CA1044014A - Calcining calcium sulphate dihydrate - Google Patents

Calcining calcium sulphate dihydrate

Info

Publication number
CA1044014A
CA1044014A CA213,730A CA213730A CA1044014A CA 1044014 A CA1044014 A CA 1044014A CA 213730 A CA213730 A CA 213730A CA 1044014 A CA1044014 A CA 1044014A
Authority
CA
Canada
Prior art keywords
vessel
tube
calcination
mass
calcining
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA213,730A
Other languages
English (en)
French (fr)
Other versions
CA213730S (en
Inventor
James S. George
Arthur G.T. Ward
Percy N. Pastakia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BPB Ltd
Original Assignee
BPB Industries PLC
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 BPB Industries PLC filed Critical BPB Industries PLC
Application granted granted Critical
Publication of CA1044014A publication Critical patent/CA1044014A/en
Expired legal-status Critical Current

Links

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)
  • Adhesives Or Adhesive Processes (AREA)
  • Noodles (AREA)
  • Commercial Cooking Devices (AREA)
  • Cookers (AREA)
CA213,730A 1973-11-27 1974-11-14 Calcining calcium sulphate dihydrate Expired CA1044014A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1044014A true CA1044014A (en) 1978-12-12

Family

ID=10472525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA213,730A Expired CA1044014A (en) 1973-11-27 1974-11-14 Calcining calcium sulphate dihydrate

Country Status (18)

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

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
GB2140702A (en) * 1980-11-10 1984-12-05 Bpb Industries Plc Fluidised bed calcination
ZA817558B (en) * 1980-11-10 1983-02-23 Bpb Industries Plc Improvements in calcining calcium sulphate dihydrate
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
BE624555A (nl) * 1961-11-13 1963-03-01

Also Published As

Publication number Publication date
FI59383C (fi) 1981-08-10
ES432269A1 (es) 1976-12-16
IE40249B1 (en) 1979-04-11
NO139823B (no) 1979-02-05
DE2454857C3 (de) 1980-03-13
NL181501C (nl) 1987-09-01
NO139823C (no) 1979-05-16
DK153939B (da) 1988-09-26
NL7415482A (nl) 1975-05-29
ZA747209B (en) 1975-11-26
DE2454857A1 (de) 1975-05-28
FI337974A (nl) 1975-05-28
ATA949574A (de) 1980-12-15
AT363376B (de) 1981-07-27
DK613974A (nl) 1975-09-29
JPS5084497A (nl) 1975-07-08
DK153939C (da) 1989-02-20
JPS56370B2 (nl) 1981-01-07
GB1488665A (en) 1977-10-12
CH605449A5 (nl) 1978-09-29
LU71346A1 (nl) 1975-06-11
DE2454857B2 (de) 1979-07-12
IE40249L (en) 1975-05-27
FR2252308B1 (nl) 1982-09-17
NL181501B (nl) 1987-04-01
SE7414838L (nl) 1975-05-28
FR2252308A1 (nl) 1975-06-20
FI59383B (fi) 1981-04-30
AU7560974A (en) 1976-05-27
NO744190L (nl) 1975-06-23
IT1026570B (it) 1978-10-20
BE822555A (fr) 1975-03-14

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