1. Umlinganiselo wobukhulu obukhulu besuntswana lezinto ngaphambi kokutyumza ukuya kubukhulu obukhulu besuntswana lemveliso emva kokutyumza

i=Dmax/dmax (Dmax—-Ubukhulu obukhulu bezinto ezisetyenzisiweyo ngaphambi kokutyumza, dmax—-ubukhulu obukhulu bezinto ezisetyenzisiweyo emva kokutyumza)

2. Umlinganiselo wobubanzi obusebenzayo besango lokutya le-crusher kububanzi bomnyango wokukhupha

i=0.85B/b (B—–Ububanzi besango lokutya kweCrusher, b—–Ububanzi bokuvula kokukhupha iCrusher, 0.85—-Qinisekisa ukuba i-crusher iluma ububanzi obusebenzayo bezinto.)

Ixabiso lobubanzi bomngxuma wokukhupha: umatshini wokukhupha orhabaxa uthatha ububanzi bomngxuma wokukhupha obukhulu; umtyumli ophakathi uthatha ububanzi bomngxuma wokukhupha ubuncinane.

3. i=Dcp/dcp

(I-Dcp—ububanzi obuphakathi bezinto ezisetyenziswayo ngaphambi kokutyumza; i-dcp—ububanzi obuphakathi bezinto ezisetyenziswayo emva kokutyumza)

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