CN103611226B - The fire extinguisher of fire extinguishing jet device and this fire extinguishing jet device of employing - Google Patents
The fire extinguisher of fire extinguishing jet device and this fire extinguishing jet device of employing Download PDFInfo
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- CN103611226B CN103611226B CN201310611565.9A CN201310611565A CN103611226B CN 103611226 B CN103611226 B CN 103611226B CN 201310611565 A CN201310611565 A CN 201310611565A CN 103611226 B CN103611226 B CN 103611226B
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Abstract
The invention discloses a kind of fire extinguishing jet device, including base, connecting portion and the some spiral nozzles being arranged on described base, described spiral nozzle includes head body, the side of described head body is provided with cannulated threaded joint, the opposite side of described head body is fixed with coaxial cone-type spiral bar, described cone-type spiral bar along axis spiral extension and gradually close up define a tapered channel, closing in one end of described cone-type spiral bar extends on axis and is provided with block, when making the liquid extinguisher within fire extinguisher be under high pressure sprayed onto, by base, the spiral wire body that spiral nozzle diminishes continuously, liquid extinguisher is ultimately become liquid misty liquid droplets by the tangent effect of speed of helix height and is directed onto fire area, atomizing effect is good, injecting time is short, it is particularly suited for colliery, the fire protection place of the special environments such as tunnel。
Description
Technical field
The invention belongs to fire control technology field, particularly to a kind of fire extinguishing jet device and the fire extinguisher adopting this fire extinguishing jet device。
Background technology
Liquid extinguisher in the market mostly is Halon Replacement type fire-extinguishing agent, mainly has water smoke, Novec1230 etc.。Research shows, extinguishing effect is had a direct impact by liquid mist size。Undersized drop, it is possible to obtain the body surface area more much bigger than direct current water or water of blooming, it is possible to be greatly improved extinguishing chemical long-pending with the direct contact surface of comburant or flame, be conducive to the liquid extinguisher infiltration to comburant。But for the place such as colliery, tunnel, except ensureing that the atomization of liquid extinguisher is well, also to ensure that injecting time is short, the requirement that injection flow is big, and fire extinguisher in the market cannot meet that liquid extinguisher atomizing effect is good and injecting time is short simultaneously, the requirement that injection flow is big。
Summary of the invention
For solving defect of the prior art, the present invention provides one to meet simultaneously, and liquid extinguisher atomizing effect is good and injecting time is short, the fire extinguisher of the fire extinguishing jet device of the requirement that injection flow is big and this fire extinguishing jet device of employing, this fire extinguishing jet device has been effectively ensured injecting time and atomizing effect, make fire-fighting efficiency be significantly improved, be particularly suited for the fire protection place of the special environment such as colliery, tunnel
Technical scheme:
A kind of fire extinguishing jet device, including base, the connecting portion of hollow and some spiral nozzles of being arranged on described base, described base is hollow round table structure, its internal cavity is coaxially with the round platform cavity of tapering with described base, the lower end of described base is fixed with described connecting portion, and the inner chamber of described connecting portion is coaxial with the round platform cavity of described base and is connected；Described spiral nozzle includes head body, described head body be axially inside provided with through hole, the side of described head body is provided with cannulated threaded joint, described base is provided inwardly with internal thread hole on the position corresponding with described spiral nozzle, in order to be fixed on described base by screw-threaded engagement by the nipple of described spiral nozzle, described round platform cavity is connected with described through hole；The opposite side of described head body is fixed with coaxial cone-type spiral bar, described cone-type spiral bar along axis spiral extension and gradually close up define a tapered channel, closing in one end of described cone-type spiral bar extends on axis and is provided with block。
Described block is centrally located on the axis of described cone-type spiral bar。
The plan vertical of described base is provided with 1 described spiral nozzle, the sidewall of described base is evenly distributed with 3-6 described spiral nozzle, angle between the axis of described spiral nozzle and the axis of described base is 60 °, described cone-type spiral bar is upstream face towards the tangent plane of described head body, and the angle between described upstream face and described spiral nozzle axis is 30 ° to 60 °。
