WO1997007073A1 - Method and system for multi-stage calcining of gypsum to produce an anhydrite product - Google Patents
Method and system for multi-stage calcining of gypsum to produce an anhydrite product Download PDFInfo
- Publication number
- WO1997007073A1 WO1997007073A1 PCT/US1996/012566 US9612566W WO9707073A1 WO 1997007073 A1 WO1997007073 A1 WO 1997007073A1 US 9612566 W US9612566 W US 9612566W WO 9707073 A1 WO9707073 A1 WO 9707073A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gypsum
- kettle
- kettles
- predetermined temperature
- air
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D13/00—Heat-exchange apparatus using a fluidised bed
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50931197A JP3916001B2 (en) | 1995-08-15 | 1996-08-07 | Method and system for producing anhydrous products by firing gypsum in multiple stages |
AU67644/96A AU6764496A (en) | 1995-08-15 | 1996-08-07 | Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
DE69631251T DE69631251T2 (en) | 1995-08-15 | 1996-08-07 | METHOD AND SYSTEM FOR MULTIPLE CALCINATION OF GIPS FOR ANHYDRITE PRODUCTION |
EP96928035A EP0844987B1 (en) | 1995-08-15 | 1996-08-07 | Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/515,265 US5743728A (en) | 1995-08-15 | 1995-08-15 | Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
US08/515,265 | 1995-08-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997007073A1 true WO1997007073A1 (en) | 1997-02-27 |
Family
ID=24050642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/012566 WO1997007073A1 (en) | 1995-08-15 | 1996-08-07 | Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
Country Status (8)
Country | Link |
---|---|
US (2) | US5743728A (en) |
EP (1) | EP0844987B1 (en) |
JP (1) | JP3916001B2 (en) |
CN (1) | CN1153745C (en) |
AU (1) | AU6764496A (en) |
DE (1) | DE69631251T2 (en) |
ES (1) | ES2213777T3 (en) |
WO (1) | WO1997007073A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2337514A (en) * | 1998-05-22 | 1999-11-24 | Mark Youds | Crystalline structure enhancer; calcining gypsum |
ES2277755A1 (en) * | 2005-09-01 | 2007-07-16 | Crisanto Palacios Gavilan | Preparation of soluble anhydrite product from natural calcium sulfate, involves use of single heating step without any subsequent forced cooling |
WO2009105706A1 (en) * | 2008-02-20 | 2009-08-27 | National Gypsum Properties, Llc | Method and system for stucco conditioning |
WO2010003827A1 (en) * | 2008-07-11 | 2010-01-14 | K And Co | Process for the industrial manufacture of compositions based on anhydrous calcium sulphate in the β-anhydrite iii' form, and corresponding compositions and binders |
FR2947258A1 (en) * | 2009-06-26 | 2010-12-31 | K And Co | Preparing powder composition comprising calcium sulfate in metastable beta anhydrite III form from powdery material made of calcium sulfate hemihydrate comprises drying powder material by contacting with hot gaseous fluid in drier |
WO2011117438A3 (en) * | 2010-03-24 | 2012-01-12 | Herlogas, S.A. | Furnace for melting inorganic salts |
US8211371B2 (en) | 2008-07-23 | 2012-07-03 | Andritz Technology And Asset Management Gmbh | Device and process for heat transfer |
WO2013140234A1 (en) * | 2012-03-21 | 2013-09-26 | Greenmade Development Ltd | Method for preparing hydraulic binders comprising a mixture of sulphoaluminate clinker or cement and calcium sulphate |
CN110803876A (en) * | 2019-11-25 | 2020-02-18 | 江苏一夫科技股份有限公司 | II type anhydrous gypsum thermal coupling production device and method |
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US6138377A (en) * | 1999-07-21 | 2000-10-31 | United States Gypsum Company | Apparatus and process for cooling and de-steaming calcined stucco |
US7181891B2 (en) * | 2003-09-08 | 2007-02-27 | Quiet Solution, Inc. | Acoustical sound proofing material and methods for manufacturing same |
US20050083173A1 (en) * | 2003-10-20 | 2005-04-21 | Konupek Ingrid H. | Locking remote control |
PL1718576T3 (en) * | 2004-02-27 | 2017-07-31 | United States Gypsum Company | High efficiency refractoryless kettle for calcining gypsum and method therefor |
US7175426B2 (en) * | 2004-02-27 | 2007-02-13 | United States Gypsum Company | High efficiency refractoryless kettle |
US7121713B2 (en) * | 2004-02-27 | 2006-10-17 | United States Gypsum Company | Swinging agitator for a gypsum calcining apparatus and the like |
US7434980B2 (en) * | 2004-02-27 | 2008-10-14 | United States Gypsum Company | Swinging agitator for a gypsum calcining apparatus and the like |
US8495851B2 (en) | 2004-09-10 | 2013-07-30 | Serious Energy, Inc. | Acoustical sound proofing material and methods for manufacturing same |
US7921965B1 (en) | 2004-10-27 | 2011-04-12 | Serious Materials, Inc. | Soundproof assembly and methods for manufacturing same |
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US7588634B2 (en) * | 2006-09-20 | 2009-09-15 | United States Gypsum Company | Process for manufacturing ultra low consistency alpha- and beta- blend stucco |
US7556791B2 (en) * | 2006-12-20 | 2009-07-07 | United States Gypsum Company | Gypsum anhydrite fillers and process for making same |
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US9388568B2 (en) | 2007-04-06 | 2016-07-12 | Pacific Coast Building Products, Inc. | Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same |
US8424251B2 (en) | 2007-04-12 | 2013-04-23 | Serious Energy, Inc. | Sound Proofing material with improved damping and structural integrity |
US7883763B2 (en) | 2007-04-12 | 2011-02-08 | Serious Materials, Inc. | Acoustical sound proofing material with controlled water-vapor permeability and methods for manufacturing same |
US8397864B2 (en) * | 2007-04-24 | 2013-03-19 | Serious Energy, Inc. | Acoustical sound proofing material with improved fire resistance and methods for manufacturing same |
US8181738B2 (en) * | 2007-04-24 | 2012-05-22 | Serious Energy, Inc. | Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same |
US8165333B2 (en) * | 2007-04-25 | 2012-04-24 | Tracy Dennis A | Modular speaker system |
US9119000B2 (en) | 2007-04-25 | 2015-08-25 | Dennis A. Tracy | Modular speaker system |
US10174499B1 (en) | 2007-05-01 | 2019-01-08 | Pacific Coast Building Products, Inc. | Acoustical sound proofing material for architectural retrofit applications and methods for manufacturing same |
US20080286609A1 (en) * | 2007-05-15 | 2008-11-20 | Surace Kevin J | Low embodied energy wallboards and methods of making same |
US20100101457A1 (en) * | 2007-05-25 | 2010-04-29 | Surace Kevin J | Low embodied energy sheathing panels and methods of making same |
US9387649B2 (en) * | 2007-06-28 | 2016-07-12 | Pacific Coast Building Products, Inc. | Methods of manufacturing acoustical sound proofing materials with optimized fracture characteristics |
US20090000245A1 (en) * | 2007-06-28 | 2009-01-01 | Tinianov Brandon D | Methods of manufacturing acoustical sound proofing material |
US7908818B2 (en) * | 2008-05-08 | 2011-03-22 | Serious Materials, Inc. | Methods of manufacturing acoustical sound proofing materials with optimized fracture characteristics |
US7799410B2 (en) * | 2007-06-30 | 2010-09-21 | Serious Materials, Inc. | Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same |
US7914914B2 (en) * | 2007-06-30 | 2011-03-29 | Serious Materials, Inc. | Low embodied energy sheathing panels with optimal water vapor permeance and methods of making same |
US8337993B2 (en) | 2007-11-16 | 2012-12-25 | Serious Energy, Inc. | Low embodied energy wallboards and methods of making same |
MY158232A (en) * | 2008-02-19 | 2016-09-15 | United States Gypsum Co | Method and apparatus for pressurized calcination of gypsum |
US20140113241A1 (en) * | 2012-10-22 | 2014-04-24 | United States Gypsum Company | Calcining kettle |
GB201401092D0 (en) * | 2014-01-23 | 2014-03-12 | Rolls Royce Plc | Heat exchanger support |
CA2988547C (en) | 2016-12-15 | 2021-01-26 | Certainteed Gypsum, Inc. | Plaster boards and methods for making them |
US11124965B2 (en) | 2017-09-26 | 2021-09-21 | Certainteed Gypsum, Inc. | Plaster boards having internal layers and methods for making them |
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US11046611B2 (en) | 2018-04-10 | 2021-06-29 | Tru-Flow Systems, Inc. | Calcining kettle, calcining system, and method |
Citations (9)
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US2261872A (en) * | 1938-06-08 | 1941-11-04 | Anna W Choate | Continuous process for making reacted plaster |
US3236509A (en) * | 1961-11-13 | 1966-02-22 | British Plaster Board Holdings | Process and apparatus for continuous calcining of powdered gypsum rock |
US4176157A (en) * | 1974-11-14 | 1979-11-27 | Bpb Industries Limited | Calcining calcium sulphate dihydrate |
US4569831A (en) * | 1985-04-01 | 1986-02-11 | Fuller Company | Process and apparatus for calcining gypsum |
US4626199A (en) * | 1985-04-25 | 1986-12-02 | United States Gypsum Company | Submerged combustion calcination |
US4744961A (en) * | 1985-04-25 | 1988-05-17 | United States Gypsum Company | Submerged combustion calcination |
US4744963A (en) * | 1986-08-14 | 1988-05-17 | United States Gypsum Company | Highly efficient calcination of gypsum to hemihydrate |
US5011668A (en) * | 1986-01-07 | 1991-04-30 | United States Gypsum Company | Calcination apparatus |
US5139749A (en) * | 1990-06-22 | 1992-08-18 | Tas, Inc. | Fluidized calcining process |
Family Cites Families (31)
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DE169737C (en) * | ||||
BE624555A (en) * | 1961-11-13 | 1963-03-01 | ||
GB1198807A (en) * | 1963-12-03 | 1970-07-15 | Ici Ltd | Continuous process for the production of calcium sulphate alpha-hemihydrate from gypsum |
US3307840A (en) * | 1964-01-14 | 1967-03-07 | Georgia Pacific Corp | Continuous calcination of gypsum |
US3307915A (en) * | 1964-01-22 | 1967-03-07 | Georgia Pacific Corp | Apparatus for continuous calcination of gypsum |
GB1087549A (en) * | 1964-12-29 | 1967-10-18 | Bpb Industries Ltd | Process of calcining gypsum |
US3378246A (en) * | 1965-11-15 | 1968-04-16 | United States Gypsum Co | Calcining kettle discharge apparatus |
US3669435A (en) * | 1970-02-26 | 1972-06-13 | American Optical Corp | All-ceramic glass making system |
US3901645A (en) * | 1971-04-07 | 1975-08-26 | Universal Kettle Company Inc | Calcining kettle and system |
US3871829A (en) * | 1972-10-20 | 1975-03-18 | Gen Electric | Calciner with baffle means |
GB1488665A (en) * | 1973-11-27 | 1977-10-12 | Bpb Industries Ltd | Calcining calcium sulphate dihydrate |
FR2311764A1 (en) * | 1975-05-23 | 1976-12-17 | Rhone Poulenc Ind | METHOD AND APPARATUS FOR THERMAL TRANSFORMATION OF GYPSUM |
US4113836A (en) * | 1976-10-29 | 1978-09-12 | National Gypsum Company | Continuous gypsum calcination process and kettle therefor |
US4117070A (en) * | 1977-03-14 | 1978-09-26 | United States Gypsum Company | Process for preparing calcined gypsum |
US4161390A (en) * | 1977-06-16 | 1979-07-17 | United States Gypsum Company | Calcining kettle having multi-pass heating system |
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US5743954A (en) * | 1995-02-02 | 1998-04-28 | United States Gypsum Company | Method for continuous refractoryless calcining of gypsum |
-
1995
- 1995-08-15 US US08/515,265 patent/US5743728A/en not_active Expired - Lifetime
-
1996
- 1996-08-07 WO PCT/US1996/012566 patent/WO1997007073A1/en active IP Right Grant
- 1996-08-07 CN CNB961968486A patent/CN1153745C/en not_active Expired - Fee Related
- 1996-08-07 JP JP50931197A patent/JP3916001B2/en not_active Expired - Fee Related
- 1996-08-07 AU AU67644/96A patent/AU6764496A/en not_active Abandoned
- 1996-08-07 ES ES96928035T patent/ES2213777T3/en not_active Expired - Lifetime
- 1996-08-07 DE DE69631251T patent/DE69631251T2/en not_active Expired - Lifetime
- 1996-08-07 EP EP96928035A patent/EP0844987B1/en not_active Expired - Lifetime
-
1998
- 1998-01-09 US US09/005,323 patent/US5954497A/en not_active Expired - Lifetime
Patent Citations (9)
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---|---|---|---|---|
US2261872A (en) * | 1938-06-08 | 1941-11-04 | Anna W Choate | Continuous process for making reacted plaster |
US3236509A (en) * | 1961-11-13 | 1966-02-22 | British Plaster Board Holdings | Process and apparatus for continuous calcining of powdered gypsum rock |
US4176157A (en) * | 1974-11-14 | 1979-11-27 | Bpb Industries Limited | Calcining calcium sulphate dihydrate |
US4569831A (en) * | 1985-04-01 | 1986-02-11 | Fuller Company | Process and apparatus for calcining gypsum |
US4626199A (en) * | 1985-04-25 | 1986-12-02 | United States Gypsum Company | Submerged combustion calcination |
US4744961A (en) * | 1985-04-25 | 1988-05-17 | United States Gypsum Company | Submerged combustion calcination |
US5011668A (en) * | 1986-01-07 | 1991-04-30 | United States Gypsum Company | Calcination apparatus |
US4744963A (en) * | 1986-08-14 | 1988-05-17 | United States Gypsum Company | Highly efficient calcination of gypsum to hemihydrate |
US5139749A (en) * | 1990-06-22 | 1992-08-18 | Tas, Inc. | Fluidized calcining process |
Non-Patent Citations (1)
Title |
---|
See also references of EP0844987A4 * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2337514B (en) * | 1998-05-22 | 2000-04-12 | Mark Youds | Crystalline structure enhancer |
GB2337514A (en) * | 1998-05-22 | 1999-11-24 | Mark Youds | Crystalline structure enhancer; calcining gypsum |
ES2277755A1 (en) * | 2005-09-01 | 2007-07-16 | Crisanto Palacios Gavilan | Preparation of soluble anhydrite product from natural calcium sulfate, involves use of single heating step without any subsequent forced cooling |
WO2009105706A1 (en) * | 2008-02-20 | 2009-08-27 | National Gypsum Properties, Llc | Method and system for stucco conditioning |
WO2010003827A1 (en) * | 2008-07-11 | 2010-01-14 | K And Co | Process for the industrial manufacture of compositions based on anhydrous calcium sulphate in the β-anhydrite iii' form, and corresponding compositions and binders |
FR2933688A1 (en) * | 2008-07-11 | 2010-01-15 | K And Co | PROCESS FOR THE INDUSTRIAL MANUFACTURE OF ANHYDROUS CALCIUM SULFATE COMPOSITIONS IN THE FORM BETA ANHYDRITE III 'COMPOSITIONS AND CORRESPONDING BINDERS |
US8211371B2 (en) | 2008-07-23 | 2012-07-03 | Andritz Technology And Asset Management Gmbh | Device and process for heat transfer |
FR2947258A1 (en) * | 2009-06-26 | 2010-12-31 | K And Co | Preparing powder composition comprising calcium sulfate in metastable beta anhydrite III form from powdery material made of calcium sulfate hemihydrate comprises drying powder material by contacting with hot gaseous fluid in drier |
WO2011117438A3 (en) * | 2010-03-24 | 2012-01-12 | Herlogas, S.A. | Furnace for melting inorganic salts |
CN102869945A (en) * | 2010-03-24 | 2013-01-09 | 赫尔洛加斯有限公司 | Furnace for melting inorganic salts |
US9927176B2 (en) | 2010-03-24 | 2018-03-27 | Herlogas, S.A. | Furnace for melting inorganic salts |
WO2013140234A1 (en) * | 2012-03-21 | 2013-09-26 | Greenmade Development Ltd | Method for preparing hydraulic binders comprising a mixture of sulphoaluminate clinker or cement and calcium sulphate |
CN110803876A (en) * | 2019-11-25 | 2020-02-18 | 江苏一夫科技股份有限公司 | II type anhydrous gypsum thermal coupling production device and method |
CN110803876B (en) * | 2019-11-25 | 2020-09-18 | 江苏一夫科技股份有限公司 | II type anhydrous gypsum thermal coupling production device and method |
Also Published As
Publication number | Publication date |
---|---|
EP0844987A4 (en) | 1998-12-02 |
JP2001507662A (en) | 2001-06-12 |
CN1196034A (en) | 1998-10-14 |
DE69631251D1 (en) | 2004-02-05 |
ES2213777T3 (en) | 2004-09-01 |
JP3916001B2 (en) | 2007-05-16 |
EP0844987B1 (en) | 2004-01-02 |
EP0844987A1 (en) | 1998-06-03 |
US5954497A (en) | 1999-09-21 |
AU6764496A (en) | 1997-03-12 |
DE69631251T2 (en) | 2005-01-27 |
US5743728A (en) | 1998-04-28 |
CN1153745C (en) | 2004-06-16 |
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