Fabricated a condenser casing around the Lamella plate assembly so that the old unit could be removed and replaced during the Nov 2019 shut.
Key Elements:
- Stainless Steel 304 plate Fabrication of casing and Inlet water box.
- Surface Condenser Casing around 1.5m deep x3m wide and 5m high.
- Water box fitted to condenser shell, domed end, 1.75m radius, 2.5m wide 3m high.
- 1m Inlet Header plus vessel 500mm diam by 2m long.
- Pipe outlet nozzles and pipe nozzles.
Challenges:
- OJI Discovered late that replacement was required for Nov shut. Fabrication accelerated after October award to meet installation during shut.
- Fabricated blow heat evaporator casing around Lamella Condensation assembly.
- Old unit ‘rotten’ and difficult to remove and lift out safely.
- Surface Condenser located in the hazardous gas area of the P&P plant.
- All nozzles, inlets and outlets had to match up with existing site pipes and ducts.
- Walkways removed and replaced.
