SFD Organic Chemical Dryer Working Principle
SFD series spin flash dryer is a continuous flash drying processor with crushing device, it has been extensively used for drying damp and sticky filter cake and paste materials in chemical and food industry.
Wet material is fed into the drying chamber via screw feeder and drop onto a high speed rotating crushing device which will completely crush and disperse the wet bumps into fine particles. Meanwhile, heated and filtered hot air is blown swirly into the drying chamber from the bottom to form a strong swirl air flow. This strong air flow transports the fine particles through the cylindrical drying chamber, during which heat transfer happens and moisture evaporates. Dried product is separated and collected by cyclone and/or bag filters. Damp air is exhausted by the fan.
SFD Organic Chemical Dryer Features
1. SFD rotating flash drying machine is equipped with a special cooling device at the bottom, thus avoiding material deterioration due to high temperature.
2. Wind distribution device can reduce the resistance to drying equipment and provide air volume for the dryer.
3. This rotary flash dryer uses particular pressurized sealing device and bearing cooling device to effectively prolong the service life of the drive part.
4. Material fineness and final moisture content can be adjustable.
5. Short staying time of material can prevent the material from sticking to the wall and the thermosensitive material from deteriorating.
SFD Organic Chemical Dryer Application
SFD rotating flash drying machine is applicable to dry viscous, thixotropic, thermosensitive powdery and granular materials in the dyes, pigment, chemical, ceramics, food and pharmaceutical industry. The appropriate materials can be dried by this drying equipment include:
1. Inorganic materials: boric acid, calcium carbonate, hydroxide, copper sulfate, ferric oxide, barium carbonate, antimony trioxide, metal hydroxide, heavy metallic salt and compound cryolite.
2. Organic materials: atrazine, lauric acid, benzoic acid, sodium oxalate, cellulose acetate
3. Ceramics: kaolin, silica and calay
4. Dyes: anthraquinone, black iron oxide, butyrate, titanium hydroxide, zinc sulfide, azo dyes
5. Food: soy protein, gelatinized starch, vinasse, triticin, wheat starch
6. Pharmaceuticals: analgin (The first domestic application of flash dryer)
