Pan Boiler
Current- .Starting vacuum pan by opening valves to admit specified amounts of liquor and steam into vacuum pan, and water into condenser unit.
- Observing boiling of liquor through sight glasses.
- Adjusting valves to maintain specified temperatures and pressures and obtain supersaturated solution without caramelizing sugar.
- Opening valve to shock solution with pan seed and start formation of sugar crystals.
- Obtaining samples of solution, using proof stick, and observing grain size under microscope to determine when crystals have grown to specified size.
- Opening pan-feed valve to control growth of crystals.