Briefly introduce the advantages of WFE thin film evaporator

Source：m.scgift.com.cn Release date： 2025-06-10

WFE thin film evaporator is an efficient liquid-liquid and liquid-solid separation device that achieves rapid heat transfer and separation by forming a thin film like flow of materials on the heating surface. Its core advantages are as follows:
1. High heat transfer efficiency and fast evaporation rate
Thin film flow: The material forms an ultra-thin liquid film of 0.1-2mm on the heating surface, reducing thermal resistance and achieving a heat transfer coefficient of 3-5 times that of traditional evaporators (approximately 800-1500 W/(m 2 · K)).
Short dwell time: The material stays in the equipment for only a few seconds to tens of seconds, suitable for heat sensitive materials (such as pharmaceuticals and food additives), to avoid high-temperature degradation.
2. Small evaporation temperature difference and low energy consumption
Vacuum environment adaptation: It can operate under high vacuum conditions (such as 0.1~10 mbar), reduce the boiling point of materials, and achieve low-temperature evaporation (such as evaporating high boiling point solvents at 50~80 ℃).
Energy saving feature: Under the same processing capacity, the energy consumption is 30%~50% lower than traditional evaporators, especially suitable for high viscosity and easily scaling materials.
3. Flexible processing ability and strong adaptability
Wide viscosity range: It can handle materials with a viscosity of up to 10000 cP (such as colloids, resins, and concentrates), and can be forcibly coated with a scraper or rotating film component to avoid blockage.
High concentration ratio: A single evaporation can achieve 5-20 times concentration (such as directly concentrating from a 5% concentration solution to a paste), reducing the need for multi-stage evaporation steps.
4. Compact structure, easy operation and maintenance
Small footprint: With a vertical design and modular structure, the footprint is only 1/3 to 1/2 of that of traditional evaporators for the same processing capacity.
Easy to clean and replace: detachable heating jacket and scraper components, supporting CIP (online cleaning), suitable for high hygiene requirements in the pharmaceutical and food industries.
5. Multi functional integration, stable product quality
High separation accuracy: It can achieve solvent recovery (such as ethanol, acetone), removal of low boiling substances (such as water), or concentration and purification (such as natural product extracts), with a fraction purity of over 95%.
Continuous production: supports continuous feeding and discharging, with a control system that can adjust temperature, vacuum degree, and scraping speed to ensure product consistency.
6. Typical application scenarios
Pharmaceutical and chemical industry: Concentration of thermosensitive drugs such as antibiotics, solvent recovery (such as DMF, THF).
Food and beverage: fruit juice concentration, plant essential oil extraction, high viscosity syrup preparation.
Chemical industry: resin monomer removal, lubricant light component removal, polymer material solvent removal.

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