CN1627972A - Automatic foam fire fighting equipment especially used as fixed installation equipment for fire fighting of large hydrocarbon storage tanks - Google Patents
Automatic foam fire fighting equipment especially used as fixed installation equipment for fire fighting of large hydrocarbon storage tanks Download PDFInfo
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- CN1627972A CN1627972A CNA02828996XA CN02828996A CN1627972A CN 1627972 A CN1627972 A CN 1627972A CN A02828996X A CNA02828996X A CN A02828996XA CN 02828996 A CN02828996 A CN 02828996A CN 1627972 A CN1627972 A CN 1627972A
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- Prior art keywords
- pneumatic
- foam
- fire
- detector
- main valve
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- Granted
Links
- 239000006260 foam Substances 0.000 title claims abstract description 84
- 238000003860 storage Methods 0.000 title claims description 36
- 239000004215 Carbon black (E152) Substances 0.000 title claims description 10
- 229930195733 hydrocarbon Natural products 0.000 title claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 10
- 238000009434 installation Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 26
- 238000007493 shaping process Methods 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 abstract description 3
- 238000003892 spreading Methods 0.000 abstract description 3
- 206010061218 Inflammation Diseases 0.000 abstract 1
- 230000004054 inflammatory process Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 48
- 239000000463 material Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000007775 late Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0036—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The automatic foam fire fighting equipment according to the invention has a tank, means for spreading fire extinguishing foam, pipeline and a main valve situated in the pipeline, and a detector, and its characteristic feature is that its tank is a foam tank (15) storing an overcompressed mixture of foam-forming compound, water, and foam generating and driving gas dissoluble or emulsive in the solution of the foam-forming compound and the water, which tank has a gas space (16), the means for spreading fire extinguishing foam is expanding nozzle (20, 22), further, its detector consists of at least two pneumatic detectors (31, 32; 35, 36) arranged to detect inflammation independently from each other in essentially the similar way, and the main valve (18) situated in the pipeline (17) connecting the foam tank (15) with the expanding nozzle (20, 22) is of pneumatic type, where the two pneumatic detectors (31, 32; 35, 36) monitoring the same area are in common controlling arrangement with each other, and they are in direct or indirect pneumatic controlling connection with the main valve (18), providing opening control signal to the main valve (18) in case of detecting fire.
Description
Invention field
The purpose of this invention is to provide a kind of self-extinguishing equipment.Owing to himself structure, it all neither needs to provide energy from the outside from starting to operation, and also not needing provides water from the outside.In addition, it also has the function that prevents error starting, therefore is especially suitable for use as the fixedly fire-extinguishing apparatus of the storage tank of flammable liquid, especially liquid hydrocarbon.Fire-extinguishing apparatus of the present invention has main valve and the detector in jar, the device that sprays fire foam, pipeline, the pipeline.
Background of invention
As everyone knows,, burn up from the liquid surface that catches fire to the jar and to have only the very short time, for example, for gasoline, have only several seconds if the liquid hydrocarbon storage tank catches fire.In addition, along with spreading of the intensity of a fire, per minute all can be burnt a large amount of liquid from the surface, and for example for gasoline, per minute will be burnt the thick one deck of 7mm.Cause too much environmental pollution and property loss for fear of a large amount of burnings because of hydrocarbon, be installed in fire-extinguishing apparatus on the storage tank preferably can be promptly start-up operation automatically, for this reason, must detect flare highly reliably, and fire foam is provided immediately, and foam must cover the surface of burning fast.
Be installed in the existing foam fire-fighting equipment on the liquid hydrocarbon storage tank, comprise the jar that stores into alveolation compound concentrate, independently fire demand water network or independently instrument, the pipeline network that connects these assemblies, one or several the pumps that are fit to supply forward water and/or foam solution of water pot, the mixing arrangement that produces foam solution, foam device, sprinkling fire foam, and the cut-off valve in the pipeline.In addition, these equipment also comprise and are used for driving pump motor or internal combustion engine, for these power-equipments provide the extra power of energy, make these equipment enter the detector of work, and they are arranged in the ad-hoc location of storage tank.Used detector can be mechanical type, air-driven type, hydraulic pressure type, electric power or electron type.Pneumatic detector be plastic pipe type or sprinkler head type, be full of overcompressed gas, especially air in most cases has baroswitch.
