Mechanical seal of booster pump washes pipeline

The utility model discloses a mechanical seal of booster pump washes pipeline belongs to long oil and gas pipeline field. Should wash the pipeline includes: first reposition of redundant personnel pipeline, second reposition of redundant personnel pipeline, filter and differential pressure transmitter, first parallel flushing unit, second parallel flushing unit, two parallel flushing unit all includes the two tunnel parallelly connected subelements that wash, and every washes the subelement and constitutes by flushing line, filter and the two valve at filter both ends of being provided, petroleum pump high -pressure side, first reposition of redundant personnel pipeline, first parallel flushing unit, drive end mechanical seal feed through in order, petroleum pump high -pressure side, second reposition of redundant personnel pipeline, second parallel flushing unit, non - drive end mechanical seal feed through in order, two differential pressure transmitter's both ends respectively with the advancing of first p