Fire extinguishing method

FIELD: fire fighting equipment with the use of helicopters with rotary propellers, which create powerful descending air flow, particularly to extinguish forest fires.

SUBSTANCE: method involves suspending conical case with fire-extinguishing devices under helicopter and using powerful descending air flow produced by helicopter propellers. If necessary air flow may be mixed with mechanical particles (sand) or chemical additives for extinguishing fires. The case is produced of high-strength and light-weight material to provide case weight of not more than 2 tons.

EFFECT: possibility to use air flow going from helicopter propeller, reduced fuel consumption due to prevention of helicopter usage in shuttle mode, possibility of continuous fire extinguishing, increased helicopter park.

3 cl, 1 dwg

 

The invention relates to forestry, to work mainly on fighting forest fires, and can be used for extinguishing fires in industrial and civil objects, if there are no people.

Currently, large fires extinguish with the use of powerful equipment: aircraft, helicopters, etc. that are doing Shuttle flights, pour fires a huge amount of water.

For fire fighting helicopters all the time should make a Shuttle flight to deliver water with a high consumption of fuel, if the water is far away, when there are breaks between flights, and the forest is lit continuously.

As the closest analogue accepted method of extinguishing fires according to the patent of Russia №2130793, class. And 62 With 3/00, publ. 27.05.1999 involving blowing flames from hot bodies and objects.

The present invention is the suppression of forest or other fires by blowing flames from the burning bodies and objects with the help of a whirlwind from a helicopter, like a tornado, due to the fact that vertical to the ground going air jet from the coaxially mounted screws helicopter fall in podveshivaya-collecting body, twisted and rush to the earth. Powerful air stream which is created by the propellers of the helicopter from the engine capacity of over four thousand PS, for example, KA-32 (1 str), nestorone kinetic energy, which is trouble-free to blow off, to suppress a flame of fire, and in the case of adding mechanical or other additives extinguishing and smoldering foci will be implemented immediately.

According to the invention a method of extinguishing fires is that the extinguishing produce revolving in the form of a tornado jet of air from the main rotors of the helicopter, while the rotation and direction of air to the fire to produce a special removable conical housing with a device for swirling air and accelerated its direction downward.

In addition, the removable casing is hung or detach by using a coupler, and, if necessary, in a stream of air add mechanical in the form of sand or chemical additives.

The spinning ball of air from the powerful pressure of coaxially rotating screws will have a range that will allow the helicopter is not much reduced. Thus, this method of air supply will allow the most efficient use of powerful downward jet of air generated by the engines. As the load on the helicopter (the weight of the cone, composite, housing) will be much less than its capacity, then it can be downloaded additives in the form of dry sand and chemicals.

And if the helicopter is to provide devices for automatic rounding areas, which allow you to fly at a minimum the heights of 5-15 meters (2, page 5), and screws made of composite materials (3, p.20), it will be in full security to extinguish the flame of any forest fire, flying up to the edge of a huge cloud of smoke from the grass-roots and crown fires, without fear of collision with any obstacle, hidden inside or behind them.

The helicopter flies, so to speak, especially at low speeds, when extinguishing fires, in the cloud, more precisely, in precipitating the flow of air from its screws. If you take the helicopter KA-32, volume nizvergaetsa air will be within 100000-220000 m3/s!

If he drops to fire up to a certain height, this is a huge amount of air will disperse any powerful smoke, he will still be in the clear down the air of your screws.

The pilot, being all the time in the pure air of your screws, can be flexibly maneuver in any grass-roots and crown fire.

1 shows a device for implementing the method of extinguishing fires and Tornado. The device is made in the form of a cone, where position 1 is the upper collecting round the wall of the housing, 2 - spiral for swirling air, 3 - the same in a narrowing of the hull, pos.4 - Laval nozzle. 5 - transparent part of the wall of the casing of the review areas. Pos.6 - coupler. Pos.7 - front lower part of the coupler. Pos.8 - supporting rack enclosure.

