Langen, Josef ; Müller, Andreas ; Ströhle, Jochen ; Epple, Bernd (2016)
Online measurements of fireside high temperature corrosion in power plants with membrane wall sensors.
In: VGB PowerTech, 2016 (12)
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
The Institute for Energy Systems and Technology of the TU Darmstadt develops corrosion measurement systems especially for evaporator walls of lignite- and hard coal-fired power plants. The fireside high temperature corrosion is determined time resolved by applying electrochemical measurement techniques. Therefore a new membrane wall sensor was developed which is passively cooled by the membrane wall and can be located in arbitrary positions of evaporator walls. To qualify the measurement technique for measurements in power plants, various tests were performed in lab-scale test facilities. Here, a high sensitivity with respect to a small content of corrosive gases (H2S) in a synthetic flue gas could be shown. Furthermore, corrosion measurements were performed in two power plants of which one has a strong corrosive atmosphere at evaporator walls and the other one has a low corrosive atmosphere. Accordingly high and low corrosion signals were measured in the two power plants, respectively.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2016 |
| Autor(en): | Langen, Josef ; Müller, Andreas ; Ströhle, Jochen ; Epple, Bernd |
| Art des Eintrags: | Bibliographie |
| Titel: | Online measurements of fireside high temperature corrosion in power plants with membrane wall sensors |
| Sprache: | Englisch |
| Publikationsjahr: | 2016 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | VGB PowerTech |
| Jahrgang/Volume einer Zeitschrift: | 2016 |
| (Heft-)Nummer: | 12 |
| Kurzbeschreibung (Abstract): | The Institute for Energy Systems and Technology of the TU Darmstadt develops corrosion measurement systems especially for evaporator walls of lignite- and hard coal-fired power plants. The fireside high temperature corrosion is determined time resolved by applying electrochemical measurement techniques. Therefore a new membrane wall sensor was developed which is passively cooled by the membrane wall and can be located in arbitrary positions of evaporator walls. To qualify the measurement technique for measurements in power plants, various tests were performed in lab-scale test facilities. Here, a high sensitivity with respect to a small content of corrosive gases (H2S) in a synthetic flue gas could be shown. Furthermore, corrosion measurements were performed in two power plants of which one has a strong corrosive atmosphere at evaporator walls and the other one has a low corrosive atmosphere. Accordingly high and low corrosion signals were measured in the two power plants, respectively. |
| Fachbereich(e)/-gebiet(e): | 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Institut für Energiesysteme und Energietechnik (EST) |
| Hinterlegungsdatum: | 30 Jan 2018 14:04 |
| Letzte Änderung: | 14 Jan 2019 08:09 |
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