EP0911082A4 - Method for producing a gas-droplet jet stream, equipment and nozzle therefor - Google Patents

Method for producing a gas-droplet jet stream, equipment and nozzle therefor

Info

Publication number
EP0911082A4
EP0911082A4 EP97932056A EP97932056A EP0911082A4 EP 0911082 A4 EP0911082 A4 EP 0911082A4 EP 97932056 A EP97932056 A EP 97932056A EP 97932056 A EP97932056 A EP 97932056A EP 0911082 A4 EP0911082 A4 EP 0911082A4
Authority
EP
European Patent Office
Prior art keywords
gas
flow
nozzle
liquid
producing
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
Application number
EP97932056A
Other languages
German (de)
French (fr)
Other versions
EP0911082B1 (en
EP0911082A1 (en
Inventor
Jury Vladimirovich Zuev
Alexandr Vladimirovi Karpyshev
Igor Alexandrovich Lepeshinsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAUCHNO-ISSLEDOVATELSKY INST. NIZKIKH TEMPERATUR P
Original Assignee
NAUCHNO-ISSLEDOVATELSKY INSTITUT NIZKIKH TEMPERATUR PRI MAI(MOSKOVSKOM GOSUDARSTVENNNOM AVIATSIONNOM INSTITUTE - TEKHNICHESKOM
NII NIZKIKH TEMPERATUR PRI MAI
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 NAUCHNO-ISSLEDOVATELSKY INSTITUT NIZKIKH TEMPERATUR PRI MAI(MOSKOVSKOM GOSUDARSTVENNNOM AVIATSIONNOM INSTITUTE - TEKHNICHESKOM, NII NIZKIKH TEMPERATUR PRI MAI filed Critical NAUCHNO-ISSLEDOVATELSKY INSTITUT NIZKIKH TEMPERATUR PRI MAI(MOSKOVSKOM GOSUDARSTVENNNOM AVIATSIONNOM INSTITUTE - TEKHNICHESKOM
Publication of EP0911082A1 publication Critical patent/EP0911082A1/en
Publication of EP0911082A4 publication Critical patent/EP0911082A4/en
Application granted granted Critical
Publication of EP0911082B1 publication Critical patent/EP0911082B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/045—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber the gas and liquid flows being parallel just upstream the mixing chamber
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0207—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by blowing air or gas currents with or without dispersion of fire extinguishing agents; Apparatus therefor, e.g. fans
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber

Abstract

A procedure for generating a gas/droplet flow consists of accelerating a gas flow in a gas-dynamic nozzle and while it is accelerating adding a dispersed liquid flow. The resulting two-phase flow is then accelerated in the nozzle, the pressure (P) at the input end of which and the relative concentration (g) of liquid in the two-phase flow are determined by set relationships, where P x g is not more than 0.57 GPa; P is at least 0.5 MPa, and g = Gl/Gg where Gl is the mass flow of liquid and Gg is the mass flow of gas. The gas flow for the procedure is created by at least one turbo-compressor feeding a gas-dynamic nozzle with a mixing chamber for the liquid (water) and gas, and a shaped nozzle channel (7) with its length at least five times its critical cross-section.
EP97932056A 1996-07-08 1997-07-07 Method for producing a gas-droplet jet stream, equipment and nozzle therefor Expired - Lifetime EP0911082B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU96113451 1996-07-08
RU96113451/25A RU2107554C1 (en) 1996-07-08 1996-07-08 Method of forming gaseous dripping jet; plant for realization of this method and nozzle for forming gaseous dripping jet
PCT/RU1997/000217 WO1998001231A1 (en) 1996-07-08 1997-07-07 Method for producing a gas-droplet jet stream, equipment and nozzle therefor

Publications (3)

Publication Number Publication Date
EP0911082A1 EP0911082A1 (en) 1999-04-28
EP0911082A4 true EP0911082A4 (en) 2000-07-26
EP0911082B1 EP0911082B1 (en) 2001-12-05

Family

ID=20182762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97932056A Expired - Lifetime EP0911082B1 (en) 1996-07-08 1997-07-07 Method for producing a gas-droplet jet stream, equipment and nozzle therefor

