CN102179019B - Portable clean gas extinguisher - Google Patents
Portable clean gas extinguisher Download PDFInfo
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- CN102179019B CN102179019B CN2011101156390A CN201110115639A CN102179019B CN 102179019 B CN102179019 B CN 102179019B CN 2011101156390 A CN2011101156390 A CN 2011101156390A CN 201110115639 A CN201110115639 A CN 201110115639A CN 102179019 B CN102179019 B CN 102179019B
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- Prior art keywords
- extinguishing chemical
- fixed plate
- cylindric
- extinguishing agent
- head assembly
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- 239000007789 gas Substances 0.000 claims abstract description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims description 87
- FFTOUVYEKNGDCM-OWOJBTEDSA-N (e)-1,3,3-trifluoroprop-1-ene Chemical compound F\C=C\C(F)F FFTOUVYEKNGDCM-OWOJBTEDSA-N 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 18
- 230000000295 complement effect Effects 0.000 claims description 7
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000000889 atomisation Methods 0.000 abstract description 3
- QKBKGNDTLQFSEU-UHFFFAOYSA-N 2-bromo-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C(Br)=C QKBKGNDTLQFSEU-UHFFFAOYSA-N 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N anhydrous n-heptane Natural products CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000012886 Vertigo Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- ABEYIXWZRMBGCM-UHFFFAOYSA-N [C].[F].[Br] Chemical compound [C].[F].[Br] ABEYIXWZRMBGCM-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a portable clean gas extinguisher, which is characterized in that a extinguishing agent storage tank is filled with 2-bromo-3,3,3-trifluoropropene and 1.1-2.2 MPa nitrogen; the storage tank is hermetically connected with an extinguisher head assembly, wherein the extinguisher head assembly consists of a handle, a pressure grip, a screw pin, a pressure rod, a sealing plate at the bottom of the pressure rod, a spring under the pressure rod, an extinguishing agent inlet pipe orifice, an outlet passage and an outlet pipe orifice; the extinguishing agent inlet pipe orifice is connected with the upper port of an extinguishing agent suction pipe, wherein the lower port of the extinguishing agent suction pipe extends to be close to the bottom of the extinguishing agent storage tank; one end of a spraying hose is connected with an extinguishing agent outlet pipe, while the other end of the spraying hose is connected with a sprayer; the sprayer is composed of a tapered outer cover and a cylindrical inner core; and a plurality of atomizing nozzles are arranged on the front end of the cylindrical inner core. In the invention, an adopted extinguishing agent is environment-friendly, the components of the extinguisher can be manually dismounted and mounted so as to be convenient to reuse; the sprayer has a good atomization effect, the spraying distance is long, the cover area is large and the extinguishing efficiency is high; and the portable clean gas extinguisher is applicable to fire protection of precision instruments and equipment, library and archives, and vessel or aircraft cabins.
Description
Technical field
The invention belongs to the gas fire extinguisher technical field, be specifically related to be applicable to 2-bromo-3,3, the portable clean gas fire extinguisher that cylindric atomizing core shower nozzle is housed of 3-trifluoro propene (BTP) extinguishing chemical.
Background technology
The portable gas fire extinguisher because of its conveniently moving, simple to operate, fire-fighting efficiency is higher, extinguishing chemical is non-conductive, the noresidue of fire extinguishing back, advantages such as the instrument and equipment of fire-extinguishing location is pollution-free is widely used in the fire protection in multiple places such as instrument and equipment chamber, computer floor, book and file chamber, aircraft or warship cabin.Portable gas fire extinguisher commonly used mainly contains and breathes out imperial 1301 fire extinguishers, breathes out imperial 1211 fire extinguishers and carbon dioxide extinguisher; Though its Sino-Kazakhstan dragon 1301 and 1211 fire extinguishings are efficient; But owing to contain chlorine or bromine etc. in the extinguishing chemical that is adopted atmospheric ozone layer is had the element of destruction, use has been under an embargo.Though carbon dioxide extinguisher is cheap, raw material obtains conveniently, because of its extinguishing chemical carbon-dioxide fire engine volumetric concentration is high, the people is had smothering action; And the carbon dioxide of liquefaction temperature when spraying sharply descends, and can cause damage to precision instrument.Existing HFC-236fa fire extinguisher not only costs an arm and a leg, and its fire-fighting efficiency is lower than breathes out dragon 1301, and can produce a large amount of pernicious gas hydrogen fluoride during the HFC-236fa fire extinguishing, can cause precision instrument and equipment and damage and life threatening.In addition, because the existing employed extinguishing chemical of these portable fire extinguishers, as to breathe out dragon, carbon dioxide and HFC-236fa etc. all be low boiling, high-volatile gas; Be stored in the fire extinguisher after pressurized liquefied; Open valve during use, pressure reduces, and extinguishing chemical can gasify rapidly; Permeate fast the fire extinguishing space; So corresponding fire extinguisher shower nozzle only need have simple hole, does not need special tectonic, but the shower nozzle of this fire extinguisher for be liquid at normal temperatures, boiling point is higher, volatility is relatively poor extinguishing chemical is also inapplicable.In addition, these employed extinguishing chemicals of fire extinguisher commonly used are pressurized liquefied gas, and it is reinforced again through professional pressurized equipment after extinguishing chemical has sprayed, must to deliver to fire-fighting producer, can't be on-the-spot directly reinforced, be not easy to reuse.
