Dryer selection basics

1 material original shape particles, powder, particles, sludge, crystals, liquids, pastes, suspensions, solutions, continuous sheets, slabs, irregular materials (small or large), viscous or blocky.

2 Average production continuous operation of feed amount or finished product, intermittent operation charge amount or finished product and its adjustment range.

3 finished particle state average particle size, particle size distribution, particle density, bulk density, rehydration and the like.

4 Material inlet and outlet moisture content dry basis, wet basis.

5 material properties chemical, biochemical, microbial activity, heat sensitivity (melting point, glass transition temperature), moisture isotherm (equilibrium moisture content).

6 drying time drying curve, the impact of operating parameters.

7 heater form contact method (direct, indirect).

8 fuel selection steam, coal, electricity, oil, gas.

9 drying auxiliary equipment fan, dry dust collector, wet dust collector, feeder, discharger, finished product cooling and conveying device.

10 Special requirements constitute materials, corrosive, toxic, non-aqueous solution, flammable and explosive limits, ignition point, color, structure, fragrance requirements.

10 Dry system drying equipment and ancillary equipment footprint.

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