[分享]设备管道吹扫置换安全技术规定

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<p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><b><span style="FONT-SIZE: 14pt; COLOR: red; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">设备管道吹扫置换安全技术规定<span lang="EN-US"><p></p></span></span></b></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第一条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>凡存放过可燃、可爆、有毒、有害物料的设备及管道，在检修或动火前，必须排尽物料，吹扫、置换干净，分析合格。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第二条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>置换前须制定吹扫、置换方案，必要时应画出吹扫流程图，防止遗漏，杜绝死角。与生产、贮存设备连接处，除关死阀门外，必须堵严盲板，挂上标志，隔绝物料来源。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第三条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>排放燃爆、有毒、有害物料的要求：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　１、低沸点易燃液体（如液化石油气、正戊烷）及可燃气体，应尽量排入火炬管网，不得已在高点排空时，应缓慢进行。<chmetcnv wst="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="0" unitname="米">３０米</chmetcnv>内禁止检修及动火。并注意风向，防止吹入明火生产区。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　２、严禁排向地面、雨排及化污井内。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　３、ＨＦ、Ｈ_{<span lang="EN-US">2 </span>}ＳＯ_{<span lang="EN-US">4 </span>}、ＮａＯＨ、ＫＯＨ等酸、碱液体，必须排入中和池。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　４、热油必须冷却后才能排出系统，放入干燥的容器内。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　５、如用胶管排泄物料，应采取防静电措施。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　６、放射性物质应用铅罐移出，存放于安全地区，加铅板封蔽。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第四条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>在设备外部检修、动火时，设备的置换要求：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　１、氢气系统应用氮气置换干净。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　２、烃类系统，应用蒸汽吹扫，必要时应加水通蒸汽煮及冲洗，冲洗残液应放入化污井内。应注意，有沉积物存在时要加强吹扫蒸洗，或采取可靠措施后另行人工清理，直到干净为止。吹扫结束，应打开低点导淋，进行全面检查。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　３、有ＨＦ的设备管道，不宜直接用水、蒸气冲洗吹扫，应用氮气置换后再作进一步处理。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第五条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>在设备外部检修、动火，须检测的项目：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　１、设备内部气体取样分析：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　含氢＜<span lang="EN-US">0.5%</span>（体积）<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　含有机物＜<span lang="EN-US">0.2%</span>（体积）<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　有机物加氢＜<span lang="EN-US">0.2%</span>（体积）<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　２、环境测爆合格。必要时应分析环境有毒物质，含量应符合工业卫生标准。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第六条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>若需进入设备内作业，则经氮气、蒸汽吹扫合格的设备管道，还必须通入空气再行置换。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　除做设备内部的可燃物分析外，还须分析含氧气量在<span lang="EN-US">20</span>－<span lang="EN-US">21%</span>，分析有害物质符合工业卫生标准。需要时应做连续分析。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　作业过程中应加强通风换气，必要时加强通风。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第七条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>对动火、工业卫生检测的取样及分析的要求：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　１、取样点由生产车间指定，应选在置换系统的终点。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　２、取样要有代表性，氢气应在设备的高点，有机物及二氧化硫、三氧化硫等应在低点取样。环境检测时，特别要检测井、沟及临近设备、管道的密封点。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　３、取样时间，应在置换结束２０分钟以后及检修、动火前二小时进行。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　４、分析应快速准确，将结果填在进塔入罐证、动火证上。将分析报告单附在作业票、火票后，写明取样时间，分析者签字。必要时应存样待查。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第八条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>凡无法达到上述隔断、吹扫、分析要求的设备管道。须经质量安全环保处审查，生产厂长批准，并采取有效安全措施后，才可进行检修。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　第九条<span lang="EN-US"><span style="mso-spacerun: yes;"> </span></span>检修完毕的设备管道，并导入氢气、烃类等易燃易爆性物料之前，必须通入氮气置换，待分析含氧量合格后，方可导入物料。<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　系统导入物料之前，允许含氧量：<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　１、烷基苯装置加氢、脱氢系统含氧＜<span lang="EN-US">0.5%</span>（体积）；<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　２、氢气系统含氧＜<span lang="EN-US">0.5%</span>（体积）；<span lang="EN-US"> <p></p></span></span></p><p class="MsoNormal" align="left" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; LINE-HEIGHT: 20pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-rule: exactly;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt;">　　３、液化石油气、汽油、苯、煤油、轻蜡等烃类系统，含氧＜<span lang="EN-US">1</span>、<span lang="EN-US">0%</span>（体积）。</span><span lang="EN-US" style="FONT-FAMILY: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char;"><span lang="EN-US" style="FONT-FAMILY: 宋体;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"></font></p></span></p>