ConviTec sand coolers CSK with innovative fluid bed process.
ConviTec sand coolers are used for economic and precise cooling as well as homogenization of hot used sand in continuous operation. ConviTec sand coolers ensure constant high quality of moist and cooled sand regardless of the inlet temperature of used sand. The coolers are proven and technically sophisticated as well as designed for three-shift operation.

A cooler consists of a vibrating conveyor with connected air box and permeable flow bottom made of special steel. The vibrating drive is ensured by unbalance motors or ConviTec directed exciters. Frequency converters ensure the optimum transport speed of the used sand. The fresh air ventilator produces the necessary cooling air. A stationary hood with integrated humidifier, temperature probe and humidity sensor complete the cooler. The freely programmable control is connected to a touchscreen as humidity measurement and regulating system and provides constant sand quality thus supporting the user especially at the beginning of production. Data acquisition and interfaces to communicate with superior systems are at your disposal for your operating data acquisition.

Due to the combination of linear vibrating movement and airflow and with the innovative fluid bed process ConviTec sand coolers generate a constant sand fluid bed even with different operating conditions and thus a constantly high sand quality with low variation and optimum mold properties.

  • Vibrating conveyor
  • Linear vibrating movement
  • Unbalance motors
  • Directed exciter
  • Drive shafts
  • Drive motor
  • Frequency converter
  • Vibrating hood
  • Stationary hood
  • Fresh air ventilator
  • Multi-leaf damper
  • False air flap
  • Water spraying
  • Compression springs
  • Control cabinet
  • PLC control
  • Sensor system (temperature, humidity, material flow, Vibration monitoring)
  • Transport used sand
  • Cool used sand
  • Homogenize used sand
  • Fluid bed cooling
  • Gentle transport
  • Reduces mixing times
  • Constant used-sand quality
  • Better cast quality
  • Fewer casting faults
  • Efficient cooling process
  • Energy saving operation
  • Automatic operation
  • Automatic operating data acquisition

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Sand cooler