GB1418935A - Process for drying moulded gypsum articles and apparatus therefor - Google Patents
Process for drying moulded gypsum articles and apparatus thereforInfo
- Publication number
- GB1418935A GB1418935A GB1284373A GB1284373A GB1418935A GB 1418935 A GB1418935 A GB 1418935A GB 1284373 A GB1284373 A GB 1284373A GB 1284373 A GB1284373 A GB 1284373A GB 1418935 A GB1418935 A GB 1418935A
- Authority
- GB
- United Kingdom
- Prior art keywords
- articles
- drying
- heating surfaces
- temperature
- heating
- 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.)
- Expired
Links
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)
Abstract
1418935 Drying moulded articles GIULINI GmbH Gebr 16 March 1973 [17 March 1972] 12843/73 Heading F4G A process for drying a moulded gypsum article 5 in sheet form comprises drying the article in contact with, or by radiant heat from, a heated surface held at a temperature of 50-170 C. The apparatus used by the process may have a number of heating surfaces 6 between which a number of articles 5 to be dried can be interposed, means for heating the surfaces, and means for moving the heating surfaces from one heat supply point to another or for moving articles after drying away from the heating surfaces. A conveyer may be provided for moving the articles away from the heating surfaces. At least two sets of heating surfaces may be provided so that the articles may be first subjected to heat at one temperature and then subjected to heat at a lower temperature. The heating surfaces may be planar. The temperature of the heated surface or surfaces may be 90 to 160 C., and may be continuously reduced or reduced stepwise during the drying process.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722212979 DE2212979A1 (en) | 1972-03-17 | 1972-03-17 | PROCESS FOR DRYING DAMP MOLDED BODIES, IN PARTICULAR MOLDED BODIES MADE OF PLASTER |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1418935A true GB1418935A (en) | 1975-12-24 |
Family
ID=5839242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1284373A Expired GB1418935A (en) | 1972-03-17 | 1973-03-16 | Process for drying moulded gypsum articles and apparatus therefor |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT329428B (en) |
| BE (1) | BE796450A (en) |
| CA (1) | CA1018742A (en) |
| CH (1) | CH552182A (en) |
| DE (1) | DE2212979A1 (en) |
| FR (1) | FR2177308A5 (en) |
| GB (1) | GB1418935A (en) |
| IE (1) | IE37470B1 (en) |
| IL (1) | IL41796A (en) |
| NL (1) | NL7303746A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2484899A1 (en) * | 1980-06-18 | 1981-12-24 | Saint Gobain Isover | METHOD AND DEVICE FOR REMOVING WATER EXCEEDING A MIXTURE OF PLASTER AND WATER, AND PRODUCTS OBTAINED |
| WO2023227246A1 (en) * | 2022-05-25 | 2023-11-30 | Knauf Gips Kg | Device and method for drying building boards |
-
1972
- 1972-03-17 DE DE19722212979 patent/DE2212979A1/en active Pending
-
1973
- 1973-01-26 AT AT66673*#A patent/AT329428B/en not_active IP Right Cessation
- 1973-02-13 CH CH203373A patent/CH552182A/en not_active IP Right Cessation
- 1973-03-08 BE BE128517A patent/BE796450A/en unknown
- 1973-03-13 IE IE407/73A patent/IE37470B1/en 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 GB GB1284373A patent/GB1418935A/en not_active Expired
- 1973-03-16 IL IL41796A patent/IL41796A/en unknown
- 1973-03-16 NL NL7303746A patent/NL7303746A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE37470B1 (en) | 1977-08-03 |
| IE37470L (en) | 1973-09-17 |
| FR2177308A5 (en) | 1973-11-02 |
| AT329428B (en) | 1976-05-10 |
| CA1018742A (en) | 1977-10-11 |
| CH552182A (en) | 1974-07-31 |
| IL41796A (en) | 1976-04-30 |
| IL41796A0 (en) | 1973-05-31 |
| NL7303746A (en) | 1973-09-19 |
| ATA66673A (en) | 1975-07-15 |
| BE796450A (en) | 1973-07-02 |
| DE2212979A1 (en) | 1973-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees | ||
| 728A | Order made restoring the patent (sect. 28/1977) |