[go: up one dir, main page]

DE19748797A1 - Filling compound for blast furnace tap holes - Google Patents

Filling compound for blast furnace tap holes

Info

Publication number
DE19748797A1
DE19748797A1 DE19748797A DE19748797A DE19748797A1 DE 19748797 A1 DE19748797 A1 DE 19748797A1 DE 19748797 A DE19748797 A DE 19748797A DE 19748797 A DE19748797 A DE 19748797A DE 19748797 A1 DE19748797 A1 DE 19748797A1
Authority
DE
Germany
Prior art keywords
fibers
filling compound
blast furnace
tap holes
filling
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Withdrawn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
DE19748797A
Other languages
German (de)
Inventor
Klaus Hahmann
Juergen Schuetz
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.)
BASALT FEUERFEST GmbH
Original Assignee
BASALT FEUERFEST 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 BASALT FEUERFEST GmbH filed Critical BASALT FEUERFEST GmbH
Priority to DE19748797A priority Critical patent/DE19748797A1/en
Priority to DE29823408U priority patent/DE29823408U1/en
Priority to PCT/EP1998/005424 priority patent/WO1999024624A1/en
Publication of DE19748797A1 publication Critical patent/DE19748797A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
    • C04B35/76—Fibres, filaments, whiskers, platelets, or the like
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/82—Asbestos; Glass; Fused silica
    • 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
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/526—Fibers characterised by the length of the fibers
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0003—Linings or walls
    • F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • F27D1/0009—Comprising ceramic fibre elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Ceramic Products (AREA)

Abstract

The invention relates to a filling composition, particularly a sealing composition for tap holes of blast furnaces, composed of a refractory based on Al2O3, SiO2, SiC and C and containing additives. The invention is characterised in that organic and inorganic metal fibres, or mixtures thereof, are added to the filling composition in order to safely avoid the formation of cracks and fully adapt this composition to every individual application condition.

Description

Die Erfindung betrifft eine Füllmasse, insbesondere Verschlußmasse für Hochofenabstichlöcher aus feuerfestem Material auf der Basis von Al2O3, SiO2, SiC, C und Additiven.The invention relates to a filling compound, in particular sealing compound for blast furnace tap holes made of refractory material based on Al 2 O 3 , SiO 2 , SiC, C and additives.

Füllmassen oder Stopfmassen sind allgemein bekannt. Sie dienen zum Verschluß von Abstichlöchern von Hochöfen in Stahlwerken und bestehen aus feuerfesten Materialien, die durch den Zusatz von einem oder mehreren verschiedenen plastifizierten Bindemitteln, wie z. B. Kohlenwasserstoffe verschiedenster Art und Herkunft verknetet werden. Im Rohzustand weisen sie eine gewisse Plastizität auf, die notwendig ist, um die Verschlußmassen mittels sog. Stichlochstopfmaschinen in die Hochofenabstichlöcher einzubringen. Die Anforderungen moderner Großraumhochöfen mit hohem Gegendruck und Schmelzleistungen von zum Teil über 10.000 t Roheisen pro Tag, erfordern ausgereifte und technisch anspruchsvolle feuerfeste Produkte zum Verschließen der Abstichkanäle.Filling compounds or stuffing compounds are generally known. she are used to close tapping holes in blast furnaces in Steelworks and are made of refractory materials that by adding one or more different ones plasticized binders, such as. B. hydrocarbons various types and origins are kneaded. in the Raw state they have a certain plasticity that is necessary to use the so-called sealing compounds. Tap hole tamping machines in the blast furnace tap holes bring in. The requirements of modern large-scale blast furnaces with high back pressure and melting capacities of some over 10,000 t of pig iron per day, require sophisticated and technically sophisticated refractory products for Close the tapping channels.

Problematisch bei den bekannten Füllmassen ist z. B. der Aufbau einer ausreichenden Stichlochlänge. Weitere Probleme ergeben sich aus der Neigung zu Rißbildungen oder einem nicht angepaßten Aushärteprozeß im Abstichkanal. The problem with the known fillers is such. B. the Establishing a sufficient taphole length. Further Problems arise from the tendency to crack or an unmatched curing process in the Tapping channel.  

Der Erfindung liegt daher die Aufgabe zugrunde, die bekannten Füllmassen so zu gestalten und zu optimieren, daß Rißbildungen zuverlässig vermieden werden. Darüber hinaus sollen die Füllmassen in ihrer Gesamtheit den Einsatzbedingungen individuell angepaßt werden.The invention is therefore based on the object to design and optimize known filling materials, that cracks are reliably avoided. About that in addition, the filling materials in their entirety should Operating conditions can be adjusted individually.

Gelöst wird diese Aufgabe dadurch, daß der Füllmasse Fasern zugesetzt sind. Durch den Faserzusatz werden die Einsatzeigenschaften der Füllmasse unter Berücksichtigung der Anforderungen moderner Hochöfen deutlich verbessert.This problem is solved in that the filling compound Fibers are added. Through the addition of fibers, the Use properties of the filling compound under consideration significantly improved the requirements of modern blast furnaces.

Entgegen bisherigen Erfahrungen, werden diese rheologischen Eigenschaften der Stichlochmassen durch den Faserzusatz aufgrund der Verwendung von entsprechenden Plastifizierern nicht negativ beeinflußt. Diese plastischen Stichlochmassen sind unter Druck verformbar und können mit einer Hochdruck-Kolbenpresse in den Stichlochkanal eingepreßt werden. Hierin unterscheiden sich die für diese spezifische Anwendung konzipierten Produkte von anderen feuerfesten Baustoffen, in denen Faserzusätze bisher verwendet werden und bekannt sind. Durch die grundsätzlich verschiedene Anwendung der feuerfesten Baustoffe kommen den Faserzusätzen auch unterschiedliche Funktionen zu.Contrary to previous experiences, these are rheological properties of the tap hole masses by the Fiber addition due to the use of appropriate Plasticizers not negatively affected. This plastic taphole compounds are deformable under pressure and can be used in the high pressure piston press Taphole channel are pressed. Differentiate here designed for this specific application Products of other refractory building materials in which Fiber additives have been used so far and are known. Due to the fundamentally different application of Fireproof building materials also come with the fiber additives different functions too.

In empirischen Versuchen konnte nachgewiesen werden, daß die rheologischen Eigenschaften der Stichlochstopfmassen durch den Zusatz von Fasern so einstellbar sind, daß eine Verarbeitung in der dargestellten Weise möglich ist. Empirical tests have shown that the rheological properties of taphole compounds can be adjusted by adding fibers so that a Processing in the manner shown is possible.  

Gemäß weiteren Ausbildungen der Erfindung können metallische, organische und anorganische Fasern bzw. Mischungen hieraus zur Anwendung kommen.According to further developments of the invention metallic, organic and inorganic fibers or Mixtures from this are used.

Als Fasern eignen sich insbesondere natürliche und synthetische Textilfasern, wie z. B. Baumwollfasern und andere Fasern pflanzlichen Ursprungs, Polyacryl, PE- und PP-Fasern sowie Stahlnadeln verschiedenster Legierungen und anorganische/mineralische Fasern natürlichen und synthetischen Ursprungs, wie z. B. Keramikfasern, Stein- und Glaswollfasern.Natural and synthetic textile fibers, such as B. cotton fibers and other fibers of plant origin, polyacrylic, PE and PP fibers and steel needles of various alloys and inorganic / mineral fibers natural and synthetic origin, such as B. ceramic fibers, Stone and glass wool fibers.

Der Anteil an Fasern beträgt gemäß einer weiteren Lehre der Erfindung 0,01 bis 25 Gew.-%. Ihre Länge liegt dabei in einem Bereich von 1 bis 100 mm.According to another teaching, the proportion of fibers is of the invention 0.01 to 25 wt .-%. Your length is there in a range from 1 to 100 mm.

Durch den Faserzusatz ist es möglich, die erfindungsgemäße Füllmasse auch zur Reparatur von schadhaften Stellen im Ofeninneren und Kohlenstoffbereich des Hochofens einzusetzen. Die Verwendung der erfindungsgemäßen Füllmasse führt verglichen mit herkömmlichen Füllmassen zu folgenden Vorteilen:
The addition of fibers makes it possible to use the filling compound according to the invention also for repairing damaged areas in the interior of the furnace and the carbon region of the blast furnace. The use of the filling compound according to the invention leads to the following advantages compared to conventional filling compounds:

  • - Armierungseffekt der Stichlochstopfmasse im Ofeninneren. Hierdurch wird der Stichlochaufbau gefördert und die erforderliche Stichlochlänge sicher erreicht.- Reinforcing effect of taphole mass in Inside the oven. This will build up the tap hole promoted and the required tap hole length safe reached.
  • - Bessere Entgasung bzw. Abführung von flüchtigen Bestandteilen. - Better degassing or removal of volatile Components.  
  • - Verhinderung von Stichlochabrissen und Rißbildungen.- Prevention of tap holes and cracks.
  • - Verhinderung bzw. Verminderung von Ansammlungen gasförmiger Bestandteile im Stichlochkanal.- prevention or reduction of accumulations gaseous components in the tap hole channel.
  • - Gleichmäßiger und schneller Temperaturausgleich im Stichlochkanal. Dadurch bessere Trocknung und Aushärtung der Stichlochstopfmasse.- Uniform and quick temperature compensation in the Taphole channel. Thereby better drying and Hardening of the tap hole material.
  • - Verminderung der Matrixzerstörung bei Anwendung von Gegenschlagtechnik.- Reduction of matrix destruction when using Counterstrike technology.
  • - Präzisere Bohrung des gewünschten Durchmessers durch Verminderung der Ausbrechneigung von Stichlochstopfmassen beim herkömmlichen Aufbohren.- More precise drilling of the desired diameter Reduction of the tendency to break out of Tap hole fillings in conventional boring.
  • - Maßgenaues Aufbohren beim Einsatz von wassergekühlten Bohrkronen.- Precise drilling when using water-cooled Drill bits.

Claims (6)

1. Füllmasse, insbesondere Verschlußmasse für Hochofenabstichlöcher, aus Feuerfestmaterial auf der Basis von Al2O3, SiO2, SiC, C und Additiven, dadurch gekennzeichnet, daß der Füllmasse Fasern zugesetzt sind.1. Filling compound, in particular sealing compound for blast furnace tap holes, made of refractory material based on Al 2 O 3 , SiO 2 , SiC, C and additives, characterized in that fibers are added to the filling compound. 2. Füllmasse nach Anspruch 1, dadurch gekennzeichnet, daß die Fasern metallische Fasern sind.2. filling compound according to claim 1, characterized in that the Fibers are metallic fibers. 3. Füllmasse nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Fasern organische Fasern sind.3. filling compound according to claim 1 or 2, characterized in that the Fibers are organic fibers. 4. Füllmasse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Fasern anorganische Fasern sind.4. filling compound according to one of claims 1 to 3, characterized in that the Fibers are inorganic fibers. 5. Füllmasse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Anteil an Fasern 0,01 bis 25 Gew.-% beträgt.5. filling compound according to one of claims 1 to 4, characterized in that the The proportion of fibers is 0.01 to 25% by weight. 6. Füllmasse nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Länge der Fasern im Bereich von 1 bis 100 mm liegt.6. filling compound according to one of claims 1 to 5, characterized in that the Length of the fibers is in the range of 1 to 100 mm.
DE19748797A 1997-11-05 1997-11-05 Filling compound for blast furnace tap holes Withdrawn DE19748797A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19748797A DE19748797A1 (en) 1997-11-05 1997-11-05 Filling compound for blast furnace tap holes
DE29823408U DE29823408U1 (en) 1997-11-05 1998-08-26 Filling compound for blast furnace tap holes
PCT/EP1998/005424 WO1999024624A1 (en) 1997-11-05 1998-08-26 Filling composition for blast furnace tap holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19748797A DE19748797A1 (en) 1997-11-05 1997-11-05 Filling compound for blast furnace tap holes

Publications (1)

Publication Number Publication Date
DE19748797A1 true DE19748797A1 (en) 1999-05-06

Family

ID=7847649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19748797A Withdrawn DE19748797A1 (en) 1997-11-05 1997-11-05 Filling compound for blast furnace tap holes

Country Status (2)

Country Link
DE (1) DE19748797A1 (en)
WO (1) WO1999024624A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR199902386A3 (en) * 1998-10-17 2000-11-21 Stilkerieg Dipl.-Ing.Berthold Device for reducing the contamination of the cast steel by radioactive materials by the pre-separating mining machine in the converter, which can be bent with a mixture of improved material.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012011880A2 (en) 2010-07-21 2012-01-26 Refrako, S.R.O. Plastic for stopping-in blast furnace tapholes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1251194A (en) * 1968-11-19 1971-10-27
DE2626791A1 (en) * 1976-06-15 1977-12-22 Terrac Co Ltd Stopping compsn for blast furnace tap holes - contg refractory clay, high strength mineral aggregate, hydrocarbon binder and thermosetting resin
DE2922464C2 (en) * 1978-07-24 1986-06-12 Nippon Oil Co., Ltd. Tap hole dimensions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353642A1 (en) * 1976-06-01 1977-12-30 Terrac Cy Ltd Stopping compsn for blast furnace tap holes - contg refractory clay, high strength mineral aggregate, hydrocarbon binder and thermosetting resin
BE857023A (en) * 1977-07-22 1977-11-14 Jacques Jean Pierre REFRACTORY TAPS FOR HIGH RANGE CHANNELS AND STOPPING MASSES IN WHICH METAL FIBERS HAVE BEEN ADDED (HIGH RANGE STOPPING MASSES
JPS60187607A (en) * 1984-03-05 1985-09-25 Nippon Kokan Kk <Nkk> Method for repairing tap hole of blast furnace
JPS63288972A (en) * 1987-05-20 1988-11-25 Kawasaki Refract Co Ltd Mud material for blast furnace tap hole

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1251194A (en) * 1968-11-19 1971-10-27
DE2626791A1 (en) * 1976-06-15 1977-12-22 Terrac Co Ltd Stopping compsn for blast furnace tap holes - contg refractory clay, high strength mineral aggregate, hydrocarbon binder and thermosetting resin
DE2922464C2 (en) * 1978-07-24 1986-06-12 Nippon Oil Co., Ltd. Tap hole dimensions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Golz,W.J. Schutz gegen Straßenlärm mit Asbestze- ment-Elementen, In: Tiefbau, Ingenieurbau, Straßenbau, H.5, 1980, S.419,420 u.423 *
Lüttger,H. Poyda,F. Brandversuch im wärmegedämmtenTunnel, In: Tunnel, H.3, 1992, S.116-119 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR199902386A3 (en) * 1998-10-17 2000-11-21 Stilkerieg Dipl.-Ing.Berthold Device for reducing the contamination of the cast steel by radioactive materials by the pre-separating mining machine in the converter, which can be bent with a mixture of improved material.

Also Published As

Publication number Publication date
WO1999024624A1 (en) 1999-05-20

Similar Documents

Publication Publication Date Title
EP0215853B1 (en) Granular, plastic, carbon-containing refractory composition
EP2072474B1 (en) Method and device for recycling mineral wool waste containing organic elements
DE19748797A1 (en) Filling compound for blast furnace tap holes
DE2041091C2 (en) Unburned refractory insulating compound
US5411997A (en) Mud material used for iron tap hole in blast furnace
DE29823408U1 (en) Filling compound for blast furnace tap holes
DE10253712A1 (en) Refractory repair mass offset
DE3543987A1 (en) METHOD AND DEVICE FOR PRODUCING HEAT AND / OR FIRE RESISTANT FIBERS
EP0714868B1 (en) Tap-hole mass and process for its production
DE3821794A1 (en) REPAIR MATERIAL FOR A BLOCK AND METHOD FOR REPAIRING THE BLOCK
DE10109267B4 (en) Offset, in particular for the production of a refractory molded body with increased alkali resistance and method for producing an offset
EP0249647B1 (en) Fireproof tap hole
US5447292A (en) Method for the injection of a plugging mass in a tapping hole of a metallurgical reactor, such as a blast furnace
DE69130017T2 (en) Process and composition for the in-situ repair of refractory shaped bodies by welding
DE3114069A1 (en) FIRE-RESISTANT WEAR LINING FOR PIPE IRON TRANSPORT CASES
DE2822653C2 (en)
DE4437308C2 (en) Process for the production of refractory carbon-based stones based on magnesium oxide
DE2745461B1 (en) Highly refractory brick, method of manufacture and use
DE3342078C2 (en) Oxygen steel converter or electric steel arc furnace with refractory basic lining
DE2536867C2 (en) Monolithic refractory carbonaceous composite lining for taps and linings of industrial furnaces
WO2010060770A1 (en) Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe
DE3735528A1 (en) Resin-bound tap hole mix
EP0078069B1 (en) Refractory lining for liquid metal containers or furnaces
DE2912771A1 (en) Furnace lining dry-spraying process - uses broken-up and pulverised lining material
DE2214200C3 (en) Method for improving the durability of refractory building blocks in industrial furnaces and building blocks for carrying out the method

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8130 Withdrawal