In order to increase the capacity of the dryer the surface for placing the drying material needed to be increased.
For this the idea is to construct a shelf with five or four tiers. The shelf is formed by the tray channels which have wider section bolted to the dome wall. The following image shows the concept.
![tray-array](https://vadic2016shubhamshembade.files.wordpress.com/2017/02/tray-array.jpg?w=900)