Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 1

Paul Wurth 2013 Paul Wurth 2013 1Presentation for maintenance conference Brazil 2013

Maintenance on the example of sintercoolers by Paul Wurth Umwelttechnik

GmbHAuthor: Dipl. Ing. Holger Kassebaum

Belo Horizonte 21 e 22 de Outubro de 2013

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The maintenance of castles in the air is anexpensive pleasure.Edward George Earle Bulwer-Lytton (1803 - 1873)

Born: 25. August 1845 in Schloss NymphenburgKing of Bavaria 18641886Died: 13. Juni 1886 in Starnberger See

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 2

Paul Wurth 2013 3Presentation for maintenance conference Brazil 2013

Maintenance

What are the advantages to domaintenance?

What are the objectives of preventivemaintenance?

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Definition of Maintenance (DIN 31051:2003-06)

Maintenance

Servicing

Keep thetarget state

cleangreaseadjust

Improvement

Improve thetarget- & actual

state

developoptimize

Repair

Restore thetarget state

exchangeimprove

Inspection

Set/review of theactual state

measurecheck

diagnose

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 3

Paul Wurth 2013 5Presentation for maintenance conference Brazil 2013

Maintenance Strategies:

Fly to failure Preventive maintenance Predictive maintenance Condition based maintenance

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Aims: Increase lifetime Increase operational safety Less failure Less downtime No loss of production Forward-looking planning costs

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

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Paul Wurth 2013 7Presentation for maintenance conference Brazil 2013

Maintenance means to PW

Service and maintenance manuals PW inspections and tips on site Experience for the continuous

development and improvement

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Types of existing Sinter Cooler

Cell rotary cooler preview

Cup rotary cooler preview

Cone shaft rotary cooler preview

Shaft rotary cooler preview

Linear air cooler preview

Retractable/Annular cooler preview

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 5

Paul Wurth 2013 9Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Servicing

Paul Wurth 2013 10Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Servicing

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

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Paul Wurth 2013 11Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

normal situation

Servicing

Paul Wurth 2013 12Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Servicing and Inspection

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 7

Paul Wurth 2013 13Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Correct Situation Incorrect Situation

correct.

too small.Servicing and Inspection

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Possible consequences of a lack of non-compliance with theservicing and maintenance

3) The rubber is pressed out

1) The wheel presses the rail out of the horizontal

2) This creates an angle

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 8

Paul Wurth 2013 15Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Inspection and Repair

Paul Wurth 2013 16Presentation for maintenance conference Brazil 2013

Possible consequences of a lack of non-compliance with theservicing and maintenance

Inspection and Repair

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

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Paul Wurth 2013 1717Presentation for maintenance conference Brazil 2013 17

Comparison retractable rails

- Only the under frame is welded- Rails can be aligned- Rails are interchangeable- Easy mounting

NewOld

Experiences and improvements of the Retractable air cooler

Paul Wurth 2013 1818Presentation for maintenance conference Brazil 2013 18

Comparison frame of the sinter segment

NewOld

Experiences and improvements of the Retractable air cooler

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

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Comparison grate frame bearing

Loose bearing Fixed bearing Loose bearing Fixed bearing

- Pre turned pipe more accurate bearing- Easier and more accurate mounting

NewOld

Experiences and improvements of the Retractable air cooler

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Comparison - unlocking

- Smaller lever / shaft- Less machining- Easy mounting- Lighter construction

NewOld

Experiences and improvements of the Retractable air cooler

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

Paul Wurth maintanance conference 11

Paul Wurth 2013

Comparison - consoles for drive rollers

2121Presentation for maintenance conference Brazil 2013 21

- Maintenance free- During the operation changeable- No springs- Easy mounting

NewOld

Experiences and improvements of the Retractable air cooler

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Types of Sinter Cooler

Presentation for maintenance conference Brazil 2013

Change of drive rollers during the operation

Dysfunctions, solutions & optimizationby Paul Wurth

16/10/2013

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Thank you for your attention

PAUL WURTH Umwelttechnik GmbHGrugaplatz 4

D-45131 Essenwww.paulwurth.com