Varun Heat Exchangers

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HEAT
EXCHANGERS :

Heat exchangers transfer heat energy from
one fluid (or gas) to another fluid (or gas) without mixing the two. 
Automotive radiators are a common example. Heat from the hot engine water is
pumped through the radiator, while air is blown through the radiator tins. The
hot engine water's heat energy is transferred to the air, thus keeping the
water at the right temperature, to keep the engine from overheating.
Essentially automotive radiators are liquid-to-air heat exchangers. Other types
of heat exchangers are common in everyday equipment such as boilers, furnaces,
refrigerators and air conditioning systems. In fact, every air conditioning
system and refrigeration system has at least two heat exchangers one for the
cooling side, and one to expel the heat. There are three main types of heat
exchangers, defined by their construction or body types: shell and tube, plate,
and air-cooled. Shell and tube (or
tubular) heat exchangers are used in applications where high temperature and
pressure demands are significant.  Tubular heat exchangers are also
employed when fluid contains particles that would block the channels of a plate
heat exchanger. There are several types of
shell and tube heat exchangers including U-tube, straight, spiral, and finned
tube. USES : Used in Pharmaceutical Plant, Agrochemical Plant, Fertilizer Plant.