OGSI MOGS - 100, Инструкция по установке, эксплуатации и обслуживанию

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Effective 11/2010 9
Pressure Swing Adsorption(PSA) Technology
An
OGSI
Oxygen Generator is an on-site oxygen generating machine capable of
producing oxygen on demand in accordance with your requirements. In effect, it
separates the oxygen (21%) from the air it is provided and returns the nitrogen (78%) to
the atmosphere through a waste gas muffler. The separation process employs a
technology called
Pressure Swing Adsorption (PSA)
. At the heart of this technology is
a material called Molecular Sieve (Zeolite). This sieve is an inert, ceramic-like material
that is designed to adsorb nitrogen more readily than oxygen. Each of the two beds that
make up the generator contains this sieve. The process is described below.
This air separation process is reliable and virtually maintenance-free. The molecular
sieve will last indefinitely, as long as it does not become contaminated with water and oil
vapors. This is why regular filter element replacement is crucial to trouble-free operation.
The filter elements are inexpensive and require semi-annual maintenance.
Stage 1
Compressed air is fed
into the first molecular
sieve bed. Nitrogen is
trapped, while oxygen is
allowed to flow through.
Stage 2
When the sieve in the
first bed becomes full
of nitrogen, the airflow
is then directed into the
second bed.
Stage 3
As the second bed
separates the oxygen
from the nitrogen, the
first bed vents its
nitrogen into the
atmosphere.
Stage 4
Compressed air is once
again fed into the first
bed and the process is
repeated continuously.
A constant flow of
oxygen is produced.