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4.3
Air flow guide plates
Air flow guide plates direct the air that is blown from the ventilator. Various configurations are
possible to control the air flow. The configurations presented in chapter 4.7.1 are tested by VDEG on
their desired effect. However, due to differences in installations, it is recommended to perform a
single test prior to implementation, in order to obtain the most desirable effect.
4.3.1
Configuration of the air flow guide plates
The number of guide plates attached to the Airmix and their orientation are vital for determining the
air flow. The configurations with one guide plate are shown in Figure 14. The left configuration
restricts the airflow downwards whilst the right restricts the flow upwards. A downwards restriction
might be necessary if the airflow affects the crop too much. An upwards air flow restriction is imposed
when the flow affects the screen cloth too much.
Figure 14 Downward (left) and upward (right) air flow restriction
If the configurations in Figure 14 do not influence the air flow enough, one can choose to use two air
flow guide plates to restrict the flow. Figure 15 shows these configurations. The left configuration is
used to limit the downward air flow even more. Respectively, the right configuration limits the upward
flow even more than the one in Figure 18does.
Figure 15 Extra downward (left) and upward (right) air flow restriction
