Screw Blade Film Evaporator

Product Overview

Screw blade thin-film evaporators utilize high-speed rotation to distribute liquids into a uniform film for evaporation or distillation. They can also perform deodorization, degassing reactions, as well as heating and cooling unit operations. These are suitable for industries such as food, light industry, petrochemicals, and chemicals.

Performance and Features

This equipment features a centrifugal sliding groove rotor, which can still form a film even at low flow rates. The sediment in the treatment liquid adhering to the inner wall surface of the drum's evaporative section can be quickly removed by the movable scraper. Compared to a scraper evaporator with fixed gaps, the evaporation rate can be increased by 40-69%. It possesses the following performance and characteristics:

1. High thermal conductivity, large evaporation capacity, with evaporation intensity up to 200KG/M2·HR, and high thermal efficiency.

2. Short material heating time, approximately 5 to 10 seconds, and operates under vacuum conditions, benefiting heat-sensitive materials. Ensures no decomposition of various components, guaranteeing product quality.

3. Wide adaptability to viscosity range, capable of handling both high and low viscosity materials. Material viscosity can reach up to 100,000 centipoise (CP).

4. Changing the scraper groove rotation direction can adjust the material's residence time in the evaporator.

5. The inner wall of the evaporator tube body is precision bored and polished, making the surface less prone to scaling and fouling.

6. User-friendly operation, easy to adjust product specifications; can perform continuous production under sealed conditions.

7. The equipment occupies a small footprint, features a simple structure, is easy to maintain, and clean.

Technical Specifications