CN104906722A - Dual-drive mixing fine water mist fire-extinguishing system - Google Patents
Dual-drive mixing fine water mist fire-extinguishing system Download PDFInfo
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- CN104906722A CN104906722A CN201510277312.1A CN201510277312A CN104906722A CN 104906722 A CN104906722 A CN 104906722A CN 201510277312 A CN201510277312 A CN 201510277312A CN 104906722 A CN104906722 A CN 104906722A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/08—Water curtains
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
- A62C31/07—Nozzles specially adapted for fire-extinguishing with two or more outlets for different media
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Abstract
The invention relates to a dual-drive mixing fine water mist fire-extinguishing system, which comprises an external steel cylinder, liquid-state carbon dioxide, a magnetic induction generator, an electric starter, a steel cylinder ejection switch, a gas pipeline, a water level probe, a fire extinguishing agent storage tank, a fire extinguishing agent, a built-in fire extinguishing agent ejection pipeline, a water storage tank spraying nozzle switch, a pressure limiting protection valve, a base bracket, a fastening snapping ring, an external fire extinguishing agent ejection pipeline and a fine water mist spraying nozzle. According to the dual-drive mixing fine water mist fire-extinguishing system of the present invention, the high temperature gas generated after liquid-state carbon dioxide gasification is adopted as the power source, the liquid fine water mist and the gas carbon dioxide are adopted as the fire extinguishing medias, and the two fire extinguishing ways such as the gas fire extinguishing and the fine water mist fire extinguishing are used during the fire extinguishing, such that the defects that the gas fire extinguishing requires the sealed space and the fine water mist fire extinguishing can not bypass the obstructions and directly contact the combustion zone is overcome to a certain extent, the advantages of the two fire extinguishing ways are completely provided, and the defects of the two fire extinguishing ways are overcome, wherein the most significant characteristic such as the complete advantage providing and the defect overcome of the system of the present invention is distinguished from the previous single fire extinguishing way.
Description
Technical field
The present invention is a kind of pair and drives mixing fine water mist fire-extinguishing system, the gases at high pressure that this fire extinguishing system produces after gasifying with liquid carbon dioxide are for power source, with liquid water mists and atmospheric carbon dioxide for fire extinguishing medium, the water mists produced sprays in the mode of two-phase flow, and native system has merged water mists liquid fire extinguishing and carbon dioxide puts out a fire two kinds of fire-fighting modes.
Background technology
Fine mist fire-fighting mode as a kind of novel fire-fighting mode, the advantage such as there is environmental protection, safety, fire-fighting efficiency is high, easy to maintenance, the scope of application is wide.But present used pump group formula fine mist fire-fighting product, it is generally ductwork type, need the parts compositions such as high-pressure hydraulic pump, storage cistern, pipe network, shower nozzle, fire detector and controller, cost ratio water sprinkler system will exceed a lot, and it is very high to the requirement of high-pressure hydraulic pump and pipe network, once there be which link out of joint, then may cause the inefficacy of whole fine water mist fire-extinguishing system.The complexity of simultaneously installing, also determines and is only applicable to newly-built place, and the place of reconstruction and enlarging then seldom can use, and too high cost also makes much to want to use the user of fine water mist fire-extinguishing system to hang back.And existing bottle group water mist fire extinguishing, as driving gas with nitrogen, the volume of gas cylinder is revealed greatly, easily, nitrogen EJECTION VELOCITY is slow, nitrogen is without fire extinguishing effect simultaneously, and maximum shortcoming to be bottle group water mist fire extinguishing volume too huge, high-pressure gas cartridge also also exists the danger may blasted at any time.Existing Water Mist Fire Extinguishing Technique in addition, the fire that there is barrier is also difficult to play effectiveness, the barrier of scene of fire stops because can be formed to the injection of water mists, such water mists directly cannot spray burning point and puts out a fire by cut-through thing, therefore concerning the place having barrier, the extinguishing effect of water mists neither be very desirable.
