WO2009041891A1 - Procédé et dispositif de production d'un milieu gazeux comprenant de la vapeur - Google Patents

Procédé et dispositif de production d'un milieu gazeux comprenant de la vapeur Download PDF

Info

Publication number
WO2009041891A1
WO2009041891A1 PCT/SE2008/051044 SE2008051044W WO2009041891A1 WO 2009041891 A1 WO2009041891 A1 WO 2009041891A1 SE 2008051044 W SE2008051044 W SE 2008051044W WO 2009041891 A1 WO2009041891 A1 WO 2009041891A1
Authority
WO
WIPO (PCT)
Prior art keywords
steam
fluid
air
fluid medium
fuel
Prior art date
Application number
PCT/SE2008/051044
Other languages
English (en)
Inventor
Michael Abrahamsson
Original Assignee
Steamex Group Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Steamex Group Ab filed Critical Steamex Group Ab
Publication of WO2009041891A1 publication Critical patent/WO2009041891A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B5/00—Steam boilers of drum type, i.e. without internal furnace or fire tubes, the boiler body being contacted externally by flue gas
    • F22B5/02—Steam boilers of drum type, i.e. without internal furnace or fire tubes, the boiler body being contacted externally by flue gas with auxiliary water tubes outside the boiler body
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/006—Extinguishants produced by combustion

