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Large Scale Vacuum Freeze Dryer LLFD-B10

Large Scale Vacuum Freeze Dryer LLFD-B10

Large Scale Vacuum Freeze Dryer LLFD-B10 is vertical type, cylindrical compact structure. It offers manual and auto control mode, sensor calibration, intelligent temperature control, freeze drying termination reminding and other functions. The temperature ranges from -50℃ to +70℃ and offers 5+1 layers of shelf. Material used AISI 304 stainless steel, top and bottom plate thickness 5 mm. Features CFC Free refrigerant and PT-100 platinum resistance temperature sensor. Designed with refrigeration system, shelf, condenser, vacuum system and liquid circulation system. The heat is transferred to the inner space of the vacuum chamber and absorbed heat during sublimation efficiently. The product is dried completely and evenly.

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Drying Chamber
Freeze-drying area2.25 m2
Layers of shelf5 + 1
Temperature scope of shelf-50℃ to +70℃(no-load)
Shelf temperature error±1℃ (in balance)
Shelf spacing80 mm
Size of shelf500 mm × 900 mm
Min. Temperature of condenser≤-70℃ (no-load)
Water-capture capability>30Kg
Liquid material22 (Thickness: 10 mm)
DefrostingWater soaking
Final Vacuum degree≤ 5Pa
Style of coolingFan cooling
Shelf effective area2.25 m2
Shelf size500 mm × 900 mm
Shelf numbers5+1 Top shelf as temperature compensating plate
Material number plate10 pcs
Shelf spacing80 mm
Shelf materialAISI 304 stainless steel, Top and bottom plate thickness 5 mm
Condenser Design
Condenser ShapeVertical type, cylindrical Compact structure, better water capture ,easy to clean and defrosting
Condenser materialAISI 304 stainless steel
Coiling pipe materialAISI 304 stainless steel
Condenser water capture≥ 30 kg
Condenser Temperature Decreasing+20℃ to 40℃, within 30 minutes
Condenser Min. temp.≤ -70℃
DefrostingWater soaking
Thermal insulation materialPolyurethane foams
Refrigeration System
RefrigeratorFrance Imported full closure compressor
RefrigerantCFC Free refrigerant
Refrigerator number2 sets
Shelf refrigeration1 sets (shelf refrigeration at same time, indirect refrigeration)
Condenser refrigeration1 set (shelf refrigeration at same time, direct refrigeration)
Vacuum System
Double stage rotary vane pumpWorld famous brand
Quantity1 set
Vacuum gaugeReborn
Chamber pumping rateAtmosphere 10 Pa ≤30 minutes (in dry condition)
System Maximum vacuum≤ 5Pa
System leaking rate≤ 10 Pa·l / sec
Liquid Circulation System
LiquidLow viscosity silicon oil( 25˚C, 5cst )National qualified product
Liquid tubing materialAISI 304, welding, heat keeping
Circulation pumpWeb rotor canned pump, from internally famous brand
Circulation pump quantity1 set
Heating rate2 kW
Heating control styleSolid-state relay
Stainless steel plate heat exchangerWell-known brands
Temperature sensorPT-100 platinum resistance
Control style
Noise≤ 80 dB
Installation Power13.5 kW
Dimension1200 × 2100 × 1700 mm
Weight1200 kg
  • Designed with freeze drying area 2.25 m2
  • It has automatic and manual control
  • Offers vertical type, cylindrical compact structure
  • Roughness of inner wall is Ra ≤ 0.6 μm
  • Opening direction clockwise or anticlockwise
  • Material used AISI 304 stainless steel and door material ACRYLIC
  • Working temperature ranges from -50℃ to +70℃
  • Thermal insulation material used is Polyurethane foams
  • Equipped with PT-100 platinum resistance temperature sensor
  • Designed with refrigeration system, shelf, condenser, vacuum system and liquid circulation system
  • Adopts defrosting water soaking mode

Large Scale Vacuum Freeze Dryer is used in Bio-Pharma industry to freeze dry and store drug and medicinal product, materials, other biomaterials. Also used in food industry to freeze dry fruits and vegetables, fish and meat, Processed and raw food material to increase their shelf life and maintain quality.

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