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硫化氢含量和水露点是CNG的重要物理参数,也是CNG加气站生产与销售过程中的主要质量指标。天然气中硫化氢含量及水露点超标,不仅会造成管道气路冰堵,而且还会对加气站设备与车载气瓶产生腐蚀,严重影响CNG加气站和CNG汽车的安全运行。目前,多数CNG加气站的气体品质不稳定,水露点超标是最主要的原因,夏季尤为明显。结合重庆市加气站实际生产情况,分析CNG产品质量问题的主要原因,探寻解决对策,努力确保气质达标。
Hydrogen sulfide content and water dew point are important physical parameters of CNG and are also main quality indicators during the production and sales of CNG filling stations. The excess of hydrogen sulfide content and water dew point in natural gas will not only cause ice blockage in the gas pipeline of the pipeline, but also corrode the gas filling station equipment and the vehicle gas cylinder and seriously affect the safe operation of CNG filling stations and CNG vehicles. At present, the gas quality of most CNG refueling stations is unstable and the water dew point exceeding the standard is the most important reason, especially in summer. According to the actual production situation of CNG station in Chongqing, the paper analyzes the main causes of CNG product quality problems, explores countermeasures and strives to ensure that the quality is up to standard.