As foundry sand preparation and molding plants become increasingly high-speed and quality-oriented, the control of return sand temperature is essential. the Wesman Simpson Multi-Cooler is specifically designed to provide the mixer group with sand that is cooled to temperatures that allow optimal mulling, premixed to eliminate return sand variations and with a moisture content controlled within tight tolerances. The result is optimal mulling and high-quality, profitable castings.
The mixer group can operate at optimal performance and efficiency when shakeout sand is continuously cooled, pre-mixed and the moisture is increased and stabilized within a narrow tolerance before final mixing.
(1) A sophisticated control system measures the temperature of the exhaust air and the conductivity of the retained sand to add precisely the required amount of water. This achieves the desired cooling and residual moisture content.
(2) Counter-rotating mixing tool sets mechanically fluidize the retained sand so that cooling air, provided by the inlet blower, and water can be in intimate contact with the sand; thus providing for efficient and effective cooling.
(3) Based on sensors monitoring motor load, the control system adjusts the discharge door opening to maintain a constant volume of sand in the cooler at all times.
Currently Wesman Simpson is manufacturing MC-25, MC-50, MC-100 and MC-150 in India and higher models are to be imported from Simpson USA. Wesman Simpson will provide all guidance and support for selection, installation, commissioning and after sales service.
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