800L open top fermentation tank
Open fermentation of beer is a traditional fermentation method mainly used to produce beer with certain specific flavors. This method usually involves not closing the fermentation period, allowing yeast to naturally enter, so that the beer can ferment. This fermentation method is similar to the production process of Belgian lambic beer, in which ingredients such as lactic acid bacteria, coriander seeds and salt are added to produce specific flavors. The history of this fermentation method can be traced back to the late 18th century, when Leipzig was full of Koss taverns, and the earliest Koss beers were made using this natural fermentation method. The characteristic of this method is its open fermentation process, which allows yeast and other microorganisms in the air to enter naturally, thus affecting the flavor of the final beer. However, this method is difficult to control because it is impossible to accurately control the type and amount of yeast that is introduced, which may cause the flavor of the beer to fluctuate greatly. In addition, due to the presence of wild bacteria, this beer usually has a distinct sour and spice-like phenolic taste, and sometimes has a slightly salty taste due to the influence of local water quality. Despite this, this traditional method is still used by some brewers to make beer with a specific flavor.
Of course, if you have visited some larger commercial old breweries, you may find some open beer fermentation tanks in some sterile beer fermentation rooms. These fermentation tanks are used for the main fermentation of beer. The yeast "bathing" in the tank will reproduce and work very happily, so that the sugar eaten by them will also be converted into more "pleasant" alcohol and various flavor substances. Of course, after these beers are fermented to a certain extent (when the sugar content of the fermentation liquid drops to about 4 plato), they will be transferred to the brite tank for secondary fermentation, maturation and carbonization.
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And our open fermentation tanks here are also designed for these ancient beer fermentations. These tanks are made of stainless steel 304 or stainless steel 316, with flat tops and flat bottoms (with a slight slope towards the discharge outlet), and are equipped with dimple glycol cooling jackets to stabilize the fermentation temperature.
Next, let's look at some specific parameters.
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♦ Function：Wort Fermentation or maturation
♦ Tank Capacity: 800L (+25% Headspace minimum)
♦ Dimension: Customizable
♦ Interior Shell: SUS304 full welded; TH=3mm
♦ Exterior Shell:SUS304 full welded; TH=2mm
♦ 100% TIG welding with pure argon gas shield
♦ Interior Finish: Sanitary 2B finish, Pickled and Passivated; (8K Mirror finish optional)
♦ Exterior Finish: Oil brushed finish（2B, 8K Mirror finish optional)
♦ Interior full polished to 0.2~0.4 μm without dead corner
♦ Insulation: TH=80mm with low thermal conductivity PU
♦ Cooling: 35% Glycol liquid -5℃
♦ Cooling Jacket: Dimple plate on bottom and side wall, welded without over burning
♦ Jacket test by water and gas, 5bar/75psi for 1hour, 3.5bar/52psi for 48 hours
♦ Jacket Working Pressure: ≦ 2bar/30psi
♦ Tank leakage test by water for 48 hours
♦ Tank Working Pressure: Atmospheric
♦ Open round top with easy reamovable lid
♦ Flat bottom
♦ Full sanitary sampling valve with EPDM seal
♦ 2" TC port at the bottom edge of the side wall in the front
♦ Sanitary welded thermowell for high accuracy temperature sensor 1pc
♦ Glycol water in/out port on side wall, Thick wall pipe thread (Top or bottom design available)
♦ Glycol water in/out port on cone, Thick wall pipe thread (Top or bottom design available)
♦ 4pcs completely SUS304 legs with braces
♦ 4 sets heavy duty foot pad with up-down and slop adjustable
♦ Complete valves, fittings and all parts, Tri clamp/DIN Union available
♦ Sanitary level tube and valves for special request
We are a professional beer brewery equipment manufacturer with 20 years experience in China.
So far, we have provided good quality brewery systems for 2300+ breweries in 108 countries.
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And we got CE PED certificate, ISO9001 certificates as well as Factory Audit report by SGS and TUV.
There are also 80 technique design patents. Our engineer can also help to design the Floor Plan, Tank drawing and Flow Chart ect.
The open top fermentation tank is also designed for the fermentation of red wine, sake or other products that can be used for open fermentation.
If you have any questions or require further details, please do not hesitate to let us know.
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