This is basically a conduction dryer. Wet feed (in liquid or paste form) is fed in nip between the two drums and is applied on the outer surface of both the rotating metal cylinders. Steam at required pressure is admitted into the individual drums via rotary joints for heating. Material film dries to the final moisture level and is scrapped off.
Features
Suitable for handling wet feeds in the form of wet powder / wet cake/ paste having primarily surface moisture.
Very uniform drying of all solids due to excellent dispersion in the stream of the drying air.
The product is typically in uniform powder form.
Due to exceedingly short drying time heat sensitive materials can be handled.
High thermal efficiency.
Continuous operation
Compact installation
Typical Applications:
Acid Voilet.
Magnesium Carbonate.
Sodium Salt of BDSA.
Yeast.
Sodium Sulphate.
ETP Sludge generated in chemical / Pharmaceutical Industries.
ETP Sludge generated in molasses based distillery / yeast industries.
Sulphur Black.
Homogenised Milk.
Baby Food.
Zirconium Hydroxide.
Fatty / Condensed Milk.
Fruit Concentrates.
Brewer’s yeast, distiller’s yeast, baker’s yeast, microbial cell and related products.
Industrial waste water (distilleries, breweries, bio-ethanol, bakers yeast, pharmaceutical, chemicals and others) to achieve Zero Liquid Discharge (ZLD).
Slurry or solution of organic and inorganic materials.