At this site in county Meath, Ireland a Powerscreen 1150 Maxtrak crushed Limestone and Shale. This product was being taken from the crusher to a wash plant via a loading shovel.
Set at 19mm CSS
Feed size: 8 inch (200mm) – 10 inch (250mm)
Running at 1800rpm
Running 10 hours per day
Producing 170 tonnes per hour
Fuel Consumption: 37 Litres/hour
As stone in the feed material was a mixture of Limestone and Shale, operators said that this stone was hard and difficult to crush from previous experience. Also as it was being dug from the ground, the feed material was dirty and contained a lot of fines material.
As stated above the product from the cone was taken to a wash plant where the customer was producing 6 final products in total:
505 product (20-40mm stone)
2-5mm coarse sand
0-2mm fine sand
20mm final product