Definitions

  • the present invention relates to a method for producing a gaseous medium comprising steam according to the preamble of claim 1.
  • the present invention also relates to a device for producing a gaseous medium comprising steam according to the preamble of claim 17.
  • WO 2005/012818 discloses a method, a device and a system for heating by means of a gaseous medium comprising steam, said steam being produced from water, energy for heating the water being provided by burning a fuel, wherein the steam is mixed with exhaust gas from the combustion of said gaseous medium; and wherein said mixture is used for heating purposes, for e.g. cleaning and extracting oil.
  • the mixture is also used for fire fighting.
  • An object of the present invention is to provide a method for producing a gaseous medium comprising steam which is efficient.
  • Another object of the present invention is to provide a device for producing a gaseous medium comprising steam which is efficient.
  • a method for producing a gaseous medium comprising steam, said steam being produced from a first fluid medium separated from the exhaust gas from combustion of a fuel in a steam generating step, said fuel being provided for burning for providing energy for heating said first fluid medium, comprising the step of mixing the steam thus produced with exhaust gas from combustion of said fuel; and preheating a fluid medium separated from the steam generating step, energy for preheating the fluid medium being provided by said fuel.
  • the fluid medium in the preheating step is the first fluid medium. It is easier to use the same medium, and using the same medium facilitates mixing of same medium, e.g. steamed water and hot water.
  • said fluid medium from the preheating step is supplied to the steam generating step.
  • hot fluid is provided to be used for steam production, making the steam production more efficient.
  • said fluid medium from the preheating step is supplied, preferably as a mist having a droplet size in the range of microns, preferably less than 10 microns, to the steam produced in the steam generating step.
  • the reduction in temperature of the mixture is minimized due to the fact that the fluid, e.g. water is preheated prior to being injected into the steam.
  • the dew point of the mixture is increased substantially.
  • the dew point may be varied.
  • Having a high dew point in the mixture offers the advantage that the mixture can "carry" the energy a further distance, as there is a higher fluid, e.g. water, content therein.
  • injecting the fluid, e.g. water as a mist preferably having a droplet size of less than 10 microns further increases the efficiency, as the fluid is vaporised more efficiently.
  • the steam mixed with the exhaust gas is thus saturated with vaporised fluid, e.g. water, i.e. the relative humidity of the steam is increased significantly by means of injecting and vaporising hot fluid into the steam.
  • vaporised fluid e.g. water
  • the efficiency is thus increased due to the fluid mist injection.
  • the efficiency is further increased due to the preheating of the fluid injected into the steam prior to the mixing step.
  • the steam in the steam generating step is provided under pressure.
  • Providing steam under pressure provides for the steam to bring the exhaust gas at a certain speed in connection with the steam and exhaust gas mixing step, such that the mixture easily may be introduced into a e.g. a cavity.
  • the preheated fluid introduced is, by means of the pressurised steam, i.e. the flow rate of the steam, disintegrated and vaporised, i.e. the disintegration of the fluid introduced into steam becomes more efficient.
  • the method comprises the step of burning said fuel in a combustion space. This facilitates a controlled way of burning the fuel.
  • the method comprises the step of introducing air into said combustion space. This provides for a continued combustion.
  • the method comprises the step of preheating said air prior to introducing it into the combustion space, energy for preheating the air being provided by said fuel. This increases the efficiency.
  • the method comprises the step of compressing said air prior to introducing said air into the combustion space.
  • the air thus has a higher pressure such that when ignited the exhaust gas thus provided has a high velocity.
  • a fluid medium not being a fuel
  • a fluid medium is supplied, preferably injected as a mist having a droplet size in the range of microns, preferably less than 10 microns, into the air in the air introduction step upstream of the combustion space, such that the fluid is mixed with the air.
  • a more efficient cooling is achieved.
  • the density of the air is increased and hence the evaporation force during combustion.
  • the method comprises the step of supplying at least one chemical substance different from air and water to said steam and exhaust gas mixture. This improves the efficiency when using said steam and exhaust gas mixture for certain applications such as e.g. cleaning, extraction of oil, or extinguishing of fires.
  • said at least one chemical substance is supplied to the steam produced in the steam generating step prior to the step of mixing the steam with the exhaust gas.
  • the effect of the injection of a chemical substance in the hot steam is that it is vaporised.
  • the steam is pressurised the disintegration of the chemical substance becomes more efficient.
  • the exhaust gas is mixed with a steam comprising chemical substance.
  • the mixture of the steam comprising the vaporised chemical substance when introduced into a cavity, due to the properties of the steam and the high temperature of the mixture fills the cavity rapidly and e.g. melts and dissolves soot, oil or the like, or extinguish a fire, depending on application. Compared to using non-vaporised chemical substance, the amount of chemical substance needed is drastically reduced.
  • said at least one chemical substance is supplied to the fluid medium prior to the step of supplying the fluid medium to the steam.
  • the chemical substance is preheated by means of the hot fluid, thus facilitating a quicker vaporisation of the chemical substance when introduced into the steam.
  • the at least one chemical substance has properties suitable for extinguishing fires, such as oxygen removing properties. This provides for an efficient way of extinguishing fires, by means of said mixture.
  • the at least one chemical substance has dissolving properties suitable for, for example cleaning and/or extraction of oil. This provides for an efficient way of cleaning and/or extracting oil by means of said mixture.
  • the fluid medium is water.
  • Water, and thus steam produced thereof is a suitable medium for applications such as extinguishing fires, cleaning and extracting oil. Further, water is easily accessible, cheap, environmental friendly and safe to handle.
  • a device for producing a gaseous medium comprising steam
  • said device comprising a combustion space and means for burning a fuel in said combustion space, said steam being arranged to be produced by means of a steam production means from a first fluid medium separated from the exhaust gas from combustion of said fuel, said fuel being provided for burning for providing energy for heating said first fluid medium
  • said device comprising a mixing space for mixing the steam thus produced with exhaust gas from combustion of said fuel and an outlet for discharging said mixture, comprising means for preheating a fluid medium separately from the steam production means, energy for preheating the fluid medium being provided by said fuel.
  • the fluid medium arranged to be preheated is the first fluid medium. It is easier to use the same medium, and using the same medium facilitates mixing of same medium, e.g. steamed water and hot water.
  • said preheating means comprises passing means for passing the fluid medium for preheating. This facilitates passing the fluid when it is preheated.
  • the steam production means comprises a fluid transport means for transporting the first fluid medium, wherein the preheated fluid medium is arranged to be passed from the passing means into the fluid transport means.
