KTI Falling Film Chiller for Aggregate Cooling (CAC-w)

KTI Falling Film Chillers (CAC-w), so-called Baudelot ice water coolers, are specially developed to cool even contaminated water efficiently, quickly and economically. The cooled water is then used to cool the aggregates accordingly. This takes place either on a so-called wetbelt (flooded conveyor belt) or in flooded silos.

The so-called aggregate chillers are designed in such a way that even contaminated water can be cooled down. It is therefore possible to let the water flow in a circuit, thus reducing the actual consumption to a minimum. The aggregates flow in the opposite direction to the water flow.

Efficient and stable operation is the top priority for the KTI Falling Film Chillers for aggregate cooling. The chillers can also be used to cool the mixing water for use in the actual mixing process.

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Plant information

KTI Falling Film Chillers for aggregate cooling (CAC-w) utilize the excellent properties of water and use it to cool aggregates used for temperature-controlled concrete production.

  • The avoidance or reduction of ice through the use of cold water for aggregate cooling is very efficient, as the water is kept in circulation and only needs to be cooled by a few degrees.
  • Cold water production can be in operation only during concrete production or can run continuously to provide cool make-up water.
  • The KTI Falling Film Chillers for Aggregate Cooling are specially designed for the requirements of the construction industry and can even contaminated water cool down.
  • The use of cold water lowers the temperature of the aggregates very quickly before feeding into the concrete mixer.

The most important details at a glance

< 2

°C Cold water

up to 45

°C Ambient temperature

up to 1500

kW cooling capacity

40

Foot ISO container

Your benefits from KTI Falling Film Chillers for Aggregate Cooling (CAC-w)

  • By including an aggregate cooling system, the overall system efficiency can be improved by up to 30 %.
  • Is used in the for years proven KTI design delivered in a 40-foot container.
  • Customer saves moneybecause the water added can also be cooled.
  • KTI Falling Film Chillers for aggregate cooling are economically viablebecause the customer needs less ice and thus saves electricity and water.
  • KTI Aggregate cooling can reduce the concrete temperature reduce even further than purely by adding cullet or slab ice.

Product details

Cooling capacity
700 - 1,500 kW
Water temperature
< 2°C
Refrigerant
Ammonia (NH3)
Certification
CE, UL, others possible
Compressor
Screw compressor, open
Condenser
Evaporative condenser
Evaporator
Stainless steel Baudelot ice water cooler
Operating mode
Flooded
Engine room
40-foot ISO container
Power supply
400 V/50 Hz / 3 phases, others possible on request
Ambient temperature
max. 45°C
Control
Siemens PLC, color touch screen
Execution
Standard or tropical

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Complementary products

Ice water chiller plant

KTI Ice Water Chiller Plants serve as the basis for cooling concrete. 

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Containerized Water Chiller Plant

KTI containerized water chiller plants are used in the cooling of concrete to provide addition water at 3 – 5 °C.

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CombiMaster

The KTI – SAUTER CombiMaster is used when the fresh concrete has to be heated in winter before processing and cooled in summer.

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Cold Air Plants for Aggregate Cooling

KTI cold air plants are specially designed to cool large quantities such as gravel and other aggregates efficiently, quickly and economically during concrete production.
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Project consulting​

Our experts will be happy to support you in the planning and implementation of your project.