Gold Ore Dressing Equipment
Gold ore dressing equipment (ball mill)
Gold ore dressing equipment (ball mill)
Shattered, through the re-election, the flotation, extracted from concentrate and tailings, again through chemical methods, finally after smelting, its product eventually become the finished product gold.
Gold ore dressing technology can understand for:
Undressed ore for the first paragraph broken into double vibrating screen after screening, upper products through again after middle product with broken with the second paragraph broken, the second paragraph product returns merger first paragraph crushing and screening crushing products.
The final product after sifting through the first paragraph for grinding and ball mill
Grade machine
gold mineral machineCompose constitute a closed-circuit grinding, its classification by hydrocyclone classifier overflow into the second period after grinding ball, and then again with hydrocyclone constitute close-circuit grinding.
Hydrocyclone overflow first, its foam products preferential floatation second choice, three selected eventually become preferential floatation concentrate product, via the tailing after one roughing, once selected, second choice, three times, once selected choose choose Saul, a selection of dont flow with a sweep of the tailings foam products into selected hydrocyclones together before the classification, reelection dont, second choice and a selected constitute a closed-circuit and sorting, three times with the second featured constitute selected closed circuit choose dont.
Breakage and grinding
Use more processing equipment
(jaw crusher), crushing by standard cone crusher is broken, and finely in USES short head type cone crusher and roll crusher. Medium and small choose gold is used mostly two period the closed-circuit broken, large choose gold by three period the closed-circuit broken process. In order to improve the yield and the equipment utilization coefficient, general follow much less concentrator, reduce grinding principle broken into grinding ore size distribution.
Re-election
Gravity separation is according to the mineral density difference, the method of separating the ore dressing method in contemporary occupies an important position. The main equipment is chute, wave bed, jig and short cone hydrocyclone, etc.
Gold ore dressing equipment flotation
Our 80% of the selected gold factory adopts flotation method selected gold, output to concentrate more colored smelter processing. Due to the increasingly desugarization by gold cyanide to development and enterprise to improve economic efficiency, reduce loss, in recent years concentrate transport products structure produced greater change, take in situ treatment (of course also due to the contradiction between the smelt problems and valuation, forcing mining on-site disposed of) prompted flotation process have larger development, choosing the gold production occupies a importance.
Turn choose
The current turn choose basically has mixed mercury law carry gold process and cyanide process mention gold process. Mix mercury law carry gold process is a kind of old mention gold craft, easy, and economic, suitable for coarse grained monomer gold recovery, but has a lot of pollution to environment, gradually be re-election, the flotation and cyanide process replaced carry gold process.
Cyanide process mention gold technologies include: cyanide leaching performace, leaching pulp washing filtering, cyanide liquid or pulp zhongjin extraction and cyanide to several basic product smelting process.
Gold ore dressing equipment smelting
Smelting is the last procedure of the extraction of gold, smelting with thick refined and refining the points. Gold smelting in China is developing very quickly, most USES the traditional crucible method is melting, produce and qualitative gold, or sent to non-ferrous metal smelter abstraction process finished gold.
by: zgxzenith
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