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    博雅棋牌官网石化120万吨/年石脑油综合利用项目环保情况介绍
    信息来源:  时间:2019-6-26 09:08
     
    山东博雅棋牌官网石化集团有限公司
    120万吨/年石脑油综合利用项目环保情况介绍

      项目建成投用后主要存在以下环境影响:
      1.废气:主要有预加氢进料加热炉、汽提塔重沸炉、石脑油分馏塔重沸炉、重整进料加热炉/1/2/3号中间加热炉、脱戊烷塔底重沸炉、催化剂再生炉废气、二甲苯塔重沸炉、重芳烃塔重沸炉和歧化进料加热炉共9部分废气产生和排放。其中预加氢进料加热炉、汽提塔重沸炉、石脑油分馏塔重沸炉、脱戊烷塔底重沸炉、二甲苯塔重沸炉、重芳烃塔重沸炉和歧化进料加热炉共7台加热炉,共用一个高度为80m排气筒,7台加热炉均以脱硫干气为燃料,并安装了低氮燃烧器。重整进料加热炉/1/2/3号中间加热炉共用一根高度为80m排气筒,安装了低氮燃烧器,以脱硫干气为燃料。催化剂再生炉废气:连续重整催化剂再生采用连续烧焦,烟气闭路循环。为保证再生循环气中氧含量满足烧焦要求,再生器须排出少量的烟气,并补充相应的空气,所以催化剂再生炉废气产生量较少,约为300m3/h。再生器排出烟气中主要污染物为HCl、NMHC等,采用文丘里洗涤+接触碱洗处理工艺,脱氯效率为99.9%,洗涤后的放空气通过一座高度为30m的排气筒排放。无组织废气采用泄漏检测与修复技术进行控制,动密封点每季度检测一次,静密封点半年检测一次,对检出的超标密封点及时进行修复。
      2.废水:生产废水主要为预加氢反应物分离罐、汽提塔回流罐产生酸性废水以及各原料缓冲罐、各塔顶回流罐产生的含油废水以及机泵及地面冷却废水。酸性水经公司120万吨/年酸性水汽提装置处理后部分回用,剩余部分进公司污水处理场进行处理。其他废水经厂区污水管网进公司污水处理场进行处理,污水处理工艺为:隔油+三相分离+高效气浮+溶气气浮+厌氧+好氧+深度氧化+BAF+臭氧氧化+电吸附。处理后污水大部分回用于循环水补水,剩余污水排入市政管网。
      3.固体废物:主要有废催化剂、废脱氯剂、废脱硫剂、废瓷球、废重整催化剂、废干燥吸附剂、废石墨拉西环、废白土等,按照市环保局要求,上述所有固体废物均按危险废物进行管理。公司建有符合环保要求的危险废物仓库,制定了严格的危险废物管理制度和危险废物管理计划,建立了危险废物台账和危险废物进出库记录,确保项目产生的危险废物能够得到有效管理。
      4.噪声:噪声源主要为压缩机、空冷器、机泵、冷却塔等。厂区规划装置布局合理,高噪声设备远离噪声敏感区。选用低噪声和符合国家噪声标准的设备。在机泵、空冷器、压缩机等机组设备的基础设置减振垫。风机与进、排风管得连接处采用柔性接管连接,在风机基座和基础之间设隔振混凝土基座板。厂区周围周围种植乔灌混合植被,减少噪声传播的强度和距离。通过上述控制措施,该项目产生的噪声在厂界可以满足《工业企业厂界环境噪声排放标准》(GB12348-2008)中3类声环境功能区厂界环境噪声排放限值的要求。

    山东博雅棋牌官网石化集团有限公司
    2019年6月26日
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