Technologies for efficient grinding of plant and animal waste: a review
EUREKA Physics and Engineering,
Journal Year:
2025,
Volume and Issue:
2, P. 54 - 77
Published: March 28, 2025
The
article
considers
the
issue
of
technologies
for
grinding
waste
plant
and
animal
origin.
A
review
modern
research
works
period
2020–2024
is
conducted.
analysis
scientific
has
revealed
10
most
promising
that
can
grind
comparative
results
available
information
on
each
origin
carried
out,
establishing
methods
destruction,
name
crushing
equipment
working
bodies,
advantages
disadvantages.
It
was
water-jet
technology
great
potential,
in
which
cutting
speed
reaches
1000
m/s
due
to
high-energy
water
flow,
capable
providing
preliminary
destruction
wood
meat
bone
various
thicknesses.
Many
articles
focus
secondary
raw
materials
purpose
preparing
feed,
since
biologically
valuable
properties
production
high-quality
feed.
Separately,
it
should
be
noted
all
are
based
use
technical
devices.
In
this
case,
such
bodies
as
hammers
significantly
used
crushing.
indicates
11
hammer
designs
with
2
8
surfaces
one
hammer,
6
hinge
holes
18
240
sharp
ends
hammer.
been
established
trend
improving
eliminate
passive
zones
surfaces,
ensure
a
longer
service
life
by
using
new
provide
combine
impact-cutting
effects
intensive
crack
formation
crushed
particles
Language: Английский
Justification of parameters of impact-spreading finger shaft for grinder-mixer-dryer using the example of eggshells
Eastern-European Journal of Enterprise Technologies,
Journal Year:
2024,
Volume and Issue:
3(1 (129)), P. 33 - 44
Published: June 28, 2024
The
object
of
the
study
is
to
determine
critical
impact
speed
during
shell
destruction,
crack
formation
in
shell,
and
grind
shell.
When
operating
a
grinder-mixer-dryer,
problems
arise
such
as
determining
on
depending
height
its
fall,
lack
ability
fall
from
certain
heights,
which
complicates
planning
operation
finger
shaft.
As
result
research,
it
was
found
that
an
auger
with
knives
crushes
moves
feed
raw
materials,
impact-spreading
shaft
ensures
partial
grinding
fragile
materials
intensive
processes
mixing
drying
wet
uniform
filling
installation
hopper.
appearance
cracks
when
falls
0.15
m
has
been
experimentally
recorded.
Therefore,
this
metal
surface
peripheral
shaft,
crushing
theoretical
studies,
analytical
expression
obtained
provides
determination
fall.
value
fingers
determined
be
1.66
m/s.
experimental
results
showed
effective
occurrence
grinding,
processes.
Moreover,
within
15
minutes
installation,
crushed
accordance
requirements.
uniformity
reached
up
90
%
4
6
operation,
proceeded
at
rate
26.54
per
hour.
All
proves
effectiveness
food,
also
confirms
reliability
research
Language: Английский