The clean gas extinguishing chemical that though 2-bromo-3,3,3-trifluoro propene (being labeled as BTP) are a kind of fire-fighting efficiencies high (its fire extinguishing volumetric concentration is merely 2.6%); But because it is liquid (boiling point is 34 ℃) at normal temperatures and pressures, volatility is relatively poor, when using conventional portable gas fire extinguisher; What eject is fluid column; Extinguishing chemical can not can not give full play to the fire-fighting efficiency of extinguishing chemical by quick vaporization, thereby and is not suitable for conventional portable gas fire extinguisher.
Summary of the invention
The purpose of this invention is to provide a kind of fire extinguishing efficient, be applicable to 2-bromo-3,3, the portable clean gas fire extinguisher that cylindric atomizing core shower nozzle is housed of 3-trifluoro propene (BTP) extinguishing chemical.
The portable clean gas fire extinguisher of the present invention; Comprise the device head assembly 2 that is connected with the Jar opening sealer of extinguishing chemical storage tank 1; Extinguishing chemical passage 28 from extinguishing chemical entrance sleeve mouth 27 to extinguishing chemical discharge connection mouth 29 is arranged in this device head assembly 2; The port that extinguishing chemical entrance sleeve mouth 27 and end opening reach near the extinguishing chemical suction pipe 3 of extinguishing chemical storage tank 1 bottom is connected, and extinguishing chemical discharge connection mouth 29 is connected to shower nozzle 5 through jet hose 4; Extinguishing chemical passage 28 in the said device head assembly 2 is provided with and depression bar 24 lower ends junction seal sheets 25; The upper end of depression bar 24 is fixed on pressure handle lever 22 middle parts; The rotating shaft end of pressure handle lever 22 is fixed on the device head assembly 2 with spiral pin 23; The diaphragm seal of depression bar 24 bottoms is equipped with spring 26 25 times so that pressure handle lever 22 diaphragm seal 25 is with extinguishing chemical passage 28 sealing when releasing orientation, and diaphragm seal 25 makes extinguishing chemical passage 28 open-minded when pressure handle lever 22 depressed state; It is characterized in that: the root rear end of shower nozzle 5 is provided with and the be complementary extinguishing chemical passage 62 of the screw thread that is connected 51 and hollow of jet hose 4; The front end of the shower nozzle 5 roots outside is fixedly connected with the back, and to stretch 8-10 centimetre, maximum gauge before little greatly forward be 6-8 centimetre horn-like outer cover 52; Being connected with external diameter in the middle of the shower nozzle 5 root front ends is 3-4 centimetre, highly is the cylindrical hollow inner core 53 of the 1/3-1/2 of horn-like outer cover height; Said hollow inner core 53 is made up of the nozzle fixed plate 54 of hollow shell 55 and front end thereof, and the plate external screw thread 56A that takes between nozzle fixed plate 54 and the hollow shell 55 on the internal and external circumference edge to be provided with respectively cooperatively interacts to link with ghost internal thread 56B and fixes; Dig between the last bottom surface of nozzle fixed plate 54 and be no less than 3 cylindrical cavities 59 equally distributed, that diameter is a bit larger tham cylindric atomizing core 61; The upper bottom surface 56 of nozzle fixed plate 54 has the spray orifice 58 that the aperture is the 0.5-2 millimeter corresponding to the center of each cylindrical cavity 59; Connect transition with the conical surface 60 between the corresponding spray orifice 58 of each cylindrical cavity 59, a cylindric atomizing core 61 is housed in each hole 59 of nozzle fixed plate 54 with it; The front central of this cylindric atomizing core 61 has an infundibulate groove 63, and the first half 64 of groove 63 is the cylinder inner wall 64 of interior diameter 2-4 millimeter, high 2-4 millimeter, and the bottom 65 of groove 63 is the taper shape of high 1-2 millimeter; The cylindric atomizing core 61 front ends outside be the outer low annular ramp 66 of lining height, has on this ramp 66 that to be no less than the width that 3 limit circles with infundibulate groove 63 are the tangential direction stretching, extension be that 0.2-0.6 millimeter, the degree of depth are the skewed slot 67 of 0.1-0.3 millimeter; The bottom of cylindric atomizing core 61 is fixed on the base plate 68; This base plate 68 cuts away the scarce 70 back formation of both sides circle for quilt is symmetrical; Have on its two ends lateral surface with nozzle fixed plate 54 in the external screw thread 69A that is complementary of the hole internal thread 69B of cylindrical cavity 59 so that cylindric atomizing core 61 is affixed in the cylindrical cavity 59 of nozzle fixed head 54; When cylindric atomizing core 61 spinnings are gone in the cylindrical cavity 59 of nozzle fixed plate 54, annular ramp 66 and the spray orifice 58 on the nozzle fixed plate 54 and the conical surface 60 between the cylindrical cavity 59 around its anterior infundibulate groove 63 are fitted each other;