The axis of described spiral nozzle is perpendicular to the side of described round platform cavity。
Being evenly distributed with 6 described spiral nozzles on the sidewall of described base, the angle between described upstream face and described spiral nozzle axis is 30 °；Or the sidewall of described base is evenly distributed with 3 described spiral nozzles, the angle value between described upstream face and described spiral nozzle axis is 60 °。
A kind of fire extinguisher, including sealed bottle body and smoke sensing device, described sealed bottle body is top opening structure, it is characterized in that: also include above-mentioned a kind of fire extinguishing jet device, described fire extinguishing jet device is fixed on above described top opening structure, and the intracavity inter-connection of the round platform cavity of fire extinguishing jet device and described sealed bottle body。
The connecting portion of described fire extinguishing jet device is the male connection of hollow, described sealed bottle body top open part is provided with external screw thread, described fire extinguisher also includes the filling valve base seat of hollow, load valve, the electric detonator pedestal of hollow and electric detonator, the top surface of described electric detonator pedestal is provided inwardly with the female thread concave station corresponding with the male connection of described base, in order to the male connection of described base to be fixed on the top of described electric detonator pedestal, what the bottom of described electric detonator pedestal was corresponding with the top of described filling valve base seat is provided with external screw thread boss and female thread concave station, in order to described electric detonator base bottom is fixed on described filling valve base seat top by screw-threaded engagement, described filling valve base bottom is provided with the female thread concave station corresponding with the external screw thread of described sealed bottle body top open part, in order to described filling valve base bottom is fixed on described sealed bottle body top open part；Described filling valve base seat is all provided with the filling valve base block hole consistent with described sealed bottle body open top diameter and electric detonator susceptor through-holes with described electric detonator base interior along sealed bottle body axis, in order to make one interface channel of formation between the round platform cavity in described sealed bottle body top end opening place and described base；Described filling valve base seat is provided with described filling valve；The female thread concave station at described filling valve base block hole top is provided with sealing sheet along end face, is sealing state in order to make described filling valve base block hole top；Being provided with described electric detonator on described electric detonator pedestal, the tail end of described electric detonator faces described sealing sheet。
Described sealing sheet is copper material, and thickness is 0.3mm-0.5mm sealing sheet。
The built-in liquid extinguisher of described sealed bottle body and gases at high pressure, described liquid extinguisher therein is Novec1230 extinguishing chemical, and described gases at high pressure are nitrogen, and nitrogen pressure value is 3MPa-5MPa。
Described fire extinguisher is inverted and is laid。
Technique effect:
The invention provides a kind of fire extinguishing jet device and adopt the fire extinguisher of this fire extinguishing jet device, compared to the prior art, the present invention has following beneficial effect:
Spiral nozzle includes head body, the side of head body is fixed with nipple, base on the position corresponding with spiral nozzle in be provided with internal thread hole, by screw-threaded engagement, the nipple of spiral nozzle is fixed on base in order to convenient, base is provided with some spiral nozzles, the spray film of the certain angle that spiral nozzle can spray。The cavity of base is round platform cavity, and the side of its inclination makes liquid extinguisher through cavity, and flow is constant, but flow velocity can be accelerated, and shortens the time of liquid extinguisher injection, effectively controls the development of the condition of a fire。The lower end of base is fixed with the connecting portion of hollow, and connecting portion can select male connection, locates in order to be fixedly connected on above sealed bottle body, it is therefore preferable to electric detonator pedestal top；Head body is provided with through hole along axis, and round platform cavity is connected with the through hole of head body, in order to the liquid extinguisher in fire-suppression bottle is entered head body through hole by round platform cavity and finally sprays；Head body upper surface is upwards provided with cone-type spiral bar, and cone-type spiral bar is along axis spiral extension and closes up gradually and defines a tapered channel so that on base, spiral nozzle sprays the atomized drop of greater density as much as possible, increases extinguishing effect。