The fire-extinguishing apparatus of band pneumatic detector in the prior art, its working method is, in case catch fire, when gases are heated, they expand in the detector, thereby pressure increases the perhaps pressure decline because detector is impaired, the change of pressure makes baroswitch send the signal of telecommunication, the signal of telecommunication or the signal that is caused by the signal of telecommunication start pump, and start current with this, thereby equipment is started working.Flowing water at first mixes with becoming the alveolation compound, form foam solution, the foam solution that flows in the pipeline network mixes with air in foam device, form fire foam, with the available fire foam that reaches its final volume that obtains like this, deliver to the liquid surface that in storage tank, burns by the spout in required cross section or by the foam chamber.
The shortcoming of these equipment is, if the pressure in the detector changes because of certain error, for example because the damage that causes in the maintenance process, setup error, the defective of material, aging or cause sunshine overheated etc., detector just sends rub-out signal, will start fire-extinguishing apparatus, just as having caught fire.Fire-extinguishing apparatus will ceaselessly produce fire foam, and be ejected in the storage tank because of after the rub-out signal of detector starts automatically, oneself stop up to it, promptly up to confirm that detector sends be rub-out signal till.This has just wasted foam greatly, itself is exactly very big loss.Unknown losses comprises energy consumption, water consumption, need refill into alveolation compound or the like in fire-extinguishing apparatus.In addition, foam is as pollutant, must remove from the liquid hydrocarbon surface, and storage tank also has to turn to maintenance and/or reconstruct from production, and this brings very big loss again.Another trouble is harmful fire brigade's false alarm, and must pay certain cost.
Another shortcoming of these equipment is, their operation needs extra power, and the pump that uses these energy, thereby the running of equipment depends on the actual state of the energy and pump, and this is to cause a wrong latency equally.
With regard to existing device structure, people have paid a lot of effort, the network each several part that is specifically designed to fire extinguishing by foundation and maintenance is eliminated these shortcomings, for example, except that fire water network independently or independently the fire protection water tank, set up and safeguard that electric power networks independently is exclusively used in the work of fire-extinguishing apparatus, and/or prepare ready-to-use stand-by pump or the like.Set up and safeguard that independently the energy is a very big investment, and it does not have the reliability of self-extinguishing equipment indispensability in application.Because even an independently electric power networks is arranged, catch fire and blast in case be accompanied by storage tank, perhaps circuit is on fire, because the electric power networks instability, fire-extinguishing apparatus is also probably ineffective at crucial moment, it is slow perhaps to start.
Because there are above-mentioned many shortcomings in existing fire-extinguishing apparatus, is necessary to develop a kind of automatic bubble fire-extinguishing apparatus, its starts in time, move highly reliably, and the structure of preventing error starting is arranged.
Summary of the invention
Basic idea of the present invention is to eliminate above-mentioned shortcoming with fixed froth installation, and the energy that generation fire foam, the starting device and the equipment of keeping move stores easily.Therefore, main thought of the present invention is except being used for producing fire foam and the gas medium as the fire foam component, detector must be selected air-driven type for use, control device must be an air-driven type, producing also, the required energy of ejecting extinguishing foam must be stored in the equipment, as energy storage system, its form is ready-to-use supercompression non-flammable gases medium.
Therefore, the fixedly automatic bubble fire-extinguishing apparatus that is specially adapted to liquid hydrocarbon storage tank fire extinguishing of the present invention has main valve and detector in the device, pipeline, pipeline of jar, ejecting extinguishing foam.The principal character of described fire-extinguishing apparatus is that its jar is a foam tank, has stored alveolation compound, water and the foaming and the driving gas that dissolve in or be emulsifiable in into the alveolation compound aqueous solution.Jar has the gas compartment, the device of ejecting extinguishing foam is an expanding nozzle, in addition, its detector is made up of at least two pneumatic detectors, is used for surveying the condition of a fire in the mode of broadly similar independently of one another, connect in the pipeline foam tank and expanding nozzle main valve be air-driven type, two air-driven type detectors of monitoring the same area are positioned at a common control position each other, they are connected with the direct or indirect pneumatic control of main valve, in case the condition of a fire of detecting is just sent the control of turning signal to main valve.
Detailed Description Of The Invention
In a preferred implementation of described equipment, foamed gas and driving gas are a kind of gas, are preferably carbon dioxide.
In another preferred implementation of described equipment, foamed gas and driving gas are admixture of gas, are preferably the mixture that comprises carbon dioxide.
The volume of foam tank depends on and the amount that becomes alveolation compound and water corresponding to the fire foam amount that will produce in the fire-extinguishing apparatus of the present invention, add can be in becoming alveolation compound and water dissolving or the foaming of emulsification and the volume after driving gas or the admixture of gas supercompression.Chemical action does not take place with becoming alveolation compound and foamed gas and driving gas in jar, and withstand voltage.Jar inside exists volume to be not less than the gas compartment of jar volume 8%, when jar is in the normal state, has only gaseous substance in the gas compartment.Jar is furnished with the starting device of suitable placement, and---sub-valve of short tube etc.---are used for supplying the fire foam component, also are furnished with pressure gauge.
Being used for the expanding nozzle of ejecting extinguishing foam can have the structure of any routine, also can be so-called continuous linear nozzle, and can be furnished with pressure-compensating chamber or pressure compensation jar, also can be unworthy of.
The pipeline that connects foam tank and expanding nozzle is by the material manufacturing with desirable strength, and its diameter is selected according to the foam volume that will pass through under required pressure, and pipeline is connected on the position of the foam tank that stores liquid phase substance.
But the main valve in the pipeline is preferably the dibit conveyer of pneumatic control or the butterfly gate valve of being controlled by cylinder.
The structure of pneumatic detector itself is widely known by the people in the fire-extinguishing apparatus of the present invention.Be filled with the gas medium that pressure is higher than normal pressure in the pneumatic detector, for example air is preferably the gas that drives and/or foam.Detecting element temperature distortion in the detector, thereby internal gas pressure drops to normal pressure.This pneumatic detector can be the linear detector of plastic tube, explosion can take place after the plastic tube that wherein is filled with overcompressed gas was heated, also can be mounted in the detector of the band spray head on the metal tube, can deform after the detecting element that is installed in one or several spray head on the metal tube that is filled with overcompressed gas is heated.
In a preferred implementation of fire-extinguishing apparatus, to survey two pneumatic detectors of the condition of a fire in roughly similar mode independently of one another and can install like this, they are fixed near the tank wall inside edge, an apart preset distance.Like this, with respect to the liquid level in the storage tank, two detectors are in similar position basically, thereby in fact they survey the liquid level condition of a fire in same position, identical time, but they can send the fire signal independently of one another.
In fire-extinguishing apparatus of the present invention, the common control mode of two pneumatic detectors of monitoring same area is connected with the pneumatic control of main valve with them, can realize by different modes.Particularly, can connect realization by between two detectors, setting up logical, also can be connected by the input with two detectors and pneumatic logical "and" component and realize, wherein the output signal of pneumatic logic AND element is exactly the signal of control main valve.
A preferred implementation of fire-extinguishing apparatus is that it has the pneumatic control unit, and wherein pneumatic detector is connected to the input of pneumatic control unit, and the control input end of main valve is connected with the output of pneumatic control unit.This control module has such structure, in case the signal that indication is caught fire arrives and two inputs that pneumatic detector links to each other monitoring the same area, this signal just can send control signal at output, the order main valve open.
In the present invention is (for example to monitor several zones; in the storage tank of band protection ring set; these zones can be the zone of storage tank and the zone between protection ring set and the jar) and in the preferred implementation of the fire-extinguishing apparatus of exploitation, there are several pneumatic logic AND elements the pneumatic control unit and are connected pneumatic logic OR-element on the logical "and" component output.The input of pneumatic logic AND element (passing through shaping element rightly) has constituted the input of pneumatic control unit; acceptance is from the signal of the detector of monitoring the same area (for example zone of the interior zone of jar or protection ring set), and the output of pneumatic logic OR-element (passing through shaping element rightly) constitutes the output that is connected the pneumatic control unit on the main valve control output end.
In a preferred implementation of fire-extinguishing apparatus of the present invention, the pneumatic power source of pneumatic detector and pneumatic element is the gas compartment of foam tank.
In another preferred implementation, pneumatic detector and pneumatic element have the pneumatic power source unit, and it comprises the cylinder that voltage-stablizer is housed.It can be pneumatic power unit independently, also can with the parallel connection of the gas compartment of foam tank.The operation material of power source can be foamed gas and/or driving gas or the mixture that comprises these two kinds of gases, also can be some inactive gas, for example nitrogen.
Below in conjunction with accompanying schematic figure, more at large set forth the essence of automatic bubble fire-extinguishing apparatus of the present invention by preferred implementation.
Figure 1 shows that the structural representation that is installed in the fixedly fire-extinguishing apparatus on the storage tank, this equipment has the protection ring set, also shows the schematic diagram of its pneumatic work system simultaneously.
In this embodiment, the schematic construction of fire-extinguishing apparatus shown in Figure 1 is installed on the gasoline tank 10, and it has protection ring set 12.In this embodiment, the storage tank of band protection ring set has two to be subjected to guarded region, and one is the inner region of storage tank 10, and another is the zone between storage tank 10 and the protection ring set 12.
Fire-extinguishing apparatus has foam tank 15, expanding nozzle 20 and 22, and the foam pipeline 17 that connects foam tank 15 and expanding nozzle 20,22, this pipeline 17 links to each other with 20 with expanding nozzle 20 with foam tank 15, this pipeline 17 links to each other with expanding nozzle 20 foam tank 15 with 20, this pipeline 17 is communicated to the lower space of foam tank 15.Be inserted with pneumatic dibit reversible conveyor in the pipeline 17, as main valve 18.
Expanding nozzle 20 is enclosed within side within the storage tank 10 tank skin upper edge edge, can see from the fragmentary cross-sectional view of storage tank 10, and its slit points to tank skin.Similarly, the protection ring set 12 jacket wall upper edge that expanding nozzle 22 is enclosed within storage tank 10 along within side, shown in the fragmentary cross-sectional view of expanding nozzle 22 in the fragmentary cross-sectional view of protection ring set 12, its slit 23 points to jacket walls.
Fire-extinguishing apparatus has two plastic pipe type pneumatic detectors 31 and 32, and they are installed in submarginal place in storage tank 10 inner spaces, is positioned at expanding nozzle 20 belows, and in the tank skin inboard along storage tank 10, one below another, and each other at a distance of a preset distance.In addition; it also has two plastic pipe type pneumatic detectors 35 and 36; they are installed in submarginal place in protection ring set 12 inner spaces; be positioned under the expanding nozzle 22; be positioned at the jacket wall inboard; one below another, and each other at a distance of a preset distance, this can find out from the fragmentary cross-sectional view of protection ring set 12.
Like this, two detectors 31 in the storage tank 10 and 32 roughly close with respect to the position of liquid level, thereby in fact they can detect the condition of a fire of liquid level in the same manner, and also they can send the fire signal independently of one another.Similarly, two detector 35 of protection in the ring set and 36 also roughly close with respect to the position of liquid level, thereby in fact they can detect the condition of a fire of liquid level in the same manner, and also they can send the fire signal independently of one another.
Fire-extinguishing apparatus has pneumatic control unit 40, and pneumatic detector 31,32 links to each other with the input of pneumatic control unit 40 with 37,38 by pneumatic tube 33,34 independently with 35,36.The output of pneumatic control unit 40 is connected to control input end as the pneumatic two-way dibit conveyer of main valve 18 by pneumatic control conduit 45.
Pneumatic control unit 40 has two pneumatic elements 61 and 63 to realize the logical operation, has the pneumatic element 65 on the output that is connected two pneumatic elements 61 and 63 to realize the logical "or" operation.The pneumatic detector 31 and 32 that is positioned at storage tank 10 inner spaces is connected to the input of first pneumatic element 61 by conduit 33 and 34 via signal shaping element 56 and 57.The pneumatic detector 35 and 36 that is positioned at protection ring set 12 inner spaces is connected to the input of second pneumatic element 63 by conduit 37 and 38 via signal shaping element 58 and 59.The output of pneumatic element 65 forms the output of pneumatic control unit 40 by signal shaping element 67.
The pneumatic power source of described fire-extinguishing apparatus is the gas compartment 16 of foam tank 15, this gas compartment 16 is connected to the supply output terminal of pneumatic control unit 40 by supply conduit 41, and is connected to supply input as the pneumatic dibit reversible conveyor of main valve 18 by supply conduit 43.
Each input of the pneumatic control unit 40 of fire-extinguishing apparatus is connected to its supply input by pneumatic choke elements 51,52,53 and 54 independently.