  • hot fluid is provided to be used for steam production, making the steam production more efficient.
  • the device further comprises a steam supply means for supplying the steam to the mixing space, wherein the preheated fluid medium is arranged to be supplied from the passing means to and introduced into the steam supply means, preferably as a mist having a droplet size in the range of microns, preferably less than 10 microns.
  • preheated fluid e.g. water
  • a steam exhaust gas mixture having a higher fluid, e.g. water content compared to no fluid, e.g. water, injection.
  • the reduction in temperature of the mixture is minimized due to the fact that the fluid, e.g. water is preheated prior to being injected into the steam.
  • the dew point of the mixture is increased substantially.
  • the dew point may be varied.
  • the mixture can "carry" the energy a further distance, as there is a higher fluid, e.g. water, content therein.
  • injecting the fluid, e.g. water as a mist preferably having a droplet size of less than 10 microns further increases the efficiency, as the fluid is vaporised more efficiently.
  • the steam mixed with the exhaust gas is thus saturated with vaporised fluid, e.g. water, i.e. the relative humidity of the steam is increased significantly by means of injecting and vaporising hot fluid into the steam.
  • the efficiency is thus increased due to the fluid mist injection.
  • the efficiency is further increased due to the preheating of the fluid injected into the steam prior to the mixing step.
  • heat for preheating said fluid medium is provided from said combustion space. This provides an efficient way of preheating the fluid medium.
  • said passing means comprises a jacket of the combustion space. This facilitates an efficient way of preheating the fluid medium while passed, which provides for a simple design and easy construction.
  • the steam supply means further comprises a pressure chamber for pressurising the steam, arranged upstream of the mixing chamber.
  • the pressure chamber facilitates for the steam to bring the exhaust gas at a certain speed in connection with the steam and exhaust gas being mixed in the mixing space, such that the mixture easily may be introduced into a e.g. a cavity. Due to the fact that the steam is pressurised, the preheated fluid intended to be introduced is, by means of the pressurised steam, i.e. the flow rate of the steam, disintegrated and vaporised, i.e. the disintegration of the fluid introduced into steam becomes more efficient.
  • the device further comprises means for introducing air into the combustion space. This provides for a continued combustion.
  • the device further comprises means for preheating the air prior to being introduced into the combustion space, energy for preheating the air being provided by said fuel. This increases the efficiency of the device.
  • the device further comprises means for compressing the air arranged upstream of said combustion space.
  • the air thus has a higher pressure such that when ignited the exhaust gas thus provided has a high velocity.
  • the device further comprises turbine means arranged to drive said compressor means by means of a portion of the exhaust gas and air. This is an efficient way to drive the compressor means.
  • the device further comprises a constriction means, for example a convergent nozzle, arranged to accelerate the exhaust gas and air towards the outlet. This further increases the efficiency.
  • a constriction means for example a convergent nozzle
  • a fluid medium not being a fuel preferably water
  • a fluid medium not being a fuel preferably water
  • a mist having a droplet size in the range of microns
  • the device further comprises a chemical substance supply means for supplying at least one chemical substance different from air and water to said steam and exhaust gas mixture. This improves the efficiency when using said steam and exhaust gas mixture for certain applications such as e.g. cleaning, extraction of oil, or extinguishing of fires.
  • said chemical substance is arranged to be supplied from said chemical substance supply means to said steam supply means.
  • the effect of the injection of a chemical substance in the hot steam is that it is vaporised.
  • the steam is pressurised the disintegration of the chemical substance becomes more efficient.
  • the exhaust gas is mixed with a steam comprising chemical substance.
  • the mixture of the steam comprising the vaporised chemical substance when introduced into a cavity, due to the properties of the steam and the high temperature of the mixture fills the cavity rapidly and e.g. melts and dissolves soot, oil or the like, or extinguish a fire, depending on application.
  • the amount of chemical substance needed is drastically reduced.
  • the device further comprises a fluid supply means for supplying a fluid to the steam supply means.
  • a fluid supply means for supplying a fluid to the steam supply means.
  • This is an alternative to transport the preheated fluid medium.
  • it may be used to provide a cold, i.e. not preheated fluid medium, which may be used in combination such that temperature regulation may be provided.
  • said chemical substance is arranged to be supplied from said chemical substance supply means to said fluid supply means.
  • the fluid supply means supplies preheated fluid
  • the chemical substance is preheated by means of the hot fluid, thus facilitating a quicker vaporisation of the chemical substance when introduced into the steam.
  • the at least one chemical substance has properties suitable for extinguishing fires, such as oxygen removing properties. This provides for an efficient way of extinguishing fires, by means of said mixture.
  • the at least one chemical substance has dissolving properties suitable for, for example cleaning and/or extraction of oil. This provides for an efficient way of cleaning and/or extracting oil by means of said mixture.
  • the fluid medium is water.
  • Water, and thus steam produced thereof is a suitable medium for applications such as extinguishing fires, cleaning and extracting oil. Further, water is easily accessible, cheap, environmental friendly and safe to handle.
  • Fig. 1 schematically shows an elevational view of a device for producing a gaseous medium comprising steam according to a first embodiment of the present invention
  • Fig. 2 schematically shows a perspective view of a device for producing a gaseous medium comprising steam according to a second embodiment of the present invention
  • FIG. 3 schematically shows an elevational view of a device for producing a gaseous medium comprising steam according to a third embodiment of the present invention
  • Fig. 4 schematically shows an elevational view of a device for producing a gaseous medium comprising steam according to a fourth embodiment of the present invention
  • Fig. 5 schematically shows an elevational view of a device for producing a gaseous medium comprising steam according to a fifth embodiment of the present invention.
  • Fig. 6 schematically shows an elevational view of a device for producing a gaseous medium comprising steam according to a sixth embodiment of the present invention
  • Fig. 1 schematically shows an elevational view in cross section of a device I for efficient energy transformation by means of a gaseous medium comprising steam according to a first embodiment of the present invention.
  • the device I comprises a combustion chamber 2, means for burning a fuel such as a burner 3 for burning said fuel, e.g. a gas burner 3, attached to the bottom of said chamber 2, for introducing heat into said chamber 2.
  • the chamber has an inner wall 2a and an outer wall 2b, said walls forming a fluid jacket 50.
  • the chamber 2 comprises a first fluid inlet 4a arranged at an upper portion of the outer wall 2b, for introducing a fluid, e.g. water into the jacket 50, i.e. into the space formed between the inner wall 2a and the outer wall 2b, via a first fluid transport means 52, e.g. a first pipe 52.
  • the chamber 2 further comprises a first outlet 5a arranged at the outer wall 2b, for discharging fluid from the jacket into a second fluid transport means 54, e.g. a second pipe 54.
  • the chamber 2 further comprises a second inlet 4b arranged at the inner wall 2a, for discharging fluid from the jacket into third fluid transport means 56, e.g. a third pipe configuration 56.
