CZ2018550A3 - Extinguishing balloon - Google Patents

Abstract

The extinguishing balloon is intended for extinguishing a fire by transporting the extinguishing agent directly to the place of contact with the fire in the balloon in concentrated form (as opposed to the usual spraying from a hose) and here HB bursts and sprays the concentrated extinguishing agent on the fire under its own weight. By transporting the extinguishing agent to the place of contact with the fire in concentrated form compared to normal spraying with a hose, the efficiency increases extinguishing up to 100 times compared to spraying the same extinguishing agent with a hose or dropping the extinguishing agent from a hanging container only by releasing the extinguishing agent itself air and partially evaporated before contact with fire the more from which it is released. On the contrary, the effectiveness of HB is higher the higher the height from which it is discharged (the effective extinguishing area is larger). HB falls at a speed of about 120 km / h (from a height of 100 meters).

Description

Technical field • Extinguishing large and intense fires

The extinguishing balloon (“HB”) is best used for extinguishing large and intense fires such as:

- forest and vegetation fires

- fires in halls and industrial units accessible from above (sunken ceiling / openings in the ceiling) or from the side (windows / openings)

- fires of residential buildings accessible from above (sunken ceiling / openings in the ceiling) or from the side (windows / openings)

- extinguishing steel gas cylinders or a tank with combustibles occurring near or in a fire

Prior art

Current fire-fighting methods for which the use of HB is appropriate:

• Fire hose by spraying extinguishing agent

This is the most common way to put out fires, even large-scale fires. The flow of extinguishing agent from the hose is very strong, but nevertheless there is a substantial dispersion of the extinguishing agent (air resistance) before the impact (the dispersion of the flow occurs almost immediately after the extinguishing agent has been sprayed from the hose). This dispersion and reduction of the extinguishing agent concentration will cause a significant reduction in the extinguishing efficiency, and further cause partial evaporation of the extinguishing agent according to the intensity of the heat at the fire site (and thus a further reduction in the extinguishing efficiency). Thus, at the moment of extinguishing of the extinguishing agent on the fire, the extinguishing agent is not concentrated, but is dispersed, and the extinguishing efficiency is thus substantially reduced.

Source: https: Acs, wj kipedi a. OrgAsi ki / Po% C5% BE% C3% Aim% C3% AD_ hadsce • Direct discharge (dispersion) of extinguishing agent from a height:

When applying this method of firefighting, extinguishing agent is discharged directly from the height of the packaging (metal, rubber, plastic, etc.), hung firmly on an aircraft, helicopter or other aircraft equipment (drone, etc.) - the packaging is not released and does not fall on fire. Shortly after being discharged from the aircraft, the extinguishing agent is still dispersed by air resistance at a height, so that there is a substantial reduction in the extinguishing agent concentration (and thus a reduction in extinguishing efficiency), and there is partial evaporation of extinguishing agent according to the intensity of fire at the fire site. ). Thus, at the moment of extinguishing agent extinguishing the fire (flames), the extinguishing agent is not concentrated, but is dispersed, and the extinguishing efficiency is substantially reduced.

Examples of such a solution are:

- rubber or plastic bags with a volume of about 1-3 m ³ - these bags are usually hung under a helicopter. There are many suppliers of such a solution.

Source: ItttpsEfes.wjkspedia.orgAsiki / Ban'iby va.k

- rigid containers (metal or plastic) with a volume of about 10 m ³ - these containers are usually built into the fuselage or seaplane. There are many suppliers of such a solution around the world.

- Source:

- 1 CZ 2018 - 550 A3

- rigid containers (metal or plastic) with a volume of several m ³ - these containers are usually suspended under a helicopter or aircraft. Examples are Patent No. "EP 2347798 A1" (see below) and Patent No. "EP 2813265 T3" (see below).

• Indirect discharge (dispersion) of extinguishing agent from a height:

Paper or rubber containers with an extinguishing agent are discharged (dropped) from a height, which is dispersed (by an explosion or otherwise) shortly after being discharged from the aircraft at a height, so that the extinguishing agent concentration is dispersed and reduced (and thus fire extinguishing) decreases. partial evaporation of the extinguishing agent occurs according to the intensity of the heat at the place of the fire (and thus a further reduction in the effectiveness of the extinguishing). Thus, at the moment of extinguishing agent extinguishing the fire (flames), the extinguishing agent is not concentrated, but is dispersed, and the extinguishing efficiency is substantially reduced.

Specific applications of methods for discharging (dispersing) extinguishing agent from a height:

Actively controlled means of transporting a fire extinguisher - patent No. EP 1845017 A2 (Bordallo Alvarez, Luis Maria) dated 17.10.2007

In this case, it is a specific implementation of the method "indirect discharge of extinguishing agent from a height" (see above). The extinguishing agent is placed in a container / package in the shape of a glider, which is launched from the aircraft or helicopter and directed to the fire by means of control wings and a precise navigation mechanism (several guidance methods). It is extremely difficult to guide the glider exactly to the target for two reasons: (i) on the one hand, the glider must have considerable speed to glide (not fall), which means great inaccuracy with the slightest deviation from crosswind, headwind or tailwind flight without returning to the intended target. , and (ii) on the one hand, there are unstable rising currents of hot air ("thermals" used by gliders for ascent) above large fires, which determine the glider's navigation, and precise guidance, which would be possible in still air, will not be feasible. After the impact of the glider and the release of the extinguishing agent, the glider is reusable for further extinguishing - after extinguishing the fire, but only if the glider is not destroyed, which is unlikely for large fires (probably the glider burns or partially destroys). Although the navigation system is referred to as "accurate", the actually achievable application accuracy of this extinguishing agent will be very low (glider speed, hilly terrain, rising hot air currents, etc.) compared to accurate HB launch (Fire Balloon, HB, object of the present invention). ), which falls in a free fall (vertically accurate even in crosswinds - the weight is hundreds of kg and the fall time of a unit of seconds, the shape of the ball is aerodynamically resistant to crosswinds) and the helicopter can maneuver very precisely from a safe height ropes - the exact vertical and its extended trajectory is the point of impact of HB.

Special container for direct discharge of extinguishing agent - patent No. EP 2347798 Al (Saurina Casals, Joan), 27.7.2011

In this case, it is a specific implementation of the method of "direct discharge of extinguishing agent from a height" (see above). This is a spherical plastic container, which is firmly mounted on the helicopter and from which the extinguishing agent is discharged, see above as well as from the bamboo bag. It is therefore a different method of extinguishing compared to the Fire Balloon (HB) with all the disadvantages of the method of "direct discharge of extinguishing agent from height" (see above - significant reduction in efficiency by dispersal after discharge from the container and evaporation of extinguishing agent in tens of meters above fire, where already exposed to heat). HB will fly through this area in 1-2 seconds and the heat in this area will not act on the HB package long enough for the HB to disintegrate before it hits the fire. In addition, the HB package is cooled from the inside by the HB extinguishing agent.

EP 2813265 T3 (Big Blue Systems), 15.8.2013

- 2 CZ 2018 - 550 A3

In this case, it is a container in two variants, where the container is always firmly attached to the aircraft (either the fuselage or its wing is indicated). Container location variants are external (outside the aircraft) or internal (inside the aircraft). The containers are attached to the aircraft by a fixing mechanism (various fixing methods for the internal and external container are given). The containers contain tanks with an extinguishing agent which is pressurized in the tank, and the tanks are therefore designed to be rigid to withstand the pressure of the extinguishing agent. The tanks are filled on the ground (hangar) after they are placed in a container.

The extinguishing method is always "direct discharge of the extinguishing agent from a height" (see above).

The external container is a longitudinal spherical shape (with respect to aerodynamics), which is firmly mounted on the aircraft (on the fuselage or wing) and from which the extinguishing tanks are discharged through an openable lid (external container). The extinguishing agent is dispersed in the air before it hits the fire (extinguishing).

The internal container differs from the external one by the use of hinged sides to drain the extinguishing agent tank (probably through an opening in the floor of the aircraft - this is not stated). The extinguishing agent is dispersed in the air before it hits the fire (extinguishing).

The material of the extinguishing agent tanks is not mentioned - the tank material (and the method of dispersing the extinguishing agent) is obviously different from the HB material (subject of this description) and the method of dispersing the extinguishing agent in HB, as the tanks must be made of higher pressure material (than atmospheric pressure in HB) - see paragraph [0003]: "... receptacles, which are resistant enough to be able to endure the pressure of the material stored inside them ...". The material of the HB casing is different from the material of these tanks and the HB material is part of the essential invention of HB - it is not very strong - just enough to burst easily when HB hits the ground and provide minimal resistance to dispersion of the extinguishing agent in HB. Thus, the essence of the invention (patent) HB differs from the essence of the patent "EP 2813265 T3".

