That is a very good question, why not put the whirlpool tun and the kettle tun into the same vessel?
If the heat method of brewhouse is electric resistance, as you know, the electric resistance will be installed into the inner of kettle tun.
When the hot wort is in process of whirlpooling, these electric resistance can be regarded as obstacle, that will bring some bad effects on whirlpool effect.
If our design can try to avoid that, we would do our best.
If customers like, we also let the kettle tun have the function of whirlpooling at the same time.
If the heat method of brewhouse is steam heat or direct-fire heat, the whirlpool tun and the kettle tun can be absolutely done in the same vessel.
In addition to being able to understand the structure as above, we also regard the combined structure as more flexible optional by modifying some piping and valves.
The structure is Mash/Lauter/Hot Liquor tank + Kettle/Whirlpool Tun.
In the structure, the left lower tank is HLT, that will provide brewing water and sparging water for whole system. And the right vessel is Kettle/Whirlpool tank as you thought.
Maybe at this time, you would ask, there is no HLT in above structure, how to prepare the brewing water and sparging water?
In the situation, most of brewers use brew kettle to prepare the proper temperature brewing water, and store the sparging water in other vessel that is empty.
If the heat method is steam, the three vessels will have the steam jacket to heat up, that is very convenient to brew all types of beers.
If the heat method is electric resistance, both HLT and K/W tun have the heating device.(At this time, if customer choose this kind of HLT, he have to accept the effect of electric resistance on whirlpooling effect.)
If the heat method is direct-fired heat, generally speaking, only the K/W tun have the burner and combustion chamber. Since if we add the combustion chamber for the left vessel, it will be too tall to safety. And it's also not easy to operation and open the top door.
In a word, the combined brewhouse is very popular in some coutries near Germany.
Mainly for the following reasons,
1) In comparsion to two vessel + HLT, it's a more economical structure.
2) Save the space for some breweries who have some limitations on space, like bar, resturant and pub etc, they prefer to have more space to put tables and chairs to treat customers.
3) Both gravity wort filtration and pump wort filtration are available. If some brewmasters met some trouble on wort running off, especially when they were brewing the high gravity beer, you would find they will love every solution that can help them to solve problems.
The structure has a disadvantage, under the same beer brewing process, it will need the brewer to do more valves and electric button off/on operation.
If we want to brew 2 batches in one day, we will spend more hours.
So when some customers send us inquires about 200lts,250lts,300lts and 400lts, if they don't have specific requirements about brewhouse, we will suggest the combined brewhouse to them.
The above content is kind of much, if you have any doubt please let me know timely.
Edited by Damon
Email:[email protected]
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