Increasing the size range of coal water slurry particles is beneficial to improving its packing efficiency, the packing efficiency is related to the particle size composition of raw materials (Chen et al 2012). (Huang et al 2006) provide a formula for calculating the packing density of powder with continuous particle size in slurry.
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WhatsApp: +86 18203695377The packing density is a parameter that is commonly used to describe the packing condition of particles. It is an important index that is used to characterize many powder products or suspensions such as pharmaceuticals, composite materials, coal water slurry (CWS), and concrete.
WhatsApp: +86 18203695377Increasing the size range of coal water slurry particles is beneficial to improving its packing efficiency, the packing efficiency is related to the particle size composition of raw materials (Chen et al 2012). (Huang et al 2006) provide a formula for calculating the packing density of powder with continuous particle size in slurry.
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WhatsApp: +86 18203695377The aim of the study was to prepare a porous soundabsorbing material using steel slag and fly ash as the main raw material, with coal powder and sodium silicate used as a pore former and binder respectively. The influence of the experimental conditions such as the ratio of fly ash, sintering temperature, sintering time, and porosity regulation on the performance of the porous soundabsorbing ...
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WhatsApp: +86 18203695377The soundabsorption coefficients of the specimens prepared only using coal powder as pore former in the low frequency and high frequency ranges were and, respectively. The soundabsorption coefficient was thus improved with increasing amounts of coal powder, and the NRC was between and
WhatsApp: +86 18203695377Materials 2022, 15, 705 4 of 12 Figure 3. A 3D representation of particle packing model. (a) 1525 μm powder. (b) 3845 μm pow‐der. (c) 1525 μm powders packed around a central 3845 μm powder. (d) 3845 μm powders packed around a central 1525 μm powder. The first packing model has the greatest packing effi‐
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