YUHONG HOLDING GROUP CO., LTD
Heat Exchanger / Air Cooler / Pressure Vessel / Fired Heater
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Thin Film Evaporator, Chemical, Pharmaceutical, And Food Processing Application
Yuhong Group evaporators are used to separate the components of a process liquid based on volatility. The basic process involves applying heat to a liquid which causes it to evaporate, thereby leaving the less volatile substance behind. The more volatile, and now gaseous, substance is then condensed and collected at a separate location.
Traditionally, batch or continuous types of evaporators such as natural/forced circulation, falling and rising film, and climbing and falling plate evaporators have been used successfully with a range of process liquids. However, these evaporators have proven to be inefficient with high-boiling, viscous, fouling, and heat sensitive liquids.
The key to the efficiency of thin film evaporators is it's ability to evaporate the target solution at relatively low temperatures with minimum residence time in the evaporator. This is due to operating the evaporator under vacuum conditions and the high speed rotor creating a thin liquid film. The main component of the thin film evaporator consists of a rotor/wiper encased in a cylindrical heating jacket. The process can be broken up in several stages:
Yuhong Group is a well equipped complex having modern production facilities, professional computer-aided mechanical & thermal design programs, a dedicated workforce to carry out heat transfer projects in the following areas:
Petroleum, fiber, plastic, and chemical processing equipments
1. Food, feed, and agricultural processing equipments
2. Paper and pulp industry
3. Textile and dyeing industry
4. Timber, ply-wood, and furniture industry
5. Boiler, energy saving, and reclaiming equipments
Yuhong Group tech-Service is now in a position to continue giving our customers the excellent service, competitive price and top- notch heat transfer products that they come to expect.
The advantage of Thin Film Evaporator :
1. Significantly reduced residence time.
2. Fast and efficient heat transfer.
3. Reduced pressure drop.
4. Ability to process high viscosity and high solids materials.
5. Ability to process materials that are sensitive to thermal degradation or prone to fouling.
6. High evaporation ratios(>95%)
7. Easy to clean or maintain.