Screening used Concrete recycling line Vibrating screen is main equipment in Separation system,which is a kind of new screening equipment, the vibrating track is a circle, and it is designed for especially screening stone stock of quarry, and also for classifying products of such departments as Concrete recycling, quarry processing, building materials, electricity and chemical industry, etc. The screening line of materials is long, the screening specifications are diverse and different ... Read More

This job is normally done by the crusher operator, but may be done by other occupations. Crusher operators must protect themselves, and other people in the area, from accidents and injuries resulting from operation of the crusher and associated equipment. There are several different types of primary crushers, however, there are many similarities in the job procedures followed by crusher operators. Crushing is the first step in converting shot rock into usable product ... Read More

A Nigeria quarry operator produces aggregates for use in road base, concrete and asphalt from granite.

This operator has a original two stage crushing plant which consists of a primary (600×900mm) 24×36″jaw crusher, two secondary (300×1300mm) 12×51″ finer jaw crusher.

The most popularly required sizes of Aggregate in the market are 0~3/16″ (stone dust), 3/16~1/2″, 1/2~3/4″ and 3/4~1″. In this fines requirement, the operator only get 60~70 tons of Aggregate pe ... Read More

Wallbridge Mining has completed the delivery of 30,500t of material from its Broken Hammer platinum-palladium-copper deposit to Xstrata's Strathcona mill in Sudbury, Canada for processing.

The material will be processed in the next month, to determine the metallurgical recoveries and allow for final determination grade, mining dilution and fines losses.

& ... Read More

There are two main ways of making natural aggregates: by crushing hard rock or by processing sand and gravel. These methods are different and are explained below.

Hard Rock Quarrying  Equipment
Before hard rock can be removed, the overlaying topsoil and 'overburden' (weak or weathered rock) must first be put to one side to expose the fresh, hard rock underneath. This first stage of quarrying is called 'stripping'.
Related: gravel production line
The fresh ... Read More