double roll crusher nip angle bulk density of gypsum rock
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double roll crusher nip angle bulk density of gypsum rock

The roll size of a roll crusher was 30.5 cm × 90.1 cm. Gypsumrock(S.G. = 2.7, bulk density = 1.7 t/m 3) is to be crushed. Determine 1. the set in order to crush at the rate of 12 t/h and 10 rpm speed of the rolls, 2. the ratio between capacity and peripheral speed if the set was 2.5 cm, 3. thenip anglewhen the crusher feed size is 10 cm,

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