| GENERAL INFORMATION ABOUT DRYING PROCESS: There are 3 articles  for drying process: Air, temperature and time.Each one has a  special function for dring process.
 A- AIR:             Air has two different  fonksions for  drying .First,air carry  out  the water which evoperate from  product.The quantity of the water is increase which  carry out by air,if the temperature of air is  increase .Secondly air is using to absorb the humidity before stroge.   B- TEMPERATURE: Hetaed air is capable  to absorb more humidity. Hot air is using to heat the product and carry out  humidity from air. Hot air is supplying by heating elements and air blowers.  Heating energy is generating by LPG, electricity, coal or NPG.It is important to  select correct type enrgy source according condition and type of product.
   C- TIME: There is a relation among time, air and  temperature.Time is controlling by conveying speed of the product in dryer.  Time is controlling by adjasting of conveying speed in tunnel type dryer. |