EA201170430A1 - Способ и система для получения высокопрочного гипса - Google Patents
Способ и система для получения высокопрочного гипсаInfo
- Publication number
- EA201170430A1 EA201170430A1 EA201170430A EA201170430A EA201170430A1 EA 201170430 A1 EA201170430 A1 EA 201170430A1 EA 201170430 A EA201170430 A EA 201170430A EA 201170430 A EA201170430 A EA 201170430A EA 201170430 A1 EA201170430 A1 EA 201170430A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- gypsum
- temperature
- reactor
- post
- strength
- Prior art date
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
- C04B11/007—After-treatment of the dehydration products, e.g. aging, stabilisation
Abstract
Настоящее изобретение относится к способу получения высокопрочного гипса, изготовленного из кальцинированного β-полугидратного гипса, включающему добавление гипсового материала, состоящего в основном из β-полугидратного гипса, в реактор (3) для дополнительной обработки, дополнительную обработку в реакторе (3) для дополнительной обработки с образованием высокопрочного гипса, где β-полугидратный гипс непосредственно преобразуется в α-полугидратный гипс при температуре выше температуры кальцинирования 95°С, удаление высокопрочного гипса из реактора (3) для дополнительной обработки и охлаждение. Во время добавления гипсового материала в реактор (3) для дополнительной обработки температуру доводят, по меньшей мере, до температуры кальцинирования, преобразование осуществляют в реакторе (3) для дополнительной обработки при времени выдержки меньшем чем 30 мин, при этом извне добавляют пар и температуру и давление в реакторе (3) для дополнительной обработки регулируют так, что температура равна по меньшей мере 95°С и присутствует избыточное давление.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08016047A EP2163532A1 (de) | 2008-09-11 | 2008-09-11 | Verfahren und Anlage zur Herstellung von Hartgips |
PCT/EP2009/006621 WO2010028847A1 (de) | 2008-09-11 | 2009-09-11 | Verfahren und anlage zur herstellung von hartgips |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201170430A1 true EA201170430A1 (ru) | 2011-10-31 |
EA019825B1 EA019825B1 (ru) | 2014-06-30 |
Family
ID=39967243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201170430A EA019825B1 (ru) | 2008-09-11 | 2009-09-11 | Способ и система для получения высокопрочного гипса |
Country Status (7)
Country | Link |
---|---|
US (1) | US9340455B2 (ru) |
EP (2) | EP2163532A1 (ru) |
JP (1) | JP5529137B2 (ru) |
CN (1) | CN102171156A (ru) |
CA (1) | CA2737065C (ru) |
EA (1) | EA019825B1 (ru) |
WO (1) | WO2010028847A1 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2497574B (en) * | 2011-12-15 | 2019-10-02 | Saint Gobain Placo Sas | A method of forming a gypsum based product |
CN102874858B (zh) * | 2012-09-21 | 2014-10-22 | 孟庆前 | 一种工业副产品石膏的α晶型生产装置及方法 |
CN103408278B (zh) * | 2013-08-19 | 2015-02-04 | 四川省建材工业科学研究院 | 一种用磷石膏制备硬石膏胶结浆料的方法 |
EP2894135A1 (en) * | 2014-01-10 | 2015-07-15 | Saint-Gobain Placo SAS | Method of curing a gypsum calcination product |
DE102015223866A1 (de) * | 2015-12-01 | 2017-06-01 | Claudius Peters Projects Gmbh | Kalzinieranlage und Verfahren zum Kalzinieren |
EP3284723A1 (de) | 2016-08-17 | 2018-02-21 | Claudius Peters Projects GmbH | Zweistufiges kalzinierverfahren sowie anlage hierfür |
CN110803876B (zh) * | 2019-11-25 | 2020-09-18 | 江苏一夫科技股份有限公司 | 一种ⅱ型无水石膏热耦合生产装置及方法 |
CN115724605B (zh) * | 2022-11-25 | 2024-04-16 | 中国科学院过程工程研究所 | 一种石膏快速陈化系统及方法 |
CN116102275A (zh) * | 2022-12-23 | 2023-05-12 | 东北大学 | 一种石膏分步流体焙烧制备β-半水石膏和硬石膏的方法 |
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FR2276276A1 (fr) * | 1974-06-28 | 1976-01-23 | Rhone Poulenc Ind | Procede de preparation de platre |
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DE3819652C3 (de) * | 1987-05-22 | 1996-08-01 | Pro Mineral Ges | Verfahren zur Erzeugung von als Baustoff geeignetem Calciumsulfat-Alphahalbhydrat aus feuchtem, feinteiligem Rauchgasentschwefelungsgips und seine Verwendung |
DE3816513C3 (de) * | 1987-05-22 | 1998-10-01 | Pro Mineral Ges | Verfahren zur Erzeugung von Calciumsulfat-Alphahalbhydrat aus feinteiligem Calciumsulfat und dessen Verwendung |
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EP2254837A4 (en) * | 2008-02-19 | 2012-01-25 | United States Gypsum Co | METHOD AND APPARATUS FOR PRESSURE CALCINATION OF GYPSUM |
EP2116294A1 (de) * | 2008-05-09 | 2009-11-11 | Claudius Peters Technologies GmbH | Kalzinierverfahren und- anlage |
FR2943663B1 (fr) * | 2009-03-25 | 2011-05-06 | Lafarge Sa | Beton a haute ou ultra haute performance |
GB2497574B (en) * | 2011-12-15 | 2019-10-02 | Saint Gobain Placo Sas | A method of forming a gypsum based product |
-
2008
- 2008-09-11 EP EP08016047A patent/EP2163532A1/de not_active Withdrawn
-
2009
- 2009-09-11 CN CN2009801361409A patent/CN102171156A/zh active Pending
- 2009-09-11 US US13/063,719 patent/US9340455B2/en active Active
- 2009-09-11 JP JP2011526413A patent/JP5529137B2/ja not_active Expired - Fee Related
- 2009-09-11 CA CA2737065A patent/CA2737065C/en not_active Expired - Fee Related
- 2009-09-11 WO PCT/EP2009/006621 patent/WO2010028847A1/de active Application Filing
- 2009-09-11 EP EP09778496.1A patent/EP2340237B1/de not_active Not-in-force
- 2009-09-11 EA EA201170430A patent/EA019825B1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2737065A1 (en) | 2010-03-18 |
JP5529137B2 (ja) | 2014-06-25 |
US9340455B2 (en) | 2016-05-17 |
WO2010028847A1 (de) | 2010-03-18 |
EA019825B1 (ru) | 2014-06-30 |
EP2163532A1 (de) | 2010-03-17 |
EP2340237B1 (de) | 2016-06-22 |
JP2012501948A (ja) | 2012-01-26 |
US20110168061A1 (en) | 2011-07-14 |
CA2737065C (en) | 2016-11-29 |
EP2340237A1 (de) | 2011-07-06 |
CN102171156A (zh) | 2011-08-31 |
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Legal Events
Date | Code | Title | Description |
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MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG MD TJ TM |
|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): KZ RU |