CN103611226A - Extinguishment spraying device and fire extinguisher with same - Google Patents
Extinguishment spraying device and fire extinguisher with same Download PDFInfo
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- CN103611226A CN103611226A CN201310611565.9A CN201310611565A CN103611226A CN 103611226 A CN103611226 A CN 103611226A CN 201310611565 A CN201310611565 A CN 201310611565A CN 103611226 A CN103611226 A CN 103611226A
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Abstract
The invention discloses an extinguishment spraying device. The extinguishment spraying device comprises a base, a connection part and a plurality of spiral nozzles which are mounted on the base, wherein each spiral nozzle comprises a nozzle body; a hollow thread connector is arranged on one side of each nozzle body and a coaxial tapered spiral strip is fixedly arranged on the other side of each nozzle body; each tapered spiral strip extends spirally along the axis and is gradually closed in to form a tapered channel; one closed-in end of each tapered spiral strip extends to the axis and is provided with a stopping block so that a liquid fire extinguishing agent in a fire extinguisher is finally changed into liquid-fog-shaped liquid drops under the high-speed tangent effect of spiral line bodies to be sprayed on an on-fire region when being sprayed to a spiral line body, which is reduced gradually, of each spiral nozzle from the base under a high pressure. The atomization effect is good, the spraying time is short, and the extinguishment spraying device is particularly applicable to fire disaster prevention fields with special environments, including coal mines, tunnels and the like.
Description
Technical field
The invention belongs to fire-fighting fire extinguishing technical field, particularly the fire extinguisher of a kind of fire extinguishing jet device and this fire extinguishing jet device of employing.
Background technology
Liquid extinguisher mostly in the market is breathes out imperial substituted type fire-extinguishing agent, mainly contains water smoke, Novec1230 etc.Research shows, liquid mist size has a direct impact fire extinguishing effect.Undersized drop, can obtain than direct current water or the much bigger body surface area of the water of blooming, and the direct contact surface that can greatly improve extinguishing chemical and comburant or flame is long-pending, is conducive to the infiltration of liquid extinguisher to comburant.But for places such as colliery, tunnels, except the atomization that will guarantee liquid extinguisher well, also to guarantee that injecting time is short, the requirement that injection flow is large, and fire extinguisher in the market cannot meet that liquid extinguisher atomizing effect is good and injecting time is short, the requirement that injection flow is large simultaneously.
Summary of the invention
For solving defect of the prior art, the invention provides and a kind ofly can meet that liquid extinguisher atomizing effect is good and injecting time is short simultaneously, the fire extinguisher of the fire extinguishing jet device of the requirement that injection flow is large and this fire extinguishing jet device of employing, this fire extinguishing jet device has effectively guaranteed injecting time and atomizing effect, fire-fighting efficiency is significantly improved, is particularly useful for the fire protection place of the particular surroundings such as colliery, tunnel
Technical scheme:
A kind of fire extinguishing jet device, comprise the connecting portion of base, hollow and be arranged on the some spiral nozzles on described base, described base is hollow round table structure, its inner 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 round platform cavity of the inner chamber of described connecting portion and described base is coaxial and be connected; Described spiral nozzle comprises head body, the inside of described head body is provided with through hole vertically, one side of described head body is provided with cannulated threaded joint, described base is inwardly provided with internal thread hole on the position corresponding with described spiral nozzle, in order to the nipple of described spiral nozzle is fixed on described base by screw-threaded engagement, 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, and described cone-type spiral bar extends spirally and closes up and formed a tapered channel gradually along axis, and closing in one end of described cone-type spiral bar extends on axis and is provided with block.
On the axis that is centered close to described cone-type spiral bar of described block.
The top of described base is vertically installed with 1 described spiral nozzle, on the sidewall of described base, be 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.
