CN203750073U - Two-fluid jet fine water mist fire gun - Google Patents
Two-fluid jet fine water mist fire gun Download PDFInfo
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- CN203750073U CN203750073U CN201420109208.2U CN201420109208U CN203750073U CN 203750073 U CN203750073 U CN 203750073U CN 201420109208 U CN201420109208 U CN 201420109208U CN 203750073 U CN203750073 U CN 203750073U
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- extinguishing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000012530 fluid Substances 0.000 title claims abstract description 34
- 239000003595 mist Substances 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 134
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 22
- 238000000889 atomisation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 241000009298 Trigla lyra Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003197 gene knockdown Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000002706 plastid Anatomy 0.000 claims description 2
- 230000005486 microgravity Effects 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 84
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000005514 two-phase flow Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a two-fluid jet fine water mist fire gun, and belongs to the technical field of fire-fighting fire apparatus. The two-fluid jet fine water mist fire gun comprises a fire gun body (1), a gas-liquid supply bag (2), a pressure gas delivery pipe (3) and a liquid delivery pipe (4) which are connected, wherein the fire gun body (1) is a rigid body in a gun shape; a gas inlet (11) and a liquid inlet (12) are parallelly arranged left and right below a gun grip; the pressure gas delivery pipe (3) and the liquid delivery pipe (4) are connected to the gas-liquid supply bag (2). The two-fluid jet fine water mist fire gun provided by the utility model can be used for inhibiting and extinguishing the early fire inside a spacecraft by jetting fine water mist in a low microgravity environment, is capable of saving the fire-extinguishing agent resources and is convenient and flexible in use.
Description
Technical field
The utility model belongs to fire-fighting fire extinguishing equipment technical field, is specifically related to mechanical two-fluid in microgravity environment and sprays fine spray extinguisher, and particularly a kind of two-fluid sprays fine mist fire-fighting rifle.
Background technology
In existing microgravity environment, fire Prevention Technique generally takes to spray CO
2put out the fire in spacecraft Deng extinguishing chemical, destroyed the air ambient in spacecraft, make the spacefarer cannot normal existence.CO
2cause severe contamination to the environment in spacecraft Deng after extinguishing chemical release, need to change the air in spacecraft, this is a very difficult job.
Explore Water Mist Fire Extinguishing Technique is applied in spacecraft, prevent and treat for spacecraft fire.Effervescent atomization is a kind of effectively thin water smoke method for generation, and it is that gas and liquid are injected in the hybrid chamber of nozzle simultaneously, forms two phase flow.Two phase flow is in the time flowing through the spout of nozzle end, and two phase flow will be followed successively by air bubble-shaped, bulk and three kinds of modes of ring-type and flow.Two phase flow is in the time that spout sprays, and gas phase expands rapidly, and liquid phase is broken into liquid band.These liquid bands are unstable, split into rapidly again liquid section.The continuation fragmentation that liquid section has, settling out of having becomes drop, thereby formed thin water smoke.Because the skin covering of the surface of bubble is much smaller than the thickness of fluid column or liquid film, atomization institute energy requirement is less, and the particle of atomization is also very thin.Effervescent atomization has utilized the energy of atomization gas most effectively, has realized best atomizing effect.Hydro-thermal is molten, and than high, the water fog particle specific area of fine dimension is large, and heat absorption capacity is good, and rate of gasification is up to 1600 times, and oxygen barrier is good, and nontoxic clean and effective is environmentally friendly.
Summary of the invention
The utility model provides a kind of two-fluid to spray fine mist fire-fighting rifle, can, under low microgravity environment, eject thin water smoke suppress and extinguish the incipient fire in spacecraft with it, saves extinguishing chemical resource, and easy to use, flexible.
The utility model provides a kind of two-fluid to spray fine mist fire-fighting rifle, supplies with bag, pressed gas input pipe and liquid input tube connect and compose by fire gun body and gas-liquid, fire gun body is the firm plastid of a handgun shape, below pikestaff, left and right has gas access port and liquid incoming port side by side, is connected to gas-liquid supplies with bag with pressed gas input pipe and liquid input tube, in fire gun body handle, have the first gas transport hole and first liquid transmission hole, fire gun body top has the second gas transport hole and second liquid transmission hole, wherein the first gas transport hole and the second gas transport hole communicate, first liquid transmission hole and second liquid transmission hole communicate, there are gas vent and liquid outlet in the termination of the second gas transport hole and second liquid transmission hole, fire gun body is connected with atomizer seat, by the first hole on atomizer seat and the second hole with bolt by atomizer seat and fire gun body fixed-link, porose gas transport part and fluid transport part in the middle of inserting respectively between gas vent and liquid outlet and atomizer seat, gas-liquid is arrived to shower nozzle, the upper release aperture of pikestaff for discharging the gas of the first circular port and the second circular port in the time of switching manipulation, have the first circular port and the second circular port in the front, top of pikestaff, in the first circular port and the second circular port, spring is housed, the first circular port and the first gas transport hole communicate, the second circular port and first liquid transmission hole communicate, plug-in mounting switch member in the first circular port and the second circular port, for the break-make of control piper gas-liquid, switch member front end has the first hole and the second hole, switch member bottom is inserted in the first circular port and the second circular port, front end and the switch knob of switch member are linked, and on switch knob and rifle body, pin hole is fixed with latch, under the thrust of spring, the first hole of switch member front end and the second hole and the first gas transport hole and first liquid transmission hole are blocked, when pulling while compressing switch spanner, at switch member extrusion spring, the first hole and second hole of switch member front end are communicated with the first gas transport hole and first liquid transmission hole respectively, gas-liquid respectively the first hole by switch member front end and the second hole and in pipeline by arriving atomizer, the agent of ejection atomization fire extinguishing, atomizer, by being made up of externally threaded nozzle boss, nozzle and female gland, packs nozzle in nozzle boss into, by the screw thread rotation compression of gland and nozzle boss, nozzle is that one end is a hemispheroidal cylinder, and cylindrical butt end middle part is hole, and on hemisphere, symmetry is opened 4 through holes, and one end and the hole of through hole communicate, and between the axis of through hole and the axis of nozzle, have certain angle.
Wherein, gas-liquid is supplied with handbag and is drawn together the fire-extinguishing bottle that a withstand voltage rigid body material is made, and fire-extinguishing bottle bottom is a hemisphere, and fire-extinguishing bottle bottom is peripheral with a cylinder connection, for being steadily positioned over plane; The rigid body lid of fire-extinguishing bottle upper end is fixedly connected with fire-extinguishing bottle with bolt, on lid, be welded with first interface and second interface of through hole, first interface connects the first switch and first pressure-regulating valve of controlled pressure gas, the first switch is connected with pressed gas input pipe, the second interface connects second switch and second pressure-regulating valve of controlled pressure liquid extinguisher, and second switch is connected with liquid input tube; Pressed gas input pipe is connected and robs pressed gas is provided to fire extinguishing with the gas access port of fire gun; Liquid input tube is connected and robs pressure fluid extinguishing chemical is provided to fire extinguishing with the liquid incoming port of fire gun; A piston type gas-liquid dividing plate is installed at fire-extinguishing bottle middle part, for separating the pressed gas on top and the liquid extinguisher of bottom, the periphery of piston type gas-liquid dividing plate has the first annular groove and the second annular groove, equal mounting O-shaped rings in two annular grooves, for the sealing between gas and liquid extinguisher, under the effect of fire-extinguishing bottle upper pressure gas, piston type gas-liquid dividing plate moves down to liquid extinguisher and pressurizes; Water flowing pipe fitting is installed at piston type gas-liquid dividing plate middle part, water flowing pipe fitting upper end is connected with the second interface with the first flexible pipe, water flowing pipe fitting lower end connects the second flexible pipe, on the wall of the second flexible pipe, both sides are installed with dozens of aperture from top to bottom symmetrically, in the time that piston type gas-liquid dividing plate moves up and down along fire-extinguishing bottle inwall, the liquid extinguisher in fire-extinguishing bottle can arrive the second interface from aperture enters the first flexible pipe; The Compressed Gas of fire-extinguishing bottle internal upper part arrives the gas access port of fire gun successively by first interface, the first pressure-regulating valve and pressed gas input pipe, provide pressed gas to fire gun.
