GR3021146T3 - Process for calcining moist gypsum - Google Patents

Process for calcining moist gypsum

Info

Publication number
GR3021146T3
GR3021146T3 GR960402512T GR960402512T GR3021146T3 GR 3021146 T3 GR3021146 T3 GR 3021146T3 GR 960402512 T GR960402512 T GR 960402512T GR 960402512 T GR960402512 T GR 960402512T GR 3021146 T3 GR3021146 T3 GR 3021146T3
Authority
GR
Greece
Prior art keywords
fluidized
gypsum
calcining
arise
fluidized bed
Prior art date
Application number
GR960402512T
Other languages
English (en)
Inventor
Paul Kroehl
Heiko Lindner
Original Assignee
Escher Wyss Gmbh
Pro Mineral Ges
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 Escher Wyss Gmbh, Pro Mineral Ges filed Critical Escher Wyss Gmbh
Publication of GR3021146T3 publication Critical patent/GR3021146T3/el

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • 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
    • C04B11/0283—Fluidised beds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Catalysts (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
GR960402512T 1991-03-25 1996-09-25 Process for calcining moist gypsum GR3021146T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4109743A DE4109743C2 (de) 1991-03-25 1991-03-25 Verfahren zur thermischen Behandlung von feuchten Hydraten
PCT/EP1992/000607 WO1992016468A1 (de) 1991-03-25 1992-03-19 Verfahren zum kalzinieren von feuchtem gips

Publications (1)

Publication Number Publication Date
GR3021146T3 true GR3021146T3 (en) 1996-12-31

Family

ID=6428147

Family Applications (1)

Application Number Title Priority Date Filing Date
GR960402512T GR3021146T3 (en) 1991-03-25 1996-09-25 Process for calcining moist gypsum

Country Status (12)

Country Link
US (1) US5437850A (el)
EP (1) EP0531478B1 (el)
AT (1) ATE139756T1 (el)
CA (1) CA2083824A1 (el)
CZ (1) CZ283992B6 (el)
DE (2) DE4109743C2 (el)
GR (1) GR3021146T3 (el)
HU (1) HU215783B (el)
PL (1) PL168241B1 (el)
RO (1) RO110326B1 (el)
RU (1) RU2096365C1 (el)
WO (1) WO1992016468A1 (el)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT397929B (de) * 1992-12-04 1994-08-25 Chemiefaser Lenzing Ag Verfahren und anlage zur trocknung und anschliessenden spaltung
DE19606075C2 (de) * 1996-02-19 2000-02-17 Sulzer Chemtech Gmbh Verfahren und Vorrichtungen zur thermischen Behandlung von Gips
US6138377A (en) * 1999-07-21 2000-10-31 United States Gypsum Company Apparatus and process for cooling and de-steaming calcined stucco
US6630153B2 (en) * 2001-02-23 2003-10-07 Smith & Nephew, Inc. Manufacture of bone graft substitutes
DE10260733B4 (de) * 2002-12-23 2010-08-12 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260731B4 (de) 2002-12-23 2005-04-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260737B4 (de) * 2002-12-23 2005-06-30 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen
DE10260734B4 (de) * 2002-12-23 2005-05-04 Outokumpu Oyj Verfahren und Anlage zur Herstellung von Schwelkoks
DE10260741A1 (de) * 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen
DE10260738A1 (de) * 2002-12-23 2004-07-15 Outokumpu Oyj Verfahren und Anlage zur Förderung von feinkörnigen Feststoffen
DE10260739B3 (de) * 2002-12-23 2004-09-16 Outokumpu Oy Verfahren und Anlage zur Herstellung von Metalloxid aus Metallverbindungen
US6964704B2 (en) 2003-03-20 2005-11-15 G.B. Technologies, Llc Calcium sulphate-based composition and methods of making same
JP4075709B2 (ja) * 2003-07-02 2008-04-16 住友電装株式会社 コネクタ
DE102004042430A1 (de) * 2004-08-31 2006-03-16 Outokumpu Oyj Wirbelschichtreaktor zum thermischen Behandeln von wirbelfähigen Substanzen in einem mikrowellenbeheizten Wirbelbett
EP1726575A1 (en) * 2005-05-27 2006-11-29 Promat International N.V. Method for plaster production and plaster product obtained by said method.
US7498014B2 (en) * 2006-01-13 2009-03-03 Certainteed Gypsum, Inc. System and method for the production of alpha type gypsum using heat recovery
US8388926B2 (en) 2006-01-13 2013-03-05 Certainteed Gypsum, Inc. System and method for the production of gypsum using heat recovery
US7588634B2 (en) * 2006-09-20 2009-09-15 United States Gypsum Company Process for manufacturing ultra low consistency alpha- and beta- blend stucco
EP2116294A1 (de) * 2008-05-09 2009-11-11 Claudius Peters Technologies GmbH Kalzinierverfahren und- anlage
EP2163532A1 (de) * 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
US7897134B1 (en) * 2009-08-07 2011-03-01 Alstom Technology Ltd System and method for calcining gypsum
US9481777B2 (en) 2012-03-30 2016-11-01 The Procter & Gamble Company Method of dewatering in a continuous high internal phase emulsion foam forming process
KR102454646B1 (ko) * 2016-02-02 2022-10-14 요시노 셋고 가부시키가이샤 소석고 처리 장치 및 소석고 처리 방법
DK3498680T3 (da) 2016-08-10 2021-01-25 Yoshino Gypsum Co Indretning og fremgangsmåde til at behandle gips
DE102018133362A1 (de) * 2018-12-21 2020-06-25 Eisenmann Se Injektionseinrichtung zum Abgeben eines Gases, Prozessgassystem zum Zuführen eines Prozessgases, sowie Vorrichtung und Verfahren zum thermischen oder thermo-chemischen Behandeln von Material

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH153755A (fr) * 1931-04-04 1932-04-15 Ramuz Louis Procédé pour la fabrication du plâtre, et installation pour la mise en oeuvre dudit procédé.
US2485317A (en) * 1943-01-29 1949-10-18 Standard Oil Dev Co Method of manufacturing plaster of paris
NL133712C (el) * 1961-02-14 1971-10-15
FR1338126A (fr) * 1961-11-13 1963-09-20 British Plaster Board Holdings Perfectionnements apportés aux procédés et dispositifs pour la calcination du gypse
FR1307651A (fr) * 1961-12-07 1962-10-26 Ets Poliet & Chausson Procédé et dispositif de traitement de matières pulvérulentes ou granuleuses
AU6714265A (en) * 1965-11-26 1968-05-16 Continuous production of alpha plaster
FR2311764A1 (fr) * 1975-05-23 1976-12-17 Rhone Poulenc Ind Procede et appareil pour la transformation thermique de gypse
ZA793953B (en) * 1978-08-08 1980-08-27 Coal Industry Patents Ltd Heat treatment of material
GB2027859B (en) * 1978-08-08 1983-05-18 Coal Ind Heat treatment of material
US4585645A (en) * 1985-04-03 1986-04-29 Aluminum Company Of America Alpha alumina production in a steam-fluidized reactor
US4569831A (en) * 1985-04-01 1986-02-11 Fuller Company Process and apparatus for calcining gypsum
DE3721421A1 (de) * 1987-06-29 1989-01-12 Deutsche Filterbau Verfahren zum herstellen von trockenen kalzium-sulfatdihydraten aus rauchgasgips
GB2214836B (en) * 1988-02-08 1991-06-26 Bpb Industries Plc Improvements in method and apparatus for calcination
DD296058A5 (de) * 1990-02-19 1991-11-21 Veb Zementwerke Ruedersdorf,De Verfahren zum dehydratisieren von anfallgipsen

Also Published As

Publication number Publication date
CZ342092A3 (en) 1993-08-11
PL296943A1 (en) 1993-09-06
CA2083824A1 (en) 1992-09-26
CZ283992B6 (cs) 1998-07-15
DE4109743A1 (de) 1992-10-01
DE4109743C2 (de) 1995-03-23
HU9203684D0 (en) 1993-09-28
ATE139756T1 (de) 1996-07-15
EP0531478A1 (de) 1993-03-17
RO110326B1 (ro) 1995-12-29
RU2096365C1 (ru) 1997-11-20
US5437850A (en) 1995-08-01
PL168241B1 (pl) 1996-01-31
WO1992016468A1 (de) 1992-10-01
EP0531478B1 (de) 1996-06-26
HU215783B (hu) 1999-02-01
DE59206645D1 (de) 1996-08-01
HUT66997A (en) 1995-01-30

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