On the sidewall of described base, be evenly distributed with 6 described spiral nozzles, the angle between described upstream face and described spiral nozzle axis is 30 °; Or on the sidewall of described base, being 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, comprise sealed bottle body and smoke sensing device, described sealed bottle body is open top structure, it is characterized in that: also comprise above-mentioned a kind of fire extinguishing jet device, described fire extinguishing jet device is fixed on described open top superstructure, and the round platform cavity of fire extinguishing jet device and the intracavity inter-connection of 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 comprises the filling valve base seat of hollow, load valve, electric detonator pedestal and the electric detonator of hollow, the top surface of described electric detonator pedestal is inwardly provided with the internal thread concave station corresponding with the male connection of described base, in order to the male connection of described base is fixed on to the top of described electric detonator pedestal, the top of the bottom of described electric detonator pedestal and described filling valve base seat is corresponding is provided with external screw thread boss and internal thread concave station, in order to described electric detonator base bottom is fixed on to described filling valve base seat top by screw-threaded engagement, described filling valve base bottom is provided with the internal 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 to 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 pedestal through hole along sealed bottle body axis with described electric detonator base interior, uses so that form an interface channel between the round platform cavity in described sealed bottle body top end opening place and described base, on described filling valve base seat, described filling valve is installed, the internal thread concave station at described filling valve base block hole top is provided with sealing sheet along end face, with so that described filling valve base block hole top is sealing state, on described electric detonator pedestal, described electric detonator is installed, 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 is wherein Novec1230 extinguishing chemical, and described gases at high pressure are nitrogen, and nitrogen pressure value is 3MP-5MP.
Described fire extinguisher is inverted and is laid.
Technique effect:
The fire extinguisher that the invention provides a kind of fire extinguishing jet device and this fire extinguishing jet device of employing, compared to the prior art, the present invention has following beneficial effect:
Spiral nozzle comprises head body, one side of head body is fixed with nipple, base is provided with internal thread hole on the position corresponding with spiral nozzle, in order to convenient, by screw-threaded engagement, the nipple of spiral nozzle is fixed on base, 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 when the cavity, and flow is constant, but flow velocity can accelerate, shorten the time that liquid extinguisher sprays, effectively control 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 be selected male connection, in order to be fixedly connected on place, sealed bottle body top, is preferably 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 to head body through hole final ejection by round platform cavity; Head body upper surface is upwards provided with cone-type spiral bar, and cone-type spiral bar extends spirally and closes up gradually along axis and formed a tapered channel, makes spiral nozzle on base spray as much as possible the atomized drop of larger density, increases fire extinguishing effect.When liquid extinguisher is when spraying at a high speed in the through hole of head body, tapered channel makes liquid extinguisher strengthen through out-of-date flow, at the cone-type spiral bar of encountering closing in gradually, broken into rapidly droplet shape, and in the gap between screw of cone-type spiral bar throwing away at an angle, formation 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, on the axis that is centered close to cone-type spiral bar of block, when the liquid extinguisher not being atomized clashes into block with very high speed, liquid extinguisher, by broken formation spray film, further improves the atomizing effect of liquid extinguisher.
Preferably, the top of base is vertically installed 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 °, and the spray film with certain angle scope of spiral nozzle ejection can be covered to form to greatest extent full angle, 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 sprays to the upstream face of cone-type spiral bar by the through hole of spiral nozzle, the liquid extinguisher of high velocity jet is encountered can become spray film shape after upstream face moment and along with the angle direction of upstream face is ejected, due to the cone-type spiral bar of spiral nozzle in the shape of a spiral, the angular range of the liquid extinguisher that therefore spiral nozzle ejects is that 2 times of angle value of upstream face and spiral nozzle axis are 60 ° to 120 °, and the axis angle of the axis of spiral nozzle and spout base is 60 °, make liquid extinguisher be spraying to surrounding of full angle, fire extinguishing best results.
Further preferred, 1 spiral nozzle of top at right angle setting of base, on the sidewall of base, be 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 the angular range that 3 spiral nozzles that evenly arrange eject liquid extinguisher is 360 °, has realized equally full angle injection, avoid injection dead angle, effectively guaranteed fire extinguishing effect.Due to 4 spiral nozzles that only have that altogether arrange, so the liquid fire extinguishing agent flux that each spiral nozzle ejects is larger, and jet length is farther, and effectively the scope of fire extinguishing is larger.
Further preferred, 1 spiral nozzle of top at right angle setting of base, on the sidewall of base, be 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 °, and the angular range that 6 spiral nozzles that evenly arrange eject liquid extinguisher is 360 °, has realized full angle injection, avoid injection dead angle, effectively guaranteed fire extinguishing effect.7 spiral nozzles that altogether arrange spray can be the most fast by liquid extinguisher ejection, and the very first time is controlled the condition of a fire.
The axis of spiral nozzle is perpendicular to the side of round platform cavity, more smooth and easy while making liquid extinguisher flow through spiral nozzle by round platform cavity.
A fire extinguisher, comprises the sealed bottle body of built-in liquid extinguisher and gases at high pressure, external smoke sensing device, and sealed bottle body is open top structure, and sealed bottle body top open part is provided with external screw thread, has adopted 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 is accompanied by the promotion of gases at high pressure, by fire extinguishing jet device, is sprayed, and effectively puts out a fire.
