Powerscreen XH250 crusher & Chieftain 1400 screen in coal mining in South Africa

Powerscreen XH250 crusher & Chieftain 1400 screen working in a coal mine in Bankfontein, South Africa. Material is passed through the impactor for crushing with a throughput of 280 tph and is fed to the Chieftain for screening through 40mm mesh.

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What heppen mining coal crusher got the sigh 14 on the screen