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Safety criteria for the transport of hydrogen in permanently mounted composite pressure vessels
(2019)
The recent growing of the net of hydrogen fuelling stations increases the demands to transport compressed hydrogen on road by tube-trailers in composite pressure vessels. As transport regulation the ADR is applicable in Europe and adjoined regions and used for national transport in EU. This regulation provides requirements based on the burst pressure of each individual pressure vessel, regardless the capabilities of the transported hydrogen and relevant consequences resulting from worst case scenarios. In 2012, BAM (German Federal Institute for Materials Research and Testing) introduced consequence-dependent requirements and established them in national requirements concerning the “UN service life checks” etc.) to consider the transported volume and pressure of gases. However, this results in a stringent requirement in case of using large pressure vessels (tubes) on tube-trailers. In the studies presented here, the key safety factors for using hydrogen trailers are identified and reviewed through some safety measures from some countries like Japan, USA and China. Subsequently, the risk, chance, failure consequences of using trailers are evaluated, in addition, the difficulties for approving huge pressure vessels (large tubes) are addressed. There, a maximum acceptable pressure-volume product is defined. Finally, a performance-based criterion for the balance of chance and risk of hydrogen trailers is suggested to add into regulations and consequently into standards for hydrogen trailers.
Safety criteria for the transport of hydrogen in permanently mounted composite pressure vessels
(2019)
The recent growing of the net of hydrogen fuelling stations increases the demands to transport compressed hydrogen on road by batterie vehicles or tube-trailers, both in composite pressure vessels. As transport regulation the ADR is applicable in Europe and adjoined regions and used for national transport in EU. This regulation provides requirements based on the burst pressure of each individual pressure vessel, regardless the capabilities of the transported hydrogen and relevant consequences resulting from worst case scenarios. In 2012, BAM (German Federal Institute for Materials Research and Testing) introduced consequence-dependent requirements and established them in national requirements concerning the “UN service life checks” etc. to consider the transported volume and pressure of gases. However, this results in a stringent requirement in case of using large pressure vessels (so called “tubes”) on vehicles. In the studies presented here, the safety measures for hydrogen road transport are identified and reviewed through some safety measures from some countries like Japan, USA and China. Subsequently, the failure consequences of using trailers, the related risks and chances are evaluated. Finally, a chance-related risk criterion is suggested to add into regulations and consequently to be defined as safety goal in standards for hydrogen transport vehicles and consequently for mounted pressure vessels.
Referring to the inter-departmental project group "Pressure Equipment" and the section "Pressure Equipment-pressure receptacles; Fuel Gas Storage Systems" developed from, it is shown here how research on safety aspects, technical regulations and the activities of the Federal Institute BAM in its role as competent authority interact to the advantage of safety of composite pressure vessels.
Der Vortrag fasst zunächst die Arbeitsgrundlage des Verwaltungshandelns im Gefahrguttransport zusammen: die internationalen Transportvorschriften und die nationalen Verordungen auf Basis des GGBefG.
Danach geht er auf die wichtigsten verwaltungsrechtlichen Begrifflichkeiten und Zusammenhänge verschiedener Gesetze ein.
Darauf aufbauend wird der Ablauf zur Bearbeitung eines Verwaltungsvorgangs und die Schnittstelle zu Z.01 erläutert.
Das Poster stellt die verschiedenen Schritte zur Bearbeitung eines Verwaltungsvorangs dar.
Dieser beginnt mit der Anbahnung des Vorgangs, mit Prüfung der Rechtsvorschriften und der Erforschung des Kundenwillens. Im nächsten Schritt wird die Vollständigkeit der Unterlagen geprüft, bevor im Fall positiv geprüfter Unterlagen (Nachweis der Erfüllung der Rechtsanforderungen) der Bescheid erstellt und der Verwaltungsakt abgeschlossen werden kann.