Instruction Manual

6 Operation
56 B-290 Operation Manual, Version I
6.9 Mini Spray Dryer B-290 acid resistant
For basic operations please see chapters 6.1–6.7.
Nozzle cleaning instructions
1. Clean the nozzle parts immediately after each spray drying run.
2. Wash the nozzle parts with a mild detergent solution.
3. Rinse the parts with hot water and let them dry.
4. Examine the nozzle parts under a microscope to verify that they are clean.
5. Check the integrity of the O-rings. Replace if necessary.
NOTE
Do not use hydrochloric acid (HCl) for cleaning stainless steel.
Do not spray hydrochloric acid (HCl) because it will corrode the stainless steel parts.