projection slotted eye and first that middle successive watercourse is communicated with one-level screw conic die cavity while of nozzle entrance; Described second valve mechanism comprises slipper seal and coordinates the atomization progression regulating rotary be installed in nozzle body to change bar, described atomization progression regulating rotary change bar be provided with only to be communicated with by sliding in the middle of successive watercourse and direct projection spray water channel the 3rd direct projection slotted eye, to be only communicated with by sliding in the middle of successive watercourse and be atomized second of inlet hole and be atomized slotted eye and pass through to slide and disconnect the closure part of middle successive watercourse.
Above-mentioned double atomization shower nozzle, preferably, described direct projection atomization selector bar and atomization progression regulating rotary change bar and are equipped with slip stopper slot, and described nozzle body is provided with the alignment pin be inserted in each slip stopper slot.
Above-mentioned double atomization shower nozzle, preferably, described atomization inlet hole is tangential slotted eye water tangentially being passed into spiral channel.
Above-mentioned double atomization shower nozzle, preferably, the aperture of described second direct projection slotted eye is less than the aperture of the first direct projection slotted eye, and described first atomization slotted eye is obliquely installed relative to the axis of one-level screw conic die cavity.
Above-mentioned double atomization shower nozzle, preferably, described nozzle body comprises the one-level housing and secondary shell that link into an integrated entity, described middle successive watercourse and one-level screw conic die cavity are located in one-level housing, and described direct projection ejection water channel, intermediate cavity, deuterostrophies cone shaped body and spiral channel are located in secondary shell.
Above-mentioned double atomization shower nozzle, preferably, described one-level housing and secondary shell are threaded connection integral.
Above-mentioned double atomization shower nozzle, preferably, the end face of described secondary shell is provided with a shrinkage pool, described one-level housing seal forms a closed cavity in the openend of shrinkage pool, the bottom of described closed cavity is tapered, top is column type, the top of described closed cavity is equiped with a dismountable isolation cylinder, closed cavity is separated into described intermediate cavity and deuterostrophies cone shaped body by described isolation cylinder, the face of cylinder of described isolation cylinder is provided with spiral salient, forms described spiral channel between described spiral salient and the inwall of closed cavity; Described one-level housing is provided with spline groove, and the top of described isolation cylinder is provided with the spline boss be inserted in described spline groove.
Above-mentioned double atomization shower nozzle, preferably, the helical angle of described spiral channel is 45 °.
Above-mentioned double atomization shower nozzle, preferably, the radius of described nozzle entrance is 2.5mm, the radius of described middle successive watercourse is 1.5mm, the radius of described direct projection ejection water channel is 0.8mm, and the equivalent radius of the import of described one-level screw conic die cavity is 2.5mm, and the radius of the outlet of described one-level screw conic die cavity is 0.8mm, the equivalent radius of the import of described deuterostrophies cone shaped body is 2.5mm, and the radius of the outlet of described deuterostrophies cone shaped body is 1.0mm; The cone angle of described one-level screw conic die cavity and deuterostrophies cone shaped body is 80 ° ~ 90 °.
Compared with prior art, the utility model has the advantage of: the utility model is applicable to the double atomization shower nozzle of transmission line forest fire fire extinguishing in conjunction with fluid Simulation emulation and test method, adopt two-stage screw cone shaped body and the spiral channel design of series connection, the tangential rotary speed of fire extinguishing aqua in water channel can be strengthened, improve the atomizing effect of shower nozzle, the domain size distribution that droplet is in meets the particular/special requirement of transmission line forest fire fire extinguishing, it can require to carry out rapid translating according to the difference of transmission line forest fire fire extinguishing simultaneously, can select to carry out direct projection fire extinguishing or spraying fire extinguishing, also can change the ratio of major diameter droplet and minor diameter droplet, thus tackle various transmission line forest fire fire extinguishing situation.Adopt this double atomization shower nozzle to improve efficiency that transmission line forest fire puts out a fire to save life and property and success rate, reduces the possibility of transmission line forest fire tripping operation, guarantees personal safety.In addition, the structure of this double atomization shower nozzle simple, be easy to processing and fabricating, cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model double atomization shower nozzle.
