Small freeze drying equipment is designed for laboratory-scale, pilot production, or small-batch industrial applications. Manufactured by Shenyang Aerospace Xinyang Quick-Frozen Equipment Manufacturing Co., Ltd., these compact systems integrate high-efficiency vacuum technology, precise temperature control, and advanced automation to deliver premium-quality freeze-dried products even at a smaller scale.
Freeze drying, or lyophilization, removes moisture from frozen materials by sublimation under vacuum, allowing products to retain their natural shape, color, texture, aroma, and nutrients. Small Freeze Dryers are perfect for R&D laboratories, small food processors, herbal and nutritional product manufacturers testing new formulations or producing limited quantities.
Compact design: Saves floor space while maintaining high performance
Radiant heating plates or shelf heating system: Ensures uniform drying across trays
Integrated vacuum system: Provides stable and precise low-pressure conditions for sublimation
Cold trap/condenser: Captures water vapor efficiently to maintain vacuum and energy efficiency
Automated control system: PLC or microcontroller-based operation for temperature, pressure, and cycle management
Tray capacity: Suitable for small-scale batch production, with easy loading and unloading
Small Freeze Dryers offer flexibility, reliability, and easy maintenance, making them ideal for small businesses, pilot plants, and quality testing environments.
Small Freeze-drying equipment is widely used for:
Food industry: Freeze-dried fruits (strawberries, blueberries, apples), vegetables (peas, carrots, mushrooms)
Herbal and medicinal products: Ginseng, goji berries, plant extracts
Nutraceuticals and dietary supplements: Protein powders, vitamins, functional foods
Pet food and snacks: Limited production batches for premium products
Laboratory and research purposes: R&D of new products and process optimization
Products retain excellent rehydration, flavor, and nutrient content, making them suitable for premium retail, small-scale export, or experimental production.
Preparation of Raw Materials
Clean, cut, and pre-treat products according to specifications.
Tray Loading and Freezing
Place products evenly on trays and freeze at –25°C or below in a cold storage or freezing tunnel.
Vacuum Freeze Drying
Load frozen trays into the drying chamber. The vacuum system reduces pressure, while the heating system sublimates ice into vapor. The cold trap captures water vapor to maintain vacuum.
Completion and Packaging
Introduce sterile air or nitrogen to normalize chamber pressure. Remove dried products, inspect, and package. Clean trays for the next cycle.
Compact and Space-Saving: Ideal for laboratories, pilot plants, or small-batch production
Energy Efficient: Advanced heating and condensation system minimizes energy consumption
Uniform Drying: Consistent product quality due to precise heat and vacuum control
Preserves Nutrients: Maintains color, flavor, structure, and nutrition
Easy Operation: Automated controls and minimal maintenance required
Versatile: Handles fruits, vegetables, herbs, supplements, and other sensitive products
Small freeze-drying equipment offers a reliable, compact, and efficient solution for producers requiring pilot-scale or small-batch production. By combining precision vacuum control, uniform heating, and advanced automation, these systems deliver high-quality freeze-dried products with long shelf life, excellent rehydration, and nutrient preservation.
Ideal for food, herbal, nutraceutical, and laboratory applications, small freeze dryers provide the flexibility and performance needed to innovate and produce premium products for both domestic and international markets.
Small freeze drying equipment: Compact Industrial Lyophilizers
Small freeze drying equipment, also known as compact lyophilizers, is designed for laboratory, pilot-scale, and small industrial production. These systems use vacuum-assisted sublimation to remove water from frozen products while preserving nutrients, flavor, and structural integrity.
Small Freeze Dryers are widely used in food, pharmaceutical, and biotechnology industries where batch sizes are moderate, and flexibility, precision, and cost-efficiency are critical.
Compact Design: Optimized for limited floor space without compromising drying performance.
Vacuum Sublimation Technology: Ensures moisture removal without structural damage to products.
Stainless Steel Drying Chamber: Hygienic and corrosion-resistant for long-term operation.
Radiant Heating Shelves: Provide even heat distribution for consistent drying.
Ice Condenser (Cold Trap): Efficiently captures sublimated water vapor at low temperatures.
Automated or Semi-Automated Control: Ensures precise monitoring of temperature, vacuum, and drying cycles.
Flexible Batch Sizes: Ideal for laboratory, R&D, pilot production, and small-scale industrial operations.
Small freeze dryers operate through four main stages:
Clean, cut, or portion raw materials.
Evenly spread products on trays for uniform freezing and drying.
Materials are frozen at –30°C to –45°C, forming ice crystals that facilitate sublimation.
Chamber vacuum removes air and lowers pressure.
Heat is applied to shelves, causing ice in the product to sublimate into water vapor.
Vapor is captured by the ice condenser, maintaining vacuum and preventing condensation inside the chamber.
Slightly increase shelf temperature while maintaining vacuum to remove bound moisture.
Final moisture content is typically below 5%, providing long shelf life.
Drying Chamber: Stainless steel chamber with radiant heating shelves.
Ice Condenser (Cold Trap): Captures sublimated vapor at low temperatures.
Vacuum System: Maintains low-pressure conditions for efficient sublimation.
Heating System: Radiant shelves with precise temperature control.
Control System: PLC or semi-automatic control to monitor temperature, vacuum, and cycle time.
Tray and Material Handling: Aluminum or stainless-steel trays for easy loading/unloading.
High Product Quality: Preserves color, texture, flavor, and nutrients.
Energy Efficiency: Optimized heating and refrigeration systems reduce operational costs.
Compact and Flexible: Fits small production facilities or laboratories.
Precise Control: Temperature, vacuum, and cycle parameters are easily adjustable.
Versatile Applications: Suitable for food, pharmaceuticals, biological samples, and herbs.
Hygienic Design: Stainless steel construction for easy cleaning and durability.
Freeze-dried fruits: strawberry, blueberry, mango
Freeze-dried vegetables: peas, carrots, corn
Seafood, meat, and ready-to-eat meals
Coffee, tea, and instant beverage powders
Vaccines and injectable drugs
Biological samples and enzymes
Antibiotics and lab reagents
Microbial cultures
Probiotics
Laboratory research samples
Herbs, medicinal plants, and specialty crops
Energy-efficient compact freeze dryers with optimized refrigeration and heating.
Automated PLC or semi-automated controls for precise drying cycles.
Small-scale modular systems for flexible batch sizes.
Integration with pilot production and R&D facilities for testing new products.
Small freeze drying equipment provides a compact, efficient, and flexible solution for laboratories, pilot plants, and small industrial operations. It ensures high-quality preservation, extended shelf life, and reliable performance across food, pharmaceutical, and biotechnology industries.
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