When liquid extinguisher sprays from high speed in the through hole of head body, tapered channel makes liquid extinguisher through out-of-date increased flow capacity, droplet shape is broken into rapidly encountering the cone-type spiral bar closed up gradually, and by throwing away at an angle in the gap between screw of cone-type spiral bar, formed and can cover the atomized drop on comburant with high-effect fire-extinguishing。Closing in one end of cone-type spiral bar is provided with block to axis direction, preferably, block is centrally located on the axis of cone-type spiral bar, when the liquid extinguisher not being atomized with significantly high speed impacts block time, liquid extinguisher, by broken formation spray film, improves the atomizing effect of liquid extinguisher further。
Preferably, the plan vertical of base is provided with 1 spiral nozzle, the sidewall of base is evenly distributed with 3-6 spiral nozzle, angle between the axis of spiral nozzle and the axis of described base is 60 °, enables the spray film with certain angle scope that spiral nozzle sprays to cover to form full angle to greatest extent；Cone-type spiral bar is upstream face towards the tangent plane of head body, the angle value of upstream face and spiral nozzle axis is 30 ° to 60 °, when liquid extinguisher is sprayed to the upstream face of cone-type spiral bar by the through hole of spiral nozzle, the liquid extinguisher of high velocity jet moment can become spray film shape after encountering upstream face and the angle direction along with upstream face is ejected, due to spiral nozzle cone-type spiral bar in the shape of a spiral, therefore the angular range of the liquid extinguisher that spiral nozzle ejects is 2 times namely 60 ° to 120 ° of the upstream face angle value with spiral nozzle axis, and the axis angle of the axis of spiral nozzle and spout base is 60 °, making liquid extinguisher is spraying to surrounding of full angle, extinguishing effect is best。
It is preferred that, the plan vertical of base installs 1 spiral nozzle, the sidewall of base is evenly distributed with 3 spiral nozzles, the angle value of upstream face and spiral nozzle axis is 60 °, now the spray angle of spiral nozzle is 120 °, and it is 360 ° that 3 spiral nozzles being uniformly arranged eject the angular range of liquid extinguisher, achieves full angle injection equally, avoid injection dead angle, be effectively guaranteed extinguishing effect。Due to only 4 spiral nozzles altogether arranged, the liquid fire extinguishing agent flux that therefore each spiral nozzle ejects is bigger, and jet length is farther, and effectively the scope of fire extinguishing is bigger。
It is preferred that, the plan vertical of base installs 1 spiral nozzle, the sidewall of base is evenly distributed with 6 spiral nozzles, the angle value of upstream face and spiral nozzle axis is 30 °, the spray angle of spiral nozzle is 60 °, then it is 360 ° that 6 spiral nozzles being uniformly arranged eject the angular range of liquid extinguisher, it is achieved that full angle sprays, avoid injection dead angle, be effectively guaranteed extinguishing effect。Liquid extinguisher can the most quickly be sprayed by 7 the spiral nozzle injections altogether arranged, and the very first time controls the condition of a fire。
The axis of spiral nozzle is perpendicular to the side of round platform cavity, makes liquid extinguisher more smooth and easy when being flowed through spiral nozzle by round platform cavity。
A kind of fire extinguisher, including built-in liquid extinguisher and the sealed bottle body of gases at high pressure, external smoke sensing device, sealed bottle body is top opening structure, and sealed bottle body top open part is provided with external screw thread, have employed above-mentioned a kind of fire extinguishing jet device。When the external smoke sensing device of fire extinguisher senses the condition of a fire, the liquid extinguisher in sealed bottle body, along with the promotion of gases at high pressure, is sprayed by fire extinguishing jet device, is effectively taking place fire extinguishing。
The top surface of electric detonator pedestal is provided inwardly with the female thread concave station corresponding with the bottom thread joint of base, in order to the bottom male connection of base to be fixed on the top of electric detonator pedestal, what the bottom of electric detonator pedestal was corresponding with the top loading valve base seat is provided with external screw thread boss and female thread concave station, in order to electric detonator base bottom is fixed on filling valve base seat top by screw-threaded engagement, load valve base bottom and be provided with the female thread concave station corresponding with sealed bottle body tip male thread, in order to filling valve base bottom is fixed on sealed bottle body top；Load valve base seat and be all provided with the filling valve base block hole consistent with sealed bottle body open top diameter and electric detonator susceptor through-holes with electric detonator base interior along sealed bottle body axis, in order to make sealed bottle body top end opening place form a clog-free express passway between the round platform cavity of base, make liquid extinguisher can be not subjected to entering in base and being finally ejected of any obstruction from sealed bottle body, it is effectively shortened injecting time, in the very first time, efficiently controls the condition of a fire。