Decanter centrifuge is for separate solids materials from
liquids slurry and therefore plays an important role in wastewater
treatment, chemical , oil and food processing industries. There are
several factors that affect the performance of a decanter
centrifuge and some design heuristic to be followed which are
dependent upon given applications. The
advantages of our product1. Industrial design Whole machine set
design follows concept of advanced industrial design,ensures
stability,functionality and safety of whole machine.Also
effectively absorbs shear force of dynamic load during operation.
2. Effectively ease resonance during rotating of
bi-rotor When centrifuge works,there is no obvious first-order and
two-order resonance regions within designed speed range,meanwhile
,whole vibration intensity of bearing seat is definited within
2mm/s-4mm/s.All of this eliminates extra fatigue damage to
components and assembly units from high frequency vibration during
operation and sudden vibration when shut down. 3.
Thoroughly eliminate phenomenon of liquid ring stalling Phenomenon
of liquid ring stalling happens during heavy duty boot or shutdown
process of complete set machine,especially for LW550 and even
larger models,It would makes bounce or wild shake,causes extra
impact fatigue damage to main bearings,screw bearings and inner
parts of rotary bowl.Fortunately ,our engineers have solved this
problem thoroughly. 4. Unique technique adopt in main
component work-blanks The manufacturing methods of main
component work-blanks are adopt centrifugal casting technique and
overall mould-making forging technique,thoroughly avoid risks such
as inter-granular corrosion and relaxation of residual stress
release in welding joint. 5. Main bearing electrical
components selection We use origin bearings of international
first-line brands such as S-K-F,F-A-G and so on.Electrical
components mainly adopt ABB and Siemens 6. Constant
temperature detection All fashioning components and assembly units
are detected in constant temperature condition,to make sure of
actual processing quality meets the requirements of designed
precision accuracy. 7. Inter-change ability Whole
machine physical design and processing technique adopted in
critical position,ensure all assembly units and bowls of the same
centrifuge model interchangeable.It is not only easy to maintain
,but also greatly improve the reliability and safety of equipment.
8. Simplyand safely in bearing disassemblement One
layer of oil film is injected into contact surfaces between bearing
and work-piece by high- pressure,during disassemblement bearing
from the machine.which would fundamentally eliminate friction
within different parts.As a result,it would reduce 90% of pulling
force and lower the risk of damage to high-precision parts when
disassemble bearing. 9.Main bearing lubrication system There are
two kinds of lubrication system for specific product models : A
thin oil lubrication * Oil pump offers an uninterruptedly
power to ensure oil works circularly; * Jet oil lubrication
constantly clean and lubricate bearings and reduce temperature;
* Oil filter system ensure lubricant's cleanliness; *
Oil pressure energy storage system ensure lubrication pump offers
an extra oil supply(the pressure is no less than 0.4Mpa) for
5-6 minutes,when power fails accidentally; * Constant
temperature system is available. B grease lubrication * Adopt
a grease with properties of extreme pressure resistance ,oxidation
resistance ,abrasion resistance,water scour
resistance,corrosion-proof and high temperature
resistance. * Optional automatic grease system fills grease
on main bearing at designed hours and quantity. 10.
Main bearing BH device (patent design) There are two spare
safe bearings at either end of main bearing.When machine works
well,they keep certain clearance from bearing inside track to chief
axis.When unexpected condition occurs,main bearing got damaged or
circle center deviation causing an amplitude of vibration reaches
to designed clearance,safe bearings begin to work as main bearing
Meanwhile,computer automatic control system would get a feedback of
abnormal vibration value on bearing position immediately then
activates emergency shutdown and goes a smooth shut down.This
system protects machine free from damaging and ensure production
safety. 11. GSRL feeding device (potent design)
New design of internal spiral core tube has got following
achieves.Without reducing centrifugal acceleration,shorten triangle
belt's traction time,reduce disorder of swirling flow and extend
separation time.Meanwhile increases inner working pressure of
centrifuge,and restrains liquid foaming Technical
Parameters:ModelDiameter(mm)Max. Speed(rpm)Separation
FactorCapacity(M3/H)Power(kw)Weight(kg)Overall
Size(mm)LW250×1000250540040802-1011-1510002600×760×1115LW300×700250460035532-1011-1511202335×814×1170LW300×1000300460035532-1011-18.513802635×814×1170LW350×100035042
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