中石化的石家庄炼化尾气"变身"出效益,利用尾气变出什么效益的啊??

2025-03-28 13:50:08
推荐回答(1个)
回答1:

每天密切关注PSA尾气供一套制氢装置管线的系统压力,压力稍有变化及时与制氢主操沟通。近一个月来,石家庄炼化蜡油加氢装置内操张文哲的工作增加了新的内容,可在他的眼中,这不是额外的负担,用职工们的戏言说,这可是一项尾气巧变身、抱回“金娃娃“的好事!

  自石炼800万吨油品质量升级项目开工以来,蜡油加氢装置作为一套新工艺,始终坚持进行摸索调整,寻求最佳运行状态。石炼800万项目依托化工园区的循环化工经济模式,氢气、蒸汽等介质需要园区相关企业配套提供,氢气保障性差成为制约企业的一个瓶颈问题。面对这种情况,随着运行状态逐步趋稳,蜡油加氢装置在产生氢气的过程中,副产的PSA尾气进入一套制氢装置,作为制氢原料,成为企业优化的一道课题。

  PSA全称重整氢变压吸附提纯装置,其尾气原本直接进入燃料管网,其供应制氢装置最大的难题是压力必须平稳,因为压力波动可能会造成制氢装置水碳比失调,催化剂积碳,严重可能会造成装置停工。而要实现压力平稳,就必须对该控制回路参数进行整定,这说起来容易,PSA尾气压力设计回路复杂,调整难度大,蜡油加氢装置工艺技术员尚计铎主动担起这个重任,利用4个小时进行精细调整,最终完成了参数整定。

  经过一个余月的运行,PSA尾气以每小时2655标立方平稳供给一套制氢装置,成为了制氢原料,两套装置之间也建立了密切联系,随时配合进行调整。“这不仅减少了尾气进燃料管网的流量,缓解了企业氢气保障性差的难题,据测算,还能每月为企业增加效益130余万元呢!”装置主任齐庆轩说。

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