CN102019060B - Electronic ultrasonic spray nozzle-atomized water mist extinguishing apparatus and method - Google Patents
Electronic ultrasonic spray nozzle-atomized water mist extinguishing apparatus and method Download PDFInfo
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- CN102019060B CN102019060B CN2010105973911A CN201010597391A CN102019060B CN 102019060 B CN102019060 B CN 102019060B CN 2010105973911 A CN2010105973911 A CN 2010105973911A CN 201010597391 A CN201010597391 A CN 201010597391A CN 102019060 B CN102019060 B CN 102019060B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 239000007921 spray Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003595 mist Substances 0.000 title abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 142
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 71
- 239000000779 smoke Substances 0.000 claims description 44
- 238000005507 spraying Methods 0.000 claims description 33
- 239000000919 ceramic Substances 0.000 claims description 30
- 238000000889 atomisation Methods 0.000 claims description 23
- 230000010355 oscillation Effects 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 13
- 230000010358 mechanical oscillation Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 230000005514 two-phase flow Effects 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000037351 starvation Effects 0.000 description 2
- 229920004449 Halon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention provides an electronic ultrasonic spray nozzle-atomized water mist extinguishing apparatus and an electronic ultrasonic spray nozzle-atomized water mist extinguishing method. The device comprises an ultrasonic spray nozzle, a mist spray control device, a nitrogen supply device, a water supply system and a power supply system, wherein the ultrasonic spray nozzle, the mist spray control device and the power supply system are connected by signal wires in turn, and the power supply system is connected with a power supply system; the nitrogen supply device is connected with a gas supply pipe; the other end of the gas supply pipe passes through the mist spray control device to be connected with the ultrasonic spray nozzle; the water supply system is connected with a water supply pipe, and the other end of the water supply pipe passes through the mist spray control device to be connected with the ultrasonic spray nozzle; and the water supply system is connected with the power supply system through a water pump power supply wire. In the invention, the waste mist is formed by using ultrasonic wave technology without combining high-pressure pipe and system technology, the requirements of the extinguishing apparatus on high-pressure pipes and spray nozzles are lowered effectively, and the extinguishing apparatus has the advantages of convenient conveying, low cost and the like.
Description
Technical field
The present invention relates to Water Mist Fire Extinguishing Technique, particularly a kind of electronic ultrasonic nozzle atomization fine spray extinguisher and method.
Background technology
Along with progress of science and technology; Find that particularly halon extinguishing agent has after destruction and Montreal Protocol on Substances that Deplete the Ozone Layer in 1987 signature atmospheric ozone layer; Water Mist Fire Extinguishing Technique obtains the concern and the favor of all circles as breathing out one of main substitute technology of dragon, and Water Mist Fire Extinguishing Technique just obtained developing in the nineties in 20th century tremendously.
For the generating mode of thin water smoke, mainly contain heavy pressure fine spray, two kinds of technical application of the thin water smoke of two-phase flow at present to fire-fighting domain.Traditional atomizing type all has a common feature; Water source or source of the gas all need sufficiently high pressure or jet velocity just can reach the thin water smoke of required particle diameter; Therefore; The precision that existing fine spray extinguisher all need combine the conveying technology of pressure duct to use and water level is carried in the strict control of needs has defectives such as transportation inconvenience, water level required precision height, cost height.
Publication number is that the Chinese invention patent of CN 101229418A discloses a kind of ultrasonic atomizing fire extinguisher; This fire extinguisher has adopted the main body of common ultrasonic atomizer as atomizing, has limited applying of this fire extinguisher thereby this fire extinguisher mainly contains the limitation of two aspects, and this fire extinguisher need accurately be controlled the height of water level on the atomising head on the one hand; Thereby limited its mobility; On the other hand, if water smoke is transported to ignition point fast from water tank, can produce more serious bumping also in the process; Thereby be difficult to keep the distribution of its particle diameter, so the transportation problem of water smoke has also limited the application of this device.
