Description
ATOMFAIR LNPM-8C LIQUID NITROGEN PLANETARY BALL MILL -40°C 4-STATIONRESEARCH & PRODUCTION GRADE EQUIPMENT
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TAILORED SOLUTIONS FOR RESEARCH & PRODUCTION
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This cryogenic ball mill requires continuous liquid nitrogen supply and adequate ventilation to prevent oxygen displacement. The grinding chamber must be maintained at -40°C to 20°C with liquid nitrogen consumption of 4-5 L/h under typical operating conditions.
- Cryogenic Safety: Liquid nitrogen handling requires cryogenic-rated personal protective equipment including insulated gloves and face shield.
- Ventilation Requirement: The operating area must have forced ventilation or be open to prevent nitrogen gas accumulation that can cause asphyxiation.
- Electrical Supply: Electrical supply must match the unit's voltage rating (220V/110V) and provide sufficient current for the 1.5 kW motor.
- Load Capacity: The mill must be placed on a level, stable surface capable of supporting its 150 kg net weight.
- Jar Compatibility: Only cryogenically compatible grinding jars and media should be used; order separately from the main unit.
Follow these steps to safely set up and begin cryogenic grinding operations. Always consult the user manual for detailed instructions before first use.
Required Equipment: Liquid nitrogen supply with included 50 L tank, Cryogenic gloves and face shield, Compatible grinding jars and media
- Inspect Equipment
Inspect the liquid nitrogen supply system and ensure the 50 L tank is properly connected and free of leaks. - Install Jars
Install four compatible grinding jars with appropriate media into the four stations and secure them tightly. - Set Temperature
Set the temperature controller to the desired cryogenic range between -40°C and 20°C. - Initiate Cooling
Initiate liquid nitrogen flow into the insulated chamber and allow the system to reach thermal equilibrium. - Load Samples
Load samples into the grinding jars and seal the lids to prevent contamination or leakage. - Start Rotation
Start the rotation at the lowest speed setting (70 rpm) and gradually increase to the target speed up to 580 rpm.
What is the trade-off between rotation speed and cryogenic temperature control in the LNPM-8C liquid nitrogen planetary ball mill?
The LNPM-8C operates at a rotation speed of 70–580 rpm with a temperature control range of -40°C to 20°C. Higher speeds generate more frictional heat, requiring greater liquid nitrogen consumption to maintain cryogenic conditions; at 0–10°C, LN2 consumption is 4–5 L/h. The 1.5 kW motor supports the full speed range, but users must balance grinding intensity with cryogenic efficiency to avoid excessive LN2 usage, especially when targeting temperatures near -40°C.
Can the LNPM-8C accommodate vacuum or inert atmosphere grinding for air-sensitive materials, and what jar materials are compatible?
Yes, the LNPM-8C supports vacuum and inert atmosphere grinding via optional vacuum grinding jars. The four-station platform accepts jars made from WC-Co, Al₂O₃, agate, YSZ, stainless steel, PU, ceramic, or nylon, all ordered separately. For air-sensitive materials, vacuum jars must be selected with a material that resists chemical attack and maintains seal integrity under cryogenic conditions down to -40°C.
What infrastructure and safety precautions are required to operate the LNPM-8C liquid nitrogen planetary ball mill?
The LNPM-8C requires a 220V/110V electrical supply, a continuous liquid nitrogen source, and a well-ventilated area to prevent oxygen displacement. A 50 L empty LN2 tank is included; under 0–10°C operation, LN2 consumption is 4–5 L/h. The system weighs 150 kg with dimensions 880×560×670 mm, requiring a sturdy bench or floor space. Users must follow cryogenic safety protocols and consult the user manual before first use.
The LNPM-8C is a 4-station cryogenic planetary ball mill with 8 L total volume, 1.5 kW motor, and -40°C to 20°C temperature control via continuous liquid nitrogen injection, designed for ultrafine grinding of temperature-sensitive materials in research and small-batch production.
Positive
- Cryogenic grinding with -40°C capability: Continuous liquid nitrogen injection into the insulated chamber rapidly absorbs heat from high-speed ball motion, maintaining a persistent low-temperature environment down to -40°C for processing temperature-sensitive materials.
- Four-station independent sample processing: The four-position grinding configuration allows simultaneous preparation of four different samples in a single run, improving experimental throughput for comparative material studies.
Trade-offs
- Continuous liquid nitrogen supply required: Liquid nitrogen consumption is approximately 4–5 L/h under 0–10°C operating conditions, requiring a dedicated LN2 supply and storage infrastructure for sustained operation.
- Grinding jars and balls ordered separately: The main unit includes the grinding host and a 50 L empty LN2 tank, but grinding jars and balls must be purchased separately, adding to initial setup cost and lead time.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
