CN104941094A - Method for generating firefighting water mist by using energy conversion mode and device thereof - Google Patents
Method for generating firefighting water mist by using energy conversion mode and device thereof Download PDFInfo
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- CN104941094A CN104941094A CN201510301730.XA CN201510301730A CN104941094A CN 104941094 A CN104941094 A CN 104941094A CN 201510301730 A CN201510301730 A CN 201510301730A CN 104941094 A CN104941094 A CN 104941094A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Abstract
The invention discloses a method for generating firefighting water mist by using an energy conversion mode; a lot of gas and combustion heat energy generated by a chemical combustion mode are taken as basic energy for performing the method; the basic energy is converted to kinetic energy of a liquid fire extinguishing agent to exert an efficient fire extinguishing effect; and meanwhile, the reasonability of comprehensive energy distribution of water mist drops and the acting of all, rather than one part of, comprehensive energy on the combustion heat energy are another key conditions of fire extinguishment. The method can be realized through a specific device; and the device comprises a hanging and lifting component, a multipoint temperature sensing automatic current generator, a gas generator, a fire extinguishing agent tank, a fire extinguishing agent, a water mist spraying component and a water filling port. The water mist firefighting device can be singly started under the effect of the current generator, and also can be started with other firefighting devices.
Description
Technical field
The present invention is the method and the device thereof that produce fire extinguishing water mists by the mode of power conversion, mainly carries out the high-efficiency fine water fog generator of putting out a fire with liquid extinguisher.
Background technology
Fine mist fire-fighting 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 fine mist fire-fighting product, be divided into pump group formula and bottle group type two kinds, pump group formula fine water mist fire-extinguishing system, 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 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 simultaneously.And bottle group water mist fire extinguishing, by high-pressure gas cartridge as power source, mode when fine spray extinguisher sprays with two-phase flow is sprayed, gases at high pressure in gas cylinder are that push agent plays again the effect of dripping common injection with water mists, the effect of accelerating jetting is served when common injection, compare pump group formula extinguishing device, fire-fighting efficiency is higher, but simultaneously bottle group water mist fire extinguishing also exist bulky, gas cylinder is dangerous, not easily install, gases at high pressure easily leak, apparatus cost crosses high reason.Present academia is not all very clear and definite to the analysis of the extinguishing mechanism of above two kinds of fine spray extinguishers, generally believe water mists mainly by cooling, suffocate, reduce hot feedback etc. because usually realizing fire extinguishing, but the mechanism of some fire extinguishing cannot get across, such as why be that water is as firing-fighting medium equally, and the fire-fighting efficiency of water mists is higher than Water spray a lot, Water spray has cooling too, suffocate, reduce the effect of hot feedback, if the expanding volume of water mists is larger, hydrone heat radiation is more faster, that molecular weight times over the water of the Water spray of water mists is not larger, why more the fire-fighting efficiency of water is also not as the fire-fighting efficiency of the water mists of little amount.
In the present invention, we are for the extinguishing mechanism of water mists, propose a new viewpoint, that is exactly why water mists significantly can improve fire-fighting efficiency, because be need to be realized by a large amount of power conversion aquatic becoming in the process of water mists, energy required in this transfer process finally take part in the process of whole fire extinguishing together with water mists, that is, generate the process of water mists, be actually process energy and water being carried out superposing, according to the principle of the conservation of energy, this energy can not disappear.And burning can produce heat and heat energy is for people are confessed, viewpoint in the past just focuses on putting out of the heat produced burning, and depending on putting out and suppressing the heat energy that burning produces, and in fact heat and heat energy unite two into one, thermal energy consumption is not fallen, just high temperature cannot be consumed, also just cannot put out a fire smoothly.Fire when burning the combustion phenomena that occurs and these people of heat perceived temperature phenomenon can not neglect by people, and our naked eyes produced when burning and the perception of skin institute less than energy-heat energy, be the root fundamentally hindering us to put out a fire in fact.So we think, the process of fire extinguishing, in fact be exactly the energy consumption process that this disappears and other rises, the contrast between energy and trial of strength, after having introduced this viewpoint, fine mist fire-fighting efficiency just can be readily solved far above the mechanism problem of the fire-fighting efficiency of Water spray, because the energy of water mists will much larger than the energy of light water spray, therefore in fire extinguishing procedure, water mists prevails in the war of the energy with fire, therefore the fire-fighting efficiency of water mists will far above the fire-fighting efficiency of light water spray, more precisely, the fire extinguishing effectiveness of water mists is the fire extinguishing effectiveness far above light water spray.
