NO812036L - Fremgangsmaate og innretning for aa fjerne overskytende vaner n fra en blanding av vann og gips samt de oppnaadde produkt - Google Patents
Fremgangsmaate og innretning for aa fjerne overskytende vaner n fra en blanding av vann og gips samt de oppnaadde produktInfo
- Publication number
- NO812036L NO812036L NO812036A NO812036A NO812036L NO 812036 L NO812036 L NO 812036L NO 812036 A NO812036 A NO 812036A NO 812036 A NO812036 A NO 812036A NO 812036 L NO812036 L NO 812036L
- Authority
- NO
- Norway
- Prior art keywords
- water
- hydration
- product
- drying
- gypsum
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 141
- 238000000034 method Methods 0.000 title claims description 28
- 239000000203 mixture Substances 0.000 title claims description 19
- 239000004033 plastic Substances 0.000 title description 4
- 229920003023 plastic Polymers 0.000 title description 4
- 238000001035 drying Methods 0.000 claims description 101
- 238000006703 hydration reaction Methods 0.000 claims description 69
- 230000036571 hydration Effects 0.000 claims description 65
- 239000010440 gypsum Substances 0.000 claims description 53
- 229910052602 gypsum Inorganic materials 0.000 claims description 53
- 239000011505 plaster Substances 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 31
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 241000499489 Castor canadensis Species 0.000 claims 1
- 235000011779 Menyanthes trifoliata Nutrition 0.000 claims 1
- 238000011049 filling Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 59
- 239000003570 air Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 8
- 239000000654 additive Substances 0.000 description 5
- 235000011132 calcium sulphate Nutrition 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 229910052925 anhydrite Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000001175 calcium sulphate Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8013497A FR2484899A1 (fr) | 1980-06-18 | 1980-06-18 | Procede et dispositif d'elimination de l'eau excedentaire d'un melange de platre et d'eau, et produits obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO812036L true NO812036L (no) | 1981-12-21 |
Family
ID=9243223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO812036A NO812036L (no) | 1980-06-18 | 1981-06-16 | Fremgangsmaate og innretning for aa fjerne overskytende vaner n fra en blanding av vann og gips samt de oppnaadde produkt |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US4383960A (es) |
| EP (1) | EP0042349B1 (es) |
| JP (1) | JPS5734088A (es) |
| KR (1) | KR840001878B1 (es) |
| AR (1) | AR224821A1 (es) |
| AT (1) | ATE10612T1 (es) |
| AU (1) | AU545928B2 (es) |
| BR (1) | BR8103796A (es) |
| CS (1) | CS236774B2 (es) |
| DD (1) | DD159636A5 (es) |
| DE (1) | DE3167584D1 (es) |
| DK (1) | DK266381A (es) |
| ES (1) | ES8300278A1 (es) |
| FI (1) | FI69295C (es) |
| FR (1) | FR2484899A1 (es) |
| GR (1) | GR79962B (es) |
| IL (1) | IL62992A (es) |
| IN (1) | IN154786B (es) |
| MA (1) | MA19180A1 (es) |
| NO (1) | NO812036L (es) |
| NZ (1) | NZ197357A (es) |
| PH (1) | PH17531A (es) |
| PL (1) | PL231730A1 (es) |
| PT (1) | PT73223B (es) |
| RO (1) | RO84037B (es) |
| YU (1) | YU152981A (es) |
| ZA (1) | ZA813885B (es) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133246A (ja) * | 1983-01-19 | 1984-07-31 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| IT1183353B (it) * | 1985-02-15 | 1987-10-22 | Moplefan Spa | Dispositivo per la fabbricazione in continuo di manufatti rinforzati da impasti di leganti idraulici e relativo procedimento |
| JPS63191838A (ja) * | 1986-01-17 | 1988-08-09 | Teijin Ltd | 二軸配向ポリエステルフイルム |
| EP0261430B1 (en) | 1986-08-27 | 1999-11-24 | Teijin Limited | Biaxially oriented polyester film |
| JPS63278939A (ja) * | 1987-05-11 | 1988-11-16 | Teijin Ltd | 二軸配向ポリエステルフイルム |
| JPS63286438A (ja) * | 1987-05-19 | 1988-11-24 | Teijin Ltd | 二軸配向ポリエステルフイルム |
| JPH0659679B2 (ja) * | 1989-09-01 | 1994-08-10 | 東レ株式会社 | 二軸配向熱可塑性樹脂フイルム |
| US6509192B1 (en) * | 1992-02-24 | 2003-01-21 | Coulter International Corp. | Quality control method |
| JPH08169965A (ja) * | 1995-04-05 | 1996-07-02 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| US6508895B2 (en) * | 1998-09-09 | 2003-01-21 | United States Gypsum Co | Method of producing gypsum/fiber board |
| CA2259743C (en) * | 1999-01-18 | 2006-06-13 | Westroc Inc. | Dryer control system |
| ATE368017T1 (de) | 2000-03-14 | 2007-08-15 | James Hardie Int Finance Bv | Faserzementbaumaterialien mit zusatzstoffen niedriger dichte |
| AR032923A1 (es) * | 2001-03-02 | 2003-12-03 | James Hardie Int Finance Bv | Aparato para salpicar. |
| US20030164119A1 (en) * | 2002-03-04 | 2003-09-04 | Basil Naji | Additive for dewaterable slurry and slurry incorporating same |
| US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
| ITMO20030174A1 (it) * | 2003-06-13 | 2004-12-14 | Morandi S R L Off | Metodo per la formatura di manufatti ceramici sostanzialmente |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| WO2007115379A1 (en) | 2006-04-12 | 2007-10-18 | James Hardie International Finance B.V. | A surface sealed reinforced building element |
| US7897079B2 (en) * | 2006-09-21 | 2011-03-01 | United States Gypsum Company | Method and apparatus for scrim embedment into wet processed panels |
| US8209927B2 (en) | 2007-12-20 | 2012-07-03 | James Hardie Technology Limited | Structural fiber cement building materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR448255A (fr) * | 1911-11-20 | 1913-01-27 | Ernest Leduc | Procédé de fabrication de briques et agglomérés en platre |
| DE1104419B (de) * | 1957-02-14 | 1961-04-06 | Nikolaus Wilhelm Knauf | Verfahren und Vorrichtung zur Herstellung von Baukoerpern |
| DE1771866B2 (de) * | 1968-07-23 | 1977-01-27 | Gebrüder Giulini GmbH, 6700 Ludwigshafen | Verfahren zur entfernung von ueberschuessigem wasser aus gipsformkoerpern |
| DE2212979A1 (de) * | 1972-03-17 | 1973-09-27 | Giulini Gmbh Geb | Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips |
| GB1466772A (en) * | 1974-08-07 | 1977-03-09 | Low J | Castings of articles containing calcined gypsum |
| US4233368A (en) * | 1978-06-05 | 1980-11-11 | United States Gypsum Company | Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
-
1980
- 1980-06-18 FR FR8013497A patent/FR2484899A1/fr active Granted
-
1981
- 1981-05-28 AR AR285479A patent/AR224821A1/es active
- 1981-05-29 IL IL62992A patent/IL62992A/xx unknown
- 1981-06-04 US US06/270,228 patent/US4383960A/en not_active Expired - Fee Related
- 1981-06-08 IN IN618/CAL/81A patent/IN154786B/en unknown
- 1981-06-09 NZ NZ197357A patent/NZ197357A/xx unknown
- 1981-06-10 ZA ZA00813885A patent/ZA813885B/xx unknown
- 1981-06-15 RO RO104583A patent/RO84037B/ro unknown
- 1981-06-15 BR BR8103796A patent/BR8103796A/pt unknown
- 1981-06-16 DD DD81230823A patent/DD159636A5/de unknown
- 1981-06-16 NO NO812036A patent/NO812036L/no unknown
- 1981-06-17 YU YU01529/81A patent/YU152981A/xx unknown
- 1981-06-17 CS CS814545A patent/CS236774B2/cs unknown
- 1981-06-17 PL PL23173081A patent/PL231730A1/xx unknown
- 1981-06-17 PT PT73223A patent/PT73223B/pt unknown
- 1981-06-17 FI FI811896A patent/FI69295C/fi not_active IP Right Cessation
- 1981-06-17 GR GR65246A patent/GR79962B/el unknown
- 1981-06-17 MA MA19390A patent/MA19180A1/fr unknown
- 1981-06-17 AU AU71904/81A patent/AU545928B2/en not_active Ceased
- 1981-06-17 DK DK266381A patent/DK266381A/da not_active Application Discontinuation
- 1981-06-17 ES ES503119A patent/ES8300278A1/es not_active Expired
- 1981-06-17 PH PH25766A patent/PH17531A/en unknown
- 1981-06-18 DE DE8181400977T patent/DE3167584D1/de not_active Expired
- 1981-06-18 EP EP81400977A patent/EP0042349B1/fr not_active Expired
- 1981-06-18 KR KR1019810002220A patent/KR840001878B1/ko active IP Right Grant
- 1981-06-18 AT AT81400977T patent/ATE10612T1/de not_active IP Right Cessation
- 1981-06-18 JP JP9311681A patent/JPS5734088A/ja active Pending
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