cyclone separator maintenance
TRANSCRIPT
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Cyclone Separator Maintenance
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SeparatorsTypes of Dust SeparatorCyclone Separator
working & types Critical ParametersAdvantagesDisadvantagesApplicationsmaintenance
Contents
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PM InspectionMaintenance of Cyclone SeparatorTroubleshooting
Contents
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What is Separator ?What is Dust Separator?Types of Dust Separator
Separators
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A dust separator is an equipment which separates solid particles from fluid mainly a gas
What is Dust Separator
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Inertial or Dry CentrifugalsWet Collectors (scrubbers)Fabric FiltrationElectrostatic Precipitators
Types of Dust Separator
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CycloneMulti tube CycleDry Dynamic
Inertial or Dry Centrifugal
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A cyclone separator is used to separate larger, heavy particles from smaller, lighter particles.
The basic principle of cyclone separators is the action of centrifugal force.
Cyclone Separator
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Working
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Tangential inletAxial inletScroll inlet
Types
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Tangential inlet
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Axial inlet
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Scroll inlet
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Gas stream velocity particle agglomeration characteristics (tendency to
join/stick together) cyclone diameter-to-length ratio
Critical Parameters
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The collected product remains dry Low capital investment Low maintenance cost Very compact in most applications Can be used under very extreme processing conditions No moving parts Constant Pressure drop Can be equipped with erosion or corrosion resistant Can be fabricated with plate metal Can handle sticky and tacky solids with proper liquid irrigation Separate liquid or solid particulates, sometime both in
combination with proper design.
Advantages
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A low efficiency for particle sizes below their ‘cut sizes’Usually higher pressure loss than other separating types,
including bag filters, low pressure drop scrubbers , ESPsSubjected to erosive wear and fouling if solids being
processed are abrasive or ‘sticky’
Disadvantages
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Oil and gas (for instance in fluidized catalytic cracking unit, FCCUPower generation Incineration plant Iron and steel industry/blast furnaces and non ferrous industriesFood industryChemical plants (plastics, elastomers, polymers, etc)Wood chip, wood mill and building material plantsSand plantsCement plantsCooking plantsCoal fired boiler
Applications
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Maintenance
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There are three general rules Cleaning the dust-collector storage hoppers at regular,
predetermined intervals.Definite scheduling of inspection for preventive
maintenance.Repairing, replacing, and cleaning all parts where
indicated by the regular inspection.
Maintenance of Dust Control Equipments
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Inspect the separator at periodic maintenance intervals for the following conditions:
Externally for rust, corrosion and peeling paintInternally for corrosion and accumulations of dirt and
oil Gaskets for damage
Preventive maintenance inspection
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Perform the following maintenance tasks.
Remove corrosion and peeling paint. Prime and paint prepared surfaces. Thoroughly clean separator internals.Replace defective gaskets.Emptying the storage hoppers at regular intervals to avoid re-
entrainment.Avoiding leakage at the dust-discharge point, especially if the unit
is under negative pressure.Routinely inspecting for buildup and extreme wear.Keeping uniform air volume to maintain constant efficiency
Maintenance
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Troubleshooting of Cyclone Separators
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