BUCHI Nano Spray Dryer B-90 User Manual
Page 14
2 Safety
14
B-90 Operation Manual, Version B
2.5.2
Warning labels on housing
The below warning label can be found at the gas outlet connector on the right side of the Nano Spray
Dryer B-90.
Meaning
Ozone formation in the electric field of the electrostatic particle collector when using oxygen containing
gases as drying gas (like air). Withdraw gases via fume hood or equivalent ventilation system directly.
2.5.3
Safety measures
Always wear personal protective equipment such as protective eye goggles, protective clothing, inha-
lation protection and gloves when working with the instrument.
2.5.4
Built-in safety elements and measures
Heating
• Overheating protection circuit.
• Automatic temperature control of heater and inlet temperature.
Spraying
• Automatic spray control.
• Light barrier, to detect the correct placement of the particle collector.
• Overpressure leakage detection.
High voltage and electrostatic charges
• Safety current limitation.
• Internal grounding to arrest electrostatic charges.
Air/Gas
• Automatic processing interruption when system pressure is too low.
• Outlet filter to protect the environment contamination of fine dust particles via exhaust gas tubing.