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Презентация на тему Krauss-Maffei Pusher Centrifuges

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© ANDRITZ 2011Table of ContentsProcess data and applicationsLayoutProcess basics of pusher centrifugesDouble filtration technologyProcess featuresMechanical featuresControlsReferencesOptional Features
Krauss-Maffei Pusher Centrifuges SZContinuous Separation © ANDRITZ 2011Table of ContentsProcess data and applicationsLayoutProcess basics of pusher centrifugesDouble © ANDRITZ 2011Process Data & ApplicationsProcessing Parameters:Average Particle Size:		80 - 2000 µmFeed © ANDRITZ 2011Exchangeable solids dischargeLayout: Process side overviewFiltrate outlet with separation of © ANDRITZ 2011Layout: Drive Side OverviewPusher motor with pumpMain motorDampersBase frame serves © ANDRITZ 2011Cross Section Pusher CentrifugeBasket second stageBasket first stagePusher plateFeed systemHollow shaftPusher shaftPusher control system © ANDRITZ 2011Process Basics Pusher CentrifugeFeeding, distribution & main dewateringDischargeWashingIntermediatedewateringFinaldewateringAdditivesWash liquidSolidsFiltrate Double Filtration Technology Traditional Main Filtration stepspusher plateprocesssuspension is fed continuouslymoves backwardThe © ANDRITZ 2011Process FeaturesProcess HousingFeatures:Removable inspection coverLarge door to process areaFeed pipe © ANDRITZ 2011Process FeaturesBolt distributor with acceleration coneFeed impeller withacceleration coneSlurry Feed © ANDRITZ 2011Process FeaturesSlot ScreenFeatures:Low profile screenBasket with tapered drain holesOnly one © ANDRITZ 2011Process FeaturesWear RingsFeatures:Exchangeable wear ringsAccurately manufactured slot to screenUser benefits:Reduction © ANDRITZ 2011Mechanical FeaturesHousing SealingFeatures:Simple and contact free sealing of process area( © ANDRITZ 2011Mechanical FeaturesPusher Shaft SealingFeatures:Multiple seal ringsLeakage control deviceUser benefits:No possibility © ANDRITZ 2011Mechanical FeaturesCartridgeFeatures:No disconnecting of process piping during maintenanceMaintenance possible in © ANDRITZ 2011References80 years of experience3.500 pusher centrifuges world widePusher centrifuges including ANDRITZ KMPT GmbHIndustriestrasse 1-3D-85256 VierkirchenPhone: +49 8139 80 299 0kmpt@andritz.comwww.kmpt.com © ANDRITZ 2011Foundation AlternativesSet up on rubber padsSet up on concrete or steel foundation block
Слайды презентации

Слайд 2 © ANDRITZ 2011
Table of Contents
Process data and applications
Layout
Process

© ANDRITZ 2011Table of ContentsProcess data and applicationsLayoutProcess basics of pusher

basics of pusher centrifuges
Double filtration technology
Process features
Mechanical features
Controls
References
Optional Features


Слайд 3 © ANDRITZ 2011
Process Data & Applications
Processing Parameters:
Average Particle

© ANDRITZ 2011Process Data & ApplicationsProcessing Parameters:Average Particle Size:		80 - 2000

Size: 80 - 2000 µm
Feed Solids Concentration: > 20 %

wt (crystalline products)
Solids Throughput: up to 150 t/h
Basket Diameter: 250 mm – 1250 mm
Solids Recovery: up to 99 % wt

Applications:
Bulk Chemicals (Soda applications, NaCl etc.)
Agro Chemicals (KCl, Ammonium sulphate, Urea etc.)
Platics/ related (ABS, POM, Adipic acid etc.)
Foodstuff/ related (Sodium hydrogene carbonate, Phosphoric acid etc.)

Слайд 4 © ANDRITZ 2011
Exchangeable solids discharge
Layout: Process side overview
Filtrate

© ANDRITZ 2011Exchangeable solids dischargeLayout: Process side overviewFiltrate outlet with separation

outlet with separation of liquids
Slurry inlet (feed pipe)
Flanged solids

outlet

Cake wash and basket rinsing pipe

Process housing with inspection covers

Utility connections all on front side


Слайд 5 © ANDRITZ 2011
Layout: Drive Side Overview
Pusher motor with

© ANDRITZ 2011Layout: Drive Side OverviewPusher motor with pumpMain motorDampersBase frame

pump
Main motor
Dampers
Base frame serves as oil reservoir
Oil cooler
Bearing block

(cartridge design)

Main shaft and pusher shaft sealing

Terminal box


Слайд 6 © ANDRITZ 2011
Cross Section Pusher Centrifuge
Basket second stage
Basket

© ANDRITZ 2011Cross Section Pusher CentrifugeBasket second stageBasket first stagePusher plateFeed systemHollow shaftPusher shaftPusher control system

first stage
Pusher plate
Feed system
Hollow shaft
Pusher shaft
Pusher control system