Country Status (8)

Country Link
EP (1) EP0911082B1 (en)
AT (1) ATE209970T1 (en)
DE (1) DE59705677D1 (en)
DK (1) DK0911082T3 (en)
ES (1) ES2169406T3 (en)
PT (1) PT911082E (en)
RU (1) RU2107554C1 (en)
WO (1) WO1998001231A1 (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2131379C1 (en) * 1998-02-06 1999-06-10 Научно-исследовательский институт низких температур при Московском государственном авиационном институте - техническом университете Method of extinguishing fire by means of flying vehicle and device for realization of this method
RU2132752C1 (en) 1998-04-13 1999-07-10 Научно-исследовательский институт низких температур при МАИ (Московском государственном авиационном институте - техническом университете) Apparatus for generating gas-and-drop jet and valve for supplying two-phase working fluid
SK283606B6 (en) * 2000-04-11 2003-10-07 Július Chrobák Process for increasing the injection of continuous pressurised beam
FI20011787A (en) 2001-09-10 2003-03-11 Marioff Corp Oy Method at the spray head and at the spray head
RU2243036C1 (en) * 2003-04-17 2004-12-27 Закрытое акционерное общество "СИЛЭН" Method to form a gas-drop jet and a device for its realization
RU2252080C1 (en) * 2003-08-22 2005-05-20 Закрытое акционерное общество "СИЛЭН" Method and device for two-phase gas-and-droplet jet forming
CA2556649C (en) 2004-02-26 2012-07-10 Pursuit Dynamics Plc Improvements in or relating to a method and apparatus for generating a mist
DK1718413T3 (en) 2004-02-26 2010-03-08 Pursuit Dynamics Plc Method and apparatus for producing a door
US20080103217A1 (en) 2006-10-31 2008-05-01 Hari Babu Sunkara Polyether ester elastomer composition
US8419378B2 (en) 2004-07-29 2013-04-16 Pursuit Dynamics Plc Jet pump
EP1894635A4 (en) * 2005-05-23 2009-06-10 Lepeshinsky Igor Aleksandrovic Method for producing a two-phase gas-droplet jet and a device for carrying out said method
RU2292959C1 (en) 2005-06-08 2007-02-10 Игорь Александрович Лепешинский Method of formation of the gas-dripping spray and the device for its realization
FR2894854B1 (en) * 2005-12-15 2008-02-22 Egci Pillard Sa MIXING CHAMBER AND SPRAY DEVICE COMPRISING SUCH A ROOM
GB0618196D0 (en) 2006-09-15 2006-10-25 Pursuit Dynamics Plc An improved mist generating apparatus and method
ATE523597T1 (en) 2007-05-02 2011-09-15 Pursuit Dynamics Plc LIQUIDATION OF STARCH-CONTAINED BIOMASS
WO2011099900A1 (en) * 2010-02-15 2011-08-18 Lamie Saif Fluid ejector
RU2445139C1 (en) * 2010-10-25 2012-03-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский университет Государственной противопожарной службы Министерства Российской Федерации по делам гражданской обороны, чрезвычайным ситуациям и ликвидации последствий стихийных бедствий" Barrel pump
RU2472591C2 (en) * 2011-04-21 2013-01-20 Сайнмет Ла, Инкорпорейтед Method of making fine-dispersed mixes of different phase components and device to this end
RU2492936C1 (en) * 2012-03-13 2013-09-20 Игорь Александрович Лепешинский Method of forming gas-drop jet
RU2482928C1 (en) * 2012-03-20 2013-05-27 Олег Савельевич Кочетов Kochetov's gas-drop jet generator
RU2487763C1 (en) * 2012-03-20 2013-07-20 Олег Савельевич Кочетов Gas-drop jet generator
RU2482926C1 (en) * 2012-04-27 2013-05-27 Олег Савельевич Кочетов Long-range gas-drop jet generator
RU2533958C1 (en) * 2013-08-29 2014-11-27 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Jet adapter of jet propeller
RU2556672C1 (en) * 2013-12-20 2015-07-10 Игорь Александрович Лепешинский Method of creation of gas-droplet jet, and device for its implementation
RU2548070C1 (en) * 2014-01-20 2015-04-10 Олег Савельевич Кочетов Kochetov's method of long range gas-droplet jet creation and device for its implementation
EP3230598B1 (en) * 2014-12-12 2021-10-13 General Electric Company System and method for conditioning flow of a wet gas stream
RU2576296C1 (en) * 2015-02-06 2016-02-27 Олег Савельевич Кочетов Kochetov(s vortex foam generator
RU2622927C1 (en) * 2016-03-14 2017-06-21 Олег Савельевич Кочетов Kochetov's foam generator
RU2624110C1 (en) * 2016-03-18 2017-06-30 Татьяна Дмитриевна Ходакова Foam generator
RU2631277C1 (en) * 2016-05-27 2017-09-20 Олег Савельевич Кочетов Vortex atomizer by kochetov
RU2650124C1 (en) * 2017-02-22 2018-04-09 Олег Савельевич Кочетов Pneumatic nozzle
RU2645984C1 (en) * 2017-03-13 2018-02-28 Олег Савельевич Кочетов Pneumatic nozzle
CN108672119B (en) * 2018-07-04 2024-02-13 浙江精勇精锻机械有限公司 Automatic spraying device for release agent
EP4132664A1 (en) * 2020-04-10 2023-02-15 JETEX Innovation, s.r.o. Fire extinguishing equipment with fire nozzle
FR3115714B1 (en) 2020-10-30 2024-01-12 Etat Francais Represente Par Le Prefet De Police Agissant Au Nom Et Pour Le Compte De La Ville De Pa DEVICE FOR GENERATING A TWO-PHASIC FLUID JET

Citations (4)

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Publication number Priority date Publication date Assignee Title
BE571082A (en) *
US4801090A (en) * 1985-10-09 1989-01-31 Hochiki Corp. Discharge pipe and discharge apparatus using the same
DE3933582A1 (en) * 1989-10-07 1991-04-18 Total Feuerschutz Gmbh Mixing nozzle for producing foam for fire-fighting - has mixing chamber with side connection for foam producing medium
EP0429736A1 (en) * 1988-09-16 1991-06-05 André Le Grouyellec Spraying nozzle for a mixture of fluids

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* Cited by examiner, † Cited by third party
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NO144196C (en) * 1974-10-08 1981-07-22 Ditlev Simonsen O Jr STRAALEMUNNSTYKKE.
SU822915A1 (en) * 1977-05-11 1981-04-23 Институт Горного Дела Ан Казахскойсср Method of spraying liquid
US4555059A (en) * 1984-08-06 1985-11-26 Vortec Corporation Flow-amplifying liquid-atomizing nozzle
SU1653853A1 (en) * 1988-12-21 1991-06-07 Харьковский авиационный институт им.Н.Е.Жуковского Method and apparatus for air spraying of liquid
US5520331A (en) * 1994-09-19 1996-05-28 The United States Of America As Represented By The Secretary Of The Navy Liquid atomizing nozzle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE571082A (en) *
US4801090A (en) * 1985-10-09 1989-01-31 Hochiki Corp. Discharge pipe and discharge apparatus using the same
EP0429736A1 (en) * 1988-09-16 1991-06-05 André Le Grouyellec Spraying nozzle for a mixture of fluids
DE3933582A1 (en) * 1989-10-07 1991-04-18 Total Feuerschutz Gmbh Mixing nozzle for producing foam for fire-fighting - has mixing chamber with side connection for foam producing medium

Also Published As

Publication number Publication date
ATE209970T1 (en) 2001-12-15
DE59705677D1 (en) 2002-01-17
DK0911082T3 (en) 2002-02-25
EP0911082B1 (en) 2001-12-05
EP0911082A1 (en) 1999-04-28
ES2169406T3 (en) 2002-07-01
WO1998001231A1 (en) 1998-01-15
PT911082E (en) 2002-03-28
RU2107554C1 (en) 1998-03-27

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