And in the existing ultrasonic atomization technique; The general ultrasonic atomizer that adopts; Ultrasonic atomizer belongs to a kind of common immersion atomizing generating apparatus, need atomising head be immersed under the water surface during use, and on atomising head, keep certain water surface elevation; Atomising head directly feeds water the energy transmission of high frequency mechanical oscillation in the underwater; Thereby form fine water droplet in the high frequency cavitation, water droplet just forms thin water smoke after overflowing the water surface, and this technology has defectives such as water level required precision height, complex structure, use inconvenience.
Summary of the invention
The shortcoming that the objective of the invention is to overcome above-mentioned prior art is with not enough; A kind of electronic ultrasonic nozzle atomization fine spray extinguisher simple and reasonable for structure is provided; This device adopts ultrasonic nozzle to generate thin water smoke, need accurately not control the height of water level, on the other hand; Water smoke directly generates at the ultrasonic nozzle place, also greatly reduces the difficulty that water smoke is carried.
Another object of the present invention is to provide the electronic ultrasonic nozzle atomization thin water spray fire-extinguishing method of realizing by said apparatus.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of electronic ultrasonic nozzle atomization fine spray extinguisher; Comprise ultrasonic nozzle, spraying control device, nitrogen feedway, water system and electric power system; Said ultrasonic nozzle, spraying control device, electric power system connect through holding wire successively, and electric power system is connected with power supply; The nitrogen feedway is connected with steam line, and the other end of steam line passes the spraying control device and is connected with ultrasonic nozzle; Water system is connected with water supply line, and the other end of water supply line passes the spraying control device and is connected with ultrasonic nozzle; Water system is connected with electric power system through the water pump supply lines.Power supply is the accumulation power supply, can be directly connected on the working power of 220V to carry out work or charging, and also can be free of attachment to other power supplys independently is the extinguishing device power supply.
Whether the spraying control button that said spraying control device comprises housing and places enclosure interior on the holding wire that said spraying control button is located at electric power system is connected, carries out Long-distance Control through holding wire to spraying work; Said steam line, water supply line pass housing respectively and are connected with ultrasonic nozzle.
Said spraying control device also comprises the nitrogen by-pass valve control that places housing outer, and the nitrogen by-pass valve control is located on the steam line.The nitrogen by-pass valve control is machinery or electronics valve, and the conveying size of nitrogen is controlled.
Said ultrasonic nozzle comprises nozzle body and is arranged at the inner nozzle of nozzle body shake core and piezoelectric ceramic transducer; Said nozzle body inside is a cavity; The said nozzle core that shakes is connected with nozzle body end one, and nozzle shakes and is provided with nitrogen outlet between core and the nozzle body; The shake center of core of nozzle is provided with intake tunnel, and a port of intake tunnel is the water inlet that is connected with water supply line; Nozzle body is provided with channel of nitrogen, and channel of nitrogen and nozzle body internal cavities, nitrogen outlet are interconnected, and the air inlet of channel of nitrogen is connected with steam line; The said nozzle core that shakes is connected with piezoelectric ceramic transducer, and piezoelectric ceramic transducer is connected with holding wire.
Also be connected with fixed block on the said nozzle body inwall, also be provided with sealing gasket between fixed block and the piezoelectric ceramic transducer, fixed block and nozzle shake and also are provided with seal washer between the core.
Said nozzle body is being an atomizing face with the nozzle end face that core is connected of shaking; The atomizing face of described ultrasonic nozzle end is under the control of the higher-order of oscillation signal of telecommunication of electric power system; Can produce higher-order of oscillation effect, the water that order touches atomizing face forms thin water smoke under the higher-order of oscillation.
When flow of liquid during through ultrasonic nozzle, liquid can be atomized into fine drop at the exit surface of ultrasonic nozzle.
The exportable higher-order of oscillation electricity of electric power system model is to ultrasonic nozzle, and the frequency of this higher-order of oscillation signal of telecommunication can be set at the arbitrary frequency among 20kHz～3MHz.
Said nitrogen feedway comprises the nitrogen cylinder that nitrogen is housed, and nitrogen cylinder is connected with ultrasonic nozzle through steam line.
Described nitrogen is used to provide momentum to thin water smoke on the one hand, makes thin water smoke arrive at the fire extinguishing of ignition point position, and when nitrogen arrived the ignition point position with thin water smoke on the other hand, nitrogen is starvation to a certain extent, realizes the effect of fire smothering.
The water pump that said water system comprises water tank and places water tank, water pump is connected with ultrasonic nozzle through water supply line, and is connected with electric power system through the water pump supply lines.
Said water pump is fixed in water tank bottom.
Said holding wire is the multicore holding wire.
Said electric power system adopts the high frequency electric power system of prior art, can be ultrasonic nozzle the higher-order of oscillation signal of telecommunication is provided.
Near the electronic ultrasonic nozzle atomization thin water spray fire-extinguishing method of realizing by said apparatus: said electronic ultrasonic nozzle atomization fine spray extinguisher is moved to the ignition point; Press the spraying control button of spraying control device; Connect the electric power system power supply, electric power system is started working; On the one hand; Electric power system is passed through holding wire; The higher-order of oscillation signal of telecommunication is exported to the piezoelectric ceramic transducer of ultrasonic nozzle, and piezoelectric ceramic transducer produces the high frequency mechanical oscillation under the effect of the higher-order of oscillation signal of telecommunication, and simultaneously the high frequency mechanical oscillation is passed to the nozzle core that shakes; Nozzle shakes and is delivered to the atomizing face of ultrasonic nozzle after core is strengthened the high frequency mechanical oscillation, and therefore atomizing face begins high frequency and vibrate by a small margin; On the other hand; Electric power system is exported to the water pump in the water system through the water pump supply lines with DC current; Water pump is started working and the water in the water tank is pumped into the water inlet place of ultrasonic nozzle through water supply line; Water flows to the end of nozzle body through intake tunnel, after water touches the atomizing face of head of the ultrasonic nozzle that high frequency vibrates by a small margin, is atomized into the superfine water smoke of particle diameter at once; Open the valve of the nitrogen cylinder of nitrogen feedway then; Nitrogen in the nitrogen cylinder enters into the air inlet of the inner channel of nitrogen of ultrasonic nozzle through steam line; And keep certain momentum to blow out at the ultrasonic nozzle water smoke that the face place forms that atomizes; Make nitrogen and thin water smoke mix ejection and form fire extinguishing water smoke, at last the fire extinguishing water smoke of moulding is directly aimed at the flame at ignition point place, realize fire extinguishing.
Operation principle of the present invention: the present invention is a utilization electronics high frequency oscillation principle; Oscillating current through certain frequency on the piezoelectric ceramic transducer in ultrasonic nozzle; Produce the high-frequency electrical energy signal, the piezoelectric ceramic transducer in the ultrasonic nozzle is converted into ultrasonic mechanical oscillation (being ultrasonic wave) then, after this vibrating effect passes to liquid; Make in liquid internal generation cavitation; Under the high frequency cavitation of this liquid internal, a large amount of tiny drops are by the liquid level of dishing out, thereby form superfine water smoke.During use, water is transported to the ultrasonic nozzle place, and ultrasonic nozzle atomizes water into superfine water droplet under the effect of electric power system (higher-order of oscillation electric power system), this water droplet ignition point that under the effect of nitrogen, can go directly, thus carry out the fire-fighting work of thin water smoke.
Ultrasonic nozzle and ultrasonic atomizer are relatively; Ultrasonic nozzle is directly high frequency mechanical energy to be passed to nozzle head; After liquid is transported to nozzle head, be atomized at nozzle head immediately, mist is blown the thin water smoke that i.e. formation is easy to use under the effect of auxiliary gas.
