"Optical" Compact Dryers combine the functions of dehumidifying, drying and two-stage conveying into one single unit, specified for the production of "optical grade" products, such as Lenses, LCD panel, compact discs, etc. They feature honeycomb rotor for dehumidifying, ensuring continuous and constant low dew point. All material contact surfaces are made of stainless steel (Mirror polished) and high efficiency particulate air filter (HEPA) with a filtration efficiency of 99.97% can ensure no material contamination.

Features

  • Equipped with honeycomb-rotor for dehumidifying, ensuring continuous and constant supply of low dew-point air.
  • Suitable for all applications of optical.
  • Integration of dehumidifying, drying and two-stage conveying as standard with three-stage conveying as an option.
  • Units processing is controlled via microprocessor as standard with touch screen PLC control as an option for centralized and automatic operation.
  • Optional dew-point indicator.
  • Insulated drying hopper with air down-blowing and cyclone exhaust design to ensure a constant temperature and improved drying efficiency.
  • All material contact surfaces are polished with close loop conveying to prevent material contamination and moisture absorption.
  • Pnuematic shut-off valve to ensure low return air temperature and low dew-point.
  • Cyclone dust separator can be attached to prevent material contamination on requirement.
  • Air intake filter is optional for preventing atmosphere air particulate from entering to the material.
  • High efficiency particulate (HEPA) air filter with filtration efficiency 99.97% can remove fine particulates as small as 0.3μm.

Working Principle Illustration :



Dew Point Comparision :

Dew-point (°C) Relative humidity (%) Moisture Content
PPM %
+20 100 23.072 2.307
+10 52.50 12.117 1.212
0 26.10 6.027 0.603
-10 11.20 2.574 0.257
-20 4.40 1.025 0.103
-30 1.60 378 0.038
-40 0.60 128 0.013
-50 0.20 39 0.004




Dust Eliminating Hopper

For application in "optical grade" products, the specially designed vacuum port of this unit creates air circulation when loading material to get rid of fine particulate powder in material line.

Cyclone Dust Separator

Cyclone dust separator is used to keep air in conveying line clean and to reduce filter cleaning frequency.


Operator panel for standard control

Illustrations for optional touch screen

Optional Features

  • Under ideal conditions, models H5 can supply dehumidifying dry air with a dew point -50°C.
  • Three-stage conveying fuctions to serve two moulding machines.
  • LCD touch screen PLC controller.
  • Dew-point monitor to monitor and display the dry air dew-point.
  • Cyclone dust separator.
  • Air inlet filter.
Specifications :

Model (Optical grade) SCD-20U/30H-OP SCD-40U/30H-OP SCD-80U/50H-OP SCD-120U/80H-OP
Drying System
Drying Hopper Capacity (L) 20 40 80 120
Process Heater Power (kW) 3 3 3.9 6
Process Blower Power (kW) 0.2 0.2 0.4 0.75
Dehumidifying System
Dry Air Capacity (m3/hr) 30 30 50 80
Regen. Heater Power (kW) 3 3 3 3.5
Regen. Blower Power (kW) 0.2 0.2 0.2 0.2
Conveying System
Conveying Blower Power (kW) 0.75 0.75 0.75 0.75
Dia. of Conveying Hose (inch) 1.5 1.5 1.5 1.5
SHR-U-E Hopper Receiver (L) 3 3 6 6
SHR-U Hopper Receiver (L) 6 6 6 6
Dimensions
H (mm) 1400 1500 1650 1650
W (mm) 890 890 958 958
D (mm) 1050 1050 1240 1240
Weight (kg) 235 280 328 385

We reserve the right to change specifications without prior notice.

Outline Drawing
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