The conveyor carries the article inside the tunnel. The tunnel is provided different zones as per the chemical process. When article enters trough the different zones, the chemical is spread on the article for chemical treatment.
The spray density & pressure is controlled with the help of pumps & valves. 

The articles are loaded in a basket. The basket is lifted & dipped in various tanks as per chemical process.

The lifting & dipping of basket can be manually with the help of hoist is done or transporter is provided which lift, move & dipped basket in various tanks automatically on the basis of PLC programming.