BLK-FD-50

Freeze-drying area	50.5 ㎡
Standard loading capacity	500 kg
Liquid loading capacity	1,000 L
Ultimate vacuum level	≤10 Pa

Features and Benefits:

Cylindrical chamber structure, standard-equipped with residual cold recovery and intelligent control system; energy consumption reduced by 10%–15% compared to traditional equipment.
Radiation plates are one-piece with no welded joints; special heat transfer fluid circuit design keeps inter-shelf temperature deviation within ±1°C.
Optional patented intermediate isolation valve to shorten batch intervals.
Supports parallel operation of multiple units; two units can achieve the output of three.
Electric or steam heating selectable based on production requirements.
Chamber and unit layout positions are customizable.

Bolaike large-scale freeze-drying equipment offers higher precision and higher-end performance for large-scale freeze-drying production, especially in the food industry.

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Product Details

GLOBALEXPERT IN FREEZE-DRYING EQUIPMENT MANUFACTURING

BOLAIKE specializes in R&D and manufacturing of large-scale freeze-drying equipment, dedicated to delivering cutting-edge solutions for global clients across industries including food, agricultural products, chemicals, medicinal materials, and biological supplies.

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GLOBALLY STANDARDIZED HIGH-QUALITY EQUIPMENT

The BLK-FD-50 is fully designed to international specifications, ensuring the equipment meets global benchmarks for quality, safety, and sustainability:

A: EU CE certification, compliant with mechanical health and safety standards

B: China Quality Management System certification

APPLICATION

Suitable for freeze-drying processing of various materials, including:

BATCH MATERIAL PROCESSING CAPACITY MODEL BLK-FD-50

Based on a tray area of 50 m² and a loading height of 35mm, the per-chamber material processing capacity of BLK-FD-50 varies by material density: (Adjust according to material density)

FOOD CATEGORY	SOLUTION CATEGORY	FRUITS & VEGETABLES
3000KG-4000KG	2500KG-3000KG	2000KG-2500KG

8mm-thick 304 stainless steel

Constructed from 8mm-thick 304 stainless steel, featuring stable structure and long service life.

Typically accommodates 2-sets material trolleys (manual/auto optional)

STRICT PROCESS INSPECTION AND PRESSURE TESTING

5 core inspection workflows and 58 inspection procedures to ensure reliable overall machine craftsmanship.

48+ hours of pressure holding test for the refrigeration system.

Two pressure tests (high-pressure and low-pressure) for the entire machine, with 48 hours dedicated to high-pressure testing.

MULTIPLE REFRIGERATION PANEL CONFIGURATIONS TO MEET DIVERSE SITE & PROCESS REQUIREMENTS

● PATTERNA
External refrigeration system
● PATTERNB
Built-in refrigeration system

LEXIBLE, EFFICIENT, ENERGY-SAVING VACUUM PUMP UNIT, REFRIGERATION UNIT CONFIGURATIONS

VACUUM PUMP UNITS

Combine different types of vacuum pumps (screw pump + Roots pump set / rotary vane pump + Roots pump set/water ring pump + Roots pump set) to quickly establish a vacuum environment in large-scale machine bodies, reaching the required vacuum level for freeze-drying materials within the specified time;

Adopt adjusting the power of vacuum pump to demand the different requirements of vacuum degree;

Adopt intelligent variable-frequency vacuum pump combinations to reduce energy consumption;

REFRIGERATION UNITS

A single refrigeration unit supplies cooling to both the cold storage and freeze-drying equipment simultaneously;
Dynamically manage the drying process of multiple freeze-drying devices by using intelligent variable-frequency refrigeration units;

INTELLIGENT DESIGN FOR CONTINUOUS PRODUCTION

PARALLEL SYSTEM DESIGN

This system operates with multiple freeze dryers connected in parallel, and production is organized through staggered feeding and unloading cycles. When a
single unit enters the final drying stage and is ready for cold trap defrosting, other freeze dryers still in operation jointly undertake water vapor capture and maintain system stability. This provides a stable and safe defrosting window for the unit, effectively shortening defrosting time and preventing interruptions to the overall freeze-drying process.

SHARED VACUUM TECHNOLOGY

The Partitioned bulkhead with valve is used to separate the drying chamber and the cold trap of the freeze dryer. It enables precise control of water vapor flow direction and vacuum status under operating conditions such as freeze-drying operation and cold trap defrosting, preventing water vapor backflow and ensuring product quality as well as system operational safety.

BOLAIKE'S HIGH-EFFICIENCY ENERGY-SAVING TO REDUCE OPERATING COSTS

ENERGY-SAVING PERFORMANCE IS OUTSTANDING

20%-40%

Energy consumption reduced by 20%-40%

15%-25%

Single-batch cycle shortened by 15%-25%

ENERGY RECYCLING SYSTEM

Cold recovery

(PATENT NO:CN206047043U)

Traditional designs use cold energy once then discharge it, keeping compressors in a continuous high-load state. BOLAIKE recycles cold energy from refrigeration system to pre-cool the next refrigeration system, reducing 20%-30% overall compressor load for energy-saving.

Heat recovery

In freeze-drying, excess heat from the sublimation/heating phase is typically discharged. BOLAIKE recycles this heat (or steam heat) for material drying, reducing energy consumption.(Patent Nos.:CN209030727U & CN204392676U) When material heating temperature is≤35°C:99% energy consumption saved;

When the required heating temperature of materials is below 80°C, ~10% of energy consumption can be saved (waste heat-en- hanced large-scale vacuum freeze-drying system. (Patent No.: CN119468635B)

PATENTNO: CN209612254U

HEAT PUMP & ECONOMIZER SYSTEM

This system increases the compressor's COP (Coefficient Of Performance) to 4.8-5.9, improving energy efficiency by 5-6 times compared to traditional freeze-drying equipment.

INTELLIGENT CENTRAL CONTROL SYSTEM