FI65224C - Foerfarande foer framstaellning av gipsskiva - Google Patents
Foerfarande foer framstaellning av gipsskiva Download PDFInfo
- Publication number
- FI65224C FI65224C FI792761A FI792761A FI65224C FI 65224 C FI65224 C FI 65224C FI 792761 A FI792761 A FI 792761A FI 792761 A FI792761 A FI 792761A FI 65224 C FI65224 C FI 65224C
- Authority
- FI
- Finland
- Prior art keywords
- water
- gypsum
- strength
- calcium sulphate
- gypsum board
- Prior art date
Links
- 229910052602 gypsum Inorganic materials 0.000 claims description 169
- 239000010440 gypsum Substances 0.000 claims description 169
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 151
- 239000002002 slurry Substances 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 23
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims description 2
- ZHZFKLKREFECML-UHFFFAOYSA-L calcium;sulfate;hydrate Chemical compound O.[Ca+2].[O-]S([O-])(=O)=O ZHZFKLKREFECML-UHFFFAOYSA-L 0.000 claims 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 90
- 238000004519 manufacturing process Methods 0.000 description 44
- 238000000227 grinding Methods 0.000 description 25
- 230000035876 healing Effects 0.000 description 20
- 238000002156 mixing Methods 0.000 description 16
- 239000004570 mortar (masonry) Substances 0.000 description 16
- 238000005266 casting Methods 0.000 description 13
- 239000006185 dispersion Substances 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 9
- 238000010304 firing Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000036571 hydration Effects 0.000 description 6
- 238000006703 hydration reaction Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000001311 chemical methods and process Methods 0.000 description 5
- 238000010924 continuous production Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 238000010923 batch production Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000005067 remediation Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001175 calcium sulphate Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 229920004482 WACKER® Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- -1 lignosulfates Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 238000009702 powder compression Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US93962478 | 1978-09-05 | ||
| US05/939,624 US4201595A (en) | 1977-03-14 | 1978-09-05 | Process for preparing calcined gypsum and gypsum board |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI792761A7 FI792761A7 (fi) | 1980-03-06 |
| FI65224B FI65224B (fi) | 1983-12-30 |
| FI65224C true FI65224C (fi) | 1984-04-10 |
Family
ID=25473481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI792761A FI65224C (fi) | 1978-09-05 | 1979-09-05 | Foerfarande foer framstaellning av gipsskiva |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0008947B1 (online.php) |
| JP (1) | JPS5537499A (online.php) |
| AU (1) | AU530867B2 (online.php) |
| BR (1) | BR7905689A (online.php) |
| CA (1) | CA1103890A (online.php) |
| DE (1) | DE2962452D1 (online.php) |
| DK (1) | DK369279A (online.php) |
| ES (2) | ES483963A1 (online.php) |
| FI (1) | FI65224C (online.php) |
| IL (1) | IL58206A (online.php) |
| MX (1) | MX152099A (online.php) |
| NO (1) | NO152439C (online.php) |
| ZA (1) | ZA794685B (online.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904071B1 (de) * | 1979-02-03 | 1980-07-24 | Knauf Westdeutsche Gips | Verfahren zur Herstellung eines Anhydrit-Gipsgemisches aus feinteiligem synthetischen Anhydrit |
| DE2908266C2 (de) * | 1979-03-02 | 1986-01-09 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Verfahren zur Herstellung eines Calciumsulfat-Halbhydrat-Dihydrat-Gemisches aus feinteiligem synthetischen Calciumsulfat-Halbhydrat |
| DE3818992A1 (de) * | 1988-06-03 | 1989-12-14 | Rigips Gmbh | Verfahren zur herstellung eines fuer die produktion von gipskartonplatten geeigneten stuckgipses aus rea-gips |
| ATE336471T1 (de) | 2003-12-19 | 2006-09-15 | Lafarge Platres | Verfahren sowie vorrichtung zum stabilisieren von gips |
| RU2009102816A (ru) | 2006-06-29 | 2010-08-10 | Йосино Джипсум Ко., Лтд. (Jp) | Способы изготовления обожженного гипса и гипсовой плиты |
| MX2021010958A (es) * | 2019-04-15 | 2021-10-13 | Yoshino Gypsum Co | Dispositivo de mezcla y agitacion de pretratamiento, aparato para fabricar suspension de yeso, aparato para fabricar paneles de construccion, metodo para fabricar yeso calcinado de pretratamiento, metodo para fabricar suspension de yeso, metodo para fabricar paneles de construccion. |
| CN110436804B (zh) * | 2019-07-26 | 2021-08-06 | 宁波北新建材有限公司 | 一种球磨过程中改善熟料相组成的装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3480387A (en) * | 1966-11-15 | 1969-11-25 | Central Glass Co Ltd | Method for producing gypsum pellets |
| DE1771625B2 (de) * | 1968-06-19 | 1977-02-17 | United States Gypsum Co., Chicago, 111. (V.St.A.) | Verfahren zum altern von gebranntem, beta-calciumsulfathemihydrat enthaltendem gips |
| BE756667A (nl) * | 1969-09-26 | 1971-03-01 | Geelen Hendrik E Van | Werkwijze voor het bereiden van alpha-calciumsulfaathalfhydraat |
| DE2115808C3 (de) * | 1971-04-01 | 1978-03-16 | Giulin Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von feindispers vermahlenem a-Calciumsulfat- Halbhydrat |
| US4117070A (en) * | 1977-03-14 | 1978-09-26 | United States Gypsum Company | Process for preparing calcined gypsum |
-
1979
- 1979-09-04 BR BR7905689A patent/BR7905689A/pt unknown
- 1979-09-04 NO NO792852A patent/NO152439C/no unknown
- 1979-09-04 DK DK369279A patent/DK369279A/da not_active Application Discontinuation
- 1979-09-05 ES ES483963A patent/ES483963A1/es not_active Expired
- 1979-09-05 ZA ZA00794685A patent/ZA794685B/xx unknown
- 1979-09-05 EP EP79301832A patent/EP0008947B1/en not_active Expired
- 1979-09-05 JP JP11404779A patent/JPS5537499A/ja active Granted
- 1979-09-05 DE DE7979301832T patent/DE2962452D1/de not_active Expired
- 1979-09-05 FI FI792761A patent/FI65224C/fi not_active IP Right Cessation
- 1979-09-05 CA CA335,064A patent/CA1103890A/en not_active Expired
- 1979-09-05 AU AU50585/79A patent/AU530867B2/en not_active Expired
- 1979-09-05 MX MX179177A patent/MX152099A/es unknown
- 1979-09-10 IL IL58206A patent/IL58206A/xx unknown
-
1980
- 1980-04-17 ES ES490663A patent/ES8102998A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA794685B (en) | 1980-09-24 |
| FI792761A7 (fi) | 1980-03-06 |
| NO152439C (no) | 1985-10-02 |
| EP0008947B1 (en) | 1982-04-07 |
| MX152099A (es) | 1985-05-29 |
| NO152439B (no) | 1985-06-24 |
| NO792852L (no) | 1980-03-06 |
| JPS5537499A (en) | 1980-03-15 |
| DK369279A (da) | 1980-03-06 |
| JPH0351665B2 (online.php) | 1991-08-07 |
| AU5058579A (en) | 1980-03-13 |
| ES490663A0 (es) | 1981-02-16 |
| IL58206A (en) | 1983-10-31 |
| FI65224B (fi) | 1983-12-30 |
| BR7905689A (pt) | 1980-05-13 |
| CA1103890A (en) | 1981-06-30 |
| ES483963A1 (es) | 1980-09-01 |
| EP0008947A1 (en) | 1980-03-19 |
| AU530867B2 (en) | 1983-08-04 |
| DE2962452D1 (en) | 1982-05-19 |
| ES8102998A1 (es) | 1981-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: UNITED STATES GYPSUM CO. |