Compared with prior art, the present invention has following advantage and beneficial effect:
1, the present invention adopts ultrasonic technology to realize the formation of its thin water smoke; Need not need to combine pressure duct and systems technology; Can reduce the requirement of extinguishing device effectively,, have and carry convenient, low cost and other advantages with heavy pressure fine spray, the thin water smoke compared with techniques of two-phase flow to pressure duct and nozzle.
2, the present invention adopts electronic ultrasonic atomization mechanism, can under gentle relatively situation, form superfine thin water smoke.
3, with existing ultrasonic atomizatio compared with techniques, the present invention can directly spray to ignition point after generating thin water smoke, has reduced the process that water smoke is carried, and what reduced greatly that water smoke occurs in course of conveying bumps and phenomenon.
4, with existing ultrasonic atomizatio compared with techniques; This device need not accurate water-level control apparatus; Same heavy pressure fine spray, the thin water smoke compared with techniques of two-phase flow; This device need not complicated pressue device, and these make this device have great advantage aspect the mobile fire extinguishing, can give full play to the initiatively advantage of fire extinguishing.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the structural representation of ultrasonic nozzle shown in Figure 1.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment
As shown in Figure 1; This electronic ultrasonic nozzle atomization fine spray extinguisher; Comprise ultrasonic nozzle 2, spraying control device 3, nitrogen feedway, water system and electric power system 7; Said ultrasonic nozzle 2, spraying control device 3, electric power system 7 connect through holding wire 6 successively, and electric power system 7 is connected with power supply 8; The nitrogen feedway is connected with steam line 4, and the other end of steam line 4 passes spraying control device 3 and is connected with ultrasonic nozzle 2; Water system is connected with water supply line 5, and the other end of water supply line 5 passes spraying control device 3 and is connected with ultrasonic nozzle 2; Water system is connected with electric power system 7 through water pump supply lines 9.Power supply 8 is the accumulation power supply, can be directly connected on the working power 8 of 220V to carry out work or charging, can be free of attachment to also that other power supplys 8 are independent supplies power for extinguishing device.
The spraying control button that said spraying control device 3 comprises housing and places enclosure interior, said spraying control button are located on the holding wire 6 that is connected with electric power system 7, whether carry out Long-distance Control through 6 pairs of spraying work of holding wire; Said steam line 4, water supply line 5 pass housing respectively and are connected with ultrasonic nozzle 2.
Said spraying control device 3 also comprises the nitrogen by-pass valve control that places housing outer, and the nitrogen by-pass valve control is located on the steam line 4.The nitrogen by-pass valve control is machinery or electronics valve, and the conveying size of nitrogen is controlled.
As shown in Figure 2; Said ultrasonic nozzle 2 comprises nozzle body and is arranged at the inner nozzle of nozzle body shake core 15, piezoelectric ceramic transducer; Piezoelectric ceramic transducer is two, is respectively piezoelectric ceramic transducer 16 and piezoelectric ceramic transducer 20, and said nozzle body inside is a cavity; The said nozzle core that shakes is connected with nozzle body end one, and nozzle shakes and is provided with nitrogen outlet 22 between core 15 and the nozzle body; The shake center of core of nozzle is provided with intake tunnel, and a port of intake tunnel is the water inlet 18 that is connected with water supply line; Nozzle body is provided with channel of nitrogen, and channel of nitrogen and nozzle body internal cavities, nitrogen outlet are interconnected, and the air inlet 19 of channel of nitrogen is connected with steam line 4; The said nozzle core 15 that shakes is connected with piezoelectric ceramic transducer 16, and the shake periphery of core 15 of nozzle is provided with a boss, and piezoelectric ceramic transducer 16 is connected in the end face of boss; Piezoelectric ceramic transducer 16 is connected with piezoelectric ceramic transducer 20, and piezoelectric ceramic transducer 20 is connected with holding wire 6, and then is connected with spraying control device 3, electric power system 7 through holding wire 6.
Also be connected with fixed block on the said nozzle body inwall, also be provided with sealing gasket 17 between fixed block and the piezoelectric ceramic transducer, fixed block and nozzle shake and also are provided with seal washer 21 between the core.
Said nozzle body is being an atomizing face 14 with the nozzle end face that core 15 is connected of shaking; The atomizing face 14 of described ultrasonic nozzle end is under the control of the higher-order of oscillation signal of telecommunication; Can produce higher-order of oscillation effect, the water that order touches atomizing face 14 forms thin water smoke under the higher-order of oscillation.
The electric power system 7 exportable higher-order of oscillation signals of telecommunication are to ultrasonic nozzle 2, and the frequency of this higher-order of oscillation signal of telecommunication can be set at the arbitrary frequency among 20kHz～3MHz.
Said nitrogen feedway comprises the nitrogen cylinder 12 that nitrogen is housed, and nitrogen cylinder 12 is connected with ultrasonic nozzle 2 through steam line 4.
Described nitrogen is used to provide momentum to thin water smoke on the one hand, makes thin water smoke arrive at the fire extinguishing of ignition point position, and when nitrogen arrived the ignition point position with thin water smoke on the other hand, nitrogen is starvation to a certain extent, realizes the effect of fire smothering.
The water pump 11 that said water system comprises water tank 10 and places water tank 10, water pump 11 is connected with ultrasonic nozzle 2 through water supply line 5, and is connected with electric power system 7 through water pump supply lines 9.
Said water pump 11 is fixed in water tank 10 bottoms.
Said holding wire 6 is a multicore holding wire 6.
Said electric power system 7 adopts the high frequency electric power system of prior art, can be ultrasonic nozzle the higher-order of oscillation signal of telecommunication is provided.
Near the electronic ultrasonic nozzle atomization thin water spray fire-extinguishing method of realizing by said apparatus: said electronic ultrasonic nozzle atomization fine spray extinguisher is moved to the ignition point; Press the spraying control button of spraying control device 3; Connect the electric power system power supply, electric power system 7 is started working; On the one hand; Electric power system 7 is through holding wire 6; The higher-order of oscillation signal of telecommunication is exported to the piezoelectric ceramic transducer 16 and piezoelectric ceramic transducer 20 of ultrasonic nozzle 2, piezoelectric ceramic transducer produces the high frequency mechanical oscillation under the effect of the higher-order of oscillation signal of telecommunication, and simultaneously the high frequency mechanical oscillation is passed to the nozzle core 15 that shakes; Nozzle shakes and is delivered to the atomizing face 14 of ultrasonic nozzle 2 after core 15 is strengthened the high frequency mechanical oscillation, and therefore atomizing face 14 begins high frequency and vibrate by a small margin; On the other hand; Electric power system 7 is exported to the water pump 11 in the water system through water pump supply lines 9 with DC current; Water pump 11 is started working and the water in the water tank 10 is pumped into water inlet 18 places of ultrasonic nozzle 2 through water supply line 5; Water flows to the end of nozzle body through intake tunnel, after water touches the atomizing face 14 of head of the ultrasonic nozzle 2 that high frequency vibrates by a small margin, is atomized into the superfine water smoke of particle diameter at once; Open the valve of the nitrogen cylinder of nitrogen feedway then; Nitrogen in the nitrogen cylinder enters into the air inlet 19 of ultrasonic nozzle 2 inner channel of nitrogen through steam line 4; And keep certain momentum to blow out at the ultrasonic nozzle water smoke that face 14 places form that atomizes; Make nitrogen and thin water smoke mix ejection and form fire extinguishing water smoke 1, at last the fire extinguishing water smoke 1 of moulding is directly aimed at the flame 13 at ignition point place, realize fire extinguishing.
