含硫化氢天然气管道工程全过程质量管理

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DOI:10.3969/j.issn.1001-2206.2025.04.011
关键词: 腐蚀机理;质量缺陷;全过程质量管理;工序倒置;三查四定
Abstract:Thecorosioncausedbyhydrogensulfide(H2S)innatural gasthreatens thesafeoperationofmetalpipelinesandequipment. Evenminorproductqualitydefectsorconstructionflawsmaylead toserioussafetyincidents.Thetargetedqualitymanagement objectivesandmeasures covering thewholeprocessoftheprojectwereproposed,including preliminaryplaning,project implementationandfinalhandoveradaceptane.Cricalqualitycontrolpointsandstandadizedmethodologiesforall phaseswere analyzedandspecified,incudingdesign,construction,acceptancetesting,andoperation.Significantguidancewasprovidedfor controling and enhancing the overall qualityin hydrogen sulfide-containing natural gas pipeline engineering.
Keywords:HScorrosion mechanism;qualitydefect; whole-process quality management; processsequence inversion;threechcks and four confirmations
天然气中的硫化氢( ΔH2S )具有强腐蚀性,可引起钢材4种形式开裂[1]:氢鼓泡(HB)、氢致开裂(HIC)、硫化物应力开裂(SSC)和应力导向氢致开裂(SOHIC)。(剩余7563字)