JPS52119497A - Calcination of gypsum powder - Google Patents

Calcination of gypsum powder

Info

Publication number
JPS52119497A
JPS52119497A JP3520076A JP3520076A JPS52119497A JP S52119497 A JPS52119497 A JP S52119497A JP 3520076 A JP3520076 A JP 3520076A JP 3520076 A JP3520076 A JP 3520076A JP S52119497 A JPS52119497 A JP S52119497A
Authority
JP
Japan
Prior art keywords
calcination
gypsum powder
powder
gypsum
bed
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.)
Granted
Application number
JP3520076A
Other languages
Japanese (ja)
Other versions
JPS59465B2 (en
Inventor
Masayoshi Hosomi
Morio Watanabe
Yoshiharu Muratsubaki
Takamitsu Inagaki
Yasuhiro Mizuno
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.)
Nippon Carbide Industries Co Inc
Original Assignee
Nippon Carbide Industries Co Inc
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 Nippon Carbide Industries Co Inc filed Critical Nippon Carbide Industries Co Inc
Priority to JP3520076A priority Critical patent/JPS59465B2/en
Publication of JPS52119497A publication Critical patent/JPS52119497A/en
Publication of JPS59465B2 publication Critical patent/JPS59465B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)

Abstract

PURPOSE: To inexpensively produce anhydrous gypsum which is rapidly set, forming a molded product of uniform property and high strength, by supplying raw materail gypsum powder into a fluidized bed of solid media and calcining the powder while being passed through the bed and heated.
COPYRIGHT: (C)1977,JPO&Japio
JP3520076A 1976-04-01 1976-04-01 Calcining method of gypsum powder Expired JPS59465B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3520076A JPS59465B2 (en) 1976-04-01 1976-04-01 Calcining method of gypsum powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3520076A JPS59465B2 (en) 1976-04-01 1976-04-01 Calcining method of gypsum powder

Publications (2)

Publication Number Publication Date
JPS52119497A true JPS52119497A (en) 1977-10-06
JPS59465B2 JPS59465B2 (en) 1984-01-06

Family

ID=12435209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3520076A Expired JPS59465B2 (en) 1976-04-01 1976-04-01 Calcining method of gypsum powder

Country Status (1)

Country Link
JP (1) JPS59465B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864536A1 (en) * 1997-03-05 1998-09-16 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for the exploitation of gypsum contaminated with organic impurities and its use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864536A1 (en) * 1997-03-05 1998-09-16 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for the exploitation of gypsum contaminated with organic impurities and its use

Also Published As

Publication number Publication date
JPS59465B2 (en) 1984-01-06

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