DEGONG Customized Fermentation Tank Solutions

The Core Role of the Fermentation Tank in Beer Brewing

The true "stage" for beer flavor development is not in the mashing equipment, but in the fermentation tank. Yeast completes the conversion of mashed beer into beer within the fermentation tank—this is the core step determining key indicators such as aroma, body, foam, and taste.

The importance of the fermentation tank is reflected in:

1. Controlling the fermentation environment for optimal yeast performance

Precise and stable temperature

Controllable pressure

Maintaining oxygen levels within an appropriate range

Avoiding external contamination

A favorable environment allows yeast to produce a purer beer and richer aromas.

2. Enhancing the complexity and stability of beer flavor

Controlling the formation of esters, alcohols, and byproducts

Improving the purity of beer aroma

Reducing undesirable flavors (DMS, sulfur, aldehydes)

3. Improving efficiency and production capacity

Modern fermentation tanks can be monitored continuously 24 hours a day

Shortening the fermentation cycle

Large single-tank capacity and low operating costs

Therefore, a high-quality fermentation tank directly determines the economic benefits and product quality of the entire brewery.

Structural Features of Modern High-Quality Fermentation Tanks

Our fermentation tanks are all constructed from food-grade stainless steel, incorporating an internationally popular conical bottom structure (60° cone angle). The inner walls are mirror-polished for easy cleaning and to reduce bacterial colony adhesion. The main structural features include:

1. Tank Material and Inner Wall Polishing

Material: SUS 304 or 316L, meeting food-grade standards.

Inner walls are polished to Ra0.4μm for enhanced hygiene.

Welding utilizes fully automated argon arc welding to ensure strength and sealing.

This high-hygiene design minimizes the risk of contamination.

2. Cooling Jacket Design (Multi-zone Cooling for Greater Precision)

Fermentation tanks typically include:

Upper Conical Cooling Jacket

Middle Cooling Jacket

Lower Conical Cooling Jacket

Through zoned control, the temperature can be precisely adjusted according to the yeast fermentation stage, resulting in a more uniform temperature gradient and preventing localized overheating or cooling.

3. Conical Bottom Design (Optimal 60° Angle)

Easy for yeast settling

Convenient for yeast collection and recycling

Reduces dead zones and avoids residue

Easier for cleaning, wastewater discharge, and continuous production.

4. Top Structure

Exhaust valve

CIP rotating spray ball

Manhole (top or side)

Pressure safety valve

This design ensures a safe, hygienic, and controllable fermentation process.

Fermentation tanks are the heart and soul of the beer brewing process. With their precise temperature control systems, scientific structural design, high-level hygiene performance, and intelligent management, they are helping an increasing number of breweries improve product quality, increase production efficiency, and achieve factory automation upgrades. As a professional beer equipment manufacturer in China, we provide complete fermentation tank solutions for everything from small craft breweries to large industrial breweries, helping our clients build stable, efficient, intelligent, and modern beer production systems.