Describe the construction and working of evaporating pan with neat diagram.
Construction:
i. It consists of a hemispherical pan made from copper or stainless steel and surrounded by a steam jacket.
ii. Hemispherical shape provides large surface area for evaporation.
iii. It consists of product outlet for fixed evaporating pan.
iv. In other type evaporator is mounted in such a way that they can be tilted.
Working:
i. Material to be evaporated is filled in pan.
ii. Pass the steam.
iii. Liquid will evaporate.
iv. After evaporation remove the product from product outlet.
Diagram: