EP4142894A1 - Verfahren und flüssigkeits-mischsystem zur bereitstellung eines flüssigkeits-schaumgemisches - Google Patents
Verfahren und flüssigkeits-mischsystem zur bereitstellung eines flüssigkeits-schaumgemischesInfo
- Publication number
- EP4142894A1 EP4142894A1 EP21733045.5A EP21733045A EP4142894A1 EP 4142894 A1 EP4142894 A1 EP 4142894A1 EP 21733045 A EP21733045 A EP 21733045A EP 4142894 A1 EP4142894 A1 EP 4142894A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- additive
- line
- compressed air
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
- A62C5/022—Making of fire-extinguishing materials immediately before use of foam with air or gas present as such
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/002—Apparatus for mixing extinguishants with water
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/008—Making of fire-extinguishing materials immediately before use for producing other mixtures of different gases or vapours, water and chemicals, e.g. water and wetting agents, water and gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
Definitions
- the invention relates to a method for providing a liquid-foam mixture by means of a liquid mixing system. Furthermore, the invention also relates to a liquid mixing system for providing the liquid-foam mixture, which is formed by mixing water with at least one additive.
- GB 967 792 A1 describes a unit that can be carried along on a vehicle or a helicopter for generating a frog foam for fire fighting.
- the unit for generating the extinguishing foam includes a water tank, a foam compound container and a compressor.
- the foam compound container is arranged inside the water reservoir.
- an air supply line extends above the what ser Itemss and is separated from each other with the interior of the water storage tank and also the interior of the foam compound container in flow connection.
- a mixing device is also provided which is in flow connection with the interior of the water reservoir, the interior of the foam compound container and also with the air supply line via separate connecting lines.
- the compressor is either operated with a combustion fuel or the compressed air is branched off from the helicopter's turbine.
- the disadvantage here is that the required compressed air is generated on site by means of an internal combustion engine and therefore an additional environmental burden is created by the exhaust gases.
- the object of the present invention was to overcome the disadvantages of the prior art and to provide a method and a liquid mixing system by means of which a user is able to carry out an autonomous operation and thereby for the direct drive of the compressor of the air compression unit of the liquid mixing system, no engine has to be used directly.
- the method is used to provide a liquid-foam mixture by mixing water with at least one additive by means of a liquid mixing system in which the following steps must be carried out:
- an air compressor unit for providing compressed air comprising a compressor and a drive device, the drive device being in drive connection with the compressor,
- the drive device of the air compressor unit is formed by a water motor or a water turbine comprising at least one water inlet and at least one water outlet, that a second water inlet is provided and the at least one water inlet of the water motor or the water turbine via the second water inlet with the Water pressure source in line s is connected that the water from the water pressure source is fed to the water motor or the water turbine via the second water supply line and the water motor or the water turbine is driven by the water under pressure.
- a first additive delivery device in particular a delivery pump driven by compressed air
- a second compressed air line by means of which the second compressed air line connects the compressor with the first additive delivery device
- the first additive storage unit is in line connection, and the first additive conveyor of the first additive storage unit is driven by the compressed air supplied in the second compressed air line and the first additive is removed from a first additive storage and via the first additive line first mixing device is fed.
- the compressed air is available at least for the admixture of the same to the liquid-foam mixture before exiting the dispensing device and can also be used for the operation and admixing of the additive to the water.
- a procedure is advantageous in which the water from the water pressure source is taken from a water reservoir with a water pump, a free body of water by means of a water pump, a hydrant and / or a water reservoir loaded with a pressure medium.
- the water from the water pressure source is taken from a water reservoir with a water pump, a free body of water by means of a water pump, a hydrant and / or a water reservoir loaded with a pressure medium.
- Another advantageous procedure is characterized in that the water emerging from the at least one water outlet of the water motor or the water turbine is diverted into the open. This can be done if there is a sufficient amount of water available.
