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8. STANDARD COMPONENTS AND SUBSYSTEMS [Outline of Oil Mist Remover Subsystem]
8.5 Outline of Oil Mist Remover Subsystem
Source of
Compressed Air
Regulator
Filter
Vacuum Indicator
Air Pressure Gauge
Float Trap
Solenoid Valve
Ejector
Gear Case
Air End
Oil Pump
Relief Valve
Element
Opens when the gear
case internal pressure
excessively rises and
needs relief to
atmosphere.
Utilizes a high performan-
ce
element to separate
the fine oil mists.
Uses the compressed air to
generate a vacuum pressure,
which maintains a negative
pressure on the oil mist
remover subsystem.
Indicates if the ejector is
operating properly and
keeping the gear case
internal pressure is
negative.
Removes dust particles
and condensate from
the compressed air.
Maintains a
constant
compressed air
pressure.
Indicates the pressure
of the compressed air
at the inlet of the
ejector.
Opens automatically
when the oil has reached
a specified level,
returning the oil to the
inlet of the oil pump.
Closes when the DSP
has stopped, stopping
the consumption of
compressed air by the
oil mist remover.
The incorporated ejector uses the compressed air to gen-
erate a vacuum pressure, which maintains a negative
pressure on the oil mist remover subsystem.
This prevents the gear case internal pressure from rising
due to a resistance of the element. By installing the oil
mist remover:
(1) There is no need to extend a gear case vent pipe out-
doors, avoiding any type of trouble that may be
caused by incorrect installation of the gear case vent
pipe.
(2) Oil mists are prevented from venting from the DSP
gear case to atmosphere, keeping the DSP compres-
sor room/area clean.
(3) Oil expenses and labor costs to add extra oil are low-
ered because the oil is automatically recovered in the
gear case.
A small amount of oil mist is vented from the
gear case vent pipe when starting the DSP.
The plant air system pressure rises
and the ejector operates accordingly.
The oil mist remover internal pressure
maintains a negative pressure.
The element removes oil mists without
Increasing the gear case internal pressure.
The separated oil is recovered in the
gear case and reused by the DSP.
The oil mist remover reduces oil consumption to almost zero. However, The oil should still be replaced
bi-annually.
CAUTION
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