Kettle Whirlpool Flashcards
(10 cards)
What is a kettle whirlpool?
A kettle that also acts as a whirlpool
Kettle whirlpools are designed to combine the functions of boiling and whirlpooling in a single vessel.
What type of calandrias are effective in kettle whirlpools?
External calandrias or heating jackets
Internal coils and calandrias disrupt the whirlpool vortex, making it ineffective.
How does wort return to the kettle in a kettle whirlpool?
Via a tangential inlet usually above the surface of the wort
List the advantages of kettle whirlpools.
- Reduces the number of brewhouse vessels required
- Saves on capital cost and energy cost
- Enables brewhouse to be housed in smaller buildings
- Removes the time taken to transfer wort from the kettle to the whirlpool
- Prevents damage to trub particles from transfer
- Can start boiling as soon as jackets or external wort boiler are covered
What are the disadvantages of kettle whirlpools?
- Vessel is tied up from start of wort separation to end of casting out
- Brewhouse cycle time is longer than with dedicated kettle and whirlpool
- Design is a compromise for boiling and wort clarification
- Can be seen as solving a problem that doesn’t exist if space is not an issue
True or False: Kettle whirlpools are always the best option for brewing.
False
Kettle whirlpools can be seen as unnecessary if space is not a constraint, as traditional whirlpools are often simpler and less expensive.
What historical method was used to remove trub?
Filtration using filters similar to those used in depth filtration of beer
What is a drawback of using filters for trub removal?
They are very high maintenance and the wort produced is often too clear for effective fermentations
Fill in the blank: Kettle whirlpools can be said to be solving a problem that doesn’t exist unless _______.
[space is a problem]
What can quickly pay back the purchase cost of whirlpools?
The extra brews that can be performed each day
