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TEST ARRANGEMENT AND METHOD FOR TESTING BREAKAGE AND MECHANICAL PROPERTIES OF ROCK PARTICLES
TEST ARRANGEMENT AND METHOD FOR TESTING BREAKAGE AND MECHANICAL PROPERTIES OF ROCK PARTICLES
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机译:测试岩石颗粒破损和力学性能的试验装置及方法
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摘要
The invention relates to a test arrangement for testing breakage and mechanical properties of rock particles. Test arrangement comprises: a support (1, 2); two counter-rotatable crushing wheels (3, 3′) supported on the sup-port (1, 2); and a drive arrangement (M1, M2) for rotating the crushing wheels (3, 3′), said crushing wheels (3, 3′) facing each other and defining therebetween an in-put gap (G) for the rock particles, said wheels being arranged to break the rock particles (RP) to smaller daughter particles (DP), wherein the test arrangement is arranged to receive only one rock particle at a time to be inputted to the input gap for breakage testing, an energy measurement arrangement (5, 5′) arranged to measure in-formation relating to energy absorbed by the rock particles (RP) during the breakage, a processor (PR) coupled to the energy measurement arrangement and arranged to receive, as inputs, at least one degree of breakage of the rock particles as a result of the breakage and the corresponding breakage energies absorbed by the rock particles (RP) during the breakage, to determine a correlation between the degree of breakage and the breakage energies, and to output the correlation.
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