Wherein, when use, first open gas-liquid and supply with the first switch and the second switch in bag; Liquid extinguisher in extinguishing chemical bottle and pressed gas, gas access port and liquid incoming port through pressed gas appendix and liquid input tube to the fire gun body of fire gun, be trigger while opening in switch member, liquid extinguisher and gas arrive respectively gas-liquid mixed chamber forms the thin water smoke that can suppress with knock down the flame from thin water fog applicator ejection after mixing; In the time unclamping trigger, under the elastic force effect of two springs, switch member is moved forward, open with the first gas transport hole and the blocking-up of first liquid transmission hole respectively in the first hole of switch member front end and the second hole, has blocked the path of gas and liquid.
The utility model advantage is compared with prior art:
The utility model twin fire extinguisher, can be applicable to the most of clean liquid extinguishing chemicals including water.Can extinguish the blaze at short notice, use fire-fighting dose few, fire extinguishing cost is low, and range is 2-4m, easy to use, flexible, and clean and effective is applicable to put out the restricted clearance fire such as spacecraft, the incipient fire in room, and early stage automobile fire.
Be extinguishing chemical when adopting water, compressed nitrogen is during as pressure gas source and auxiliary extinguishing chemical, this portable two-fluid water spray fire gun, replace the water column fire extinguishing of large flow with water smoke, simultaneously, the effect of the oxygen at rapid refrigeration and isolated burning object place is played in tiny globule evaporation, thereby the temperature on reduction comburant surface reaches the object of fire extinguishing.The water smoke that this utility model two-fluid sprays can not conduct electricity, therefore the incipient fire of the charging zone that also can be used for going out.
Brief description of the drawings
Fig. 1 is the structural principle schematic diagram of the thin atomized water spray fire gun of the utility model two-fluid.
Fig. 2 is the structural principle schematic diagram that two-fluid sprays fine mist fire-fighting rifle gas transport part and fluid transport part.
Fig. 3 is that two-fluid sprays between fine mist fire-fighting rifle rifle body and shower nozzle connecting hole and closes and link screw schematic layout pattern.
Fig. 4 is the thin atomized water spray fire gun of two-fluid pikestaff cutaway view.
Fig. 5 is the thin atomized water spray fire gun of two-fluid rifle body top cutaway view.
Fig. 6 is the structural principle schematic diagram of the thin atomized water spray fire gun of two-fluid switch member.
In figure, the implication of Reference numeral is: fire gun body 1; Gas-liquid is supplied with bag 2; Pressed gas input pipe 3; Liquid input tube 4; Gas access port 11; Liquid incoming port 12; The first gas transport hole 13; First liquid transmission hole 14; Front, top first circular port 15 of pikestaff, the second circular port 16; The second gas transport hole 17; Second liquid transmission hole 18; Atomizer 20; Atomizer seat 21; Gland 22; Nozzle 23; Switch knob 25; Switch member 26; The first hole 27 of switch member 26 front ends, the second hole 28; Gas transport part, fluid transport part 29; Gas vent 30; Liquid outlet 31; The first hole 32, the second hole 33 on atomizer seat 21; Pin hole 34; Spring 35; Release aperture 36; Hole 38; Through hole 39; Fire-extinguishing bottle 41; First interface 42; The second interface 43; The first switch 44; Second switch 45; Piston type gas-liquid dividing plate 48; Water flowing pipe fitting 49; Rigid body lid 50; M5 bolt 51; The first flexible pipe 53; The second flexible pipe 54; Hemisphere 55; Cylinder 56; Gas pressure control valve 57; Hydraulic pressure gage 61; Gas gauge 62.