Fig. 2 is the structural representation of direct projection atomization selector bar in the utility model double atomization shower nozzle.
Fig. 3 is the structural representation of isolating cylinder in the utility model double atomization shower nozzle.
Fig. 4 is the broken section structural representation that in the utility model double atomization shower nozzle, the second atomization slotted eye is communicated with spiral channel.
Marginal data:
1, nozzle body; 11, nozzle entrance; 12, middle successive watercourse; 13, direct projection ejection water channel; 14, one-level screw conic die cavity; 15, intermediate cavity; 16, deuterostrophies cone shaped body; 17, spiral channel; 18, water smoke ejiction opening; 19, inlet hole is atomized; 101, one-level housing; 102, secondary shell; 103, cylinder is isolated; 1031, spiral salient; 1032, spline boss; 2, direct projection atomization selector bar; 21, the first direct projection slotted eye; 22, the second direct projection slotted eye; 23, the first atomization slotted eye; 24, slip stopper slot; 3, be atomized progression regulating rotary and change bar; 31, the 3rd direct projection slotted eye; 32, the second atomization slotted eye; 33, closure part; 4, sealing ring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model is applicable to the double atomization shower nozzle of transmission line forest fire fire extinguishing, comprise nozzle body 1, nozzle entrance 11, middle successive watercourse 12, direct projection ejection water channel 13, one-level screw conic die cavity 14, intermediate cavity 15 and deuterostrophies cone shaped body 16 is provided with in nozzle body 1, the outlet of one-level screw conic die cavity 14 is communicated with intermediate cavity 15, intermediate cavity 15 is by the inlet communication of spiral channel 17 with deuterostrophies cone shaped body 16, the outlet of deuterostrophies cone shaped body 16 is water smoke ejiction opening 18, and the middle part of spiral channel 17 is connected with atomization inlet hole 19; Nozzle body 1 be provided with only to be communicated with middle successive watercourse 12 for Control Nozzle entrance 11 or to be communicated with middle successive watercourse 12 simultaneously the first valve mechanism, spray water channel 13 and the second valve mechanism being atomized inlet hole 19 and being communicated with or disconnecting respectively with direct projection for controlling middle successive watercourse 12.
In the present embodiment, second valve mechanism comprises direct projection atomization selector bar 2, direct projection atomization selector bar 2 slipper seal cooperation is installed in nozzle body 1, direct projection atomization selector bar 2 is provided with the first direct projection slotted eye 21, second direct projection slotted eye 22 and the first atomization slotted eye 23, direct projection atomization selector bar 2 can be changed by slip between two duties, a duty is communicated with nozzle entrance 11 and middle successive watercourse 12 for only making the first direct projection slotted eye 21, the water under high pressure of nozzle entrance 11 is only passed into middle successive watercourse 12, another duty is communicated with nozzle entrance 11 and middle successive watercourse 12 for making the second direct projection slotted eye 22, make the first atomization slotted eye 23 be communicated with nozzle entrance 11 and one-level screw conic die cavity 14 simultaneously, the water under high pressure of nozzle entrance 11 is passed into simultaneously middle successive watercourse 12 and one-level screw conic die cavity 14.Second valve mechanism comprises atomization progression regulating rotary and changes bar 3, atomization progression regulating rotary changes bar 3 slipper seal cooperation and is installed in nozzle body 1, atomization progression regulating rotary changes bar 3 and is provided with the 3rd direct projection slotted eye 31, second atomization slotted eye 32 and closure part 33, atomization progression regulating rotary is changed bar 3 and can be changed between three duties by slip, first job state sprays water channel 13 for only making the 3rd direct projection slotted eye 31 be communicated with middle successive watercourse 12 with direct projection, second duty is communicated with middle successive watercourse 12 and atomization inlet hole 19 for only making the second atomization slotted eye 32, 3rd duty blocks middle successive watercourse 12 for making closure part 33, middle successive watercourse 12 and direct projection is made to spray water channel 13 and be atomized inlet hole 19 and be not all communicated with.Preferably, second atomization slotted eye 32 is located on closure part 33, be atomized progression regulating rotary change bar 3 slide into second duty time, successive watercourse 12 in the middle of the shutoff of closure part 33, one end of second atomization slotted eye 32 is communicated with middle successive watercourse 12, the other end and the 3rd direct projection slotted eye 31, realize the second atomization slotted eye 32 and be communicated with middle successive watercourse 12 and atomization inlet hole 19; Be atomized progression regulating rotary change bar 3 slide into the 3rd duty time, successive watercourse 12 in the middle of the shutoff of closure part 33, one end of second atomization slotted eye 32 is communicated with middle successive watercourse 12, the other end is changed the sidewall shutoff of the chute that bar 3 is slidably matched by with atomization progression regulating rotary, namely in the middle of, successive watercourse 12 is in off-state, realizes closure part 33 and blocks middle successive watercourse 12.
