CN102626544B - Efficient simple fire extinguisher - Google Patents
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- CN102626544B CN102626544B CN201210127452.7A CN201210127452A CN102626544B CN 102626544 B CN102626544 B CN 102626544B CN 201210127452 A CN201210127452 A CN 201210127452A CN 102626544 B CN102626544 B CN 102626544B
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Abstract
The invention relates to a fire extinguisher, in particular to an efficient simple fire extinguisher, which comprises a cover (10), a safety pin (12), a pressing plate (13), a support seat (14), a nozzle, a sealed cup (16), a tank body (17) and a bag body assembly (18). Compressed air is filled in the tank body (17), and the sealed cup (16) is installed on an opening of the tank body (17). An atomizer (15) is connected on the sealed cup (16) in a complete sealing mode. A liquid fire extinguishing agent packaging bag is connected below the sealed cup (16) in a complete sealing mode. The atomizer (15) of the efficient simple fire extinguisher has the advantages of being far in firing range and wide in jet range. The bag body assembly (18) comprises a bag (183), and pull grain is processed on the inner surface of the bag so that the fire extinguisher can jet in any state within 360 degrees, bonding of the inner surface is avoided during a usage process of the bag (183), and a fire extinguishing agent can be utilized with the largest efficiency.
Description
Technical field
The present invention relates to fire extinguisher, in particular to a kind of high-efficient simple formula fire extinguisher.
Background technology
China occurs again and again because of the fire event that causes casualties every year, thereby has also brought huge economic loss.The Fire-Fighting Bureau under the Ministry of Public Security announces national fire condition in 2011 a few days ago.2011, be informed of a case altogether 125402 of fire of the whole nation, dead 1106 people, injured 572 people, 18.8 hundred million yuan of direct property loss, compared with 2010, fire number declines 5.4%, and death toll declines 8.2%, and number of injured people declines 8.3%, loss declines 4.1%, does not occur once that dead 30 people are above, 100,000,000 yuan of above especially big malignant fire accidents of direct property loss.Wherein, the festive occasion fire causing of setting off fireworks increases, and the little place fire such as construction site, agricultural avocation production and rental house, " three-in-one ", individual workship, small shop are more, and electricity consumption still accounts for larger specific gravity with the fire of fire initiation.For this reason, the effect of fire extinguisher will be called the problem of concern.
Conventional fire extinguisher divides three kinds at present.The first is gas fire extinguisher.Gas fire extinguisher divides again two kinds, and the one, the fire extinguisher that the alkyl halide (breathing out dragon) of take is base-material, namely what is often called 1211,1301 fire extinguishers; The 2nd, carbon dioxide extinguisher.The second is dry powder extinguisher.Divide again BC dry powder and ABC dry powder extinguisher.The third is water-type extinguisher.In China, mainly contain highly effective flame-retardant water series fire-extinguisher.
The advantage of haloalkane fire extinguisher be good extinguishing effect, the scope of application extensively, clean leaving no trace during fire extinguishing.During the eighties, the application of China's alkyl halide enters the period of full bloom.But limited by international convention due to alkyl halide heavy damage atmospheric ozone layer.
Carbon dioxide is to put out a fire by reducing comburant oxygen concentration around.Carbon dioxide, containing damaging the ozone layer consume material, does not leave no trace after fire extinguishing, has electrical insulating property, can use by low temperature.Be specially adapted to not allow after the fire extinguishings such as historical relic, document information use in the place of any secondary pollution and vestige.Carbon dioxide is a kind of moderately toxic gas.When reaching 7-9%, the aerial concentration of carbon dioxide can cause expiratory dyspnea, vomiting, stolidity; When concentration reaches 10%, people stops one minute in this environment, can lose consciousness.And actual local concentration while using carbon dioxide extinguisher fire extinguishing substantially exceeds this concentration, easily cause Personal Risk.
Dry powder extinguisher only considers that standard and standard are good fire products.But conscientiously study the actual conditions of scene of fire, in view of the suffocative dust pollution of dry powder extinguisher, sequelae that jet length is near and serious can draw, use dry powder extinguisher (comprising ABC dry powder) conclusion more harm than good.
