EP2526358B1 - Canon de bouchage du trou de coulée pour des fours métallurgiques - Google Patents

Canon de bouchage du trou de coulée pour des fours métallurgiques Download PDF

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Publication number
EP2526358B1
EP2526358B1 EP11701633.7A EP11701633A EP2526358B1 EP 2526358 B1 EP2526358 B1 EP 2526358B1 EP 11701633 A EP11701633 A EP 11701633A EP 2526358 B1 EP2526358 B1 EP 2526358B1
Authority
EP
European Patent Office
Prior art keywords
tap hole
machine according
insert
hole plugging
plugging machine
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
EP11701633.7A
Other languages
German (de)
English (en)
Other versions
EP2526358A1 (fr
Inventor
Oliver Dirlenbach
Ralf Taugerbeck
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 EP2526358A1 publication Critical patent/EP2526358A1/fr
Application granted granted Critical
Publication of EP2526358B1 publication Critical patent/EP2526358B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F27D3/1536—Devices for plugging tap holes, e.g. plugs stoppers
    • 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
    • C21B7/125—Refractory plugging mass
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4653—Tapholes; Opening or plugging thereof
    • 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
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/19—Arrangements of devices for discharging

Definitions

  • the invention relates to a Stichlochstopfmaschinenkanone for metallurgical furnaces, with a pressure cylinder for receiving the stuffing and a Stopfkolben for squeezing the stuffing mass of a pressed onto the tap hole of the oven mouthpiece of the impression cylinder
  • DE-A 197 55 932 discloses a taphole tamping machine with a tamping gun having a pressure cylinder and a tamping piston.
  • Taphole guns of the type mentioned above are used to close the tapholes of reduction or smelting furnaces, e.g. Blast furnaces for the extraction of pig iron and low shaft furnaces for the melting of non-ferrous metals, ferroalloys, etc. used.
  • the tamping gun is pressed by means of a pivoting device with a large force against the furnace breast, wherein the pressing force of the tamping machine is maintained until the stuffed by the tamping gun in the tap hole opening of the furnace plastic stuffing material is hardened.
  • the present invention is now based on the object to propose a stitch hole tamping machine with a high wear resistance of the printing cylinder, which is inexpensive to produce in repair-friendly design.
  • the tap hole tamping machine has the features of claim 1.
  • the pressure cylinder has a cylinder tube with a Verschlcißhülsenan extract inserted into the Zylin.derrohr, which is formed from at least one insert sleeve of a welded to a tube sheet metal blank.
  • Such a wear sleeve arrangement designed in accordance with the invention can be produced inexpensively on the one hand on account of the production of the insert sleeve from a sheet metal blank.
  • the insert sleeves forms a separate from the cylinder tube of the printing cylinder component which forms the pressure cylinder in conjunction with the cylinder tube, so that after a possible wear of the insert sleeve this component can be removed or replaced by simple mechanical dissolution of the composite between the cylinder tube and the insert sleeve ,
  • the cylinder tube of the printing cylinder is also designed as a welded construction, resulting in a view of maximum component strength at the same time the lowest possible cost of construction.
  • the insert sleeve is formed from a sheet-metal blank formed with a longitudinal weld seam to a tube
  • the insert sleeve can be inserted into the cylinder tube of the printing cylinder, that the weld is arranged radially defined in the cylinder tube of the printing cylinder.
  • This is of importance insofar as the pressure cylinder, which is usually arranged horizontally above the tapping spout in the stuffing box, is subjected to the greatest wear in its deepest longitudinal section of the cylinder tube due to gravity.
  • a possibly promoting the wear weld area can thus be specifically arranged outside of this wear-intensive longitudinal section of the printing cylinder.
  • the insert sleeve acts not only advantageous as an exchangeable consumable part, but contributes in the composite effect with the cylinder tube crucial to the component strength of the printing cylinder. Accordingly, compared to a pressure cylinder, the cylinder tube is provided on its bore wall with a coating, reduced wall thicknesses of the cylinder tube possible, so that appropriate material and cost savings are possible.
  • the wear sleeve assembly is composed of two insert sleeves, so that, for example, in which a particularly high wear underlying front, the mouthpiece of the impression cylinder facing part of Pressure cylinder a locally limited or partial replacement of the wear sleeve assembly is possible.
  • the composite of two or more insert sleeves wear sleeve assembly is formed when the insert sleeves are inserted into the cylinder tube such that they form a joint with opposing end faces with a groove formed by chamfers on the inner edges of the end faces groove cross-section.
  • this prevents that in the region of the connecting joint between the insert sleeves, an abrupt edge arises from the contact surface of the impression cylinder with the piston.
  • a radially encircling filling or receiving space is formed by the thus formed groove cross-section in which can accumulate Stopfmasse or Stopfmassep
  • Stopfmasse or Stopfmassep in operation of the Stichlochstopfmaschine to fill this filling space and thus form a continuous, low-wear as possible transition between the insert sleeves, if the Piston in an axial movement sweeps over the joint joint.
  • the insert sleeves have different outside diameters and have a continuously extending axially extending wear sleeve arrangement in a stepped receiving bore of the cylinder tube, the insert sleeves can be inserted from one and the same side into the bore of the cylinder tube, without over the entire bore depth due a mechanical circumferential contact between the insert sleeves and the bore of the cylinder tube a corresponding insertion resistance would be overcome.
  • Fig. 1 shows as main components of a Stichlochstopfmaschinenkanone 10 a pressure cylinder 11 with a filling opening 12 for the stuffing mass 13 and in the pressure cylinder 11 back and forth movable Stopfkolben 14 with a hydraulic drive 15.
  • the Stopfkolben 14 is by a radially displaceable piston ring 16 against an inner circumferential surface 17 of the printing cylinder 11 sealed, which is formed by a used in the printing cylinder 11 wear sleeve assembly 18.
  • the stuffing mass 13 is pressed during the flow of Stopfkolbens 14 by a mounted on the front end of the printing cylinder 11 mouthpiece 19 in the needle hole of a furnace.
  • Fig. 2 shows the printing cylinder 11 with the wear sleeve assembly 18 inserted into a receiving bore 20 of the printing cylinder 11 in a longitudinal sectional view.
  • the pressure cylinder 11 is executed in the present case as a welded construction with a cylinder tube 21 and at the front ends of the cylinder tube 21 via welded joints 22 connected flange rings 23, 24, which allow a connection of the printing cylinder 11 with adjacent components of the Stichlochstopfmaschinenkanone 10.
  • the wear sleeve arrangement 18 is composed of two insert sleeves 25 and 26, which are inserted into the receiving bore 20 designed as a stepped bore.
  • the insert sleeve 26 is located in a adjacent to a stop end 27 of the cylinder tube 21 bore member 28 having a diameter d B1 , which has a smaller diameter opposite an adjacent adjacent, to an insertion end 29 extending bore portion 30 having a diameter d B2 .
  • the insert sleeves 25 and 26 at identical inner diameter d II different outer diameter D H1 and D H2 .
  • the different outer diameter D H1 and D H2 of the insert sleeves 26 and 25 are matched to the bore diameter d B1 and d B2 of the bore members 28 and 30, that in each case between the insert sleeve 26 and the bore member 28 and the insert sleeve 25 and the bore member 30 a Clearance fits.
  • a peripheral surface contact between the insert sleeve 26 and the receiving bore 20 results only in the area of the rearward bore part 28 relative to the insertion end 29.
  • Fig. 3 shows the front in relation to the insertion end 29 insert sleeve 25 received in the front bore portion 30 of the cylinder tube 21.
  • insert sleeve 25 As out Fig. 3 can be seen, there is the insert sleeve 25, as well as in the rest Fig. 2 illustrated insert sleeve 26, from a semi-finished as flat sheet metal blank 31, in known per se Umformtechnik from a flat extension into the in Fig. 3 shown tubular shape is formed.
  • insert sleeve 25 are connected as a result of the forming process against each other directed longitudinal edges 32, 33 of the sheet metal blank 31 via a welded joint 34.
  • the cylinder tube 21 in Fig. 3 can also be the cylinder tube 21 formed from a manufactured in a forming process with subsequent welding tube.
  • the cylinder tube 21 may be made of a structural steel, which is characterized by good weldability.
  • the radial relative arrangement of the welded connection 34 of the insert sleeve 25 can advantageously be selected such that it is located outside a wear zone 35, namely diametrically opposed in the present case, which is formed in the radially lowest area of the cylindrical tube 21.
  • stuffing mass particles 37 accumulate due to gravity, which can be arranged between a piston skirt surface 36 and the jacket surface 17 or the insert sleeves 25, 26 during a stroke movement of the stuffing piston 14 (see FIG Fig. 1 ).
  • an accumulation of stuffing mass particles 37 as in FIG Fig. 4 represented in a formed by opposite edges 41, 42 formed chamfers 43, 44 groove cross-section 38 of a formed in the region of a connecting joint 39 shock groove 40 for the formation of a continuous and thus heelless transition between the insert sleeves 25 and 26, so that in the field of Connecting joint 39, the stuffing material particles 37 can even provide for a friction reduction in such an advantageous structural design.

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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Blast Furnaces (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Actuator (AREA)

Claims (11)

  1. Machine à boucher le trou de coulée pour des fourneaux métallurgiques, ayant un cylindre de pression pour recevoir la masse de bouchage et un piston de bouchage pour expulser la masse de bouchage d'un embout du cylindre de pression, ledit embout étant pressé contre le trou de coulée du fourneau,
    caractérisée en ce que
    le cylindre (11) de pression présente un tube de cylindre (21) ayant une disposition (18) de douilles d'usure étant placée dans le tube de cylindre et étant formée à partir d'au moins une douille (25, 26) à insertion consistant en une pièce découpée de tôle (31).
  2. Machine à boucher le trou de coulée selon la revendication 1,
    caractérisée en ce que
    la douille (25, 26) à insertion est formée à partir de la pièce découpée de tôle (31) qui est transformée en un tube avec une soudure longitudinale.
  3. Machine à boucher le trou de coulée selon la revendication 1 ou 2,
    caractérisée en ce que
    la pièce découpée de tôle (31) est formée à partir d'un acier à bas carbone ayant été trempé par un traitement thermique.
  4. Machine à boucher le trou de coulée selon la revendication 3,
    caractérisée en ce que
    l'acier de la pièce découpée de tôle (31) contient moins de 0,5 % en poids de C et moins de 1,5 % en poids de Cr.
  5. Machine à boucher le trou de coulée selon la revendication 4,
    caractérisée en ce que
    l'acier de la pièce découpée de tôle (31) contient moins de 0,25 % en poids de C et moins de 0,75 % en poids de Cr.
  6. Machine à boucher le trou de coulée selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    la douille (25, 26) à insertion a une épaisseur de paroi qui est à tout le moins 10 % de l'épaisseur de paroi du tube de cylindre (21).
  7. Machine à boucher le trou de coulée selon la revendication 6,
    caractérisée en ce que
    la douille (25, 26) à insertion a une épaisseur de paroi qui est entre 20 % et 40 % de l'épaisseur de paroi du tube de cylindre (21).
  8. Machine à boucher le trou de coulée selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    la disposition (18) de douilles d'usure est composé de deux douilles (25, 26) à insertion.
  9. Machine à boucher le trou de coulée selon la revendication 8,
    caractérisée en ce que
    les douilles (25, 26) à insertion, pour développer la disposition (18) de douilles d'usure, sont placées dans le tube de cylindre (21) de telle manière qu'elles développent une jointure de connexion (39) avec des fronts (41, 42) en vis-à-vis, ayant une section (38) de rainure étant formée par des chanfreins (43, 44) sur les bords intérieurs des fronts.
  10. Machine à boucher le trou de coulée selon la revendication 8 ou 9,
    caractérisée en ce que
    les douilles (25, 26) à insertion, alors qu'elles présentent les mêmes diamètres (dH) intérieurs, présentent des diamètres (DH1, DH2) extérieurs différents et sont placées dans un perçage (20) de positionnement étagé du tube de cylindre (21), pour développer une disposition (18) de douilles d'usure s'étendant axialement de façon continue.
  11. Machine à boucher le trou de coulée selon l'une quelconque des revendications précédentes,
    caractérisée en ce qu'
    un ajustement avec jeu est formé entre les douilles (25, 26) à insertion et le perçage (20) de positionnement du tube de cylindre (21).
EP11701633.7A 2010-01-20 2011-01-12 Canon de bouchage du trou de coulée pour des fours métallurgiques Not-in-force EP2526358B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001038A DE102010001038A1 (de) 2010-01-20 2010-01-20 Stichlochstopfmaschinenkanone für metallurgische Öfen
PCT/EP2011/050347 WO2011089054A1 (fr) 2010-01-20 2011-01-12 Canon de bouchage du trou de coulée pour des fours métallurgiques

Publications (2)

Publication Number Publication Date
EP2526358A1 EP2526358A1 (fr) 2012-11-28
EP2526358B1 true EP2526358B1 (fr) 2015-07-08

Family

ID=43903009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701633.7A Not-in-force EP2526358B1 (fr) 2010-01-20 2011-01-12 Canon de bouchage du trou de coulée pour des fours métallurgiques

Country Status (11)

Country Link
US (1) US8968640B2 (fr)
EP (1) EP2526358B1 (fr)
JP (1) JP5796019B2 (fr)
KR (1) KR101873070B1 (fr)
CN (1) CN102713482B (fr)
BR (1) BR112012017857B1 (fr)
CA (1) CA2785596C (fr)
DE (1) DE102010001038A1 (fr)
RU (1) RU2521173C2 (fr)
UA (1) UA105083C2 (fr)
WO (1) WO2011089054A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010001038A1 (de) * 2010-01-20 2011-07-21 TMT Tapping-Measuring-Technology GmbH, 57072 Stichlochstopfmaschinenkanone für metallurgische Öfen
CN113574185B (zh) * 2019-03-13 2022-10-25 Tmt出铁测量技术有限公司 出铁口堵塞炮
JP7146109B2 (ja) * 2019-03-13 2022-10-03 ティエムティ － タッピング メジャーリング テクノロジー エスエイアールエル タップ穴プラグガン
KR102607519B1 (ko) * 2021-11-26 2023-11-29 현대제철 주식회사 고로 출선구 보수장치

Family Cites Families (20)

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JPS498088Y1 (fr) * 1970-01-20 1974-02-26
US3682456A (en) * 1970-10-21 1972-08-08 Anderson Constr Corp A E Metallurgical furnace with cartridge clay gun means
LU62151A1 (fr) * 1970-11-27 1972-08-03 Wurth Anciens Ets Paul
JPS4918087U (fr) 1972-05-19 1974-02-15
DE2402088C2 (de) 1974-01-17 1982-11-25 Dango & Dienenthal, 5900 Siegen Stichlochstopfmaschine
DE8005062U1 (de) * 1980-02-26 1984-03-08 Dango & Dienenthal Maschinenbau GmbH, 5900 Siegen Stichlochstopfmaschine
JPS56138864U (fr) * 1980-03-21 1981-10-20
JPS6051554B2 (ja) 1982-03-17 1985-11-14 株式会社神戸製鋼所 マツドガン砲身中間バレル
JPS62135645A (ja) * 1985-12-06 1987-06-18 Tech Res Assoc Highly Reliab Marine Propul Plant シリンダライナの製造方法
JPH0647579Y2 (ja) * 1992-07-17 1994-12-07 オザワ工業株式会社 スプレーガン
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DE19755932C1 (de) * 1997-12-17 1998-12-10 Dango & Dienenthal Maschbau Stichlochstopfmaschine für metallurgische Öfen
KR100775223B1 (ko) * 2001-07-19 2007-11-12 주식회사 포스코 출선구 폐쇄기의 선회 제어장치
KR100817150B1 (ko) * 2001-11-12 2008-03-27 주식회사 포스코 출선구 폐쇄시 발생하는 머드건의 역류 머드재 회수장치
DE10156455A1 (de) 2001-11-16 2003-05-28 Sms Demag Ag Vorrichtung zum Verschließen des Bodenabstichs eines metallurgischen Gefäßes für flüssigen Stahl, insbesondere eines Elektroschmelzofens
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KR200441704Y1 (ko) 2007-03-15 2008-09-03 동도케이아이디(주) 용광로의 출선구용 폐쇄재 자동예열장치
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ES2433570T3 (es) 2009-06-20 2013-12-11 Tmt Tapping-Measuring-Technology Gmbh Cañón de taponamiento del taladro de colada para hornos metalúrgicos
DE102010001038A1 (de) * 2010-01-20 2011-07-21 TMT Tapping-Measuring-Technology GmbH, 57072 Stichlochstopfmaschinenkanone für metallurgische Öfen

Also Published As

Publication number Publication date
KR101873070B1 (ko) 2018-08-02
RU2012127268A (ru) 2014-03-10
WO2011089054A1 (fr) 2011-07-28
CA2785596C (fr) 2017-10-24
JP5796019B2 (ja) 2015-10-21
KR20120113256A (ko) 2012-10-12
CN102713482B (zh) 2015-08-12
RU2521173C2 (ru) 2014-06-27
BR112012017857A2 (pt) 2017-06-20
US8968640B2 (en) 2015-03-03
JP2013517455A (ja) 2013-05-16
DE102010001038A1 (de) 2011-07-21
CN102713482A (zh) 2012-10-03
EP2526358A1 (fr) 2012-11-28
US20120292836A1 (en) 2012-11-22
BR112012017857B1 (pt) 2018-03-06
UA105083C2 (uk) 2014-04-10
CA2785596A1 (fr) 2011-07-28

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