In the present embodiment, direct projection atomization selector bar 2 and atomization progression regulating rotary change bar 3 when specifically installing, nozzle body 1 offers corresponding sliding cavity, direct projection atomization selector bar 2 and atomization progression regulating rotary change bar 3 and are slidably installed in corresponding sliding cavity, and change on bar 3 at direct projection atomization selector bar 2 and atomization progression regulating rotary and sealing ring 4 is installed to form sealing, prevent extinguishing chemical from sliding cavity internal leakage.As shown in Figure 4, above-mentioned atomization inlet hole 19 is tangential slotted eye water tangentially being passed into spiral channel 17, also the Way out being namely atomized inlet hole 19 is identical in the tangential direction of spiral channel 17 junction with it, and this atomization inlet hole 19 can make water under high pressure can enter spiral channel 17 smoothly.
In the present embodiment, the first atomization slotted eye 23 is directly communicated with one-level screw conic die cavity 14, and the first atomization slotted eye 23 is obliquely installed relative to the axis of one-level screw conic die cavity 14, produces tangential velocity and axial velocity after making water under high pressure enter one-level screw conic die cavity 14.In other embodiments, one-level screw conic die cavity 14 also can arrange separately the import of inclination, the first atomization slotted eye 23 and this inlet communication.The aperture of the second direct projection slotted eye 22 is less than the aperture of the first direct projection slotted eye 21, enables water under high pressure enter the first atomization slotted eye 23 and the first direct projection slotted eye 21 simultaneously.
In the present embodiment, as shown in Figure 2, direct projection atomization selector bar 2 and atomization progression regulating rotary change bar 3 and are equipped with slip stopper slot 24, nozzle body 1 is provided with the alignment pin (not shown) be inserted in each slip stopper slot 24, slip stopper slot 24 and detent fit can limit direct projection and be atomized selector bar 2 and be atomized the sliding scale that progression regulating rotary changes bar 3, prevent from direct projection atomization selector bar 2 and atomization progression regulating rotary from changing bar 3 to deviate from, when the two ends of slip stopper slot 24 offset with alignment pin respectively, just corresponding direct projection atomization selector bar 2 and atomization progression regulating rotary change two duties of bar 3, play positioning action.