There is no way to disperse the extinguishing agent after the tank has fallen to the ground - the tanks are made of solid material to withstand the pressure of the extinguishing agent (see previous paragraph). The author of the patent "EP 2813265 T3" states in paragraph [0003] that "tanks may also explode or burst on impact with the ground" ("... receptacles may also easily burst or break upon impact with the surface of the ground ... ”), Without specifying what other (main) method of dispersing the extinguishing agent will be performed. The description of HB (the subject of this description of the invention), on the other hand, gives a precise mechanism for dispersing the extinguishing agent (by rupture of the HB package by its own weight due to high impact speed) and the extinguishing effect using HB.

There is no way to release the filled tank from the external container, where the patent only mentions the existence of an openable lid, but the tank at that moment hangs on the container behind the filling valve (Fig. 1, element 4 - fill valve). In this context, the drawing contains a defect in detail (detail of element 4 in the circular section of the drawing Fig. 1), where the tank mountings (element 3) and filling valve (element 4) are drawn differently here (detail therefore contains a different solution than the overall drawing Fig. 1). 1) and the method of attaching the element 4 to the element 3 does not allow the tank to be released from the external container.

There is no way to release the filled tank from the internal container (in the aircraft), where the patent "EP 2813265 T3" only mentions the existence of tilting side plates, but it is not clear how the tanks will be discharged from the aircraft on fire, because it prevents tanks from moving freely. filling valve (element 10 in Fig. 3).

There is no way to focus the location for the exact drop of the tank and the drawings show that it will be an estimate of the aircraft pilot or operator, in addition, the drop will be exclusively along the ballistic trajectory (containers are attached to the fuselage or wing), which further complicates the survey. The dropping and dispersing of the extinguishing agent in the tanks will therefore be considerably inaccurate (estimated at tens to hundreds

- 3 CZ 2018 - 550 A3 meters) compared to HB, where the application allows very precise targeting of the drop (visual extension of the HB hinge determines the place of impact of the HB with an accuracy of units of meters).

In view of the above, it is therefore a different aspect of the invention against the Fire Balloon (HB) which is the subject of this description of the invention.

PCADS Prec (Precision Container Aerial Delivery System), FlexAttack, USA

Another example of a solution by implementing the “indirect fire extinguisher from a height” method (see above) is FlexAttack, Precision Container Aerial Delivery System (PCADS), USA (www.flexattack.com), which it calls the PCADS system as “rain ”. The "rain" effect is achieved by discharging a large box package (estimated at 1 m3) from the aircraft and disintegrating the package with wind pressure in the air and releasing the extinguishing agent in the air, which is still dispersed at height (see photo at http: / /www.flexattack.com/pcads/). Thus, the extinguishing agent is not concentrated and its effectiveness is as low as other solutions for discharging the extinguishing agent from a height, unlike HB, where the extinguishing agent hits the fire at the point of contact with flames in 100% concentration, more precisely (to the epicenter of the fire ).

SUMMARY OF THE INVENTION • Description of a Fire Balloon (HB) (1)

The essence of the invention is to deliver the extinguishing agent in 100% concentration directly to the flames of the fire, thus achieving a substantial (10x to 100x) increase in extinguishing efficiency compared to conventional fire extinguishing methods in which the extinguishing agent disperses in the air after falling before the fire. significantly reduces the effectiveness of extinguishing.

The invention consists of its own extinguishing balloon of various size (diameter), which is dropped on the fire to a selected place, where the concentrated extinguishing agent is directly dispersed on the fire (sprayed around the point of impact) in order to extinguish the fire. Thus, the application of HB (1) means the preparation of HB (1) (ie filling HB (1) with an extinguishing agent - water, water with an extinguishing agent, a special emulsion to increase the extinguishing efficiency or other suitable liquid extinguishing agent) and transporting HB (1) to places of fire (ie vertical throw from a height or oblique throw from the side along a ballistic path), where the concentrated extinguishing agent contained in HB (1) is dispersed to the fire by rupture of the HB (1) package at high speed on impact and thus extinguish the fire in within a radius of 5 to 15 meters from the point of impact. For larger fires, HB (1) are dropped repeatedly, either several times in one place (in the case of a very intense fire) or linearly (stopping the spread of the fire towards residential or industrial buildings or dividing a large fire into smaller units) or flat (gradual extinguishing a large fire ).

a) The extinguishing balloon (HB) (1) consists of a thin spherical or droplet-shaped envelope, which is filled with an extinguishing agent (liquid) - water, water with an extinguishing agent, a special emulsion to increase the extinguishing efficiency or another extinguishing agent, which must correspond to the burning substance as determined by firefighters before using HB (1) for extinguishing. The extinguishing agent is contained in HB (1) at atmospheric pressure in a fully (ie 100%) concentrated form (not dispersed) so that this extinguishing agent is transported and dropped to the desired place in the fire while maintaining the fully concentrated form of the extinguishing agent until the impact of HB (1) on the fire (ie without dispersing the extinguishing agent in the air and without evaporating the dispersed extinguishing agent at a high temperature just above the fire, which causes an order of magnitude reduction in the extinguishing efficiency). HB (1) thanks to its thin disposable packaging in which the extinguishing agent is placed, on the one hand (a) keeps the extinguishing agent in a fully (100%) concentrated form at atmospheric pressure both in the standby state (stored or transported to the fire site) and even during the flight on fire (dropping or throwing) and on the one hand (b) the concentrated extinguishing agent sprays directly in contact with the fire by bursting the thin package HB (1) - bursting (bursting) HB (1) by its own weight at high speed achieved by dropping

- 4 CZ 2018 - 550 A3

HB (1) from a height of tens to hundreds of meters (it is also possible to throw HB (1) into a burning object from the side). During the flight of HB (1) to fire (dropping or throwing), the HB (1) package still keeps the extinguishing agent fully concentrated until the HB (1) package hits and ruptures. HB (1) sprays (disperses) the extinguishing agent on a circular surface with a diameter of 5 to 15 meters. This method is most effective with liquid extinguishing agents, but is not limited to liquid extinguishing agents (other than liquid extinguishing agents must be able to generate hydrostatic pressure inside HB (1)). The choice of extinguishing agent must correspond to the burning substance: this is determined by the fire brigade before using HB (1) for extinguishing (before filling HB (1) for use).

The size (diameter) of HB (1) is determined by achieving sufficient fire extinguishing efficiency - a typical diameter is from 300 mm (15 liters of extinguishing agent) to 2,000 mm (4,200 liters of extinguishing agent). The HB (1) principle described here is also applicable to HB (1) with a diameter below 300 mm, but the extinguishing efficiency is significantly reduced here, and with a diameter above 2,000 mm, when HB (1) is difficult to handle. The optimal ratio of "total extinguishing cost" / "extinguishing efficiency" is for diameters of 650, 750 and 850 mm.

b) Method of transporting 1 to 10 HB (1) by fire (see also “Drawings diagrams of the invention”, Scheme 1.) - disposable transport suspension net (2a or 2b) for transporting 1 to 10 HB (1) to the required place in the fire by dropping from the air (helicopter, crane, drone, plane, etc.). This mode of transport allows a very precise visual aiming of the target (extinguishing site) using the net suspension rope and thus achieving high extinguishing efficiency - the extended vertical trajectory of the net suspension rope is the point of impact HB (1) (crosswind affects the HB (1) fall path on the fire only insignificantly, because the considerable weight (typically 100 to 300 kg), the aerodynamic shape of the HB (1) (ball, drop) and the short fall / flight time of the HB (1) on fire (units of seconds) prevent the HB (1) fall / flight path from deviating Release of the HB (1) by means of the helicopter (3) and the suspension net (2a or 2b) is performed by the operator or pilot by releasing the suspension hook (5) on which the transport suspension net is hooked for transport.

c) Method of transporting 6 to 20 pieces of HB (1) to fire (see also “Drawings diagrams for the invention”, Schemes 2 and 3) - hanging application box (“AB”) for transporting HB (1) to the required place in fire by dropping from the air (helicopter, crane, plane) in the number of 6 to 20 pieces of HB (1), which are in series (usually linearly in slow flight, but also in one place instead of a very intense fire - epicenter) dropped on fire. The number of HB (1) in AB depends on the size of AB and the diameter of HB (1). In the middle of the floor AB there is a drain hole used for precise visual targeting of the target (extinguishing point) by means of the AB suspension rope and thus achieving high extinguishing efficiency - the extended vertical trajectory of the AB suspension rope is the HB impact point (1). The drain hole HB (1) is located in the middle of the AB floor to balance the AB during application.

