The
Prefilter trap- Is a required accessory for any centrifugal mist
eliminator and is supposed to reduce the level of vibration caused by
larger particles.
The
HEPA filter final stage- The main compartment of the centrifugal oil smoke
and coolant mist collector is usually about 97% efficient at one micron -
An expensive HEPA filter that constantly needs to be replaced is required
to elevate the efficiency rating to the industry standard 99.97%
efficiency rating at .3 microns (this is the average size of an oil smoke
droplet). Many of these bulky HEPAs will last only a few months and
as they become more worn the energy consumption of the centrifugal
compressor oil mist collector increases which adds to the cost of
operation.
Some common
problems found with centrifugal compressor oil mist eliminator
-
Centrifugal
oil smoke mist eliminators cannot collect smoke or fine droplets. In fact,
these types of units actually create fine droplets by breaking up large
drops in the high energy acceleration process.
-
Centrifugal
mist collectors tend to have a very high siren-like screech.
-
Centrifugal
mist separators require frequent cleaning to remove accumulated mist and
dust that causes impeller damage.
-
Centrifugal
oil mist collectors can have very high maintenance costs due to frequent
cleanings that are required due to imbalanced impellers that cause machine
tool vibration and loss of precision.
-
Energy costs
for Centrifugal compressor oil mist eliminators can be very high: 700-2100
watts needed to run the system.
2. Cartridge Mist Collectors:
Cartridge mist collectors also known as media
filter mist eliminators usually include a HEPA type filter to
filter out
industrial mist and smoke oil. The process of filtration is very
simple; air is drawn into the cartridge media oil smoke and coolant mist
collector by a fan or blower. The air containing mist is then forced
through a media type filer where the droplets, mist and particles are
trapped or filtered out by the media material - usually a HEPA filter.
These cartridge media mist eliminators were first designed to handle an
efficient consistent system that would reduce mist from wet grinding
applications and other processes with combinations of liquid/solid,
liquid/vapor, or solid/vapor.
Cartridge mist separators are some of the
oldest technology and are therefore one of the most common systems found in
industry. The present state of the technology is modular and includes options for pre-filters, HEPA,
activated carbon, as well as high-powered fans that can reach as high as
18,000 cfm.
The cartridge oil smoke and coolant mist
eliminator systems have been used for all types of wet grinding, cast iron
machining, and is also found throughout the die casting industry. Other
applications the cartridge style of mist removal include rubber and
plastics, food processing, and occasionally welding fume.
Some common problems found
with cartridge media filtration.
-
Cartridge mist
collector's cartridges / filters get clogged and tend to reduce airflow.
-
Cartridge media mist
eliminators are usually big and bulky and can take up valuable floor
space.
-
Cartridge media mist
collectors can have expensive filters that need to be frequently replaced.
-
Cartridge media mist
separators tend to get very loud as the media plugs up causing the fan to
work over-time.
-
Cartridge media oil
smoke and coolant mist collectors are costly to operate and suck up a
tremendous amount of energy.
3. Electrostatic Precipitator Mist
Collectors
Electrostatic precipitator mist
collectors use high voltage to charge and gather the smaller mist particles
and droplets. This method of filtration has several advantages and is our
choice of mist eliminating technology. Many of the benefits of using an
electrostatic mist collector include; a constant flow, low pressure
drop, and efficient filtration of sub-micron smoke and fumes. Electronic
cells are washable, and are normally dipped in solution and left to dry.
Maintenance schedules are dependent on the amount of solids collected, since
liquids will drain by themselves.
Electrostatic precipitator oil smoke & coolant
mist collectors are perfect
for petroleum based cutting oils, mist and smoke. Electronic collector cells
are engineered to last forever use and their is substantial annual savings
on not needing to purchase HEPA filters or any other type of media filters.
Electrostatic precipitator collector cells when used to filter mist caused
by petroleum cutting oils keep the collectors clean of dust and smoke
buildup because the petroleum cutting oils do not evaporate.
In days past cartridge mist filtration and
centrifugal mist elimination was the only method of mist elimination. Nowadays,
electrostatic precipitation is the more efficient, lowest cost and preferred
technology to handle industrial mist and coolant indoor air quality
problems. How else can a
company that manufactures unique “nano-powders”, whose particles can be as
small as 0.003
microns in size ( a microscopic 3.0 nanometers!) filter this material?
A well engineered electrostatic mist collector can easily and efficiently
filter out these tiny particles.
As mentioned above electrostatic precipitator oil smoke and coolant mist systems are most often used to
filter mist and oil smoke in industrial applications. This is where the system really
shines. One customer of ours has 15 units filtering mineral oil smoke on a
3-shift basis. He drains over 1 gallon per week (per system) of collected
oil, and has not had to service the filter cells for over 2 years! Needless
to say, everyone is pleased.
4. Introducing The MistBuster 500
Electrostatic Precipitator Mist Collector
The MistBuster 500 is a compact electrostatic
precipitator which is available in single and double-pass configurations.
This unique mist collection system is the OEM standard on many Swiss screw machines, and we have
hundreds of installations on Citizen, Star, Tornos, B&S, and other popular
automatics. In addition, the MistBuster 500 is equally at home on top of an
enclosed machining center, mill, or lathe. There is not another mist
collector that beats the 99.9% efficiency rating of oil smoke that does not
need a HEPA final stage. The electronic filter cells
continuously drain, which makes the MistBuster 500 self-cleaning. Our
custom plenums and mounting plates make installation easy, and the 110
volt power cord means no extra wiring. The MistBuster 500 is so compact that
we can send it to you via UPS.
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Coolant oil
mist collectors eliminators & separators and
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any questions, call us, we'll be glad to help!
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