yu ding machine gangue crusher

Study on the drying shrinkage of alkali
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2019-11-20 ensp 0183 ensp The coal gangue selected in this paper is shanxi clayey coal gangue which is pulverized by a small ball mill after being broken by jaw crusher and calcinated with constant temperature in muffle furnace 700 176 C for 2 h The slag was the S95-grade granulated...
Mechanical properties and microstructures of
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2019-10-10 ensp 0183 ensp The hypergolic coal gangue is caused by the self-ignition of accumulated coal gangue due to heat accumulation The content of SiO 2 Al 2 O 3 and CaO in hypergolic coal gangue of this experiment is 64 52 15 18 and 4 65 respectively The content of CaO is less than 10 so this hypergolic coal gangue powder belongs to superfine powder...
Reutilisation of coal gangue and fly ash as
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2020-5-1 ensp 0183 ensp Therefore gangue with a particle size below 50 mm was selected for this test and the particle size distribution of the coal gangue sample after crushing is shown in Fig 3 To prepare the test samples the gangue was crushed with a hammer down to 80 mm particles and then further crushed to 50 mm particles using a small crusher...

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