- a variant of the method is also advantageous in which at least one water return line is provided and the water exiting from the at least one water outlet of the water motor or the water turbine is returned via the water return line to the water pressure source, in particular in its pressureless section, and from there again is delivered to the water motor or the water turbine.
- the water flow can be implemented in an almost to completely closed circuit for the water drive.
- an even more economical operation of the liquid mixing system can be achieved in this way.
- a procedure can be advantageous in which a differential pressure control element is arranged in the second compressed air line, from which differential pressure control element determines the water pressure in the first water supply line and sets the pressure level of the compressed air supplied to the additive delivery device on the basis of the water pressure determined will.
- the pressure level for the operation of the first additive storage unit with its first additive delivery device can be set and / or regulated exactly.
- a procedure is advantageous in which a second additive storage unit with a second additive delivery device and a second additive store with a second additive received therein is provided and the compressed air from the compressor is fed to the second additive delivery device via a third compressed air line and is driven and the second additive is removed from the second additive store and fed to the first mixing device via a second additive line.
- the amount available can be increased and there are no change times and the associated downtimes.
- this also creates the possibility of being able to mix and / or add different additives to the water.
- Another procedure is characterized when the volume flow of the liquid-foam mixture fed to the second mixing chamber of the second mixing device is adjusted manually and / or pneumatically. This enables the subsequent process of adding compressed air to be set and predetermined even more precisely.
- Another advantageous procedure is characterized in that the water is emitted from the water pressure source at a pressure value which comes from a pressure value range whose lower limit is 6 bar, preferably 9 bar, and whose upper limit is 20 bar, in particular 12 bar.
- a pressure value range whose lower limit is 6 bar, preferably 9 bar, and whose upper limit is 20 bar, in particular 12 bar.
- the volume flows and the proportioning rates can be varied within wide limits.
- a variant of the method is also advantageous in which the water motor or the water turbine is supplied with a volume flow that comes from a volume flow value range whose lower limit is 4001 / min, preferably 5001 / min, and its upper limit 2,0001 / min. min, preferably 1,000 l / min.
- the drive power can be adapted to the required application conditions depending on the volume flow.
- the object of the invention can, however, also be achieved independently of this by a liquid-mixing system for providing a liquid-foam mixture which is formed by mixing water with at least one additive.
- the liquid mixing system comprises a water pressure source, which water pressure source is designed to dispense the water, at least one first additive storage unit, which first additive storage unit is designed to receive a first additive, a pneumatic compressor unit comprising a Compressor and a drive device, wherein the drive device is in drive connection with the compressor, and wherein the air compressor unit is designed to provide compressed air, a first mixing device with a first mixing chamber, the first mixing device for the optional admixing of at least the first Additive to the water delivered by the water pressure source is formed, a second mixing device with a second mixing chamber, which second mixing device is designed for the optional admixing of compressed air to the liquid-foam mixture delivered by the first mixing device, and one of the two mixing devices gen interconnecting connecting line, a delivery unit with a connection device and a delivery line
- the advantage achieved in this way is that, by means of the compactly designed liquid mixing system for driving the compressor, which is used to provide compressed air, there is no need to provide an additional engine to be operated.
- Water is almost always required as an extinguishing agent during fire or emergency operations.
- the water is also available with a sufficiently high pressure level.
- the existing water pressure is also used for this purpose. This means that the water pressure is used on the one hand for the delivery and the admixing of at least one additive and on the other hand for driving the compressor.
- a first additive delivery device in particular a delivery pump that can be driven by means of compressed air
- a first additive storage unit in the first additive storage unit for receiving the first additive and a second compressed air line are provided, by means of which second compressed air line of the compressor with the first additive delivery device of the first additive storage unit is in line connection and that the first additive storage via the first additive conveying device and the first additive line with the first mixing device in line s is connected.
- the compressed air is provided at least for the admixture of compressed air to the liquid-foam mixture before the outlet and can additionally also serve for the operation and the admixing of the additive to the water.