Load and valve base seat is provided with filling valve, for the filling carrying out liquid extinguisher or gases at high pressure in sealed bottle body；Load valve base block hole top female thread concave station and be provided with sealing sheet along end face, be sealing state in order to make filling valve base block hole top；Electric detonator pedestal is provided with electric detonator, the tail end of electric detonator faces sealing sheet, when external smoke sensing device senses that fire needs to carry out fire-fighting work, immediately detonator signal is transferred to electric detonator by wire, when electric detonator is detonated, the sealing sheet loading valve base seat top will be punctured by electric detonator, thus forming huge draught head, driving the liquid extinguisher in sealed bottle body to be promoted by high pressure air pressure and be ejected to the round platform cavity of base by the breach of sealing sheet and sprayed by spiral nozzle。
Preferably, the material of sealing sheet is preferably copper material, and its thickness is 0.3mm-0.5mm, both can guarantee that the sealing of bottle internal gas pressure under normal condition, and when fire extinguishing, sealing sheet can be punctured by electric detonator and breaks。Meanwhile, when in bottle, pressure store is excessive, sealing sheet will automatically rupture pressure release under the internal effect of calming the anger, and plays the effect of overload protection, to avoid because atmospheric pressure crosses the explosion of ambassador's sealed bottle body thus the unnecessary loss of personal property that causes。
The built-in liquid extinguisher of sealed bottle body and gases at high pressure, it is preferable that liquid extinguisher is Novec1230 extinguishing chemical, gases at high pressure are nitrogen, and nitrogen pressure value is 3MPa-5MPa, Novec1230 extinguishing chemical not only good extinguishing effect, and environmentally safe, toxicity is minimum。Further preferably, nitrogen is noble gas, will not be combustion-supporting。
Fire extinguisher is inverted and is laid, and when fire extinguisher is started working, under the high pressure effect in bottle of the liquid extinguisher in sealed bottle body, the effect of ejection is best, and injecting time is the shortest, and the injection flow of moment is maximum。
Accompanying drawing explanation
Fig. 1 is the structural representation of fire extinguisher in the present invention；
Fig. 2 is injection apparatus structural representation in Fig. 1；
Fig. 3 is the structural representation of spiral nozzle in Fig. 2。
In figure, each label example is as follows:
1-sealed bottle body, 11-liquid extinguisher, 12-gases at high pressure, 2-loads valve base seat, 21-loads valve, 22-loads valve interface channel, 23-loads valve base block hole, 24-sealing sheet, 3-electric detonator pedestal, 31-electric detonator, 32-electric detonator interface channel, 33-electric detonator susceptor through-holes, 34-wire, 4-fire extinguishing jet device, 40-base, 41-spiral nozzle, 42-head body, 43-cone-type spiral bar, 44-block, 45-connecting portion, 46-upstream face, 47-head body nipple, 48-round platform cavity。
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
The invention discloses a kind of fire extinguishing jet device 4 and adopt the fire extinguisher of this injection apparatus 4, Fig. 1 is the structural representation of fire extinguisher in the present invention, as shown in Figure 1, fire extinguisher in the present invention includes the sealed bottle body 1 of built-in liquid extinguisher 11 and gases at high pressure 12, external smoke sensing device (not marking), load valve base seat 2, electric detonator pedestal 3 and fire extinguishing jet device 4, wherein sealed bottle body 1 is top opening structure, sealed bottle body 1 top open part is provided with external screw thread, electric detonator pedestal 3 top it is fixed on bottom fire extinguishing jet device 4, filling valve base seat 2 top it is fixed on bottom electric detonator pedestal 3, load and be fixed on sealed bottle body 1 top bottom valve base seat 2, make sealed bottle body 1, load valve base seat 2, electric detonator pedestal 3 and fire extinguishing jet device 4 connect in integration。
Concrete, what the bottom of electric detonator pedestal 3 was corresponding with the top loading valve base seat 2 is provided with external screw thread boss and female thread concave station, in order to filling valve base seat 2 top will be fixed on bottom electric detonator pedestal 3 by screw-threaded engagement, load and be provided with the female thread concave station corresponding with sealed bottle body 1 tip male thread bottom valve base seat 2, in order to be fixed on sealed bottle body 1 top by bottom filling valve base seat 2。