The top surface of electric detonator pedestal is inwardly provided with the internal thread concave station corresponding with the bottom thread joint of base, in order to the bottom male connection of base is fixed on to the top of electric detonator pedestal, the top of the bottom of electric detonator pedestal and filling valve base seat is corresponding is provided with external screw thread boss and internal thread concave station, in order to electric detonator base bottom is fixed on to filling valve base seat top by screw-threaded engagement, load valve base bottom and be provided with the internal thread concave station corresponding with sealed bottle body tip male thread, in order to filling valve base bottom is fixed on to sealed bottle body top; Load valve base seat and all along sealed bottle body axis, be provided with the filling valve base block hole consistent with sealed bottle body open top diameter and electric detonator pedestal through hole with electric detonator base interior, with so that sealed bottle body top end opening place forms a clog-free express passway between the round platform cavity of base, make liquid extinguisher not to be subject to entering in base and being finally ejected of any obstruction from sealed bottle body, effectively shorten injecting time, in the very first time, effectively controlled the condition of a fire.Load on valve base seat filling valve is installed, for to carrying out the filling of liquid extinguisher or gases at high pressure in sealed bottle body; Load valve base block hole top internal thread concave station and be provided with sealing sheet along end face, with being sealing state so that load valve base block hole top; On electric detonator pedestal, electric detonator is installed, the tail end of electric detonator faces sealing sheet, when external smoke sensing device senses that fire occurs to carry out fire-fighting work, immediately detonator signal is passed to electric detonator by wire, when electric detonator is detonated, the sealing sheet of loading valve base seat top just can be punctured by electric detonator, thereby form huge draught head, drive the liquid extinguisher in sealed bottle body to be promoted be ejected to the round platform cavity of base and sprayed by spiral nozzle by the breach place of sealing sheet by high pressure air pressure.
Preferably, the material of sealing sheet is preferably copper material, and its thickness is 0.3mm-0.5mm, can guarantee the sealing of the lower bottle internal gas pressure of normal condition, and when fire extinguishing, sealing sheet can be punctured and break by electric detonator.Meanwhile, when in bottle, pressure store is excessive, sealing sheet pressure release of will automatically rupturing under the effect of calming the anger of inside, plays the effect of overload protection, thereby to avoid crossing because of atmospheric pressure the unnecessary loss of personal property that the explosion of ambassador's sealed bottle body causes.
The built-in liquid extinguisher of sealed bottle body and gases at high pressure, preferred liquid extinguishing chemical is Novec1230 extinguishing chemical, and gases at high pressure are nitrogen, and nitrogen pressure value is 3MP-5MP, and Novec1230 extinguishing chemical is good extinguishing effect not only, environmentally safe, toxicity is minimum.Further preferably, nitrogen is inert gas, can be not combustion-supporting.
Fire extinguisher is inverted and is laid, and when fire extinguisher is started working, the effect spraying under the High Pressure of the liquid extinguisher in sealed bottle body in bottle 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 pedestal through hole, 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.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention discloses the fire extinguisher of a kind of fire extinguishing jet device 4 and this injection apparatus 4 of employing, Fig. 1 is the structural representation of fire extinguisher in the present invention, as shown in Figure 1, fire extinguisher in the present invention comprises 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 open top structure, sealed bottle body 1 top open part is provided with external screw thread, fire extinguishing jet device 4 bottoms are fixed on electric detonator pedestal 3 tops, electric detonator pedestal 3 bottoms are fixed on loads valve base seat 2 tops, load valve base seat 2 bottoms and be fixed on sealed bottle body 1 top, make sealed bottle body 1, load valve base seat 2, electric detonator pedestal 3 and fire extinguishing jet device 4 are integrated connection.
Concrete, the top of the bottom of electric detonator pedestal 3 and filling valve base seat 2 is corresponding is provided with external screw thread boss and internal thread concave station, in order to electric detonator pedestal 3 bottoms are fixed on to filling valve base seat 2 tops by screw-threaded engagement, load valve base seat 2 bottoms and be provided with the internal thread concave station corresponding with sealed bottle body 1 tip male thread, in order to filling valve base seat 2 bottoms are fixed on to sealed bottle body 1 top.
