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AssigneeSandvik Intellectual Property AB
InventorsTorbjorn Nilsson-Wulff, Christian Trulsson, Richard Bern, Bjorn Loven, Rolf Silfver
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An inner shell, which is intended for use in a gyratory crusher and which during crushing will rotate around its own center axis in a first direction, has at least one additional crusher surface. The additional crusher surface has, in horizontal projection and as seen in the first direction, a decreasing distance to the center axis. Large objects can be introduced between the additional crusher surface and an outer shell near a first end of the additional crusher surface in order to, near a second end of the additional crusher surface, be squeezed between the additional crusher surface and the outer shell and be crushed.
An inner shell for use in a gyratory crusher, which inner shell is intended to be brought into contact with a material that is supplied at the upper portion of the crusher and is to be crushed, and that in a crushing gap crush the same material against an outer shell, wherein the inner shell during crushing will rotate around its own center axis in a first direction, wherein the inner shell has at least one additional crusher surface, which, in horizontal projection and as seen in the first direction, has a decreasing distance to said center axis and which at a first end, which is situated at the downstream end of the additional crusher surface in respect of the first direction, is situated at a first distance from the center axis, and at a second end, which is situated at the upstream end of the additional crusher surface in respect of the first direction, is situated at a second distance from the center axis, which second distance is greater than said first distance, so that objects can be introduced between the additional crusher surface and the outer shell near said first end in order to, near said second end, be squeezed between the additional crusher surface and the outer shell and be crushed.
A gyratory crusher, which has an inner shell that is intended to be brought into contact with a material that is supplied at the upper portion of the crusher and is to be crushed, and that in a crushing gap crush the same material against an outer shell, wherein the inner shell during crushing will rotate around its own center axis in a first direction, wherein the inner shell has at least one additional crusher surface, which, in horizontal projection and as seen in the first direction, has a decreasing distance to said center axis and which at a first end, which is situated at the downstream end of the additional crusher surface in respect of the first direction, forms a first shell distance to the outer shell, and at a second end, which is situated at the upstream end of the additional crusher surface in respect of the first direction, forms a second shell distance to the outer shell, which second shell distance is smaller than said first shell distance, so that objects can be introduced between the additional crusher surface and the outer shell at said first end in order to, at said second end, be squeezed between the additional crusher surface and the outer shell and be crushed.
A gyratory crusher, comprising:
Dependencies are inferred from the claim text.