Freeze Dryer
Welcome to our Freeze Dryer section. Whether you are looking to create long-lasting, healthy homemade snacks for your family, stockpile emergency supplies, or seek precision freeze-drying solutions for commercial production or laboratory use, we have the perfect equipment for you. Our freeze dryers utilize advanced vacuum freeze-drying technology to perfectly lock in up to 97% of nutrients, original flavors, and vibrant colors—all without compromising the structural integrity of the material. Please browse the products below to find the model that best suits your needs and embark on a new era of ultimate food preservation!
Product Overview
The Industrial Freeze Dryer series is engineered for pilot-scale and commercial production of temperature-sensitive biologicals, pharmaceuticals, and high-value food products. Built for strict vacuum integrity and precise thermal control, each unit executes multi-stage sublimation cycles under automated PLC supervision, protecting labile molecular structures and preserving cellular integrity.
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Homesteading Family Freeze DryerThe Lanphan HFD-15 Home Freeze Dryer combines compact design with superior performance in a precision vacuum freeze-drying system.Created for household and small-batch food processing, it uses...read more -
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Freeze Drying Equipment for Home UseThe LANPHAN HFD-8 Home Freeze Dryer is a compact and efficient vacuum freeze-drying unit designed for everyday family use and healthy home food preservation. Featuring 8 spacious trays, this...read more -
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Freeze Dry Food Machine for Home UseThe Lanphan Freeze Dry Food Machine For Home Use is a compact and efficient vacuum freeze drying equipment designed for small-scale food processing and home applications. By utilizing advanced...read more -
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Small Countertop Freeze DryerThe Lanphan HFD-5 Home Freeze Dryer is a compact and high-performance vacuum freeze-drying system, expertly engineered for household use and small-scale food processing. Utilizing advanced...read more -
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Vegetables Freeze Dry MachineMake healthy, homemade freeze-dried food easily with the Lanphan HFD-9. This compact and high-efficiency freeze dryer is designed for home and small-scale food processing. It works great with...read more -
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Investing in a high-quality freeze dryer is an ideal choice for achieving ultra-long-term food preservation—extending shelf life to 15–25 years—and enhancing product value. When making your selection, we recommend determining the machine's capacity based on the weight of the ingredients you typically process per batch, and choosing between an oil-free or oil vacuum pump based on your maintenance budget. We are dedicated to providing you with intelligent freeze-drying equipment that offers stable performance and user-friendly operation, backed by comprehensive after-sales warranties and lifetime technical support. If you have any questions regarding model comparisons or the freeze-drying process, please do not hesitate to contact our customer service team; we are ready to provide you with expert purchasing advice.
Working Principle
Lyophilization operates via three sequential phases executed within a hermetically sealed, vacuum-rated chamber:
Freezing Phase:
Product is frozen below its eutectic point or collapse temperature (typically -40 deg C to -50 deg C) to ensure complete solidification of free water into crystalline ice.
Primary Drying (Sublimation):
The chamber is evacuated to deep vacuum (< 0.1 mbar). Thermal energy is transferred via conductive fluid circulating through hollow shelves, supplying latent heat of sublimation to convert ice directly into vapor without phase transition through liquid.
Secondary Drying (Desorption):
Bound moisture is desorbed from the product matrix by raising shelf temperatures while maintaining high vacuum, reducing final residual moisture content to below 1% to 3%.
Uniform Thermal Transfer: Internal shelf temperature uniformity maintained within plus-minus 1 deg C across all freezing surfaces, preventing localized overheating and product collapse.
Rapid Condenser Defrosting: Hot gas defrost cycle clears ice from the external condenser coil in under 15 minutes, reducing batch turnaround time.
Aseptic Boundary Integrity: Sanitary Tri-Clamp connections, orbital-welded 316L stainless steel piping, and optional Clean-in-Place (CIP) / Sterilize-in-Place (SIP) header integration.
Data Integrity & Audit Trails: 21 CFR Part 11 compliant SCADA control system featuring secure batch records, electronic signatures, and automated alarm logging.
