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Analysis of efficient operation principle of scraper film evaporator
- Jul 23, 2018 -

As a high-efficiency evaporation device, the scraper film evaporator can not only perform evaporation and distillation operations, but also perform unit operations such as deodorization, defoaming reaction, heating and cooling. The squeegee film evaporator is a one-pass type evaporator that uses an external force to form a film, and can form a film well even in a small flow rate.


In comparison, the evaporation of the scraper film evaporator can reach a very high level, and thus has attracted more and more users' attention. The device has a high heat transfer coefficient, a large evaporation capacity, and an evaporation strength of 200 kg/m2•hr. Moreover, during the evaporation process, the heating time of the material is very short, only takes 5 to 10 seconds, and working under vacuum conditions is more advantageous for the heat sensitive material.


Moreover, the scraper film evaporator can be processed for materials of different viscosity sizes. During the processing, the residence time of the material in the evaporator can be adjusted by changing the direction of rotation of the squeegee groove. Moreover, the scraper film evaporator device has a small footprint, a simple structure, convenient maintenance, and easy cleaning.