The efficient and environment-friendly type extinguishing chemical of the efficient flame-retarding agent Shi You Ministry of Public Security fire science Research Institute filling in highly effective flame-retardant water series fire-extinguisher, concrete environment protection clean; Anti-resume combustion ability, moderate cost; Jet length is far away, extinguishing grade is high; Charged fire can go out; Be valid up to 3 years, without the annual medicament of changing.
But it is not high to the utilization rate of extinguishing chemical that highly effective flame-retardant water series fire-extinguisher of the prior art exists, the problem that spray regime is narrow.
The binary packaging plain type extinguisher that for example patent No. is 200620151812.7, although the air in liquid extinguisher and tank body is separated, liquid extinguisher is stored in the metastable packaging bag of chemical property, this fire extinguisher can be inverted injection when spraying, can 360 ° free positions spray, but thereby the inner membrance of its packaging bag when extinguishing chemical use amount is less is easily bonded together and has hindered extruding of extinguishing chemical; In addition, it is narrow that the nozzle exit of this fire extinguisher is provided with the scope that cross and suction hole spray.
Summary of the invention
Present inventor is for the defect of above-mentioned conventional art, by the effective solution of the special proposition of the application.
The object of the invention is to, a kind of high-efficient simple formula fire extinguisher is dedicated to generation, and patented power in accordance with the law.According to high-efficient simple formula fire extinguisher of the present invention, can overcome above-mentioned deficiency of the prior art, increase work efficiency, extinguishing chemical can obtain the utilization of maximal efficiency.
In order to realize foregoing invention object, the invention provides a kind of high-efficient simple formula fire extinguisher, this fire extinguisher comprises lid, safety plug, pressing plate, supporting seat, shower nozzle, opening sealing cup, tank body and bag assembly, in described tank body, is filled with compressed air, on tank body mouth, opening sealing cup is housed; Shower nozzle is completely tightly connected on opening sealing cup; Liquid extinguisher bag assembly is completely tightly connected under opening sealing cup; Pressing plate, it is placed in shower nozzle top by supporting seat, and safety plug is installed on pressing plate.
Preferably, in described tank body, be filled with compressed air, on tank body mouth, opening sealing cup be housed, liquid extinguisher bag assembly is completely tightly connected under opening sealing cup.Compressed air in liquid extinguisher and tank body is separated, liquid extinguisher is stored in the metastable bag of chemical property, can keep liquid extinguisher long-term stability, extended service life of fire extinguisher, therefore this packing is referred to as two-component packaging.
Adopt two-component packaging technology, can guarantee that fire extinguisher in use can 360 ° of arbitrarily angled injections; In any time that fire extinguisher sprays completely, the electric current between nozzle and the earth and the earth and fire extinguisher is less than the electric insulation effect that 0.5mA reaches injection water.
Preferably, the compressed air in described liquid extinguisher and tank body is separated, and has avoided the corrosion of extinguishing chemical to inner tank wall; Bag in tank body is received uniform extruding force, and fire extinguisher in use extinguishing chemical can eject uniformly.
Preferably, described shower nozzle is atomizer, and longer at the injecting time of extinguishing chemical that identical weight is housed, spray regime is larger.
Preferably, described atomizer links together by testing mouth joint and testing gonys seat.
Preferably, described atomizer is comprised of nozzle, rotor and joint, and rotor number is 4, is evenly distributed in joint.
Preferably, have two helicla flutes on described rotor, the lead angle of this rotor is 55 °-65 °.
Preferably, on the endoporus of described nozzle, be processed with screw thread, joint external diameter is processed with screw thread.After nozzle is together with joint rotating connection, rotor will liquid extinguisher promotion under rotate, thereby form vaporific extinguishing chemical.
When the liquid extinguisher of high pressure is extruded to the atomization chamber of shower nozzle inside, liquid is flowed through from the helicla flute of atomization chamber internal rotor, make rotor produce High Rotation Speed, make liquid when the spray-hole bottom atomization chamber penetrates, produce atomizing effect, the liquid of atomization can be bonded on burned object, and then reaching fire-retardant effect, atomized liquid has good insulation effect simultaneously.
