NL285104A - - Google Patents

Info

Publication number: NL285104A
Authority: NL; Netherlands

Application number

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.)

1961-11-13

Publication of NL285104A publication Critical patent/NL285104A/xx

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
- 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
- B01J6/004—Calcining using hot gas streams in which the material is moved
- 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
- 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
- C04B11/0281—Kettles; Marmites; Autoclaves

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (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)
Crucibles And Fluidized-Bed Furnaces (AREA)
Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Baking, Grill, Roasting (AREA)
Compositions Of Oxide Ceramics (AREA)

NL285104D 1961-11-13 NL285104A (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US15296861A	1961-11-13	1961-11-13

Publications (1)

Publication Number	Publication Date
NL285104A true NL285104A (no)

Family

ID=22545214

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL285104D NL285104A (no)	1961-11-13
NL285104A NL141481B (nl)	1961-11-13	1962-11-05	Werkwijze voor het calcineren van gips.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL285104A NL141481B (nl)	1961-11-13	1962-11-05	Werkwijze voor het calcineren van gips.

Country Status (10)

Country	Link
BE (1)	BE624555A (no)
CH (1)	CH394926A (no)
DE (1)	DE1258321B (no)
DK (1)	DK115723B (no)
ES (1)	ES282399A1 (no)
FI (1)	FI47343C (no)
GB (1)	GB1018464A (no)
LU (1)	LU42643A1 (no)
NL (2)	NL141481B (no)
SE (1)	SE323614B (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1488665A (en) *	1973-11-27	1977-10-12	Bpb Industries Ltd	Calcining calcium sulphate dihydrate
US4161390A (en) *	1977-06-16	1979-07-17	United States Gypsum Company	Calcining kettle having multi-pass heating system
GB2001157B (en) *	1977-07-15	1982-07-07	Coal Ind	Improvements in or relating to fluidised beds
US4188186A (en) *	1978-06-22	1980-02-12	Combustion Engineering, Inc.	Automatic calcining kettle
ZA793953B (en) *	1978-08-08	1980-08-27	Coal Industry Patents Ltd	Heat treatment of material
NL185896C (nl) *	1979-01-08	1990-08-16	Bpb Industries Ltd	Inrichting voor het met warmte behandelen van een korrelvormig materiaal.
US4533528A (en) *	1983-07-15	1985-08-06	United States Gypsum Company	Process for continuously calcining gypsum to low dispersed consistency stucco
US4626199A (en) *	1985-04-25	1986-12-02	United States Gypsum Company	Submerged combustion calcination
GB8625964D0 (en) *	1986-10-30	1986-12-03	Bpb Industries Plc	Calcination apparatus
US5743954A (en) *	1995-02-02	1998-04-28	United States Gypsum Company	Method for continuous refractoryless calcining of gypsum
US5743728A (en) *	1995-08-15	1998-04-28	Usg Corporation	Method and system for multi-stage calcining of gypsum to produce an anhydrite product
US7175426B2 (en)	2004-02-27	2007-02-13	United States Gypsum Company	High efficiency refractoryless kettle
US7434980B2 (en)	2004-02-27	2008-10-14	United States Gypsum Company	Swinging agitator for a gypsum calcining apparatus and the like
EP2254837A4 (en) *	2008-02-19	2012-01-25	United States Gypsum Co	METHOD AND APPARATUS FOR PRESSURE CALCINATION OF GYPSUM

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2485317A (en) *	1943-01-29	1949-10-18	Standard Oil Dev Co	Method of manufacturing plaster of paris
GB610439A (en) *	1946-04-05	1948-10-15	Reginald George Franklin	Improvements in and relating to the dehydration of particulate calcium sulphate
FR928217A (fr) *	1946-05-17	1947-11-21		Système et procédé de séchage ou de traitement thermique
GB855131A (en) *	1955-12-01	1960-11-30	Smidth & Co As F L	Improvements relating to apparatus and installations for the cooling of cement or other material which can be fluidised

0
- NL NL285104D patent/NL285104A/xx unknown
- BE BE624555D patent/BE624555A/xx unknown
1962
- 1962-10-16 GB GB3918662A patent/GB1018464A/en not_active Expired
- 1962-11-05 LU LU42643D patent/LU42643A1/xx unknown
- 1962-11-05 NL NL285104A patent/NL141481B/xx not_active IP Right Cessation
- 1962-11-06 CH CH1296362A patent/CH394926A/de unknown
- 1962-11-09 DK DK483362A patent/DK115723B/da unknown
- 1962-11-10 FI FI201562A patent/FI47343C/fi active
- 1962-11-12 ES ES282399A patent/ES282399A1/es not_active Expired
- 1962-11-13 SE SE1218062A patent/SE323614B/xx unknown
- 1962-11-13 DE DEB69612A patent/DE1258321B/de active Pending

Also Published As

Publication number	Publication date
SE323614B (no)	1970-05-04
NL141481B (nl)	1974-03-15
ES282399A1 (es)	1963-02-01
DE1258321B (de)	1968-01-04
LU42643A1 (no)	1963-01-05
FI47343B (no)	1973-07-31
DK115723B (da)	1969-11-03
FI47343C (fi)	1973-11-12
BE624555A (no)	1963-03-01
GB1018464A (en)	1966-01-26
CH394926A (de)	1965-06-30

Publication	Publication Date	Title
FI47343B (no)	1973-07-31
BE601466A (no)
BE600768A (no)
BE600261A (no)
BE600209A (no)
BE600203A (no)
BE600124A (no)
BE599922A (no)	1961-05-29
BE599528A (no)
BE599210A (no)
BE599016A (no)
BE598861A (no)
BE597570A (no)
BE597352A (no)
BE596839A (no)
BE587184A (no)
BE583834A (no)
BE568568A (no)
BE567723A (no)
BE493336A (no)
BE482264A (no)
BE475425A (no)
BE472265A (no)
BE478349A (no)
BE476407A (no)