Objective of equipment maintenance Objective of equipment maintenance Maintenance frequency...
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Transcript of Objective of equipment maintenance Objective of equipment maintenance Maintenance frequency...
MAINTENANCE MAINTENANCE Of Heat Transfer Of Heat Transfer Equipment In The Equipment In The
Petroleum IndustryPetroleum Industry
More than More than 40,000 (forty 40,000 (forty thousands) thousands) tons of heat tons of heat transfer equipment is transfer equipment is manufactured annually for manufactured annually for the petroleum and gas the petroleum and gas industries.industries.
Objective of equipment maintenanceObjective of equipment maintenance Maintenance frequencyMaintenance frequency Inspection and TestingInspection and Testing Process types and operational Process types and operational
practicespractices Maintenance contractor qualificationMaintenance contractor qualification Case studiesCase studies ConclusionConclusion
Heat transfer equipment have different Heat transfer equipment have different maximum maintenance frequencies.maximum maintenance frequencies.
Frequencies are based on heat intensity, Frequencies are based on heat intensity, process type, and equipment reliabilityprocess type, and equipment reliability. .
EquipmentEquipment Max. Interval (Mo.)Max. Interval (Mo.)
Fired BoilerFired Boiler 2424
Unfired BoilerUnfired Boiler 3636
Process Fired Process Fired HeaterHeater
6060
Hydrogen ReformerHydrogen Reformer 4848
Heat ExchangerHeat Exchanger 6060
Inspection prior to maintenance.Inspection prior to maintenance. Inspection records.Inspection records. Inspection log.Inspection log. External Inspection.External Inspection. Internal Inspection.Internal Inspection. Pressure testing.Pressure testing.
Equipment Equipment handles different handles different types of types of processes.processes.
Erosion, Erosion, Corrosion, and Corrosion, and fouling.fouling.
Normal Operation Normal Operation and and abnormalities.abnormalities.
Equipment design Equipment design limits.limits.
Recommend Recommend maintenance maintenance friendly design.friendly design.
Repair Certification Repair Certification “R” Stamp per NIBC“R” Stamp per NIBC
Experience.Experience. Good reference list.Good reference list. Reliability.Reliability. Warranty.Warranty.
Water tube boiler.Water tube boiler. Short term Short term
overheating.overheating. Insufficient Insufficient
circulation design.circulation design. Design Modification Design Modification
of steam drum of steam drum internals.internals.
Repeat same Repeat same modification to modification to similar boilers.similar boilers.
Wrong Refractory Wrong Refractory Design.Design.
Sulfur Dew Sulfur Dew Condensation Condensation behind Refractory.behind Refractory.
Complete repair of Complete repair of the Furnace Shell the Furnace Shell Bottom.Bottom.
Qualified Qualified Contractor for the Contractor for the job.job.
Reaction Furnace Shell Reaction Furnace Shell Failure.Failure.
Sulfur Condenser.Sulfur Condenser. Wrong Shutdown Lay Wrong Shutdown Lay
up Procedure.up Procedure. Sulfuric Acid Sulfuric Acid
Formation.Formation. Tube Corrosion.Tube Corrosion. Complete Retubing of Complete Retubing of
1654 tubes.1654 tubes. Qualified Contractor Qualified Contractor
for the job.for the job.
Burn Pit.Burn Pit. Inadequate Refractory Inadequate Refractory
Structure.Structure. Premature Failure.Premature Failure. Structure Redesign.Structure Redesign.
Maintenance of heat Maintenance of heat transfertransfer equipment equipment requires:requires:
Adequate knowledge of the equipment.Adequate knowledge of the equipment. Maximum set forth frequencyMaximum set forth frequency Proper Inspection and TestingProper Inspection and Testing Handling by qualified personnel.Handling by qualified personnel.