In the present embodiment, nozzle body 1 comprises one-level housing 101 and secondary shell 102, one-level housing 101 and secondary shell 102 are threaded connection integral, middle successive watercourse 12 and one-level screw conic die cavity 14 are located in one-level housing 101, and direct projection ejection water channel 13, intermediate cavity 15, deuterostrophies cone shaped body 16 and spiral channel 17 are located in secondary shell 102.Wherein, as shown in figures 1 and 3, the end face of secondary shell 102 is provided with a shrinkage pool, the openend that one-level housing 101 is sealed in shrinkage pool forms a closed cavity, the bottom of closed cavity is tapered, top is column type, the top of closed cavity is equiped with a dismountable isolation cylinder 103, closed cavity is separated into intermediate cavity 15 and deuterostrophies cone shaped body 16 by isolation cylinder 103, the face of cylinder of isolation cylinder 103 is provided with spiral salient 1031, forms spiral channel 17 between spiral salient 1031 and the inwall of closed cavity.One-level housing 101 is provided with spline groove, and the top of isolation cylinder 103 is provided with the spline boss 1032 be inserted in spline groove, can prevent isolation cylinder 103 in closed cavity with fluid rotation.The nozzle body 1 of the present embodiment adopts Split type structure, adopts isolation cylinder 103 to form intermediate cavity 15, deuterostrophies cone shaped body 16 and spiral channel 17 with coordinating of shrinkage pool simultaneously, is convenient to the processing of shower nozzle, I& M, greatly can reduces production cost.
In the present embodiment, the helical angle of spiral channel 17 is 45 °.The radius of nozzle entrance 11 is 2.5mm, the radius of middle successive watercourse 12 is 1.5mm, the radius of direct projection ejection water channel 13 is 0.8mm, the equivalent radius of the import of one-level screw conic die cavity 14 is 2.5mm, the radius of the outlet of one-level screw conic die cavity 14 is 0.8mm, the equivalent radius of the import of deuterostrophies cone shaped body 16 is 2.5mm, and the radius of the outlet of deuterostrophies cone shaped body 16 is 1.0mm; The cone angle of one-level screw conic die cavity 14 and deuterostrophies cone shaped body 16 is 80 ° ~ 90 °.In other embodiments, each structural parameters also can require to adjust according to different designs.
Operation principle and the process of the double atomization shower nozzle of the present embodiment are as follows:
When the first direct projection slotted eye 21 of direct projection atomization selector bar 2 is communicated with nozzle entrance 11 and middle successive watercourse 12, be atomized the 3rd direct projection slotted eye 31 that progression regulating rotary changes bar 3 simultaneously and be communicated with middle successive watercourse 12 when spraying water channel 13 with direct projection, extinguishing chemical is through nozzle entrance 11, first direct projection slotted eye 21, middle successive watercourse 12, the 3rd direct projection slotted eye 31 and direct projection ejection water channel 13, finally from the direct projection outlet ejection of direct projection ejection water channel 13, realize direct projection fire extinguishing.When pressure is 8.0MPa, when flow is 4.0L/min, the range of this shower nozzle can reach 12.3m, can realize remote fire extinguishing, ensures the safety of fire extinguishing personnel.
When the second direct projection slotted eye 22 of direct projection atomization selector bar 2 is communicated with nozzle entrance 11 and middle successive watercourse 12, first atomization slotted eye 23 is communicated with nozzle entrance 11 and one-level screw conic die cavity 14, be atomized closure part 33 that progression regulating rotary changes bar 3 when blocking middle successive watercourse 12 simultaneously, extinguishing chemical is through nozzle entrance 11, first atomization slotted eye 23, one-level screw conic die cavity 14, intermediate cavity 15, spiral channel 17 and deuterostrophies cone shaped body 16, the droplet that final formation has minor diameter sprays from water smoke ejiction opening 18, can the soot dust granule that flame burn incompletely produces be washed away to ground by large-area shock, realize simultaneously to transmission line forest fire fire extinguishing and dedusting, wherein spiral channel 17 can strengthen the spinning momentum of extinguishing chemical.When pressure is 8.0MPa, when flow is 4.0L/min, the droplet ratio that in the droplet of ejection, diameter is less than 100 μm can reach more than 75%, can adsorb flue dust preferably like this, improve the visibility of fire extinguishing while the good extinguishing effect of guarantee.
