Dust collectors are used in many processes to either recover valuable
granular solid or powder from process streams or to remove granular
solid pollutants from exhaust gases prior to venting to the atmosphere.
Dust collection is an online process for collecting any
process-generated dust from the source point on a continuous basis. Dust
collectors may be of single unit construction, or a collection of
devices used to separate particulate matter from the process air. They
are often used as an air pollution control device to maintain or improve
air quality. Mist collectors remove particulate matter in the form of
fine liquid droplets from the air. They are often used for the
collection of metal working fluids, and coolant or oil mists. Mist
collectors are often used to improve or maintain the quality of air in
the workplace environment. Fume and smoke collectors are used to remove
sub micron size particulate from the air. They effectively reduce or
eliminate particulate matter and gas streams from many industrial
processes such as welding, rubber and plastic processing, high speed
machining with coolants, tempering, and quenching.
Dust collectors can be configured into one of five common types, ambient
units, collection booths, downdraft tables, source collector or portable
units, and stationary units. Ambient units are free-hanging systems for
use when applications limit the use of source-capture arms or ductwork.
Collector booths require no ductwork, and allow the worker greater
freedom of movement. They are often portable. A downdraft table is a
self-contained portable filtration system that removes harmful
particulates and returns filtered air back into the facility with no
external ventilation required. Portable units are for collecting dust,
mist, fumes, or smoke at the source. An example of a stationary
collector is a baghouse.
Important parameters in specifying dust collectors include airflow the
velocity of the air stream created by the vacuum producer; system power,
the power of the system motor, usually specified in horsepower; storage
capacity for dust and particles, and minimum particle size filtered by
the unit.
Systems for fine removal may only contain a single filtration system
(such as a filter bag or cartridge). However, most units utilize a
primary and secondary separation / filtration system. Furthermore, some
units may have third and fourth stage filtration. All separation and
filtration systems used within the unit should be specified. A baghouse
is an air pollution abatement device used to trap particulate by
filtering gas streams through large fabric bags. They are typically made
of glass fibers or fabric. A cyclone separator is an apparatus for the
separation, by centrifugal means, of fine particles suspended in air or
gas. Electrostatic precipitators are a type of air cleaner, which
charges particles of dust by passing dust-laden air through a strong
(50-100 kV) electrostatic field. This causes the particles to be
attracted to oppositely charged plates so that they can be removed from
the air stream. An impinger system is a device in which particles are
removed by impacting the aerosol particles into a liquid. Modular media
type units combine a variety of specific filter modules in one unit.
These systems can provide solutions to many air contaminant problems. A
typical system incorporates a series of disposable or cleanable
pre-filters, a disposable vee-bag or cartridge filter. HEPA or carbon
final filter modules can also be added. Various models are available,
including free-hanging or ducted installations, vertical or horizontal
mounting, and fixed or portable configurations. Filter cartridges are
made out of a variety of synthetic fibers and are capable of collecting
sub-micronic particles without creating an excessive pressure drop in
the system. Filter cartridges require periodic cleaning. A wet scrubber,
or Venturi scrubber, is similar to a cyclone but it has an orifice unit
that sprays water into the vortex in the cyclone section, collecting all
of the dust in a slurry system. The water media can be recirculated and
reused to continue to filter the air. Eventually the solids must be
removed from the water stream and disposed of.
Part NO:
200.02.003.fl103
Delta Dust Collector Delta Industrial Model 50-850 1 1/2HP Dust Collector includes a 1
1/2HP motor and blower, one 5-micron filtration bag, two plastic 6 mil.
chip bags, support drum, two 4" diameter dust intake ports, one 6-foot
hose, 1 intake port cap, base, four swivel caster assemblies, cord and
plug, and instruction manual.
Part NO:
200.02.003.fl104 Dust Mask
Three different types available:
Simple dust mask
Compound high- efficiency filtering mask
Plane dust mask
Made of PP
Made to EN149 standard, European CE Criteria, and carrying CE approval
Dust Mask
Dust masks offer relief from the
irritating effects of common nuisance dusts. Dust masks are
self-supporting masks and are not respirators and will not protect
lungs. The mask features an adjustable nose clip and one strap to hold
the mask in place. The dust mask should fit to the contour of the face
to cover the nose and mouth area. Straps should be tightened to create a
secure seal to the face.
Inspection, Storage, & Maintenance
Masks should be checked regularly and disposed of if there are any signs
of cracks, discoloration, or holes in the mask. Also, straps should be
checked for any signs of breakage in the rubber. Most dust masks are
disposable and should be thrown away after initial use.
Powdered dyes are micro fine and prone to suspend in the air. Sometimes
they are so small they are barely visible. The instructions for using
these powdered dyes (and most of the books on the subject) recommend the
use of a dust mask, so we found a NIOSH approved mask to offer our
customers. These are not of the single usage paper model, but rather a
comfortable, effective, and low cost alternative
