Operating the main crusher, monitoring and pulling stuck boulders for a free flow, and taking care of maintenance work. This task involves lifting heavy parts and pulling boulders from the chute.
Repair and Maintenance of the Main Crusher
Frequent shut down of the crusher occurs during operation and heavy parts are removed and fixed during this activity. This task is usually done as group work.
After the trucks deliver the boulders on to the collection pit, the spilled boulders are collected and dumped back to the pit.
Leveling the Boulder Collection Pit
Boulders are dumped onto the collection pit by trucks and the heap of boulders are leveled over the pit in order to have uniform entry into the main crusher.
The main crusher is cleaned at two stages. First, when quarry dust is collected during crushing from the pit below and the second to remove the falling and struck boulders from the pit below the main crusher. While collecting the dust from below the crusher, the workers are exposed to the highest and most hazardous concentrations of dust. Often women conduct this activity.
The role of the tally clerk is to document the number of lorries dumping boulders into the pit. The clerk must remain at his post for the entire shift (usually 12 hrs) and a rest shed, as shown below, is provided for him. There is frequent movement for him in order to collect information when trucks arrive.
Regular and shut down maintenance work is carried out on crushers, conveyors and other machineries, during which workers are employed to do work from heights, in cramped spaces, and hazardous locations.
Cleaning the sites, including the removal of quarry dust and other debris and their transport to a dumping site about 200m away. Cleaning work also is involved in sieving the dust.
Introduction to Dolomite
Dolomite crystal belongs to carbonate mineral of trigonal series, including iron dolomite and manganese dolomite. Its crystal structure is like calcite, and is usually rhombohedral.Dolomite is mainly composed of calcium carbonate and magnesium carbonate. This stone appears to be very close to limestone in appearance. In fact, dolomite is often found in areas where limestone deposits are found.Dolomite can be widely used in building materials, ceramics, glass and refractories, chemical industry and agriculture, environmental protection, energy conservation and other fields.Moreover, the production of Dolomite ore in China is very large, which can not only meet the needs of relevant industrial production, but also has been exported abroad, and shows a good development trend.
This project is located in the Malay nicaea, mobile crushing mainly for the production of architectural sand aggregate screening system, the project by my company with Singapore T joint implementation process design, equipment manufacture, system installation and debugging, the system training delivery operation, this project because of considering the customer's periodic construction, at the same time in order to improve the efficiency of system installation, saving the cost of investment, the system is broken unit and screening unit adopts the tyre mobile solutions.Because the material source of the project is coarse aggregate produced by the original mine jaw broken by the customer, the project is designed with two-stage crushing and screening sections of medium and fine crushed cone, and equipped with vehicle-mounted container centralized control room.
Customer demand: 200 tons per hour
Components: vibration feeder, jaw crusher, impact crusher, circular vibrating screen, belt conveyor and other related equipment.
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