Before fire-extinguishing apparatus is had an effect, foam tank 15 is filled into the aqueous solution of alveolation compound by suitable openings, and solubilized and/or can be emulsifiable in supercompression foamed gas and driving gas in the solution, be preferably the carbon dioxide that can satisfy two purposes, and the safety valve (not shown) in main valve 18 and the conduit is in the closed position.In addition, by supply conduit 41 and pneumatic control module 40, plastic pipe type pneumatic detectors 31,32,35 and 36 is abrim from the Compressed Gas of the gas compartment 16 of foam tank 15; By supply conduit 43 and pneumatic control module 40, main valve 18 is in the closed position of precompressed.
Like this, equipment just is in and treats mode of operation.
If the pressure in the pneumatic detector 35,36 on pneumatic detector on the storage tank 10 31,32 or the protection ring set 12 changes, promptly indicating the generation of fire, then device start.In this embodiment, explosion at high temperature takes place in the plastic tube of detector, thereby the pressure in the detector drops to normal pressure.
The pressure signal that drops to normal pressure is delivered to the signal shaping element 56,57 that links to each other with the corresponding input of pneumatic control unit 40 and/or 58,59 input by conduit 33,34 and/or 37,38.As a result, output signal a pair of or two pairs of signal shaping elements changes.Because two input signals change simultaneously, be connected to the pneumatic element 61 on signal shaping element 56,57 outputs and/or the pneumatic element 63 that is connected on signal shaping element 58,59 outputs just sends the fire signal to one or two input of pneumatic element 65.Therefore, by the pneumatic control conduit 45 that is connected on the pneumatic control unit 40, the centre is inserted with signal shaping element 67, pneumatic element 65 just will be converted to opening as the pneumatic two-way dibit conveyer of main valve 18.
After main valve 18 was in opening, the over pressure in the foam tank 15 extruded fire foam to come from foam tank 15, and fire foam comprises into the mixture of alveolation compound and water and is dissolved in wherein foamed gas.The compression fire foam just enters expanding nozzle 20 and/or 22 by foam pipeline 17.When the slit of fire foam by expanding nozzle 20,22 of compression enters the storage tank 10 normal pressure under and/or protect the inner space of ring set 12, the supercompression foamed gas that is dissolved in the solution is just heaved foam, and its volume is corresponding to the volume under the normal pressure.Like this, foam solution is converted into foam stream.Therefore, fire foam occurs in appropriate position and finishes in the time.
Expanding nozzle 20,22 is along tank wall or protection ring jacket wall ejecting extinguishing foam, and foam flows to liquid level along wall, and cooled inner wall forms insulating barrier on the other hand on inwall on the one hand, makes inwall and flame and heat isolated.When foam arrived the liquid level of burning, it just floated on the liquid level, moves to liquid level central authorities from tank skin or protection ring jacket wall, covers liquid level gradually.Because the foam supply continually, foam is closed gradually, has reduced the free combustion area of liquid level, is extinguished by the lip-deep fire of foam coverage simultaneously.The foam that swims on the liquid level closes up at the center, and perhaps, for floating roof tank or contain the storage tank of protecting ring set, foam arrives foam barrier or tank skin, and surrounds it.Like this, foam makes the surface of burning and oxygen isolated, thereby reaches the fire extinguishing purpose by covering exposed liquid level.Fire-extinguishing apparatus of the present invention has knocked out 500m in the experimental tank in 30 seconds
2Lip-deep raging fire.
When choke elements 51,52,53,54 can guarantee that the pressure of decline in impelling the gas compartment of pressure in the pneumatic detector becomes pneumatic power, its late effect was within acceptable degree.
Guarantee that the measure that error starting do not take place fire-extinguishing apparatus of the present invention is a kind of like this structure; thereby promptly have only the pressure that ought be installed in two pneumatic detectors 31,32 in the storage tank 10 or be installed in the pneumatic detector of protecting in the ring set 12 35,36 to change simultaneously when indicating fire, pneumatic control unit 40 just sends the fire signal.
If have only the pressure of a pneumatic detector to change in storage tank 10 or the protection ring set 12; the pressure that perhaps is installed in two pneumatic detectors of diverse location changes; control module 40 will can be used as the fire signal to it, thereby can not send the fire control signal of indication.
Fire-extinguishing apparatus also can be made like this, and the expanding nozzle 20 in the storage tank 10 is connected with the foam tank 15 that has independent main valve, and the expanding nozzle 22 in the protection ring set 12 is connected with the foam tank 15 that contains another main valve.40 of the control modules of this equipment are opened a main valve or another main valve, or open two main valves simultaneously, specifically depend on the signal that receives from pneumatic detector, thereby have only jar, or have only the protection ring set, or the two is full of foam simultaneously.
