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A pair of dry grinding attritors has been produced for a high-tech advanced materials company. The 30SD and 50SD attritors reportedly work in tandem for this customer, with one unit milling a dry powder for nano-sized particle reduction and then transferring the material to the other unit for complete and thorough dispersion and blending in a second-stage wet process. The dry powder material created in the 30SD is transferred via dry powder pump into the 50SD for this two-stage process.
Both attritors include a one-piece stainless steel tank cover with Meco shaft and a variable-frequency drive that is housed in a NEMA 4X/12 wash down duty enclosure. An LCD operator interface module displays the agitator RPM, motor AMPS and motor HP. The 50SD is powered by a 75 HP, TEFC inverter-duty motor while the 30SD has a 40 HP motor.
The mills are also equipped with a specially designed process control timer package according to the customer’s request, which includes a process run timer, temperature warning and cut-off switch, as well as cooling water flow sensors.
For additional information, visit www.unionprocess.com.