The method that present universally recognized water mists produces has following: 1, high pressure 2, two-phase flow 3, shock 4, ionization 5, ultrasonic wave, and utilize the water mists that the method for 4 and 5 produces, for fire extinguishing, substantially be inoperative, present water mists production method is more first three method, what pump group formula fine water mist fire-extinguishing system utilized is first method: high pressure, because there is the participation of pressure, so the fine mist fire-fighting efficiency of pump group formula is better than the fire-fighting efficiency of Water spray.What bottle group type fine water mist fire-extinguishing system utilized is the first two method: high pressure, two-phase flow, because except the participation having high pressure to also have acceleration, therefore the fire-fighting efficiency of bottle group type fine water mist fire-extinguishing system is the fire-fighting efficiency higher than pump group formula fine water mist fire-extinguishing system, and apparatus of the present invention have employed first three method: high pressure, two-phase flow, shock, so the fire-fighting efficiency of extinguishing device of the present invention compares pump group formula and bottle group type extinguishing device, be bound to higher.
Also has the problem that very important, the extinguishing mechanism that to be exactly the extinguishing mechanism of this method be has been different from fine spray extinguisher completely existing, existing fine spray extinguisher is the combination by liquid fire extinguishing and extinction using gas, it is no matter the fine spray extinguisher of pump group formula or bottle group type, its operation principle is all water droplet is broken into water mists drip, to such an extent as to be that the aerial water mists that can suspend drips, reach the effect being similar to extinction using gas, by the effect realizing with cooling effect finally putting out a fire of suffocating that water mists drips, that a kind of total flooding mode realizes the emptying mode with making heat of vaporization of air, and the effect of high-pressure pump in these two kinds of modes and gas cylinder be not by energy directly and the energy that produces of flame combustion resist, but energy is come resist with fine mist spray head, its objective is by realizing producing with the impact of shower nozzle and extruding force the effect that water mists drips, pursue high pressure and the little water mists of particle diameter drips, just require that the aperture of fine mist spray head is less, its kinetic energy consumed when resisting with fine mist spray head will be larger, and the energy being in fact really used to put out a fire is few, water is liquid, and become the effect of similar gas, be actually the marginalisation to its physical characteristic, this aloft and not lands from water drop suspension just can find out, if containing a certain amount of kinetic energy in water droplet, certainly fall, and can not float skyborne.And we are in the design of invented thin water spray fire-extinguishing method and device, drip to water mists and impart higher kinetic energy, such water mists drips the extinguishing material just become containing kinetic energy, what this extinguishing method used is, and water mists drips+kinetic energy to resist the principle of flame combustion heat energy, such water mists device is used for fire extinguishing can more rapidly and effectively.Experiment shows, as long as this device knocks out the time of 1, the 2 seconds time of 233B oil tray fire model, this is that conventional pump group formula and bottle group water mist fire extinguishing cannot realize at all.Meanwhile, fine spray extinguisher of the present invention, largely solves defect and the drawback of existing fine water mist fire-extinguishing system.This suspension type fine spray extinguisher 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.Suspension type fine spray extinguisher normality is with no pressure simultaneously, and security is very high, and cost is also far below ductwork type fine water mist fire-extinguishing system.What is more important suspension type fine spray extinguisher solves ductwork type fire extinguishing system well and installs complicated disadvantage, fine mist fire-fighting is made no longer to be subject to the restriction of construction area and erection space, the place of various newly-built, reconstruction and enlarging can be widely used in, make water mists become a kind of convenience, the Novel fire extinguishing mode that simple and direct, efficient, cost performance is high.
Summary of the invention
Fine spray extinguisher of the present invention, for the defect of the existing fine water mist fire-extinguishing system described in previous Background, gives concrete and feasible solution.
The technical scheme that the present invention solves above technical problem is as follows:
Produce the method for fire extinguishing water mists by the mode of power conversion, comprise the following steps:
(1) electric current exported with current feedback circuit is to make the pharmacy work in gas generator;
(2) medicament in gas generator produces a large amount of gas and efficient heat energy in the mode of chemical combustion within the extremely short time;
(3) together with the high pressure formed with gas after efficient heat energy is converted to kinetic energy, the liquid extinguisher be stored in device promoted and exert pressure;
(4) liquid extinguisher be subject to kinetic energy, high pressure, the reaction force of device for mechanical structure and acceleration, device shower nozzle cutting and liquidate, under the acting in conjunction of above several combined factors energy, be broken into numerous water mists to drip, now complex energy is transferred on water mists drips;
(5) numerous water mists drips entrained complex energy, drip under the effect of the acceleration produced when two-phase flow is sprayed at water mists, be greater than object (solid, liquid, gas) burn the heat energy formed time, the complex energy that micro-water smoke drips resists combustion heat energy and clears up, burning terminates, and fire is knocked out.
The method producing fire extinguishing water mists according to claim 1, it is characterized in that: a large amount of gas produced in chemical combustion mode and combustion heat energy are the basic power source that this method is implemented, basic power source will convert to put out a fire effect efficiently to the kinetic energy competence exertion of liquid extinguisher.This is the most basic characteristics that the present invention is different from other fine spray extinguishers, this fine spray extinguisher comes energy-producing in the mode of chemical combustion, chemical combustion simple physics burning different from the past, in the process of burning, there occurs certain chemical reaction, the energy higher than ordinary combustion will be produced like this, the occurring mode of water mists device is in the past high-pressure hydraulic pump and bottled gases at high pressure, and power source of the present invention comes from a large amount of gas that chemical combustion produces and the large energy that chemical combustion produces.
The method producing fire extinguishing water mists according to claim 1, it is characterized in that: after basic power conversion becomes kinetic energy, through the cutting of the reaction force of device for mechanical structure and acceleration, device shower nozzle and to liquidate, liquid extinguisher could be dripped by the water mists be ground into containing high efficiency energy.Kinetic energy, high pressure, reaction force, acceleration, cut, liquidate, six fundamentals that this device produces water mists, the high pressure of basic kinetic energy and gas, produced by gas generator work, and reaction force, acceleration, cut, liquidate, be then realized by the mechanical property of device itself and physical characteristic.
The method producing fire extinguishing water mists according to claim 1, is characterized in that: under water mists drips the effect of the acceleration that contained high efficiency energy produces when two-phase flow is sprayed, energy promotes further.The superposition of this device to the energy of liquid extinguisher is divided into two-part, and a part is in device, utilizes kinetic energy, high pressure, reaction force, acceleration, cuts, these six methods producing water mists that liquidate realize.Another part produces after water mists is separated from device, the effect that the first six method produces is summed up as water mists+high efficiency energy by us, and another part energy is the method by acceleration after water mists release unit, two-phase flow principle when namely dripping injection by water mists realizes, water mists gushes out when dropping in injection together with gas, experimentally, the acceleration that single-phase flow when only having water mists to spray sprays when the two-phase flow added when spraying together with gas with water mists is sprayed can differ more than tens times, this is that is when the spray regime of two-phase flow, water mists drips and can obtain higher acceleration.This is also the spray regime of two-phase flow is the contribution margin that it provides after water mists drips separating device shower nozzle, after the high efficiency energy that this contribution margin and the first six method produce superposes, water mists can be made to drip the larger energy value of acquisition.
The method producing fire extinguishing water mists according to claim 1, it is characterized in that: the acceleration of the vaporization thermolysis that in this method, water mists drips, high efficiency energy, two-phase flow gas, is the most direct three factors that flame can knock out by extinguishing chemical.Water mists has had the factor of high efficiency energy and two-phase flow acceleration these two fire extinguishing after leaving extinguishing device, but the medium that water mists drips as fire extinguishing inherently has fire extinguishing function.Its fire extinguishing function is mainly vaporized the effect of heat absorption, this is the characteristic physical effect of water, what the body that water mists drips showed is especially obvious, more easily vaporize because water mists drips, and hydrone when vaporizing the heat taken away more than not have to vaporize just intensification time the heat taken away much higher, that is the radiating effect that drips of water mists is more far better than the radiating effect of water droplet for this.So water mists is when putting out a fire, water mists drips and becomes gas, has taken away more heat, and water droplet is when putting out a fire, or the water droplet of liquid state, and just heated up, the heat taken away will drip taken away heat much smaller than water mists.This is also the water mists reason that water damage is little when dripping fire extinguishing, because water becomes water vapour, vaporized, become gas, so after fine mist fire-fighting, the water stain meeting of scene of fire is few.
