EP2398924B1 - Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion - Google Patents

Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion Download PDF

Info

Publication number
EP2398924B1
EP2398924B1 EP10705834A EP10705834A EP2398924B1 EP 2398924 B1 EP2398924 B1 EP 2398924B1 EP 10705834 A EP10705834 A EP 10705834A EP 10705834 A EP10705834 A EP 10705834A EP 2398924 B1 EP2398924 B1 EP 2398924B1
Authority
EP
European Patent Office
Prior art keywords
carriage
tap hole
drill
drill rod
furnace
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.)
Not-in-force
Application number
EP10705834A
Other languages
German (de)
English (en)
Other versions
EP2398924A1 (fr
Inventor
Peter Cramer
Torgils Eide
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.)
TMT Tapping Measuring Technology GmbH
Original Assignee
TMT Tapping Measuring Technology GmbH
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 TMT Tapping Measuring Technology GmbH filed Critical TMT Tapping Measuring Technology GmbH
Publication of EP2398924A1 publication Critical patent/EP2398924A1/fr
Application granted granted Critical
Publication of EP2398924B1 publication Critical patent/EP2398924B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • 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
    • F27B1/21—Arrangements of devices for discharging
    • 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
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools

Definitions

  • the invention relates to a taphole drilling machine for metallurgical containers, in particular furnaces with molten content, with a movable from the rest position to the working position and vice versa movable carriage and a motorized movable drill and percussion hammer for driving and pulling out of the oven-side end of the carriage by means of a centering device guided boring bar in the filled with a sealant stitch hole or from the filled with a sealant tap hole of the container.
  • Taphole drilling machines of this type which in the DE 41 31 982 C1 are described, have the disadvantage that when pulling out of the boring bar from the drilled tap hole the furnace side end and attached to this centering device for the boring bar brought into the operating position close to the needle hole mounted carriage the splashes of shooting out of the stitch hole melt stream, the cause burnup and melting of the boring bar centering device. This requires that the centering must be renewed at regular intervals.
  • the invention has the object of further developing the generic tap hole drilling machine to the effect that in a tapping the centering device for the boring bar at the oven-side end of the carriage so close to the tap hole of a metallurgical container, in particular Ofenabstichstein a furnace, can be positioned that an accurate centering of a large drilling tool is possible, and that further ensures effective protection of the centering device against splashing of the emerging from the stitch hole melt.
  • the subclaims include advantageous and expedient embodiments of the tap hole drilling machine.
  • the arranged on the suspension of the carriage of the taphole drilling machine on a support arm of a lifting device for lifting and lowering the carriage with the drill and hammer for the boring bar from the rest position to the working position and vice versa drive for a linear feed movement of the carriage in the working position close to the Tap hole of a metallurgical container, in particular a furnace, and for a linear retraction movement of the carriage from the taphole area endangered when tapping by the exiting melt allows accurate centering of the drill rod with the drill bit in the tap hole while drilling it and optimal protection of the centering device for the drill rod at the oven-side end of the mount against splashes of melt emerging from the open stitch hole.
  • the tap hole drill after the FIGS. 1 to 4 has a carriage 1, which is lowered by means of a lifting device from the rest position to a prepositioned working position with a predetermined distance of the furnace end 2 with respect to the filled with a closure material 4 tap hole 3 of a furnace 5 and from the prepositioned working position in the rest position ,
  • a hammer drill 6 for driving a drill rod 7 with a drill bit 8 by means of a feed and retraction drive, which is designed as a circumferential, driven by a hydraulic motor 9 chain 10, from an oven remote end position in a furnace near end position and vice versa traversable.
  • a centering device 11 is attached, which is designed as a plate 12 with a centering bore 13 for the boring bar 7 of the drilling and percussion hammer 6.
  • the lifting device for the carriage 1 is equipped with a support arm 15 to which a support frame 16 is mounted with lateral guide rails 17.
  • a equipped with rollers 19 carriage 18 to which a support 20 is fixed to the carriage 1, is linearly movable on the guide rails 17 of the support frame 16 for moving the carriage 1 with the motorized movable drill and percussion hammer 6 for the boring bar. 7 in the working position 1a and from the working position to a retracted position 1b for protecting the furnace-side end 2 of the carriage 1 with the centering device 11 for the boring bar 7 against the emerging from the opened tap hole 3 melt 21 and for moving the carriage 1 from the retracted position 1b in the working position 1a for a re-tapping.
  • a drive for the movable on the support frame 16 carriage 18 with the carrier 20 for the carriage 1 is a by a pressure medium, preferably hydraulic oil, operated cylinder-piston unit 22, the cylindrical housing 23 is mounted on the support frame 16 of the taphole drilling machine and the piston rod 24th on the transfer carriage 18 of the carriage 1 attacks.
  • a pressure medium preferably hydraulic oil, operated cylinder-piston unit 22
  • the carriage 1 For a tapping operation, first the carriage 1 is lowered by means of the support arm 15 and the support frame 16 of the lifting device in a prepositioned working position. Subsequently, the carriage 1 is pushed by the cylinder-piston unit 22 from the prepositioned into the final working position 1a with a certain distance by the drill bit 8 of the boring bar 7 distance A of the centering device 11 on the oven-side end 2 of the carriage 1 from the needle hole 3 forward.
  • the drilling and percussion hammer 6 is in the off-end position 6a.
  • the force required to drive the drill rod 7 into the needle hole 3 of the furnace 5, generated by the hydraulic motor 9 feed force is transmitted from the drive chain 10 via the drill and percussion hammer 6 on the drill rod 7.
  • the impact mechanism of the hammer drill 6 can be switched on at any time of the advancing movement of the drill rod 7 in support of the driving operation.
  • the carriage 1 by the cylinder-piston unit 22 from the stitch-working position 1a in a retracted position 1b with a simultaneous feed movement of the boring bar 7 in the tap hole 3 to protect the oven-side Lafettenendes 2 and the centering device 11 against the emerging during the opening of the stitch hole from this melt 21 moves back.
  • the carriage 1 is advanced from the retracted position 1b by means of the cylinder-piston unit 22 back into the working position 1a.
  • the retraction force required to pull out the drill rod 7 from the needle hole 3 of the furnace 5 is applied by the hydraulic motor 9 and transmitted via the drive chain 10 to the hammer drill 6 and the drill rod 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)

Claims (4)

  1. Perceuse de trou de coulée pour des réservoirs métallurgiques, en particulier des fourneaux avec de contenu fondu, avec un affût étant déplaçable de la position d'arrêt dans la position de travail et l'inverse par un dispositif de levage, et un marteau perforateur ou à percussion étant déplaçable par moteur sur ledit affût pour enfoncer et rétracter une tige de forage dans le trou de coulée rempli d'une masse d'étanchéité, resp. à partir du trou de coulée rempli d'une masse d'étanchéité du réservoir, ladite tige de forage étant guidée à l'extrémité de l'affût à côté du fourneau par un dispositif de centrage,
    caractérisée par
    un entraînement étant arrangé sur la suspension de l'affût (1) à au moins un bras porteur (15) du dispositif de levage, ledit entraînement causant un mouvement d'avancement linéaire de l'affût (1) à partir d'une position prépositionnée dans la position finale de travail (1a) à une distance (A) entre le dispositif de centrage (11) à l'extrémité à côté du fourneau (2) de l'affût (1) et le trou de coulée (3), ladite distance étant déterminée par la mèche de forage (8) de la tige de forage (7), et un mouvement linéaire rétractant de l'affût (1) à partir de la position de travail (la) dans une position rétractée (1b) à l'instant d'une profondeur définie d'intrusion de la tige de forage (7) dans la masse d'étanchéité (4) du trou de coulée (3), accompagné d'un mouvement d'avancement simultané de la tige de forage (7) dans le trou de coulée (3) en vue de protéger l'extrémité d'affût (2) à côté de fourneau et le dispositif de centrage (11) de la masse fondue (21) sortant du trou de coulée (3) quand lequel est ouvert, et un mouvement linéaire d'avancement de l'affût (1) à partir de la position rétractée (1b) dans la position de travail (1a) pour un procédé de coulée nouveau.
  2. Perceuse de trou de coulée selon la revendication 1,
    caractérisée par
    un cadre porteur (16) monté au bras porteur (15) du dispositif de levage de l'affût (1) avec de rails de guidage (17) latéraux, un chariot (18) pourvu de galets (19) auquel un porteur (20) pour l'affût (1) est attaché et qui est mobile sur les rails de guidage (17) dans la position de travail (1a) et à partir de la position de travail dans une position rétractée (1b) pour déplacer l'affût (1) avec le marteau perforateur ou à percussion (6) mobile par moteur sur laquelle pour la tige de forage (7) en vue de protéger l'extrémité (2) d'affût (1) à côté du fourneau avec le dispositif de centrage (11) pour la tige de forage (7) de la masse fondue (21) sortant du trou de coulée (3) ouvert et pour déplacer l'affût (1) à partir de la position rétractée (1b) dans la position de travail (la), et aussi une unité de piston de cylindre (22) actionnée par pressure dont la boîte (23) cylindrique est montée au cadre porteur (16) de la perceuse de trou de coulée et dont la tige de piston (24) engage au chariot de déplacement (18) de l'affût (1).
  3. Perceuse de trou de coulée selon la revendication 2,
    caractérisée par
    une tête pivotante (26) attachée sur l'extrémité libre (25) de la tige de piston (24) de l'unité de piston de cylindre (22), ladite tête pivotante étant montée de manière articulée au boulon de coussinet (27) d'un chevalet de coussinet (28) attaché sur le chariot de déplacement (18) de l'affût (1).
  4. Perceuse de trou de coulée selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    le dispositif de centrage (11) est formé comme plate (12) à l'extrémité (2) de l'affût (1) à côté du fourneau avec un perçage de centrage (13) pour le tige de forage (7) du marteau perforateur ou à percussion (6).
EP10705834A 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion Not-in-force EP2398924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910009537 DE102009009537A1 (de) 2009-02-18 2009-02-18 Stichlochbohrmaschine für metallurgische Behälter, insbesondere Öfen mit schmelzflüssigem Inhalt
PCT/EP2010/051338 WO2010094571A1 (fr) 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion

Publications (2)

Publication Number Publication Date
EP2398924A1 EP2398924A1 (fr) 2011-12-28
EP2398924B1 true EP2398924B1 (fr) 2013-04-03

Family

ID=42102047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10705834A Not-in-force EP2398924B1 (fr) 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion

Country Status (5)

Country Link
EP (1) EP2398924B1 (fr)
CN (1) CN102317477B (fr)
DE (1) DE102009009537A1 (fr)
WO (1) WO2010094571A1 (fr)
ZA (1) ZA201105969B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104677115A (zh) * 2015-03-16 2015-06-03 上海耀秦冶金设备技术有限公司 双行程式电石炉出炉机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2415881B1 (fr) * 2010-08-04 2013-12-25 TMT Tapping-Measuring-Technology GmbH Dispositif de retenue pour une tige de forage d'une foreuse à trou de coulée et procédé d'enlèvement d'une tige de forage
EP2514843B1 (fr) * 2011-04-20 2013-09-25 TMT -BBG Research und Development GmbH Dispositif de raccordement pour un outil de forage et de percussion d'une foreuse à trou de coulée et foreuse à trou de coulée dotée d'un dispositif de raccordement
CN106352706B (zh) * 2016-10-31 2018-09-18 中钢集团西安重机有限公司 一种开口机用垂直调整装置
CN112662828B (zh) * 2020-12-09 2022-05-17 本钢板材股份有限公司 一种液压开铁口机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431171A (en) * 1982-03-04 1984-02-14 Bailey Industrial Products, Inc. Apparatus for opening the tap hole of a metallurgical furnace
LU84855A1 (fr) * 1983-06-08 1985-03-29 Wurth Paul Sa Machine de percage d'un trou de coulee de four a cuve
DE4131982C2 (de) * 1991-09-26 1995-04-06 Dango & Dienenthal Maschbau Stichlochbohrmaschine für metallurgische Behälter, insbesondere Hochöfen
ES2090444T3 (es) * 1991-10-31 1996-10-16 Wurth Paul Sa Maquina de perforacion de una piquera de un horno de cuba.
LU88059A1 (fr) * 1992-01-27 1993-08-17 Paul Wurth S.A. Machine de percage d'un trou de coulee d'un four a cuve
CN2163175Y (zh) * 1993-07-01 1994-04-27 中南工业大学 残铁开口机
CN2206297Y (zh) * 1994-09-05 1995-08-30 冶金工业部北京钢铁设计研究总院 一种开铁口机
DE19630078C2 (de) * 1996-07-26 2003-03-27 Dango & Dienenthal Maschbau Hubvorrichtung für Stichloch-Bohrmaschinen
CN2409212Y (zh) * 2000-02-24 2000-12-06 冶金工业部北京钢铁设计研究总院 一种开铁口机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104677115A (zh) * 2015-03-16 2015-06-03 上海耀秦冶金设备技术有限公司 双行程式电石炉出炉机
CN104677115B (zh) * 2015-03-16 2016-05-25 上海耀秦冶金设备技术有限公司 双行程式电石炉出炉机

Also Published As

Publication number Publication date
ZA201105969B (en) 2014-01-29
CN102317477B (zh) 2014-03-05
EP2398924A1 (fr) 2011-12-28
DE102009009537A1 (de) 2010-08-26
CN102317477A (zh) 2012-01-11
WO2010094571A1 (fr) 2010-08-26

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