Description
ATOMFAIR LNPM-4C 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 system must be operated within -40°C to 20°C temperature range with proper grounding and electrical safety measures.
- Liquid Nitrogen Handling: Liquid nitrogen must be stored in the included 50 L tank and transferred using cryogenic-safe equipment.
- Ventilation Requirement: Operating area must be ventilated to prevent nitrogen gas accumulation and asphyxiation risk.
- Temperature Control: Temperature control range is -40°C to 20°C; do not exceed these limits during operation.
- Electrical Safety: Electrical supply must match 220V/110V and include proper grounding to prevent shock hazards.
- Jar and Media Compatibility: Use only compatible grinding jars and media (WC-Co, Al2O3, Agate, YSZ, SS, PU, Ceramic, Nylon) rated for cryogenic milling.
Follow these steps to safely set up and run the liquid nitrogen planetary ball mill for cryogenic grinding. Ensure all safety protocols are observed before starting.
Required Equipment: Liquid nitrogen tank (50 L), Grinding jars (1 L each), Grinding media (balls)
- Inspect Equipment
Inspect the liquid nitrogen tank, supply lines, and grinding jars for damage before each use. - Prepare Grinding Jars
Load sample material and grinding media into each jar at approximately 40% jar capacity, then securely fasten the jar lids. - Install Jars on Platform
Place the filled jars onto the four-station platform and lock them into position using the clamping mechanism. - Fill with Liquid Nitrogen
Fill the insulated chamber with liquid nitrogen from the included tank until the operating temperature reaches the desired setpoint between -40°C and 20°C. - Set Rotation Speed
Set the rotation speed within the 70–810 rpm range using the control panel according to your grinding requirements. - Verify Ventilation
Verify that the operating area is adequately ventilated before starting the motor to prevent nitrogen gas accumulation. - Monitor Operation
Monitor liquid nitrogen consumption and chamber temperature throughout the grinding cycle, refilling as needed.
How does the operating temperature setpoint affect liquid nitrogen consumption in the LNPM-4C cryogenic ball mill?
The LNPM-4C consumes approximately 4–5 L/h of liquid nitrogen under 0–10°C operating conditions. While the exact consumption at lower temperatures is not specified, the rate will increase as the setpoint approaches -40°C due to the greater heat absorption required to maintain cryogenic conditions. The system continuously injects liquid nitrogen to rapidly absorb heat generated by grinding.
What types of grinding jar materials are compatible with the LNPM-4C for processing air-sensitive materials under inert atmosphere?
The LNPM-4C supports vacuum and inert atmosphere grinding using compatible vacuum grinding jars. Available jar materials include WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, and Nylon. For air-sensitive materials, the combination of vacuum/inert atmosphere jars with continuous liquid nitrogen cooling enables complete environmental isolation during cryogenic processing.
What are the infrastructure and safety requirements for liquid nitrogen supply and ventilation when operating the LNPM-4C?
The LNPM-4C includes a 50 L empty liquid nitrogen tank and consumes approximately 4–5 L/h under 0–10°C operating conditions. Adequate ventilation is required in the operating area due to nitrogen gas displacement. Cryogenic safety protocols must always be followed when handling liquid nitrogen.
The ATOMFAIR LNPM-4C is a 4-station cryogenic planetary ball mill with -40°C capability, 4 L total volume, and included 50 L liquid nitrogen tank, designed for ultrafine grinding of temperature-sensitive materials under inert or vacuum atmospheres.
Positive
- Cryogenic grinding down to -40°C: Continuous liquid nitrogen injection maintains sub-zero temperatures as low as -40°C, enabling processing of temperature-sensitive materials such as electronic ceramics, battery materials, and pharmaceuticals without thermal degradation.
- Four-station simultaneous grinding: The four-position platform allows independent preparation of up to four different samples in a single run, significantly increasing experimental throughput for comparative material studies.
Trade-offs
- Continuous liquid nitrogen consumption: Under typical 0–10°C operating conditions, the system consumes approximately 4–5 L/h of liquid nitrogen, requiring a reliable cryogen supply chain and periodic refilling of the included 50 L tank.
- Ventilation required for nitrogen displacement: Evaporating nitrogen gas displaces oxygen in the workspace; adequate ventilation is mandatory to prevent asphyxiation hazards during operation.
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).
