Grinding & Classification Circuits

Grinding & Classification Circuits

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What is "Bonds machine index constant for Rock salt"? (4 replies and 2 comments)

Y
Dibe
5 years ago
Dibe 5 years ago

I was designing a rock salt grinding machine and and i couldn't find Bonds machine index constant for rock salt. 

Y
Dibe
5 years ago
Dibe 5 years ago
Like

Hello there 

   What I mean is 'what is Bonds machine index constant for Rock salt'.I wanted to know the energy required For crushing Rock salt.

David
5 years ago
David 5 years ago
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pick your rock https://www.911metallurgist.com/blog/table-of-bond-work-index-by-minerals

Y
Dibe
5 years ago

Hi David
Thanks for replying,but there isn't rock salt (halite) constant on the table .....

David
5 years ago
David 5 years ago
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can't have everything i suppose... you will need to test

Alex Doll
5 years ago
Alex Doll 5 years ago
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David appears to be correct.  I can't find any papers on onemine.org related to 'halite grindability' or 'halite work index'.

There are lots of labs around that can do a grinding test for you; collect an 8kg "representative" sample of halite and ask for a "Bond work index grindability test" at your desired product size (you need to specify the product 80% passing size in µm).

https://www.sagmilling.com/

Y
Dibe
5 years ago

Thanks Alex
What if 80 % of the product doesn't pass through the mesh ,maybe 30 percent but not 80 % .
I am in a situation where I can't send the minerals,can't I use approximation by looking for materials with the same hardness and tenacity ...and use that constant

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