DE251434C - - Google Patents
Info
- Publication number
- DE251434C DE251434C DENDAT251434D DE251434DA DE251434C DE 251434 C DE251434 C DE 251434C DE NDAT251434 D DENDAT251434 D DE NDAT251434D DE 251434D A DE251434D A DE 251434DA DE 251434 C DE251434 C DE 251434C
- Authority
- DE
- Germany
- Prior art keywords
- screw conveyor
- tube
- roasting
- oven
- axis
- 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
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
- 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 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 239000011507 gypsum plaster Substances 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000182341 Cubitermes group Species 0.000 description 1
- 230000000630 rising effect Effects 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
-
- 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
-
- 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
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE251434C true DE251434C (en, 2012) |
Family
ID=509877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT251434D Active DE251434C (en, 2012) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE251434C (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1181115B (de) * | 1957-01-03 | 1964-11-05 | Nat Gypsum Co | Vorrichtung zum ununterbrochenen Kalzinieren von feingemahlenem Gipsgestein |
-
0
- DE DENDAT251434D patent/DE251434C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1181115B (de) * | 1957-01-03 | 1964-11-05 | Nat Gypsum Co | Vorrichtung zum ununterbrochenen Kalzinieren von feingemahlenem Gipsgestein |
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