bleeder turbine

A bleeder turbine is a type of steam turbine from which steam is drawn at intermediate points in the casing. This extracted steam is then used for various purposes, such as heating feedwater for the boiler, industrial fluids, or for district steam heating.1

This extraction process is a classification method for steam turbines. While straight-through turbines have no steam extraction, bleeder turbines extract steam without actively controlling its pressure, meaning the pressure varies with the turbine's load. Controlled-extraction turbines, on the other hand, are designed to withdraw steam at a constant pressure, regardless of the load, and are often used when industrial processes require steam at specific intermediate pressures.2