Слайд 7 © ANDRITZ 2011
Process Basics Pusher Centrifuge
Feeding, distribution &

© ANDRITZ 2011Process Basics Pusher CentrifugeFeeding, distribution & main dewateringDischargeWashingIntermediatedewateringFinaldewateringAdditivesWash liquidSolidsFiltrate

main dewatering
Discharge
Washing
Intermediate
dewatering
Final
dewatering
Additives
Wash liquid
Solids
Filtrate


Слайд 8 Double Filtration Technology
Traditional Main Filtration steps
pusher plate
process
suspension

Double Filtration Technology Traditional Main Filtration stepspusher plateprocesssuspension is fed continuouslymoves

is fed continuously
moves backward
The solids are retained on the

screen

rear position

loose suspension slides backward

moves forward

Loose suspension becomes compressed

moves forward

Solids become pushable and pushes
the cake to the front

forward position

feed zone is flooded up to the cake surface

moves backward

a portion of the newly created cake
slides backward

© ANDRITZ 2011


Слайд 9 © ANDRITZ 2011
Process Features
Process Housing
Features:
Removable inspection cover
Large door

© ANDRITZ 2011Process FeaturesProcess HousingFeatures:Removable inspection coverLarge door to process areaFeed

to process area
Feed pipe through top of housing
Door hinge

on SZ 630 and larger size
Tangential Inspection covers for easy basket shell inspection
User benefits:
Best access to process area
Easy maintenance without removal of connections and heavy parts

Слайд 10 © ANDRITZ 2011
Process Features
Bolt distributor with acceleration cone
Feed impeller

© ANDRITZ 2011Process FeaturesBolt distributor with acceleration coneFeed impeller withacceleration coneSlurry

with
acceleration cone
Slurry Feed System
Features:
Gentle product acceleration
High filtration rate
Homogeneous product

distribution leads to smooth operation
User benefits:
High product quality
Reduced maintenance costs
High availability

Слайд 11 © ANDRITZ 2011
Process Features
Slot Screen
Features:
Low profile screen
Basket with

© ANDRITZ 2011Process FeaturesSlot ScreenFeatures:Low profile screenBasket with tapered drain holesOnly

tapered drain holes
Only one or two sections per basket
More

free filtration area (open area)
User benefits:
Low solids attrition
Easy installation
Reduced sediments between basket and screen
Easy cleaning of basket exterior
Reduced down time of machine
Accurate distance between wear ring and screen

Standard design welded screen

Milled slot screen (alternative)


Слайд 12 © ANDRITZ 2011
Process Features
Wear Rings
Features:
Exchangeable wear rings
Accurately manufactured

© ANDRITZ 2011Process FeaturesWear RingsFeatures:Exchangeable wear ringsAccurately manufactured slot to screenUser

slot to screen
User benefits:
Reduction of solids lost with filtrate
Reduction

of consumables to a minimum

Standard design wear ring

Wiper segments (alternative)


Слайд 13 © ANDRITZ 2011
Mechanical Features
Housing Sealing
Features:
Simple and contact free

© ANDRITZ 2011Mechanical FeaturesHousing SealingFeatures:Simple and contact free sealing of process

sealing of process area( absolute no product contamination)
Standard water

free design
Water design alternative available
Gas tight alternative available

User benefits:
Safe operation
Maintenance friendly

Sealing gas
connection (air)


Слайд 14 © ANDRITZ 2011
Mechanical Features
Pusher Shaft Sealing
Features:
Multiple seal rings
Leakage

© ANDRITZ 2011Mechanical FeaturesPusher Shaft SealingFeatures:Multiple seal ringsLeakage control deviceUser benefits:No

control device
User benefits:
No possibility of cross -contamination product /

lubricants
Safe operation
Simple check of sealing condition

stroke
length


Слайд 15 © ANDRITZ 2011
Mechanical Features
Cartridge
Features:
No disconnecting of process piping

© ANDRITZ 2011Mechanical FeaturesCartridgeFeatures:No disconnecting of process piping during maintenanceMaintenance possible

during maintenance
Maintenance possible in a workshop
Replacement against spare cartridge

possible
User benefits:
High availability
Reduced maintenance costs

Слайд 16 © ANDRITZ 2011
References
80 years of experience
3.500 pusher centrifuges

© ANDRITZ 2011References80 years of experience3.500 pusher centrifuges world widePusher centrifuges

world wide
Pusher centrifuges including pre-thickening systems
Test and rental units

available

Krauss-Maffei SZ 1250 – largest pusher in the world


Слайд 17 ANDRITZ KMPT GmbH
Industriestrasse 1-3
D-85256 Vierkirchen
Phone: +49 8139 80

ANDRITZ KMPT GmbHIndustriestrasse 1-3D-85256 VierkirchenPhone: +49 8139 80 299 0kmpt@andritz.comwww.kmpt.com

299 0
kmpt@andritz.com
www.kmpt.com


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