Preferably, between described nozzle and joint, adopt matched in clearance, and the screw thread place of screwing scribbles fluid sealant.Adopting matched in clearance to guarantee to be connected between nozzle and joint not can tension and damage, and also can liquid extinguisher be spilt because crossing loose.
Preferably, valve rod, sealing gasket, sealing ring and spring are installed in described opening sealing cup, spring fitting, on spring base, and has cruciformity slotted eye in this spring base.
Preferably, valve rod lower end is cross axis body, and cross axis body matches with the cruciformity slotted eye in spring base; Stem lower portion has a circular hole near cross frame end.
When the safety plug on pressing plate is pulled out, spring will recover nature, spring in the process of bounce-back by valve rod jack-up, thereby make the cross axis body of valve rod depart from the cross slotted eye in spring base.In the slotted eye of spring base, enter air, in bag, will produce pressure differential.Compressed air extruding bag in tank body, thus the liquid extinguisher in bag is expressed in shower nozzle along siphon pipe.
When fire extinguisher quits work, by lower platen, the cross axis body in valve rod is pressed in the cruciformity slotted eye in spring base, safety plug is inserted in the insurance pin-and-hole on pressing plate, liquid extinguisher will can not be extruded from bag like this.
Preferably, described bag assembly is comprised of bag mouth, siphon pipe and bag, and siphon pipe middle part has an one-sided circular hole.This hole has guaranteed that liquid extinguisher is constantly extruded, and will make jet length far away.
Preferably, adopt the compressed air in liquid extinguisher and tank body to be separated, bag is Medical blood bag.Fire extinguisher can 360 ° of free positions spray.
Preferably, described bag is Medical blood bag, and material is PVC, and inner surface is processed with vertical striped equably.Adopt Medical blood bag, material is PVC, and Medical blood bag has good flexibility, cold resistance, under the environment that is-40 ℃, can not harden in temperature; Inner face be processed with equably vertical striped for fear of when liquid fire extinguishing dosage is less bag inner face be bonded together, thereby maximum utilize liquid extinguisher.
Preferably, bonding by high frequency heat seal between described bag and siphon pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail, wherein:
Figure 1 shows that according to the structural representation of a preferred embodiment of high-efficient simple formula fire extinguisher of the present invention;
Fig. 2 is the structural representation of the safety plug in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Fig. 3 is the structural representation of bag assembly in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Fig. 4 is the enlarged drawing of bag in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 3;
Fig. 5 is the structure chart of bag mouth in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 3;
Fig. 6 is the half sectional view of opening sealing cup in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Fig. 7 is the be hit by a bullet structure chart of spring abutment of the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 6;
Fig. 8 is the front view of valve rod in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 6;
Fig. 9 is the side view of valve rod in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 6;
Figure 10 is the cutaway view of sealing ring in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 6;
Figure 11 is opening sealing cup outer casing construction drawing in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 6;
Figure 12 tests gonys seat cutaway view in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Figure 13 tests mouth joint cutaway view in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Figure 14 is the cutaway view of nozzle structure in the embodiment of high-efficient simple formula fire extinguisher of the present invention shown in Fig. 1;
Figure 15 is the front view of the embodiment rotor of high-efficient simple formula fire extinguisher of the present invention shown in Figure 14;
Figure 16 is the side view of the embodiment rotor of high-efficient simple formula fire extinguisher of the present invention shown in Figure 14.
Figure labeling description: lid 10, safety plug 12, pressing plate 13, supporting seat 14, atomizer 15, nozzle 151, rotor 152, joint 153, opening sealing cup 16, valve rod 161, shell 162, sealing gasket 163, sealing ring 164, spring 165, spring base 166, tank body 17, bag assembly 18, bag mouth 181, siphon pipe 182, bag 183, tests gonys seat 20, tests mouth joint 21.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail.
