Industrial Multi-Effect Falling Film Evaporator For Production Line

Short Description:

Falling film evaporation is to add the material liquid from the upper tube box of the heating chamber of the falling film evaporator, and distribute it evenly into the heat exchange tubes through the liquid distribution and film forming device. Under the action of gravity, vacuum induction and air flow, it becomes a uniform film. Flow from top to bottom. During the flow process, it is heated and vaporized by the heating medium in the shell side. The generated steam and liquid phase enter the separation chamber of the evaporator. After the vapor and liquid are fully separated, the steam enters the condenser for condensation (single-effect operation) or enters the next-effect evaporator as The medium is heated to achieve multi-effect operation, and the liquid phase is discharged from the separation chamber.

Product Detail

Product Tags

Falling Film Evaporator

Special used for juice, milk and other low viscosity product. Separate different substances of the product by filtering. Use separatin membrance as separation barrier to separating and purity, continuous operation.

1.Material: SUS304;

2.Full-closed process, fast and low temperature evaporation;
3.Heating fast with high efficiency and not easy to produce deposit on the machine's inside wall;
4.Large scale of the concentrate rations the products between the different effects can recycle separately, so the concentrate ratio can be regulated in large scale;
5.The machine attach with spraying ball and self CIP system.
6.High effecient , save energy
7.High quality
8.Best service

M3's falling film evaporators are specially designed to obtain high quality concentrated juice, whey, pharmaceutical liquids and other heat sensitive materials. The evaporator operates under vacuum and low temperature, which is the key factor in maintaining the organoleptic properties of the processed products. The multiple effects design allows energy savings thus reducing operating costs.
In falling film evaporators, liquid and vapors flow downwards in parallel flow. The liquid to be concentrated is preheated to boiling temperature. An even thin film enters the heating tubes via a distribution device in the head of the evaporator, flows downward at boiling temperature, and is partially evaporated. This gravity-induced downward movement is increasingly augmented by the co-current vapor flow.


1. Adjustable and controllable direct contact heat treatment units.
2. Shortest possible residence time, presence of a thin film along the entire length of the tubes reduces holdup and residence time.
3. Special design of liquid distribution systems to ensure correct tube coverage. The feed enters at the top of the calandria where a distributor ensures film formation on the inside surface of each tube.
4. The vapor flow is co-current to the liquid and the vapor drag improves the heat transfer. The vapor and the remaining liquid are separated in a cyclone separator.
5. Efficient design of separators.
6. Multiple effect arrangement provides steam economy.

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