• Description of the use of the fire balloon (HB) (1) ° Fire balloon

The extinguishing balloon (1) is a disposable fire extinguishing agent in that the extinguishing agent inside the HB (1) is transported directly to the point of contact with the fire by means of the transport means (3) inside the thin flexible package HB (1) in fully concentrated form. (without dispersion in air or vapor of dispersed extinguishing agent by high fire temperature). Here HB (1) bursts and sprays the extinguishing agent on all sides from the point of impact under its own weight (hydrodynamic pressure) when impacted at high speed (100 to 200 km / h) and effectively extinguishes the fire in a circle-shaped area with a diameter of 5 to 15 meters (according to size HB (1), drop height (4) and distance from the point of impact HB (1)). When HB (1) is applied, the extinguishing agent is not dispersed or evaporates by heat at the fire site and therefore the extinguishing efficiency is many times (10x to 100x) higher than the previous methods (dispersed extinguishing agent by spraying or discharging into the air). Thus, at the moment of the impact of HB (1) on the fire (flames), the extinguishing agent in HB (1) has a 100% concentration and the extinguishing efficiency is 10 to 100 times higher than other previous extinguishing methods.

- 5 CZ 2018 - 550 A3

The extinguishing agent is contained in HB (1) (in the package) at atmospheric pressure - HB (1) is actually only a package ensuring 100% concentration of the extinguishing agent. By transporting the extinguishing agent to the fire contact point in concentrated form, the extinguishing efficiency is substantially increased (10x to 100x) compared to transporting the extinguishing agent to the fire by spraying into the air or discharging from a height.

The HB (1) material is made of a flexible material which is strong enough for handling (transport and preparation for fire release) as well as for fire release itself (dropping or throwing), while the HB (1) packaging is not just for impact just before impact. fire (max. 1 second before impact = 30 to 50 meters from the fire) is not thermally affected by heat (even at very high fire temperatures), because it is cooled from the inside by the extinguishing agent and in addition the flight time in the greatest heat is fractions of a second. On impact, HB (1) flies at a speed of 100 - 200 km / h, depending on the height of the drop (4), which is 50 to 200 meters), so in the last second of the fall it flies 30 to 50 meters and the HB (1) cover will not flight of about 1 second is not affected by very high heat.

If the fire is not directly accessible from above (it is under the ceiling), it is first possible to break through the ceiling (by dropping a steel ball on the ceiling or otherwise) and then make the fire available for use with HB (1).

Extinguishing steel gas cylinders or flammable tanks is also possible with HB, because HB (1) is flexible (soft) on the surface and in case of fall it envelops the gas cylinder or tank and with minimal pressure on the gas cylinder or tank the extinguishing agent is sprayed on the gas cylinder or flammable tanks.

The negative impact of the use of HB (1) on the environment is minimal - possible burning of HB (1) packaging with the weight of HB (1) below 1 kg (diameter 650 to 850 mm) is negligible with an effective extinguishing area with a diameter of up to 15 meters. In addition, with each applied HB (1) and thus fire extinguishing, the HB (1) applied at the end of the extinguishing no longer burns and can therefore be disposed of by collection and recycling.

Storage (long-term): discharged HB (1), inserted into the transport network.

Emergency storage (transport / application readiness): soaked HB (1) in the transport suspension network (2a or 2b) or in the Application box (7).