Further, load valve base seat 2 and be all provided with the filling valve base block hole 23 consistent with sealed bottle body 1 open top diameter and electric detonator susceptor through-holes 33 along sealed bottle body 1 axis with electric detonator pedestal 3 inside, in order to make sealed bottle body 1 inner chamber form a clog-free express passway connected between fire extinguishing jet device 4, and the fire extinguishing jet device 4 that quickly enters that liquid extinguisher 11 is able to be not subjected to any obstruction from sealed bottle body 1 carries out the injection of liquid extinguisher 11, being effectively guaranteed the stability of liquid extinguisher 11 injection, injecting time is also effectively shortened。The lateral wall loading valve base seat 2 is provided with filling valve 21 corresponding to loading on the position of valve base block hole 23, the tail end loading valve 21 is provided with filling valve interface channel 22 with loading valve base block hole 23, for by loading the valve 21 filling to carrying out liquid extinguisher 11 or gases at high pressure 12 in sealed bottle body 1；The top female thread concave station loading valve base block hole 23 is provided with sealing sheet 24 along end face, is sealing state in order to make filling valve base block hole 23 top；The side sidewall of electric detonator pedestal 3 is tapered sidewalls, the tapered sidewalls of electric detonator pedestal 3 corresponds to and is provided with electric detonator 31 on the position of sealing sheet 24, the tail end of electric detonator 31 is cylindrical openings structure, its top is vertically fixed on outside electric detonator pedestal 3 tapered sidewalls and to being externally provided with the wire 34 being connected with external smoke sensing device, electric detonator interface channel 32 it is provided with in order to make the tail end of electric detonator 31 face sealing sheet 24 between opening and electric detonator pedestal 3 through hole of electric detonator 31, when external smoke sensing device senses that fire needs to carry out fire-fighting work, immediately detonator signal is transferred to electric detonator 31 by wire 34, when electric detonator 31 is detonated, the sealing sheet 24 loading valve base seat 2 top will be punctured by electric detonator 31, thus forming huge draught head, the liquid extinguisher 11 in sealed bottle body 1 is driven to be promoted the breach by sealing sheet 24 be ejected to base 40 and sprayed liquid extinguisher 11 by spiral nozzle 41 by high pressure air pressure 12, it is effectively taking place fire extinguishing。
Fig. 2 is the structural representation of fire extinguishing jet device 4 in the present invention, Fig. 3 is the structural representation of spiral nozzle 41 in the present invention, as shown in Figures 2 and 3, fire extinguishing jet device 4 includes base 40, connecting portion and installation some spiral nozzles 41 on the base 40 it, base 40 is hollow round table structure, cavity within base 40 is the round platform cavity 48 of same tapering coaxial with base 40, the lower end of base 40 is fixed with the connecting portion 45 of hollow, connecting portion 45 can select the male connection of hollow, in order to be fixedly connected on the top place of sealed bottle body 1, it is preferably electric detonator pedestal 3 top；The inner chamber of connecting portion 45 is coaxial with round platform cavity 48 and is connected。The top surface of electric detonator pedestal 3 is provided inwardly with the female thread concave station corresponding with connecting portion 45 along axis, in order to connecting portion 45 to be fixed on the top of electric detonator pedestal 3, sealed bottle body 1 inner chamber is made to form the clog-free express passway of a connection between the round platform cavity 48 of base 40, liquid extinguisher 11 is not subjected to the round platform cavity 48 quickly entering base 40 of any obstruction, it is effectively guaranteed the stability of liquid extinguisher 11 injection, effectively shortens the injecting time of liquid extinguisher 11；It addition, the side wall surface that round platform cavity 48 tilts makes liquid extinguisher 11 when round platform cavity 48, the while that injecting time being impregnable, accelerating the flow velocity of liquid extinguisher 11, add flow, liquid extinguisher 11 effectively controls the development of the condition of a fire。