Further, load valve base seat 2 and all along sealed bottle body 1 axis, be provided with the filling valve base block hole 23 consistent with sealed bottle body 1 open top diameter and electric detonator pedestal through hole 33 with electric detonator pedestal 3 is inner, with so that sealed bottle body 1 inner chamber to the clog-free express passway that forms a connection between fire extinguishing jet device 4, and being able to not to be subject to from sealed bottle body 1 fire extinguishing jet device 4 that enters into rapidly of any obstruction, liquid extinguisher 11 carries out the injection of liquid extinguisher 11, effectively guaranteed the stability that liquid extinguisher 11 sprays, injecting time is also effectively shortened.On the position of the lateral wall of filling valve base seat 2 corresponding to filling valve base block hole 23, be provided with and load valve 21, the tail end of loading valve 21 is provided with and loads valve interface channel 22 with loading valve base block hole 23, for by loading the filling of carrying out liquid extinguisher 11 or gases at high pressure 12 in 21 pairs of sealed bottle bodies 1 of valve, the top internal thread concave station of loading valve base block hole 23 is provided with sealing sheet 24 along end face, with being sealing state so that load valve base block hole 23 tops, one side sidewall of electric detonator pedestal 3 is tapered sidewalls, the tapered sidewalls of electric detonator pedestal 3 corresponds on the position of sealing sheet 24 electric detonator 31 is installed, the tail end of electric detonator 31 is cylindrical openings structure, its top is vertically fixed on the outer wire 34 being connected with external smoke sensing device that is also outwards provided with of electric detonator pedestal 3 tapered sidewalls, between the openend of electric detonator 31 and electric detonator pedestal 3 through holes, be provided with electric detonator interface channel 32 use so that the tail end of electric detonator 31 faces sealing sheet 24, when external smoke sensing device senses that fire occurs to carry out fire-fighting work, immediately detonator signal is passed to electric detonator 31 by wire 34, when electric detonator 31 is detonated, the sealing sheet 24 of loading valve base seat 2 tops just can be punctured by electric detonator 31, thereby form huge draught head, drive the liquid extinguisher 11 in sealed bottle body 1 to be promoted to be ejected to base 40 and to spray liquid extinguishers 11 by spiral nozzle 41 by the breach place of sealing sheet 24 by high pressure air pressure 12, effectively put out a fire.
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 comprises base 40, connecting portion and be arranged on the some spiral nozzles 41 on base 40, base 40 is hollow round table structure, the cavity of base 40 inside is the round platform cavity 48 with base 40 coaxial same taperings, the lower end of base 40 is fixed with the connecting portion 45 of hollow, connecting portion 45 can be selected the male connection of hollow, in order to be fixedly connected on the place, top of sealed bottle body 1, be preferably electric detonator pedestal 3 tops, the inner chamber of connecting portion 45 is coaxial with round platform cavity 48 and be connected.The top surface of electric detonator pedestal 3 is inwardly provided with the internal thread concave station corresponding with connecting portion 45 along axis, in order to connecting portion 45 is fixed on to the top of electric detonator pedestal 3, make sealed bottle body 1 inner chamber to the clog-free express passway that forms a connection between the round platform cavity 48 of base 40, liquid extinguisher 11 is not subject to the round platform cavity 48 that enters into rapidly base 40 of any obstruction, effectively guarantee the stability that liquid extinguisher 11 sprays, effectively shortened the injecting time of liquid extinguisher 11; In addition, when the side wall surface that round platform cavity 48 tilts makes liquid extinguisher 11 through round platform cavity 48, the impregnable while of injecting time, accelerated the flow velocity of liquid extinguisher 11, increased flow, liquid extinguisher 11 is effectively controlled 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 comprises head body 42, in the present embodiment, head body 42 is six prism structures, head body 42 inside are provided with through hole vertically, its lower surface is to the head body nipple 47 that has hollow, base 40 is inwardly provided with internal thread hole on the position corresponding with spiral nozzle 41, in order to convenient, by screw-threaded engagement, the head body nipple 47 of spiral nozzle 41 is fixed on base 40.Between the through hole of round platform cavity 48 and head body 42, be connected, in order to by the liquid extinguisher in fire-suppression bottle 11 by round platform cavity 48 by the through hole of head body 42 final ejection; The opposite side of head body 42 is fixed with coaxial cone-type spiral bar 43, cone-type spiral bar 43 extends spirally and closes up and formed a tapered channel gradually along axis, make spiral nozzle 41 on base 40 spray as much as possible the atomized drop of larger density, increase fire extinguishing effect.Cone-type spiral bar 43 is upstream face 46 towards the tangent plane of head body 42, liquid extinguisher 11 is encountered can become spray film shape being ejected at an angle after upstream face 46 moment, particularly, when liquid extinguisher 11 sprays at a high speed to cone-type spiral bar 43 directions from the through hole of head body 42, tapered channel makes liquid extinguisher 11 strengthen through out-of-date flow, when encountering the upstream face 46 of the cone-type spiral bar 43 closing up gradually, broken into more rapidly droplet shape, and the angle direction along upstream face 46 is thrown out of in the gap of cone-type spiral bar 43, formation can cover the liquid extinguisher 11 of the atomized drop shape on comburant with high-effect fire-extinguishing.Closing in one end that cone-type spiral bar 43 extends spirally along axis is provided with block 44, preferably, on the axis that is centered close to cone-type spiral bar 43 of block 44, when the liquid extinguisher 11 not being atomized clashes into block 44 with very high speed when, liquid extinguisher 11, by broken, further improves the atomizing effect of liquid extinguisher 11.