In a simple embodiment of fire-extinguishing apparatus of the present invention, have only two pneumatic detectors to be installed in the storage tank.In this embodiment, when the pressure in two pneumatic detectors changed because of catching fire, control module 40 sent signal, opens main valve.
Fire-extinguishing apparatus of the present invention also can be made like this, make it have independently pneumatic power unit, this unit comprises the cylinder that manostat is housed, be filled with the foamed gas and the driving gas that add in the cylinder, perhaps be filled with inessential gas with respect to adding foamed gas and driving gas and environment.In the safe and reliable especially embodiment of this equipment, the pneumatic power unit that comprises the cylinder that manostat is housed is to be used in combination with the gas compartment 16 of foam tank 15.
The major advantage of fire-extinguishing apparatus of the present invention is, all required energy of its work, promptly open main valve, produce fire foam and it is delivered to all required energy of fire extinguishing position from jar, all the form with pressure energy stores, because supercompression foamed gas and/or driving gas fill in the foam tank of equipment, the supercompression energy is kept in the jar.Therefore no matter as the state of pump how, fire-extinguishing apparatus is in waits the state sent out at any time, can at any time start automatically, and no matter whether other networks exist as electric power networks, discharging network, fuel tank, also their duty.
Other major advantages of present device are that its detector is a pneumatic detector.Therefore, if there is power pressure, then detector can be had an effect at any time automatically.Because when fire takes place, the detector output signal of transmission information is a pneumatic signal, and sort signal is preferably, and the pressure from kinetic pressure power to normal pressure descends in the detector, so need a kind of operation material during equipment work, this operation material is comparatively selected foamed gas and/or the driving gas with certain pressure for use.As seen, in this case, be that operation material has been stored institute's energy requirement, with the supply equipment operation, make the operation material transmission be loaded with the signal of equipment operation information needed simultaneously.Another advantage is that by detector set being made into the logic connection, equipment just can not play use because of the error detector signal in practical operation.
After adjusting according to actual needs, fire-extinguishing apparatus of the present invention can be installed in the fuel reservoir of virtually any size, and pneumatic detector is installed in position as required, pneumatic detector is organized into several logics to be connected, in some cases a pneumatic detector is organized into several connections, and use the main valve of one or several pneumatic control unit controls Guan Yizhong, to several expanding nozzles supply fire foams independently.
Fire-extinguishing apparatus of the present invention also can be used as the fixedly self-extinguishing equipment of the several storage tanks of independent protective respectively.
Fire-extinguishing apparatus of the present invention is especially suitable for use as liquid hydrocarbon such as gasoline, kerosene, oil etc., or other flammable liquids, as the fixedly fire-extinguishing apparatus of the storage tank of alcohol or other solvents.But it also can be used on fixedly automatic bubble fire-extinguishing apparatus of other local conducts, for example stores the warehouse of combustible material etc.
Claims (9)
1. automatic bubble fire-extinguishing apparatus, it is specially adapted to the permanent plant as the fire extinguishing of liquid hydrocarbon storage tank, it has device, the pipeline of jar, ejecting extinguishing foam and is arranged in the main valve of pipeline, and detector, it is characterized in that, its jar is a foam tank (15), has stored the foamed gas and the driving gas that become alveolation compound, water and be dissolvable in water or be emulsifiable in into the alveolation compound aqueous solution.The gas compartment (16) is arranged in the jar, and the device of ejecting extinguishing foam is expanding nozzle (20,22), and in addition, its detector is by at least two pneumatic detectors (31,32; 35,36) form, be used for surveying the condition of a fire in the mode of broadly similar independently of one another, main valve (18) in the pipeline (17) is connected to the foam tank of expanding nozzle (20,22), and this main valve is an air-driven type, wherein monitors two air-driven type detectors (31,32 of the same area; 35,36) arrangement each other has been the monitored in common effect, and they are connected with main valve (18) pneumatic control directly or indirectly, in case detect flare, just send the control of turning signal to main valve (18).
2. the described fire-extinguishing apparatus of claim 1 is characterized in that foamed gas and driving gas are a kind of gas, are preferably carbon dioxide.
3. the described fire-extinguishing apparatus of claim 1 is characterized in that foamed gas and driving gas are a kind of admixture of gas, are preferably the mixture that comprises carbon dioxide.
