BE790039A - Procede pour calciner le platre dans un courant de gaz de chauffe. ( - Google Patents

Procede pour calciner le platre dans un courant de gaz de chauffe. (

Info

Publication number
BE790039A
BE790039A BE790039DA BE790039A BE 790039 A BE790039 A BE 790039A BE 790039D A BE790039D A BE 790039DA BE 790039 A BE790039 A BE 790039A
Authority
BE
Belgium
Prior art keywords
plaster
calcining
current
heating gas
heating
Prior art date
Application number
Other languages
English (en)
Inventor
G Reimann
O F Wiechmann
Original Assignee
Rheinstahl Ag
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.)
Publication date
Publication of BE790039A publication Critical patent/BE790039A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
BE790039D 1971-10-23 Procede pour calciner le platre dans un courant de gaz de chauffe. ( BE790039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2152940A DE2152940C2 (de) 1971-10-23 1971-10-23 Verfahren und Vorrichtung zur Herstellung von Gipsphasen-Mischungen

Publications (1)

Publication Number Publication Date
BE790039A true BE790039A (fr) 1973-02-01

Family

ID=5823236

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790039D BE790039A (fr) 1971-10-23 Procede pour calciner le platre dans un courant de gaz de chauffe. (

Country Status (7)

Country Link
US (1) US3773892A (fr)
JP (1) JPS4850997A (fr)
BE (1) BE790039A (fr)
CH (1) CH586640A5 (fr)
DE (1) DE2152940C2 (fr)
FR (1) FR2161925B2 (fr)
GB (1) GB1399553A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408313A1 (de) * 1974-02-21 1975-09-04 Rheinstahl Ag Traegergasanlage, insbesondere zyklonbrennanlage zum brennen von mehrphasengips
AT334273B (de) * 1974-03-25 1976-01-10 Veitscher Magnesitwerke Ag Verfahren zur warmebehandlung feinkornigen oder flussigen materials und ofen zum durchfuhren des verfahrens
US4080422A (en) * 1975-06-30 1978-03-21 United States Gypsum Company Method for producing insoluble calcium sulfate anhydrite
US4204836A (en) * 1978-10-05 1980-05-27 Instytut Przemyslu Maszyn Wiazacych Materialow Budowlanych Cyclone furnace for intensive treatment or combustion of dispergated mineral raw materials
US4236318A (en) * 1979-03-13 1980-12-02 Salem Corporation Methods and apparatus for heating particulate material
US4300291A (en) * 1979-03-13 1981-11-17 Salem Corporation Methods and apparatus for heating particulate material
US4569831A (en) * 1985-04-01 1986-02-11 Fuller Company Process and apparatus for calcining gypsum
DE4115699A1 (de) * 1991-05-14 1992-11-19 Krupp Polysius Ag Verfahren und anlage zur herstellung von anhydrit-fliessestrichgips
DE4208836A1 (de) * 1992-03-19 1993-09-23 Zementanlagen Und Maschinenbau Verfahren und vorrichtung zur herstellung von branntgips
US6157161A (en) * 1999-07-27 2000-12-05 Space Systems/Loral, Inc. Low cost battery charging systems
US20090172968A1 (en) * 2003-06-13 2009-07-09 Charles Hensley Thawing apparatus and method
PT3541765T (pt) * 2016-11-18 2021-09-27 Knauf Gips Kg Processo e aparelho para calcinação de gesso
CN111333353B (zh) * 2019-08-29 2022-04-19 贵州省环福新材料有限公司 一种工业副产石膏处理系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE949456C (de) * 1954-09-28 1956-09-20 Rudolf Zollinger Dipl Ing Verfahren zum Brennen von Putz- oder Estrichgips
DE1218927C2 (de) * 1964-10-15 1973-08-09 Rheinstahl Eco Ges Mit Beschra Vorrichtung zum thermischen Behandeln von Magnesit, Dolomit und Kalk und Verfahren zu deren Betrieb
DE1940007B2 (de) * 1969-08-06 1973-06-07 Rheinstahl Ag, 4300 Essen Verfahren zum brennen von gips in einem heizgasstrom

Also Published As

Publication number Publication date
JPS4850997A (fr) 1973-07-18
CH586640A5 (fr) 1977-04-15
US3773892A (en) 1973-11-20
DE2152940A1 (de) 1973-05-30
DE2152940C2 (de) 1983-11-17
FR2161925A2 (fr) 1973-07-13
FR2161925B2 (fr) 1980-11-28
GB1399553A (en) 1975-07-02

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