♦ Integration of dehumidification, drying and conveying functions
♦ Dehumidification, drying and conveying integrated unit are equipped with honeycomb rotor for getting low dew-point dry air with good stability. Cut-off valve in semi-open and fully-enclosed feed system are equipped to assure no remnants materials left in material pipe.
♦ Equipped with micro computer and photosensor hopper for optical machine for micro powder cleaning, avoiding spot in optical products.
♦ Stainless steel mirror polishing of all material contact surface and closed loop feeding system to avoid the material get contaminate or damp
♦ High-performance filter to filter dusts down to 0.3um and the filtration rate can reach 99.995%;
♦ Bottom blowpipe design of material barrel with cyclone exhaust device for thermal drying barrel, to keep temperature and improvedrying efficiency;
♦ Double cooler structure to assure lower return air and dew-point.
The main body of honeycomb rotor is formed by ceramic honeycomb which is made from ceramic
fiber and organic addictive. Molecular sieve and silicone as basic material are crystallized and sintered
at high temperature for hard surface and tightly attached to the internal wall of honeycomb. Therefore,
it would not generate silt as barrel packaged or turntable molecular sieve to contaminate the plastic.
The honeycomb rotor can be used permanently and can be washed, while the ordinary molecular sieve
must be usually replaced for its easily getting saturate and aging. The water of moisture return air will be
quickly absorbed by molecular sieve when it across innumerable ostioles of the honeycomb rotor,
Therefore ,the air is completely dehumidified and reaches a very low dew-point. Regenerating and
dehumidifying happen simultaneously and follow the similar principle, except that their regeneration
air flows in the opposite direction.
Dehumidification and drying: The hot and humid air from drying material barrel is blown into honeycomb rotor
after cooling. The water in air is absorbed by rotor and then desorbed by the regeneration heating air. The two
airflows workon the rotor at the same time, and as the rotor rotates, the water in air can be absorbed and desorbed continuously. Thus,a stable low dew-point air is formed and then blown into the drying barrel after heated to the
drying temperature of plastic, forming a closed loop to dry material.
Material suction: material suction is to suck material from material barrel or other material container into drying
material barrel. The motor starts to run when the magnetic reed switch of the vacuum hopper detects no material,
generatingvacuum in vacuum hopper, and then the material in material barrel will be sucked into vacuum hopper
because of the pressure difference of air. The motor stops working after sucking and the material will drop into
drying barrel. At last the dried material will be sucked into SVH hopper or other hopper which is set in plastic
moulding machine.
DRYING CAPACITY
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