Fossil Fired Power Plant
The figure below represents a typical balanced draft system with a "cold" precipitator.
The main sections of the ducting are as follows.
- FD Fan to Air Preheater
- Air Preheater to Boiler
- Air Preheater to Pulverizer
- Air Preheater to Inlet from Boiler
- Air Preheater to Precipitator or Bag house
- Precipitator or Bag house to ID Fan
- ID Fan to Scrubber
- Scrubber to Stack
See figure below for examples of fabric expansion joints being used with ducting.
**Black components are Fabric Expansion Joints.
**The examples above are representative and should not be used for design. The user should obtain actual values for the particular system being considered.
Download Metallic Pipe Exapnsion Joint Catalog [PDF]