A commercial beer fermentation tank is an indispensable key equipment in modern beer brewing facilities. It is responsible for the fermentation process of beer in a controlled environment. The fermentation tank not only provides a stable fermentation environment but also plays a decisive role in the flavor, alcohol concentration, and carbonation of beer. This article will introduce what a commercial beer fermentation tank is and what its types are. Brewers can learn more about commercial beer fermentation tanks through these to meet the needs of commercial production.
Table of Contents
What are commercial beer fermenters?
Commercial beer fermenters are temperature-controlled vessels that provide optimal conditions for beer fermentation. During the fermentation process, microorganisms such as yeast or bacteria convert sugars into alcohol, carbon dioxide, and other compounds that give beverages their unique flavor, aroma, color, and texture.
Commercial fermenters enable large-scale beverage production and range in capacity from a few barrels to thousands of barrels. They are made of stainless steel or other approved materials to resist corrosion from acidic products. Fermenters can be customized with accessories such as temperature controllers, cooling jackets, valves, sampling ports, and CIP (cleaning in place) spray balls.
Key Functions of Commercial Beer Fermenters
Temperature Control
Fermenters can precisely regulate and maintain the desired temperature during the fermentation process to support optimal yeast activity. Temperature control is critical to the health of yeast, and different beer flavors and types require different fermentation temperature ranges. Too high or too low temperatures can lead to incomplete fermentation or produce unpleasant flavors. The cooling system includes cooling coils, cooling jackets, or external coolers to reduce the temperature of the fermenting liquid. The heating system includes heating jackets or hot water systems to increase the temperature of the fermenting liquid when needed.
Gas Management
Effective gas management not only maintains the stability of beer but also prevents excessive foaming and oxidation problems, thereby maintaining the flavor and quality of beer. Manage carbon dioxide and other gases produced during fermentation to maintain stable internal pressure. The exhaust valve can remove carbon dioxide produced during fermentation to prevent excessive internal pressure. The gas return system prevents external air from entering the fermenter to avoid oxidation and contamination.
Types of commercial beer fermentation tanks
- Vertical fermentation tank: The tank is placed vertically, with a narrow bottom and a wide top. It is usually made of stainless steel to ensure corrosion resistance and easy cleaning. The design is simple, suitable for most traditional fermentation needs, and relatively space-saving. The operation and maintenance are relatively simple, and it is easy to clean and inspect.
- Horizontal fermentation tank: The tank is placed horizontally, with a large bottom area. It requires a larger fermentation space, is suitable for long-term fermentation, and is more suitable for large-scale brewing.
- Pressure fermentation tank: The fermentation tank can withstand internal pressure and is designed with a stronger tank body. It is suitable for beer that needs to maintain a carbonized state and is often used for storage and secondary fermentation. It can effectively maintain the carbonization of beer and prevent gas from escaping. It is suitable for a variety of beer types, especially beer that requires high carbonization.
- Fermentation and storage integrated tank: The fermentation and storage functions are integrated into one tank, and the design is multifunctional. The fermentation, maturation, and storage processes are completed in one tank, saving space and time. It simplifies the production process and reduces the risk of loss and contamination during transfer.
Materials for Commercial Beer Fermentation Tanks
- Stainless steel: Stainless steel is the material of choice for many commercial breweries and professional homebrewers due to its durability, resistance to scratches and stains, and excellent temperature control. The smooth surface allows for easy cleaning and disinfection, reducing the growth of bacteria and contaminants. However, stainless steel fermentation tanks tend to be more expensive than other options.
- Glass: Glass fermentation tanks allow for a clear view of the fermentation process and are less prone to scratching and staining. However, they are more fragile than other materials, can break easily if not handled with care, and are more expensive.
- Plastic: Plastic fermentation tanks are lightweight, affordable, and easy to clean. However, they are more susceptible to scratches, which can breed bacteria and lead to contamination. They are not suitable for high-temperature fermentation processes and may deform or release harmful substances. In addition, some plastic fermentation tanks may not be as sealed as other fermentation tanks, making them less suitable for long-term storage or aging.
- Ceramic products: Ceramic fermentation tanks have excellent insulation and temperature control properties, making them ideal for fermenting lagers and other cold-fermented beers. They are heavy and harder to clean than other materials. They are more expensive to clean and more difficult to construct and maintain.
- Aluminum Alloy: Aluminum Alloy Fermentation Tanks Aluminum alloy is lighter than stainless steel, making it easier to install and maintain. Better thermal conductivity helps adjust the fermentation temperature more quickly. Aluminum alloys have poor corrosion resistance to acidic substances and may require additional coating or protection. Aluminum alloys are less durable than stainless steel and may require more frequent maintenance and replacement.
How to choose a commercial beer fermenter?
Capacity size
If you are a small brewery or craft brewery, you can choose a smaller fermenter (such as 500 liters to 2000 liters) for low to medium production. Medium-sized production facilities may require fermenters with a capacity of 2000 liters to 10,000 liters to meet medium-scale production needs. For large-scale industrial breweries, larger fermenters (such as 10,000 liters or more) are required to support large-scale production operations.
Temperature control system
For beer types with strict temperature requirements (such as Belgian beer, IPA, etc.), it is recommended to choose a fermenter equipped with a precise temperature control system, including heating and cooling functions. Modern fermenters are usually equipped with automated temperature control systems that can monitor and adjust the temperature in real-time. If the budget is limited, a manual temperature control system may be an option, but it requires more manual intervention.
Cleaning and maintenance
Manual cleaning is suitable for low-budget situations, but it requires more manpower and time for maintenance. Automated cleaning systems can save cleaning time and labor and ensure sanitary conditions.
Budget cost
Customized features and advanced automation will significantly increase the price. Prioritize the necessities before considering special additions. Consider economies of scale to achieve growth, rather than pursuing maximum capacity at the beginning. Choosing fermenters that are durable and easy to maintain can reduce long-term operating costs..
Supplier selection
Choose suppliers with a good reputation and rich experience to ensure equipment quality and after-sales service. Confirm the after-sales service and technical support provided by the supplier, including equipment installation, commissioning, and maintenance services. Micet Craft provides warranty services to ensure that equipment problems can be repaired promptly. Equipment operation training is also provided to help you better use and maintain the equipment.
FAQ
What is a commercial fermenter?
Commercial fermenters are key equipment used in commercial beer production for yeast to ferment wort and convert sugars into alcohol and carbon dioxide. They are usually made of stainless steel or other corrosion-resistant materials, with a sealed structure and temperature control system to ensure the stability and efficiency of the fermentation process.
What are the main functions of commercial fermenters?
Provide a controlled environment for beer fermentation, allowing yeast to ferment sugars in the wort into alcohol and carbon dioxide. Maintain the optimal temperature during the fermentation process through cooling and heating systems.
What is the price range of commercial fermenters?
The price range of fermenters varies depending on their capacity, material, additional features (such as temperature control, and cleaning system), and brand. Small fermenters may cost from a few hundred to a few thousand dollars, while large fermenters may cost tens of thousands of dollars.
How to ensure the quality of fermenters?
- Choose a reputable supplier: Choose a supplier with a good reputation and experience.
- Check certifications and standards: Confirm that the equipment meets industry standards and certifications (such as CE, and ISO).
- Request a site visit: If possible, visit the production plant to see the manufacturing and inspection process of the equipment.
Get a turnkey solution for brewery equipment
If you plan to open or expand the brewery, you can contact Micet Craft directly. Our engineers will design and manufacture brewery equipment according to your brewing process. Of course, we will also provide you with a complete turnkey solution. Also, if you plan to expand the brewery, we will provide you with customized solutions.