Consult Fig. 1, it shows according to the structural representation of the high-efficient simple formula fire extinguisher of invention.This fire extinguisher is comprised of lid 10, safety plug 12, pressing plate 13, supporting seat 14, shower nozzle, opening sealing cup 16, tank body 17, bag assembly 18.In described tank body 17, be filled with compressed air, on 17 mouthfuls of tank bodies, opening sealing cup 16 be housed; Atomizer 15 is completely tightly connected on described opening sealing cup 16; The described opening sealing cup liquid extinguisher bag assembly 18 that is tightly connected completely for 16 times.The atomizer 15 of this fire extinguisher has far firing range, the wide feature of spray regime; Bag assembly 18 comprises that an inner surface is processed with the bag 183 that draws line, so both guaranteed that this fire extinguisher can 360 ° outside free positions spray, and avoided in use inner face generation of bag 183 bonding, extinguishing chemical can maximal efficiency utilization, experimental results show that surplus ratio≤8% of extinguishing chemical in final bag 183.
In tank body 17, be filled with compressed air, liquid extinguisher fills in bag 183, so just the compressed air in liquid extinguisher and tank body 17 is separated, therefore this packing is referred to as two-component packaging.
Why adopt two-component packaging technology, can guarantee that on the one hand fire extinguisher in use can 360 ° of arbitrarily angled injections; On the other hand, in any time that fire extinguisher sprays completely, the electric current between shower nozzle 15 and the earth and the earth and fire extinguisher is less than the electric insulation effect that 0.5mA reaches injection water.
As shown in Figure 2, Figure 3 and Figure 4, in described tank body 17, be filled with compressed air, on 17 mouthfuls of tank bodies, opening sealing cup 16 be housed; Shower nozzle 15 is completely tightly connected on opening sealing cup 16; The opening sealing cup liquid extinguisher bag assembly 18 that is tightly connected completely for 16 times; Pressing plate 13, it is placed in shower nozzle 15 tops by supporting seat 14, and safety plug 12 is installed on pressing plate 13.
The bottom of safety plug 12 is with fixture block, fire extinguisher in the process of carrying safety plug 12 can be because of vibration self falling; Temperature for the serviceability temperature of 60 ℃ of-20 ℃ of ∽ under safety plug 12 tripping forces be not more than 20N.
In tank body 17, be filled with compressed air, on 17 mouthfuls of tank bodies, opening sealing cup 16 be housed, the opening sealing cup liquid extinguisher bag assembly 18 that is tightly connected completely for 16 times.Compressed air in liquid extinguisher and tank body 17 is separated, liquid extinguisher is stored in the metastable bag of chemical property, can keep liquid extinguisher long-term stability, extended service life of fire extinguisher.
Bag assembly 18 is comprised of bag mouth 181, siphon pipe 182 and bag 183, and siphon pipe 182 middle parts have an one-sided circular hole.This hole has guaranteed that liquid extinguisher is constantly extruded, and will make jet length far away.
Bag 183 can be Medical blood bag, and material is PVC, and bag 183 inner faces of the present invention are processed with vertical striped.Certainly we do not get rid of other shape striped yet, as: triangle, tiltedly parallel lines, rhombus, V font, L shaped etc.Adopt Medical blood bag, material is PVC, and Medical blood bag has good flexibility, cold resistance and anti-explosion, under the environment that is-40 ℃, can not harden in temperature; Inner face be processed with equably vertical striped for fear of when liquid fire extinguishing dosage is less bag inner face be bonded together, thereby maximum utilize liquid extinguisher.The operating pressure that experimental results show that bag 183 is 0.77MPa, and the pressure of the distortion can bear itself is 1.3 MPa, and burst pressure is 1.8 MPa, and the pressure that bag 183 can bear is as can be seen here far longer than operating pressure, and security is higher.
Consult shown in Fig. 6-11 below, when breaking out of fire, back out lid 10, the safety plug on pressing plate 13 12 is extracted, spring 165 will recover nature, spring 165 in the process of bounce-back by valve rod 161 jack-up, thereby make the cross axis body of valve rod 161 depart from the cross slotted eye in spring base 166.In the slotted eye of spring base 166, enter air, in bag 183, will produce pressure differential.Compressed air extruding bag 183 in tank body 17, thus the liquid extinguisher in bag 183 is expressed in shower nozzle 15 along siphon pipe 182.
