IT1026570B - Metodo ed apparecchiatura per calcinare il solfato di calcio ciidrato - Google Patents

Metodo ed apparecchiatura per calcinare il solfato di calcio ciidrato

Info

Publication number
IT1026570B
IT1026570B IT29899/74A IT2989974A IT1026570B IT 1026570 B IT1026570 B IT 1026570B IT 29899/74 A IT29899/74 A IT 29899/74A IT 2989974 A IT2989974 A IT 2989974A IT 1026570 B IT1026570 B IT 1026570B
Authority
IT
Italy
Prior art keywords
calcium sulfate
sulfate hydrate
calcinating
calcinating calcium
hydrate
Prior art date
Application number
IT29899/74A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Bpb Industries Ltd filed Critical Bpb Industries Ltd
Application granted granted Critical
Publication of IT1026570B publication Critical patent/IT1026570B/it

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)
  • Cookers (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Noodles (AREA)
  • Commercial Cooking Devices (AREA)
IT29899/74A 1973-11-27 1974-11-27 Metodo ed apparecchiatura per calcinare il solfato di calcio ciidrato IT1026570B (it)

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
IT1026570B true IT1026570B (it) 1978-10-20

Family

ID=10472525

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29899/74A IT1026570B (it) 1973-11-27 1974-11-27 Metodo ed apparecchiatura per calcinare il solfato di calcio ciidrato

Country Status (18)

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

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
NL185896C (nl) * 1979-01-08 1990-08-16 Bpb Industries Ltd Inrichting voor het met warmte behandelen van een korrelvormig materiaal.
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
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
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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE624555A (it) * 1961-11-13 1963-03-01

Also Published As

Publication number Publication date
JPS56370B2 (it) 1981-01-07
DK613974A (it) 1975-09-29
NO139823C (no) 1979-05-16
LU71346A1 (it) 1975-06-11
DK153939C (da) 1989-02-20
FI59383B (fi) 1981-04-30
NO139823B (no) 1979-02-05
CA1044014A (en) 1978-12-12
NO744190L (it) 1975-06-23
FR2252308A1 (it) 1975-06-20
FI59383C (fi) 1981-08-10
DK153939B (da) 1988-09-26
CH605449A5 (it) 1978-09-29
FR2252308B1 (it) 1982-09-17
DE2454857C3 (de) 1980-03-13
ES432269A1 (es) 1976-12-16
ATA949574A (de) 1980-12-15
DE2454857B2 (de) 1979-07-12
JPS5084497A (it) 1975-07-08
NL7415482A (nl) 1975-05-29
DE2454857A1 (de) 1975-05-28
GB1488665A (en) 1977-10-12
NL181501B (nl) 1987-04-01
AT363376B (de) 1981-07-27
IE40249B1 (en) 1979-04-11
SE7414838L (it) 1975-05-28
AU7560974A (en) 1976-05-27
NL181501C (nl) 1987-09-01
FI337974A (it) 1975-05-28
IE40249L (en) 1975-05-27
BE822555A (fr) 1975-03-14
ZA747209B (en) 1975-11-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931014