FAILURES ANY CHANGE IN OPERATING PARAMETERS CAN HAVE A S G - - PDF document

FAILURES

ANY CHANGE IN OPERATING PARAMETERS CAN HAVE A S G C C O SIGNIFICANT EFFECT ON THE LIFE OF THE REFRACTORY LINING

EVERY HEAT-UP AND COOL DOWN IS REDUCING THE LIFE OF THE LINING OF THE LINING

EVEN SHORT TERM EVEN SHORT TERM TEMPERATURE EXCURSIONS OR TRIPS – START BY LOOKING AT THE THERMAL MASS INVOLVED THE THERMAL MASS INVOLVED

SULPHUR UNIT November START -UP

FLAME 20500C TIME

WHY DID A 90% ALUMINA WHY DID A 90% ALUMINA BRICK FAIL ?

FAILURES

• No. 1 CAUSE OF

PREMATURE REFRACTORY FAILURE REFRACTORY FAILURE

TEMPERATURE INSTRUMENTATION INSTRUMENTATION

• NONE

LOCATION

• LOCATION
• CONSTRUCTION

REFRACTORY FAILURES FAILURES

THE THIRD MOST THE THIRD MOST COMMON Over the years Production has increased output / has increased output / demands and the original refractory design refractory design parameters are no longer valid. no longer valid.

REFRACTORY FAILURES FAILURES NEW PLANTS

COMMON FACTORS INTERFACE BETWEEN INTERFACE BETWEEN REFRACTORIES AND :

• STEELWORK

INSTRUMENTATION COMMISSIONING INSTALLATION REQUIREMENTS REQUIREMENTS

• LABOUR SKILLS
• REFRACTORY SPECS.

ANY HOT METAL SYSTEMS

HOW DO YOU HOW DO YOU MEASURE REFRACTORY PERFORMANCE PERFORMANCE

?