Detailed description of the invention
Illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, the utility model provides a kind of two-fluid to spray fine mist fire-fighting rifle, it is characterized in that being supplied with bag 2, pressed gas input pipe 3 and liquid input tube 4 and being connected and composed by fire gun body 1, gas-liquid.The fire gun body 1 of fire gun is a similar handgun shape, the steel body of thick 26mm, as shown in Figure 3, below the pikestaff of fire gun body 1, left and right has gas access port 11 and the liquid incoming port 12 of dark 20mm two 8 internal threads side by side, is connected to gas-liquid supplies with bag 2 with pressed gas input pipe 3 and liquid input tube 4, open forward straight 40mm in the inner of gas access port 11 and liquid incoming port 12 dark, diameter is the first gas transport hole 13 and the first liquid transmission hole 14 of 3mm, as shown in Figure 4, rifle body top has the second gas transport hole 17 and the second liquid transmission hole 18 that diameter is 3mm, wherein the first gas transport hole 13 and the second gas transport hole 17 communicate, first liquid transmission hole 14 and second liquid transmission hole 18 communicate, the termination of the second gas transport hole 17 and second liquid transmission hole 18 is that diameter is gas vent 30 and the liquid outlet 31 of the dark 3mm step of 4mm, fire gun body 1 is connected with atomizer seat 21, tack Luo Ding by the first hole 32 on atomizer seat 21 and the second hole 33 use m3 is by atomizer seat 21 and fire gun body 1 fixed-link, it is the hole of the dark 3mm step of 4mm that atomizer seat 21 has diameter, between gas vent 30 and liquid outlet 31 and atomizer seat 21, inserting respectively external diameter is gas transport part 29 and the fluid transport part 29 that has 1.5mm diametric hole in the middle of 4mm, gas-liquid is arrived to shower nozzle, having diameter in the front, top of pikestaff is 6mm, dark is the first circular port 15 and the second circular port 16 of 30mm, the first circular port 15 and gas transmission hole 13 communicate, the second circular port 16 and fluid transport hole 14 communicate, plug-in mounting class switch member 26 in the form of piston in the first circular port 15 and the second circular port 16, for the break-make of control piper gas-liquid, switch member 26 front ends have the first hole 27 and the second hole 28 that diameter is 2mm, the spring 35 of φ 5mm is housed in switch member 26 bottom rifle body the first circular ports 15 and the second circular port 16, the front end of switch member 26 and switch knob 25 are linked, on switch knob 25 and rifle body, the latch of pin hole 34 use φ 3mm is fixed, upper release aperture 36 diameters of pikestaff are 1.2mm, for discharging the gas of the first circular port 15 and the second circular port 16 when the switching manipulation, under the thrust of spring 35, the first hole 27 of switch member front end and the second hole 28 and rifle body the first gas transport hole 13 and first liquid transmission hole 14 are blocked, when pulling while compressing switch spanner 25, at switch member 26 extrusion springs 35, the first hole 27 and second hole 28 of switch member 26 front ends are communicated with the first gas transport hole 13 and first liquid transmission hole 14 respectively, gas-liquid respectively the first hole 27 by switch member 26 front ends and the second hole 28 and in pipeline by arriving atomizer 20, atomizer 20 is made up of the nozzle boss 21 by external screw thread M24, nozzle 23 and the gland 22 by internal thread M24, atomizer 23 is packed in nozzle boss 21, by gland 22 and nozzle boss 21 screw thread rotation compressions.Nozzle 23 is that one end is a hemispheroidal cylinder, and the butt end middle part of cylinder is dark 12mm, the hole 38 of φ 4mm, and on hemisphere, symmetry is opened 4 φ 1.2mm through holes 39, and one end of through hole 39 and hole 38 communicate, and between through hole 39 and nozzle 23 axis, have 45 ° of angles.Under the thrust of spring 35, the first hole 27 of switch member front end and the second hole 28 and rifle body the first gas transport hole 13 and first liquid transmission hole 14 are blocked, when pulling while compressing switch spanner 25, at switch member 26 extrusion springs 35, the first hole 27 and second hole 28 of switch member 26 front ends are communicated with the first gas transport hole 13 and first liquid transmission hole 14 respectively, gas-liquid the first hole 27 by switch member 26 front ends and the second hole 28 and enter in hole 38 and mix by arriving atomizer 20 in pipeline respectively, sprays atomization fire extinguishing agent from through hole 39.
