Cairo Oil Refining Company
Supply of Two New AIR PREHEATERS FOR FIRED HEATERS 1F-1 & 4H-1 Complete with INDUCED DRAFT FANS
• AIR AND FLUE GAS DUCTING: Each Air Preheating System shall include as minimum:
Cold air duct with new gate from existing forced draft fans duct to new APH
Hot air duct with new gate from new APH to existing burners duct
New air by-pass duct from cold air to hot air with its new damper and new actuator
Bypass control philosophy is shown in attached PID 4435-03-PID-00001 P&ID Rev00
• INDUCED DRAFT FANS:
Two Induced Draft Fans (2x100%) with electric motor with shall be provided to impulse the flue gas from the Air Preheater outlet flange to the flue gas stack for Topping Heater
One fan shall be in operation and the other one, in standby