Ice Accumulation Tray – RIS AG series

Ice Storage Units
Glycol-water or direct expansion systems cooling water to +1°C while storing refrigeration energy in the form of ice.

  • Clear water at +1 °C
  • Stores cooling capacity for peak demand
  • Handles hot returns at the beginning of a cycle
  • Stores energy at lower cost, either via direct expansion or glycol water
  • Available with or without a refrigeration unit
  • One-piece tank, ready to connect
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Applications

  • Cooling of autoclaves, mixers, kettles, and double-jacketed tanks
  • Vegetable washing
  • Cooling of potable city water for food use
  • Cooling of various heat exchangers

Principle
The energy required for process cooling is pre-stored in the form of ice before the temperature drop cycle begins.

  • Rapid cooling thanks to the ability of stored ice to absorb a high cooling load at the start of the cycle.
  • Flexible operation since ice melts on demand, matching the cooling requirements at different stages of the cycle (high at the start, low at the end).
  • Continuous production of +1°C water ensured by forming ice around stainless steel tubes, eliminating the risk of ice buildup inside exchangers—a common cause of total refrigeration unit failure with traditional water coolers.
  • Independence from the refrigeration unit, as return water temperature and cooling water flow rate are fully decoupled (accepts high return temperatures).
  • Energy optimization: cooling production and storage can be shifted to off-peak hours to lower electricity costs or spread consumption.
  • Reduced maintenance costs, approximately half that of conventional water coolers on the market.

Technical Features

  • Polyester tank insulated with polyurethane foam
  • 316L stainless steel grid-type heat exchanger
  • Exchanger with glycol water at –8°C or with refrigerant gas in direct expansion
  • Regulation solenoid valve (glycol-water version) or thermostatic expansion valve (direct expansion version)
  • Chilled water distribution pump with safety bypass, flow adjustment valve, and pressure gauge
  • Agitators
  • Drain valve and overflow protection
  • Automatic water refill
  • Loop return connection point
  • Inspection hatches
  • Power and control electrical cabinet
  • Refrigeration unit available on request
  • Optional frost protection for the pump

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