FR2451348A1 - Procede de fabrication de pierres refractaires incuites - Google Patents

Procede de fabrication de pierres refractaires incuites

Info

Publication number
FR2451348A1
FR2451348A1 FR8005168A FR8005168A FR2451348A1 FR 2451348 A1 FR2451348 A1 FR 2451348A1 FR 8005168 A FR8005168 A FR 8005168A FR 8005168 A FR8005168 A FR 8005168A FR 2451348 A1 FR2451348 A1 FR 2451348A1
Authority
FR
France
Prior art keywords
stones
heated
temperature
vacuum
brai
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.)
Granted
Application number
FR8005168A
Other languages
English (en)
Other versions
FR2451348B1 (fr
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.)
Magnesital Feuerfest GmbH
Original Assignee
Magnesital 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 Magnesital Feuerfest GmbH filed Critical Magnesital Feuerfest GmbH
Publication of FR2451348A1 publication Critical patent/FR2451348A1/fr
Application granted granted Critical
Publication of FR2451348B1 publication Critical patent/FR2451348B1/fr
Expired 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
    • C04B35/66—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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/013—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics containing 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5001—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with carbon or carbonisable materials
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE FABRICATION DE PIERRES REFRACTAIRES INCUITES A BASE DE MAGNESITE OU DE DOLOMITE POUR LE GARNISSAGE DE RECIPIENTS DE FUSION, EN PARTICULIER DE CONVERTISSEURS ET DE FOURS ELECTRIQUES DE FUSION, SELON LEQUEL ON MELANGE LA MATIERE PREMIERE FRITTEE AVEC DU GOUDRON OU DU BRAI, ON FORME DES PIERRES AVEC LE MELANGE ET ON LES RECUIT. SELON L'INVENTION, POUR ATTEINDRE UNE TENEUR RESIDUELLE EN CARBONE D'AU MOINS 5,5 EN POIDS, ON CHAUFFE LES PIERRES COMBINEES AU GOUDRON OU AU BRAI, APRES LE TRAITEMENT DE RECUIT, A UNE TEMPERATURE TELLE QUE LA TEMPERATURE A COEUR DE LA PIERRE ATTEIGNE 190 A 230C ET QUE LA TEMPERATURE SUPERFICIELLE NE DEPASSE PAS LA TEMPERATURE A COEUR DE PLUS DE 20C, ON EXPOSE LES PIERRES CHAUFFEES DANS UN BASSIN A VIDE A UN VIDE PARTIEL DE MOINS DE 30 TORR PENDANT PLUS DE 4 MINUTES, ON IMPREGNE LES PIERRES DANS LE BASSIN A VIDE PAR DU BRAI CHAUFFE A UNE TEMPERATURE SUPERIEURE A SA TEMPERATURE DE RAMOLLISSEMENT, ON AUGMENTE ENSUITE LA PRESSION DANS LE BASSIN A VIDE JUSQU'A 3 A 6 ATM.REL. APPLICATION A L'INDUSTRIE DES PIERRES REFRACTAIRES.
FR8005168A 1979-03-16 1980-03-07 Procede de fabrication de pierres refractaires incuites Expired FR2451348B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2910309A DE2910309C2 (de) 1979-03-16 1979-03-16 Verfahren zur Herstellung feuerfester, ungebrannter Steine

Publications (2)

Publication Number Publication Date
FR2451348A1 true FR2451348A1 (fr) 1980-10-10
FR2451348B1 FR2451348B1 (fr) 1986-10-10

Family

ID=6065541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005168A Expired FR2451348B1 (fr) 1979-03-16 1980-03-07 Procede de fabrication de pierres refractaires incuites

Country Status (7)

Country Link
AT (1) ATA141580A (fr)
DE (1) DE2910309C2 (fr)
FR (1) FR2451348B1 (fr)
GB (1) GB2044750B (fr)
GR (1) GR68400B (fr)
IT (1) IT1130056B (fr)
NL (1) NL8001436A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620473A1 (de) * 1986-06-19 1987-12-23 Dolomitwerke Gmbh Feuerfeste masse fuer feuerfeste auskleidungen von metallurgischen gefaessen
DE3941978A1 (de) * 1989-12-20 1991-06-27 Feist Horst Julius Verfahren zum tempern von kohlenstoffhaltigen rohlingen
HUT71991A (en) * 1992-03-08 1996-03-28 Veitsch Radex Ag Process for producing fireproof compounds and fireproof moulding from this compounds
WO2001021544A1 (fr) * 1999-09-24 2001-03-29 Shinagawa Refractories Co., Ltd. Materiau refractaire carbone a resistance elevee a la thermoclase et procede de production correspondant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372051A (fr) * 1963-08-06 1964-09-11 Harbison Walker Refractories Procédé d'imprégnation de formes céramiques poreuses, calcinées
US3436237A (en) * 1966-10-25 1969-04-01 Green Refractories Coke bonded basic refractory
US4071593A (en) * 1973-11-06 1978-01-31 General Refractories Company Process for making a pitch impregnated, cold molded refractory article

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1372051A (fr) * 1963-08-06 1964-09-11 Harbison Walker Refractories Procédé d'imprégnation de formes céramiques poreuses, calcinées
US3436237A (en) * 1966-10-25 1969-04-01 Green Refractories Coke bonded basic refractory
US4071593A (en) * 1973-11-06 1978-01-31 General Refractories Company Process for making a pitch impregnated, cold molded refractory article

Also Published As

Publication number Publication date
GB2044750B (en) 1982-10-20
GR68400B (fr) 1981-12-29
DE2910309A1 (de) 1980-09-18
ATA141580A (de) 1984-09-15
DE2910309C2 (de) 1982-08-19
GB2044750A (en) 1980-10-22
IT8020640A0 (it) 1980-03-14
IT1130056B (it) 1986-06-11
FR2451348B1 (fr) 1986-10-10
NL8001436A (nl) 1980-09-18

Similar Documents

Publication Publication Date Title
FR2451348A1 (fr) Procede de fabrication de pierres refractaires incuites
FR2445383A1 (fr) Procede de preparation d'isolateurs du type ceramique-metal resistant aux chocs thermiques
US4908167A (en) Method for producing form bodies, such as briquettes
FI87555C (fi) Foerfarande och anordning foer framstaellning av briketter foer producering av kisel eller kiselkarbid eller kiseljaern
DE2253454A1 (de) Verfahren zum herstellen kohleund eisenhaltiger briketts
US2352316A (en) Method of producing shaped bodies from powdery ferrous material
GB1487786A (en) Treatment of steel mill waste dusts
US1517819A (en) Method of producing carbon electrodes and the product thereof
FR2394598A1 (fr) Procede perfectionne de production en continu de coke forme
IE62168B1 (en) A process for producing raw material blanks
JPS5524926A (en) Removal of tramp elements from dust
ATE7218T1 (de) Verfahren zur herstellung von calciumcarbid.
US93758A (en) Charles william siemens
FR2393841A1 (fr) Procede pour fabriquer un produit a haute teneur en carbone a partir d'un materiau residuel a base de suie
US779195A (en) Process of treating clay.
US1072752A (en) Process for treating ores.
GB236255A (en) Improvements in or relating to the manufacture of cast or moulded articles
NO923928D0 (no) Fremgangsmaate ved kombinert behandling av avfallsmaterialer
GB190111832A (en) Process for the Production of Highly Carburized Steel.
Schmidt Longer Ingot Mold Life Achieved by Optimizing the Chemical Composition of the Mold Material
SU1156859A1 (ru) Способ получени стального порошка
US2617736A (en) Process for production of refractory siliceous material and products thereof or therewith obtained
DE342594C (de) Verfahren zur Verwertung bituminoeser Tone und Kalke
FR2682102A1 (fr) Corps ceramique refractaire calcine.
GB126046A (en) Improvements relating to the Manufacture of Iron and Steel.

Legal Events

Date Code Title Description
ST Notification of lapse