Preferably fill 2-bromo-3,3 in the said extinguishing chemical storage tank 1,3-trifluoro propene (BTP), and fill the nitrogen of 1.1-2.2M Pa.
The portable clean gas fire extinguisher of the present invention also can fill perfluor hexanone extinguishing chemical.
Also handle 21 can be housed on the said device head assembly 2.
During use, press pressure handle 22, the depression bar 24 under the pressure handle receive the downward force effect with diaphragm seal 25 to lower compression spring 26 and extinguishing chemical exit passageway 28 is opened; Earlier through jet hose 4, the hollow extinguishing chemical passage 62 bottom the tubaeform shower nozzle of process enters into hollow shell 55 to extinguishing chemical again under the effect of pressure, again through being cut away the circle scarce 70 of dual-side formation and the slit between the cylindrical cavity 59 on the nozzle fixed plate 54 by symmetry on the atomizing core base plate 68; Lateral surface along atomizing stem stem body 61; Through skewed slot 67, enter into the groove 63 of atomizing in-core portion, form the pressure eddy flow; Outwards spray through the spray orifice 58 on the upper bottom surface 56 of nozzle fixed plate 54 then; Make 2-bromo-3,3 thereby reach, the purpose that 3-trifluoro propene extinguishing chemical fully atomizes and gasifies; Adopt tubaeform shower nozzle that the extinguishing chemical of ejection is concentrated and be oriented in certain target zone, minimizing extinguishing chemical droplet too spreads and causes waste; When unclamping pressure handle, the resilient pressure of spring 26 makes diaphragm seal with the sealing of extinguishing chemical exit passageway, and injection stops.
The BTP extinguishing chemical that is preferably filled in the portable clean gas fire extinguisher of the present invention storage tank is a kind of new and effective clean gas extinguishing chemical, and the fire extinguishing volumetric concentration is merely 2.6%, and fire-fighting efficiency is higher than breathes out dragon 1301; BTP ozone depletion value and greenhouse effects value all are zero, and atmospheric lifetime is merely 3 days, and is environmentally friendly.The BTP boiling point is 34 ℃, is liquid at normal temperatures, sprays the rapid volatilization in back and becomes gas, can not damage sensitive electronic components owing to temperature decrease; The BTP molecule is nontoxic non-conductive; Contain two keys in the molecule; Halogen atom quantity is few, and the decomposes product is mainly fluorine bromine carbon compound, and content of acid gas is low; To instrument and equipment not damaged almost, can be widely used in the fire protection in multiple places such as computer floor, precision instrument and equipment chamber, book and file shop, cabin, aircraft naval vessel.Common gas extinguishing agent must carry out pressurized liquefied just can being filled in the fire extinguisher tank later because be gas at normal temperatures, and this just needs the pressurized liquefied equipment of specialty carry out pressurized liquefied to gas extinguishing agent; Therefore the portable fire extinguisher of the present invention can directly be filled in the fire extinguisher because the extinguishing chemical BTP that adopts is liquid at normal temperatures, does not need special charging (feeding) equipment; Because adopt the inflated with nitrogen pressurization, needed nitrogen pressure generally is not higher than 1.2MPa, adopts common common nitrogen cylinder just can carry out the scene easily and directly repeats to feed in raw material, and has strengthened the portability of fire extinguisher.Because the portable fire extinguisher of the present invention has adopted the pressure atomization shower nozzle; And fill the nitrogen that absolute pressure is 1.1-2.2MPa; Jet length is reached more than 5 meters, overcome the short deficiency of existing clean gas fire extinguishing device jet distance, effectively guarantee operating personnel's safety.The portable fire extinguisher of the present invention also has simple in structure, and manufacture difficulty is little, the advantage that the cost cost is low.The portable clean gas fire extinguisher of BTP (2-bromo-3,3, the 3-trifluoro propene) extinguishing chemical that use the present invention preferably fills can extinguish polytype fire such as category-A solid fire, category-B liquid fire, C class gas fire and K class edible oil fire fast.
