subject: Primary Crusher [print this page] Primary Crushing Primary Crushing
Trucks with a capacity of up to 50 tons haul rock from where it is blasted and loaded by hydraulic shovels to the primary crusher. For scale note man in the window of the control room (left).
Rocks up to 5 feet by 4 feet by 4 feet in size enter the primary crusher which reduces the size to 12 inches or smaller. Water is sprayed to reduce dust. Water is conserved and recycled in the mining and washing operations.
The primary crusher in this quarry was initially located on the surface. As the quarry was deepened, the primary crusher was relocated to the bottom of the quarry to minimize noise.
The yellow device (left and below) is used to reduce the size of oversize rock so that it will enter the primary crusher. The yellow devise is also used to open rock jams in the bin above the narrow opening to the primary crusher. A detail view of rock entering the primary crusher is shown below.
The primary crusher crushes more than 1.5 million tons of stone per year. This is enough crushed stone to make 60 miles of road or 5,000 homes. The primary crusher and related equipment cost several million dollars.
Process water from washing the rock here and the sizing plant, and from rainfall is gathered at the lowest point (sump) in the mine.
primary crusher
Primary Crusher Equipment
Jaw crusher can handle raw feed material of up to 650 mm In size, So jaw crusher always as primary crusher. Jaw Crusher is mainly used to crush kinds of mining stones primarily and the largest compression resistance of the material to be crushed is 320MPa. The jaw crusher is widely used in mining, metallurgical industry, building material, highway, railway and chemical industry.
Primary Crusher Manufacturer
Zenith offers bare jaw crusher units, modular and portable jaw crusher assemblies and entire crushing plants. Zenith has many branches all over the world such as Brazil office, India office, Nigeria office, etc. Contact Zenith for your jaw crushing needs