The method producing fire extinguishing water mists according to claim 1, it is characterized in that: the process of fire extinguishing is returned and is shown in the facedown process that water mists drips complex energy and combustion heat energy by this method, during fire extinguishing, the complex energy that water mists drips is greater than combustion heat energy and then can puts out a fire, otherwise then do not go out fire.Can whether whether the complex energy that water mists drips simultaneously distributes reasonable, can be not only that a part of complex energy acts on combustion heat energy by all complex energies, be another critical condition that knock out fire.This is the direct explanation to fire extinguishing, and the meaning is exactly that fire extinguishing will have two direct factors: energy whether enough+whether energy layout reasonable.When energy is inadequate, cannot put out a fire at all.And whether energy layout rationally refers to whether whole energy of fine spray extinguisher can be applied on combustion heat energy completely, if only the complex energy of some water mists instead of whole complex energies are applied on combustion heat energy in other words, will see whether this part of complex energy can exceed combustion heat energy, the words exceeded just can be put out a fire, otherwise, then can not put out a fire.In the application of reality, whether this installation referring to fine spray extinguisher of the present invention faces scene of fire, if just on scene of fire, when energy is enough, just can knock out fire, otherwise, if not facing scene of fire, what then energy just can not be whole plays a role, and just likely can not go out fire.
The method producing fire extinguishing water mists according to claim 1, it is characterized in that: this method realizes by concrete device, this device comprises: hang and hanging component, Multi-point temperature-sensing automatic current generator, gas generator, extinguishing chemical tank body, extinguishing chemical, water mists ejection assemblies and water filling port composition, wherein water mists ejection assemblies is made up of tank body spout assembly, water conservancy diversion frame and special shower nozzle, the special shower nozzle of the fine spray extinguisher of different model is different angle, and the setting height(from bottom) of extinguishing device must be corresponding with the angle of shower nozzle.Fine spray extinguisher of the present invention, do not need completely to use the annexes such as ductwork type high-pressure hydraulic pump that fine water mist fire-extinguishing system must have, storage cistern and pipe network, the fine mist fire-fighting system of this suspension type fine spray extinguisher inherently complete set, can automatic sensing environment temperature be passed through, realize the effect of self-extinguishing.This fine spray extinguisher normality is with no pressure, and safety and stability is very high.Liquid extinguisher can eject in the mode of water mists by the special shower nozzle of suspension type fine spray extinguisher of the present invention efficiently, fire-fighting efficiency is more much higher than Water spray, extinguishing device uses the water yield of liquid extinguisher very little simultaneously, secondary damage can not be caused to needing the article of protection, completely avoid Water spray water consumption large, serious to item spoilage, can product secondary damage and put out charged appliance fire time can the hidden danger of generation current infringement.
The water mists ejection assemblies of fine spray extinguisher of the present invention is by tank body spout assembly, water conservancy diversion frame and special shower nozzle composition, just because of the effect of this assembly, the liquid extinguisher of whole device just can be made to spray in the mode of water mists, reach good extinguishing effect, as without this assembly, then liquid extinguisher will spray instantaneously complete, and the angle of spraying and the water mists diameter of dripping all cannot ensure, be difficult to reach the predetermined fine mist fire-fighting effect of design, this assembly also serves the effect making water mists drip evenly diffusion injection simultaneously, greatly extend the flame failure protection space of extinguishing device, also enhance the flame failure protection effect of device.
Fine spray extinguisher of the present invention, it is characterized in that: this automatic fine spray extinguisher uses ellipse or conical tank body as liquid extinguisher memory, the spout of tank body is small-bore spout, tank body spout assembly is connected ring gasket with the hollow steel disc pressure ring of tongue with spout is formed by the reeded aluminium diaphragm of peripheral band, periphery, aluminium diaphragm there is special cut, the external water conservancy diversion frame of spout, water conservancy diversion frame is arranged with cross.In the spout slowly-releasing assembly of fine spray extinguisher of the present invention, the junction of tank body connector, aluminium diaphragm, these three assemblies of hollow steel disc pressure ring all scribbles fluid sealant.This hermetically-sealed construction can have good sealing effectiveness by assurance device.The reeded aluminium diaphragm of peripheral band simultaneously in fine spray extinguisher of the present invention there is cut, scratch depth is the 50%-75% of aluminium diaphragm thickness, cut divides three to take hexagonal angle as interval respectively from surrounding, occurs simultaneously, finally meet at central spot with form of straight lines to central point.Water conservancy diversion frame in apparatus of the present invention had both served the effect that slowly-releasing sprays herein, played again the effect of water conservancy diversion.
Fine spray extinguisher of the present invention, is characterized in that: the water conservancy diversion frame of this automatic fine spray extinguisher is provided with 4-5 special shower nozzle, this 4-5 shower nozzle is that cross is uniformly distributed, and the spray-hole on shower nozzle is that correlation shape is uniformly distributed.The installation of this opposite-flushing type fine mist spray head is undertaken by water conservancy diversion frame; at each end points of water conservancy diversion frame cross point, a fine mist spray head to be installed; at the right-angled intersection point place of water conservancy diversion frame, an opposite-flushing type fine mist spray head also to be installed simultaneously; the object done like this; that fine mist spray head can be uniformly distributed; to realize the harmony that water mists sprays, expand the protected area of fine spray extinguisher.The design of opposite-flushing type shower nozzle simultaneously has also taken into full account the mode that water mists produces: clash into, water mists is produced by shock mode, it is a unique distinction of this device, the utilization of shock mode, also make the injection aperture of this device shower nozzle much larger than the aperture of existing high-pressure water mist spray head, the object done so both to have avoided the blocking of spray orifice on shower nozzle, again can the kinetic energy that produces of releasing device better.
Fine spray extinguisher of the present invention, it is characterized in that: the gas generator of this automatic fine spray extinguisher has uniform radiation and convection structure, water repellent filter structure is added outside this gas generator, this fine spray extinguisher can start separately under the effect of current feedback circuit, also jointly can start with other extinguishing devices.This fine spray extinguisher has linkage function; to realize the protected mode of total flooding; this be this device can spread use precondition; if extinguishing device can only protect local space; and the protected mode of total flooding can not be realized; then its space used and place will be much smaller, also illustrate that this fire-fighting mode has its immature part simultaneously.
Accompanying drawing explanation
Fig. 1 is principle of the invention schematic diagram.
Fig. 2 is the overall cross-sectional schematic of apparatus of the present invention.
Fig. 3 is the formation schematic diagram of ejection assemblies in apparatus of the present invention.
Fig. 4 is the formation schematic diagram of tank body spout assembly in apparatus of the present invention.
Fig. 5 is the structural representation of gas generator in apparatus of the present invention.
Fig. 6 is the aluminium film cut schematic diagram in apparatus of the present invention.
Specific works principle of the present invention:
Refer to shown in Fig. 1, the mode of the present invention's power conversion produces principle and the method for fire extinguishing water mists.We can find out in the example shown, after gas generator work in fine spray extinguisher, create a large amount of gas and by combustion heat energy and chemical reaction impulsive force transform and the efficient kinetic energy formed, a large amount of gas and efficient kinetic energy can play to liquid extinguisher the effect promoting and exert pressure, and this active force and the reaction force of spout that produced by the frame for movement of device own, the acceleration of water conservancy diversion frame, the cutting force of shower nozzle and impulse force is played a role to liquid extinguisher jointly, under this acting in conjunction, make liquid extinguisher become water mists drip, eject from device shower nozzle, and ejection after water mists drop in the two-phase flow acceleration effect of gas under, with acceleration operation faster, such water mists drips+kinetic energy+high pressure+reaction force+acceleration+cutting force+to impulse force, just with the buoyancy emergence floor+interval flame zone+continuous flame district+combustion heat energy facedown formed of burning, the result of antagonism be exactly which stronger which get the upper hand, the former more before, fire is just knocked out, otherwise, fire does not just go out.
Refer to shown in Fig. 2, fine spray extinguisher of the present invention is made up of a few parts such as water mists ejection assemblies 1, suspension and hanging component 2, electric igniter 3, gas generator 4, extinguishing chemical 5, tank body 6 and water filling ports 7, and water mists ejection assemblies 1 is made up of a few parts such as tank body spout assembly 8, water conservancy diversion frame 9 and special shower nozzles 10.