Maximum number of HB (1) according to the weight of HB (1) and the hanging capacity of the helicopter

Pieces of HB under e suspension capacity of the helicopter HB diameter: 650 mm 750 mm 850 mm 1000 mm HB weight: 160 kg 240 kg 340 kg 560 kg Helicopter suspension capacity 3,000 kg 18 pcs 12 pcs 9 pcs 5 pcs 5,000 kg 31 pcs 21 pcs 15 pcs 9 pcs 12,000 kg 75 pcs 50 pcs 36 pcs 20 pcs 20,000 kg 125 pcs 80 pcs 60 pcs 36 pcs

° Method of transport HB (1) to fire - 1 to 10 pieces

HB (1) is placed in a disposable transport suspension network for one HB (2a) or for 2 to 10 HB (2b) and in this suspended network HB (1) is transported to the place of contact with fire by dropping (see “Drawings Schemes for the Invention”, Scheme 1.). The drop is either from the aircraft (3) (helicopter, drone, aircraft) or from the ground vehicle (crane, manipulator). The drop can be one piece of HB (1) in a small suspension net (2a) or up to 10 pieces of HB (1) at a time in a large suspension net (2b). The transport suspension net (2a or 2b) stabilizes HB (1) and further strengthens HB (1) against possible rupture of HB (1) in case of

-6GB 2018 - 550 A3 overpressure when filling HB (1) with extinguishing agent. The release of HB (1) by means of a helicopter (3) and a suspension net (2a or 2b) is performed by the operator or pilot by releasing the suspension hook (5) on which the transport suspension net is hooked for transport. HB will hit the designated fire site (6).

° Method of transport HB (1) to fire - 6 to 20 pieces

Hanging application box (7) (also known as “AB”) (dimensions AB (7) length: 5.6 m, width: 1.1 m, height: 1.1 m) with an electric belt conveyor at the bottom AB is designed for public transport of HB (1) to the required place in the fire by dropping from the air (helicopter, crane, aircraft) in the number of 6 to 20 pieces of HB (1) according to the diameter of HB (1). AB (7) has at the bottom 2 flat electric belt conveyors (powered by helicopter on-board sources), which move HB (1) towards the center / center of gravity AB (balance AB), where the floor AB is an opening for accurate visual targeting and thus achieving high extinguishing efficiency. The required number of AB with HB (1) can be ready for deployment before the helicopters apply the already prepared AB with filled HB (1) (continuous circulation application). Transport and discharge of HB (1) by helicopter and AB - see “Drawings Schemes for the Invention”, Schemes 2 and 3.

Explanation of drawings • Drawing (diagram) 1

Transport and dropping of HB (1) on fire (6), either 1 piece of HB (1) in the transport suspension net for 1 piece (2a) or 2 to 10 pieces of HB (1) in the transport suspension net for several pieces (2b) . The HB (1) located in the net (2a or 2b) is suspended from the hook (5) of the flying vehicle (3) (helicopters, drone, crane, etc.) and the HB (1) is thus transported above the fire. After precise alignment of the fall path (4) by means of the suspension rope under the vehicle (3), the transport suspension net (2a or 2b) is released by releasing the hook (5) and HB (1) falls on the fire (6). In this way, gas cylinders or flammable tanks can be extinguished by accurately dropping HB (1).

• Drawing (diagram) 2

Transport and dropping of HB (1) on fire (6) using the application box (7) for 6 to 10 pieces of HB (1) (according to size / diameter) in one AB (7). The AB (7) has a discharge opening (7b) in the bottom, into which the HB (1) located in the AB (7) are moved by two opposite electric belt conveyors (zigzag discharge from the left and right). This makes it possible to use the suspension rope of the vehicle (3) as a sight for the precise aiming of the fall path (4) HB (1) on the fire (6). AB (7) is designed by placing 8 pieces of AB (7) (2 in width, 2 in height and 2 in length) in a standard shipping container or 4 pieces of AB (7) (2 in width and 2 in height).

• Drawing (diagram) 3

AB (7) can contain from 6 pieces of HB (1) with a diameter of 850 mm to 10 pieces of HB (1) with a diameter of 550 mm. Two AB (7) next to each other can be connected to the battery HB (8) and thus increase the capacity in one flight to 12 to 20 pieces of HB (1) according to the diameter of HB (1).

One AB (7) or battery AB (8) can be transported to the place of fire by one means of transport (3) and the other AB (7) or battery AB (8) is being prepared for intervention on the ground at that time.

• Drawing (diagram) 4

When extinguishing the epicenter of a fire (10) of a forest (large) fire (9), HB (1) is dropped on the epicenter of the fire (10) so that the epicenter is extinguished. During the intervention, it is possible to count on the effectiveness of a circular extinguishing area with a diameter of about 10 m (with a reserve - the belt can be up to 15 meters wide depending on the size / diameter of HB (1).

