Milk Batch Type Pasteurizer

Milk Batch Type Pasteurizer

The Milk Batch Type Pasteurizer is a highly efficient, hygienic solution designed for small to medium-scale dairy processing units. Ideal for milk heating, pasteurization, and cooling, it ensures precise temperature control and uniform heat distribution to maintain product quality and safety. Built with high-grade stainless steel and equipped with user-friendly controls, this system supports various capacities and complies with food safety standards. It is a reliable choice for dairy producers seeking consistent performance and cost-effective operations.

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Components of a Typical Batch Pasteurizer Plant

  • Pasteurization Tank
    • Usually stainless steel, jacketed, insulated.
    • Capacity can range from 50 liters to 5,000 liters.
    • Equipped with agitators for uniform heating.
  • Heating System
    • Steam or electrical heaters.
    • Temperature control unit to precisely maintain required pasteurization temperature (usually 63°C for 30 minutes or 72°C for 15 seconds for HTST).
  • Cooling System
    • Cold water or chilled water system to rapidly cool milk post-pasteurization.
    • Control Panel
    • Digital or analog.
    • Programmable logic controllers (PLC) for automated monitoring of temperature, time, and alarms.
    • Pipelines & Valves
    • Hygienic-grade stainless steel.
    • Includes inlet/outlet valves and cleaning ports (CIP — Clean-In-Place).

Working Principle

  • Filling

    Raw milk is loaded into the pasteurizer tank.

  • Heating

    The milk is heated to a specific temperature (usually 63°C for traditional batch pasteurization).

  • Holding

    The milk is held at that temperature for a set duration (typically 30 minutes).

  • Cooling

    After the hold time, the milk is quickly cooled to 4°C.

  • Discharge

    Pasteurized milk is ready for storage, packaging, or further processing.

Advantages

Lower initial cost compared to continuous HTST (High-Temperature Short Time) plants.

Easier to maintain and clean.

Suitable for smaller dairy operations, artisan producers, or farms.

Flexible for small batches or specialized dairy products like yogurt, cheese, and flavored milk.