Chemical
Industry
We are industry
leaders in fine
and difficult
screening
applications.
Our multifrequency
screeners are
able
to provide
separation
solutions that
cannot be
obtained with
conventional
machines.
Several examples of difficult-to-screen applications in the sector:
TEBIS (Bromine based fire retardant) is a powder, which has bad
flowability.
Improving flowability is possible by eliminating the fine particles.
Screening task - fines removal at 45 microns, which is impossible to
reach by
conventional
screening
machines because
of instant powder
agglomeration.
We have
succeeded to
provide
industrial
multifrequency
screening of the
TEBIS with
capacity up to
400 kg/h per sq.
m of
screen area. The
overflow product
with reduced
fines content,
gained the
needed
flowability
without the
problem of lump
forming.
Calcium Hypochlorite granular was screened by conventional round vibratory
separators with
360 µ sieves, but
screening
capacity quickly
decreased over
time because of
gradual clogging
of the sieve
aperture. To
maintain planned
throughput,
plant operators
on duty were
forced to brush
sieves manually
after
every 2 hours
operation, which
caused pollution of
aggressive
oxidizing dusts
and gases.
Introduction of
our
multifrequency
adapter to this
screening line
made possible
constant
automatic
self-cleaning of
meshes, thus
keeping the
required
throughput
without
involvement of
operators.
Precipitated silica powder, was classified as "impossible-to-screen"
by conventional
separators
having sieve
aperture of
280 µ. After
implementation
of our
multifrequency
inserts it was
successfully
processed in
control
screening
application,
where our
customer reached
capacity of 400
kg/h per sq. m.
Carborundum (SIC) powder can not be separated with conventional
screen at 27µ
aperture. This
very fine
abrasive
material was
successfully
screened by our
multifrequency
machine with
capacity up to
300 kg/h per
sq. m of
screen area.
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For difficult-to-screen chemical products we recommend our
following multifrequency
machines:
Machines are available in stainless steel or carbon steel.
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