Rebuilding of DCU Fired Heater

DCU Heater - Esteem

Esteem executed complete heater rebuild in a duration of just 30 days. Job included dismantling and erection of casing, refractory & coils of both Convection & Radiant section of DCU Heater.

Project Details

Project: Rebuilding of DCU - 1 Fired Heater
Client: Indian Oil Corporation Ltd. - Bongaigaon Refinery
Shutdown duration: 30 working days

Fired Heater Details

Heat Duty: 23.76 MMKcal/hr
Service: Delayed Coker
Configuration: Horizontal twin cell box heater with convection and stack on top

Key improvenents

Heater efficiency increase from 76.4% to 84.7% post revamp (increase of 8.2% net)

Fuel savings of approx INR 34,980,000 per year

Reduction in average values of NOx by around 66 µg/Nm3

Simple pay back period of 4.5 years for client

Client Feedback

"After revamp of the fired heater of DCU-1, the thermal efficiency of the heater has improved by 8%."

"We appreciate their professional approach and good quality workmanship during execution of this critical job."