GB727216A - Method of drying material in tunnel driers - Google Patents
Method of drying material in tunnel driersInfo
- Publication number
- GB727216A GB727216A GB19278/53A GB1927853A GB727216A GB 727216 A GB727216 A GB 727216A GB 19278/53 A GB19278/53 A GB 19278/53A GB 1927853 A GB1927853 A GB 1927853A GB 727216 A GB727216 A GB 727216A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- zone
- flaps
- heater
- zones
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
727,216. Drying systems. AEBI & CO. AKT.-GES., R. July 10, 1953 [June 6, 1953], No. 19278/53. Class 34 (2). In a method of drying in tunnel driers having a number of successive zones 2 and transverse air flow the dew point of the air in a preheating zone 1 is continuously adapted to the temperature of the articles being dried to prevent condensation thereon, an air current is produced and circulated in each zone of which air current part is drawn off and replaced by fresh air or circulating air and part is passed to the next zone, the direction of the air current is the same throughout the zones but is periodically reversed and the dried articles are cooled in a zone 3. The preheating zone 1 has a separate fan 12 and air heater 13 and the mixture of ambient air and moist air from the first zone is continuously modified by means of flaps 14, 15 controlled by a time switch (not shown). Each chamber of zones 2 has an independent air circulating installation including a fan 8, heater 10 and flaps 9a for placing the chamber in communication with a fresh air duct 9. The direction of circulation may be changed by reversal of flaps 6 and louvres 7 and the flap 9a and heater 10 may be controlled by hygrostats and thermostats. The cooling zone 3 has a fan 17 and the blowing direction may be reversed by reversal of flaps 18.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH727216X | 1953-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB727216A true GB727216A (en) | 1955-03-30 |
Family
ID=4532040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19278/53A Expired GB727216A (en) | 1953-06-06 | 1953-07-10 | Method of drying material in tunnel driers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB727216A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2361176A1 (en) * | 1976-08-09 | 1978-03-10 | United Technologies Corp | METHOD AND APPARATUS FOR DRYING LOST CASTING MOLDS |
| US4173079A (en) * | 1976-08-09 | 1979-11-06 | United Technologies Corporation | Method and apparatus for drying investment casting molds |
-
1953
- 1953-07-10 GB GB19278/53A patent/GB727216A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2361176A1 (en) * | 1976-08-09 | 1978-03-10 | United Technologies Corp | METHOD AND APPARATUS FOR DRYING LOST CASTING MOLDS |
| US4114285A (en) * | 1976-08-09 | 1978-09-19 | United Technologies Corporation | Method and apparatus for drying investment casting molds |
| US4173079A (en) * | 1976-08-09 | 1979-11-06 | United Technologies Corporation | Method and apparatus for drying investment casting molds |
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