Alstom (switzerland) Ltd

Rudolf Herzog

Erhard Friedrich Liebig

Wolf-Stephan Wilke

Georg Ziegler

Hamid Olia

After the economizer, an injection water pipe branches off the connecting pipe between economizer and evaporator in order to control the steam temperature. The injection water pipe is provided with a control device for controlling the injection water flow. The injection water flowing through the injection water pipe is injected into the steam coming from the evaporator at a mixing point located before the superheater. In order to control the position of the control device in the injection water pipe, the enthalpy at the superheater outlet is calculated from the parameters pressure and temperature and is compared with a desired enthalpy resulting from the desired parameters.

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Tobel, Switzerland

Rudolf Herzog