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The difference between the Glycol Water Tank (GWT)& Cold Water Tank (CWT)

Views: 0     Author: Site Editor     Publish Time: 2022-03-12      Origin: Site

What exactly is the difference between the Glycol Water Tank (GWT)& Cold Water Tank (CWT)? How do we make choices as a brewer?

Cold liquor tanks. Cold water does not contain alcohol. This means that the temperature of the liquid in the tank is maintained above freezing. Set the temperature according to the brewing process requirements. The main sources of these water are tap water, ro water, etc. that can be used for brewing.

Glycol water tank.The biggest difference between the GWT and the CWT is the liquid inside. The main component is a mixture of tap water and ethanol or propylene glycol, which is expensive. The function of alcohols is to lower the freezing point, so that the working temperature of the glycol is generally maintained at about minus three degrees to minus five degrees.It cannot be in direct contact with wort, and cannot be used for brewing. It can only be circulated in the glycol tank and pipeline.


How to choice the Glycol Water Tank (GWT)& Cold Water Tank (CWT) when you plan to order the beer brewing equipment?

Both can be used as cooling tanks, during design the brewery, you could decide whether to use it or not after full consideration according to the project budget, room space and brewing process design.

1.        The chiller unit cools the liquid in the glycol tank.

2.        The glycol tank is use to cool the fermentation tank and the cold water tank.

3.        The liquid in the cold water tank is mainly used to cool down the beer wort. After go through the plate heat exchanger which located at brewhouse, the cold water is heated to more than 80 degrees by hot wort. The heated water will recycle into the hot water tank for the next batch of brewing work or other cleaning work.

4.        If only use cold water to cool the wort is not enough, the glycol tank can also be used for secondary cooling.

In order to avoid the burden on the cooling system due to excessive heat exchange power in the process of cooling the wort at the plate heat exchanger, which will affect the fermentation temperature control, CWT can be used as a buffer tank to receive the heat and keep the glycol tank running at lower temperature.

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