scraped film evaporator

Scraper thin film evaporator: Product overview and features: The scraper thin film evaporator is a high-efficiency evaporation and distillation equipment that uses a high-speed rotating scraper to distribute liquid into a uniform thin film for evaporation or distillation. It can also be used for deodorization and deaeration. Reaction, heating, cooling and other unit operations can be widely used in Chinese and Western pharmaceutical, food, light industry, petroleum, chemical, environmental protection and other industries. Scraper forms include centrifugal scrapers, articulated scrapers, fixed scrapers, etc. It is characterized by small vacuum pressure drop, low operating temperature, short heating time, high evaporation intensity and large operating flexibility.
Working principle: It mainly consists of a heating jacket and a scraper. Heating steam is passed through the jacket. The scraper is mounted on a rotatable shaft. There is a small gap between the scraper and the inner wall of the heating jacket, usually. ~.. After preheating, the feed liquid is added in the tangential direction from the upper part of the evaporator. Under the action of gravity and the rotating scraper, it is distributed on the inner wall to form a down-spin film, and is continuously evaporated and concentrated during the descent. The finished liquid is discharged from the bottom. Secondary steam escapes from the top.