Screw-type Evaporator

Screw Evaporator

Product Overview

Screw blade film evaporators are a type of evaporation and distillation equipment that uses high-speed rotation to distribute liquids into a uniform film for evaporation or distillation. They can also be used for deodorization, de-foaming reactions, and unit operations such as heating and cooling, and are suitable for industries including food, light industry, petroleum, and chemical engineering.

Performance and Features

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

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, benefiting heat-sensitive materials. Ensures no decomposition of various components, guaranteeing product quality.

3. Wide range of viscosity adaptability, 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 cylinder has been precision bored and polished, making the surface less prone to coking and scaling.

6. Easy to operate, with simple product parameter adjustments. Under sealed conditions, it can automatically conduct continuous production.

7. The equipment has a small footprint, a simple structure, easy maintenance, and is easy to clean.

Technical Specifications