Further, base 40 is provided with some spiral nozzles 41, the effect of the spray film shape liquid extinguisher 11 of the certain angle that spiral nozzle 41 can spray。Spiral nozzle 41 includes head body 42, in the present embodiment, head body 42 is six prism structures, head body 42 is axially inside provided with through hole, its lower surface is to the head body nipple 47 having hollow, base 40 is provided inwardly with internal thread hole on the position corresponding with spiral nozzle 41, is fixed on the base 40 it by the head body nipple 47 of spiral nozzle 41 by screw-threaded engagement in order to convenient。It is connected between round platform cavity 48 and the through hole of head body 42, by the through hole of head body 42 and finally sprays in order to the liquid extinguisher 11 in fire-suppression bottle is passed through round platform cavity 48；The opposite side of head body 42 is fixed with coaxial cone-type spiral bar 43, cone-type spiral bar 43 along axis spiral extension and gradually close up define a tapered channel, make spiral nozzle 41 on base 40 spray the atomized drop of greater density as much as possible, increase extinguishing effect。Cone-type spiral bar 43 is upstream face 46 towards the tangent plane of head body 42, liquid extinguisher 11 can become spray film shape being ejected at an angle moment after encountering upstream face 46, specifically, when liquid extinguisher 11 sprays at a high speed from the through hole of head body 42 to cone-type spiral bar 43 direction, tapered channel makes liquid extinguisher 11 through out-of-date increased flow capacity, droplet shape is broken into more rapidly when encountering the upstream face 46 of the cone-type spiral bar 43 closed up gradually, and be thrown out of along the angle direction of upstream face 46 by the gap of cone-type spiral bar 43, formation can cover the liquid extinguisher 11 of the atomized liquid drop-wise on comburant with high-effect fire-extinguishing。Cone-type spiral bar 43 is provided with block 44 along closing in one end of axis spiral extension, preferably, block 44 is centrally located on the axis of cone-type spiral bar 43, when the liquid extinguisher 11 not being atomized with significantly high speed impacts block 44 time, liquid extinguisher 11, by broken, improves the atomizing effect of liquid extinguisher 11 further。
The spiral bar spacing that cone-type spiral bar 43 is adjacent is 2mm-4mm, and the preferred spiral bar spacing of the present embodiment is 4mm, if spacing is excessive, the effect of liquid extinguisher 11 atomization is just not as obvious, if spacing is too small, then affects the atomization speed of liquid extinguisher 11。
It is preferred that, the plan vertical of base 40 is provided with 1 spiral nozzle 41, the sidewall of base 40 is evenly distributed with 3-6 spiral nozzle 41, angle between the axis of the spiral nozzle 41 on the sidewall of base 40 and the axis of described base 40 is 60 °, enables the spray film with certain angle scope that spiral nozzle 41 sprays to cover to form full angle to greatest extent；The axis of spiral nozzle 41 is perpendicular to the side of round platform cavity 48, makes liquid extinguisher 11 more smooth and easy when being flowed through spiral nozzle 41 by round platform cavity 48。Angle value between upstream face 46 and spiral nozzle 41 axis is 30 ° to 60 °, when liquid extinguisher 11 is sprayed to the upstream face 46 of cone-type spiral bar 43 by the through hole of spiral nozzle 41, the liquid extinguisher 11 of high velocity jet moment can become spray film shape after encountering upstream face 46 and the angle direction along with upstream face 46 is ejected, due to spiral nozzle 41 cone-type spiral bar 43 in the shape of a spiral, the angular range of the liquid extinguisher 11 that therefore spiral nozzle 41 ejects is 2 times namely 60 ° to 120 ° of the upstream face 46 angle value with spiral nozzle 41 axis, and the angle between the axis of spiral nozzle 41 and base 40 axis is 60 °, making liquid extinguisher 11 is spraying to surrounding of full angle, extinguishing effect is best。
The top surface of the preferred base 40 of the present embodiment is vertically provided with 1 spiral nozzle 41, the sidewall of base 40 is provided with 3 spiral nozzles 41 along axis uniform vertical, angle value between upstream face 46 and spiral nozzle 41 axis is 60 °, now then the spray angle of spiral nozzle 41 is 120 °, it is 360 ° that 3 spiral nozzles 41 being uniformly arranged along axis eject the angular range of liquid extinguisher 11, achieve full angle injection equally, it is to avoid injection dead angle, be effectively guaranteed extinguishing effect。Due to only 4 spiral nozzles 41 altogether arranged, liquid extinguisher 11 flow that therefore each spiral nozzle 41 ejects is bigger, and jet length is farther, and effectively the scope of fire extinguishing is bigger。
The thickness of sealing sheet 24 is 0.3mm-0.5mm。Preferably its thickness is 0.5mm for its thickness, both can guarantee that the sealing of bottle internal gas pressure under normal condition, and when putting out a fire, sealing sheet 24 can be punctured by electric detonator 31 and breaks。Meanwhile, when in bottle, pressure store is excessive, sealing sheet 24 will automatically rupture pressure release under the internal effect of calming the anger, and plays the effect of overload protection, bursts thus the unnecessary loss of personal property that causes to avoid crossing ambassador's sealed bottle body 1 because of atmospheric pressure。
The built-in liquid extinguisher 11 of sealed bottle body and gases at high pressure 12, liquid extinguisher 11 includes water and water additive extinguishing chemical, fire foam, 7150 extinguishing chemicals, Novec1230 extinguishing chemical etc., in the present invention, liquid extinguisher 11 is preferably Novec1230 extinguishing chemical, Novec1230 extinguishing chemical not only good extinguishing effect, environmentally safe, toxicity is minimum。Further preferably gases at high pressure 12 are nitrogen, and nitrogen pressure value is 3MPa-5MPa, and in the present embodiment, preferred nitrogen pressure value is 4MPa, and nitrogen is noble gas, will not be combustion-supporting。
Fire extinguisher in the present invention can be inverted and lay, when the fire extinguisher that inversion is laid is started working, liquid extinguisher 11 in sealed bottle body 1 can hit at the top of sealed bottle body 1 due to gravity, the effect that liquid extinguisher 11 is sprayed by the gases at high pressure in bottle is best, injecting time is the shortest, and the injection flow of moment is maximum。Experiment proves that, the largest particles diameter of liquid extinguisher 11 can be narrowed down to below 4mm when satisfied conventional injecting time requires by the fire extinguisher adopting fire extinguishing jet device 4 in the present invention, overall flow reaches 1872L/min, the active balance atomizing effect contradiction with injecting time。Can apply to the fire protection place of the special environment such as colliery, tunnel。
The top surface of the preferred base 40 of second embodiment of the present invention is vertically provided with 1 spiral nozzle 41, the tapered exterior sidewall of base 40 is provided with 6 spiral nozzles 41 along axis uniform vertical, the angle value of upstream face 46 and spiral nozzle 41 axis is 30 °, the spray angle of spiral nozzle 41 is 60 °, it is 360 ° that 6 spiral nozzles 41 being then uniformly arranged along axis eject the angular range of liquid extinguisher 11, achieve full angle injection, it is to avoid injection dead angle, be effectively guaranteed extinguishing effect。Liquid extinguisher 11 can the most quickly be sprayed by 7 spiral nozzle 41 injections altogether arranged, and the very first time controls the condition of a fire。
Claims (8)
1. a fire extinguisher, including sealed bottle body, smoke sensing device and fire extinguishing jet device, it is characterized in that: described sealed bottle body is top opening structure, described fire extinguishing jet device is fixed on above described top opening structure, and the intracavity inter-connection of the round platform cavity of fire extinguishing jet device and described sealed bottle body；Described fire extinguishing jet device includes base, the connecting portion of hollow and the some spiral nozzles being arranged on described base, described base is hollow round table structure, its internal cavity is coaxially with the round platform cavity of tapering with described base, the lower end of described base is fixed with described connecting portion, and the inner chamber of described connecting portion is coaxial with the round platform cavity of described base and is connected；Described spiral nozzle includes head body, described head body be axially inside provided with through hole, the side of described head body is provided with cannulated threaded joint, described base is provided inwardly with internal thread hole on the position corresponding with described spiral nozzle, in order to be fixed on described base by screw-threaded engagement by the nipple of described spiral nozzle, described round platform cavity is connected with described through hole；The opposite side of described head body is fixed with coaxial cone-type spiral bar, described cone-type spiral bar along axis spiral extension and gradually close up define a tapered channel, closing in one end of described cone-type spiral bar extends on axis and is provided with block；The connecting portion of described fire extinguishing jet device is the male connection of hollow, described sealed bottle body top open part is provided with external screw thread, described fire extinguisher also includes the filling valve base seat of hollow, load valve, the electric detonator pedestal of hollow and electric detonator, the top surface of described electric detonator pedestal is provided inwardly with the female thread concave station corresponding with the male connection of described base, in order to the male connection of described base to be fixed on the top of described electric detonator pedestal, what the bottom of described electric detonator pedestal was corresponding with the top of described filling valve base seat is provided with external screw thread boss and female thread concave station, in order to described electric detonator base bottom is fixed on described filling valve base seat top by screw-threaded engagement, described filling valve base bottom is provided with the female thread concave station corresponding with the external screw thread of described sealed bottle body top open part, in order to described filling valve base bottom is fixed on described sealed bottle body top open part；Described filling valve base seat is all provided with the filling valve base block hole consistent with described sealed bottle body open top diameter and electric detonator susceptor through-holes with described electric detonator base interior along sealed bottle body axis, in order to make one interface channel of formation between the round platform cavity in described sealed bottle body top end opening place and described base；Described filling valve base seat is provided with described filling valve；The female thread concave station at described filling valve base block hole top is provided with sealing sheet along end face, is sealing state in order to make described filling valve base block hole top；Being provided with described electric detonator on described electric detonator pedestal, the tail end of described electric detonator faces described sealing sheet。
2. a kind of fire extinguisher according to claim 1, it is characterised in that described block is centrally located on the axis of described cone-type spiral bar。
3. a kind of fire extinguisher according to claim 2, it is characterized in that: the plan vertical of described base is provided with 1 described spiral nozzle, the sidewall of described base is evenly distributed with 3-6 described spiral nozzle, angle between the axis of described spiral nozzle and the axis of described base is 60 °, described cone-type spiral bar is upstream face towards the tangent plane of described head body, and the angle between described upstream face and described spiral nozzle axis is 30 ° to 60 °。
4. a kind of fire extinguisher according to claim 3, it is characterised in that: the axis of described spiral nozzle is perpendicular to the side of described round platform cavity。
5. a kind of fire extinguisher according to claim 3 or 4, it is characterised in that: being evenly distributed with 6 described spiral nozzles on the sidewall of described base, the angle between described upstream face and described spiral nozzle axis is 30 °；Or the sidewall of described base is evenly distributed with 3 described spiral nozzles, the angle value between described upstream face and described spiral nozzle axis is 60 °。
6. a kind of fire extinguisher according to claim 1, it is characterised in that: described sealing sheet is copper material, and thickness is 0.3mm-0.5mm。
7. a kind of fire extinguisher according to claim 1, it is characterised in that: the built-in liquid extinguisher of described sealed bottle body and gases at high pressure, described liquid extinguisher therein is Novec1230 extinguishing chemical, and described gases at high pressure are nitrogen, and nitrogen pressure value is 3MPa-5MPa。
8. a kind of fire extinguisher according to claim 1, it is characterised in that: described fire extinguisher is inverted and is laid。
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| CN201310611565.9A CN103611226B (en) | 2013-11-26 | 2013-11-26 | The fire extinguisher of fire extinguishing jet device and this fire extinguishing jet device of employing |
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| CN201310611565.9A CN103611226B (en) | 2013-11-26 | 2013-11-26 | The fire extinguisher of fire extinguishing jet device and this fire extinguishing jet device of employing |
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| CN103611226A CN103611226A (en) | 2014-03-05 |
| CN103611226B true CN103611226B (en) | 2016-06-22 |
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| CN106166349A (en) * | 2016-08-31 | 2016-11-30 | 李国远 | Automatic fire extinguisher |
| JP6957857B2 (en) * | 2016-10-13 | 2021-11-02 | 株式会社Ihi | Fluid dispersion device and heat treatment device |
| CN106622783A (en) * | 2017-01-10 | 2017-05-10 | 广州市鹰穗消防设备有限公司 | Foam nozzle |
| CN111937735B (en) * | 2020-08-20 | 2022-11-11 | 廖礼鹏 | Atomizing type soilless flower trough and using method thereof |
| CN116236712B (en) * | 2023-04-17 | 2023-12-05 | 广州雅图新能源科技有限公司 | Personnel safety transfer rescue cabin for high-rise building fire alarm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6454017B1 (en) * | 2000-06-26 | 2002-09-24 | Grinnell Corporation | Upright fire protection nozzle |
| KR100457651B1 (en) * | 2002-05-13 | 2004-11-18 | 학교법인 중앙대학교 | Swirl nozzle |
| CN2613319Y (en) * | 2003-03-31 | 2004-04-28 | 首安工业消防股份有限公司 | Thin spray nozzle |
| CN2669908Y (en) * | 2003-09-30 | 2005-01-12 | 福建省白沙消防工贸有限公司 | Automatic extinguisher of heptafluoropropane |
| KR100527289B1 (en) * | 2005-03-03 | 2005-11-09 | 주식회사 파이어앤텍 | Injection nozzle for file-extinguisher |
| CN2882799Y (en) * | 2006-03-20 | 2007-03-28 | 蒋龙福 | Conic spiral sprayer head |
| CN201076832Y (en) * | 2007-09-07 | 2008-06-25 | 镇江金波机电管材厂 | Super-high molecular weight polyethylene conical spiral nozzles |
| CN201147673Y (en) * | 2007-12-18 | 2008-11-12 | 谢建政 | Spiral hollow grooved sprayer head |
| CN201357120Y (en) * | 2008-11-03 | 2009-12-09 | 宋志明 | Cast spiral spray nozzle |
| CN202398007U (en) * | 2011-07-11 | 2012-08-29 | 苏州辰泰鸿业安全技术有限公司 | Closed type middle-low pressure fine spray sprinkler |
| CN202409910U (en) * | 2011-12-16 | 2012-09-05 | 西安新竹实业有限责任公司 | Superfine water mist nozzle |
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