4. any one described fire-extinguishing apparatus among the claim 1-3 is characterized in that pneumatic detector (31,32; 35, can be line detector 36), or be installed in the detector of the band spray head on the metal tube.
5. any one described fire-extinguishing apparatus among the claim 1-4 is characterized in that pneumatic detector (31,32; 35,36) can install like this, they are fixed near the tank wall inside edge, an apart preset distance.
6. any one described fire-extinguishing apparatus among the claim 1-5 is characterized in that it has pneumatic control unit (40), pneumatic detector (31,32; 35,36) input with pneumatic control unit (40) is connected, the control input end of main valve (18) is connected with the output of pneumatic control unit (40), this control module (40) has such structure, in case the signal that indication is caught fire arrives it and two pneumatic detectors (31,32 of monitoring the same area; 35, the 36) input of Xiang Lianing, it can send control signal at output, and order main valve (18) is opened.
7. any one described fire-extinguishing apparatus among the claim 1-5, it is characterized in that there are several pneumatic logic AND elements (61,63) pneumatic control unit (40) and are connected pneumatic logic OR-element (65) on the logical "and" component output, the input of pneumatic logic AND element (61,63) has constituted the input of pneumatic control unit (40) rightly by shaping element (56,57,58,59), accept the detector (31,32 from monitoring the same area (for example interior zone of jar or protection ring set zone); 35, signal 36), and the output of pneumatic logic OR-element (65) constitutes the output that is connected the pneumatic control unit on main valve (18) control input end by shaping element (67) rightly.
8. any one described fire-extinguishing apparatus among the claim 1-7 is characterized in that pneumatic detector (31,32; 35,36) and the pneumatic power source of pneumatic element be the gas compartment (16) of foam tank.
9. any one described fire-extinguishing apparatus among the claim 1-8 is characterized in that pneumatic detector (31,32; 35,36) and pneumatic element the pneumatic power source unit is arranged, it comprises the cylinder that manostat is housed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU0201260A HU225884B1 (en) | 2002-04-17 | 2002-04-17 | Automatic fire fighting apparatus using foam especially for liquid hydrocarbon containers |
| HUP0201260 | 2002-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1627972A true CN1627972A (en) | 2005-06-15 |
| CN100540092C CN100540092C (en) | 2009-09-16 |
Family
ID=89980366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02828996XA Expired - Fee Related CN100540092C (en) | 2002-04-17 | 2002-12-30 | Be used in particular for the fixedly automatic bubble fire-extinguishing apparatus of large-scale hydrocarbon storage tank |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1534394B1 (en) |
| JP (1) | JP2005530526A (en) |
| CN (1) | CN100540092C (en) |
| AT (1) | ATE337831T1 (en) |
| AU (1) | AU2002358919A1 (en) |
| DE (1) | DE60214442T2 (en) |
| EA (1) | EA006175B1 (en) |
| HU (1) | HU225884B1 (en) |
| SI (1) | SI1534394T1 (en) |
| UA (1) | UA78781C2 (en) |
| WO (1) | WO2003086546A1 (en) |
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| CN105056432A (en) * | 2015-07-09 | 2015-11-18 | 福建新偌环境科技有限公司 | Multifunctional energy storage and pressure storage device |
| CN105056434A (en) * | 2015-07-09 | 2015-11-18 | 福建新偌环境科技有限公司 | Trailer fire extinguishing device with foam carrying pressure and expanding actively |
| CN105107106A (en) * | 2015-08-18 | 2015-12-02 | 洛阳市四洲水能发电科技有限公司 | Intelligent firefighting self-rescue system for dangerous goods storage |
| CN105214268A (en) * | 2015-10-26 | 2016-01-06 | 大连福佳·大化石油化工有限公司 | The storage tank froth fire extinguishing system improved |
