JPS5413437B2 - - Google Patents
Info
- Publication number
- JPS5413437B2 JPS5413437B2 JP5845976A JP5845976A JPS5413437B2 JP S5413437 B2 JPS5413437 B2 JP S5413437B2 JP 5845976 A JP5845976 A JP 5845976A JP 5845976 A JP5845976 A JP 5845976A JP S5413437 B2 JPS5413437 B2 JP S5413437B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
-
- 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
- C04B11/0283—Fluidised beds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7516119A FR2311764A1 (fr) | 1975-05-23 | 1975-05-23 | Procede et appareil pour la transformation thermique de gypse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52795A JPS52795A (en) | 1977-01-06 |
| JPS5413437B2 true JPS5413437B2 (US20080094685A1-20080424-C00004.png) | 1979-05-30 |
Family
ID=9155595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51058459A Granted JPS52795A (en) | 1975-05-23 | 1976-05-20 | Heat treatment process for gypsum |
Country Status (11)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2727544A1 (de) * | 1977-06-18 | 1979-01-04 | Heinz Hoelter | Verfahren zur trocknung und umwandlung von chemiegips-dihydrat bis zum gips-halbhydrat durch nutzung von abgaswaerme hinter rauchgasentschwefelungsanlagen bei gleichzeitiger rauchgaskonditionierung fuer die nasse rauchgaswaesche |
| CH645083A5 (de) * | 1980-05-20 | 1984-09-14 | Escher Wyss Ag | Verfahren und vorrichtung zum rekalzinieren einer calciumkarbonat enthaltenden schlaemme. |
| JPS5745335A (en) * | 1980-09-02 | 1982-03-15 | Mitsui Eng & Shipbuild Co Ltd | Heating fluidized bed reactor |
| US4475884A (en) * | 1982-11-30 | 1984-10-09 | The United States of America as represented by the United States _Department of Energy | Reversed flow fluidized-bed combustion apparatus |
| US4503018A (en) * | 1983-02-14 | 1985-03-05 | Davy Mckee Corporation | Desulfurization of phosphogypsum |
| US4533528A (en) * | 1983-07-15 | 1985-08-06 | United States Gypsum Company | Process for continuously calcining gypsum to low dispersed consistency stucco |
| CA1258961A (en) * | 1984-09-17 | 1989-09-05 | Yoshihiko Kudo | PROCESS FOR PRODUCING .alpha.-FORM GYPSUM HEMIHYDRATE |
| US4946658A (en) * | 1986-11-06 | 1990-08-07 | Florida Institute Of Phosphate Research | Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
| DE3721421A1 (de) * | 1987-06-29 | 1989-01-12 | Deutsche Filterbau | Verfahren zum herstellen von trockenen kalzium-sulfatdihydraten aus rauchgasgips |
| DE3738301A1 (de) * | 1987-11-11 | 1989-05-24 | Peters Ag Claudius | Verfahren und vorrichtung zum brennen von gips |
| GB2214836B (en) * | 1988-02-08 | 1991-06-26 | Bpb Industries Plc | Improvements in method and apparatus for calcination |
| US4917024A (en) * | 1989-05-24 | 1990-04-17 | Florida Institute Of Phosphate Research | Coal fired power plant with pollution control and useful byproducts |
| US5198029A (en) * | 1989-08-01 | 1993-03-30 | Gte Products Corporation | Apparatus for coating small solids |
| GB8917963D0 (en) * | 1989-08-05 | 1989-09-20 | Scras | Apparatus for repeated automatic execution of a thermal cycle for treatment of biological samples |
| DD296058A5 (de) * | 1990-02-19 | 1991-11-21 | Veb Zementwerke Ruedersdorf,De | Verfahren zum dehydratisieren von anfallgipsen |
| US5143698A (en) * | 1990-03-05 | 1992-09-01 | Uop | Apparatus for internal backmix cooling |
| FR2660303B1 (fr) * | 1990-03-27 | 1992-07-17 | Electricite De France | Procede et dispositif de formation d'oxyde de calcium. |
| US5139749A (en) * | 1990-06-22 | 1992-08-18 | Tas, Inc. | Fluidized calcining process |
| DE4109743C2 (de) * | 1991-03-25 | 1995-03-23 | Escher Wyss Gmbh | Verfahren zur thermischen Behandlung von feuchten Hydraten |
| AT397929B (de) * | 1992-12-04 | 1994-08-25 | Chemiefaser Lenzing Ag | Verfahren und anlage zur trocknung und anschliessenden spaltung |
| US5743728A (en) * | 1995-08-15 | 1998-04-28 | Usg Corporation | Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
| DE19606075C2 (de) * | 1996-02-19 | 2000-02-17 | Sulzer Chemtech Gmbh | Verfahren und Vorrichtungen zur thermischen Behandlung von Gips |
| DE19627249C2 (de) * | 1996-07-08 | 2002-01-17 | Sicowa Verfahrenstech | Verfahren zur Herstellung von praktisch phasenreinem Calciumsulfat-beta-Halbhydrat |
| FR2836913B1 (fr) | 2002-03-08 | 2006-11-24 | Lafarge Platres | Dispositif de sechage et/ou cuisson de gypse |
| EP1726575A1 (en) * | 2005-05-27 | 2006-11-29 | Promat International N.V. | Method for plaster production and plaster product obtained by said method. |
| US8388926B2 (en) | 2006-01-13 | 2013-03-05 | Certainteed Gypsum, Inc. | System and method for the production of gypsum using heat recovery |
| PL1971813T3 (pl) * | 2006-01-13 | 2017-01-31 | Certainteed Gypsum, Inc. | System i sposób wytwarzania gipsu typu alfa z wykorzystaniem ciepła odzyskanego |
| CA2715793A1 (en) * | 2008-02-19 | 2009-08-27 | United States Gypsum Company | Method and apparatus for pressurized calcination of gypsum |
| EP2163532A1 (de) * | 2008-09-11 | 2010-03-17 | Claudius Peters Technologies GmbH | Verfahren und Anlage zur Herstellung von Hartgips |
| US7897134B1 (en) * | 2009-08-07 | 2011-03-01 | Alstom Technology Ltd | System and method for calcining gypsum |
| CN102491659B (zh) * | 2011-12-02 | 2013-03-27 | 宋乐柱 | 一种流化床式石膏煅烧装置 |
| CN115594428B (zh) * | 2022-10-26 | 2023-11-24 | 宜都兴发化工有限公司 | 一种磷石膏mvr干燥装置及方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2498405A (en) * | 1946-03-11 | 1950-02-21 | Jeffrey Mfg Co | Continuous vibrating reaction chamber |
| US2797908A (en) * | 1956-05-10 | 1957-07-02 | Zubrzycki Boleslaw Joseph | Zoning device for horizontal fluo-solid beds |
| NL133712C (US20080094685A1-20080424-C00004.png) * | 1961-02-14 | 1971-10-15 | ||
| NL136768C (US20080094685A1-20080424-C00004.png) * | 1962-02-27 | |||
| US3869256A (en) * | 1972-09-28 | 1975-03-04 | Atomic Energy Commission | Continuous fluid bed reactor for fissionable material |
| GB1504282A (en) * | 1974-02-16 | 1978-03-15 | Farrel Bridge Ltd | Methods of and apparatus for treating particulate material with a gas |
-
1975
- 1975-05-23 FR FR7516119A patent/FR2311764A1/fr active Granted
-
1976
- 1976-05-20 ZA ZA763014A patent/ZA763014B/xx unknown
- 1976-05-20 JP JP51058459A patent/JPS52795A/ja active Granted
- 1976-05-20 GR GR50769A patent/GR58250B/el unknown
- 1976-05-20 TR TR19196A patent/TR19196A/xx unknown
- 1976-05-21 DE DE2622994A patent/DE2622994B2/de active Granted
- 1976-05-21 BR BR3245/76A patent/BR7603245A/pt unknown
- 1976-05-21 GB GB21196/76A patent/GB1549029A/en not_active Expired
- 1976-05-21 IT IT49595/76A patent/IT1061560B/it active
- 1976-05-21 GB GB39419/77A patent/GB1549030A/en not_active Expired
- 1976-05-31 MX MX100390U patent/MX3470E/es unknown
-
1979
- 1979-04-16 US US06/030,514 patent/US4247518A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| MX3470E (es) | 1980-12-09 |
| TR19196A (tr) | 1978-06-01 |
| ZA763014B (en) | 1977-04-27 |
| DE2622994A1 (de) | 1976-12-09 |
| JPS52795A (en) | 1977-01-06 |
| BR7603245A (pt) | 1977-01-25 |
| DE2622994B2 (de) | 1978-05-24 |
| GB1549029A (en) | 1979-08-01 |
| US4247518A (en) | 1981-01-27 |
| GB1549030A (en) | 1979-08-01 |
| IT1061560B (it) | 1983-04-30 |
| GR58250B (en) | 1977-08-31 |
| DE2622994C3 (US20080094685A1-20080424-C00004.png) | 1979-01-18 |
| FR2311764B1 (US20080094685A1-20080424-C00004.png) | 1980-07-11 |
| FR2311764A1 (fr) | 1976-12-17 |
