Summary

The scraper type evaporator is a kind of evaporator with the new internationa structure. It uses centrifugal sliding groove rotator that may form film even with very small flow. The shoal materials in the liquid deposited on the surface of internal wall in evaporation section of the barrel will be quickly removed by movable scraper. Its evaporation capacity improves 40%-69% compared with scraper evaporator with fixed gap. It has the following properties and features:

High heat transfer coefficient, large evaporation capacity, evaporation intensity up to 200Kg/m2hr with high heat efficiency.
Short heating time, about 5s to 10s, operated under vacuum condition, more beneficial for heat-sensitive material, keeping the contents from decomposing and ensuring product quality.
Wide range of adapting viscosity change, can treat high-viscosity or low- viscosity matter, up to 0.1 million CP of viscosity of materials.
Can change rotating direction of scraper groove, and can adjust the evaporating time and materials potency of materials.
The internal wall of barrel in the evaporating section is finely bored and polished, thus its surface will not be coked or fouled.
Easy operated, easy adjusted its product index, can be automatically and success fully produced under sealing condition.
Low land occupancy, simple structure, easy maintenance.