  • the fluid is arranged to be transported within the chamber 2 by means of the third fluid transport means 56 such that it is heated by means of the heating means 3.
  • the third fluid means e.g. said third pipe configuration 56, preferably has a helical shape, i.e. constituting a coil 56, rising upwardly in the combustion chamber 2.
  • the coil 56 is arranged within the combustion chamber 2 such that it substantially surrounds the flame of the burning means 3. In this way the fluid is heated from the heat from burning the fuel in an efficient way with minimum heat losses.
  • the device I further comprises a pressure chamber 6 arranged within the chamber 2, in an upper portion.
  • the pressure chamber 6 comprises an inlet 6a for introducing fluid, e.g. water, according to an embodiment arranged in the upper portion thereof.
  • the pipe configuration 56 is connected to the inlet 6a of the pressure chamber 6 such that fluid flowing in the pipe 56 is introduced into the pressure chamber 6.
  • the pressure chamber 6 is arranged within the combustion chamber such that the fluid therein is efficiently heated into steam.
  • the steam is arranged to be pressurised in the pressure chamber 6.
  • the pressure chamber 6 further comprises an outlet 6b in the upper portion thereof, to which a fourth fluid transport means 7, e.g. a fourth pipe 7 is connected.
  • the fourth pipe is arranged through a second outlet 5b in the chamber wall.
  • An end portion of the pipe 7 constitutes a primary injection chamber 7a into which a fluid, e.g. water is intended to be injected. Steam is thus intended to be extracted from the pressure chamber 6, the pressure chamber 6 being arranged upstream of the primary chamber 7a such that pressurised steam is arranged to be supplied to the primary chamber 7a.
  • a fluid e.g. water
  • the second pipe 54 is connected to the primary chamber 7a.
  • the second pipe 54 has a nozzle 54a at the end arranged such that, when fluid, such as water, is arranged to be discharged there through, it is sprayed into the primary chamber 7a.
  • the device I further comprises a secondary injection chamber 8 having an inner cavity 8a and an outer cavity preferably coaxially surrounding the inner cavity 8a, said chamber 8 being arranged such that exhaust gas from combustion of said fuel in said combustion chamber is led to the inner cavity 8a of the second injection chamber 8.
  • the chamber 8 is preferably attached to the top of the chamber 2.
  • the primary chamber 7a is connected to the outer cavity 8b of the secondary injection chamber 8. Steam from said primary chamber 7a is intended to be introduced into the outer cavity 8b of the injection chamber 8 via the pipe 7.
  • the exhaust gas is intended to be introduced into the inner part 8a of the injection chamber 8.
  • the device I further comprises a mixing chamber 13 constituting the downstream part of the injection chamber, where steam, via nozzle like holes/openings 13a in the tube dividing the inner cavity 8a and the outer cavity 8b of the injection chamber 8, is intended to be introduced from the outer cavity 8b of the injection chamber 8. Steam and exhaust gases are thus intended to be mixed in the mixing chamber such that a steam and exhaust gas mixture, hereinafter referred to as steamex, is achieved.
  • the device further comprises an outlet 20 for discharging the steamex.
  • the device I further comprises an air transport means 60 or air supply means 60.
  • the air transport means is arranged in connection to the combustion chamber 2 such that heat provided by means of burning said fuel heats said air.
  • the air transport means is connected to the means 3 for burning said fuel, e.g. said burner 3 such that hot air is supplied to the burner 3.
  • air transport means is externally arranged relative to the combustion chamber.
  • the air transport means is partly internally arranged relative to the combustion chamber 2.
  • water is introduced through the first pipe 52 into the jacket 50.
  • the water introduced into the jacket 50 is preheated by means of heat provided by the burner 3.
  • the preheated water is flowing from the jacket 50 through the second inlet 4b into the third pipe 56, where it is preheated further by means of the burner 3.
  • the third pipe configuration 56 is configured such that heated water remains liquid as it reaches the pressure chamber, and/or the flow rate of the water in the third pipe configuration is regulated such that the heated water therein remains liquid as it reaches the pressure chamber 6.
  • the heated water thus then enters the pressure chamber 6 through the inlet 6b, where it is pressurised to a suitable high pressure.
  • the pressurised steam the steam having a pressure of e.g. 3-10 Bar, leaves the pressure chamber 6 through the outlet 6b and continues through the pipe 7 via a safety valve means (not shown) and enters the primary chamber 7a.
  • the device I further comprises means for regulating the temperature of the fluid in the second pipe 54, for example a temperature regulator 70 arranged to regulate the temperature of the fluid, e.g. water, in the second pipe 54.
  • a temperature regulator 70 arranged to regulate the temperature of the fluid, e.g. water, in the second pipe 54.
  • the device I further comprises means for regulating the flow rate of the fluid in the second pipe 54, for example a flow regulator 80, valve means or the like.
  • the preheated water in the jacket 50 is also discharged from the jacket 50 through the first outlet 5a into the second pipe 54.
  • Water from the second pipe 54 is continuously introduced and sprayed into the primary chamber 7a via the nozzle 54a.
  • the nozzle is configured such that the water exiting the nozzle is a mist having a droplet size in the range of microns, preferably less than 10 microns.
  • the steam in the pipe 7 is, due to preheating in the jacket, preheating in the third pipe 56, and heating in the pressure chamber, e.g. approximately 140-180 °C.
  • the water is preheated in the jacket 50 a higher efficiency is achieved and thus a higher temperature of the steam entering the primary injection chamber 7a is achieved than had the water introduced in the third pipe been cold water.
  • the water sprayed into the primary chamber is e.g. approximately 50-80 °C due to the preheating in the jacket 50.
  • the steam and the water mist are mixed in the primary chamber 7a, such that a steam of slightly lower temperature, but with a higher content of water is achieved. Due to the fact that the steam in the primary chamber 7a is pressurised, the water introduced is, by means of the pressurised steam, i.e. the flow rate of the steam, disintegrated and vaporised.
  • the flow rate is thus increased, due to the injected water mist, the flow rate depending on the amount of water injected.
  • the flow rate may increase from e.g. approximately 10 rrvVmin at about 150-160 °C to e.g. approximately 20 rrvVmin at about 130-140 °C. Due to the preheating in the jacket 50 the temperature of the steam containing the water mist is increased in comparison to cold water in the second pipe 54 and the third pipe 56.
  • the steam with high water content is introduced/flows into the outer cavity 8b of the secondary injection chamber 8 and flows towards the mixing chamber 13.
  • the steam flows in the outer cavity 8b it is heated by means of the exhaust gas flowing in the inner cavity 8a of the injection chamber 8 towards the mixing chamber 13, the exhaust gas having a temperature of e.g. approximately 400-800 °C, depending e.g. on design, dimensions etc.
  • the steam is heated by means of the exhaust gas to a temperature of e.g. 250- 400 °C, depending on e.g. design, exhaust gas temperature, amount of water injected into the primary chamber 7a etc., and consequently expands correspondingly.
  • the hot steam enters the mixing chamber it will due to the expansion have a high flow rate.
  • the steam enters the mixing chamber through nozzle like holes/openings 13a in the inner tube dividing the inner and outer cavities.
  • the steam having, a high flow rate, is mixing with the exhaust gas creating a steam and exhaust gas mixture, referred to as steamex.
  • the holes 13a are configured such that an ejector effect is achieved as the steam projects through the same.
  • the ejection has the effect that the steam lifts the exhaust gases or brings the exhaust gases with the steam as they mix, i.e. has a jet suction effect.
  • a depression is thus created such that the combustion continues, i.e. the burning of the fuel is not extinguished.
  • the mixing chamber 13 has a larger cross sectional area than the inner cavity 8a, preferably a cross sectional area corresponding to the sum of the cross sectional area of the inner cavity 8a and outer cavity 8b.
  • the effect of the water injection, or rather injection of water mist of less than 10 microns, into the primary chamber 7a is that a higher volume/amount of steam is achieved, and a steamex having a higher water content, e.g. about 96 % instead of e.g. about 83 % without water injection and a lower temperature, e.g. without water injection.
  • the reduction in temperature is, due to the preheating of the water by means of heat radiation from the combustion chamber 2 prior to injecting it into the primary chamber 7a less compared to injection of cold water.
  • the dew point is increased considerably.
  • the dew point is increased to e.g. to about 86-92 °C instead of e.g. about 65-68 °C without water injection.
  • the dew point is further increased due to the preheating of the water in the jacket 50 prior to injection, and a dew point close to 100 °C is achievable due to the effect of introducing preheated water mist into the steam.
  • the temperature of the water flowing in the second pipe is regulated by means of the temperature regulator 70.
  • the flow rate of the water flowing in the second pipe is regulated by means of the flow regulator 80.
  • the dew point may be varied.
  • the temperature of the water mist injected into the primary chamber 7a the dew point may be varied.
  • Fig. 2 schematically shows an elevational view in cross section of a device Il for efficient energy transformation by means of a gaseous medium comprising steam according to a second embodiment of the present invention.
  • the second embodiment differs from the first embodiment according to fig. 1 in that the second transport means 54 is directly connected to the secondary injection chamber 8, such that the preheated water is intended to be introduced into the outer cavity 8b of the secondary injection chamber 8 via the nozzle 54a.
  • the disintegration effect of the injected fluid e.g. water
  • the disintegration effect of the injected fluid e.g. water
  • Fig. 3 schematically shows an elevational view in cross section of a device III for efficient energy transformation by means of a gaseous medium comprising steam according to a third embodiment of the present invention.
  • the third embodiment differs from the first embodiment according to fig. 1 in that the chamber 2 instead of the second inlet 4b according to fig. 1 comprises a second inlet 4c arranged through the chamber wall, i.e. through the outer wall 2b and inner wall 2a.
  • the third fluid transport means 56 i.e. the helical third pipe 56 is connected to the second inlet 4c.
  • a fifth fluid transport means 58 e.g. a pipe configuration 58 is connected to the second inlet 4c for introducing fluid, for example water, into the third pipe configuration 56.
  • the fifth fluid transport means 58 i.e. the fifth pipe configuration 58 is arranged relative to the combustion chamber such that it is heated by means of the heat produced by the means 3 of burning a fuel.
  • the fifth pipe configuration 58 is externally arranged along the combustion chamber such that heat from the means 3 for burning a fuel radiating from the combustion chamber heats the fifth pipe configuration 58 and thus the fluid therein.
  • the fifth pipe configuration 58 is internally arranged along the combustion chamber such that heat from the means 3 for burning a fuel radiating from the combustion chamber heats the fifth pipe configuration 58 and thus the fluid therein.
  • the fluid introduced into the fifth fluid transport means 58 is different from the fluid introduced into the first fluid transport means 52.
  • An advantage is that a different fluid medium may be used in the fifth fluid transport means 58 than the one introduced into the first fluid transport means 52.
  • the fluid introduced into the fifth fluid transport means 58 is the same as the fluid introduced into the first fluid transport means 52.
  • Fig. 4 schematically shows an elevational view in cross section of a device IV for efficient energy transformation by means of a gaseous medium comprising steam according to a fourth embodiment of the present invention.
  • the fourth embodiment differs from the first embodiment according to fig. 1 in that the device IV further comprises a fluid supply means 90 for supplying a chemical substance connected to the primary chamber 7a.
  • the primary injection chamber 7a comprises an inlet 90a through which the fluid comprising a chemical substance different from water and air is intended to be supplied into the primary chamber 7a where it is intended to mix with the steam therein.
  • the steam and the chemical substance are mixed in the primary chamber 7a, such that a mixture of the steam and the chemical substance having a slightly lower temperature, e.g. approximately 120-160 °C, than the temperature of the steam introduced from the pressure chamber 6.
  • the mixture of the steam and the chemical substance is introduced into the outer cavity 8b and is then mixed with the exhaust gas in the mixing chamber in accordance with the first embodiment, such that a mixture of steam, chemical substance and exhaust gas is achieved. This mixture is intended to be discharged through the outlet 20.
  • the effect of the injection of a chemical substance in the hot pressurised steam is that it is disintegrated and vaporised.
  • the exhaust gas is mixed with a steam comprising chemical substance.
  • the mixture of the steam comprising the vaporised chemical substance when introduced into a cavity, due to the properties of the steam and the high temperature of the mixture fills the cavity rapidly and e.g. melts and dissolves soot, oil or the like, or extinguishes a fire, depending on application.
  • a fluid supply means 90' for supplying a chemical substance is connected to the outer cavity 8b.
  • the outer cavity 8b comprises an inlet 90'a through which the fluid comprising a chemical substance different from water and air is intended to be supplied into the outer cavity 8b where it is intended to mix with the steam therein.
  • the mixture of the steam and the chemical substance is then mixed with the exhaust gas in the mixing chamber in accordance with the first embodiment, such that a mixture of steam, chemical substance and exhaust gas is achieved. This mixture is intended to be discharged through the outlet 20.
  • the disintegration effect of the injected chemical substance/substances directly into the steam in the outer cavity 8b is less as compared to the disintegration effect when introduced into the primary chamber 7a.
  • a fluid supply means 90" for supplying a chemical substance is connected to the second fluid transport means 54.
  • the fluid transport means 54 comprises an inlet 90"a through which the fluid comprising a chemical substance different from water and air is intended to be supplied into the fluid transport means 54 where it is intended to mix with the hot water therein.
  • the mixture of hot water and the chemical substance is then sprayed into the primary chamber such that it is mixed with the steam, in accordance with the first embodiment.
  • the mixture of the steam and the chemical substance is introduced into the outer cavity 8b and is then mixed with the exhaust gas in the mixing chamber in accordance with the first embodiment, such that a mixture of steam, chemical substance and exhaust gas is achieved. This mixture is intended to be discharged through the outlet 20.
  • An effect of introducing the chemical substance into the second fluid transport means 54 is that it is preheated by means of the hot fluid, e.g. water, therein prior to being introduced into the primary chamber 7a.
  • the hot fluid e.g. water
  • the fluid supply means 90, 90', 90" may be combined, such that one, two or all are used.
  • the chemical substance has properties suitable for extinguishing fires, and may comprise substances comprising salts.
  • the chemical substance/substances have for example oxygen removing properties.
  • the chemical substance has properties suitable for cleaning, in spaces such as kitchen ducts.
  • the chemical substance/substances have for example fat soluble properties.
  • the chemical substance has properties suitable for extinguishing oil.
  • the chemical substance/substances have for example oil soluble properties.
  • Fig. 5 schematically shows a perspective view of a device V for efficient energy transformation by means of a gaseous medium comprising steam according to a fifth embodiment of the present invention.
  • the device V according to the fifth embodiment is substantially a combination of a gas turbine or the like and the device 100, the device substantially corresponding to the device I according to the first embodiment, as will be explained below.
  • the device V comprises a gas turbine part 200 and a steam/exhaust gas mixture generator part, i.e. a steamex generator part 100.
  • the gas turbine part 200 comprises an air inlet 210, means 220 for sucking air into the gas turbine part 200 such as a fan 220 preferably arranged downstream of the air inlet, a combustion chamber 230 or similar space/cavity, and means for combusting a fuel within said combustion chamber 230, said fuel preferably being arranged to be introduced into the combustion chamber via a fuel inlet 240.
  • the gas turbine part comprises compressor means arranged to compress the air sucked in through the air inlet.
  • the gas turbine part comprises a turbine means, e.g.
  • the device comprises a constriction means, e.g. a convergent nozzle or the like, arranged to receive the exhaust gas and air, for accelerating said exhaust gas and air through the same in order to increase the flow rate.
  • a constriction means e.g. a convergent nozzle or the like
  • the gas turbine part could be any kind of gas turbine having any design suitable for producing exhaust gas of high flow rate, the gas turbine being adaptable with the device according to the first embodiment, or similar device intended to produce steamex.
  • the means for burning the fuel which in fig. 1 as an example is constituted by a burner 3, here may be constituted by ignition means in a gas turbine, such that a high flow rate of the exhaust gas produced is achieved.
  • an alternative way of introducing air is to blow the air into said air inlet by blowing means.
  • the steamex generator part comprises a heating chamber 2.
  • the chamber has an inner wall 2a and an outer wall 2b, said walls forming a fluid jacket 50.
  • the jacket 50 is also arranged to surround the combustion chamber portion 230 of the device IV.
  • the chamber comprises a first fluid inlet 4a arranged at an upper portion of the outer wall 2b, for introducing a fluid, e.g. water into the jacket 50, i.e. into the space formed between the inner wall 2a and the outer wall 2b, via a first fluid transport means, e.g. a first pipe 52.
  • the chamber 2 further comprises a first outlet 5a arranged at the outer wall 2b, for discharging fluid from the jacket into a second fluid transport means 54, e.g. a second pipe 54.
  • the chamber 2 further comprises a second inlet 4b arranged at the inner wall 2a, for discharging fluid from the jacket into third fluid transport means 56, e.g. a third pipe 56.
  • the fluid is arranged to be transported within the chamber 2 by means of the third fluid transport means 56 such that it is heated by means of the heating means 3.
  • the third fluid transport means e.g. said third pipe 56, preferably has a helical shape, i.e. constituting a coil 56, rising upwardly in the combustion chamber 2.
  • the coil 56 is arranged within the combustion chamber 2 such that it substantially surrounds the flame of the burning means 3. In this way the fluid is heated from the heat from burning the fuel in an efficient way with minimum heat losses.
  • the device further comprises a pressure chamber 6 arranged within the chamber 2, in an upper portion.
  • the pipe configuration 56 is connected to an upper portion of the pressure chamber 6. Fluid, e.g. water is intended to be introduced into the pressure chamber 6 through an inlet 6a, and boiled.
  • the pressure chamber 6 further comprises an outlet 6b in the upper portion thereof, to which a fourth fluid transport means 7, e.g. a fourth pipe 7 is connected.
  • the fourth pipe 7 is arranged through a second outlet 5b in the chamber wall.
  • An end portion of the pipe 7 constitutes a primary injection chamber 7a into which a fluid, e.g. water is intended to be injected.
  • the second pipe 54 is connected to the primary chamber 7a via a first branch pipe 54'.
  • the branch pipe 54' has a nozzle 54a at the end arranged such that, when fluid, such as water preheated in the jacket 50, is arranged to be discharged there through, it is sprayed into the primary chamber 7a.
  • the device further comprises a secondary injection chamber 8 having an inner cavity 8a and an outer cavity preferably coaxially surrounding the inner cavity 8a, said chamber 8 being attached to the top of the chamber 2.
  • the primary chamber 7a is connected to the outer cavity 8b of the secondary injection chamber 8. Steam from said primary chamber 7a is intended to be introduced into the outer cavity 8b of the injection chamber 8 via the pipe 7.
  • the exhaust gas is intended to be introduced into the inner part 8a of the injection chamber 8.
  • the second pipe 54 is also connected, via a temperature regulation means 170, to a third fluid inlet 250 arranged at a lower portion of the turbine part 200 via a second branch pipe 54".
  • the device further comprises a sixth fluid transport means 52' for transporting a cold fluid medium, for example cold water, said sixth fluid transport means 52' being connected to the third fluid inlet 250.
  • the sixth fluid transport means 52' may be fed from the same source as the first fluid transport means 52, or a different source.
  • the third fluid inlet 250 preferably fluid, e.g. water, more preferably fluid mist, e.g. water mist, having a droplet size in the range of microns, preferably less than 10 microns, is arranged to be introduced into the turbine part 200.
  • the water is sprayed into the air inlet 210, via the third fluid inlet 250, through openings/ nozzles 250a, preferably arranged circumferentially about the air inlet 210.
  • the temperature of the fluid introduced into the third fluid inlet 250 is arranged to be regulated by means of the temperature regulation means 170.
  • the third fluid inlet 250 is preferably located at the air inlet 210 side of the turbine part 200, such that the mist is mixed with the air.
  • the fluid mist of less than 10 microns is e.g. accomplished by means of a nozzle.
  • the air is arranged to be filtered prior to entering the turbine part.
  • the device further comprises flow regulation means 180 for regulating the flow rate of the fluid medium introduced into the third fluid inlet 250.
  • the temperature of the fluid mist, e.g. water mist, introduced into the third inlet 250 is cold, e.g. in the range of 2-8 °C. In this way the air introduced into the air inlet is cooled, i.e. an air cooler effect is achieved.
  • the working temperature in the combustion chamber 230 of the turbine part is arranged to be controlled by means of the temperature regulation means 170, such that the temperature in the combustion chamber 230 does not exceed e.g. 1200 °C.
  • the flow regulation means 180 regulating the flow rate of the fluid, e.g. water introduced into the air in the air inlet 210, the combustion temperature is controlled. With a higher flow rate of the introduced water the efficiency is increased, as the more air/water is provided through by means of the turbine part, and the higher flow rate at the same time results in a reduction in combustion temperature due to higher amount of water. Due to the water injection in the air the relative humidity in the combustion air is increased.
  • the fluid e.g. water introduced into the air in the air inlet 210