- the water pressure source is selected from the group of water storage with water pump, open water and water pump, hydrant, a water storage tank acted upon by a pressure medium.
- different water pressure sources can be used in the usual way.
- a combination of the water pressure sources with one another would also be possible and conceivable in order to be able to provide the liquid-foam mixture sufficiently for use.
- Another embodiment is characterized in that the at least one water outlet of the water motor or the water turbine opens out into the open. This can be done if there is a sufficient amount of water available and there is no risk of excessive water damage in the surrounding areas.
- the water pipeline network includes at least one first water return line, by means of which the first water return line the at least one water outlet of the water motor or the water turbine is in line connection with the water pressure source, in particular with its depressurized section. This means that an almost closed circuit for the water supply and return can be implemented. In addition, an even more economical operation of the liquid mixing system can be achieved in this way.
- a further embodiment provides that a differential pressure control element and a measuring line are provided, which differential pressure control element is arranged in the second compressed air line and the measuring line is connected to the first water supply line starting from the differential pressure control element, and that the difference -Druckre gelungsorgan is designed to determine the prevailing water pressure in the first water supply line and based on the determined water pressure, the pressure level of the compressed air supplied to the additive delivery device can be adjusted. In this way, depending on the water pressure prevailing in the water supply line to the first mixing device, the Pressure level for the operation of the first additive storage unit with its first additive För dervoretti devisettivitettivoides can be set exactly and / or regulated.
- a second additive storage unit is provided with a second additive delivery device and a second additive storage for receiving a second additive and that the compressor is connected to the second additive delivery device via a third compressed air line and the second additive store is connected to the first mixing device in line s via the second additive delivery device and a second additive line.
- the amount available can be increased and there are no change times and the associated downtimes. However, it can also be used to create the possibility of mixing or adding different additives to the water.
- Another preferred embodiment is characterized in that the first mixing device is formed by a Venturi nozzle arrangement.
- the first mixing device is formed by a Venturi nozzle arrangement.
- the second mixing device comprises an adjusting means, which adjusting means is designed to adjust the volume flow of the liquid-foam mixture fed to the second mixing chamber of the second mixing device.
- the adjusting means is designed to adjust the volume flow of the liquid-foam mixture fed to the second mixing chamber of the second mixing device.
- liquid mixing system is built on a base frame as a compact structural unit.
- a simple and safe transport option for the entire liquid mixing system can thus be created.
- FIG. 1 shows a circuit diagram of a possible design of a liquid mixing system
- Fig. 2 shows the compact liquid mixing system, which is built on a Basisrah men, in a stylized, diagrammatic representation.
- liquid mixing system is also used in the following. This is understood to mean that at least one additive can optionally be mixed into an extinguishing liquid, preferably water, by means of this system.
- an additive e.g. a foam agent or other additives or media can be mixed in or added.
- foaming number indicates the ratio between the volume of the water-foam compound mixture and the foam compound volume. It indicates how many times the amount of liquid has increased during foaming.
- the released liquid-foam mixture can be subdivided into a heavy foam, a middle foam and a light foam, depending on the foaming rate.
- a prime mover is generally understood to be a machine that converts a form of energy, namely chemical, thermal or electrical energy, into mechanical work by executing a movement directed against a force.
- Power machines are mainly used to drive machines such as pumps, blowers, compressors and tools, as well as for vehicles.
- the prime movers are often also referred to as motors.
- Fig. 1 an embodiment of a liquid mixing system 1 is shown in the form of a simplified circuit diagram or diagram. Provision is made, as far as possible, but preferably completely, to dispense with the use of prime movers for driving system components of the liquid mixing system 1.
- At least one additive can be added to the water normally used as an extinguishing agent before it is released in order to increase the extinguishing effect and / or to hinder or prevent the access of ambient air (oxygen) to the fire to be extinguished.
- the water pressure source 2 For the liquid mixing system 1, a component generally referred to as the water pressure source 2 is required, which provides the water and is formed out to dispense the water. It is also possible for several water pressure sources 2 to cooperate for the provision and delivery.
- the water pressure source 2 can be selected or formed from the group of water storage with water pump, open water and water pump, hydrant, a water storage charged with a pressure medium.
- the water pressure source 2 is shown schematically as a circle with a triangle inside.
- the water can be given from this with a pressure value that comes from a pressure value range, the lower limit of which is 6 bar, preferably 9 bar, and the upper limit of which is 20 bar, in particular 12 bar, amounts to.
- volume flow of the discharged water can originate from a volume flow value range whose lower limit is 400 l / min, preferably 500 l / min, and whose upper limit is 2,000 l / min, preferably 1,000 l / min. The higher the value of the volume flow is selected, the "wetter" the dispensed liquid-foam mixture becomes
- the liquid mixing system 1 comprises a first additive storage unit 3 with a first additive 4 accommodated therein and intended for dispensing and admixing and / or admixing.
- An air compressor unit 5 is also provided, which is used to provide compressed air is designed or is used.
- the air compressor unit 5 in turn comprises a compressor 6 and a drive device 7 driving it, which is therefore connected to the compressor 6 in drive connection.
- first mixing device 8 In order to be able to measure or add the first additive 4 to the water flow emitted by the water pressure source 2, there is also a first mixing device 8 with a first Mixing chamber 9 is provided.
- the first mixing device 8 can be formed, for example, by a Venturi nozzle arrangement.
- a second mixing device 10 with a second mixing chamber 11 can preferably, but not necessarily, be provided.
- the second mixing device 10 it is optionally also possible to be able to additionally admix or add compressed air to the liquid / foam mixture delivered by the first mixing device 8.
- a connecting line 12 connecting the two mixing devices 8, 10 is to be provided. It can furthermore be advantageous if the volume flow of the liquid-foam mixture fed to the second mixing chamber 11 of the second mixing device 10 is adjusted manually and / or pneumatically.
- the second mixing device 10 can comprise at least one adjusting means or at least one adjusting element 39, which is formed to adjust the volume flow of the liquid-foam mixture fed to the second mixing chamber 11 of the second mixing device 10.
- the adjusting means or the adjusting element 39 is indicated in a schematically simplified manner and can also be arranged within the second mixing device 10.
- the latter also includes a delivery unit 13, which in turn comprises a connection device 14 and a delivery line 15.
- the delivery unit 13 is connected via the delivery line 15, if provided, to the second mixing device 10 and subsequently to the first mixing device 8. This optionally via the connecting line 12.
- a water pipe network 16 comprises at least one first water supply line 17 which fluidically connects the water pressure source 2 to the first mixing device 8, where they are in pipe connection with one another.
- An additive pipeline network 18 comprising a first additive line 19 is also provided.
- the first additive line 19 forms a line connection between the first additive Storage unit 3 and the first mixing device 8.
- a compressed air line network 20 is also provided to include a first compressed air line 21.
- the first compressed air line 21 connects the compressor 6 to the second mixing device.
- the amount of compressed air supplied to the second mixing device 10 or the compressed air volume flow can be regulated or adjusted. This can optionally be done in such a way that no compressed air at all is fed to the second mixing device 10 or the volume flow is increased depending on the desired air admixture. This is mostly done using a manual setting.
- the drive device 7 described above is hen vorgese, which is formed in the present embodiment by a water motor or what serturbine.
- the water motor or the water turbine each has at least one water inlet 23 and at least one water outlet 24.
- a second water supply line 25 is provided, which in turn connects the water supply 23 to the water pressure source 2 in terms of flow.
- a further adjusting or regulating element 26 can be provided, which is designed as a ball valve, for example. In this way, the water supply both to the first mixing device 8 and to the water inlet 23 of the water motor or the water turbine can be released or prevented.
