Crushing, Screening & Conveying

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Double deck screen Efficiency (1 reply)

Jean Rasczak

9 years ago

Jean Rasczak 9 years ago

What is the method of calculating the efficiency of double deck screen?

(unknown)

9 years ago

(unknown) 9 years ago

Like

Basically the same as a single deck, except the feed to the second deck is the under-size from the top deck. You would normally look at the efficiency of each deck separately, unless you are using the top deck to take a load off the bottom deck, then you would consider the bottom deck under-size as compared to the total feed. (or combined top and lower deck overs-size if using the screen to get rid of fines).

Use https://www.911metallurgist.com/blog/formula-to-calculate-a-classifier-and-screen-efficiency

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