In addition; The portable fire extinguisher of the present invention is owing to adopted screw thread that flexible pipe is linked to each other with shower nozzle; Can carry out fast quick-detach and assembling to shower nozzle and flexible pipe through simple manual mode, make things convenient for the extinguishing chemical scene directly to repeat to feed in raw material with pressurising, help re-using of fire extinguisher; Fire extinguisher can manually clean each junction completely knocked down after finishing using, and helps protecting fire extinguisher to be corroded less, prolongs its service life.
Description of drawings
Fig. 1 is the general structure sketch map of the portable clean gas fire extinguisher of the present invention.
Fig. 2 is the structural representation of the tubaeform shower nozzle in the fire extinguisher of the present invention;
Fig. 3 is the structural representation of the nozzle fixed plate of shower nozzle inner core front end;
Fig. 4 is the structural representation of the hollow shell of shower nozzle inner core;
Fig. 5 is the front view of the nozzle fixed plate upper bottom surface of shower nozzle;
Fig. 6 is the structural representation of atomizing core;
Fig. 7 is that the atomizing core is installed to the structural representation in the hole of nozzle fixed plate;
Fig. 8 is the front view of the nozzle fixed plate bottom surface of shower nozzle.
The specific embodiment
Embodiment 1:
Fig. 1 has provided the general structure generalized section of the portable clean gas fire extinguisher of the present invention.The portable clean gas fire extinguisher of the present invention; Comprise the device head assembly 2 that is connected with the Jar opening sealer of extinguishing chemical storage tank 1; Extinguishing chemical passage 28 from extinguishing chemical entrance sleeve mouth 27 to extinguishing chemical discharge connection mouth 29 is arranged in this device head assembly 2; The port that extinguishing chemical entrance sleeve mouth 27 and end opening reach near the extinguishing chemical suction pipe 3 of extinguishing chemical storage tank 1 bottom is connected, and extinguishing chemical discharge connection mouth 29 is connected to shower nozzle 5 through jet hose 4; Extinguishing chemical passage 28 in the said device head assembly 2 is provided with and depression bar 24 lower ends junction seal sheets 25; The upper end of depression bar 24 is fixed on pressure handle lever 22 middle parts; The rotating shaft end of pressure handle lever 22 is fixed on the device head assembly 2 with spiral pin 23; The diaphragm seal of depression bar 24 bottoms is equipped with spring 26 25 times so that pressure handle lever 22 diaphragm seal 25 is with extinguishing chemical passage 28 sealing when releasing orientation, and diaphragm seal 25 makes extinguishing chemical passage 28 open-minded when pressure handle lever 22 depressed state;
Fig. 2 has provided the structural representation of shower nozzle: the root rear end of shower nozzle 5 is provided with and the be complementary extinguishing chemical passage 62 of the screw thread that is connected 51 and hollow of jet hose 4; The front end of the shower nozzle 5 roots outside is fixedly connected with the back, and to stretch 8-10 centimetre, maximum gauge before little greatly forward be 6-8 centimetre horn-like outer cover 52; Being connected with external diameter in the middle of the shower nozzle 5 root front ends is 3-4 centimetre, highly is the cylindrical hollow inner core 53 of the 1/3-1/2 of horn-like outer cover height; Said hollow inner core 53 is made up of the nozzle fixed plate 54 of hollow shell 55 and front end thereof, and the plate external screw thread 56A that takes between nozzle fixed plate 54 and the hollow shell 55 on the internal and external circumference edge to be provided with respectively cooperatively interacts to link with ghost internal thread 56B and fixes;
Fig. 3 and 4 has provided the structural representation of nozzle fixed plate 54 and hollow shell 55: dig between the last bottom surface of nozzle fixed plate 54 and be no less than 3 cylindrical cavities 59 equally distributed, that diameter is a bit larger tham cylindric atomizing core 61; The upper bottom surface 56 of nozzle fixed plate 54 has the spray orifice 58 that the aperture is the 0.5-2 millimeter corresponding to the center of each cylindrical cavity 59; Connect transition with the conical surface 60 between the corresponding spray orifice 58 of each cylindrical cavity 59, a cylindric atomizing core 61 is housed in each hole 59 of nozzle fixed plate 54 with it;