The suspension of fine spray extinguisher of the present invention and hanging apparatus are as shown in Fig. 12, both the effect of hanging and lifting can have been played, can the wire of various lead-out wire and electric igniter be arranged on wherein again, thus effectively ensure that above several lead-out wire and wire not by the impact of extraneous adverse circumstances, Multi-point temperature-sensing automatic current generator can be added in this hanging apparatus simultaneously, and the design of this suspension and hanging apparatus, the multiple spot automatic temperature-sensed current feedback circuit of loading in it can be made to be in all the time in thermal-arrest district.This project organization both ensure that the integraty of device and the convenience of installation effectively, and scientifically achieving again can promptly automatic temperature-sensed and protect the function of various wire.
Figure 3 shows that the formation schematic diagram of water mists ejection assemblies, water mists ejection assemblies is made up of tank body spout assembly 1, water conservancy diversion frame 2 and special shower nozzle 3.In fire fighting test, we find at the scene, if liquid extinguisher is directly sprayed to the scene of a fire by tank body by this fine spray extinguisher after device starts, liquid extinguisher jet velocity can be made so too fast, and also do not reach extinguishing effect, liquid extinguisher has sprayed and has been over.Also make liquid extinguisher spray angle limited simultaneously; projected area is too small; can not spread completely; the space of protection does not reach predetermined requirement yet, can cause a large amount of water stain in the below of tank body, if be inflammable liquid at the below protected object of device simultaneously; also can cause the splash of liquid; form the trickling fire being difficult to put out, so not only do not have the effect of fire extinguishing, also can cause spreading and spreading of the intensity of a fire.In order to address this problem well; we must add ejection assemblies in the below of device; so just can play better jeting effect, simultaneously also can the protected area of expansion instrument and protective zone, make device can play good extinguishing effect better.
Figure 4 shows that the formation schematic diagram of tank body spout assembly.Tank body spout assembly is connected ring gasket 3 with the hollow steel disc pressure ring 2 of tongue with spout is formed by the reeded aluminium diaphragm 1 of peripheral band, periphery, scribbles fluid sealant 4 in the junction of these three assemblies.As shown in Figure 3, because add ejection assemblies, between tank body connector and aluminium film, and the seal problem between aluminium film and hollow steel disc pressure ring and spout seal steel ring is also vital problem, in experimenting, we find out that, because above several parts are all inelastic metals, be therefore easy to the phenomenon leaked air when pressure is excessive in tank body, this situation is of common occurrence in actual applications.Therefore above several parts are optimized design by us, tank body connector outer ring adds one groove, the periphery outer ring of aluminium diaphragm too increases one groove, simultaneously in order to compress aluminium diaphragm, on aluminium diaphragm, adding again the hollow steel disc pressure ring of a periphery with tongue, just can being closely engaged between the tongue and groove of such three parts, in order to increase seal, fluid sealant has been coated, as shown in Fig. 34 again at the tongue and groove position of these three parts.The seal of above assembly can be ensured like this, add spout seal steel ring in the outside of these three assemblies simultaneously, material is thus formed tight spout seal system, effectively ensure that functional reliability and the security of device.
As shown in Figure 5, the gas generator of fine spray extinguisher of the present invention, comprises the electric igniter 1 be assembled in gas generator, gas generating agent 2, shell 3, and aerogenesis mouth 4, water repellent filter cylinder 5, high density filter net 6, gas ejection ports 7 and sealant tape 8 form.This structural design can ensure the even injection of gas and the extinguishing effect of whole device effectively.The structural design of this gas generator, ensure that gas can spray equably well, form the structure of a circumference radiation, thus liquid extinguisher promptly even inflation under the pressure of this equalization gas can be made, until aluminium film is broken through spouting, to reach the effect of fire extinguishing rapidly.The gas generator of fine spray extinguisher of the present invention also will add water repellent filter structure outward simultaneously.After the electric igniter 1 be arranged in Fig. 5 in gas generator shell 3 is lighted, gas generating agent 2 can be made to light simultaneously, after the gas produced in gas generator sprays from aerogenesis mouth 4, filter through the high density filter net 6 be arranged in water repellent filter cylinder 5, gas after filtration can break through the sealant tape 8 that water repellent filter cylinder 5 outside is wound around, spray from gas ejection ports 7, this structural design can prevent water droplet from entering in gas-forming agent element, also can prevent any fragment of producing during aerogenesis or residue from falling in liquid extinguisher, thus effectively ensure that the safety and effectiveness of this extinguishing device and the good jeting effect of water mists.