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 atomizations is not just clearly, if spacing is too small, affects the atomization speed of liquid extinguisher 11.
Further preferred, the top of base 40 is vertically installed with 1 spiral nozzle 41, on the sidewall of base 40, be 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 °, and the spray film with certain angle scope of spiral nozzle 41 ejections can be covered to form to greatest extent full angle; The axis of spiral nozzle 41 is perpendicular to the side of round platform cavity 48, more smooth and easy while making liquid extinguisher 11 flow 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 sprays 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 is encountered can become spray film shape after upstream face 46 moment and along with the angle direction of upstream face 46 is ejected, due to the cone-type spiral bar 43 of spiral nozzle 41 in the shape of a spiral, the angular range of the liquid extinguisher 11 that therefore spiral nozzle 41 ejects is upstream faces 46 and 2 times 60 ° to 120 ° of the angle value of spiral nozzle 41 axis, and angle between the axis of spiral nozzle 41 and base 40 axis is 60 °, make liquid extinguisher 11 be spraying to surrounding of full angle, fire extinguishing best results.
The top surface of the preferred base 40 of the present embodiment is vertically provided with 1 spiral nozzle 41, on the sidewall of base 40, along axis, be evenly vertically provided with 3 spiral nozzles 41, angle value between upstream face 46 and spiral nozzle 41 axis is 60 °, now the spray angle of spiral nozzle 41 is 120 °, the angular range that 3 spiral nozzles 41 that evenly arrange along axis eject liquid extinguisher 11 is 360 °, realize equally full angle injection, avoided injection dead angle, effectively guaranteed fire extinguishing effect.Due to 4 spiral nozzles 41 that only have that altogether arrange, so liquid extinguisher 11 flows that each spiral nozzle 41 ejects are larger, and jet length is farther, and effectively the scope of fire extinguishing is larger.
The thickness of sealing sheet 24 is 0.3mm-0.5mm.Preferably its thickness, for its thickness is 0.5mm, can guarantee the sealing of the lower bottle internal gas pressure of normal condition, and when fire extinguishing, sealing sheet 24 can be punctured and break by electric detonator 31.Meanwhile, when in bottle, pressure store is excessive, sealing sheet 24 pressure release of will automatically rupturing under the effect of calming the anger of inside, plays the effect of overload protection, thereby to avoid crossing because of atmospheric pressure the unnecessary loss of personal property that 1 explosion of ambassador's sealed bottle body causes.
The built-in liquid extinguisher 11 of sealed bottle body and gases at high pressure 12, liquid extinguisher 11 comprises 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 is good extinguishing effect not only, environmentally safe, toxicity is minimum.Further preferably gases at high pressure 12 are nitrogen, and nitrogen pressure value is 3MP-5MP, and in the present embodiment, preferred nitrogen atmospheric pressure value is 4MP, and nitrogen is inert gas, can be not 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 be because gravity hits the top at sealed bottle body 1, liquid extinguisher 11 is best by the effect of the gases at high pressure ejection in bottle, injecting time is the shortest, and the injection flow of moment is maximum.Through verification experimental verification, in the present invention, adopt the fire extinguisher of fire extinguishing jet device 4 can be in the situation that meeting conventional injecting time and requiring by the largest particles reduced of liquid extinguisher 11 below 4mm, whole flow reaches 1872L/min, active balance the contradiction of atomizing effect and injecting time.Can be applied to the fire protection place of the particular surroundings such as colliery, tunnel.
The top surface of second preferred base 40 of embodiment of the present invention is vertically provided with 1 spiral nozzle 41, in the tapered exterior sidewall of base 40, along axis, be evenly vertically provided with 6 spiral nozzles 41, upstream face 46 is 30 ° with the angle value of spiral nozzle 41 axis, the spray angle of spiral nozzle 41 is 60 °, the angular range that 6 spiral nozzles 41 that evenly arrange along axis eject liquid extinguisher 11 is 360 °, realized full angle injection, avoid injection dead angle, effectively guaranteed fire extinguishing effect.7 spiral nozzles 41 that altogether arrange spray can be the most fast by liquid extinguisher 11 ejections, and the very first time is controlled the condition of a fire.
Claims (10)
1. a fire extinguishing jet device, it is characterized in that: comprise the connecting portion of base, hollow and be arranged on the some spiral nozzles on described base, described base is hollow round table structure, its inner 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 round platform cavity of the inner chamber of described connecting portion and described base is coaxial and be connected; Described spiral nozzle comprises head body, the inside of described head body is provided with through hole vertically, one side of described head body is provided with cannulated threaded joint, described base is inwardly provided with internal thread hole on the position corresponding with described spiral nozzle, in order to the nipple of described spiral nozzle is fixed on described base by screw-threaded engagement, 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, and described cone-type spiral bar extends spirally and closes up and formed a tapered channel gradually along axis, and closing in one end of described cone-type spiral bar extends on axis and is provided with block.
2. a kind of fire extinguishing jet device according to claim 1, is characterized in that, on the axis that is centered close to described cone-type spiral bar of described block.
3. a kind of fire extinguishing jet device according to claim 2, it is characterized in that: the top of described base is vertically installed with 1 described spiral nozzle, on the sidewall of described base, be 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 extinguishing jet device according to claim 3, is characterized in that: the axis of described spiral nozzle is perpendicular to the side of described round platform cavity.
5. according to a kind of fire extinguishing jet device described in claim 3 or 4, it is characterized in that: on the sidewall of described base, be evenly distributed with 6 described spiral nozzles, the angle between described upstream face and described spiral nozzle axis is 30 °; Or on the sidewall of described base, being evenly distributed with 3 described spiral nozzles, the angle value between described upstream face and described spiral nozzle axis is 60 °.
6. a fire extinguisher, comprise sealed bottle body and smoke sensing device, described sealed bottle body is open top structure, it is characterized in that: also comprise a kind of fire extinguishing jet device that one of claim 1-5 is described, described fire extinguishing jet device is fixed on described open top superstructure, and the round platform cavity of fire extinguishing jet device and the intracavity inter-connection of described sealed bottle body.
7. a kind of fire extinguisher according to claim 6, it is characterized in that: the male connection that the connecting portion of described fire extinguishing jet device is hollow, described sealed bottle body top open part is provided with external screw thread, described fire extinguisher also comprises the filling valve base seat of hollow, load valve, electric detonator pedestal and the electric detonator of hollow, the top surface of described electric detonator pedestal is inwardly provided with the internal thread concave station corresponding with the male connection of described base, in order to the male connection of described base is fixed on to the top of described electric detonator pedestal, the top of the bottom of described electric detonator pedestal and described filling valve base seat is corresponding is provided with external screw thread boss and internal thread concave station, in order to described electric detonator base bottom is fixed on to described filling valve base seat top by screw-threaded engagement, described filling valve base bottom is provided with the internal 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 to 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 pedestal through hole along sealed bottle body axis with described electric detonator base interior, uses so that form an interface channel between the round platform cavity in described sealed bottle body top end opening place and described base, on described filling valve base seat, described filling valve is installed, the internal thread concave station at described filling valve base block hole top is provided with sealing sheet along end face, with so that described filling valve base block hole top is sealing state, on described electric detonator pedestal, described electric detonator is installed, the tail end of described electric detonator faces described sealing sheet.
8. a kind of fire extinguisher according to claim 7, is characterized in that: described sealing sheet is copper material, and thickness is 0.3mm-0.5mm.
9. according to a kind of fire extinguisher described in claim 6 or 7, it is characterized in that: the built-in liquid extinguisher of described sealed bottle body and gases at high pressure, described liquid extinguisher is wherein Novec1230 extinguishing chemical, and described gases at high pressure are nitrogen, and nitrogen pressure value is 3MP-5MP.
10. according to a kind of fire extinguisher described in claim 6 or 7, it is characterized 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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| CN103611226B CN103611226B (en) | 2016-06-22 |
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