FR2401882A1 - Procede de preparation d'oxydes alcalino-terreux a grains fins, notamment de dolomie a grains fins calcinee en milieu caustique et provenant de fours a cuves - Google Patents

Procede de preparation d'oxydes alcalino-terreux a grains fins, notamment de dolomie a grains fins calcinee en milieu caustique et provenant de fours a cuves

Info

Publication number
FR2401882A1
FR2401882A1 FR7822830A FR7822830A FR2401882A1 FR 2401882 A1 FR2401882 A1 FR 2401882A1 FR 7822830 A FR7822830 A FR 7822830A FR 7822830 A FR7822830 A FR 7822830A FR 2401882 A1 FR2401882 A1 FR 2401882A1
Authority
FR
France
Prior art keywords
fine grain
alkaline
dolomia
calcinated
earth oxides
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
FR7822830A
Other languages
English (en)
Other versions
FR2401882B1 (fr
Inventor
Walther Hakenberg
Benno Kruger
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.)
SALZHEMMENDORF DOLOMITWERK
Original Assignee
SALZHEMMENDORF DOLOMITWERK
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 SALZHEMMENDORF DOLOMITWERK filed Critical SALZHEMMENDORF DOLOMITWERK
Publication of FR2401882A1 publication Critical patent/FR2401882A1/fr
Application granted granted Critical
Publication of FR2401882B1 publication Critical patent/FR2401882B1/fr
Granted 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
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/10—Preheating, burning calcining or cooling
    • C04B2/102—Preheating, burning calcining or cooling of magnesia, e.g. dead burning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

L'invention concerne un procédé de préparation d'oxydes alcalino-terreux à grains fins et/ou très fins, notamment de dolomie calcinée en voie caustique dans des fours notamment des fours à cuves et des fours tubulaires tournants. L'oxyde alcalino-terreux à grains très fins et/ou fins est comprimé avec ou sans liant, sous forme de morceaux, jusqu'à obtention d'une résistance suffisante pour pouvoir être amené après pressage, par exemple, dans le four à cuve, puis on le soumet alors à une deuxième calcination et on décharge le matériau, sous forme de morceaux, deux fois calciné, du four. Application à la calcination de dolomie.
FR7822830A 1977-09-01 1978-08-02 Procede de preparation d'oxydes alcalino-terreux a grains fins, notamment de dolomie a grains fins calcinee en milieu caustique et provenant de fours a cuves Granted FR2401882A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2739345A DE2739345C3 (de) 1977-09-01 1977-09-01 Verfahren zur Aufbereitung von feinkörnigen, gesinterten Erdalkalioxiden, insbesondere Dolomit

Publications (2)

Publication Number Publication Date
FR2401882A1 true FR2401882A1 (fr) 1979-03-30
FR2401882B1 FR2401882B1 (fr) 1984-03-23

Family

ID=6017837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822830A Granted FR2401882A1 (fr) 1977-09-01 1978-08-02 Procede de preparation d'oxydes alcalino-terreux a grains fins, notamment de dolomie a grains fins calcinee en milieu caustique et provenant de fours a cuves

Country Status (6)

Country Link
BE (1) BE869606A (fr)
DE (1) DE2739345C3 (fr)
FR (1) FR2401882A1 (fr)
GB (1) GB2003454B (fr)
IT (1) IT1097867B (fr)
SE (1) SE440076B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3118481C2 (de) * 1981-05-09 1985-09-05 Dolomitwerke GmbH, 5603 Wülfrath Verfahren zur Herstellung von Sinterdolomit mit niedriger Porosität und guter Hydratationsbeständigkeit
DE3925474A1 (de) * 1989-08-01 1991-02-07 Krupp Polysius Ag Verfahren zur waermebehandlung von feinkoernigem gut

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU435912A (en) * 1912-03-20 1912-09-24 And Improvements relating to wireless installations
FR1277528A (fr) * 1961-01-09 1961-12-01 Harbison Walker Refractories Procédé de fabrication d'un produit calciné à l'extrême et destiné à servir de matériau réfractaire
GB910330A (en) * 1959-12-17 1962-11-14 British Periclase Company Ltd Improvements in or relating to the manufacture of dead-burned magnesia and dead-burned dolomite
FR1328047A (fr) * 1962-06-06 1963-05-24 Basic Inc Réfractaire dolomitique perfectionné
FR1403496A (fr) * 1963-08-26 1965-06-18 Harbison Walker Refractories Cuisson de formes de chaux et de dolomie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE460418C (de) * 1923-09-15 1928-05-29 Dynamidon Werk Engelhorn & Co Verfahren zur Herstellung hochfeuerfester, gesinterter Magnesitmassen
GB486899A (en) * 1936-12-12 1938-06-13 Heinz Henry Chesny Improvements in or relating to the manufacture of refractory materials
GB711908A (en) * 1951-07-10 1954-07-14 Kaiser Aluminium Chem Corp Improvements in or relating to a process of preparing a well-crystallized periclase material and product resulting therefrom
AT200053B (de) * 1957-04-24 1958-10-10 Veitscher Magnesitwerke Ag Vorrichtung zum Brennen von feinkörnigen bis staubförmigen Brenngütern
DE1191733B (de) * 1959-10-22 1965-04-22 Harbison Walker Refractories Verfahren zur Herstellung von totgebranntem Magnesiumoxyd hoher Dichte
AT305868B (de) * 1971-04-21 1973-03-12 Oesterr Amerikan Magnesit Verfahren zur Herstellung von Sintermagnesia

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU435912A (en) * 1912-03-20 1912-09-24 And Improvements relating to wireless installations
GB910330A (en) * 1959-12-17 1962-11-14 British Periclase Company Ltd Improvements in or relating to the manufacture of dead-burned magnesia and dead-burned dolomite
FR1277528A (fr) * 1961-01-09 1961-12-01 Harbison Walker Refractories Procédé de fabrication d'un produit calciné à l'extrême et destiné à servir de matériau réfractaire
FR1328047A (fr) * 1962-06-06 1963-05-24 Basic Inc Réfractaire dolomitique perfectionné
FR1403496A (fr) * 1963-08-26 1965-06-18 Harbison Walker Refractories Cuisson de formes de chaux et de dolomie

Also Published As

Publication number Publication date
DE2739345B2 (de) 1979-09-20
GB2003454B (en) 1982-04-28
BE869606A (fr) 1978-12-01
FR2401882B1 (fr) 1984-03-23
SE7809132L (sv) 1979-03-02
GB2003454A (en) 1979-03-14
IT7825856A0 (it) 1978-07-19
IT1097867B (it) 1985-08-31
DE2739345C3 (de) 1985-07-18
DE2739345A1 (de) 1979-03-08
SE440076B (sv) 1985-07-15

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Legal Events

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ST Notification of lapse