  • air When operated, air is continuously introduced, e.g. sucked, into the turbine part 200 through the air inlet 210 by means of e.g. the fan 220.
  • the air is heated in the combustion chamber 230 by means of burning means, such that the air expands.
  • the gas of exhaust gas and air is directed towards the mixing chamber 13 at a high velocity.
  • the air is compressed by means of compressor means after having been introduced into the air inlet 210, giving the air a higher pressure.
  • fuel is injected through the fuel inlet 240 and mixed with the compressed air and is ignited by ignition means internally, i.e. in the combustion chamber 230. Substantially all of the air is heated and expands rapidly. It is exhausted as a high velocity gas, i.e.
  • a constriction means for example a convergent nozzle.
  • a turbine means e.g. a blade of a turbine wheel, the energy created being used to drive the compressor means, the remaining portion being directed towards the mixing chamber 13.
  • water is introduced through the first pipe 52 into the jacket 50.
  • the water introduced into the jacket 50 is preheated by means of heat provided by burning the fuel in the combustion chamber 230.
  • the preheated water is flowing from the jacket 50 through the second inlet 4b into the third pipe 56, where it is preheated further by means of the fuel in the combustion chamber 230.
  • the heated water and/or steam then enters the pressure chamber 6 through the inlet 6b, where it is pressurised to a suitable high pressure.
  • the pressurised steam the steam having a pressure of e.g. 3-10 Bar, leaves the pressure chamber 6 through the outlet 6b and continues through the pipe 7 via the valve and enters the primary chamber 7a.
  • the steam and the water mist are mixed in the primary chamber 7a, such that a steam of slightly lower temperature, e.g. approximately 130-170 °C, but with a higher content of water is achieved.
  • the flow rate is thus increased, due to the injected water mist, the flow rate depending on the amount of water injected.
  • the flow rate may increase from e.g. approximately 10 rrvVmin at about 150-160 °C to e.g. approximately 20 rrvVmin at about 130-140 °C. Due to the preheating in the jacket 50 the temperature of the steam containing the water mist is increased in comparison to providing cold water of e.g. 6 °C in the second pipe 54 and the third pipe 56.
  • the steam with high water content is introduced/flows into the outer cavity 8b of the secondary injection chamber 8 and flows towards the mixing chamber 13.
  • the steam flows in the outer cavity 8b it is heated by means of the exhaust gas flowing in the inner cavity 8a of the injection chamber 8 towards the mixing chamber 13, the exhaust gas having a temperature of e.g. approximately 400-800 °C, depending e.g. on design and dimensions.
  • the steam is heated by means of the exhaust gas to a temperature of e.g. about 250-400 °C, depending on design, amount of water supplied to the primary chamber 7a, exhaust gas temperature etc. and consequently expands correspondingly.
  • the hot steam enters the mixing chamber it will due to the expansion have a high flow rate.
  • the effect of the water injection, or rather injection of water mist of less than 10 microns, into the primary chamber 7a is that a higher volume/amount of steam is achieved, and a steamex having a higher water content, e.g. about
  • the dew point is increased considerably.
  • the dew point is increased to e.g. to about 86-92 °C instead of e.g. about 65-68 °C without water injection.
  • the dew point is further increased due to the preheating of the water in the jacket 50 prior to injection, and a dew point close to 100 °C is achievable.
  • the temperature of the water flowing in the second pipe is regulated by means of the temperature regulator 70.
  • the flow rate of the water flowing in the second pipe is regulated by means of the flow regulator 80.
  • the dew point may be varied. Having a high dew point in the steamex offers the advantage that the steamex can "carry" the energy a further distance, as there is a higher water content in the steamex.
  • the water injected at the third fluid inlet 250 is thus preheated by means of the burning fuel in the combustion chamber 230.
  • the effect of mixing preheated water mist, instead of cold water mist, introduced into the third fluid inlet 250 with air is that the efficiency is increased.
  • the water may be fed from the same source as the water/steam fed to and injected into the primary injection chamber 7a and the inlet 4a into the chamber 2 of the steamex generator part, or water may be fed from separate sources.
  • exhaust gas at high pressure/high flow rate is produced, which facilitates transporting the steamex long distances at high velocity/high pressure, where the high dew point of the steamex, i.e. the high water content in the hot steamex the energy content is preserved, i.e. energy losses are reduced. Due to the high pressure and high flow rate achieved, the device facilitates filling up large cavities in short time.
  • the device may advantageously be used for extinguishing fires in coal mines by means of the steam and exhaust gas mixture of high flow rate/pressure and high water content/dew point.
  • the device may be used for extracting oil in oil sand under ground, where the steam and exhaust gas mixture due to the high energy content, i.e. the high dew point/high water content and high flow rate may be transported further.
  • any kind of means for achieving a high flow rate of exhaust gas for heating steam and be mixed by said steam may be used, such as e.g. a gas generator or the like.
  • the steamex generator part is similar to the first embodiment according to fig. 1 apart from the burning means.
  • a steamex generator part according to the second and third embodiments of fig. 2 and 3 may alternatively be used in connection with the turbine part of the device according to the embodiment of fig. 5.
  • Fig. 6 schematically shows a perspective view of a device Vl for efficient energy transformation by means of a gaseous medium comprising steam according to a sixth embodiment of the present invention.
  • the sixth embodiment differs from the fifth embodiment in fig. 5 in that the device Vl, in accordance with the fourth embodiment of fig. 4, further comprises a fluid supply means 90 for supplying a chemical substance connected to the primary chamber 7a.
  • the primary injection chamber 7a comprises an inlet 90a through which the fluid comprising a chemical substance different from water and air is intended to be supplied into the primary chamber 7a where it is intended to mix with the steam therein.
  • a chemical substance supply means 90 could be connected to the primary chamber 7a and/or to the outer cavity 8b of the secondary chamber 8, for supplying a chemical substance other than water and air.
  • a difference between the device I, II, III and IV according to the first, second, third and fourth embodiment and the device V and Vl according to the fifth and sixth embodiment is the following.
  • the steam in the secondary chamber 8 having a certain flow rate directed towards the outlet 20 is arranged to bring the exhaust gas through the outlet at a certain speed in connection with the steam and exhaust gas mixing step.
  • the exhaust gas having, due to the turbine effect, a much higher flow rate than the steam is arranged to bring the steam through the outlet 20 at a certain higher speed in connection with the steam and exhaust gas mixing step.
  • the openings 13a are pressurised due to the high flow rate of the exhaust gas.
  • the steam is thus produced from a first fluid medium, e.g. water, separated from the exhaust gas from combustion of a fuel in the combustion chamber 2, in a steam generating step, said fuel being provided for burning for providing energy for heating said first fluid medium, wherein the steam is arranged to be mixed with the exhaust gas from combustion of said fuel in a mixing step.
  • a first fluid medium e.g. water
  • the steam is produced separated in a supply means, e.g. the third pipe configuration 56 and the pressure chamber 6.
  • the steam has been produced it is then mixed with the exhaust gas, in this example embodiment in the mixing chamber 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)

