evaporated to a continuous frozen vapor condenser. After 20-30 hours, the food material is dried, the water is moved to vapor
condenser of the freeze dryer.
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The main technical parameters of the equipment | ||
Project | Parameter | |
Model: | GFD-1m²,3m²,5m²,10m²,30m², | |
Quantity: | 1 set | |
Effective drying surface area: | 5m² | |
Heating method: | Steam, radiant heating | |
Cold trap form: | One-time catching and flushing | |
Maximum processing volume per batch: | 3m³/tank/time | |
Conditions of use | ||
Project | Parameter | |
Working temperature of heating plate | Room temperature~120ºC | |
Cold trap refrigerant evaporation temperature | -30ºC~-45ºC | |
Working pressure of tank | 20Pa~133Pa | |
Operating parameters | ||
Vacuum reaches 10Pa~133Pa (no load) | 15~30min | |
Single tank static vacuum degree (pressure) | 15Pa | |
Maximum water capacity of single tank cold trap (calculated on ice) | 10kg/h | |
Income index | ||
Standard loading amount | 5-10kg/batch | |
Maximum loading | 5-10kg/batch | |
Drying time (the water content is related to the material) | 2-7 hours | |
Medium requirements | ||
Refrigerant (closed cycle) | R404A | |
Heating medium in heating system (closed loop) | Distilled or deionized water | |
Air cooler defrosting water (inlet water temperature ≤40ºC, circulating) | Softened water or tap water (circulation) | |
Cooling water (inlet water temperature ≤32ºC, circulating) | Softened water or tap water (circulation) | |
Washing water for drying tank, material truck and material pan | Softened water or tap water | |



















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