It is 150mm by a diameter that extinguishing chemical is supplied with bag 2, thick 3mm, the fire-extinguishing bottle 41 that the withstand voltage rigid body material of high about 250mm is made and the annex of upper installation composition thereof.Fire-extinguishing bottle 41 bottoms are that a diameter is 150mm hemisphere 55, and fire-extinguishing bottle 41 peripheries, bottoms are 150mm with a diameter, and the cylinder 56 of high 80mm connects, for being steadily positioned over plane.Fire-extinguishing bottle 41 upper ends are the thick 4mm of being, the rigid body lid 50 use M5 bolts 51 of diameter 150mm are fixedly connected with fire-extinguishing bottle 41, on lid 50, being welded with diameter is first interface 42 and second interface 43 of 6mm through hole, the first switch 44 and gas pressure control valve 57 that first interface 42 connects controlled pressure gas connect, the pressed gas appendix 3 that the first switch 44 is 6mm with diameter is connected, second switch 45 and fluid pressure control valve 58 that the second interface 43 connects controlled pressure water connect, and the liquid input tube 4 that second switch 45 is 6mm with diameter is connected; Pressed gas appendix 3 is connected and robs pressed gas is provided to fire extinguishing with the gas access port 11 of fire gun; Liquid input tube 4 is connected and robs pressure fluid extinguishing chemical is provided to fire extinguishing with the liquid incoming port 12 of fire gun; A diameter 144mm is installed at fire-extinguishing bottle 41 middle parts, 2mm is thick at middle part, the piston type gas-liquid dividing plate 48 of the wide 3mm of the high 10mm in edge, for separating the pressed gas on top and the water of bottom, it is wide that the periphery of piston type gas-liquid dividing plate 48 has 2mm, the first annular groove that 1mm is dark and the second annular groove, equal mounting O-shaped rings in two annular grooves, for the sealing between G&W, under the effect of fire-extinguishing bottle 41 upper pressure gases, piston type gas-liquid dividing plate 48 moves down feedwater pressurization; It is 8mm that external diameter is installed at piston type gas-liquid dividing plate 48 middle parts, internal diameter is the water flowing pipe fitting 49 of 6mm, the first flexible pipe 53 that water flowing pipe fitting 49 upper ends are 6mm with external diameter connects the second interface 43, water flowing pipe fitting 49 lower end connecting external diameters are 6mm the second flexible pipe 54, on the wall of the second flexible pipe 54, both sides are installed with the aperture of dozens of φ 1.5mm from top to bottom symmetrically, in the time that piston 48 moves up and down along fire-extinguishing bottle 41 inwalls, the liquid extinguisher in fire-extinguishing bottle 41 can be from aperture enters the second flexible pipe 53 arrival the second interface 43.The Compressed Gas of fire-extinguishing bottle 41 internal upper parts arrives the gas access port 11 of fire gun by first interface 42 and second switch 45 and pressed gas appendix 3, provide pressed gas to fire gun.
In the present embodiment, using water as extinguishing chemical, compressed nitrogen is as pressure gas source and auxiliary extinguishing chemical.Add the water of 1 liter as extinguishing chemical to fire-extinguishing bottle 41 by the second interface 43, add the nitrogen of 3MPa pressure to fire-extinguishing bottle 41 by first interface 42.Water under the effect of the nitrogen of pressure in fire-extinguishing bottle 41 has also had 3MPa pressure.
When use, first open the first switch 44 and second switch 45 in extinguishing chemical voltage supply bag 2, be adjusted to Pressure gauge 61 and show suitable pressure, regulation pressure-limiting valve 62 to Pressure gauge 63 shows suitable pressure (as 8 bar pressures), pressure nitrogen gas in extinguishing chemical bottle 41 and extinguishing chemical, respectively through the second interface 43 and first interface 42, pressed gas appendix 3 and liquid input tube 4 are to gas access port 11 and the liquid incoming port 12 of the fire gun body 1 of fire gun, enter respectively the first gas transport hole 13 and the first liquid transmission hole 14 of the fire gun body 1 of fire gun, be that trigger is while opening in switch member 26, pressed gas and extinguishing chemical are by the first hole 27 of switch member 26 front ends, the second hole 28, after the second gas transport hole 17 and second liquid transmission hole 18, arrive again shower nozzle and enter the ejection of the spray orifice from nozzle behind gas-liquid mixed chamber simultaneously, produce range in 2～4m thin water smoke field far away.
