1.Most breweries today use cylindro-conical vessels, which have a conical bottom and a cylindrical top. The cone's aperture is typically around 60°,
There are five advantages:
*an angle that will allow the yeast to flow towards the cone's apex, but is not so steep as to take up too much vertical space.
*It could be control the temperature and save the time of the fermenting.
*The co2 circulation will produce the bubbles and these bubbles will make the process of fermenting more active.
*Easy for cleaning.
*At the end of fermentation, the yeast and other solids which have fallen to the cone's apex can be simply flushed out of a port at the apex.
2.With a cooling jacket, the cooling capacity can meet the process cooling requirements. The glycol jacket is dimpled plate on cone or side.
This design can facilitates sedimentation and preservation of yeast
3.Conical fermenter is closed tank, can recover Co2, it can handle both fermenting and conditioning in the same tank.
4.The natural convection of the liquor in the fermenter is stronger, the higher the tank, the stronger the convection, the convection strength is related to the shape of the tank, the size of the tank capacity and the control of the cooling system.
5.The height of conical tank is high, so Stronger cohesive yeasts tend to precipitate. Therefore more cohesive yeast are used.
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