The process of extinguishing forest fires occur following the m way. The helicopter, taking in the fuselage required amount of sand or chemical additives (4-5 tons, if the helicopter KA-32), sits on the housing position 1 so that the upper half of the coupler pos.6 connected with the lower part of the coupler mounted on the rack pos.7. The air entering the enclosure at this time, will come out through the bottom of the Laval nozzle due to the excess end of the nozzle above the ground at the gap “B”. He then flies to the beginning of the line of fire, falling to the lowest possible height, directs rotating at high speed wind vortex Tornado on the burning trees, grass, branches. Air vortex will be intensively to blow off, to knock down the flames. If there is a smoldering logs (this can be set when the secondary quenching), massive objects, etc. to gotosite with the addition of mechanical and chemical additives.

Techno-economic performance of the proposed method of extinguishing of forest or other fires will be significant for the following reasons:

1. Saves a significant amount of fuel due to the dual-use capacity of the helicopter for flight and for fire fighting, but also because of the cancellation of Shuttle flights for water delivery.

2. The continuity of the quenching, in particular forest fires that will save hundreds of thousands of hectares of forests, especially in regions with a small amount of water.

3. High efficiency is Yunosti extinguishing of forest fires due to turbulence downstream of the air with the addition, in necessary cases, mechanical or chemical additives. The turbulence, in the form of Cyclone, the air will knock down the flames of the fire with great speed that will allow the helicopter continuously move along the front line of fire.

Literature

1. Antennomeres, Soviet aircraft designers, Military publishing house, 1990, Moscow.

2. The Newspaper “Argumenty I Fakty, No. 14, 2004, Moscow.

3. The Newspaper “Argumenty I Fakty, No. 15, 2004, Moscow.

1. The method of extinguishing fires, characterized in that the extinguishing produce revolving in the form of a tornado jet of air from the main rotors of the helicopter, while the rotation and direction of air to the fire to produce a special removable conical housing with a device for swirling air and accelerated its direction downward.

2. The method according to claim 1, characterized in that the removable casing is hung or detach by using a coupler.

3. The method according to claim 1, characterized in that, in appropriate cases, in a stream of air add mechanical in the form of sand or chemical additives.



 

Same patents:

FIELD: fire-fighting equipment, particularly for peat fire spread prevention.

SUBSTANCE: method involves forming intermittent strips; supplying water to intermittent strips and forming wetted area. Wetted area is formed by arranging mole drains along intermittent strip lengths and supplying water to them to moisture peat bed through the whole thickness thereof. To perform preventive water conservation intermittent strip surfaces located above mole drains are loosened for 0.15 - 0.2 m depth and 1.0 - 1.5 m width and intermittent strip surfaces above mole drains in fire vicinity are rolled up. Fire inhibitors are added to water before supplying thereof in mole drains.

EFFECT: increased fire-protective efficiency regardless of peat bed thickness.

2 cl, 2 dwg

FIELD: fire-fighting equipment, particularly for extinguishing/localizing large-scale and powerful fires, including forest and forest-steppe fires, difficult-to-access fires, namely steep mountains, impassable taiga, jungle or fires close to risk areas (explosive environment or high-temperature areas).

SUBSTANCE: method involves exerting influence of air-blast wave on fire site and applying high-speed jet of air-dispersed fire-extinguishing mixture formed during fire-suppression device explosion. Fire-suppression device comprises vessel with fire-extinguishing composition and dispersing charge. Vessel is provided with structural members providing device operation in service conditions. Structural members are separated from vessel until dispersing charge blasting.

EFFECT: extended range of technical means for fire-suppression device delivery to fire site, reduced time of their preparing to use, prevention of device fragments spreading after device blasting.

4 cl, 3 dwg

FIELD: forestry, particularly for fighting fires in high-capacity and medium-capacity peat beds.

SUBSTANCE: drainage system includes a number of water drainage channels with control-and-shutoff valves, manifold with drain lines connected thereto and intercepting channel located above drained peat bed and communicated with water inlet. Intercepting channel is provided with control-and-shutoff means to accumulate surface water flow and to create water reserve. Intercepting channel is connected with manifold head part by means of pipeline having valve gate. Manifold is provided with movable partition. Intercepting channel has antifiltering shield.

EFFECT: possibility of fire localization without operation stoppage and without underflooding surrounding territories and, as result, reduced economic losses.

2 dwg

FIELD: fire-fighting, particularly for extinguishing forest fires.

SUBSTANCE: method involves burning combustible materials in direction from control line to fire propagation line with the use of remote operated robotic system. Remote operated robotic system includes flame thrower and rotary screw drive, which provides system movement simultaneously with digging control line.

EFFECT: reduced time of fire service response, increased efficiency of fire localization and operational safety.

3 dwg

FIELD: fire-fighting equipment, particularly for localizing fire appeared in process orifices, for instance during coloring large articles or on stage.

SUBSTANCE: method involves using elastic fire barrier formed as dropping curtain device for fire localization. Device for above method implementation performs curtain movement in several modes. Device structure is so that device protects maintenance staff or actors present in working area from injuries during heavy curtain motion. Screen has door located in lower part thereof to evacuate people from dangerous area by rescuers or for people self-evacuation.

EFFECT: possibility of injury prevention, prevention of hazardous products escape from fire site, provision of seal between screen and frame when process opening is fully closed.

4 cl

The invention relates to the field of fire-fighting equipment, and in particular to methods of extinguishing forest fires using explosives), heat-sensitive fire-extinguishing powder formulations (TRAPS) and gas-dispersed fire extinguishing compositions, filled into containers and modules fire

The invention relates to fire fighting and can be used for effective control of large-scale and powerful fires, including forest and forest-steppe, as well as fires in hard to reach places

The invention relates to techniques for fire suppression and can be used for fighting forest fires in areas that are impassable for vehicles, but where the air technique is not sent out because of the small distances

FIELD: fire-fighting equipment, particularly for localizing fire appeared in process orifices, for instance during coloring large articles or on stage.

SUBSTANCE: method involves using elastic fire barrier formed as dropping curtain device for fire localization. Device for above method implementation performs curtain movement in several modes. Device structure is so that device protects maintenance staff or actors present in working area from injuries during heavy curtain motion. Screen has door located in lower part thereof to evacuate people from dangerous area by rescuers or for people self-evacuation.

EFFECT: possibility of injury prevention, prevention of hazardous products escape from fire site, provision of seal between screen and frame when process opening is fully closed.

4 cl

FIELD: fire-fighting, particularly for extinguishing forest fires.

SUBSTANCE: method involves burning combustible materials in direction from control line to fire propagation line with the use of remote operated robotic system. Remote operated robotic system includes flame thrower and rotary screw drive, which provides system movement simultaneously with digging control line.

EFFECT: reduced time of fire service response, increased efficiency of fire localization and operational safety.

3 dwg

FIELD: forestry, particularly for fighting fires in high-capacity and medium-capacity peat beds.

SUBSTANCE: drainage system includes a number of water drainage channels with control-and-shutoff valves, manifold with drain lines connected thereto and intercepting channel located above drained peat bed and communicated with water inlet. Intercepting channel is provided with control-and-shutoff means to accumulate surface water flow and to create water reserve. Intercepting channel is connected with manifold head part by means of pipeline having valve gate. Manifold is provided with movable partition. Intercepting channel has antifiltering shield.

EFFECT: possibility of fire localization without operation stoppage and without underflooding surrounding territories and, as result, reduced economic losses.

2 dwg

FIELD: fire-fighting equipment, particularly for extinguishing/localizing large-scale and powerful fires, including forest and forest-steppe fires, difficult-to-access fires, namely steep mountains, impassable taiga, jungle or fires close to risk areas (explosive environment or high-temperature areas).

SUBSTANCE: method involves exerting influence of air-blast wave on fire site and applying high-speed jet of air-dispersed fire-extinguishing mixture formed during fire-suppression device explosion. Fire-suppression device comprises vessel with fire-extinguishing composition and dispersing charge. Vessel is provided with structural members providing device operation in service conditions. Structural members are separated from vessel until dispersing charge blasting.

EFFECT: extended range of technical means for fire-suppression device delivery to fire site, reduced time of their preparing to use, prevention of device fragments spreading after device blasting.

4 cl, 3 dwg

FIELD: fire-fighting equipment, particularly for peat fire spread prevention.

SUBSTANCE: method involves forming intermittent strips; supplying water to intermittent strips and forming wetted area. Wetted area is formed by arranging mole drains along intermittent strip lengths and supplying water to them to moisture peat bed through the whole thickness thereof. To perform preventive water conservation intermittent strip surfaces located above mole drains are loosened for 0.15 - 0.2 m depth and 1.0 - 1.5 m width and intermittent strip surfaces above mole drains in fire vicinity are rolled up. Fire inhibitors are added to water before supplying thereof in mole drains.

EFFECT: increased fire-protective efficiency regardless of peat bed thickness.

2 cl, 2 dwg

FIELD: fire fighting equipment with the use of helicopters with rotary propellers, which create powerful descending air flow, particularly to extinguish forest fires.

SUBSTANCE: method involves suspending conical case with fire-extinguishing devices under helicopter and using powerful descending air flow produced by helicopter propellers. If necessary air flow may be mixed with mechanical particles (sand) or chemical additives for extinguishing fires. The case is produced of high-strength and light-weight material to provide case weight of not more than 2 tons.

EFFECT: possibility to use air flow going from helicopter propeller, reduced fuel consumption due to prevention of helicopter usage in shuttle mode, possibility of continuous fire extinguishing, increased helicopter park.

3 cl, 1 dwg

FIELD: fire-fighting means, particularly to extinguish ground and crown forest fires and to prevent spreading thereof.

SUBSTANCE: method involves supplying fire-extinguishing gas from turbojet plant compressor nozzle to fire site, wherein gas is directed to burned-out and unburned matter along with simultaneous blowing off thereof in burned-out areas. Gas is delivered through removable compressor nozzle head flattened from both sides thereof. Nozzle head may rotate through 90° to divide fire front into parts to be separately extinguished.

EFFECT: increased efficiency along with reduced danger when extinguishing fire.

2 cl, 3 dwg

FIELD: fire-fighting equipment, particularly to combat large-scale fires, including forest and steppe ones, fires in difficult-to-access areas (steep mountains, impassible taiga, jungle) and fire sites located near high-risk objects (highly explosive or high-temperature ones).

SUBSTANCE: device comprises stabilizer and vessel, both formed of thermoplastic material, as well as dispersing charge and fire-extinguishing substance located into vessel. The device also has explosive means and suspension system including cover plate with eyes and members enclosing vessel. Suspension system is connected with stabilizer bottom by means of flexible tie and is provided with releasing mechanism and with members providing forced detaching thereof from vessel.

EFFECT: prevention of scattering fragments of fire-extinguishing device after its operation, increased surface of fire-extinguishing substance contact with burning matter.

4 cl, 3 dwg

FIELD: fire protection means, particularly to protect peat beds against fire or to prevent burning of compacted loose combustible materials, particularly pulp and paper industry waste materials.

SUBSTANCE: method involves forming channels in peat bed surface in fire-risk areas during winter period; filling the channels and depressions with water; freezing thereof in the channels and depressions to moisten peat bed during water ice thawing. To protect ice against the influence of direct sunlight ice is covered with heat-insulation material, particularly with ground or peat layer. Water is fed from underground horizons located under the peat beds.

EFFECT: increased efficiency.

3 cl

FIELD: fire fighting, particularly movable fire-extinguishing devices.

SUBSTANCE: robotic apparatus comprises system to provide self-defense thereof against fire hazard and means to prevent twisting of fire-extinguishant delivery hose connecting fire-extinguisher with nozzle over the full circular operating range when nozzle is aimed at fire site.

EFFECT: possibility to operate in extreme conditions, increased reliability and simplified structure.

2 cl, 2 dwg

Up!