WO2008140258A2 - A structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas - Google Patents

A structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas Download PDF

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Publication number
WO2008140258A2
WO2008140258A2 PCT/KR2008/002687 KR2008002687W WO2008140258A2 WO 2008140258 A2 WO2008140258 A2 WO 2008140258A2 KR 2008002687 W KR2008002687 W KR 2008002687W WO 2008140258 A2 WO2008140258 A2 WO 2008140258A2
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
oxygen
mixed gas
hydrogen mixed
guide
Prior art date
Application number
PCT/KR2008/002687
Other languages
French (fr)
Other versions
WO2008140258A3 (en
Inventor
Gil-Je CHO
Original Assignee
Energy Master Co., Ltd
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 Energy Master Co., Ltd filed Critical Energy Master Co., Ltd
Publication of WO2008140258A2 publication Critical patent/WO2008140258A2/en
Publication of WO2008140258A3 publication Critical patent/WO2008140258A3/en

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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3415—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with swirl imparting inserts upstream of the swirl chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/56—Nozzles for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening, or for heating workpieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14701—Swirling means inside the mixing tube or chamber to improve premixing

Definitions

  • the present invention relates to a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas, and more particularly, to a structure of the nozzle including a swirl passage insert installed inside the spray nozzle, wherein the swirl passage insert has a central guide blade and guide blades with an inclination angle of 30 degrees, with a guide hole formed in each of the guide blades, so that oxygen/hydrogen mixed gas supplied from the nozzle body swirls through the guide holes of the guide blades, and upon leaving the tip hole, forms a diffusion flow due to the centrifugal force of the swirling, and a full cone of diffusion flame is sprayed via the nozzle when oxygen/hydrogen mixed gas generated from electrolysis is burning, so as to heat a wide area of a heating target with a large amount of heat, and to prevent a localized melting caused by a linear flame that heats a small area.
  • Background Art
  • a conventional spray nozzle of the prior art is formed with only a tip hole in the tip thereof, so that oxygen/hydrogen mixed gas (also referred to as oxyfuel) fed from a nozzle body is sprayed directly through the tip hole.
  • oxygen/hydrogen mixed gas also referred to as oxyfuel
  • the oxygen/hydrogen mixed gas is linearly sprayed via the tip hole of the nozzle tip, thereby producing a linear flame.
  • the nozzle is constructed to spray the oxygen/hydrogen mixed gas by a linear motion as above mentioned, when the oxygen/hydrogen mixed gas generated from the oxygen/hydrogen mixed gas generator is burning, a typical linear flame is produced by rapid diffusion of hydrogen gas and high velocity of the flame. This linear flame can heat only a small area of a heating target with a high temperature.
  • the linear flame using the conventional spray nozzle of the prior art may have an advantage of high quality welding and cutting.
  • the linear flame is used for a heating target such as a boiler requiring a large amount of heat, the linear flame heats only a small area so that the heating target can be transformed, melted, and damaged. Furthermore, a large amount of heat cannot be expected because it is reduced by the limited heating area. Disclosure of Invention Technical Problem [6] Accordingly, the present invention has been made to minimize the above mentioned defects of the prior art.
  • the present invention is directed to provide a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas, which has a swirl passage insert installed inside the spray nozzle, wherein the swirl passage insert has a central guide blade and guide blades with an inclination angle of 30 degrees, with a guide hole formed in each of the guide blades, so that oxygen/hydrogen mixed gas supplied from the nozzle body swirls through the guide holes of the guide blades, and upon leaving the tip hole, forms a diffusion flow due to the centrifugal force of the swirling.
  • a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas for diffusion flames using oxygen/hydrogen mixed gas, in which a strainer is inserted into a nozzle body, and a nozzle tip is in close contact with one side of the nozzle body, by a tip retainer screw-engaged with the nozzle body.
  • a swirl passage insert is received inside the nozzle tip, and is formed with a central guide blade on one side and two guide blades on the other side, symmetrically inclined with an angle of 30 degrees, each of the guide blades having a guide hole, and the nozzle tip is made of silicon carbide material which is heat resistant.
  • the swirl passage insert is inserted inside the nozzle tip, so that the oxygen/hydrogen gas supplied from the nozzle body swirls along the guide blades with the guide holes of the swirl passage insert, and upon leaving the tip hole of the nozzle tip, forms a diffusion flow due to the centrifugal force of the swirling.
  • undescribed part number 40 indicates a nipple connecting the nozzle body with the gas feeding duct.
  • the nozzle structure of the present invention is designed to spray a full cone of diffusion flame via the nozzle when burning oxygen/hydrogen mixed gas generated from electrolysis, so as to heat a wide area of a heating target with a large amount of heat, and to prevent a localized melting caused by a linear flame that heats a small area.
  • FIG. 1 is a schematic longitudinal sectional view of the usage of a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas in accordance with the present invention
  • FIG. 2 is a perspective view of the swirl passage insert as an important part of the present invention.
  • FIG. 3 is a front elevational view of the swirl passage insert as an important part of the present invention.
  • FIG. 4 is a top plan view of the swirl passage insert as an important part of the present invention.
  • strainer 16 nozzle tip
  • FIG. 1 is a schematic longitudinal sectional view of the usage of a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas in accordance with the present invention
  • FIG. 2 is a perspective view of the swirl passage insert as an important part of the present invention
  • FIG. 3 is a front elevational view of the swirl passage insert as an important part of the present invention
  • FIG. 4 is a top plan view of the swirl passage insert as an important part of the present invention.
  • a strainer 14 is inserted into a nozzle body 12, and a nozzle tip 16 having a swirl passage insert 20 received therein is in close contact with one side of the nozzle body 12, by a tip retainer 18 screw-engaged with the nozzle body 12.
  • the swirl passage insert 20 is formed with a central guide blade 22 on one side and two guide blades 24 on the other side, symmetrically inclined with an angle of 30 degrees, each of the guide blades 24 having a guide hole 26.
  • the tip retainer 18 of the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 is formed with the above mentioned figures to firmly fasten the nozzle body 12, the strainer 14, the swirl passage insert 20 and the nozzle tip. At this point, the strainer 14 closely fixes the inside of the swirl passage insert 10 and the nozzle tip 16, thereby allowing the oxygen/hydrogen mixed gas flowed from the nozzle body 12 to pass by via the guide holes 26 of the swirl passage insert 20.
  • the oxygen/hydrogen mixed gas 10 in the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 formed with the above mentioned figures in accordance with the present invention, the oxygen/hydrogen mixed gas, flowed from a gas feeding duct 30 coupled with one side of the nozzle body 12, passes by the strainer 14 installed inside of the nozzle body 12, branches into two flows by the guide blade 22 of the swirl passage insert 20 formed inside the nozzle tip 16, passes by the guide holes 26 of the guide blades 24 with an angle of 30 degrees, thereby twisting up into a swirling flow, and sprays out of the tip hole 17 of the nozzle tip 16, thereby producing a diffusion flame due to the centrifugal force of the swirling force.
  • the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10, for the diffusion flame with the above mentioned figures in accordance with the present invention can heat a wide area of a heating target by spraying the diffusion flame via the tip hole 17 of the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 by burning the oxygen/ hydrogen mixed gas generated from electrolyzing the water.
  • the nozzle tip 16 can be made of silicon carbide material, which is heat resistant, so as to bear up against a large amount of heat produced from the combustion of the oxygen/hydrogen mixed gas.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

A structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas. The spray nozzle (10) includes a swirl passage insert (20) installed inside the spray nozzle (10). The swirl passage insert (20) has a central guide blade (22) and guide blades (24) with an inclination angle of 30 degrees, with a guide hole (26) formed in each guide blade (24). Oxygen/ hydrogen mixed gas supplied from the nozzle body (20) swirls through the guide holes (26) of the guide blades (24), and upon leaving the nozzle tip hole, forms a diffusion flow due to the centrifugal force of the swirling. When oxygen/hydrogen mixed gas generated from electrolysis is burning, a wide area of a heating target is heated with a large amount of heat, to thereby prevent a localized melting caused by a linear flame that heats a small area.

Description

Description
A STRUCTURE OF THE NOZZLE FOR SPRAYING THE DIFFUSED FLAME USED THE OXYGEN/HYDROGEN MIXED
GAS
Technical Field
[1] The present invention relates to a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas, and more particularly, to a structure of the nozzle including a swirl passage insert installed inside the spray nozzle, wherein the swirl passage insert has a central guide blade and guide blades with an inclination angle of 30 degrees, with a guide hole formed in each of the guide blades, so that oxygen/hydrogen mixed gas supplied from the nozzle body swirls through the guide holes of the guide blades, and upon leaving the tip hole, forms a diffusion flow due to the centrifugal force of the swirling, and a full cone of diffusion flame is sprayed via the nozzle when oxygen/hydrogen mixed gas generated from electrolysis is burning, so as to heat a wide area of a heating target with a large amount of heat, and to prevent a localized melting caused by a linear flame that heats a small area. Background Art
[2] A conventional spray nozzle of the prior art is formed with only a tip hole in the tip thereof, so that oxygen/hydrogen mixed gas (also referred to as oxyfuel) fed from a nozzle body is sprayed directly through the tip hole. When starting combustion using the oxygen/hydrogen mixed gas, the oxygen/hydrogen mixed gas is linearly sprayed via the tip hole of the nozzle tip, thereby producing a linear flame.
[3] As the nozzle is constructed to spray the oxygen/hydrogen mixed gas by a linear motion as above mentioned, when the oxygen/hydrogen mixed gas generated from the oxygen/hydrogen mixed gas generator is burning, a typical linear flame is produced by rapid diffusion of hydrogen gas and high velocity of the flame. This linear flame can heat only a small area of a heating target with a high temperature.
[4] Consequently, the linear flame using the conventional spray nozzle of the prior art may have an advantage of high quality welding and cutting.
[5] If the linear flame is used for a heating target such as a boiler requiring a large amount of heat, the linear flame heats only a small area so that the heating target can be transformed, melted, and damaged. Furthermore, a large amount of heat cannot be expected because it is reduced by the limited heating area. Disclosure of Invention Technical Problem [6] Accordingly, the present invention has been made to minimize the above mentioned defects of the prior art.
[7] The present invention is directed to provide a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas, which has a swirl passage insert installed inside the spray nozzle, wherein the swirl passage insert has a central guide blade and guide blades with an inclination angle of 30 degrees, with a guide hole formed in each of the guide blades, so that oxygen/hydrogen mixed gas supplied from the nozzle body swirls through the guide holes of the guide blades, and upon leaving the tip hole, forms a diffusion flow due to the centrifugal force of the swirling. Technical Solution
[8] As an aspect of the present invention, there is provided a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas for diffusion flames using oxygen/hydrogen mixed gas, in which a strainer is inserted into a nozzle body, and a nozzle tip is in close contact with one side of the nozzle body, by a tip retainer screw-engaged with the nozzle body.
[9] A swirl passage insert is received inside the nozzle tip, and is formed with a central guide blade on one side and two guide blades on the other side, symmetrically inclined with an angle of 30 degrees, each of the guide blades having a guide hole, and the nozzle tip is made of silicon carbide material which is heat resistant.
[10] In the nozzle formed with the above mentioned figures in accordance with the present invention, the swirl passage insert is inserted inside the nozzle tip, so that the oxygen/hydrogen gas supplied from the nozzle body swirls along the guide blades with the guide holes of the swirl passage insert, and upon leaving the tip hole of the nozzle tip, forms a diffusion flow due to the centrifugal force of the swirling.
[11] In the drawings, undescribed part number 40 indicates a nipple connecting the nozzle body with the gas feeding duct.
Advantageous Effects
[12] The nozzle structure of the present invention is designed to spray a full cone of diffusion flame via the nozzle when burning oxygen/hydrogen mixed gas generated from electrolysis, so as to heat a wide area of a heating target with a large amount of heat, and to prevent a localized melting caused by a linear flame that heats a small area.
Brief Description of the Drawings
[13] FIG. 1 is a schematic longitudinal sectional view of the usage of a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas in accordance with the present invention;
[14] FIG. 2 is a perspective view of the swirl passage insert as an important part of the present invention;
[15] FIG. 3 is a front elevational view of the swirl passage insert as an important part of the present invention; and
[16] FIG. 4 is a top plan view of the swirl passage insert as an important part of the present invention.
[17]
[18] <Major Reference Numerals and Symbols of the Drawings>
[19] 10: nozzle 12: nozzle body
[20] 14: strainer 16: nozzle tip
[21] 17 : tip hole 18 : retainer
[22] 20: swirl passage insert 22: central guide blade
[23] 24: guide blade 26: guide hole
[24]
Best Mode for Carrying Out the Invention
[25] Exemplary embodiments of the present invention will be described and illustrated in detail with reference to accompanying drawings.
[26] FIG. 1 is a schematic longitudinal sectional view of the usage of a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas in accordance with the present invention, FIG. 2 is a perspective view of the swirl passage insert as an important part of the present invention, FIG. 3 is a front elevational view of the swirl passage insert as an important part of the present invention, and FIG. 4 is a top plan view of the swirl passage insert as an important part of the present invention.
[27] Referring to FIGS. 1 to 2, in a structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 in accordance with the present invention, a strainer 14 is inserted into a nozzle body 12, and a nozzle tip 16 having a swirl passage insert 20 received therein is in close contact with one side of the nozzle body 12, by a tip retainer 18 screw-engaged with the nozzle body 12.
[28] The swirl passage insert 20 is formed with a central guide blade 22 on one side and two guide blades 24 on the other side, symmetrically inclined with an angle of 30 degrees, each of the guide blades 24 having a guide hole 26.
[29] The tip retainer 18 of the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 is formed with the above mentioned figures to firmly fasten the nozzle body 12, the strainer 14, the swirl passage insert 20 and the nozzle tip. At this point, the strainer 14 closely fixes the inside of the swirl passage insert 10 and the nozzle tip 16, thereby allowing the oxygen/hydrogen mixed gas flowed from the nozzle body 12 to pass by via the guide holes 26 of the swirl passage insert 20.
[30] Referring to FIG. 1, in the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 formed with the above mentioned figures in accordance with the present invention, the oxygen/hydrogen mixed gas, flowed from a gas feeding duct 30 coupled with one side of the nozzle body 12, passes by the strainer 14 installed inside of the nozzle body 12, branches into two flows by the guide blade 22 of the swirl passage insert 20 formed inside the nozzle tip 16, passes by the guide holes 26 of the guide blades 24 with an angle of 30 degrees, thereby twisting up into a swirling flow, and sprays out of the tip hole 17 of the nozzle tip 16, thereby producing a diffusion flame due to the centrifugal force of the swirling force.
[31] The structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10, for the diffusion flame with the above mentioned figures in accordance with the present invention, can heat a wide area of a heating target by spraying the diffusion flame via the tip hole 17 of the structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas 10 by burning the oxygen/ hydrogen mixed gas generated from electrolyzing the water.
[32] The nozzle tip 16 can be made of silicon carbide material, which is heat resistant, so as to bear up against a large amount of heat produced from the combustion of the oxygen/hydrogen mixed gas.

Claims

Claims
[1] A structure of the nozzle for spraying the diffused flame used the oxygen/ hydrogen mixed gas, in which a strainer is inserted into a nozzle body, and a nozzle tip is in close contact with one side of the nozzle body, by a tip retainer screw-engaged with the nozzle body, wherein a swirl passage insert is received inside the nozzle tip, and is formed with a central guide blade on one side and two guide blades on the other side, symmetrically inclined with an angle of 30 degrees, each of the guide blades having a guide hole.
[2] The structure of the nozzle for spraying the diffused flame used the oxygen/ hydrogen mixed gas according to the claim 1, wherein the nozzle tip is made of silicon carbide material which is heat resistant.
PCT/KR2008/002687 2007-05-16 2008-05-14 A structure of the nozzle for spraying the diffused flame used the oxygen/hydrogen mixed gas WO2008140258A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0047433 2007-05-16
KR1020070047433A KR100841391B1 (en) 2007-05-16 2007-05-16 A structure of the nozzle for spraying the difused flame used the oxygen/hydrogen mixed gas

Publications (2)

Publication Number Publication Date
WO2008140258A2 true WO2008140258A2 (en) 2008-11-20
WO2008140258A3 WO2008140258A3 (en) 2009-01-22

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WO (1) WO2008140258A2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837328A (en) * 2010-05-28 2010-09-22 宁波大叶园林工业有限公司 Spray blast pump with movable spray core
AU2009202769B2 (en) * 2008-07-14 2012-03-22 Boo-Sung Hwang Combustion Burner of a Mixture of Hydrogen and Oxygen
CN103521367A (en) * 2013-10-28 2014-01-22 天地科技股份有限公司 Efficient and abrasion-resisting nozzle with swirl flow core
CZ306873B6 (en) * 2016-05-23 2017-08-16 plĂ­chal Milan Ĺ A body for liquid treatment and formation of a vortical outlet and gas saturation
CZ306872B6 (en) * 2016-05-23 2017-08-16 plĂ­chal Milan Ĺ A body for liquid treatment and formation of a vortical outlet
CN112057788A (en) * 2020-08-05 2020-12-11 国网湖南省电力有限公司 Wing-shaped spray head and transformer spray fire extinguishing system
CN114689639A (en) * 2022-03-09 2022-07-01 华东理工大学 Hydrogen-mixed gas test system

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Publication number Priority date Publication date Assignee Title
KR100904884B1 (en) * 2008-12-05 2009-06-29 황부성 A hydrogen-oxygen combustion burner
WO2012134159A2 (en) * 2011-03-28 2012-10-04 엘지전자 주식회사 Laundry treating apparatus, and method for washing a lint filter of a laundry treating apparatus
KR101425969B1 (en) * 2013-04-23 2014-08-05 (주)피엔크린 Sprinkler nozzle for high-pressure watering
AU2022201073A1 (en) * 2022-02-17 2023-08-31 Spray Nozzle Engineering Pty Ltd An Aspirating Spray Nozzle Assembly

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KR960005760B1 (en) * 1990-08-03 1996-05-01 우베고교 가부시기가이샤 Slurry burner
US5685376A (en) * 1993-10-19 1997-11-11 Tirronen; Hannu System and method utilizing low-pressure nozzles for extinguishing fires
KR20050108873A (en) * 2004-05-14 2005-11-17 신중달 Gas cutting tip
KR20050109858A (en) * 2004-05-17 2005-11-22 주식회사 워터맥스 Burner for complex gas combustion

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KR100322315B1 (en) * 1998-12-18 2002-06-27 김상남 Brown Gas Combustion Air Jet Burner

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Publication number Priority date Publication date Assignee Title
KR960005760B1 (en) * 1990-08-03 1996-05-01 우베고교 가부시기가이샤 Slurry burner
US5685376A (en) * 1993-10-19 1997-11-11 Tirronen; Hannu System and method utilizing low-pressure nozzles for extinguishing fires
KR20050108873A (en) * 2004-05-14 2005-11-17 신중달 Gas cutting tip
KR20050109858A (en) * 2004-05-17 2005-11-22 주식회사 워터맥스 Burner for complex gas combustion

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009202769B2 (en) * 2008-07-14 2012-03-22 Boo-Sung Hwang Combustion Burner of a Mixture of Hydrogen and Oxygen
CN101837328A (en) * 2010-05-28 2010-09-22 宁波大叶园林工业有限公司 Spray blast pump with movable spray core
CN103521367A (en) * 2013-10-28 2014-01-22 天地科技股份有限公司 Efficient and abrasion-resisting nozzle with swirl flow core
CZ306873B6 (en) * 2016-05-23 2017-08-16 plĂ­chal Milan Ĺ A body for liquid treatment and formation of a vortical outlet and gas saturation
CZ306872B6 (en) * 2016-05-23 2017-08-16 plĂ­chal Milan Ĺ A body for liquid treatment and formation of a vortical outlet
CN112057788A (en) * 2020-08-05 2020-12-11 国网湖南省电力有限公司 Wing-shaped spray head and transformer spray fire extinguishing system
CN114689639A (en) * 2022-03-09 2022-07-01 华东理工大学 Hydrogen-mixed gas test system

Also Published As

Publication number Publication date
WO2008140258A3 (en) 2009-01-22
KR100841391B1 (en) 2008-06-25

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