Integraltype

Large-scale, commercial, forced-convection, greenhouse-type dryers are like transparent roof solar barns and are used for solar timber drying kilns (see Figure 7.11). Small-scale forced dryers are often equipped with auxiliary heating.

Another variation of this type of dryer is the solar collector-roof/wall, in which the solar heat collector forms an integral part of the roof and/or wall of

Drying chamber

Solar radiation

3 Air exit

Insulation

Drying chamber

Solar radiation

3 Air exit

Insulation

Trombe Wall
FIGURE 7.10 Schematic diagram of a distributed-type active solar dryer.
Solar Energy Drying

the drying chamber. A solar-roof dryer is shown in Figure 7.12. A collector-wall system is like a Trombe wall, described in Chapter 6, where a black painted concrete block wall with outside glazing forms the solar collector and serves also as a thermal storage.

Getting Started With Solar

Getting Started With Solar

Do we really want the one thing that gives us its resources unconditionally to suffer even more than it is suffering now? Nature, is a part of our being from the earliest human days. We respect Nature and it gives us its bounty, but in the recent past greedy money hungry corporations have made us all so destructive, so wasteful.

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Responses

  • kedija
    What is a solar dryer?
    7 years ago

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