Fig. 5 is the front view that the upper bottom surface 54 of nozzle fixed head is housed; Fig. 6 is the structural representation of shower nozzle atomizing core; Fig. 7 is that the atomizing core is installed to the structural representation in the hole of nozzle fixed head, and Fig. 8 is the front view of bottom surface 57 that the nozzle fixed plate 54 of atomizing core is housed.
The front central of said cylindric atomizing core 61 has an infundibulate groove 63, and the first half of groove 63 is the cylinder inner wall 64 of interior diameter 2-4 millimeter, high 2-4 millimeter, and the bottom 65 of groove 63 is the taper shape of high 1-2 millimeter; The cylindric atomizing core 61 front ends outside be the outer low annular ramp 66 of lining height, has on this ramp 66 that to be no less than the width that 3 limit circles with infundibulate groove 63 are the tangential direction stretching, extension be that 0.2-0.6 millimeter, the degree of depth are the skewed slot 67 of 0.1-0.3 millimeter; The bottom of cylindric atomizing core 61 is fixed on the base plate 68; This base plate 68 for cut away by symmetry the both sides circle lack have on that 70 backs form, the two ends lateral surface with nozzle fixed plate 54 in the external screw thread 69A that is complementary of the hole internal thread 69B of cylindrical cavity 59 so that cylindric atomizing core 61 is affixed in the cylindrical cavity 59 of nozzle fixed head 54; When cylindric atomizing core 61 spinnings are gone in the cylindrical cavity 59 of nozzle fixed plate 54, annular ramp 66 and the spray orifice 58 on the nozzle fixed plate 54 and the conical surface 60 between the cylindrical cavity 59 around its anterior infundibulate groove 63 are fitted each other.On the device head assembly 2 of fire extinguisher handle 21 is housed also in the present embodiment.
During the assembling shower nozzle; Utilize earlier on atomizing core 61 its base plate 68 two ends lateral surfaces with nozzle fixed plate 54 in the external screw thread 69A that is complementary of the hole internal thread 69B of cylindrical cavity 59; Cylindric atomizing core 61 is screwed in the cylindrical cavity 59 that is fixed on nozzle fixed plate 54, annular ramp 66 and the spray orifice 58 on the nozzle fixed plate 54 and the conical surface 60 between the cylindrical cavity 59 around its anterior infundibulate groove 63 are fitted each other; Utilize between nozzle fixed plate 54 and the hollow shell 55 the plate external screw thread 56A that on the internal and external circumference edge, is provided with respectively with ghost internal thread 56B nozzle fixed plate 54 and hollow shell 55 to be cooperatively interacted to link again and fix, shower nozzle is an assembled.
Before the use, in the extinguishing chemical storage tank 1 of the portable clean gas fire extinguisher of the present invention, fill extinguishing chemical in advance, and filled the nitrogen that absolute pressure is 1.1-2.2MPa; Extinguishing chemical in the portable clean gas fire extinguisher of present embodiment preferably fills 2-bromo-3,3, and the 3-trifluoro propene also can fill other common gas extinguishing agents, like the perfluor hexanone.Can extinguishing chemical be added in the extinguishing chemical storage tank 1 in the ratio of filling weight≤80% tank volume; Then extinguishing chemical suction pipe 3 is screwed on the extinguishing chemical entrance sleeve mouth 27 on the device head assembly 2; Again device head assembly 2 is connected on the extinguishing chemical storage tank 1 through sealing thread; Through on the extinguishing chemical discharge connection mouth 29 that is threaded onto device head assembly 2, the other end is connected in the outlet of high pressure nitrogen steel cylinder pressure-reducing valve, presses the pressure handle 22 on the device head assembly with an end of jet hose 4; Open the steel cylinder pressure-reducing valve, inflated with nitrogen is forced into predetermined 1.2MPa in the present embodiment; Unclamp pressure handle then, shower nozzle 5 is connected on the jet hose 4 again, fire extinguisher is an assembled.
