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Heat-pump dryer efficiency

Alternatively, the reciprocal of the SMER is reported as the heat-pump dryer efficiency, which is the energy required to remove one kg of water. [Pg.242]

Thus, energy required to remove the unit mass of water is given by the heat-pump dryer efficiency (HPDE) defined as... [Pg.243]

Heat pump dryers are gaining recognition as energy efficient drying devices for production of quality products. The following sections are devoted to selected examples of industrial applications of the heat pump dryer. [Pg.1113]

The SMER depends on the maximum air temperature in the dryer, the air s relative humidity, the evaporation and condensation temperatures, and the efficiency of a refrigeration system. Figure 15.2 presents some SMER values for a typical range of temperature differences in the heat-pump dryers plotted against the air inlet temperature (Song, 1990 Strpmmen and Kramer,... [Pg.242]

Heat pump dryers Particulates Partieulates High efficiency low temperature drying possible by using low humidity air better product quality... [Pg.543]

It is worth remembering that if the dryer is working efficiently, the outlet gas should have a temperature close to the wet bulb temperature and also be at high humidity. Therefore, the majority of the gas enthalpy is the latent heat in moisture vapor, and heat recovery should, when possible, include moisture condeusation from the drying gas. This method is applied in heat pump dehumidifiers. [Pg.1085]

Efficient heat and mass transfer in dispersed systems and low temperatures required for drying heat-sensitive materials justify the application of a heat-pump system in conjunction with pneumatic, fluid bed, vibrated bed, conveyor, spin-flash, and similar convection dryers. A simplified layout of a heat-pump fluid bed dryer developed at the Norwegian Institute of Technology (NTNU) and thoroughly tested for various products (Jonassen et al., 1994 Strpmmen and Jonasen, 1996 Alves-FiUio and Str0mmen, 1996) is shown in... [Pg.249]

See other pages where Heat-pump dryer efficiency is mentioned: [Pg.427]    [Pg.427]    [Pg.550]    [Pg.624]    [Pg.638]    [Pg.654]    [Pg.1087]    [Pg.1102]    [Pg.1104]    [Pg.1105]    [Pg.1113]    [Pg.1114]    [Pg.1125]    [Pg.244]    [Pg.244]    [Pg.252]    [Pg.263]    [Pg.572]    [Pg.640]    [Pg.656]    [Pg.675]    [Pg.1105]    [Pg.1123]    [Pg.1126]    [Pg.1127]    [Pg.1136]    [Pg.1136]    [Pg.449]    [Pg.340]    [Pg.203]    [Pg.904]    [Pg.1141]    [Pg.496]    [Pg.652]    [Pg.427]    [Pg.25]    [Pg.519]   
See also in sourсe #XX -- [ Pg.243 ]



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