Configuration & Components
Vacuum Chamber:
316L stainless steel, electro-polished to Ra <= 0.4 micrometer, fitted with a pneumatic sliding door seal.
01
Shelving Assembly:
Anodized aluminum or 316L stainless steel hollow plates designed for silicone heat-transfer fluid circulation.
02
Refrigeration System:
Hermetic or semi-hermetic dual-stage compressors utilizing eco-friendly, non-CFC refrigerants in a cascade configuration.
03
Vacuum Subsystem:
Combination of rotary vane roughing pumps and roots blowers, achieving ultimate vacuum levels below 0.01 mbar.
04
Control Interface:
Industrial PLC paired with a 12-inch industrial HMI touchscreen running custom recipe management software.
05
Technical Specifications
|
Parameter |
Industrial Model (FD-50S) |
Pilot Model (FD-10S) |
|
Total Shelf Area |
5.0 square meters |
1.0 square meter |
|
Number of Shelves |
5 + 1 (Radiant shelf included) |
3 + 1 (Radiant shelf included) |
|
Shelf Temperature Range |
-50 deg C to +70 deg C |
-45 deg C to +65 deg C |
|
Shelf Temperature Uniformity |
plus-minus 1.0 deg C |
plus-minus 1.5 deg C |
|
Condenser Ultimate Temperature |
<= -75 deg C |
<= -65 deg C |
|
Condenser Ice Capacity |
60 kg / 24h |
15 kg / 24h |
|
Vacuum Pump Displacement |
100 cubic meters per hour |
30 cubic meters per hour |
|
Chamber Leak Rate |
<= 0.001 mbar * liter per second |
<= 0.005 mbar * liter per second |
|
Power Supply |
380V, 3-Phase, 50/60Hz |
380V, 3-Phase, 50/60Hz |
Applications
Pharmaceutical Formulation:
Bulk active pharmaceutical ingredients (APIs), live attenuated vaccines, antibiotics, and diagnostic reagents requiring reconstitution stability.
Biotechnology:
Enzyme preservation, blood plasma fractions, antibodies, and cellular suspensions.
Food Processing & Nutraceuticals:
High-value botanical extracts, probiotics, specialty functional foods, and aerospace provisions requiring moisture retention below 3 percent.
Material Science:
Porous ceramic scaffolds, polymer aerogels, and nanoparticle suspensions requiring strict structural preservation.
Selecting the correct lyophilizer capacity requires balancing total batch mass, sublimation rate, and solvent composition:
Calculation Guidance: Ensure condenser ice capacity exceeds total water mass per batch by at least 20 percent to prevent premature condenser overload during primary drying.
Optional Upgrades:
Hydraulic stoppering mechanism for serum vial sealing under vacuum.
Capacitance manometer for precise chamber pressure control independent of gas composition.
Eutectic point sensor array for automated endpoint detection.
Clean-In-Place (CIP) spray balls and Sterilize-In-Place (SIP) clean steam ports.
Manufacturing & Quality Control
Material Traceability:
All 316L contact sheets are supplied with standard material test certificates verifying chemical composition (Cr, Ni, Mo content).
Welding Standards:
Chamber and piping welds executed via automated orbital TIG welding, followed by endoscopic inspection and dye penetrant testing (PT).
Pressure Testing:
Pressure vessel hydrostatic testing performed at 1.5 times maximum allowable working pressure in accordance with international pressure equipment directives.
Factory Acceptance Testing (FAT):
Every system undergoes a standard 72-hour continuous dry run, helium leak testing, and thermal mapping prior to crating.
Customization & Integration
Chamber Geometry: Custom rectangular or cylindrical vessel layouts designed for integration into barrier isolators or cleanroom pass-through walls (double-door configuration).
Refrigeration Integration: Compatibility with facility chilled water loops or explosion-proof electrical zoning for solvent recovery applications.
SCADA Connectivity: Standard industrial communication protocols enabled for direct integration into plant-wide distributed control systems (DCS).
FAQ
We're well-known as one of the leading freeze dryer manufacturers and suppliers in China. With abundant experience, we warmly welcome you to buy high quality freeze dryer for sale here from our factory. For price consultation, contact us.
production tray freeze dryer