- Aloe Vera Powder Plant
- Coconut Milk Powder Plant
- Egg Powder Plant
- Fish Protein Hydrolysate Powder Plant
- Fruit Powder Plant
- Ice-Cream Mix Powder Plant
- Lactose Powder Plant
- Malt Powder Plant
- Microcrystalline Cellulose Powder Plant
- Non-Dairy Creamer Powder Plant
- Pectin Powder Plant
- Soy Milk Powder Plant
- Sugarcane Juice Powder Plant
- Tamarind Extract Powder Plant
- Zinc Sulphate Powder Plant
- Zero Liquid Discharge System
Agitated Thin Film Evaporator / Dryer (ATFE / ATFD)
Agitated thin film evaporators are attractive for the
concentration, distillation, stripping or deodorization of
liquids in broad variety of chemical-process-industries (CPI)
applications where the process streams are temperature sensitive
(and must have only brief exposure to heat), viscous, or tend to
foul or foam.
A vertical thin-film evaporator consists of two major
assemblies: a heated body and a close-clearance rotor. The
process fluid enters the unit tangentially above the heated
zone, and is distributed evenly over the inner surface of the
body wall by a distribution ring mounted on the rotor. The rotor
blades spread the product over the entire heated wall, and
generate highly turbulent flow conditions in the thin layer of
liquid. The product spirals down the wall, while the turbulent
conditions developed by the rotor blades generate optional heat
flux, rapidly evaporating volatile components. The resulting
vapours flow upward through the unit into a centrifugal
separator, which returns entrained droplets or froth directly
back to the heating zone. Clean vapours pass through the vapor
outlet ready for condensing or further processing. Meanwhile,
the concentrated liquid stream or dried powder leaves the
evaporator / Dryer through its bottom conical outlet. Continuous
washing by the bow waves generated by the rotor minimizes
surface fouling of the thermal wall, where the concentrated
liquid or residue is most prevalent.
Advantages and Features of RAYGM Agitated Thin Film Dryer
- Once step drying can eliminate number of steps like pre-concentration, filtration or centrifugation in some kind of slurries with same thermal efficiency.
- Feeds can be processed without pre-concentration or dilution; Drying or concentration cost is mot economical in case of recirculation of vapours through TVR / MVR.
- Indirect heating and drying in absence of air eliminates oxidation of products. Particularly effective for heat, light and oxygen sensitive products. Best suited for solvent bearing products for complete solvent recovery.
- Best suitable for heat sensitive products due to its quick processing time.
- Operation can be under vacuum and under low temperature to protect heat sensitive products properties.
- Thermal efficiency can exceed 90%, Probably the most energy efficient dryer in the market.
- Intense agitation suppresses fouling, keeps heat transfer surface clean for continuous heat transfer with almost same thermal efficiency.
- Excellent turn down capability
- Low product holdup, ideal for hazardous applications
- Different rotor configurations to suit variety of applications with varying properties.