- the water motor or the water turbine subsequently drives the compressor 6, which provides the compressed air.
- the water which is mostly available under pressure, can also serve as a drive medium for the water motor or the water turbine and the compressed air can be used at least for the optional operation of the second mixing device 10.
- the first additive 4 can optionally also be supplied from the first additive storage unit 3 to the first mixing device 8 and in this with mixed with the water or added to the water.
- the liquid-foam mixture is then passed on to the dispensing unit 13 and on this to a subsequently connected to it, for example by means of an extinguishing line, jet pipe 27 for the extinguishing operation, which can also be referred to as an extinguishing pistol or extinguishing lance.
- the compressed air provided by the compressor 6 is also used to convey the first additive 4 from the first additive storage unit 3 to the first mixing device 8.
- the first additive storage unit 3 comprises a first additive delivery device 28 and a first additive storage 29 for receiving and storing the first additive 4.
- the first additive delivery device 28 can be formed, for example, by a delivery pump driven by compressed air.
- the compressed air pipeline network 20 comprises a second compressed air line 30 which fluidically connects the compressor 6 to the first additive delivery device 28.
- the first additive store 29 is in line with the first mixing device 8 via the first additive delivery device 28 and the first additive line 19.
- the first additive delivery device 28 is driven by the compressed air supplied in the second compressed air line 30 and the first additive 4 is removed from the first additive memory 29 and via the first additive line 19 to the first mixing device 8 funded.
- the removal can take place, for example, in a suction process.
- At least one differential pressure regulating element 31 can also be provided, which is arranged in the second compressed air line 30 in the exemplary embodiment shown.
- the differential pressure regulating element 31 is in turn connected via a measuring line 45 to the first water supply line 17 in a line connection and / or in communication connection.
- the measuring line 45 can also be referred to as a reference pressure line, by means of which the internal pressure (water pressure) currently prevailing in the first water supply line 17 is transmitted to the differential pressure control element 31.
- the pressure control element 40 is provided in the water supply line 17 for setting and controlling the water supplied or supplied to the first mixing device 8 from the water pressure source 2, the pressure prevailing downstream from the pressure control element 40 is determined and used to control the air pressure passed on in the second compressed air line 30 to the first additive conveying device 28.
- the differential pressure control element 31 is designed to determine the water pressure prevailing in the first water supply line 17, the pressure level of the compressed air supplied to the additive delivery device 28 from the differential pressure control element 31 in the downstream to the first additive delivery device 28 being based on the determined water pressure second compressed air line 30 is set. Thus, depending on the pressure of the water in the first water supply line 17, that pressure of the compressed air in the second compressed air line 30, which is passed on to the first additive conveying device 28, can be set by the differential pressure regulating member 31.
- a second additive storage unit 32 can also be provided, which comprises a second additive delivery device 33 and a second additive storage 34.
- a second additive 35 is received or stored in the second additive store 34.
- the second additive delivery device 33 can be in line connection with the compressor 6 by means of a third compressed air line 36. It can be provided for regulating and setting the pressure of the compressed air another, not shown and designated differential pressure control element, which can be designed analogously to the previously described differential pressure control element 31 in the second compressed air line 30.
- This possible additional Differential pressure regulating element can be arranged in the third compressed air line 36, which is only shown in sections for reasons of clarity, between the two “I” in a circle, which represent a line connection.
- the second additive store 34 is connected to the first mixing device 8 via the second additive delivery device 33 and a second additive line 37.
- the second additive delivery device 33 is driven with the compressed air provided by the compressor 6, the second additive 35 being removed from the second additive storage 34 and delivered to the first mixing device 8 by means of the second additive delivery device 33 via the second additive line 37.
- the additive delivery devices 28, 33 described above can be formed, for example, by compressed air diaphragm pumps or the like.
- the additive or additives can also be referred to as additives.