During use, mention handle 21 on the other hand, another hand is picked up shower nozzle 5; Aim at the flame root, press pressure handle 22, the depression bar 24 under the pressure handle receive the downward force effect with diaphragm seal 25 to lower compression spring 26 and extinguishing chemical exit passageway 28 is opened; Extinguishing chemical in the storage tank is under the effect of the pressurized nitrogen that fills in advance, and earlier through jet hose 4, the hollow extinguishing chemical passage 62 bottom tubaeform shower nozzle enters into hollow shell 55; Again through being cut away the circle scarce 70 of dual-side formation and the slit between the cylindrical cavity 59 on the nozzle fixed plate 54 by symmetry on the atomizing core base plate 68, along the lateral surface of atomizing stem stem body 61, through skewed slot 67; Enter into the groove 63 of atomizing in-core portion, form the pressure eddy flow, outwards spray through the spray orifice 58 on the upper bottom surface 56 of nozzle fixed plate 54 then; Make 2-bromo-3 thereby reach; 3, the purpose that 3-trifluoro propene extinguishing chemical fully atomizes and gasifies, jet length can reach 5 meters; Adopt tubaeform shower nozzle that the extinguishing chemical of ejection is concentrated and be oriented in certain target zone, minimizing extinguishing chemical droplet too spreads and causes waste; When unclamping pressure handle, the resilient pressure of spring 26 makes diaphragm seal with the sealing of extinguishing chemical exit passageway, and injection stops.
After extinguishing chemical has sprayed,, again shower nozzle is unloaded from flexible pipe earlier with the whole emptyings of fire extinguisher internal pressure; Device head assembly 2 is backed out from extinguishing chemical storage tank 1, after the reinforced again pressurising of above-mentioned steps, again shower nozzle 5 is connected on the jet hose 4; Promptly reinforced filling finishes, and can come into operation again.
Because the 2-bromo-3 that preferably fills in the portable clean gas fire extinguisher of the present invention; 3,3-trifluoro propene (BTP) extinguishing chemical is liquid at normal temperatures, therefore can directly be filled in the fire extinguisher; Do not need special charging (feeding) equipment; Easy to use, can directly repeat to feed in raw material in the scene, strengthened the portability of fire extinguisher.The portable clean gas fire extinguisher of the BTP extinguishing chemical that use the present invention preferably fills can extinguish polytype fire such as category-A solid fire, category-B liquid fire, C class gas fire and K class edible oil fire fast.
The portable fire extinguisher of the present invention is because can be through being threaded between the parts such as shower nozzle, jet hose, device head assembly; Can carry out fast quick-detach and assembling to shower nozzle and flexible pipe through simple manual mode; Make things convenient for the extinguishing chemical scene directly to repeat reinforced and pressurising; Having overcome existing fire extinguisher must dismantle the deficiency that fills again through professional equipment, helps re-using of fire extinguisher, has further promoted the portability of fire extinguisher.
Fire extinguisher can clean the back and preserve manually with the critical piece 1-5 and the completely knocked downs such as the atomizing core in the shower nozzle, nozzle fixed head and hollow shell of each junction after finishing using, and assembles according to accompanying drawing 1-8 during use again.This helps protecting fire extinguisher to be corroded less, prolongs its service life.
Because the portable fire extinguisher of the present invention has adopted the pressure atomization shower nozzle; And fill the nitrogen that absolute pressure is 1.1-2.2MPa; Jet length is reached more than 5 meters, overcome the short deficiency of existing clean gas fire extinguishing device jet distance, effectively guarantee operating personnel's safety.
The portable fire extinguisher of the present invention also has simple in structure, and manufacture difficulty is little, the advantage that the cost cost is low.
