Crushing, Screening & Conveying

Crushing, Screening & Conveying2017-04-04T06:57:13-04:00
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Started by Bob Mathias
When a gyratory crusher's mantle is replaced, how does the operator know that the correct product size is being achieved at start-up? How does one Evaluate or Estimate to best control a Crusher Product Size ?
Last replied to by David
Also see https://www.911metallurgist.com/blog/crushing-products-size-and-shape and https://www.911metallurgist.com/blog/crusher-discharge-product-size-shape
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Started by mnlmts
Hello there,I need help with the Calculation of relevant bearing loads at the drive kinematics of a double toggle jaw crusher. I'm a mechanical engineering student from germany and have to construct a double toggle jaw crusher for my construction p...
Last replied to by David
This may be useful: Due to their simple design and easy maintainability jaw crushers are widely used as primary size reduction equipments in mechanical and mining industries. As jaw cru...
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Started by
Is there any relation between crusher's CSS and product size distribution? In some crushing references it was mentioned that 55 percent of crusher product are smaller than CSS. Anyone has data on that?
Last replied to by Gruppen
For Metso GP series crushers at different CSS, the product passing through css is 70% and maximum product siz is about 2 times the css. But normally, that is for medim hard ore like limestone. For oth...
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Started by Paul Morrow
Hi there, I am looking at trying a feed size distribution camera to allow for better grinding performance. By monitoring my crusher P80 discharge product size and controlling my variable, I can surely control and improve my grinding circuit tonnage....
Last replied to by David
Here a paper on Tracking Hardness and Size Measuring and Monitoring ROM Ore Properties at Highland Valley Copper.
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Started by
Watch the related presentation here. This is a very good explanation of the benefits of pre-concentration, where the resource is amenable to it. I have also found some similar reactions to those the presentation found when I have suggested pre-conce...
Last replied to by David
In closing, this may help http://www.911metallurgist.com/geology-prospecting/technical-papers-about-blasting/
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Started by Paul Morrow
What is the most suitable way to crush quartz glass tubes of different tength/diameter with lowest contamination? I have tried a jaw crusher or a toothed roll crusher as primary, followed by regular roll crusher and/or hammer mill for secondary but ...
Last replied to by Paul Morrow
Thanks for sharing your ideas! Yes - you are right: a VSI will be the best choice for grinding subsequently followed by physical and chemical purification processes. Still the first stage: crushing. A...

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