REMCO ENGINEERING WATER
SYSTEMS AND CONTROLS REMCO ENGINEERING
WATER
SYSTEMS AND CONTROLS
THE
INJECTOR SPARGER GAS CONTACTING SYSTEM
The Injector Sparger is
a simple and efficient way to scrub gasses in a confined area
with limited space. These are especially suitable for scrubbing
liquid ring vacuum pump exhaust. The principal is simple and well
known. By using an injector to entrain the gas in a recirculating
liquid stream, the gas is already dispersed by the time it
reaches the tank. Proper sparger design within the tank ensures
the gas is dispersed in a rotating solution to maximize contact
time.
An injector is a
passive device similar to a venturi or eductor that uses the
motive force of a liquid to generate a negative pressure at a
small orifice. The motive liquid is passed through a constricted
area where the injection chamber is located. The increase in
velocity through the injection chamber results in a lower
pressure that draw the gas into the passing liquid stream. The
gas is entrained in the liquid and carried along as very fine
bubbles.
In operation, a large
reservoir of solution is recirculated through the injector
causing the gas from the process area to be sucked into the
suction port on the injector. The solution is entrained in the
recirculation line and enters the reservoir. The solution can be
monitored in the recirculation line and the addition of treatment
chemicals can also made in the recirculation line. This insures
fast and accurate sensing and mixing.
The system is used for
scrubbing almost any gas using almost any liquid as the motive
force. The system is easily configured for any "on the
fly" processing. The suction port is fitted with a check
valve to prevent solution in the line from backing up the inlet
to the process area.
The system is available with many options including
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