Result of use is given an example:
Below be to adopt some concrete results of use of the portable clean gas fire extinguisher of the present invention to enumerate:
A. use the 3.0kg of being equipped with 2-bromo-3,3 of the present invention, the portable fire extinguisher of the 3-trifluoro propene gasoline fire of putting out a fire to save life and property
Under the environmental condition of 25 ℃ of room temperatures, with 3.00kg2-bromo-3,3, the 3-trifluoro propene is filled in the portable fire extinguisher tank that volume is 3.0L, adopts nitrogen pressure to 1.2MPa.Diameter is the water that adds 4.4L in the circular food tray of 0.72m, adds the gasoline of 8.6L again, and with the 2-bromo-3,3 of 3.0kg, 3-trifluoro propene fire extinguisher sprays the food tray fire pre-burning after 30 seconds, and attack time is 4 seconds.
B. use the 6.0kg of being equipped with 2-bromo-3,3 of the present invention, the portable fire extinguisher of the 3-trifluoro propene heptane fire of putting out a fire to save life and property
Under the environmental condition of 0 ℃ of room temperature, with 6.0kg2-bromo-3,3, the 3-trifluoro propene is filled in the portable fire extinguisher tank that volume is 6.0L, adopts nitrogen pressure to 1.2MPa.Diameter is the water that adds 7.0L in the circular food tray of 0.92m, adds the heptane of 14.0L again, and with the 2-bromo-3,3 of 6.0kg, 3-trifluoro propene fire extinguisher sprays the food tray fire pre-burning after 30 seconds, and attack time is 6 seconds.
C. use the 6.0kg of being equipped with 2-bromo-3,3 of the present invention, the portable fire extinguisher of the 3-trifluoro propene grillage fire of putting out a fire to save life and property
Under the environmental condition of 25 ℃ of room temperatures, with 6.0kg 2-bromo-3,3, the 3-trifluoro propene is filled in the portable fire extinguisher tank that volume is 6.0L, adopts nitrogen pressure to 1.2MPa.After lighting 1A wood and stamp fire according to the standard of GB4531-1997, pre-burning is after 2 minutes, and with the 2-bromo-3,3 of 6.0kg, 3-trifluoro propene fire extinguisher sprays the grillage fire, and attack time is 8 seconds, no resume combustion phenomenon.
D. use the portable fire extinguisher of the 3.0kg of the being equipped with perfluor hexanone of the present invention gasoline fire of putting out a fire to save life and property
Under the environmental condition of 25 ℃ of room temperatures, 3.00kg perfluor hexanone is filled in the portable fire extinguisher tank that volume is 3.0L, adopt nitrogen pressure to 1.2MPa.Diameter is the water that adds 4.0L in the circular food tray of 0.57m, adds the gasoline of 4L again, and pre-burning was sprayed the perfluor hexanone fire extinguisher of 3.0kg after 30 seconds to the food tray fire, and attack time is 8 seconds.
Claims (2)
1. portable clean gas fire extinguisher; Comprise the device head assembly (2) that is connected with the Jar opening sealer of extinguishing chemical storage tank (1); Extinguishing chemical passage (28) from extinguishing chemical entrance sleeve mouth (27) to extinguishing chemical discharge connection mouth (29) is arranged in this device head assembly (2); The port that extinguishing chemical entrance sleeve mouth (27) and end opening reach near the extinguishing chemical suction pipe (3) of extinguishing chemical storage tank (1) bottom is connected, and extinguishing chemical discharge connection mouth (29) is connected to shower nozzle (5) through jet hose (4); Extinguishing chemical passage (28) in the said device head assembly (2) is provided with and depression bar (24) lower ends junction seal sheet (25); The upper end of depression bar (24) is fixed on pressure handle lever (22) middle part; The rotating shaft end of pressure handle lever (22) is fixed on the device head assembly (2) with spiral pin (23); Be equipped with spring (26) under the diaphragm seal (25) of depression bar (24) bottom; So that pressure handle lever (22) diaphragm seal (25) is with extinguishing chemical passage (28) sealing when releasing orientation, and diaphragm seal (25) makes extinguishing chemical passage (28) open-minded when pressure handle lever (22) depressed state; It is characterized in that: the root rear end of shower nozzle (5) is provided with and jet hose (4) the be complementary screw thread (51) that is connected and the extinguishing chemical passage (62) of hollow; The front end of shower nozzle (5) the root outside is fixedly connected with the back, and to stretch 8-10 centimetre, maximum gauge before little greatly forward be 6-8 centimetre horn-like outer cover (52); Being connected with external diameter in the middle of shower