When the second direct projection slotted eye 22 of direct projection atomization selector bar 2 is communicated with nozzle entrance 11 and middle successive watercourse 12, first atomization slotted eye 23 is communicated with nozzle entrance 11 and one-level screw conic die cavity 14, be atomized the second atomization slotted eye 32 that progression regulating rotary changes bar 3 when being communicated with middle successive watercourse 12 with atomization inlet hole 19 simultaneously, part extinguishing chemical is through nozzle entrance 11, first atomization slotted eye 23, one-level screw conic die cavity 14, intermediate cavity 15 and spiral channel 17 enter deuterostrophies cone shaped body 16, form the droplet with minor diameter, another part extinguishing chemical is through nozzle entrance 11, second direct projection slotted eye 22, second atomization slotted eye 32, atomization inlet hole 19 and spiral channel 17 enter deuterostrophies cone shaped body 16, form the droplet with thicker diameter, the droplet of final minor diameter and the droplet mixing of thicker diameter spray from water smoke ejiction opening 18, wherein, the droplet momentum that diameter is large is large, air drag can be overcome, penetrate into flame root and carry out quick extinguishing, flue dust in the adsorbable flame of the droplet that diameter is little, avoid flue dust to waft in transmission line of electricity gap and cause transmission line of electricity tripping operation, wherein spiral channel 17 can strengthen the spinning momentum of extinguishing chemical.When pressure is 8.0MPa, when flow is 4.0L/min, the droplet ratio that in the droplet of ejection, diameter is less than 100 μm can reach more than 45%, the droplet momentum that wherein diameter is larger momentum after two-stage rotates is large, flame can be penetrated and enter fiery root, and range can reach 8m, there is good extinguishing effect and security performance.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection domain of the present utility model.
Claims (10)
1. one kind is applicable to the double atomization shower nozzle of transmission line forest fire fire extinguishing, it is characterized in that: comprise nozzle body (1), nozzle entrance (11) is provided with in described nozzle body (1), middle successive watercourse (12), direct projection ejection water channel (13), one-level screw conic die cavity (14), intermediate cavity (15) and deuterostrophies cone shaped body (16), the outlet of described one-level screw conic die cavity (14) is communicated with intermediate cavity (15), described intermediate cavity (15) is by the inlet communication of spiral channel (17) with deuterostrophies cone shaped body (16), the outlet of described deuterostrophies cone shaped body (16) is water smoke ejiction opening (18), the middle part of described spiral channel (17) is connected with atomization inlet hole (19), described nozzle body (1) is provided with the first valve mechanism being only communicated with middle successive watercourse (12) for Control Nozzle entrance (11) or being communicated with middle successive watercourse (12) simultaneously, water channel (13) and the second valve mechanism being atomized inlet hole (19) and being communicated with or disconnecting is sprayed respectively with direct projection for controlling middle successive watercourse (12).
2. double atomization shower nozzle according to claim 1, it is characterized in that: described first valve mechanism comprises slipper seal and coordinates direct projection atomization selector bar (2) be installed in nozzle body (1), described direct projection atomization selector bar (2) is provided with and is only communicated with nozzle entrance (11) by sliding with the first direct projection slotted eye (21) of middle successive watercourse (12) and make to be atomized slotted eye (23) with the second direct projection slotted eye (22) and first that middle successive watercourse (12) is communicated with one-level screw conic die cavity (14) while of nozzle entrance (11) by slip; Described second valve mechanism comprises slipper seal and coordinates the atomization progression regulating rotary be installed in nozzle body (1) to change bar (3), described atomization progression regulating rotary change bar (3) be provided with only to be communicated with by sliding in the middle of successive watercourse (12) and direct projection spray water channel (13) the 3rd direct projection slotted eye (31), to be only communicated with by sliding in the middle of successive watercourse (12) and be atomized second of inlet hole (19) and be atomized slotted eye (32) and pass through to slide and disconnect the closure part (33) of middle successive watercourse (12).
3. double atomization shower nozzle according to claim 2, it is characterized in that: described direct projection atomization selector bar (2) and atomization progression regulating rotary change bar (3) and be equipped with slip stopper slot (24), and described nozzle body (1) is provided with the alignment pin be inserted in each slip stopper slot (24).
