GB1089872A - Improvements in and relating to film evaporators - Google Patents
Improvements in and relating to film evaporatorsInfo
- Publication number
- GB1089872A GB1089872A GB472764A GB472764A GB1089872A GB 1089872 A GB1089872 A GB 1089872A GB 472764 A GB472764 A GB 472764A GB 472764 A GB472764 A GB 472764A GB 1089872 A GB1089872 A GB 1089872A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- film
- assembly
- plates
- liquid
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
- B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
- B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
1,089,872. Evaporators, film-type. HEAD, WRIGHTSON & CO. Ltd. May 4, 1965 [Feb. 4, 1964], No. 4727/64. Heading BIB. In an evaporator suitable for viscous liquids, wherein some of the liquid vaporizes as it flows as a film down the inner surface of a vertical, externally-heated tube 40', part of the film is guided by scraper blades 44' from the surface of the tube onto the plates 42 of a rotor assembly 41 within the tube, and is then transferred back to the inner surface of the tube. The blades 44' are attached to backing plates 47 (Fig. 9) carried on the ends of swing- ing arms 48 pivotally mounted at 48 to the top and bottom plates of the assembly 41. The rotation of the assembly 41 causes the liquid to build up on plates 42, and slide back to the inner wall of the tube off brackets 43. Apparatus is also described wherein the film of liquid is transferred onto one or more cylindrical rolls instead of the polygonal assembly 41. These rolls may be hollow and heated or cooled. An embodiment is described in which the externally-heated tube is disposed horizontally.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2737467A GB1171410A (en) | 1967-06-14 | 1967-06-14 | Improvements in and relating to Film Evaporators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1089872A true GB1089872A (en) | 1967-11-08 |
Family
ID=10258573
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB472764A Expired GB1089872A (en) | 1967-06-14 | 1964-02-04 | Improvements in and relating to film evaporators |
GB2737467A Expired GB1171410A (en) | 1967-06-14 | 1967-06-14 | Improvements in and relating to Film Evaporators |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2737467A Expired GB1171410A (en) | 1967-06-14 | 1967-06-14 | Improvements in and relating to Film Evaporators |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1769606A1 (en) |
GB (2) | GB1089872A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2039823A5 (en) * | 1969-03-21 | 1971-01-15 | Luwa Ag |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1108941B (en) * | 1958-12-17 | 1961-06-15 | Ullstein Ges Mit Beschraenkter | Device for illuminating or illuminating objects with different colored light, especially for reproduction purposes |
AT372618B (en) * | 1977-07-13 | 1983-10-25 | Oesterr Forsch Seibersdorf | THICK LAYER TREATMENT |
CN111001174B (en) * | 2019-12-12 | 2021-12-31 | 济宁市邦达煤化工有限公司 | Scraper evaporator |
-
1964
- 1964-02-04 GB GB472764A patent/GB1089872A/en not_active Expired
-
1967
- 1967-06-14 GB GB2737467A patent/GB1171410A/en not_active Expired
-
1968
- 1968-06-14 DE DE19681769606 patent/DE1769606A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2039823A5 (en) * | 1969-03-21 | 1971-01-15 | Luwa Ag |
Also Published As
Publication number | Publication date |
---|---|
GB1171410A (en) | 1969-11-19 |
DE1769606A1 (en) | 1971-07-01 |
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