Operation principle of the present invention: the present invention is a utilization electronics high frequency oscillation principle; Oscillating current through high frequency on piezoelectric ceramic transducer 16 in ultrasonic nozzle 2 and the piezoelectric ceramic transducer 20; Piezoelectric ceramic transducer is converted into ultrasonic mechanical oscillation (being ultrasonic wave), after this vibrating effect passes to liquid, makes liquid torn into to shreds minimum drop by high-frequency mechanical vibration; And the liquid level of being dished out, thereby near shower nozzle, form superfine water smoke.During use; Water is transported to ultrasonic nozzle 2 places; The atomizing face 14 of ultrasonic nozzle 2 atomizes water into superfine water droplet under the higher-order of oscillation action of electric signals that electric power system 7 produces, this water droplet flame 13 of ignition point that under the effect of nitrogen, can go directly, thus carry out the fire-fighting work of thin water smoke.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. electronic ultrasonic nozzle atomization fine spray extinguisher; It is characterized in that: comprise ultrasonic nozzle, spraying control device, nitrogen feedway, water system and electric power system; Said ultrasonic nozzle, spraying control device, electric power system connect through holding wire successively, and electric power system is connected with power supply; The nitrogen feedway is connected with steam line, and the other end of steam line passes the spraying control device and is connected with ultrasonic nozzle; Water system is connected with water supply line, and the other end of water supply line passes the spraying control device and is connected with ultrasonic nozzle; Water system is connected with electric power system through the water pump supply lines.
2. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 1 is characterized in that: the spraying control button that said spraying control device comprises housing and places enclosure interior, and said spraying control button is located on the said holding wire; Said steam line, water supply line pass housing respectively and are connected with ultrasonic nozzle.
3. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 2 is characterized in that: said spraying control device also comprises the nitrogen by-pass valve control that places housing outer, and the nitrogen by-pass valve control is located on the steam line.
4. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 2; It is characterized in that: said ultrasonic nozzle comprises nozzle body and is arranged at the inner nozzle of nozzle body shake core and piezoelectric ceramic transducer; Said nozzle body inside is a cavity; The said nozzle core that shakes is connected with the end one of nozzle body, and nozzle shakes and is provided with nitrogen outlet between core and the nozzle body; The shake center of core of nozzle is provided with intake tunnel, and a port of intake tunnel is the water inlet that is connected with water supply line; Nozzle body is provided with channel of nitrogen, and channel of nitrogen and nozzle body internal cavities, nitrogen outlet are interconnected, and the air inlet of channel of nitrogen is connected with steam line; The said nozzle core that shakes is connected with piezoelectric ceramic transducer, and piezoelectric ceramic transducer is connected with holding wire.
5. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 4; It is characterized in that: also be connected with fixed block on the said nozzle body inwall; Also be provided with sealing gasket between fixed block and the piezoelectric ceramic transducer, fixed block and nozzle shake and also are provided with seal washer between the core.
6. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 4 is characterized in that: said nitrogen feedway comprises the nitrogen cylinder that nitrogen is housed, and nitrogen cylinder is connected with ultrasonic nozzle through steam line.
7. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 6; It is characterized in that: the water pump that said water system comprises water tank and places water tank; Water pump is connected with ultrasonic nozzle through water supply line, and is connected with electric power system through the water pump supply lines.
8. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 7, it is characterized in that: said water pump is fixed in water tank bottom.
9. electronic ultrasonic nozzle atomization fine spray extinguisher according to claim 1 is characterized in that: said holding wire is the multicore holding wire.
