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
Paul Wurth 2013 2Presentation for maintenance conference Brazil 2013
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
Paul Wurth maintanance conference 4
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
Paul Wurth 2013 8Presentation for maintenance conference Brazil 2013
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
Paul Wurth maintanance conference 6
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
Paul Wurth 2013 14Presentation for maintenance conference Brazil 2013
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
Paul Wurth maintanance conference 9
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
Paul Wurth maintanance conference 10
Paul Wurth 2013 1919Presentation for maintenance conference Brazil 2013 19
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