EP3498868A4 - Apparatus for removing bird's nest in blast furnace - Google Patents

Apparatus for removing bird's nest in blast furnace Download PDF

Info

Publication number
EP3498868A4
EP3498868A4 EP16912783.4A EP16912783A EP3498868A4 EP 3498868 A4 EP3498868 A4 EP 3498868A4 EP 16912783 A EP16912783 A EP 16912783A EP 3498868 A4 EP3498868 A4 EP 3498868A4
Authority
EP
European Patent Office
Prior art keywords
nest
blast furnace
removing bird
bird
blast
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.)
Withdrawn
Application number
EP16912783.4A
Other languages
German (de)
French (fr)
Other versions
EP3498868A1 (en
Inventor
Jin Kyung Chung
Seung Bo Kim
Hwan Jae Kim
Seung Moon Lee
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.)
Posco Holdings Inc
Original Assignee
Posco 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3498868A1 publication Critical patent/EP3498868A1/en
Publication of EP3498868A4 publication Critical patent/EP3498868A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/16—Arrangements of tuyeres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
    • F27D25/003—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers used for punching tuyeres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
    • F41B11/87—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for industrial purposes, e.g. for surface treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/48—Range-reducing, destabilising or braking arrangements, e.g. impact-braking arrangements; Fall-retarding means, e.g. balloons, rockets for braking or fall-retarding
    • F42B10/50—Brake flaps, e.g. inflatable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/60—Steering arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/025—Cartridges, i.e. cases with charge and missile characterised by the dimension of the case or the missile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
    • F42B6/10—Air gun pellets ; Ammunition for air guns, e.g. propellant-gas containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
    • F27D2003/169—Construction of the lance, e.g. lances for injecting particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
    • F42B12/66—Chain-shot, i.e. the submissiles being interconnected by chains or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
EP16912783.4A 2016-08-11 2016-10-28 Apparatus for removing bird's nest in blast furnace Withdrawn EP3498868A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160102537A KR101759333B1 (en) 2016-08-11 2016-08-11 Apparatus for destroying bird's nest in blast furnace
PCT/KR2016/012250 WO2018030585A1 (en) 2016-08-11 2016-10-28 Apparatus for removing bird's nest in blast furnace

Publications (2)

Publication Number Publication Date
EP3498868A1 EP3498868A1 (en) 2019-06-19
EP3498868A4 true EP3498868A4 (en) 2019-07-17

Family

ID=59430841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16912783.4A Withdrawn EP3498868A4 (en) 2016-08-11 2016-10-28 Apparatus for removing bird's nest in blast furnace

Country Status (5)

Country Link
EP (1) EP3498868A4 (en)
JP (1) JP6714768B2 (en)
KR (1) KR101759333B1 (en)
CN (1) CN109563557A (en)
WO (1) WO2018030585A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101850659B1 (en) * 2017-03-17 2018-04-20 임정륜 Apparatus for supplying recarburizer of electric furnace using tire powder and supplying method thereof
KR102083535B1 (en) * 2017-12-22 2020-03-02 주식회사 포스코 Operating method and apparatus for blast furnace

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149595A1 (en) * 1981-12-15 1983-07-21 Dynamit Nobel Ag, 5210 Troisdorf Aerodynamic braking device for missiles, especially rockets
US6371030B1 (en) * 1999-08-09 2002-04-16 The United States Of America As Represented By The Secretary Of The Navy Training projectile using shape memory alloy members
KR101203651B1 (en) * 2011-05-13 2012-11-27 주식회사 포스코 Apparatus for destroying bird's nest in blast furnace
KR101673174B1 (en) * 2015-12-23 2016-11-07 주식회사 포스코 Device and method for removal bird nest of raceway in blast furnace

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3735184B2 (en) * 1997-06-26 2006-01-18 新日本製鐵株式会社 Blast furnace operation method
ATE397736T1 (en) * 2005-12-03 2008-06-15 Hne Technologie Ag METHOD FOR CLEANING THE INTERNAL OF INDUSTRIAL FURNACES, BUNKERS AND THE LIKE BY SHOCKING WITH INDUSTRIAL CANNONS
KR20120036174A (en) * 2010-10-07 2012-04-17 오미혜 Composition of additive for steel furnace efficiency
KR101267744B1 (en) * 2011-06-29 2013-05-27 현대제철 주식회사 apparatus for pulverized coal injection of blast furnace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149595A1 (en) * 1981-12-15 1983-07-21 Dynamit Nobel Ag, 5210 Troisdorf Aerodynamic braking device for missiles, especially rockets
US6371030B1 (en) * 1999-08-09 2002-04-16 The United States Of America As Represented By The Secretary Of The Navy Training projectile using shape memory alloy members
KR101203651B1 (en) * 2011-05-13 2012-11-27 주식회사 포스코 Apparatus for destroying bird's nest in blast furnace
KR101673174B1 (en) * 2015-12-23 2016-11-07 주식회사 포스코 Device and method for removal bird nest of raceway in blast furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018030585A1 *

Also Published As

Publication number Publication date
WO2018030585A1 (en) 2018-02-15
EP3498868A1 (en) 2019-06-19
JP2019523385A (en) 2019-08-22
JP6714768B2 (en) 2020-06-24
KR101759333B1 (en) 2017-07-18
CN109563557A (en) 2019-04-02

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