As shown in Figure 6, the aluminium film of extinguishing device of the present invention has also carried out special processing and process, the reeded aluminium diaphragm 1 of peripheral band is carved with cut 6, the degree of depth of cut 6 is the 50%-75% of aluminium diaphragm thickness, cut divides three to be interval from surrounding with hexagonal angle, occur simultaneously to central point with form of straight lines, finally meet at central spot.Cut on aluminium film is to be broken through by aluminium film from cut when the air pressure in assurance device acquires a certain degree, our experiments show that, if the degree of depth of cut is less than 50% of aluminium film thickness, aluminium film is then substantially difficult to open smoothly in a short period of time, and scratch depth is greater than 75% of aluminium film thickness, easily again carry out cut at aluminium film and add and man-hour aluminium film is scratched, thus cause device to leak gas, therefore the degree of depth of cut to be the 50%-75% of aluminium diaphragm thickness be a desirable numerical value.
Detailed description of the invention
As shown in Figure 2, when the arbitrary temperature-sensitive point in the Multi-point temperature-sensing automatic current generator be connected with this device, perceive environment temperature reach or higher than set temperature time, then produce starting current in automatic current generator, electric igniter 3 in this device can ignite by starting current, instantaneously the gas generating agent in gas generator in device 4 can lighted after electric igniter ignites, produce a large amount of gas, after gas breaks through the aerogenesis mouth of gas generator shell, spray from the jet water repellent filter cylinder after high density filter net, with the form of covering of the fan radiation, gas is flowed along outer casing inner wall, liquid extinguisher 5 in this device can be carried out uniform stirring and form convection current by a large amount of gas within the extremely short time, liquid extinguisher 5 collects in the top of the aluminium diaphragm in tank body spout assembly 8, aluminium film is impacted and pressurizes, along with the continuous generation of gas, air pressure constantly increases, when air pressure exceedes the allowable stress of aluminium film cut, the intersection of three cuts of aluminium center membrane point will be washed open, the direction of aluminium film by cut is torn simultaneously, liquid extinguisher 5 sprays, liquid extinguisher 5 in tank body 6 rushes at shower nozzle 10 under the guiding of water conservancy diversion frame 9, water conservancy diversion frame had both served the effect of water conservancy diversion at this moment, also the effect of sustained release hypotensive is served, liquid extinguisher is made to be unlikely to all to go out in device, effectively extend the time that liquid extinguisher sprays, also space and the spray angle of liquid extinguisher injection is extended widely, the relative prolongation of this injecting time, and the expansion of jet space, most important for fully filling the air of water smoke in the scene of a fire, water smoke effectively filling the air in the scene of a fire both decreases water damage below jet, make again the extinguishing concentration that the concentration of water mists in the scene of a fire can reach designed, rapidly flame will be put out when the concentration of water mists reaches designed extinguishing concentration.
Claims (10)
1. produce a method for fire extinguishing water mists by the mode of power conversion, comprise the following steps:
(1) electric current exported with current feedback circuit is to make the pharmacy work in gas generator;
(2) medicament in gas generator produces a large amount of gas and efficient heat energy in the mode of chemical combustion within the extremely short time;
(3) together with the high pressure formed with gas after efficient heat energy is converted to kinetic energy, the liquid extinguisher be stored in device promoted and exert pressure;
(4) liquid extinguisher be subject to kinetic energy, high pressure, the reaction force of device for mechanical structure and acceleration, device shower nozzle cutting and liquidate, under the acting in conjunction of above several combined factors energy, be broken into numerous water mists to drip, now complex energy is transferred on water mists drips;
(5) numerous water mists drips entrained complex energy, drip under two-phase flow sprays the effect of the acceleration produced at water mists, be greater than object (solid, liquid, gas) burn the heat energy formed time, the complex energy that water mists drips resists combustion heat energy and clears up, burning terminates, and fire is knocked out.
2. the method producing fire extinguishing water mists according to claim 1, it is characterized in that: a large amount of gas produced in chemical combustion mode and combustion heat energy are the basic energy that this method is implemented, basic energy will convert to put out a fire effect efficiently to the kinetic energy competence exertion of liquid extinguisher.
3. the method producing fire extinguishing water mists according to claim 1, it is characterized in that: after basic power conversion becomes kinetic energy, through the cutting of the reaction force of device for mechanical structure and acceleration, device shower nozzle and to liquidate, liquid extinguisher could be dripped by the water mists be ground into containing high efficiency energy.
