Chrome ore deposits are mined by both underground and surface techniques. most chrome ore must be processed by the chrome ore processing plants. the mainly chrome ore beneficiation method is gravity separation. so the mainly used chrome ore concentrating equipments are ore washbox (sometimes it is called jigger), concentrating table, spiral classifiers, etc.
Alluvial/sand Chrome ore processing plant▼
Feeding->washing->sieving->primary gravity separation -> 2nd stage gravity concentration->magnetic separation for upgrading
Chrome ore Feeding: can be vibration feeding machine, feeding hopper, belt feeder, wheel loader or excavator feed directly. Usually will make grizzly bar on vibration feeder or hopper to remove big waste stones firstly. Depends on process capacity to choose suitable chrome ore mining equipment.
Chrome ore Washing: the chrome ore washing machine is for washing clean the clay and mud in raw material, most popular used are chrome ore washing trommel scrubber and chrome ore washing trommel screen. Chrome ore trommel scrubber washer is for washing chrome ore raw material that with many sticky clay, chromite ore washing trommel screen is for wash chromite ore raw material that without much sticky clay. Depends on raw material conditions to choose suitable chrome ore washing equipment.
Rock type Chrome ore processing plant, the flowchart can be as below▼
Feeding-> crushing->grinding->primary separation -> final concentration-> upgrading
The feeding way, primary separation, final concentration and chrome ore refining process are almost the same as above
alluvial/sand chromite ore processing plant.
Below is the crushing and grinding stage descriptions for the rock chrome ore processing plant:
Crushing: for crushing the big rock chrome ore stone to smaller size before grinding.
crushers can be rough rock chrome ore jaw crushers, rock chrome ore fine jaw crushers, rock chrome cone crusher, rock chrome hammer crusher, or roller crusher rock, depends on the rockchrome ore feeding size and process capacity to use which kind of crusher.
Grinding: after crush the stone to smaller size, need to grind to power by chrome ore ball mill grinding machine or wet pan mill or other rock grinding machines, so the chrome concentrate can released out from stone. Then go to chrome ore separation machine and concentration machine.( chrome ore shaking table, chrome ore spiral chute, chrome ore jig separator,ect)
1. In crushing, it adopts traditional two-stage and a closed circuit system for ideal fineness. Besides, jaw crushers have large crushing capacity.
2. In grinding and classification, with characteristics of large processing capacity and small floor area, superfine lamination autogenous mill can save energy by more than 85%.
3. In classification, hydrocyclone and vibrating screen can enhance the classifying effects.
4. It adopts the third generation tailings dry stacking technology, which can save energy by 60-80%. Furthermore, it can also protect the environment and build a base for green mine.
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