4. double atomization shower nozzle according to claim 1, is characterized in that: described atomization inlet hole (19) is tangential slotted eye water tangentially being passed into spiral channel (17).
5. double atomization shower nozzle according to claim 1, it is characterized in that: the aperture of described second direct projection slotted eye (22) is less than the aperture of the first direct projection slotted eye (21), described first atomization slotted eye (23) is obliquely installed relative to the axis of one-level screw conic die cavity (14).
6. double atomization shower nozzle according to claim 1, it is characterized in that: described nozzle body (1) comprises the one-level housing (101) and secondary shell (102) that link into an integrated entity, described middle successive watercourse (12) and one-level screw conic die cavity (14) are located in one-level housing (101), and described direct projection ejection water channel (13), intermediate cavity (15), deuterostrophies cone shaped body (16) and spiral channel (17) are located in secondary shell (102).
7. double atomization shower nozzle according to claim 6, is characterized in that: described one-level housing (101) and secondary shell (102) are threaded connection integral.
8. double atomization shower nozzle according to claim 6, it is characterized in that: the end face of described secondary shell (102) is provided with a shrinkage pool, the openend that described one-level housing (101) is sealed in shrinkage pool forms a closed cavity, the bottom of described closed cavity is tapered, top is column type, the top of described closed cavity is equiped with a dismountable isolation cylinder (103), closed cavity is separated into described intermediate cavity (15) and deuterostrophies cone shaped body (16) by described isolation cylinder (103), the face of cylinder of described isolation cylinder (103) is provided with spiral salient (1031), described spiral channel (17) is formed between described spiral salient (1031) and the inwall of closed cavity, described one-level housing (101) is provided with spline groove, and the top of described isolation cylinder (103) is provided with the spline boss (1032) be inserted in described spline groove.
9. the double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing according to any one of claim 1 to 8, is characterized in that: the helical angle of described spiral channel (17) is 45 °.
10. the double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing according to any one of claim 1 to 8, it is characterized in that: the radius of described nozzle entrance (11) is 2.5mm, the radius of described middle successive watercourse (12) is 1.5mm, the radius of described direct projection ejection water channel (13) is 0.8mm, the equivalent radius of the import of described one-level screw conic die cavity (14) is 2.5mm, the radius of the outlet of described one-level screw conic die cavity (14) is 0.8mm, the equivalent radius of the import of described deuterostrophies cone shaped body (16) is 2.5mm, the radius of the outlet of described deuterostrophies cone shaped body (16) is 1.0mm, the cone angle of described one-level screw conic die cavity (14) and deuterostrophies cone shaped body (16) is 80 ° ~ 90 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368591.8U CN204723650U (en) | 2015-06-02 | 2015-06-02 | A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368591.8U CN204723650U (en) | 2015-06-02 | 2015-06-02 | A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing |
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| Publication Number | Publication Date |
|---|---|
| CN204723650U true CN204723650U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368591.8U Withdrawn - After Issue CN204723650U (en) | 2015-06-02 | 2015-06-02 | A kind of double atomization shower nozzle being applicable to transmission line forest fire fire extinguishing |
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| Country | Link |
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| CN (1) | CN204723650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906730A (en) * | 2015-06-02 | 2015-09-16 | 国家电网公司 | Two-grade atomization nozzle applicable to fire extinguishment of power transmission line mountain fire |
| CN108012642A (en) * | 2017-11-17 | 2018-05-11 | 江苏大学 | A kind of agricultural fertilizer apparatus |
-
2015
- 2015-06-02 CN CN201520368591.8U patent/CN204723650U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906730A (en) * | 2015-06-02 | 2015-09-16 | 国家电网公司 | Two-grade atomization nozzle applicable to fire extinguishment of power transmission line mountain fire |
| CN108012642A (en) * | 2017-11-17 | 2018-05-11 | 江苏大学 | A kind of agricultural fertilizer apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20160608 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |