DE273025C - - Google Patents
Info
- Publication number
- DE273025C DE273025C DENDAT273025D DE273025DA DE273025C DE 273025 C DE273025 C DE 273025C DE NDAT273025 D DENDAT273025 D DE NDAT273025D DE 273025D A DE273025D A DE 273025DA DE 273025 C DE273025 C DE 273025C
- Authority
- DE
- Germany
- Prior art keywords
- drum
- grinding
- gypsum
- plaster
- coarsely
- 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.)
- Active
Links
- 239000004575 stone Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 239000010440 gypsum Substances 0.000 claims description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 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 4
- 239000011507 gypsum plaster Substances 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000001105 regulatory Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 2
- 241000288906 Primates Species 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
- C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE273025C true DE273025C (fr) |
Family
ID=529521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT273025D Active DE273025C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE273025C (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE752149C (de) * | 1941-01-16 | 1950-10-03 | Kloeckner Humboldt Deutz Ag | Verfahren und Vorrichtung zum Brennen von Gips oder Dolomit |
| WO1987003508A1 (fr) * | 1985-12-04 | 1987-06-18 | Dieter Roddewig | Procede et dispositif de sechage et/ou de calcination de matieres pulverulentes |
-
0
- DE DENDAT273025D patent/DE273025C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE752149C (de) * | 1941-01-16 | 1950-10-03 | Kloeckner Humboldt Deutz Ag | Verfahren und Vorrichtung zum Brennen von Gips oder Dolomit |
| WO1987003508A1 (fr) * | 1985-12-04 | 1987-06-18 | Dieter Roddewig | Procede et dispositif de sechage et/ou de calcination de matieres pulverulentes |
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