| CN105688351A (en) * | 2014-11-25 | 2016-06-22 | 贵阳铝镁设计研究院有限公司 | Method and apparatus for preventing fire spreading after fire top explosion of oil tank |
| CN110507931A (en) * | 2018-05-22 | 2019-11-29 | 青岛诺诚化学品安全科技有限公司 | External liquefied medium self-expansion type foam fire fighting system |
| CN110507930A (en) * | 2018-05-22 | 2019-11-29 | 青岛诺诚化学品安全科技有限公司 | Built-in liquefied medium self-expansion type foam fire fighting system |
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| RU2616848C1 (en) * | 2015-09-08 | 2017-04-18 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ "ВСЕРОССИЙСКИЙ ОРДЕНА "ЗНАК ПОЧЕТА" НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ИНСТИТУТ ПРОТИВОПОЖАРНОЙ ОБОРОНЫ МИНИСТЕРСТВА РОССИЙСКОЙ ФЕДЕРАЦИИ ПО ДЕЛАМ ГРАЖДАНСКОЙ ОБОРОНЫ, ЧРЕЗВЫЧАЙНЫМ СИТУАЦИЯМ И ЛИКВИДАЦИИ ПОСЛЕДСТВИЙ СТИХИЙНЫХ БЕДСТВИЙ" (ФГБУ ВНИИПО МЧС России) | Method for fire protection of reservoirs for storage of liquid combustibles and system therefor |
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| US10463898B1 (en) * | 2018-07-19 | 2019-11-05 | Jaco du Plessis | Expandable fire-fighting foam system, composition, and method of manufacture |
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-
2002
- 2002-04-17 HU HU0201260A patent/HU225884B1/en not_active IP Right Cessation
- 2002-12-30 JP JP2003583554A patent/JP2005530526A/en active Pending
- 2002-12-30 UA UA20041109438A patent/UA78781C2/en unknown
- 2002-12-30 AU AU2002358919A patent/AU2002358919A1/en not_active Abandoned
- 2002-12-30 DE DE60214442T patent/DE60214442T2/en not_active Expired - Lifetime
- 2002-12-30 AT AT02793261T patent/ATE337831T1/en not_active IP Right Cessation
- 2002-12-30 CN CNB02828996XA patent/CN100540092C/en not_active Expired - Fee Related
- 2002-12-30 EP EP02793261A patent/EP1534394B1/en not_active Expired - Lifetime
- 2002-12-30 EA EA200401387A patent/EA006175B1/en not_active IP Right Cessation
- 2002-12-30 SI SI200230441T patent/SI1534394T1/en unknown
- 2002-12-30 WO PCT/HU2002/000177 patent/WO2003086546A1/en active IP Right Grant
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688351A (en) * | 2014-11-25 | 2016-06-22 | 贵阳铝镁设计研究院有限公司 | Method and apparatus for preventing fire spreading after fire top explosion of oil tank |
| CN105056432A (en) * | 2015-07-09 | 2015-11-18 | 福建新偌环境科技有限公司 | Multifunctional energy storage and pressure storage device |
| CN105056434A (en) * | 2015-07-09 | 2015-11-18 | 福建新偌环境科技有限公司 | Trailer fire extinguishing device with foam carrying pressure and expanding actively |
| CN105107106A (en) * | 2015-08-18 | 2015-12-02 | 洛阳市四洲水能发电科技有限公司 | Intelligent firefighting self-rescue system for dangerous goods storage |
| CN105214268A (en) * | 2015-10-26 | 2016-01-06 | 大连福佳·大化石油化工有限公司 | The storage tank froth fire extinguishing system improved |
| CN110507931A (en) * | 2018-05-22 | 2019-11-29 | 青岛诺诚化学品安全科技有限公司 | External liquefied medium self-expansion type foam fire fighting system |
| CN110507930A (en) * | 2018-05-22 | 2019-11-29 | 青岛诺诚化学品安全科技有限公司 | Built-in liquefied medium self-expansion type foam fire fighting system |
Also Published As
| Publication number | Publication date |
|---|---|
| HU225884B1 (en) | 2007-11-28 |
| DE60214442D1 (en) | 2006-10-12 |
| ATE337831T1 (en) | 2006-09-15 |
| SI1534394T1 (en) | 2007-02-28 |
| CN100540092C (en) | 2009-09-16 |
| DE60214442T2 (en) | 2007-09-13 |
| EA006175B1 (en) | 2005-10-27 |
| JP2005530526A (en) | 2005-10-13 |
| HUP0201260A2 (en) | 2003-12-29 |
| WO2003086546A1 (en) | 2003-10-23 |
| AU2002358919A1 (en) | 2003-10-27 |
| HU0201260D0 (en) | 2002-06-29 |
| EP1534394B1 (en) | 2006-08-30 |
| EA200401387A1 (en) | 2005-04-28 |
| UA78781C2 (en) | 2007-04-25 |
| EP1534394A1 (en) | 2005-06-01 |
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