Glass Shell and Tube
Heat Exchangers are of
recent development.
These heat exchangers
can be used for
condensation of vapours,
vaporization, cooling
and heating of liquids.
The shell and tube heat
exchangers are available
in various combinations
of Glass/Metal/FRP in
shell or headers. Glass
shells are constructed
using standard glass
components like Pipe
section, Tee, Cross etc.
Metal shells are
generally constructed of
MS in one piece.
Shell and tube heat exchanger consists of a cylindrical shell
which houses a glass
tube bundle. Tubes are
sealed with shell with
the help of PTFE tube
sheets. Each tube is
individually sealed by
Viton 'O' ring in tube
sheets at both the ends.
Baffles are provided in
the shell to maintain
state of turbulence of
fluid as well as to hold
the tubes.
Salient Features :
1.Universal corrosion
resistance an excellent
alternative to expensive
MOCs like graphite,
hastelloy, copper
titanium, tantalum and
other exotic metals.
2. Excellent heat
transfer as fouling does
not occur on smooth
glass surfaces.
3. Flexibility of
installation
vertical/horizontal.
4. Easy replacement of
tubes for repair and
cleaning.
5. Available in wide
range of HTAs.
6. Ease of installation
due to light weight.
7. Economical.
8. Suitable for
applications where large
HTAs are required in
limited space.
Advantages Over
Conventional Coil Type
Heat Exchangers :
1. The overall heat
transfer coefficient in
shell and tube heat
exchanger is about 3
times higher than in
coil type heat
exchanger.
2. The pressure drop in
shell and tube heat
exchanger is minimal
compared to 2-3 kg/cm2
in coil side of coil
type heat exchanger.
3. Stuffing box
sealing allows easy tube
replacement.
It is
generally used for
horizontal
installation.but also
they can be
installed
vertically.PTFE per
forated plates supports
the glass tubes .shell
and tube exchangers are
used for surface area .
more details and
dimensions can be
sipplied on request.
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