Roller Mill 250.3
Designed to grind brittle to hard products to a narrow particle size distribution with minimal dust content.
The 250.3 series of one- two- and three-stage roller mills offers:
- A continuous gap monitoring and adjustment system (patented)
- High throughput
- Dust-tight design
- Minimal mechanical impact and temperature increase of product
- Efficient energy initialization
- Low space requirement
- High durability of rolls
- Easy access to all machine components
- Easy roll exchange, low maintenance effort
- Automatic gap control during the operation of the machine including:
– Zero gap adjustment of the roll gap – Automatic opening of the roll gap to working width – Roll wear compensation – Adjustment of the rolls for parallelity – Compensation of roll expansion due to thermal influences
- Optimal roll protection against foreign particles includes in the feed-stock
- Direct roll drive via universal shaft and spur gear
- Infinitely variable rpm
- Dust-tight grinding chamber
- Sampling sockets in each passage
- Roll diameter: 250 mm
- Roll length: from 500 to 1,500 mm
- Drive Power: 22 kW to 30 kW
- Product specific feed units
- Stainless steel for product contact parts
- Aspiration connections
- Temperature monitored roll bearings
- Automatic roll bearing lubrication
- Vibration monitoring
- Potential compensation against static charges
- Product specific roll materials and corrugations
- Water cooled rolls
- Inertization of the grinding chamber drive
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