Spinning Cone Centrifugal Thin Film Vacuum Evaporator “EVAPOR"

Okawara Mfg. Co., Ltd
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Designed to Impress

Spinning Cone Centrifugal Flow Thin Film Vacuum Evaporator “Evapor” consists of a cantilevered conical rotor horizontally set in the process chamber and peripheral components resulting in a unique equipment. Since released this equipment has had several updates and has becoming one of our best-selling equipment for the last 10 years.

How it Works

The material to be concentrated is pumped into the equipment through a feed tube, ≈200G centrifugal force created by the spinning cone spreads the product over the entire heating surface in a very thin layer (approximately 0.1 mm), then it is collected at the outer edge of the spinning cone through the stationary paring tube and pumped out of the equipment. Additionally, its centrifugal design means that “Evapor” can achieve higher concentration level than other types of evaporators.

Gentle evaporation under vacuum, reducing the material’s boiling point permitting evaporation to be done at lower temperatures (from 35oC) and extremely short product residence time on the heating surface (<1 second for any model) guarantee a high quality concentrated product.

More than 600 "EVAPOR" units have been delivered worldwide for a wide variety of applications in industries such as the pharmaceutical, nutraceuticals, food and beverages, functional and health foods, fine chemicals, juices, dealcoholization of beverages, extract concentration, coffee, tea, biochemical industry, solvent recovery (explosion-proof model only), among others.

Main Fearures:

a) SUITABILITY FOR HEAT SENSITIVE PRODUCTS, HIGH VISCOUS PRODUCTS AND PRODUCTS WITH FOAMING CHARACTERISTICS

Best end product quality due to low temperature evaporation under vacuum, very thin and homogenous

film liquid (less than 0.1mm) formed by centrifugal force (over 200G) of high-speed spinning rotor cone

and extremely short residence time (less than 1 second).

b) CAPACITY TO ACHIEVE HIGH CONCENTRATIONS IN A SINGLE PASS OR RECIRCULATION OPERATION

c) CAPACITY TO HANDLE MORE VISCOUS PRODUCTS THAN MOST EVAPORATORS IN THE MARKET

<20,000 mPa-s/ <20,000 cP

d) FOAMING IS MINIMIZED BY CENTRIFUGAL FORCE

e) HYGIENIC SYSTEM DESIGN WITH EASY HEAT TRANSFER SURFACE CLEANABILITY

Evaporation surface can be monitored during operation through the sight glasses and the rotor housing can be easily opened for cleaning and inspection.

f) QUICK START-UP AND EASY SWITCH-OVER FROM OPERATION TO CLEANING

Speedy and uncomplicated change of feed products

g) MINIMAL FLOOR SPACE REQUIRED THANKS TO ITS COMPACT AND PRACTICAL DESIGN

h) LOW TO MEDIUM EVAPORATION RATES (30 to 1,200kg/hour pure water evaporation)

i) TRANSPORTABLE, PRE-ASSEMBLED UNIT MODELS WITH PUMPS (VACUUM, FEED, DISCHARGE, ETC.), ALONG WITH CONDENSER AND CONTROL PANEL CREATE AN EFFICIENT SYSTEM AS WELL AS SIMPLIFIES AND SPEEDS UP INSTALLATION PROCESS.

Pilot-plant test facilities available in Japan, Europe and China.

Please do not hesitate to contact us today for more information.

"Evapor" model CEP-30S - easy housing open in order to facilitate inspection and cleaning
"Evapor" model CEP-30S - easy housing open in order to facilitate inspection and cleaning

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