The LG-240 Freeze-Drying Equipment is a high-capacity industrial Freeze Dryer designed for large-scale food, herbal, and pharmaceutical production. Developed by Shenyang Aerospace Xinyang Quick-Frozen Equipment Manufacturing Co., Ltd., this system integrates advanced aerospace-inspired technology, high-efficiency vacuum systems, and precise thermal control to produce premium freeze-dried products at industrial scale.
Freeze drying, or lyophilization, removes moisture from frozen products by sublimation under vacuum, preserving their natural shape, color, texture, flavor, and nutrients. The LG-240 is ideal for high-volume production facilities, contract manufacturers, and export-oriented food and nutraceutical companies.
Drying chamber model: LG-240
Nominal drying area: 240 m² per chamber
Number of drying chambers: 2 (2×LG-240 configuration available)
Heating method: Radiant aluminum alloy plates
Heating temperature range: Ambient to 120°C
Cold trap temperature: –30°C to –40°C
Operating vacuum pressure: 30–133 Pa
Tray dimensions: 687×568×35 mm, high thermal conductivity aluminum trays
Vacuum pumping time: 15–20 minutes from atmospheric pressure to 1 Torr
Typical drying cycle: 12–24 hours depending on product type
Integrated control system: PLC and PC-based automation for precise temperature and vacuum monitoring
The LG-240 ensures uniform heating, rapid sublimation, and high water vapor capture efficiency, delivering consistently high-quality freeze-dried products.
The LG-240 freeze dryer is used in large-scale industrial applications:
Fruits: strawberries, blueberries, apples, mangoes
Vegetables: peas, mushrooms, carrots, corn
Herbal and medicinal products: ginseng, goji berries, plant extracts
Nutritional powders and supplements: protein powders, vitamins, functional foods
Ready-to-eat meals and snacks
Pet food production
Products retain excellent rehydration, natural flavor, texture, and nutrients, making them ideal for export, premium retail, emergency rations, and long-term storage applications.
Material Preparation
Clean, cut, and pre-treat raw materials to ensure uniform freezing and drying.
Tray Loading and Freezing
Place products on trays and freeze them to below –25°C in a freezing tunnel or cold storage.
Vacuum Freeze Drying
Load frozen trays into the drying chambers. The vacuum system reduces chamber pressure, while radiant heating plates sublimates ice into vapor. The cold traps capture water vapor, maintaining vacuum and preventing condensation on the product.
Completion and Packaging
Introduce sterile air or nitrogen to normalize chamber pressure. Remove dried products, inspect, and package. Clean trays and prepare for the next production cycle.
High-Capacity Production: Large drying area allows maximum throughput
Uniform Drying: Radiant heating plates ensure consistent quality across all trays
Advanced Vacuum Control: Rapid and stable vacuum system minimizes product damage
Energy Efficient: Cold traps and optimized thermal design reduce energy consumption
Durable Construction: Stainless steel chambers and aluminum heating plates ensure long-term industrial operation
Automation: PLC and PC-based monitoring reduces labor and improves process repeatability
The LG-240 Freeze-Drying Equipment provides a reliable, high-efficiency solution for large-scale industrial freeze-dried production. With advanced automation, precise temperature and vacuum control, and large drying chambers, the LG-240 ensures premium-quality freeze-dried products with excellent rehydration, nutrient retention, and long shelf life.
Ideal for food, herbal, nutraceutical, and pet food manufacturers, the LG-240 supports domestic and international markets, delivering consistent, high-quality results for industrial-scale production.
LG-240 Freeze-drying equipment: Industrial Vacuum Lyophilizer Overview
The LG-240 freeze-drying equipment is an industrial-scale vacuum Freeze Dryer designed for large-volume production in the food, pharmaceutical, biotechnology, and agricultural industries. Utilizing advanced vacuum lyophilization technology, the LG-240 ensures products are dried under low-pressure conditions while preserving nutritional value, flavor, color, and structural integrity.
This model is ideal for high-capacity batch operations and is suitable for sensitive or high-value products where consistent quality and extended shelf life are required.
High-Capacity Industrial Drying: Each chamber provides a drying area of 240 m², allowing large batch production.
Vacuum-Assisted Sublimation: Moisture is removed efficiently without compromising product quality.
Stainless Steel Drying Chamber: Durable, corrosion-resistant, and hygienic.
Radiant Heating Shelves: Uniform heat distribution ensures consistent drying across all trays.
Integrated Ice Condenser (Cold Trap): Captures sublimated water vapor at temperatures of –30°C to –40°C.
Automated Control System: PLC or PC-based system for precise temperature, vacuum, and cycle management.
Energy-Efficient Design: Optimized heating and refrigeration systems reduce operational costs.
Flexible Material Handling: Compatible with tray racks and sliding carts for efficient loading and unloading.
The LG-240 freeze-drying process consists of four main stages:
Raw materials are cleaned, cut, and portioned according to specifications.
Materials are spread evenly on trays to ensure uniform freezing and drying.
Products are frozen to –35°C or lower, forming ice crystals that allow efficient sublimation in the vacuum chamber.
The chamber is evacuated to a low-pressure environment using a vacuum pump.
Heat is applied via radiant shelves, causing ice in the product to sublimate directly into water vapor.
The water vapor is captured by the ice condenser, maintaining vacuum and preventing condensation in the chamber.
Slightly increasing the shelf temperature removes bound water.
Final moisture content is typically below 5%, ensuring long shelf life and stability.
Drying Chamber: Stainless steel cylinder with radiant heating shelves and airtight doors.
Ice Condenser (Cold Trap): Captures sublimated vapor efficiently.
Vacuum System: Maintains low-pressure conditions for consistent sublimation.
Heating System: Radiant shelves with precise temperature control for uniform drying.
Refrigeration System: Supports pre-freezing and cold trap operation.
Automated Control System: PLC or PC-based monitoring of temperature, vacuum, and cycle parameters.
Tray and Material Handling: Aluminum alloy trays on sliding racks for efficient loading and unloading.
| Parameter | Value |
|---|---|
| Model | LG-240 Freeze Dryer |
| Drying Area per Chamber | 240 m² |
| Chamber Material | Stainless steel |
| Tray Material | Aluminum alloy |
| Shelf Temperature | Ambient to 120°C |
| Condenser Temperature | –30°C to –40°C |
| Working Pressure | 30–133 Pa |
| Vacuum Limit | ≤ 20 Pa |
| Typical Batch Capacity | 2000–3000 kg |
| Typical Drying Time | 12–24 hours |
| Door Type | Airtight with observation window |
Freeze-dried fruits: strawberry, blueberry, mango
Freeze-dried vegetables: peas, corn, carrots
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
High Production Efficiency: Large chamber allows bulk processing and continuous operation.
Consistent Product Quality: Preserves color, flavor, nutrients, and structural integrity.
Energy Efficient: Optimized heating and refrigeration systems reduce operational costs.
Automated Control: PLC/PC-based system ensures precision and reproducibility.
Hygienic and Durable: Stainless steel construction allows easy cleaning and long-term use.
Flexible Operations: Suitable for different industries and batch sizes.
Modular designs for multiple chambers or production lines.
Energy-saving refrigeration and heating systems.
Advanced PLC or PC controls with remote monitoring.
Integration with quality control systems for regulatory compliance.
The LG-240 freeze-drying equipment offers a robust, high-capacity solution for industrial freeze-drying, providing reliable performance, high-quality product output, and long shelf life across food, pharmaceutical, biotechnology, and agricultural industries.
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