Cooling fermentor is widely used in pharmaceutical, beverage, fine chemical, brewing, bioengineering and other industries. It is a kind of mechanical stirring and fermentation equipment for materials. In the production, the cleaning of fermentation tank is a big question. In the brewing and beverage industry, the cleaning is usually done by automation to a large extent. The following is a brief introduction to the common cleaning methods of cooling fermentation tank

The commonly used cleaning methods for cooling fermentation tank can be divided into physical cleaning and chemical cleaning. Physical cleaning refers to the use of the impulse and pressure generated by cleaning equipment for cleaning, while chemical cleaning refers to the use of cleaning fluid for cleaning. The chemical cleaning of fermentation tank can be divided into cold cleaning and hot cleaning according to the cleaning temperature; Cold cleaning refers to room temperature cleaning and hot cleaning refers to heating cleaning; Such as in accordance with the type of cleaning agent can be divided into acid cleaning and alkaline cleaning

Cold cleaning and hot cleaning of cooling fermentor: cold cleaning method is usually used in large fermentor, but it is difficult to clean large fermentor equipment. Although the hot cleaning method can save time and the use of cleaning liquid, for the sake of operation safety, cold cleaning method is commonly used in large fermentor. The advantage of thermal cleaning (heating) method is that it can save the time of cleaning and the use of cleaning solution. The residual dust of fermentation tank at higher temperature is also relatively simple to be cleaned. Thermal cleaning method is usually used in small fermentation tank.

Acid cleaning and alkaline cleaning of cooling fermentation tank: acid cleaning is usually used to remove inorganic pollutants in the fermentation tank, mainly to remove substances generated in the system, such as calcium salt, magnesium salt, beer stone, etc. Alkaline cleaning is usually used to remove organic pollutants in fermentation tank, such as yeast, protein, hop resin and so on.

No matter which cleaning method is used in fermentation tank, the tank body shall be clean and clean after cleaning, without residue, so as to ensure the safety of material production. Therefore, the cleaning of fermentation tank is of great significance to the production of materials.

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