Editorial Technical Reference

Industrial-Scale Yogurt Fermentation Tank

This page explains how Industrial-Scale Yogurt Fermentation Tank is classified within Manufacture of Dairy Products. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Temperature-controlled stainless steel vessel for large-scale yogurt fermentation.

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Product Specifications

Technical details and manufacturing context for Industrial-Scale Yogurt Fermentation Tank

Definition
The Industrial-Scale Yogurt Fermentation Tank is a specialized stainless steel vessel designed for the controlled fermentation of yogurt cultures in large batches. It is a critical component in dairy processing lines, enabling manufacturers to produce consistent, high-quality yogurt at scale. The tank features precise temperature control and agitation systems that maintain the optimal environment for bacterial culture growth, ensuring uniform fermentation throughout the product mass. Constructed from AISI 316L stainless steel, the tank offers excellent corrosion resistance and durability, with food-grade silicone seals and polyurethane insulation to maintain thermal efficiency and hygiene standards. The working capacity ranges from 5,000 to 30,000 liters, accommodating various production volumes. The temperature range of 4–60°C allows for different yogurt types, while the agitation speed of 10–120 RPM ensures gentle mixing without damaging the culture. Heating power of 30–150 kW supports temperature maintenance, and the pressure rating of 0.3–0.5 bar (per GB 150) ensures safe operation. The insulation thickness of 50–100 mm reduces energy consumption, and the surface finish of 0.4–0.8 μm Ra (per ISO 4287) facilitates cleaning and sanitation. The tank operates at a pressure of 0.1–0.3 MPa (per GB 150) for CIP and gentle overpressure, with a power supply of 380/50 V/Hz (per IEC 60038). The weight ranges from 1,500 to 8,000 kg depending on capacity and configuration, and the IP rating of IP54–IP65 (per IEC 60529) protects against washdown environments. This equipment is intended for professional dairy processing facilities. All specifications are reference ranges and must be verified with the legal manufacturer or supplier for specific models and applications.
Working Principle
The fermentation tank maintains a controlled temperature, typically between 40–45°C, which is optimal for the growth of yogurt cultures. Gentle agitation is provided to ensure uniform fermentation throughout the yogurt mass, preventing localized temperature variations and promoting consistent texture and flavor. The tank's design includes a heating system and insulation to sustain the required temperature, while the agitation mechanism operates at speeds of 10–120 RPM to mix the culture without causing mechanical stress. The working principle relies on precise environmental control to support the biological activity of the cultures, ensuring reproducible results across batches.
Common Materials
AISI 316L Stainless Steel, Food-Grade Silicone Seals, Polyurethane Insulation
Technical Parameters
ParameterTypical rangeNotes & selection driver
Working CapacityRequired5000–30000 litersMaximum volume for fermentation process
Temperature RangeRequired4–60 °COperational temperature span for different yogurt types
Agitation SpeedRequired10–120 RPMRotational speed of internal mixing mechanism
Heating PowerRequired30–150 kWElectrical power input for temperature maintenance
Pressure Rating0.3–0.5 barMaximum internal pressure during operationGB 150
Insulation Thickness50–100 mmThermal insulation layer thickness for energy efficiency
Material Grade304/316L316L for corrosion resistanceASTM A240
Surface Finish0.4–0.8 μm RaFood-grade polish, easy to cleanISO 4287
Operating Pressure0.1–0.3 MPaFor CIP and gentle overpressureGB 150
Power Supply380/50 V/HzThree-phase, other voltages on requestIEC 60038
Weight1500–8000 kgDepends on capacity and configuration
IP RatingIP54–IP65For washdown environmentsIEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Stainless Steel Tank Body Part
    Primary containment vessel for yogurt fermentation
    Material: AISI 316L Stainless Steel
  • Temperature Control System
    Maintains precise fermentation temperature through heating elements and sensors
    Material: Stainless Steel with PTFE Coating
  • Agitation Mechanism
    Provides gentle mixing for uniform fermentation
    Material: Food-Grade Stainless Steel
  • Insulation Layer Optional Part
    Reduces heat loss and improves energy efficiency
    Material: Polyurethane Foam
  • Sanitary Manway
    Provides access for cleaning, inspection, and maintenance
    Material: Stainless Steel with Quick-Release Clamps

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Industrial-Scale Yogurt Fermentation Tank.

Yogurt Fermentation Vessel Industrial Yogurt Incubator Bulk Yogurt Fermenter Dairy Culture Tank

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-1.5 bar (operating), 0-3 bar (pressure test)
flow rate: N/A (batch process)
temperature: 20-45°C (fermentation range), 0-95°C (cleaning/SIP range)
slurry concentration: Up to 40% total solids (typical dairy cultures)
Media Compatibility
✓ Dairy cultures (lactobacillus, streptococcus) ✓ Probiotic formulations ✓ Plant-based yogurt alternatives
Unsuitable: Highly acidic environments below pH 3.5 (accelerates corrosion)
Sizing Data Required
  • Daily production volume (liters/day)
  • Fermentation time requirement (hours)
  • Available floor space and ceiling height

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Microbial biofilm accumulation
Cause: Inadequate cleaning procedures or CIP system failures leading to persistent bacterial colonies on tank surfaces, which can contaminate batches and corrode stainless steel through microbiologically influenced corrosion (MIC).
Agitator seal failure
Cause: Wear from continuous operation, thermal cycling, or improper lubrication causing leaks that introduce contaminants or compromise sterile conditions, often accelerated by abrasive particles in the yogurt mixture.
Maintenance Indicators
  • Unusual vibration or noise from agitator assembly indicating bearing wear or imbalance
  • Visible pitting, discoloration, or milkstone deposits on interior surfaces suggesting corrosion or inadequate cleaning
Engineering Tips
  • Implement predictive maintenance using vibration analysis on agitator bearings and motor, and ultrasonic testing for early detection of seal leaks before catastrophic failure.
  • Establish rigorous validation of CIP (Clean-in-Place) cycles with regular ATP swab testing to ensure biofilm removal, and apply passivation treatments annually to maintain stainless steel corrosion resistance.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/NSF 2-2020 - Food equipment CE - Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Surface finish: Ra ≤ 0.8 μm
  • Weld seam alignment: ±0.5 mm
Quality Inspection
  • Pressure test: 1.5x operating pressure for 30 min
  • Surface roughness verification with profilometer

Manufacturers of Industrial-Scale Yogurt Fermentation Tank

Manufacturer profiles associated with Industrial-Scale Yogurt Fermentation Tank.

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Frequently Asked Questions

What is the typical working capacity of this fermentation tank?

The working capacity ranges from 5,000 to 30,000 liters, depending on the specific model and configuration. Always confirm the exact capacity with the manufacturer for your intended production scale.

What materials are used in the construction?

The tank is made of AISI 316L stainless steel, with food-grade silicone seals and polyurethane insulation. These materials ensure corrosion resistance, hygiene, and thermal efficiency.

What temperature range can the tank maintain?

The operational temperature range is 4–60°C, allowing for different yogurt fermentation profiles. The typical fermentation temperature is 40–45°C, but the system can be adjusted as needed.

What standards are referenced for pressure and safety?

The pressure rating and operating pressure reference GB 150, a Chinese pressure vessel standard. The surface finish references ISO 4287, and the power supply references IEC 60038. These standards are for verification; compliance must be confirmed with the manufacturer.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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