Secondary Fine Jaw Crusher for Basalt and Granite Crushing Quarry
Measurement of the crusher s closed side setting varies depending on the jaw profile that is being used and has an impact on the crusher s capacity and product gradation The following factors will enhance crusher capacity and performance 1 Proper selection of the jaws 2 Proper feed gradation 3 Controlled feed rate 4
Using a noise monitoring station in a small quarry located
Figure 2 shows that the highest noise levels were measured in points P4 P5 and P7 which are closer to the quarry sometimes exceeding the 55 dB A limit established for residential areas during daytime It is possible to hear among urban noise equipment operating in the quarry at these three points Point P5 in front of the closest residence to the quarry is