The cobblestone is a pure natural stone which like goose egg. It is taken from the sandstone mountain produced by the ancient riverbed uplift after the crustal movement thousands of years ago. It has experienced continuous crushing and friction durin...

As one of the important raw materials for alkaline refractories, dolomite is second only to magnesite, mainly used in steelmaking converter lining, open hearth furnace, electric furnace wall, and secondly used in furnace refining equipment and cement...

The construction of high-speed railway puts high demands on the aggregate shape and gradation of concrete aggregates, especially the pin-like content in basalt (diabase) gravel. The previous simple cone crusher or impact crusher process can not meet...

Basalt is a basic eruptive rock with chemical composition similar to gabbro or diabase. The SiO2 content is between 45% and 52%. The hardness is relatively high and the processing is difficult. The process design of basalt crushing production line is...

Stone materials used in railway projects, when calculating the mix ratio, the common particle size of gravel aggregates are: 5mm, 10mm, 16mm, 20mm, 30mm, 31.5mm; the rock crusher for railway projects is common with jaw crusher, cone crusher, impact c...

1. appearance Mechanism sand is the sand-gravel material obtained after professional sand making machine crushing. It has the characteristics of sharp edges, needle-like shape and roughness compared with natural river sand. 2. robustness and durabili...