- 7 EN 2018 - 550 A3 • Drawing (diagram) 5

In the event that a forest (large) fire (9) approaches areas with residential or industrial buildings (14), it is possible to create an extinguished strip with a width of a multiple of 10m (10 to 50m) by dropping HB (1) in a line (13). , when one line is about 10 m wide and the fire is stopped by gradual line dropping (13) HB (1).

In this way, it is also possible to divide a large fire into several parts by means of a linear drop (12) of HB (1), again with a belt with a width of 10 to 50 m.

Example of an embodiment of the invention

The invention has been carried out under conditions similar to actual use in terms of -

- extinguishing efficiencies following the impact of HB (1) on solid terrain

- methods of transport HB (1) to fire in the transport suspension network (2a or 2b)

- the transport suspension net (2a or 2b) is made of solid rope, which is commonly used for parachuting purposes, and is extremely strong. The net consists of 12 to 24 such ropes at the point of greatest load. The strength and size of this network is sufficient for the transport of HB (1) up to a diameter of 1,000 mm, even under possible dynamic loads during transport to the fire site.

Evaluation of extinguishing efficiency after the impact of HB (1) on solid terrain

HB (1) with a diameter of 650, 750 and 850 mm, filled to only about 2/3 of the capacity (due to efforts to prevent the HB (1) package from bursting by hydrostatic pressure during tests) were dropped from a height of 18 meters from a conventional mobile manipulator on a paved surface court.

Resulting extinguishing area according to HB diameter (1):

- HB 650: heavily soaked circle-shaped surface with a diameter of 5 m (core) wetted circle-shaped surface with a diameter of 9 m

- HB 750: heavily soaked circle-shaped surface with a diameter of 6 m (core) wetted circle-shaped surface with a diameter of lim

- HB 850: heavily soaked circle-shaped surface with a diameter of 7 m (core) wetted circle-shaped surface with a diameter of 13 m

The above diameters of the wetted area will be min. 20% higher if HB (1) is filled to 100% volume (here are the results for 2/3 filling of HB (1) volume).

Industrial applicability

Extinguishing large fires -

- large-scale fires - forest and agricultural stands, stopping the progress of such a fire so as not to endanger houses or industrial units

- fires of industrial units - direct repeated drop of one large HB or several smaller HBs directly into the epicenter of the fire (extinguishing agent must correspond to the burning substance and other circumstances of the fire - electrical wiring should be turned off, etc.) - burning halls, industrial technology, refineries, etc. .

- fires in residential buildings - in the case of multi-storey buildings where the fire is not accessible from above, it is necessary to apply HB (1) from the side, either by centrifugal force when the helicopter hits the fire on a circular runway or by throwing HB (1) from the side.

- extinguishing steel gas cylinders or tanks with combustibles occurring near or in a fire

- without restriction for any fires where firefighters evaluate the use of HB (1) as effective.

Claims (3)

PATENT CLAIMS A method of applying a liquid extinguishing agent in a 100% concentration directly to a fire by means of an extinguishing balloon (1) with a diameter of 300 to 2,000 mm, which is characterized by a high accuracy of intervention in a specific place of the fire. The extinguishing balloon (1) consists of a thin flexible package, which keeps the extinguishing agent in 100% concentration (at atmospheric pressure) in the standby state (stored or transported to the fire site) even during the fire, the weight (hydrostatic pressure) at high speed at the impact of HB (1), which is created by dropping HB (1) from a height of tens to hundreds of meters, is sprayed 100% concentrated fire extinguisher (6). 2. Disposable suspension net (2a or 2b) j as a method of transporting HB (1) to a fire in the number of 1 to 10 pieces of HB (1) by dropping HB (1) in this net to a fire from a height (tens to hundreds of meters ), while this mode of transport allows a very precise visual orientation of the target (extinguishing point) by the vertical of the suspension rope and thus the achievement of high extinguishing efficiency. 3. Suspended application box (“AB”) (7) with two flat belt conveyors (7a) at the bottom AB (7) and with a discharge opening HB (1) in the middle between these two conveyors (7b) as a method of transporting HB (1) on fire in the number of 6 to 20 pieces of HB (1) in a reusable box, where the number of HB (1) in AB (7) depends on the size of AB (7) and the diameter of HB (1).