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Vertical Closed Bulk Milk Cooling Tank

Tankostroy
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Vertical Closed Bulk Milk Cooling Tank
The Closed Bulk Milk Cooling Tank is engineered for the reception, rapid cooling, and subsequent storage of milk at +4 °C. Its hermetic design eliminates contact with the external environment, ensuring product quality retention throughout the specified storage period. The body and internal surfaces are fabricated from AISI 304 stainless steel with thermal insulation, fully complying with dairy production sanitary requirements.
Key Features
  • Hermetic tank with service manhole: Prevents secondary contamination and evaporation while maintaining temperature stability.
  • Rapid cooling: Cools fresh milk from ~36 °C to +4 °C, followed by precise temperature maintenance.
  • Agitator: Ensures uniform cooling and prevents freezing on the tank walls.
  • Automatic Cleaning System (CIP): Features programmable wash cycles (alkaline/acid modes), significantly reducing daily maintenance labor.
  • Integrated automation/controller: Provides management and indication of operating modes (EVCO controllers on select models).
  • Thermal insulation: PU foam insulation ensures energy-efficient operation of the refrigeration circuit; supports outdoor installation.
  • Technological fittings: Ø 450 mm manhole with breather valve, DN40–DN50 butterfly valve, and a dipstick with a volume conversion table.
Volume Range
The "Tankostroy" model range includes capacities from 1,000 to 12,000 liters; volumes up to 40,000 liters are available for individual supply orders. Specific configurations and execution details are defined in the Terms of Reference (TOR).
Options and Configurations
  • "Two-milking" capacity (cooling performance for 50% volume in 3 hours at up to 25 °C ambient temperature).
  • Internal tank polishing.
  • Load cell weighing system.
  • Touchscreen control panel.
  • Outdoor insulation: PU Foam 100 with AISI 430/AISI 304 cladding.
Technical Specifications
  • External Cladding: AISI 430 stainless steel, 1.5 mm thickness.
  • Internal Vessel (up to 10,000 L): Flanged AISI 304, 2 mm thickness.
  • Internal Vessel (over 12,000 L): Flanged AISI 304, 3 mm thickness.
  • Control System: Cooler management based on a dedicated controller.
  • Thermal Insulation (up to 7,000 L): Polyurethane foam (PU), 30 mm thickness.
  • Thermal Insulation (8,000 – 15,000 L): PU foam, 40 mm thickness.
  • Thermal Insulation (over 20,000 L): PU foam, 50 mm thickness.
  • Supports: Stainless steel cradle with tank level adjustment.
  • Ladder: Reinforced stainless steel ladder/platform with perforation.
  • Outlet Valve: Stainless steel butterfly valve Ø 40-50 mm.
  • Manhole: Ø 450 (500) mm, AISI 304 stainless steel, equipped with a breather valve.
  • Agitator Drive: Reinforced shaft with gear motor, model NMRW50-NMRW63, power from 0.25 kW.
  • Washing Unit: Stainless steel tank washing apparatus, capacity 18,000 l/h.
  • Washing Logic: Automatic cleaning via a preset algorithm with stage adjustment capabilities.
  • Spray Heads: 360° rotary cleaning heads.
  • Piping: External washing pipeline made of AISI 304 stainless steel.
  • Measurement: Milk level dipstick.
  • Condenser: Air-cooled LH condenser.
  • Condenser Cleaning: Self-cleaning system activated during the tank wash cycle.
  • Pressure Control: High and low-circuit pressure equalization control system.