Milk Fermentation Tank
Stainless Steel Dairy Fermentation Tanks for Yogurt, Kefir, Cultured Milk, and Probiotic Beverage Production
ZPET Milk Fermentation Tanks are designed for dairy processors that require hygienic construction, stable temperature control, gentle mixing, and scalable production capacity for fermented milk products. They are widely used in fermented milk beverage production, drinking yogurt lines, kefir processing, cultured cream manufacturing, probiotic dairy drinks, and functional dairy product development. With customizable capacities from 300L to 20,000L, food-grade stainless steel construction, heating and cooling jackets, low-speed agitators, and optional automation systems, these tanks help producers achieve consistent texture, balanced acidity, and reliable fermentation performance.



Key Features of Milk Fermentation Tank
Food-Grade Stainless Steel Construction
Made from SUS304 stainless steel as standard
Optional SUS316 stainless steel for higher hygiene and corrosion-resistance requirements
Non-reactive surface helps protect milk flavor, aroma, and nutritional value
Suitable for strict dairy sanitation and food-contact applications
Designed for long-term use in both startup and large-scale dairy processing plants
Precision Temperature Control
Equipped with heating and cooling jackets
Maintains accurate fermentation temperature for bacterial growth and activity
Supports more stable fermentation and repeatable product quality
Helps producers control texture, acidity, and culture performance
Suitable for products requiring tight temperature windows during fermentation and cooling
Gentle Mixing System
Uses a low-speed agitator specially designed for dairy fermentation
Helps prevent separation and sedimentation during processing
Protects milk proteins and live fermentation cultures
Improves uniform distribution of bacteria and ingredients
Suitable for yogurt drinks, kefir, cultured milk, and probiotic dairy formulations
Hygienic and Sanitary Design
Inner surface polished to ≤0.4 μm
Designed with no dead corners and easy drainage structure
Fully compatible with CIP (Clean-In-Place) systems
Helps reduce contamination risk and improve sanitation reliability
Supports compliance with international dairy hygiene and food safety standards
Specifications
Standard Technical Specifications
| Item | Specification |
|---|---|
| Capacity Range | 300L – 20,000L (Customizable) |
| Material | SUS304 / SUS316 Stainless Steel |
| Tank Type | Vertical / Horizontal |
| Temperature Control | Heating & Cooling Jacket |
| Mixing System | Low-Speed Agitator |
| Inner Surface Finish | ≤0.4 μm |
| Insulation | Polyurethane (Optional) |
Optional Configurations and Customization
Automated temperature control system for more stable fermentation management
PLC control panel for process monitoring and batch repeatability
Sampling valves for routine quality testing
Load cells for accurate volume measurement
Customized agitator design for different milk-based products
Optional insulation upgrade for stronger thermal efficiency
Key Advantages of Milk Fermentation Tanks
Consistent Fermentation Results
Stable temperature control and gentle mixing help ensure uniform bacterial activity, consistent acidity development, and repeatable product quality.
High Food Safety Standards
Food-grade stainless steel construction and CIP-compatible hygienic design support international dairy hygiene and safety requirements.
Improved Production Efficiency
Integrated fermentation, mixing, and temperature control help reduce manual intervention and simplify dairy production workflow.
Flexible Capacity Options
Available from 300L to 20,000L, these tanks support pilot-scale testing, medium-scale processing, and large-volume dairy production.
Milk Fermentation Process Overview
This controlled process helps ensure stable texture, balanced acidity, and probiotic effectiveness.
1. Milk Preparation
- Pasteurized milk enters the fermentation tank.
2. Culture Inoculation
- Lactic acid bacteria or selected cultures are added according to the target dairy product.
3. Temperature Control
- The tank maintains the optimal fermentation temperature for stable bacterial growth.
4. Gentle Mixing
- Low-speed agitation ensures even distribution of cultures and ingredients without damaging milk structure.
5. Fermentation Stage
- Milk thickens and acidity develops until the target product profile is reached.
6. Cooling and Storage
- The product is cooled at the target pH to stop fermentation and preserve texture and flavor.
Optional Automation and Smart Control
The Milk Fermentation Tank can be configured with different levels of control depending on production scale and process standardization needs.
Basic Manual Monitoring
Suitable for smaller dairy startups and pilot-scale production.
Automated Temperature Control
Supports:
stable heating and cooling control
improved fermentation consistency
reduced manual temperature adjustment
PLC Monitoring and Process Control
Supports:
process monitoring
batch record management
better repeatability
more efficient large-scale dairy production
Manufacturing and Quality Control
Each ZPET milk fermentation tank undergoes:
Precision welding and surface polishing
Leak testing and structural inspection
Passivation for corrosion resistance
Final quality control before shipment
This helps ensure durability, hygienic performance, and compliance with food-grade dairy processing standards.
FAQs - Common Questions
1.What products can be made in a milk fermentation tank?
These tanks are suitable for fermented milk beverages, drinking yogurt, kefir, cultured milk, probiotic dairy drinks, cultured cream, and nutritional dairy bases.
2. Why is low-speed mixing important in dairy fermentation?
Low-speed mixing helps distribute cultures evenly while protecting milk proteins and preventing separation or texture damage.
3. What capacity range is available?
ZPET milk fermentation tanks are available from 300L to 20,000L, with customization available for different projects.
4. Can these tanks support automated control?
Yes. Optional automated temperature control and PLC systems are available for stronger process monitoring and repeatable production.
5. Does ZPET provide technical support and customization?
Yes. ZPET provides custom tank design, layout planning, technical consultation, and after-sales support for dairy fermentation projects.
Milk Fermentation Tank Details
Why Choose ZPET Milk Fermentation Tanks?
1. 15+ Years of Fermentation Equipment Manufacturing Experience
ZPET has extensive experience in designing and manufacturing stainless steel fermentation tanks for dairy, beverage, brewing, and specialty processing projects.
2. High-Quality Food-Grade Stainless Steel Materials
We use durable, hygienic stainless steel and precision fabrication standards to ensure long service life and reliable dairy production performance.
3. Reliable Temperature and Mixing Systems
Our tanks are designed to provide the stable heating, cooling, and gentle agitation needed for consistent milk fermentation.
Trusted by 200+ Breweries & Beverage Brands Worldwide
From craft pioneers to global beverage leaders, we are proud to be the engineering force behind their success.
Your Partner from Business Plan to First Brew
Founded in 2004, ZPET (Jinan Innovative & Craft Beer Equipment Co., Ltd.) has evolved into a global leader in customized brewing equipment. We don’t just manufacture tanks; we engineer success. Our team of expert brewers and engineers works closely with you to provide 3D brewery layouts, customized technical drawings, and optimized flow charts that fit your building’s unique footprint. With over 200 successful installations worldwide, we understand the nuances of international brewing standards and local regulations.
3D Layout
Footprint, workflow, utilities, safety.
Technical Drawings
Nozzles, manways, piping, controls.
Flow Charts
Process clarity from mash to packaging.
5,000㎡ Digital Manufacturing Center: Precision Engineering at Scale
Our Expert Engineering Team: The Brains Behind the Brew
With a dedicated team of over 20 senior mechanical engineers and professional brewmasters, ZPET provides more than just tanks. We offer technical consulting, 3D brewery layouts, and customized engineering solutions tailored to your specific brewing goals.