When fire extinguisher quits work, by lower platen 13, the cross axis body in valve rod 161 is pressed in the cruciformity slotted eye in spring base 166, in the insurance pin-and-hole that safety plug 12 is inserted on pressing plate 13, liquid extinguisher will can not be extruded from bag like this.
Valve rod 161 lower ends are cross axis body, and cross axis body matches with the cruciformity slotted eye in spring base 166; Valve rod 161 bottoms have a circular hole near cross frame end.
Continue to consult shown in Fig. 3 and Fig. 4, bag assembly 18 is comprised of bag mouth 181, siphon pipe 182 and bag 183, and siphon pipe 182 middle parts have an one-sided circular hole.Bag 183 is Medical blood bag, and material is PVC, and inner surface is processed with vertical striped equably.Bonding by high frequency heat seal between bag 183 and siphon pipe 182.
Next consult shown in Figure 12-15, atomizer 15 links together by testing mouth joint 21 and testing gonys seat 20.
Atomizer 15 is comprised of nozzle 151, rotor 152 and joint 153, and rotor 152 numbers are 4, are evenly distributed in joint 153.Certainly we also can need increase or reduce according to practice the number of rotor, can be 3 or 5 or 6 or 7 etc.
On rotor 152, have two helicla flutes, lead angle is 60 °.Certainly the number of degrees of spiral fluted width and lead angle can need to be set according to practice, water column can be broken up, and from shower nozzle 15, the liquid of ejection is vaporific.
When the liquid extinguisher of high pressure is extruded to the atomization chamber of shower nozzle 15 inside, liquid is flowed through from the helicla flute of atomization chamber internal rotor 152, make rotor 152 produce High Rotation Speed, make liquid when the spray-hole bottom atomization chamber penetrates, produce atomizing effect, the liquid of atomization can be bonded on burned object, and then reach fire-retardant effect, atomized liquid has good insulation effect simultaneously, the experiment proved that after the atomization of liquid at 36KV voltage 1M and only have 0.05mA apart from the electric current of atomized liquid, and international standard is 0.5mA, so the grade of electric insulation is very high.
On the endoporus of nozzle 151, be processed with screw thread, joint 153 external diameters are processed with screw thread.After nozzle 151 and joint 153 spin together, rotor 152 will liquid extinguisher promotion under rotate, liquid is flowed through from the helicla flute of atomization chamber internal rotor 152, makes rotor 152 produce High Rotation Speed, makes liquid when the spray-hole bottom atomization chamber penetrates, produce atomization.
On the endoporus of nozzle 151, be processed with screw thread, joint 153 external diameters are processed with screw thread.Between nozzle 151 and joint 153, adopt matched in clearance, and the screw thread place of screwing scribbles fluid sealant.Adopting matched in clearance to guarantee to be connected between nozzle 151 and joint 153 not can tension and damage, and also can liquid extinguisher be spilt because mistake is loose.
It should be noted that, according to the category of the technical scheme of high-efficient simple formula fire extinguisher of the present invention, comprise any combination between each part mentioned above.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (14)
1. high-efficient simple formula fire extinguisher, comprise lid (10), safety plug (12), pressing plate (13), supporting seat (14), shower nozzle, opening sealing cup (16), tank body (17) and bag assembly (18), described tank body is filled with compressed air in (17), on tank body (17) mouth, opening sealing cup (16) is housed; Shower nozzle is completely tightly connected on opening sealing cup (16);
Liquid extinguisher bag assembly (18) is completely tightly connected under opening sealing cup (16);
Pressing plate (13), it is placed in shower nozzle top by supporting seat (14), and safety plug (12) is installed on pressing plate (13);
It is characterized in that, described shower nozzle is an atomizer (15); Rotor (152) is housed in atomizer (15); Bag assembly (18) comprises that an inner surface is processed with the bag (183) that draws line; Bag (183) is Medical blood bag, and material is PVC, and inner surface is processed with vertical striped equably; The bottom of safety plug (12) is with fixture block.
2. high-efficient simple formula fire extinguisher as claimed in claim 1, is characterized in that: atomizer (15) links together by testing mouth joint (21) and testing gonys seat (20).