This portable two-fluid ejecting extinguishing rifle, range is 2-4m, easy to use, flexible, clean and effective, the indoor outer incipient fire that goes out is all very effective.Be specially adapted to put out the small size incipient fire in room, the incipient fire in kitchen, and put out early stage automobile fire.
Embodiment 2:
The present embodiment 2 is a kind of take formula pulsation type jetting fire extinguishing gun than embodiment 1 and have large-size, can be used for putting out compared with conflagration.The structure of fire gun is identical with the structure of the fire gun of embodiment 1.
Extinguishing chemical source of supply in the present embodiment, and pressed gas source of supply is provided by extinguishing chemical voltage supply bag 2.Extinguishing chemical voltage supply bag 2 comprises an extinguishing chemical bottle with larger pressure and volume, and the pressure cylinder port of export is connected with pressure-regulating valve and Pressure gauge, and is connected with liquid incoming port 12 with the gas access port 11 of fire gun 1 by withstand voltage transfer tube.This relatively large two-fluid ejecting extinguishing rifle, range can reach 4-6m, all very effective to open air fire extinguishing.Can be used for putting out larger area fire, as oil storage tank fire, automobile fire, ship fire and building fire.
Claims (3)
1. two-fluid sprays a fine mist fire-fighting rifle, it is characterized in that supplying with bag (2), pressed gas input pipe (3) and liquid input tube (4) by fire gun body (1) and gas-liquid connects and composes, fire gun body (1) is the firm plastid of a handgun shape, below pikestaff, left and right has gas access port (11) and liquid incoming port (12) side by side, is connected to gas-liquid supplies with bag (2) with pressed gas input pipe (3) and liquid input tube (4), in fire gun body handle, have the first gas transport hole (13) and first liquid transmission hole (14), fire gun body top has the second gas transport hole (17) and second liquid transmission hole (18), wherein the first gas transport hole (13) and the second gas transport hole (17) communicate, first liquid transmission hole (14) and second liquid transmission hole (18) communicate, there are gas vent (30) and liquid outlet (31) in the termination of the second gas transport hole (17) and second liquid transmission hole (18), fire gun body (1) is connected with atomizer seat (21), by upper the first hole of atomizer seat (21) (32) and the second hole (33) with bolt by atomizer seat (21) and fire gun body (1) fixed-link, porose gas transport part (29) and fluid transport part (29) in the middle of inserting respectively between gas vent (30) and liquid outlet (31) and atomizer seat (21), gas-liquid is arrived to shower nozzle, the upper release aperture (36) of pikestaff is for discharging the gas of the first circular port (15) and the second circular port (16) when the switching manipulation, have the first circular port (15) and the second circular port (16) in the front, top of pikestaff, in the first circular port (15) and the second circular port (16), spring (35) is housed, the first circular port (15) and the first gas transport hole (13) communicate, the second circular port (16) and first liquid transmission hole (14) communicate, plug-in mounting switch member (26) in the first circular port (15) and the second circular port (16), for the break-make of control piper gas-liquid, switch member (26) front end has the first hole (27) and the second hole (28), switch member (26) bottom is inserted in the first circular port (15) and the second circular port (16), the front end of switch member (26) and switch knob (25) are linked, on switch knob (25) and rifle body, pin hole (34) is fixed with latch, under the thrust of spring (35), first hole (27) of switch member front end and the second hole (28) and the first gas transport hole (13) and first liquid transmission hole (14) are blocked, in the time pulling the spanner that compresses switch (25), at switch member (26) extrusion spring (35), the first hole (27) and the second hole (28) of switch member (26) front end are communicated with the first gas transport hole (13) and first liquid transmission hole (14) respectively, gas-liquid respectively the first hole (27) by switch member (26) front end and the second hole (28) and in pipeline by arrival atomizer (20), the agent of ejection atomization fire extinguishing, atomizer (20), by having externally threaded nozzle boss (21), nozzle (23) and female gland (22) to form, packs nozzle (23) in nozzle boss (21) into, by the screw thread rotation compression of gland (22) and nozzle boss (21), nozzle (23) is that one end is a hemispheroidal cylinder, cylindrical butt end middle part is hole (38), on hemisphere, symmetry is opened 4 through holes (39), and one end of through hole (39) and hole (38) communicate, and between the axis of through hole (39) and the axis of nozzle (23), has certain angle.
