FI59383C - Foerfarande och anordning foer kalcinering av kalciumsulfatdihydrat - Google Patents

Foerfarande och anordning foer kalcinering av kalciumsulfatdihydrat Download PDF

Info

Publication number: FI59383C
Authority: FI; Finland
Prior art keywords: boiler; pipe; calcination; burner; tube
Prior art date: 1973-11-27

Application number

FI3379/74A

Other languages

English (en)

Finnish (fi)

Other versions

FI337974A7 (fr

FI59383B (fi

Inventor

James Stanley George

Arthur George Gerry Ward

Percy Nariman Pastakia

Original Assignee

Bpb Industries Ltd

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.)

1973-11-27

Filing date

1974-11-22

Publication date

1981-08-10

1974-11-22 Application filed by Bpb Industries Ltd filed Critical Bpb Industries Ltd

1975-05-28 Publication of FI337974A7 publication Critical patent/FI337974A7/fi

1981-04-30 Application granted granted Critical

1981-04-30 Publication of FI59383B publication Critical patent/FI59383B/fi

1981-08-10 Publication of FI59383C publication Critical patent/FI59383C/fi

Links

238000001354 calcination Methods 0.000 title claims description 28
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims description 7
238000004873 anchoring Methods 0.000 title 1
229910052602 gypsum Inorganic materials 0.000 claims description 16
239000010440 gypsum Substances 0.000 claims description 16
239000007789 gas Substances 0.000 claims description 13
238000000034 method Methods 0.000 claims description 13
238000002485 combustion reaction Methods 0.000 claims description 11
239000000446 fuel Substances 0.000 claims description 9
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
238000009826 distribution Methods 0.000 claims description 4
238000010438 heat treatment Methods 0.000 claims description 4
239000000203 mixture Substances 0.000 claims description 4
239000003345 natural gas Substances 0.000 claims description 4
239000003086 colorant Substances 0.000 claims 2
150000008064 anhydrides Chemical class 0.000 claims 1
239000000112 cooling gas Substances 0.000 claims 1
238000009472 formulation Methods 0.000 claims 1
229910052500 inorganic mineral Inorganic materials 0.000 claims 1
239000011707 mineral Substances 0.000 claims 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
238000004519 manufacturing process Methods 0.000 description 6
239000004020 conductor Substances 0.000 description 3
238000010924 continuous production Methods 0.000 description 3
230000002411 adverse Effects 0.000 description 2
238000010923 batch production Methods 0.000 description 2
239000000567 combustion gas Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000523 sample Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000003546 flue gas Substances 0.000 description 1
239000002737 fuel gas Substances 0.000 description 1
238000011031 large-scale manufacturing process Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1

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
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Organic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Baking, Grill, Roasting (AREA)
Cookers (AREA)
Adhesives Or Adhesive Processes (AREA)
Noodles (AREA)
Commercial Cooking Devices (AREA)

FI3379/74A 1973-11-27 1974-11-22 Foerfarande och anordning foer kalcinering av kalciumsulfatdihydrat FI59383C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB54940/73A GB1488665A (en)	1973-11-27	1973-11-27	Calcining calcium sulphate dihydrate
GB5494073		1973-11-27

Publications (3)

Publication Number	Publication Date
FI337974A7 FI337974A7 (fr)	1975-05-28
FI59383B FI59383B (fi)	1981-04-30
FI59383C true FI59383C (fi)	1981-08-10

Family

ID=10472525

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI3379/74A FI59383C (fi)	1973-11-27	1974-11-22	Foerfarande och anordning foer kalcinering av kalciumsulfatdihydrat

Country Status (18)

Country	Link
JP (1)	JPS56370B2 (fr)
AT (1)	AT363376B (fr)
BE (1)	BE822555A (fr)
CA (1)	CA1044014A (fr)
CH (1)	CH605449A5 (fr)
DE (1)	DE2454857C3 (fr)
DK (1)	DK153939C (fr)
ES (1)	ES432269A1 (fr)
FI (1)	FI59383C (fr)
FR (1)	FR2252308B1 (fr)
GB (1)	GB1488665A (fr)
IE (1)	IE40249B1 (fr)
IT (1)	IT1026570B (fr)
LU (1)	LU71346A1 (fr)
NL (1)	NL181501C (fr)
NO (1)	NO139823C (fr)
SE (1)	SE7414838L (fr)
ZA (1)	ZA747209B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA793953B (en) *	1978-08-08	1980-08-27	Coal Industry Patents Ltd	Heat treatment of material
IE49127B1 (en) *	1979-01-08	1985-08-07	Bpb Industries Ltd	Calcination method and apparatus
ZA817558B (en) *	1980-11-10	1983-02-23	Bpb Industries Plc	Improvements in calcining calcium sulphate dihydrate
GB2140702A (en) *	1980-11-10	1984-12-05	Bpb Industries Plc	Fluidised bed calcination
US4744961A (en) *	1985-04-25	1988-05-17	United States Gypsum Company	Submerged combustion calcination
US4626199A (en) *	1985-04-25	1986-12-02	United States Gypsum Company	Submerged combustion calcination
DE3536321A1 (de) *	1985-10-11	1987-04-23	Bischoff Gasreinigung	Verfahren und reaktor fuer die herstellung von alphahalbhydratgips aus calciumsulfatdihydrat von nach dem nasswaschverfahren mit kalk arbeitenden rauchgasentschwefelungsanlagen
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
US7434980B2 (en)	2004-02-27	2008-10-14	United States Gypsum Company	Swinging agitator for a gypsum calcining apparatus and the like
US7175426B2 (en)	2004-02-27	2007-02-13	United States Gypsum Company	High efficiency refractoryless kettle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL285104A (fr) *	1961-11-13

1973
- 1973-11-27 GB GB54940/73A patent/GB1488665A/en not_active Expired
1974
- 1974-11-06 IE IE2281/74A patent/IE40249B1/xx unknown
- 1974-11-11 ZA ZA00747209A patent/ZA747209B/xx unknown
- 1974-11-14 CA CA213,730A patent/CA1044014A/fr not_active Expired
- 1974-11-19 DE DE2454857A patent/DE2454857C3/de not_active Expired
- 1974-11-20 NO NO744190A patent/NO139823C/no unknown
- 1974-11-22 FI FI3379/74A patent/FI59383C/fi active
- 1974-11-22 CH CH1558274A patent/CH605449A5/xx not_active IP Right Cessation
- 1974-11-25 BE BE150817A patent/BE822555A/fr not_active IP Right Cessation
- 1974-11-25 LU LU71346A patent/LU71346A1/xx unknown
- 1974-11-25 JP JP13583574A patent/JPS56370B2/ja not_active Expired
- 1974-11-26 SE SE7414838A patent/SE7414838L/xx unknown
- 1974-11-26 ES ES432269A patent/ES432269A1/es not_active Expired
- 1974-11-26 DK DK613974A patent/DK153939C/da not_active IP Right Cessation
- 1974-11-27 IT IT29899/74A patent/IT1026570B/it active
- 1974-11-27 AT AT0949574A patent/AT363376B/de not_active IP Right Cessation
- 1974-11-27 NL NLAANVRAGE7415482,A patent/NL181501C/xx not_active IP Right Cessation
- 1974-11-27 FR FR7438830A patent/FR2252308B1/fr not_active Expired

Also Published As

Publication number	Publication date
ZA747209B (en)	1975-11-26
DE2454857B2 (de)	1979-07-12
CA1044014A (fr)	1978-12-12
DK153939B (da)	1988-09-26
NL181501C (nl)	1987-09-01
LU71346A1 (fr)	1975-06-11
NL7415482A (nl)	1975-05-29
IE40249B1 (en)	1979-04-11
SE7414838L (fr)	1975-05-28
NO139823B (no)	1979-02-05
DE2454857C3 (de)	1980-03-13
DK153939C (da)	1989-02-20
NO139823C (no)	1979-05-16
IT1026570B (it)	1978-10-20
DE2454857A1 (de)	1975-05-28
ES432269A1 (es)	1976-12-16
FI337974A7 (fr)	1975-05-28
JPS56370B2 (fr)	1981-01-07
AT363376B (de)	1981-07-27
GB1488665A (en)	1977-10-12
NO744190L (fr)	1975-06-23
CH605449A5 (fr)	1978-09-29
FR2252308A1 (fr)	1975-06-20
FR2252308B1 (fr)	1982-09-17
AU7560974A (en)	1976-05-27
NL181501B (nl)	1987-04-01
BE822555A (fr)	1975-03-14
JPS5084497A (fr)	1975-07-08
IE40249L (en)	1975-05-27
ATA949574A (de)	1980-12-15
DK613974A (fr)	1975-09-29
FI59383B (fi)	1981-04-30

Publication	Publication Date	Title
FI59383C (fi)	1981-08-10	Foerfarande och anordning foer kalcinering av kalciumsulfatdihydrat
FI65417C (fi)	1984-05-10	Kalcineringsfoerfarande och -anordning
US4176157A (en)	1979-11-27	Calcining calcium sulphate dihydrate
SU629904A3 (ru)	1978-10-25	Установка дл термообработки мелкозернистого материала
US3314766A (en)	1967-04-18	Sulfur burner
SE441627B (sv)	1985-10-21	Schaktugn for kontinuerlig smeltning av kopparstycken
US2584312A (en)	1952-02-05	Reactor furnace
CH380627A (fr)	1964-07-31	Four vertical
US2338175A (en)	1944-01-04	Blast furnace
US3647195A (en)	1972-03-07	Apparatus for and method of controlling rotary kiln operation
US3957422A (en)	1976-05-18	Method and device for the peripheral heating of mineral substances in shaft furnaces with fluid fuels and air
NO135797B (fr)	1977-02-21
US723251A (en)	1903-03-24	Metallurgical and chemical furnace.
SU516951A1 (ru)	1976-06-05	Устройство дл определени температуры воспламенени твердых углеродистых материалов
US2924577A (en)	1960-02-09	Production of controlled atmospheres and gas generator therefor
US267525A (en)	1882-11-14	Ments
US698191A (en)	1902-04-22	Fine-fuel combustion.
SU475865A1 (ru)	1977-12-05	Эндо-экзогенератор
US452821A (en)	1891-05-26	Manufacture of phosphorus
US949596A (en)	1910-02-15	Apparatus for regulating combustion.
US447155A (en)	1891-02-24	Fifth to amable b
US666032A (en)	1901-01-15	Process of making gas.
JPH0329381B2 (fr)	1991-04-24
US448675A (en)	1891-03-24	Manufacture of artificial stone
US55699A (en)	1866-06-19	Improvement in limekilns