3. as the high-efficient simple formula fire extinguisher of claim 1 or 2, it is characterized in that: atomizer (15) is comprised of nozzle (151), rotor (152) and joint (153), rotor (152) number is 4, is evenly distributed in joint (153).
4. high-efficient simple formula fire extinguisher as claimed in claim 1, is characterized in that: on rotor (152), have two helicla flutes, lead angle is 60 °.
5. high-efficient simple formula fire extinguisher as claimed in claim 3, is characterized in that: on rotor (152), have two helicla flutes, lead angle is 60 °.
6. as the high-efficient simple formula fire extinguisher of claim 1 or 2, it is characterized in that: on the endoporus of nozzle (151), be processed with screw thread, joint (153) external diameter is processed with screw thread.
7. high-efficient simple formula fire extinguisher as claimed in claim 3, is characterized in that: on the endoporus of nozzle (151), be processed with screw thread, joint (153) external diameter is processed with screw thread.
8. as the high-efficient simple formula fire extinguisher of any one in claim 1 or 2 or 7, it is characterized in that: between nozzle (151) and joint (153), adopt matched in clearance, and the screw thread place of screwing scribbles fluid sealant.
9. high-efficient simple formula fire extinguisher as claimed in claim 3, is characterized in that: between nozzle (151) and joint (153), adopt matched in clearance, and the screw thread place of screwing scribbles fluid sealant.
10. high-efficient simple formula fire extinguisher as claimed in claim 6, is characterized in that: between nozzle (151) and joint (153), adopt matched in clearance, and the screw thread place of screwing scribbles fluid sealant.
11. high-efficient simple formula fire extinguishers as claimed in claim 1, it is characterized in that: valve rod (161), sealing gasket (163), sealing ring (164) and spring (165) are installed in opening sealing cup (16), it is upper that spring (165) is arranged on spring base (166), and have cruciformity slotted eye in spring base (166).
12. as the high-efficient simple formula fire extinguisher of claim 1 or 11, it is characterized in that: valve rod (161) lower end is cross axis body, and cross axis body matches with the cruciformity slotted eye in spring base (166); Valve rod (161) bottom has a circular hole near cross frame end.
13. high-efficient simple formula fire extinguishers as claimed in claim 1, is characterized in that: bag assembly (18) is comprised of bag mouth (181), siphon pipe (182) and bag (183), and siphon pipe (182) middle part has an one-sided circular hole.
14. as the high-efficient simple formula fire extinguisher of claim 1 or 13, it is characterized in that: bonding by high frequency heat seal between bag (183) and siphon pipe (182).
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| US9192798B2 (en) * | 2011-10-25 | 2015-11-24 | Kidde Technologies, Inc. | Automatic fire extinguishing system with gaseous and dry powder fire suppression agents |
| US9302128B2 (en) | 2011-10-25 | 2016-04-05 | Kidde Technologies, Inc. | Automatic fire extinguishing system with internal dip tube |
| US9463341B2 (en) | 2011-10-25 | 2016-10-11 | Kidde Technologies, Inc. | N2/CO2 fire extinguishing system propellant gas mixture |
| CN105169583A (en) * | 2015-08-03 | 2015-12-23 | 兰州空间技术物理研究所 | Fire extinguisher suitable for microgravity environment |
| CN105797887A (en) * | 2016-05-27 | 2016-07-27 | 广州丹绮环保科技有限公司 | Atomizing nozzle and atomizing equipment comprising same |
| CN110556720B (en) * | 2019-09-06 | 2020-12-18 | 成都理工智联科技有限公司 | Liftable weak current case and weak current well |
| CN111420329B (en) * | 2020-04-17 | 2021-07-27 | 江西圣得利橡胶有限公司 | Fire extinguisher capable of quickly extinguishing fire |
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| CN2553900Y (en) * | 2002-08-12 | 2003-06-04 | 李文健 | Pressure-storage spray tank with interal anticorrosive coating |
| CN201500401U (en) * | 2009-10-16 | 2010-06-09 | 上海百友得机械设备有限公司 | Fire extinguisher valve |
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| Publication number | Publication date |
|---|---|
| CN102626544A (en) | 2012-08-08 |
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