DE2212979A1 - Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips - Google Patents
Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gipsInfo
- Publication number
- DE2212979A1 DE2212979A1 DE19722212979 DE2212979A DE2212979A1 DE 2212979 A1 DE2212979 A1 DE 2212979A1 DE 19722212979 DE19722212979 DE 19722212979 DE 2212979 A DE2212979 A DE 2212979A DE 2212979 A1 DE2212979 A1 DE 2212979A1
- Authority
- DE
- Germany
- Prior art keywords
- heating surfaces
- drying
- molded bodies
- temperature
- moldings
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000000465 moulding Methods 0.000 claims description 13
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 11
- 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 7
- 239000011507 gypsum plaster Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005192 partition Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ARLZGEXVMUDUQZ-UHFFFAOYSA-N O.O.[Ca] Chemical compound O.O.[Ca] ARLZGEXVMUDUQZ-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- JLFVIEQMRKMAIT-UHFFFAOYSA-N ac1l9mnz Chemical compound O.O.O JLFVIEQMRKMAIT-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
- F26B3/20—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722212979 DE2212979A1 (de) | 1972-03-17 | 1972-03-17 | Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips |
| AT66673*#A AT329428B (de) | 1972-03-17 | 1973-01-26 | Verfahren zur herstellung von gipskorpern |
| CH203373A CH552182A (de) | 1972-03-17 | 1973-02-13 | Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips. |
| BE128517A BE796450A (fr) | 1972-03-17 | 1973-03-08 | Procede pour le sechage de corps moules humides |
| IE407/73A IE37470B1 (en) | 1972-03-17 | 1973-03-13 | A process for drying moulded gypsum articles and apparatus therefor |
| FR7309073A FR2177308A5 (enExample) | 1972-03-17 | 1973-03-14 | |
| CA166,195A CA1018742A (en) | 1972-03-17 | 1973-03-15 | Method of drying wet moulded objects, particularly moulded gypsum objects |
| NL7303746A NL7303746A (enExample) | 1972-03-17 | 1973-03-16 | |
| IL41796A IL41796A (en) | 1972-03-17 | 1973-03-16 | A process for drying wet moulded articles |
| GB1284373A GB1418935A (en) | 1972-03-17 | 1973-03-16 | Process for drying moulded gypsum articles and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722212979 DE2212979A1 (de) | 1972-03-17 | 1972-03-17 | Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2212979A1 true DE2212979A1 (de) | 1973-09-27 |
Family
ID=5839242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722212979 Pending DE2212979A1 (de) | 1972-03-17 | 1972-03-17 | Verfahren zum trocknen von feuchten formkoerpern, insbesondere formkoerpern aus gips |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT329428B (enExample) |
| BE (1) | BE796450A (enExample) |
| CA (1) | CA1018742A (enExample) |
| CH (1) | CH552182A (enExample) |
| DE (1) | DE2212979A1 (enExample) |
| FR (1) | FR2177308A5 (enExample) |
| GB (1) | GB1418935A (enExample) |
| IE (1) | IE37470B1 (enExample) |
| IL (1) | IL41796A (enExample) |
| NL (1) | NL7303746A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484899A1 (fr) * | 1980-06-18 | 1981-12-24 | Saint Gobain Isover | Procede et dispositif d'elimination de l'eau excedentaire d'un melange de platre et d'eau, et produits obtenus |
| US20250172336A1 (en) * | 2022-05-25 | 2025-05-29 | Knauf Gips Kg | Device and Method for Drying Building Boards |
-
1972
- 1972-03-17 DE DE19722212979 patent/DE2212979A1/de active Pending
-
1973
- 1973-01-26 AT AT66673*#A patent/AT329428B/de not_active IP Right Cessation
- 1973-02-13 CH CH203373A patent/CH552182A/xx not_active IP Right Cessation
- 1973-03-08 BE BE128517A patent/BE796450A/xx unknown
- 1973-03-13 IE IE407/73A patent/IE37470B1/xx unknown
- 1973-03-14 FR FR7309073A patent/FR2177308A5/fr not_active Expired
- 1973-03-15 CA CA166,195A patent/CA1018742A/en not_active Expired
- 1973-03-16 IL IL41796A patent/IL41796A/en unknown
- 1973-03-16 NL NL7303746A patent/NL7303746A/xx unknown
- 1973-03-16 GB GB1284373A patent/GB1418935A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE796450A (fr) | 1973-07-02 |
| CA1018742A (en) | 1977-10-11 |
| IL41796A (en) | 1976-04-30 |
| CH552182A (de) | 1974-07-31 |
| IE37470B1 (en) | 1977-08-03 |
| ATA66673A (de) | 1975-07-15 |
| IL41796A0 (en) | 1973-05-31 |
| IE37470L (en) | 1973-09-17 |
| FR2177308A5 (enExample) | 1973-11-02 |
| AT329428B (de) | 1976-05-10 |
| GB1418935A (en) | 1975-12-24 |
| NL7303746A (enExample) | 1973-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |