Grinding plant

Jehmlich REKORD 630-SSt

The impact mills of the REKORD 212-630 series in the welded housing design are robust universal mills for demanding industrial applications in continuous operation.

● Size: 630 mm (nominal rotor diameter)
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● Mill housing: Heavy-duty welded stainless steel housing, pressure surge resistant up to 10 bar (AISI316L), with product-contacting surface finish Ra ≤ 1.6 μm for easy cleaning, equipped with a pivoting door and safety interlock type HAAKE (key transfer system); monitoring of housing and bearing temperature, vibration monitoring
● Mill inlet: JACOB pipe; DN 150 mm
● Mill outlet: Ground material and air discharge downward into a suction hopper, optimized for connection to the conveying line to the total separator
● Mill drive: Belt drive, three-phase motor, energy efficiency class IE3 (manufacturer SIEMENS), 90 kW, 3~ 400 V, IP55; suitable for operation with frequency inverter
● Sealing materials: Silicone; PTFE, sealing material conforms to EU and FDA food hygiene standards
● Grinding elements: Pin rotor: 4 pin rows, pin Ø 7 mm (wear-reduced); Pin stator: 3 pin rows without external pin circle, pin Ø 7 mm
● Bearings: Designed for toughest operational demands in continuous industrial service, heavy-duty bearing housings with temperature and vibration monitoring (early detection of potential bearing failure and avoidance of hot surfaces)
● Inert gas supply/monitoring for shaft seal on product chamber side
● Run monitoring to detect operating faults
● Machine frame: The complete unit – mill, drive with motor, tensioning rails, belt drive, and belt guard – is installed ready for use on a sturdy machine frame with height-adjustable machine feet

Main components of the offered system include:
● Product feed/transfer from customer’s upstream process and transfer to a rotary valve (certified ATEX protection system);
● Industrial pin mill type REKORD 630-SSt with welded housing and ground surfaces;
● Product separator with discharge rotary valve (certified ATEX protection system);
● Pneumatic conveying line with air inlet/outlet, including suction blower;
● WITHOUT control system, without frequency inverter

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