An air cooled heat exchanger is amongst the must-haves for all
equipment. It is a commonly known fact that when a machine works hard for a
prolonged period of time, it can easily heat up and damage itself. In fact, in
many cases, when a machine overheats, the consequences can be direr. Factories
have caught fires and burned down to the ground simply because the equipment
running inside overheated and caused a fire to break out. Thus, it is very
important for the equipment to have cooling systems installed inside them to
keep them at low temperatures as they function. An air cooled heat exchanger is
able to do exactly that. It manages to use the heat of the system to work on
and it slowly turns the hot air down to cooler temperatures.
Cover plate Configuration
Some air cooled heat exchangers have a cover plate configuration
system and these types are generally used in machines that are installed in
refineries. They are supposed to work with machine oils and heavy hydrocarbons,
cooling them down as the oils and hydrocarbons power the machines that are
supposed to pump out the oil. This type of an air cooled heat exchanger is very
easy to maintain. In fact, it has been designed for easy maintenance so that
the costs are kept low. The cover is flanged is easily removable and allows
cleaners to access the components inside. While this exchanger is quite good at
the machines it is built for, it is not recommended for sensitive service
applications since it limits the design pressure a lot.
Plug box Configuration
This type of an air cooled heat exchanger is full of
possibilities, is highly flexible and can be used in a number of different
settings. Since it can work just as well with all kinds of hydrocarbons and
gases and can be fitted anywhere in the entire factory (to gel in with all
kinds of processes) the demands for this are very high as well. It can be
fitted in big and small plants to operate equally well in any condition. The
distributor, or the header, of this kind of exchanger is a welded box which is
located near the finned tube. It has small holes in it so that one can clean it
out without screwing it open and removing the components. It has very low costs
but high versatility so is able to meet all sorts of industry demands.
Pipe and Bend Configuration
This kind of air cooled heat exchanger is mostly used when one
only has to work with fluids and not gases or hydrocarbons of any kinds. It can
come in many different sizes so it can be installed in huge factories or small
ones equally well. The header is simply a forged pipe which can be twisted to
let the cooled liquid, mostly water or milk, out through the end. The advantage
of this kind is that it has been designed to withstand liquids coming out of it
at very high pressures. There is no inspection opening provided so it is highly
suggested that people use it after they have purified and verified their
liquid, especially if it is a product that has to be marketed. However, the
welding on the cooled heat exchanger is brilliantly done and is made to
withstand even the most hazardous material.
Thus, it is plain as day that in a number of factories and
industries, air cooled heat exchangers are as important as the raw materials,
especially when it comes to safety precautions and rules. There is a special
kind of air cooled heat exchanger available for all factory settings and so,
one can easily go out and purchase whatever will work best for their
environment.
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