Cone crusher used in M sand making line

06/06/2014 Auto Parts & Accessories

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It has been found preferable to use a depth of top section of ore about 6-12 inches for each successive leaching operation. A laboratory analysis is first made of the ore by the use of grab samples to determine the approximate ratio of leaching agent to ore necessary.Adequate water must be present to insure optimum leaching conditions,<a href="">m sand machine</a>. Water must be added if the ore lacks sufiicient moisture or if the leaching solution is not sufliciently dilute to supply the necessary water.

' Stirring the section of the pile being leached is highly important to the process. This insures that the leaching solution does not percolate below the top section being leached and, more importantly, it insures good contact of the ore with the leaching agent. Stirring can be accomplished with conventional equipment, such as,<a href="">cone crusher for sale</a>, a harrow, cultivator type instrument, etc. This stirring step exposes the ore to air for oxidizations which is beneficial to the recovery of metal values in a reduced state.

It is important that the proper amounts of moisture and leaching agent are maintained in the ore at all times and that both be uniformly distributed throughout the ore. The approximate amount of leaching agent is ascertained in advance by laboratory tests. The progress of leaching can be determined by analysis of grab samples and additional amounts of leaching agent and water added as necessary. The necessity for additional moisture is apparent from observation of the ore, the requirement being that the ore is maintained in a moist condition at all times. Uniform distribution of moisture and leaching agent is accomplished by stirring and the stirring must be done intermittently as necessary while the ore is being leached. Otherwise, there will be non-uniform leaching throughout the section and undesirable amounts of leaching agent will percolate beneath the selected top section. Finally, the stirring insures that the leaching operation is restricted to the top section. After tests indicate the leaching is complete the leached section to the required depth is readily removed with a bulldozer, front-end loader, scraper or similar device.

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