10. the electronic ultrasonic nozzle atomization thin water spray fire-extinguishing method of realizing by the said device of claim 8; It is characterized in that: said electronic ultrasonic nozzle atomization fine spray extinguisher is moved near the ignition point; Press the spraying control button of spraying control device; Connect the electric power system power supply, electric power system is started working; On the one hand; Electric power system is passed through holding wire; The higher-order of oscillation signal of telecommunication is exported to the piezoelectric ceramic transducer of ultrasonic nozzle, and piezoelectric ceramic transducer produces the high frequency mechanical oscillation under the effect of the higher-order of oscillation signal of telecommunication, and simultaneously the high frequency mechanical oscillation is passed to the nozzle core that shakes; Nozzle shakes and is delivered to the atomizing face of ultrasonic nozzle after core is strengthened the high frequency mechanical oscillation, and therefore atomizing face begins dither; On the other hand; Electric power system is exported to the water pump in the water system through the water pump supply lines with DC current; Water pump is started working and the water in the water tank is pumped into the water inlet place of ultrasonic nozzle through water supply line; Water flows to the end of nozzle body through intake tunnel, after water touches the atomizing face of head of ultrasonic nozzle of dither, is atomized into the superfine water smoke of particle diameter at once; Open the valve of the nitrogen cylinder of nitrogen feedway then; Nitrogen in the nitrogen cylinder enters into the air inlet of the inner channel of nitrogen of ultrasonic nozzle through steam line; And keep certain momentum to blow out at the ultrasonic nozzle superfine water smoke of particle diameter that the face place is atomized that atomizes; Make nitrogen and thin water smoke mix ejection and form fire extinguishing water smoke, at last the fire extinguishing water smoke of moulding is directly aimed at the flame at ignition point place, realize fire extinguishing.
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| CN2010105973911A CN102019060B (en) | 2010-12-21 | 2010-12-21 | Electronic ultrasonic spray nozzle-atomized water mist extinguishing apparatus and method |
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| CN2010105973911A CN102019060B (en) | 2010-12-21 | 2010-12-21 | Electronic ultrasonic spray nozzle-atomized water mist extinguishing apparatus and method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102417081B (en) * | 2011-07-26 | 2015-01-07 | 四川威特龙消防设备有限公司 | External floating roof petroleum storage tank water mist safe protection system and protection method |
| CN104524724A (en) * | 2014-12-25 | 2015-04-22 | 李春龙 | Ultrasonic device with enhanced atomizing, spraying, fire-extinguishing and smoke-reducing functions on basis of electric-high-frequency vibration conversion |
| CN106139460B (en) * | 2016-06-21 | 2017-08-29 | 北京航空航天大学 | Aerodynamic force formula ultrasonic wave multiphase blender |
| CN108159615A (en) * | 2017-12-08 | 2018-06-15 | 浙江海洋大学 | Nitrogen and water mist mixed phase fire fighting test device |
| CN107754148A (en) * | 2017-12-08 | 2018-03-06 | 中国空气动力研究与发展中心高速空气动力研究所 | Supersonic jet fire extinguishing component and fire extinguisher |
| CN111184961A (en) * | 2020-02-19 | 2020-05-22 | 中国民用航空飞行学院 | Hand-held type low pressure double-fluid thin water smoke lithium cell fire extinguisher |
| CN115845307B (en) * | 2022-09-09 | 2023-08-11 | 中国空气动力研究与发展中心空天技术研究所 | Fine water mist inert gas two-phase flow fire extinguishing system based on gas-liquid coaxial centrifugal nozzle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201939921U (en) * | 2010-12-21 | 2011-08-24 | 中山大学 | Electronic ultrasonic nozzle type atomized fine water mist fire-extinguishing device |
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| WO2005042177A1 (en) * | 2003-11-03 | 2005-05-12 | Vln Advanced Technologies Inc. | Ultrasonic waterjet apparatus |
| JP2007050584A (en) * | 2005-08-17 | 2007-03-01 | Fujifilm Holdings Corp | Mist jet head and image forming apparatus |
| CN101229418B (en) * | 2008-02-01 | 2011-05-25 | 中国科学技术大学 | Ultrasonic atomizing fire extinguisher |
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