Abstract

L'invention concerne un procédé de production d'un milieu gazeux comprenant de la vapeur, cette vapeur étant produite à partir d'un premier milieu fluidique séparé du gaz d'échappement de la combustion d'un combustible au cours d'une étape de génération de vapeur, ledit combustible étant brûlé pour générer de l'énergie destinée à chauffer ledit premier milieu fluidique. Ledit procédé comprend également une étape de mélange de la vapeur ainsi produite avec le gaz d'échappement de la combustion dudit combustible, et une étape de préchauffage d'un milieu fluidique séparé de l'étape de génération de vapeur, de l'énergie pour préchauffer le milieu fluidique étant fournie par ledit combustible.
PCT/SE2008/051044 2007-09-28 2008-09-18 Procédé et dispositif de production d'un milieu gazeux comprenant de la vapeur WO2009041891A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0702190-0 2007-09-28
SE0702190 2007-09-28

Publications (1)

Publication Number Publication Date
WO2009041891A1 true WO2009041891A1 (fr) 2009-04-02

Family

ID=40511684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2008/051044 WO2009041891A1 (fr) 2007-09-28 2008-09-18 Procédé et dispositif de production d'un milieu gazeux comprenant de la vapeur

Country Status (1)

Country Link
WO (1) WO2009041891A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2686111C2 (ru) * 2010-09-30 2019-04-24 Сони Корпорейшн Электронное устройство и способ для контроля физических нисходящих каналов управления
CN114278918A (zh) * 2021-12-30 2022-04-05 中国矿业大学 一种沉浸式防爆高温混合气发生装置
CN116618370A (zh) * 2023-07-24 2023-08-22 中国石油大学(华东) 一种锰矿清洗筛分装置
WO2024084279A1 (fr) * 2022-10-22 2024-04-25 Universal Dynamics Inovasyon Ve Teknoloji Anonim Sirketi Chaudières à vapeur haute performance à économie de carburant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678039A (en) * 1986-01-30 1987-07-07 Worldtech Atlantis Inc. Method and apparatus for secondary and tertiary recovery of hydrocarbons
WO2004005797A1 (fr) * 2002-07-05 2004-01-15 Aberdeen University Générateur de vapeur à brûleur direct
US20060286493A1 (en) * 2003-08-01 2006-12-21 Michael Abrahamsson Method device and system for heating
WO2007038255A2 (fr) * 2005-09-28 2007-04-05 Goodfield Energy Corporation Generateur de vapeur avec prechauffage et methode d'utilisation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678039A (en) * 1986-01-30 1987-07-07 Worldtech Atlantis Inc. Method and apparatus for secondary and tertiary recovery of hydrocarbons
WO2004005797A1 (fr) * 2002-07-05 2004-01-15 Aberdeen University Générateur de vapeur à brûleur direct
US20060286493A1 (en) * 2003-08-01 2006-12-21 Michael Abrahamsson Method device and system for heating
WO2007038255A2 (fr) * 2005-09-28 2007-04-05 Goodfield Energy Corporation Generateur de vapeur avec prechauffage et methode d'utilisation

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2686111C2 (ru) * 2010-09-30 2019-04-24 Сони Корпорейшн Электронное устройство и способ для контроля физических нисходящих каналов управления
US10779358B2 (en) 2010-09-30 2020-09-15 Sony Corporation Discontinuous reception method, mobile station, base station and wireless communication system
US10993280B2 (en) 2010-09-30 2021-04-27 Sony Corporation Discontinuous reception method, mobile station, base station and wireless communication system
US11758611B2 (en) 2010-09-30 2023-09-12 Sony Group Corporation Discontinuous reception method, mobile station, base station and wireless communication system
CN114278918A (zh) * 2021-12-30 2022-04-05 中国矿业大学 一种沉浸式防爆高温混合气发生装置
CN114278918B (zh) * 2021-12-30 2024-03-22 中国矿业大学 一种沉浸式防爆高温混合气发生装置
WO2024084279A1 (fr) * 2022-10-22 2024-04-25 Universal Dynamics Inovasyon Ve Teknoloji Anonim Sirketi Chaudières à vapeur haute performance à économie de carburant
CN116618370A (zh) * 2023-07-24 2023-08-22 中国石油大学(华东) 一种锰矿清洗筛分装置
CN116618370B (zh) * 2023-07-24 2023-12-08 中国石油大学(华东) 一种锰矿清洗筛分装置

Similar Documents

Publication Publication Date Title
US10775038B2 (en) Method and device for producing a gaseous medium comprising steam
EP1718413B1 (fr) Procede et appareil de generation de brouillard
US10507480B2 (en) Method and apparatus for generating a mist
US9004375B2 (en) Method and apparatus for generating a mist
RU2175100C2 (ru) Способ сушки и нагрева и устройство для его осуществления
US4224991A (en) Method and apparatus for extracting crude oil from previously tapped deposits
US8100191B2 (en) Vapour explosion chamber
US20110000666A1 (en) Vitiated Steam Generator
CZ283728B6 (cs) Způsob a zařízení pro rozprašování kapaliny nebo kalu
WO2009041891A1 (fr) Procédé et dispositif de production d'un milieu gazeux comprenant de la vapeur
US5690039A (en) Method and apparatus for reducing nitrogen oxides using spatially selective cooling
EP2010820B1 (fr) Procédé de production d'un mélange gazeux comportant de la vapeur
JP2007514119A (ja) 水素を用いて液体燃料を燃焼させる方法および装置
JP2007139323A (ja) 燃料噴霧チップ、燃料燃焼装置および燃料燃焼方法
Beheshti et al. A novel spray system inspired by the bombardier beetle
JPS58178109A (ja) ガス併用の燃料油燃焼方法
RU2622829C1 (ru) Способ тушения пожаров на объектах хранения боеприпасов и устройство для его осуществления
WO2009110841A1 (fr) Dispositif et procédé pour produire un milieu gazeux comportant de la vapeur
SU1641972A1 (ru) Огнеструйна горелка дл разрушени минеральных сред
KR100533320B1 (ko) 플래쉬 분무공정
JPH0529803B2 (fr)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08834682

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE