Double Effect Rising Film Evaporator operates on the principle of a siphon pump. According to the lift of the steam bubbles generated during the boiling process, the liquid and the steam flow in parallel while generating the amount of steam. Increased to form a flowing film on the tube wall, ie the liquid "crawls up". Parallel flow motion is ribbed to create a high degree of turbulence in the liquid.
The key to the normal operation of the Double Effect Rising Film Evaporator is to allow the liquid material to form a continuous liquid film on the tube wall. The structure of the rising film evaporator is actually a fixed tube-and-tube heat exchanger with a single tube vertical installation. The heating chamber of the rising film evaporator consists of one or more vertical tubes. The rising film evaporator and flasher are high efficiency evaporation devices that allow the evaporated solution