Dryer selection basics

1 Raw material in the form of particles, powders, particles, sludge, crystals, liquids, pastes, suspensions, solutions, continuous flakes, slabs, irregular materials (small or large), viscous or massive, etc.

2 Average output Continuously operating feeding quantity or finished product, intermittent operation feeding quantity or finished product, and adjustment scope thereof.

3 The condition of the finished product particle size, particle size distribution, particle density, bulk density, rehydration, etc.

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

5 Material properties Chemical, biochemical, microbial activity, heat-sensitive (melting point, glass transition temperature), moisture absorption isotherms (equilibrium moisture content), etc.

6 Drying time The influence of drying curve and operating parameters.

7 Heater type Contact method (direct, indirect).

8 Select steam, coal, electricity, oil, and gas.

9 Drying auxiliary equipment fans, dry scrubbers, wet scrubbers, feeders, feeders, finished product cooling and conveyors, etc.

10 Special requirements Constitute material, corrosive, toxic, non-hydrophilic, flammable and explosive limits, ignition points, color, texture, and fragrance requirements.

10 Drying System The footprint of drying equipment and ancillary equipment.

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