nozzle (5) the root front end is 3-4 centimetre, highly is the cylindrical hollow inner core (53) of the 1/3-1/2 of horn-like outer cover height; Said hollow inner core (53) is made up of the nozzle fixed plate (54) of hollow shell (55) and front end thereof, the plate external screw thread of taking between nozzle fixed plate (54) and the hollow shell (55) on the internal and external circumference edge to be provided with respectively (56A) and ghost internal thread (56B) cooperatively interact link fixing; Dig between the last bottom surface of nozzle fixed plate (54) and be no less than 3 cylindrical cavities (59) equally distributed, that diameter is a bit larger tham cylindric atomizing core (61); The upper bottom surface (56) of nozzle fixed plate (54) has the spray orifice that the aperture is the 0.5-2 millimeter (58) corresponding to the center of each cylindrical cavity (59); Connect transition with the conical surface (60) between the corresponding spray orifice of each cylindrical cavity (59) (58), in each hole (59) of nozzle fixed plate (54) a cylindric atomizing core (61) is housed with it; The front central of this cylindric atomizing core (61) has an infundibulate groove (63), and the first half (64) of groove (63) is the cylinder inner wall (64) of interior diameter 2-4 millimeter, high 2-4 millimeter, and the bottom (65) of groove (63) is the taper shape of high 1-2 millimeter; Cylindric atomizing core (61) the front end outside be the outer low annular ramp (66) of lining height, has on this ramp (66) that to be no less than the width that 3 limit circles with infundibulate groove (63) are the tangential direction stretching, extension be that 0.2-0.6 millimeter, the degree of depth are the skewed slot (67) of 0.1-0.3 millimeter; The bottom of cylindric atomizing core (61) is fixed on the base plate (68); This base plate (68) is to be cut away the both sides circle by symmetry to lack the formation of (70) back; Have on its two ends lateral surface with nozzle fixed plate (54) in the external screw thread (69A) that is complementary of the hole internal thread (69B) of cylindrical cavity (59) so that cylindric atomizing core (61) is affixed in the cylindrical cavity (59) of nozzle fixed plate (54); When cylindric atomizing core (61) spinning is gone in the cylindrical cavity (59) of nozzle fixed plate (54), make its anterior infundibulate groove (63) annular ramp (66) on every side and the mutual applying of the spray orifice (58) on the nozzle fixed plate (54) and the conical surface (60) between the cylindrical cavity (59); Fill 2-bromo-3,3 in the said extinguishing chemical storage tank (1), 3-trifluoro propene extinguishing chemical or perfluor hexanone extinguishing chemical, and fill the nitrogen of 1.1-2.2MPa.
2. portable clean gas fire extinguisher as claimed in claim 1 is characterised in that handle (21) is housed on the said device head assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101156390A CN102179019B (en) | 2011-05-05 | 2011-05-05 | Portable clean gas extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101156390A CN102179019B (en) | 2011-05-05 | 2011-05-05 | Portable clean gas extinguisher |
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| CN102179019A CN102179019A (en) | 2011-09-14 |
| CN102179019B true CN102179019B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101156390A Expired - Fee Related CN102179019B (en) | 2011-05-05 | 2011-05-05 | Portable clean gas extinguisher |
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| US8877988B2 (en) | 2012-12-21 | 2014-11-04 | Honeywell International Inc. | Synthesis of 1-BROM0-3,3,3-trifluoropropene |
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| CN114078304A (en) * | 2020-08-10 | 2022-02-22 | 盐城线尚天使科技企业孵化器有限公司 | Fire control intelligence warning communication device with shower nozzle |
| CN113533419B (en) * | 2021-07-09 | 2022-07-15 | 中国科学技术大学 | Preparation, filling and discharging integrated device for gas-solid composite fire extinguishing agent |
| CN116459484A (en) * | 2023-03-21 | 2023-07-21 | 广西电网有限责任公司防城港供电局 | Fire extinguishing agent composition, preparation method of fire extinguishing composition and fire extinguishing device |
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| US20060283608A1 (en) * | 2005-06-16 | 2006-12-21 | Hauck Curt A | Fire extinguisher activating a remote alarm |
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| CN101186556A (en) * | 2007-12-07 | 2008-05-28 | 启东海四达化工有限公司 | Method for producing 2-bromo-3,3,3-trifluoropropene and use thereof |
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| CN102179019A (en) | 2011-09-14 |
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