Sparging Inefficiency Flashcards
(10 cards)
Why is the correct formation of the grain bed critical?
It maintains integrity during wort collection and prevents preferential flow through thinner sections of the grain bed.
An uneven grain bed can lead to inefficient sparging.
What should be visually inspected during the late sparge?
The grain bed should be even with no cracks.
Cracks in the grain bed can cause pronounced preferential sparge flow.
What can block multiple outlets in the true floor?
Blockages can occur, leading to preferential sparge flow in other areas.
Inspecting each outlet by lifting the false floor plates is necessary to confirm flow.
How can we confirm free flow in the outlets?
By using a hosepipe to check for flow.
Blocked outlets can cause uneven sparge flow.
What may cause flow restriction under some sections of the false floor?
Blocked or faulty underfloor cleaning nozzles.
This results in preferential sparge flow in other areas of the grain bed.
What must be inspected to check for flow restrictions?
Inspect for silted areas, blocked false floor slots, and faulty cleaning nozzles.
Lifting false floor plates is necessary for inspection.
What causes variable grain bed loading in mash filter chambers?
Uneven flow into and out of each mash filter chamber.
Lesser loaded chambers lead to less compacted grain and easier flow for sparge water.
How can we determine if there is variable sparge flow between chambers?
By inspecting each mash filter plate for blockages of the mash/sparge inlet ports.
This helps identify uneven chamber filling.
What can cause resistance to flow in mash filter chambers?
Blocked filter cloths or blocked wort outlet holes behind the filter cloths.
This can lead to uneven filling of the chambers.
What should be checked in addition to the mash/sparge inlet ports?
Confirm that filter plate outlet holes are not blocked and that cloths are not heavily soiled.
Heavily soiled cloths indicate a cleaning issue.
