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Help CenterXiandao HG Drum Dryer - China Drying Machine Supplier
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Descriptions
Drum dryer is a kind of rotating continuous drying equipment with internal heating conducting-style. Certain thickness of materials film attach to the drum from material liquid vessel under the drum. Heat is transferred to the internal wall of the cylinder through pipes and then to the external wall and to materials film, to evaporate the moisture in materials film so as to dry materials. Dried products are then scraped off by the blade fitted on the surface of the cylinder, fall down to the spiral conveyor under the blade, and are conveyed, collected and packed.
Features
1.High
heat efficiency. The principle of heat transfer of the cylinder dryer is heat
conduction and the conducting direction keeps identical in the whole operation
circle. Except heat loss of end cover and radiation loss, all heat can be used
for evaporation of wet materials on the wall the cylinder. The efficiency can reach
70-80%.
2.Large operation elasticity and wide application. Various drying factors of
the dryer can be adjusted, such as concentration of feeding liquid/thickness of
material film, temperature of heating medium, rotating speed of the drum etc.
which can change drying speed of the under dryer. As these factors have no
interrelations each other, it brings great convenience to dry operation and
makes it applicable to dry various materials and to meet different requirements
of production.
3.Short drying period. The drying period of materials is normally 10 to 300
seconds, so it is suitable for heat-sensitive materials. It also can be
pressure reducing operated if it is put in vacuum vessel.
4.Fast drying rate. As film of materials coated on the wall of the cylinder is
very thin. Normal, thickness is 0.3 to 1.5mm, plus directions of heat and mass
transmitting are identical, the evaporation strength on the surface of the film
can be 20-70 kg.H2O/m2.h.
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