2. a kind of two-fluid according to claim 1 sprays fine mist fire-fighting rifle, it is characterized in that, gas-liquid is supplied with bag (2) and is comprised the fire-extinguishing bottle (41) that a withstand voltage rigid body material is made, fire-extinguishing bottle (41) bottom is a hemisphere (55), fire-extinguishing bottle (41) bottom is peripheral with a cylinder (56) connection, for being steadily positioned over plane, the rigid body lid (50) of fire-extinguishing bottle (41) upper end is fixedly connected with fire-extinguishing bottle (41) with bolt (51), on lid (50), be welded with first interface (42) and second interface (43) of through hole, first interface (42) connects the first switch (44) and first pressure-regulating valve (57) of controlled pressure gas, the first switch (44) is connected with pressed gas input pipe (3), the second interface (43) connects second switch (45) and second pressure-regulating valve (58) of controlled pressure liquid extinguisher, second switch (45) is connected with liquid input tube (4), pressed gas input pipe (3) is connected and robs pressed gas is provided to fire extinguishing with the gas access port (11) of fire gun, liquid input tube (4) is connected and robs pressure fluid extinguishing chemical is provided to fire extinguishing with the liquid incoming port (12) of fire gun, a piston type gas-liquid dividing plate (48) is installed at fire-extinguishing bottle (41) middle part, for separating the pressed gas on top and the liquid extinguisher of bottom, the periphery of piston type gas-liquid dividing plate (48) has the first annular groove and the second annular groove, equal mounting O-shaped rings in two annular grooves, for the sealing between gas and liquid extinguisher, under the effect of fire-extinguishing bottle (41) upper pressure gas, piston type gas-liquid dividing plate (48) moves down to liquid extinguisher and pressurizes, water flowing pipe fitting (49) is installed at piston type gas-liquid dividing plate (48) middle part, water flowing pipe fitting (49) for upper end the first flexible pipe (53) be connected with the second interface (43), water flowing pipe fitting (49) lower end connects the second flexible pipe (54), on the wall of the second flexible pipe (54), both sides are installed with dozens of aperture from top to bottom symmetrically, in the time that piston type gas-liquid dividing plate (48) moves up and down along fire-extinguishing bottle (41) inwall, the liquid extinguisher in fire-extinguishing bottle (41) can arrive the second interface (43) from aperture enters the first flexible pipe (53), the Compressed Gas of fire-extinguishing bottle (41) internal upper part arrives the gas access port (11) of fire gun successively by first interface (42), the first pressure-regulating valve (57) and pressed gas input pipe (3), provide pressed gas to fire gun.
3. a kind of two-fluid according to claim 2 sprays fine mist fire-fighting rifle, it is characterized in that, when use, first opens gas-liquid and supplies with the first switch (44) and the second switch (45) in bag (2); Liquid extinguisher in extinguishing chemical bottle 41 and pressed gas, gas access port (11) and liquid incoming port (12) through pressed gas appendix (3) and liquid input tube (4) to the fire gun body (1) of fire gun, be trigger while opening in switch member (26), liquid extinguisher and gas arrive respectively gas-liquid mixed chamber (38) forms the thin water smoke that can suppress with knock down the flame from thin water fog applicator ejection after mixing; In the time unclamping trigger, under the elastic force effect of two springs, switch member (26) is moved forward, open with the first gas transport hole (13) and first liquid transmission hole (14) blocking-up respectively first hole (27) of switch member (26) front end and the second hole (28), has blocked the path of gas and liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109208.2U CN203750073U (en) | 2014-03-11 | 2014-03-11 | Two-fluid jet fine water mist fire gun |
Applications Claiming Priority (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845833A (en) * | 2014-03-11 | 2014-06-11 | 中国科学技术大学 | Double-fluid jet water mist fire gun |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845833A (en) * | 2014-03-11 | 2014-06-11 | 中国科学技术大学 | Double-fluid jet water mist fire gun |
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