In order to promote the strategic goal of low-carbon development,hydrogen transportation through natural gas pipelines,as one of the important means to achieve large-scale,long-distance and low-cost hydrogen transportation,has been vigorously developed in recent years.However,the addition of hydrogen to the safety of pipeline transportation can not be ignored.Based on the current research status of hydrogen-doped natural gas,this paper proposes several measures to prevent hydrogen embrittlement from the perspective of hydrogen embrittlement of pipeline steel according to the service en-vironment of pipelines.Inhibiting gases such as CO,CH4 and O2 can be inhibited by competitive adsorption alone or in co-ordination with hydrogen embrittlement.Common alloy coatings and two-dimensional novel materials with high hydrogen re-sistance(graphene,BN,MXene and TMDs).The pipeline steel is modified by heat treatment and addition of alloying ele-ments,including heat treatment to adjust the structure and grain boundaries,adding alloying elements to increase hydrogen resistance precipitates,etc.
维普
万方数据