For boiling and evaporating purpose we can use high pressure steam, low pressure steam, High Therm Oil as heating medium depending upon process requment. It is use in distillaion as evaporator as a reboiler which play the role of boiling and evaporating crude material.If we want a equipment as per CGMP norms then we can choose MOC of equipment is SS-304. If plant is Chemical not as per CGMP norms then we can choose MOC of support is CS. Salection of support is depends upon hydraulic weigh or equipments also depends on orientation of equipment. General in heat exchanging equipments we give saddle type and lug type support. On the basis of orientation whether horizontal or vertical we need decide type of support which is necessary for equipment. Hope above information is sufficient for you to gain some knowledge of baffles role in heat exchanger. To design a heat exchanger you should have knowledge of baffles. In technical data sheet of heat exchanger we need to put data like baffles spacing or number of baffles. In design of Shell and tube Heat exchanger we need decide baffles spacing and number of baffles also thickness and MOC of baffles. The main two roles of baffles are give directions and obstruction to flow and hold the tube bundles and give more heat transfer area to heat exchanger. Baffles also gives support to tube bundles. Baffles are vanes or which play the role of giving direction and obstruction to the flow of liquid.
Unlike shell and tube baffles also play a important role in heat exchanger. We can choose MOC of shell like SS-316, MS, CI etc. We get some outer air cooling in shell and tube heat exchanger. If our material is not carosive we can use material flow in shell side. In different types of Condenser we use process in shell side. Another most important part of a shell and tube heat exchanger is its “Shell”.