The gravity separation process create a comfortable loose layer and separation condition in virtue of integrating the media fluid and all kinds of mechanical force to obtain different density and diversity size particles process . As the density of gold mineral is much bigger than gangue mineral , for the gold mine which has gold particles should use gravity separation process.
Generally , that includes grinding , screening , des-liming and grading , grinding and screening are processes to grind the pulp with gold and screen the gross gravel which without gold , the main equipment are round screener and vibrate screener etc .
Des-liming is a process to wash away the fine pulp that will influence the grading , the main equipment include different specification of des-liming hoppers , to separate gulch-gold , The seperation of gold is usually a combination of several gravity equipment , like chute, jigger , pulsating chute , spiral classifier , shaking table , centrifugal separator and cone separator etc .
Gulch-gold separation divides into gold dredger and fix ore washer.
vein gold deposit gravity process
Vein gold deposit gravity process is the most effective method for flotation and before or after leaching recovery the monomer particles . This will increase the recovery and simplifier the process .
Many experiences show that : de-ironing separator + jigger + shaking table + concentrate box with inclined tube , this integration system has the high recovery , stable operation , jigger install normally between ball mill and classifier as rough separation equipment , ball mill spigot transport to jigger , the heavy mineral separated transport to shaking table for re-screen , the light mineral auto flow to classifier . Finally , the gold brut grade could reach 40-45%，that could be smelting directly pur gold . In this disposition , jigger reflect “ recycle as soon as possible “, that is in favor of gravity process and recovery , centrifugal machine and shaking table this disposition is widely applicated in gold dressing plant .
Follow is the flowsheet
gravity process is a traditional and basic method to separate gulch-gold , and it`s the most effective process before flotation or after leaching monomer separated gross gold particles in flotation process.
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