4. the method producing fire extinguishing water mists according to claim 1, is characterized in that: under water mists drips the effect of the acceleration that contained high efficiency energy produces when two-phase flow is sprayed, energy promotes further.
5. the method producing fire extinguishing water mists according to claim 1, it is characterized in that: the acceleration of the vaporization thermolysis that in this method, water mists drips, high efficiency energy, two-phase flow gas, is the most direct three factors that flame can knock out by extinguishing chemical.
6. the method producing fire extinguishing water mists according to claim 1, it is characterized in that: the process of fire extinguishing is returned and is shown in the facedown process that water mists drips complex energy and combustion heat energy by this method, during fire extinguishing, the complex energy that water mists drips is greater than combustion heat energy and then can puts out a fire, otherwise, then do not go out fire, whether the complex energy that water mists drips simultaneously distributes reasonable, can whether can be not only that a part of complex energy acts on combustion heat energy by all complex energies, be another critical condition that knock out fire.
7. the method producing fire extinguishing water mists according to claim 1, it is characterized in that: this method realizes by concrete device, this device comprises: hang and hanging component, Multi-point temperature-sensing automatic current generator, gas generator, extinguishing chemical tank body, extinguishing chemical, water mists ejection assemblies and water filling port composition, wherein water mists ejection assemblies is made up of tank body spout assembly, water conservancy diversion frame and special shower nozzle, the special shower nozzle of the fine spray extinguisher of different model is different angle, and the setting height(from bottom) of extinguishing device must be corresponding with the angle of shower nozzle.
8. the device producing fire extinguishing water mists according to claim 7, it is characterized in that: this automatic fine spray extinguisher uses ellipse or conical tank body as liquid extinguisher memory, the spout of tank body is small-bore spout, tank body spout assembly is connected ring gasket with the hollow steel disc pressure ring of tongue with spout is formed by the reeded aluminium diaphragm of peripheral band, periphery, aluminium diaphragm there is special cut, the external water conservancy diversion frame of spout, water conservancy diversion frame is arranged with cross.
9. the device producing fire extinguishing water mists according to claim 7, it is characterized in that: the water conservancy diversion frame of this automatic fine spray extinguisher is provided with 4-5 special shower nozzle, this 4-5 shower nozzle is that cross is uniformly distributed, and the spray-hole on shower nozzle is that correlation shape is uniformly distributed.
10. the device producing fire extinguishing water mists according to claim 7, it is characterized in that: the gas generator of this automatic fine spray extinguisher has uniform radiation and convection structure, water repellent filter structure is added outside this gas generator, this fine spray extinguisher can start separately under the effect of current feedback circuit, also jointly can start with other extinguishing devices.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301730.XA CN104941094A (en) | 2015-06-05 | 2015-06-05 | Method for generating firefighting water mist by using energy conversion mode and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301730.XA CN104941094A (en) | 2015-06-05 | 2015-06-05 | Method for generating firefighting water mist by using energy conversion mode and device thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110101998A (en) * | 2019-03-18 | 2019-08-09 | 深圳市鸿海盛特种消防科技有限公司 | Fine spray extinguisher |
| CN110975207A (en) * | 2019-12-31 | 2020-04-10 | 西安尚泰安全技术有限责任公司 | Rotary eruption type fire extinguishing device and fire extinguishing method |
| RU2761806C1 (en) * | 2021-06-03 | 2021-12-13 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Fire extinguishing module gas generator and kitchen equipment fire extinguishing system |
| CN114432628A (en) * | 2021-12-30 | 2022-05-06 | 湖北海山科技有限公司 | Perfluorohexanone extinguishing device |
-
2015
- 2015-06-05 CN CN201510301730.XA patent/CN104941094A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110101998A (en) * | 2019-03-18 | 2019-08-09 | 深圳市鸿海盛特种消防科技有限公司 | Fine spray extinguisher |
| CN110975207A (en) * | 2019-12-31 | 2020-04-10 | 西安尚泰安全技术有限责任公司 | Rotary eruption type fire extinguishing device and fire extinguishing method |
| RU2761806C1 (en) * | 2021-06-03 | 2021-12-13 | Общество с ограниченной ответственностью "Системы Пожаротушения" | Fire extinguishing module gas generator and kitchen equipment fire extinguishing system |
| CN114432628A (en) * | 2021-12-30 | 2022-05-06 | 湖北海山科技有限公司 | Perfluorohexanone extinguishing device |
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Application publication date: 20150930 |