Fine water mist fire-extinguishing system of the present invention, largely solves defect and the drawback of existing fine water mist fire-extinguishing system.This two mixing fine water mist fire-extinguishing system that drives eliminates equipment and the parts such as the necessary high-pressure hydraulic pump of fine water mist fire-extinguishing system, storage cistern, pipe network completely, makes the reliability of this fire-fighting mode of water mists greatly improve and simplify.Simultaneously twoly drive high pressure that mixing fine water mist fire-extinguishing system produces when gasifying with liquid carbon dioxide fire-fighting agent for power source; with liquid water mists and gaseous carbon dioxide for fire extinguishing medium; combine the cooling effect of liquid fire extinguishing and the total flooding effect of extinction using gas dexterously, greatly extend the scope of application and the guard space of this fire extinguishing system.The two mixing fine water mist fire-extinguishing system that drives of what is more important solves the drawback that ductwork type fire extinguishing system installs complexity well, also wants much small and exquisite compared to bottle group water mist fire extinguishing volume simultaneously, and more safe and reliable.Experiment shows, hybrid medium extinguishing effect is also far better than single mode extinguishing effect, so just makes fine mist fire-fighting no longer by the restriction of construction area and erection space, can be widely used in the place of various newly-built, reconstruction and enlarging.
Summary of the invention
The present invention is two drives the defect of mixing fine water mist fire-extinguishing system for the existing pump group formula fine water mist fire-extinguishing system described in previous Background and bottle group type fine water mist fire-extinguishing system, gives concrete and feasible solution.
The technical scheme that the present invention solves above technical problem is as follows:
The present invention is two drives mixing fine water mist fire-extinguishing system; be made up of external steel cylinder, liquid carbon dioxide, electromagnetic induction generator, electric starter, steel cylinder injection cock, gas piping, water level probe, extinguishing chemical water tank, extinguishing chemical, built-in extinguishing chemical injection line, extinguishing chemical water tank spout switch, voltage-limiting protection valve, base support, fastening snap ring, external extinguishing chemical injection line and fine mist spray head; the shower nozzle of fine water mist fire-extinguishing system is different angle, and the setting height(from bottom) of fire extinguishing system must be corresponding with the angle of shower nozzle.
The present invention is two drives mixing fine water mist fire-extinguishing system, can pass through automatic sensing environment temperature, realize the effect of self-extinguishing.The present invention is two, and to drive mixing fine water mist fire-extinguishing system be the feature utilizing liquid carbon dioxide to meet transient evaporation after high temperature, the gases at high pressure produced with carbon dioxide after gasifying are for power source, the liquid-state extinguishing agent in extinguishing chemical water tank is driven to spray at a terrific speed, be equipped with unique opposite-flushing type pressure nozzle simultaneously, good water mists jeting effect can be realized when middle pressure, fire-fighting efficiency and extinguishing effect more far better than Water spray.During this fire extinguishing system fire extinguishing simultaneously, the quantity of extinguishing media of required use is very little, secondary damage can not be caused to needing the article of protection, completely avoid Water spray water consumption large, serious to item spoilage, can the hidden danger of generation current infringement when can cause secondary damage and put out charged appliance fire.What is more important also sprays with gaseous form when water mists sprays as the carbon dioxide of power source simultaneously, serves the effect that auxiliary two-phase flow is sprayed, action potential required when drastically increasing acceleration when extinguishing chemical sprays and spray.Carbon dioxide is also direct simultaneously participates in fire extinguishing as gas extinguishing agent, we had introduced existing fine mist fire-fighting mode hereinbefore for the burning that there is barrier is helpless mostly, because water mists cannot cut-through thing and through burning things which may cause a fire disaster, such water mists just cannot put out the fire of barrier effectively.And carbon dioxide just can make up this defect well as gas extinguishing agent, gas extinguishing agent can cut-through thing very like a cork, and through burning things which may cause a fire disaster, can put out the fire of barrier effectively.This device is after combining liquids and gases two kinds of fire-fighting modes, and the scope of application is more extensive, and extinguishing effect also becomes more desirable, and therefore, for the burning things which may cause a fire disaster be positioned under barrier, this device can realize good extinguishing effect.
The two shower nozzle driving mixing fine water mist fire-extinguishing system of the present invention can in different angles, and the setting height(from bottom) of fire extinguishing system must be corresponding with the angle of shower nozzle.Consider that the height of guard space can make a big difference, therefore our the water mists external pipeline of the fire extinguishing system when designing will be designed to different height, so just need fine mist spray head to be also correspondingly designed to different spray angles simultaneously.Therefore in the space of differing heights, we, when mixing fine water mist fire-extinguishing system is driven in use pair, just need the fine mist spray head that use is corresponding with spatial altitude, to reach the extinguishing effect of the best.
The present invention is two drives mixing fine water mist fire-extinguishing system with the gases at high pressure produced after liquid carbon dioxide gasification for power source, and after gases at high pressure and extinguishing chemical fully mix, the water mists produced sprays in the mode of two-phase flow.With the gases at high pressure produced after liquid carbon dioxide gasification for power source is the most fundamental characteristic being different from existing bottle group water mist fire extinguishing.Existing bottle group water mist fire extinguishing is driving gas with nitrogen, is aided with pressure limiting valve simultaneously, to control the discharge of nitrogen.The nitrogen pressure of this design is fixing, be difficult to producing high pressure instantaneously, just the high pressure nitrogen after compression is discharged, and two-phase flow will be realized also must supply compressed air equally at shower nozzle place, two-phase flow jet velocity produced like this is slow, the kinetic energy of water mists is not enough, is difficult to breaking through the buoyancy emergence floor of flame and interval flame zone instantaneously and arrives continuous flame district, reaching the effect of putting out a fire instantaneously.And liquid carbon dioxide of the present invention, can moment volumetric expansion about 500 times when gasifying, power source is powerful, high-pressure carbon dioxide gas directly mixes mutually with liquid-state extinguishing agent simultaneously, the jet velocity of two-phase flow is made to accelerate tens times, such water mists easily breaking through buoyancy emergence floor and the interval flame zone and arrive continuous flame district of flame instantaneously, will reach the effect of putting out a fire instantaneously.After carbon dioxide gasification, ejection also has two effects simultaneously: absorbing and cooling temperature, extinction using gas.This be existing nitrogen drive bottle group water mist fire extinguishing two functions that at all cannot realize.Therefore the present invention breaches is limitation and the weak point of power source for a long time with compressed nitrogen, fine water mist fire-extinguishing system of the present invention and bottle group type fine water mist fire-extinguishing system are in the past comparatively speaking, it is not only the change of driving gas classification, the more important thing is the change of basic type of drive, and the change of the good extinguishing effect up to several times produced therefrom.
The steel cylinder injection cock of fine water mist fire-extinguishing system of the present invention is pressure-limiting check valve, produces high temperature when electric starter starts, and in steel cylinder, high-temperature gasification met by liquid carbon dioxide, pressure increase in steel cylinder, when exceeding pressure limiting valve force value, pressure limiting valve is opened, and gaseous carbon dioxide sprays from gas piping.Native system is designed with autostart function, when there is the condition of a fire, electromagnetic induction generator in system starts when reaching design temperature and output current signal, the current signal exported can make electric starter produce high-temperature electric spark within the time of 2 milliseconds, and liquid carbon dioxide can gasify at a terrific speed when running into high temperature, the volume of the carbon dioxide after gasification can expand 500 times, the increase of gas volume will inevitably cause the pressure in steel cylinder increasing instantaneously, when in steel cylinder, pressure increase consequently exceeds the working pressure of pressure limiting valve, pressure limiting valve will be opened under the effect of the pressure automatically, at this moment the carbon dioxide after gasification sharply will be sprayed from gas piping by one-way pressure-limit valve, these two first times of driving in fire extinguishing system namely designed by the present invention drive.
Fine water mist fire-extinguishing system of the present invention realizes the different expulsion pressure of system by the liquid carbon dioxide filling Different Weight in external steel cylinder, also can realize different water mists jet lengths and different system protection spaces, scope simultaneously.In the extinguishing chemical water tank of native system, except extinguishing chemical, also have very little remaining space to be prepared for filling carbon dioxide driving gas, the volume of this part remaining space is fixing.If the liquid carbon dioxide filled in external steel cylinder varies in weight, the volume then expanded after liquid carbon dioxide gasification naturally also can be different, we just can realize the gas flow of different gaseous carbon dioxides by the charging weight adjusting liquid carbon dioxide like this, the gas flow of carbon dioxide is different, and the remaining space in extinguishing chemical water tank is fixing, so, fixing space is put into different gaseous carbon dioxides and will be realized different pressures in extinguishing chemical water tank, thus makes fine water mist fire-extinguishing system realize different expulsion pressures.When water mists expulsion pressure is different, the jet length of water mists has a great difference naturally, and so, the guard space of native system and protection domain also will produce very large difference naturally.This is also that native system is obviously better than bottle group water mist fire extinguishing part, if bottle group water mist fire extinguishing is wanted to adjust pressure, the pressure of nitrogen in steel cylinder must be strengthened, and to strengthen the charge pressure of nitrogen in steel cylinder be very difficult, moreover in steel cylinder, the charge pressure of nitrogen neither improve unlimitedly.Pressure simultaneously in high-pressure cylinder is higher, the cost of steel cylinder also will be higher, and now steel cylinder also more may be revealed, the steel cylinder of certain hypertonia also also exists the danger that can blast simultaneously, so for bottle group water mist fire extinguishing, want that increasing pressure is to pay very large cost, cost also can be much higher simultaneously, even if but the even more important pressure being exactly bottle group water mist fire extinguishing and increasing nitrogen, extinguishing effect also has too large change, and this is with two to drive that mixing fine spray extinguisher compares be two different situations completely.
The two external injection line of driving in mixing fine water mist fire-extinguishing system of the present invention combines with segmented reducing pipeline, and distance is far away, and caliber is thinner, and external pipeline can carry out arrangement combination in many ways simultaneously.This design is because water mist system of the present invention sprays in the mode of two-phase flow, simultaneously gas and liquid extinguisher eject, this that is from extinguishing chemical water tank spout more close to the pressure at shower nozzle place can be larger, the acceleration of water mists that shower nozzle sprays from here can be larger, otherwise, from extinguishing chemical water tank spout more away from the pressure at shower nozzle place can be less, the acceleration of the water mists that certain shower nozzle from here sprays also will be less, so just mean if the caliber of pipeline is constant, the expulsion pressure of extinguishing device can be very unbalanced.In order to address this problem, the external injection line of extinguishing device combines in the mode of segmented reducing pipeline by the present invention, distance is far away, caliber is thinner, caliber is thinner, during injection, driving gas can improve naturally to the pressure of tube wall, so also just solves the unbalanced problem of loine pressure, the object of water mists acceleration during to reach realization balance water mists expulsion pressure and to spray.External pipeline can combine according to the arrangement carrying out various ways that needs of protected area simultaneously, will meet the needs of guard space so to greatest extent.
The two shower nozzle driving mixing fine water mist fire-extinguishing system of the present invention is middle pressure fine mist spray head, and the spray-hole on shower nozzle is that correlation shape is uniformly distributed, and forms more fine and closely woven water mists after the water smoke that shower nozzle sprays liquidates.Pressure when this fire extinguishing system just starts in extinguishing chemical water tank is very large, but very fast extinguishing chemical water tank spout switch is opened under the effect of gases at high pressure, the water mists at this moment ejected from spout switch is spouting with the form of middle pressure mixing two-phase flow.Because the design of native system be two-phase flow mixing water mists spray, be aided with opposite-flushing type shower nozzle, so just can with in press fine mist spray head to realize the jeting effect of high-pressure water mist spray head.The object done like this to reduce the cost of a whole set of water mist system, also can avoid the limitation of high-pressure nozzle simultaneously.Because high-pressure nozzle is realize good jeting effect, spray orifice requires superfine, and such spray orifice is easy to blocked, once shower nozzle will be made to spray after spray orifice blocking, and then whole system can be caused to put out a fire unsuccessfully, and meticulous fine mist spray head is also difficult to the jeting effect realizing two-phase flow.Simultaneously for high-pressure water mist spray head, be unable to do without the support of excess pressure, if pressure does not reach the standard of high pressure, then the fogdrop diameter of water mists cannot ensure, therefore the two-phase flow hybrid working principle that this pair drives mixing fine water mist fire-extinguishing system uniqueness be equipped with opposite-flushing type shower nozzle solve well limitation when heavy pressure fine spray sprays and defect, action potential required when both can realize the jeting effect of two-phase flow and good injection acceleration and spray, the fogdrop diameter of ideal effect can be produced again, spray acceleration, action potential, fogdrop diameter, the combination of these three factors, determine this device and can realize the extinguishing effect that common fine spray extinguisher needs just can reach for a long time with the extremely short time.
The two operation principle of driving mixing fine water mist fire-extinguishing system of the present invention is that after liquid carbon dioxide is heated, gasification drives injection, and the gases at high pressure liquid towards extinguishing chemical high drive that the carbon dioxide after gasification is formed is sprayed, these two kinds of type of drive combine us and are referred to as two to drive mixing, its objective is and realize water mists and carbon dioxide can spray simultaneously, and put out a fire with liquid and gaseous state, to realize better extinguishing effect respectively.We illustrate the principle of the first time driving in two drive system hereinbefore, when the carbon dioxide produced after completing first time driving enters in extinguishing chemical water tank, gases at high pressure can be formed in extinguishing chemical water tank, under the effect of this gases at high pressure, liquid-state extinguishing agent can be made to carry out high drive injection, the principle of this namely two second time driving of driving in fire extinguishing system, after completing second time driving, water mists and carbon dioxide can spray from system with form that is liquid and gaseous state simultaneously, the good combination of the firing-fighting medium of two kinds of different shapes, also be the major reason that native system can effectively be put out a fire.Why we design and so twoly drive combined agent extinguishing system, are that existing bottle group water mist fire extinguishing and gas extinguishing system all exist some such or such defects because we find in the fire fighting test of reality.Such as bottle group type fine water mist fire-extinguishing system, the injection of two-phase flow can be realized, but when if barrier appears in scene of fire, the technological means of existing water mists cannot get around barrier, and gas extinguishing system needs to carry out in the space closed total flooding fire extinguishing, and some space be cannot realize totally enclosed, and the cooling effect of extinction using gas and the hot feedback effect that directly the reduces comburant water mists that is far from is obvious, simultaneously two action potential when driving injection acceleration and the fire extinguishing of mixing water mists, also be extinction using gas be difficult to realize, therefore we have carried out effective fusion to above two kinds of fire-fighting modes, extinction using gas mode and fine mist fire-fighting examination is made to have carried out scientific and reasonable complementation, such complementation is not the effect of simple addition, because gas accelerates jet velocity and the action potential of water mists, and water mists supplements the necessary total flooding fire extinguishing of gas, the unconspicuous shortcoming of cooling effect, the effect of this complementation is made to reach the effect of several times superposition or even multiplication, greatly increase effect and efficiency that this pair drives the fire extinguishing of combination fine water mist fire-extinguishing system, serve the effect of getting twice the result with half the effort to a great extent, this is also unique distinction of the present invention.
The two mixing fine water mist fire-extinguishing system that drives of the present invention can form independent zone of protection by self-organizing system, also can carry out total flooding protection with other system interlock to wider protective zone, the zone of protection of this fire extinguishing system can carry out the adjustment of height and scope as requested by external injection line.We introduced native system and can automatically start in the preceding article, and the electromagnetic induction generator used in native system once can start three cover systems simultaneously, and so just making the interlock of many cover systems combine fire-fighting mode becomes possibility.This sample system just can as an independently system existence; space in certain limit and place are protected; if when needing to carry out total flooding protection to wider protective zone simultaneously; also native system can be carried out stack combinations design simultaneously; several like this or tens, so that tens independently system just can form a larger guard system, the guard space of this sample fire extinguishing system and usefulness just can be significantly improved.The zone of protection of this fire extinguishing system can carry out the adjustment of height and scope as requested by external injection line simultaneously, because scope and the space of multiple autonomous system combination and the rear fire prevention of superposition and fire extinguishing increase, the height of its guard space also certainly will will make corresponding adjustment, and now we just can according to actual conditions need corresponding adjustment is made to the height of injection line and combination range, more to adapt to the needs of guard space, when injection line adjusts, the model of the shower nozzle of this fire extinguishing system and setting angle also will adjust at any time accordingly, to reach more desirable and fire prevention that is science, extinguishing effect.
The temperature control current signal that fine water mist fire-extinguishing system of the present invention can produce with electromagnetic induction generator starts automatically, and provides feedback signal when system starts, and is applicable to unattended environment, and native system is also furnished with the mode of manually booting simultaneously.Electromagnetic induction generator can realize Passive self-starting and move, when the border environment temperature at scene reaches set temperature value, electromagnetic induction generator will start automatically, the principle and character of electromagnetic induction is utilized after startup, two the driving of the present invention can be produced and mix operating current required when fine water mist fire-extinguishing system starts, after providing this operating current, this fine water mist fire-extinguishing system just can start.The function starting feedback signal is provided after electromagnetic induction generator also has startup simultaneously, even like this at unattended environment, the interlock that also can realize other devices after device starts starts, or the feedback signal of fire extinguishing is started to host computer issue device, so just can realize the object of at any time unattended environment being carried out to fire extinguishing monitoring in real time.Native system also designs and is furnished with manual actuation of button simultaneously, and like this when the condition of a fire occurs, when automatics not yet works, we just manually can carry out the work ahead of implement device by button, to reach more timely, efficient extinguishing effect.
Fine water mist fire-extinguishing system of the present invention is furnished with voltage-limiting protection valve, causes damage to system in order to avoid pressure is excessive.This voltage-limiting protection valve be positioned on extinguishing chemical water tank can realize the voltage-limiting protection effect to water pot, and the high pressure avoiding carbon dioxide to produce is to the infringement of whole system.When fire extinguishing system is started working; once the pressure in extinguishing chemical water tank is excessive; and water tank spout switch is not opened in time; at this moment will produce the situation of overvoltage in extinguishing chemical water tank, if the pressure release not in time when overvoltage, then the safe operation of whole system all can be on the hazard; therefore during this time; the effect of voltage-limiting protection valve is exactly open pressure release in time, to reduce the pressure in extinguishing chemical water tank, the safety of a whole set of fire extinguishing system is ensured.
Accompanying drawing explanation
Fig. 1 is overall cross-sectional schematic of the present invention.
Fig. 2 is external pipeline of the present invention arrangement schematic diagram.
Specific works principle of the present invention:
Refer to shown in Fig. 1, the two mixing fine water mist fire-extinguishing system that drives of the present invention is made up of a few parts such as external steel cylinder 1, liquid carbon dioxide 2, electromagnetic induction generator 3, electric starter 4, steel cylinder injection cock 5, gas piping 6, water level probe 7, extinguishing chemical water tank 8, extinguishing chemical 9, built-in extinguishing chemical injection line 10, water tank spout switch 11, external extinguishing chemical injection line 12, fine mist spray head 13, voltage-limiting protection valve 14, base support 15 and fastening snap rings 16.
As shown in Figure 1, the two two principles of driving of driving mixing fine water mist fire-extinguishing system of the present invention, refer to liquid carbon dioxide 2 volumetric expansion 500 times when gasifying respectively, gaseous carbon dioxide after volume sharply increases ejects rapidly from the steel cylinder injection cock 5 of external steel cylinder 1, this is that we drive said first time, when what current driving utilized is carbon dioxide gasification, the principle that volume can sharply expand.And second time drives the carbon dioxide after referring to gasification to enter in extinguishing chemical water tank 8 by gas piping 6, under the effect of high-pressure carbon dioxide gas, by extinguishing chemical 9 by spouting after built-in extinguishing chemical injection line 10 and extinguishing chemical water tank spout switch 11, and by after external extinguishing chemical injection line 12 and fine mist spray head 13, the form ejection fire extinguishing of dripping with water mists, Here it is, and our said second time drives, and what current driving utilized is constantly produce gases at high pressure after carbon dioxide gasification thus advance extinguishing chemical to carry out the principle of ejecting extinguishing.And the process that second time drives also is process carbon dioxide and extinguishing chemical being carried out mixing, spouting from the shower nozzle of system in the mode of two-phase flow after mixing, action potential when will improve acceleration when water mists sprays so widely and spray.
Figure 2 shows that two arrangement schematic diagram driving the external extinguishing chemical injection line of mixing fine water mist fire-extinguishing system.As shown in Figure 2, two external extinguishing chemical injection line of driving mixing fine water mist fire-extinguishing system 1 is expressed as 2,3,4 according to the difference of caliber, and what be positioned at the line end of different tube diameters is opposite-flushing type fine mist spray head 5.According to diagram, we can find out, the external extinguishing chemical injection line that this pair drives mixing fine water mist fire-extinguishing system can be undertaken arranged evenly by multiple method and form.4 shower nozzles be positioned in this schematic diagram in external extinguishing chemical injection line carry out arranging and distributing with orthoscopic, square arrangement formula, mode such as biserial arrangement formula, four row arrangement formulas etc. respectively.The external pipeline arrangement of fire extinguishing system of the present invention can be several legends shown in Fig. 2, but is not limited to the arrangement mode shown in Fig. 2, and the arrangement that other are various extends therefrom and distribution mode are also included in protection scope of the present invention.We also can find out from the legend of Fig. 2 simultaneously, two caliber of external extinguishing chemical injection line 2,3,4 driving mixing fine water mist fire-extinguishing system is along with tapered away from the change from device distance, and the pipe diameter determing of this gradual change form serves and makes up pressure and reduce gradually and the unbalanced defect of fire extinguishing system sprinkler pressure everywhere that produces.
Detailed description of the invention
As shown in Figure 1, when the protective zone generation condition of a fire of native system, fire field environment temperature raises rapidly, when temperature-sensing probe in electromagnetic induction generator 3 reaches default temperature, starting current can be exported in electromagnetic induction generator 3, under the effect of starting current, electric spark is ejected in electric starter 4, and after the liquid carbon dioxide 2 be stored in external steel cylinder 1 is subject to the effect of electric spark, rapid gasification, volume sharply expands, thus the injection cock 5 in steel cylinder is opened, after injection cock 5 is opened, gaseous carbon dioxide enters in extinguishing chemical water tank 8 along gas piping 6, after carbon dioxide sprays from water level probe 7, part carbon dioxide mixes with extinguishing chemical 9, more carbon dioxide then plays the effect of high drive to extinguishing chemical 9 with the form of gases at high pressure, under the effect of high drive, extinguishing chemical 9 sprays from built-in extinguishing chemical injection line 10, extinguishing chemical 9 after ejection breaks through the water tank spout switch 11 of extinguishing chemical water tank 8, thus enter in external extinguishing chemical pipeline 12, extinguishing chemical is sprayed from fine mist spray head 13 by external extinguishing chemical pipeline 12, from shower nozzle 13, the extinguishing chemical of ejection liquidates collision, thus produce finer and closely woven water mists, and gaseous carbon dioxide also sprays from shower nozzle 13 simultaneously, at this moment the crunch of carbon dioxide also serves the effect of two-phase flow secondary injection, thus extinguishing chemical 9 can be made to break through rapidly buoyancy emergence district that flame formed and interval flame zone, arrive the continuous flame district of hot spots, under the double action of fine mist fire-fighting agent and carbon dioxide, flame is put out rapidly, therefore native system employs extinction using gas and these two kinds of fire-fighting modes of fine mist fire-fighting when putting out a fire simultaneously, compensate for extinction using gas to a certain extent and need confined space, and fine mist fire-fighting cannot to go directly the defect of combustion zone by cut-through thing, give full play to the advantage of above two kinds of fire-fighting modes and compensate for the defect of two kinds of fire-fighting modes, it is the most obvious feature place that the present invention is different from single fire-fighting mode in the past.
The present invention is not limited to aforesaid detailed description of the invention.The present invention extends to the combination of any new feature disclosed in this manual or any new feature, and the combination of the step of disclosed arbitrary new mode or process and any new step.
Above-described embodiment is only used for further illustrating two specific works process of driving mixing fine water mist fire-extinguishing system; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection domain of technical solution of the present invention.
Claims (10)
1. one kind pair is driven mixing fine water mist fire-extinguishing system; it is characterized in that: be made up of external steel cylinder, liquid carbon dioxide, electromagnetic induction generator, electric starter, steel cylinder injection cock, gas piping, water level probe, extinguishing chemical water tank, extinguishing chemical, built-in extinguishing chemical injection line, water tank spout switch, voltage-limiting protection valve, base support, fastening snap ring, external extinguishing chemical injection line and fine mist spray head; the shower nozzle of fine water mist fire-extinguishing system is different angle, and the setting height(from bottom) of fire extinguishing system must be corresponding with the angle of shower nozzle.
2. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: the gases at high pressure that this fire extinguishing system produces after gasifying with liquid carbon dioxide are for power source, after gases at high pressure and extinguishing chemical fully mix, the water mists produced sprays in the mode of two-phase flow.
3. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: the steel cylinder injection cock of this fire extinguishing system is pressure-limiting check valve, high temperature is produced when electric starter starts, in steel cylinder, high-temperature gasification met by liquid carbon dioxide, pressure increase in steel cylinder, when exceeding pressure limiting valve force value, pressure limiting valve is opened, and gaseous carbon dioxide sprays from gas piping.
4. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system; it is characterized in that: this fire extinguishing system realizes the different expulsion pressure of system by the liquid carbon dioxide filling Different Weight in external steel cylinder, also can realize different water mists jet lengths and different system protection spaces, scope simultaneously.
5. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: the external injection line of this fire extinguishing system combines with segmented reducing pipeline, distance is far away, and caliber is thinner, and external pipeline can carry out arrangement combination in many ways simultaneously.
6. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: the shower nozzle of this fire extinguishing system is middle pressure fine mist spray head, spray-hole on shower nozzle is that correlation shape is uniformly distributed, and forms more fine and closely woven water mists after the water smoke that shower nozzle sprays liquidates.
7. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: this fire extinguishing system is that after liquid carbon dioxide is heated, gasification drives injection, and the gases at high pressure liquid towards extinguishing chemical high drive that the carbon dioxide after gasification is formed is sprayed, these two kinds of type of drive combine us and are referred to as two to drive mixing, its objective is and realize water mists and carbon dioxide can spray simultaneously, and put out a fire with liquid and gaseous state, to realize better extinguishing effect respectively.
8. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: this fire extinguishing system can form independent zone of protection by self-organizing system, also can carry out total flooding protection with other system interlock to wider protective zone, the zone of protection of this fire extinguishing system can carry out the adjustment of height and scope as requested by external injection line.
9. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: the temperature control current signal that this fire extinguishing system electromagnetic induction generator produces starts automatically, and provide feedback signal when system starts, be applicable to unattended environment, native system is also furnished with the mode of manually booting simultaneously.
10. according to claim 1 pair is driven mixing fine water mist fire-extinguishing system, it is characterized in that: this fire extinguishing system is furnished with voltage-limiting protection valve, causes damage in order to avoid pressure is excessive to system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510277312.1A CN104906722A (en) | 2015-05-27 | 2015-05-27 | Dual-drive mixing fine water mist fire-extinguishing system |
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| CN201510277312.1A CN104906722A (en) | 2015-05-27 | 2015-05-27 | Dual-drive mixing fine water mist fire-extinguishing system |
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| CN201510277312.1A Pending CN104906722A (en) | 2015-05-27 | 2015-05-27 | Dual-drive mixing fine water mist fire-extinguishing system |
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| CN (1) | CN104906722A (en) |
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| CN106823221A (en) * | 2017-04-07 | 2017-06-13 | 山东宏达科技集团有限公司 | A kind of liquid nitrogen power fire monitor |
| CN107537125A (en) * | 2016-06-28 | 2018-01-05 | 江苏华燕船舶装备有限公司 | For CO2The delay unit and its method of work of fire extinguisher system apparatus |
| CN108080176A (en) * | 2018-01-25 | 2018-05-29 | 安徽中科中涣防务装备技术有限公司 | A kind of novel passive water mist generating device |
| CN108371862A (en) * | 2018-04-27 | 2018-08-07 | 王振彪 | It sends out property a large amount of property flue dust removing methods wink and eliminates equipment |
| CN109276827A (en) * | 2018-08-28 | 2019-01-29 | 安徽建筑大学 | Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel |
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| CN111569312A (en) * | 2020-04-21 | 2020-08-25 | 杨根喜 | Constant-pressure spraying and mixing method and device for solid fire extinguishing composition |
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| CN111589020A (en) * | 2020-05-28 | 2020-08-28 | 航天康达(北京)科技发展有限公司 | Perfluorohexanone quick fire extinguishing device and fire extinguishing system |
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| CN107537125A (en) * | 2016-06-28 | 2018-01-05 | 江苏华燕船舶装备有限公司 | For CO2The delay unit and its method of work of fire extinguisher system apparatus |
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| CN108080176A (en) * | 2018-01-25 | 2018-05-29 | 安徽中科中涣防务装备技术有限公司 | A kind of novel passive water mist generating device |
| CN108371862A (en) * | 2018-04-27 | 2018-08-07 | 王振彪 | It sends out property a large amount of property flue dust removing methods wink and eliminates equipment |
| CN109276827B (en) * | 2018-08-28 | 2020-10-27 | 安徽建筑大学 | Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel |
| CN109276827A (en) * | 2018-08-28 | 2019-01-29 | 安徽建筑大学 | Movable superfine water mist fire extinguishing equipment for underground deep-pit cable tunnel |
| CN111569312A (en) * | 2020-04-21 | 2020-08-25 | 杨根喜 | Constant-pressure spraying and mixing method and device for solid fire extinguishing composition |
| CN111589017A (en) * | 2020-05-28 | 2020-08-28 | 航天康达(北京)科技发展有限公司 | Built-in perfluorohexanone fire extinguishing system and fire extinguishing method for ceiling |
| CN111589020A (en) * | 2020-05-28 | 2020-08-28 | 航天康达(北京)科技发展有限公司 | Perfluorohexanone quick fire extinguishing device and fire extinguishing system |
| CN111589020B (en) * | 2020-05-28 | 2022-03-04 | 航天康达(北京)科技发展有限公司 | Perfluorohexanone quick fire extinguishing device and fire extinguishing system |
| CN111589017B (en) * | 2020-05-28 | 2022-03-04 | 航天康达(北京)科技发展有限公司 | Built-in perfluorohexanone fire extinguishing system and fire extinguishing method for ceiling |
| CN111561982A (en) * | 2020-06-17 | 2020-08-21 | 烟台创为新能源科技股份有限公司 | Liquid level detection device and box with same |
| CN114738855A (en) * | 2022-04-26 | 2022-07-12 | 江苏晋成空调工程有限公司 | Air treatment unit with sterilization effect |
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Application publication date: 20150916 |