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1)AQUA SILENCER
INTRODUCTION
An aqua silencer System
is designed to replace conventional single unit engine silencers on board
structures. With it’s light weight and slender design, it offers a minimal
'footprint' while optimizing the entire exhaust system for low noise and
reduced backpressure. It is used to control the noise and emission in
IC engines. The reason why we go for aqua silencer is, in today life the air
pollution causes physical ill effects to the human beings and also the
environment. The main contribution of the air pollution is automobile releasing
the gases like carbondioxide and unburt Hydrocarbon. In order to avoid this type of gases by
introducing this aqua silencer. It is fitted to the exhaust pipe of the engine,
Sound produced under water is less hearable than it produced in atmosphere.
This mainly because of small sprockets in water molecules, which lowers its
amplitude thus, lowers the sound level. The emission can be controlled by using
the activated charcoal layer and it is highly porous and posses extra free
valences so it has high absorption capacity. So absorb the gases from the
engine and release much less position to the environment. The noise and smoke
level is considerable less than the conventional silencer, no need of catalytic
converter and easy to install[3]. In this silencer, the Charcoal and Water so
it is called hybrid aqua silencer, and it is useful in automobile, industry, DG
sets & DG machines, Marin and Boats also so, It is known as hybrid
universal aqua silencer.
Now
a days Air pollution is major problem The main pollutants contribute by
automobiles
are (CO), UBHC, (Nox) and Lead etc.Other sources such as electric power
generating stations, industrial and domestic fuel consumption , refuse burning,
industrial processing So it is imperative that serious attempts should be made
to conserve earth’s environment from degradation. An
aqua silencer is an attempt in this direction, it is mainly dealing with
control of emission and noise. An aqua silencer is fitted to the exhaust pipe
of engine
DISCRIPTION:-
·
Basically an aqua silencer consists of a perforated tube which is
installed at the end of the exhaust pipe.
·
The perforated tube -different
diameters. purpose of providing different diameter hole is to break up gas mass
to form smaller gas bubbles.
·
Generally 4 sets of holes are drilled on
the perforated tube. The other end of the perforated tube is closed by plug.
·
Around the circumference of the
perforated tube a layer of activated charcoal is provided and further a
metallic mesh covers it.
·
The whole unit is then placed in a water
container.
·
A small opening is at the top of the
container to remove the exhaust gases & a drain plug is provided at the
bottom of the container for periodically cleaning of container.
·
Also a filler plug is mounted at the top
of the container. At the inlet of the exhaust pipe a non-return valve is
provided which prevents the back flow of gases and water as well.
SAMPLE VIEW
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