- the additive or the admixture can be selected from the group of solid granules, abrasives, extinguishing powder, extinguishing additives, foaming agents, dry ice, decontaminants or the like.
- That water motor or the water turbine required and supplied for the drive can be passed Cru after the drive and exiting the water drain 24 into the open. Regardless of this, however, it would also be possible to provide at least one water return line 38 in the water supply network 16.
- the water return line 38 forms a fluidic connection between the water outlet 24 of the water motor or the water turbine and the water pressure source 2 Section, are passed back and then woked again delivered to the water motor or the water turbine.
- That water pressure of the water which is present at the first mixing device 8 and is flowing through it can be set and regulated by means of a pressure regulating element 40. In most cases, this is done with manual adjustment by a designated or trained operator.
- At least one additive 4, 35 can be mixed or added to the water or extinguishing water.
- a separate setting element 41 can be arranged or provided in the first additive line 19 and / or also in the second additive line 37, as indicated.
- the two previously described additive delivery devices 28, 33 who are preferably operated with the compressed air provided by the compressor 6, although this does not necessarily have to be done.
- the admixing and transport of the at least one additive 4, 35 from its respective additive storage unit 3, 32 does not necessarily have to take place with one of the previously described additive conveying devices 28, 33, but can also be carried out with other devices or system components.
- a prime mover or the like could also be used for this purpose, but should be avoided for environmental reasons.
- a separate or additional differential pressure control element 46 can be arranged or provided in the first compressed air line 21 between the control element 22 and the second mixing device 10.
- the measuring line 45 required for this can be branched off from the first measuring line 45 described above.
- the further differential pressure regulating element 46 is also in communication or flow connection with the first water supply line 17 via the measuring line 45.
- the liquid mixing system 1 is shown in a stylized form in the form of a box-shaped structure, which is constructed as a compact structural unit on a base frame 42 and is fastened to it.
- a coupling device 43 is provided for connecting the water pressure source 2, with the water return line 38 ending at a further coupling device 44.
- the control element 26, which can also be referred to as an actuator, can be seen, which adjusts or regulates the water flow to the previously described system components located below.
- This compactly built-up liquid mixing system 1 can preferably also be designed or referred to as a mobile and therefore easy-to-transport insert unit.
- the method is used to provide a liquid-foam mixture by mixing water with at least one additive 4, 35 by means of the liquid mixing system 1, in which the following steps are carried out:
- Providing the air compressor unit 5 for providing compressed air comprising the compressor 6 and the drive device 7, the drive device 7 being in drive connection with the compressor 6,
- the drive device 7 of the air compressor -Unit 5 is formed by a water motor or a water turbine comprising at least the water inlet 23 and at least the water outlet 24, that the second water inlet 25 is provided and the at least one water inlet 23 of the water motor or the water turbine via the second water inlet 25 with the water Dm cketti 2 is in line connection, and that the water from the water pressure source 2 is fed to the water motor or the water turbine via the second water supply line 25 and the water motor or the water turbine is driven by the water under pressure.
- the exemplary embodiments show possible design variants, whereby it should be noted at this point that the invention is not limited to the specifically shown design variants dersel ben, but rather various combinations of the individual design variants with one another are possible and this possible variation is based on the teaching on technical action The present invention is within the ability of a person skilled in the art who is active in this technical field.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50367/2020A AT523064B1 (de) | 2020-04-29 | 2020-04-29 | Verfahren und Flüssigkeits-Mischsystem zur Bereitstellung eines Flüssigkeits-Schaumgemisches |
| PCT/AT2021/060149 WO2021217193A1 (de) | 2020-04-29 | 2021-04-28 | Verfahren und flüssigkeits-mischsystem zur bereitstellung eines flüssigkeits-schaumgemisches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4142894A1 true EP4142894A1 (de) | 2023-03-08 |
| EP4142894B1 EP4142894B1 (de) | 2024-06-19 |
Family
ID=75851315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21733045.5A Active EP4142894B1 (de) | 2020-04-29 | 2021-04-28 | Verfahren und flüssigkeits-mischsystem zur bereitstellung eines flüssigkeits-schaumgemisches |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12337202B2 (de) |
| EP (1) | EP4142894B1 (de) |
| CN (1) | CN115715222B (de) |
| AT (1) | AT523064B1 (de) |
| WO (1) | WO2021217193A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119327070A (zh) * | 2024-09-19 | 2025-01-21 | 湖南中联重科应急装备有限公司 | 灭火系统及灭火操作方法 |
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|---|---|---|---|---|
| US2769500A (en) | 1951-07-11 | 1956-11-06 | Fyr Fyter Co | Foam-producing apparatus |
| GB967792A (en) | 1959-07-14 | 1964-08-26 | Philip Nash | Mobile apparatus for producing foam |
| US6733004B2 (en) * | 2002-02-04 | 2004-05-11 | Harry Crawley | Apparatus for generating foam |
| US6973975B1 (en) * | 2002-09-10 | 2005-12-13 | Robwen Inc. | Universal transportable compressed air foam fire fighting system |
| US6991041B2 (en) | 2003-02-28 | 2006-01-31 | Hale Products, Inc. | Compressed air foam pumping system |
| DE102004032020B4 (de) | 2004-06-28 | 2006-11-30 | Schmitz Gmbh Feuerwehr- Und Umwelttechnik | Verfahren und Anordnung zur Herstellung von Druckluftschaum zur Brandbekämpfung und Dekontamination |
| AT501355B1 (de) * | 2005-02-08 | 2006-12-15 | Rosenbauer Int Ag | Schaumlöschvorrichtung und verfahren zu dessen betrieb |
| WO2008118408A1 (en) * | 2007-03-23 | 2008-10-02 | Hypro, Llc | Stationary fire fighting foam system and method |
| US9625915B2 (en) * | 2009-09-15 | 2017-04-18 | Rom Acquisition Corporation | Complete integrated fireground control system and method |
| CN201596276U (zh) * | 2009-11-03 | 2010-10-06 | 徐州重型机械有限公司 | 消防车及其消防泡沫系统 |
| CN103629054A (zh) * | 2013-06-19 | 2014-03-12 | 冯柯霖 | 一种能量转换压缩空气系统及其应用 |
| CN107349544A (zh) * | 2016-10-25 | 2017-11-17 | 中国石油化工股份有限公司 | 机械泵入式压缩气体泡沫灭火方法 |
| CN107158610A (zh) * | 2017-04-21 | 2017-09-15 | 东华大学 | 压缩空气泡沫比例混合控制系统 |
| KR20200018511A (ko) | 2017-06-14 | 2020-02-19 | 조인트 스탁 컴퍼니 “로제네르고아톰” | 압축 방법에 의한 거품 발생을 가진 이동식 소화 장치 |
| CN208145269U (zh) * | 2018-02-07 | 2018-11-27 | 大连大兵救援装备有限公司 | 绿色环保气动灭火系统 |
-
2020
- 2020-04-29 AT ATA50367/2020A patent/AT523064B1/de active
-
2021
- 2021-04-28 US US17/922,030 patent/US12337202B2/en active Active
- 2021-04-28 EP EP21733045.5A patent/EP4142894B1/de active Active
- 2021-04-28 CN CN202180045156.XA patent/CN115715222B/zh active Active
- 2021-04-28 WO PCT/AT2021/060149 patent/WO2021217193A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN115715222A (zh) | 2023-02-24 |
| CN115715222B (zh) | 2024-03-12 |
| EP4142894B1 (de) | 2024-06-19 |
| AT523064A4 (de) | 2021-05-15 |
| AT523064B1 (de) | 2021-05-15 |
| US12337202B2 (en) | 2025-06-24 |
| US20230191174A1 (en) | 2023-06-22 |
| WO2021217193A1 (de) | 2021-11-04 |
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