针对轮南 90× 1 0 4m3/d气举装置增设脱烃装置工程 ,新建的脱烃装置不能破坏原 90× 1 0 4m3/d气举装置的压力系统 (即不能影响气举 ) ,也不能较大幅度地破坏原 90× 1 0 4m3/d气举装置的质量平衡系统 (因 90× 1 0 4m3/气举装置为同轴压缩机 ) ,在此前提下 ,将轮南原稳不凝气在轮南气举压缩机二级入口处注入 ,经二、三级压缩及分子筛脱水 ,然后从原90× 1 0 4m3/d气举装置脱水后四级压缩机入口前抽出油田气及不凝气 ,利用丙烷制冷工艺进行脱烃。 For the south of 90 × 104m3 / d air lift device additional dewatering device project, the new de-hydrocarbon device can not destroy the original 90 × 104m3 / d airlift device pressure system (that can not affect the gas lift), nor Which greatly damaged the mass balance system of the original 90 × 104m3 / d air lifting device (due to the coaxial compressor of 90 × 104m3 / air lift device), under this premise, the original steady non-condensable gas The compressor is injected into the second stage inlet of Lunan gas lift compressor and is dehydrated by the second and third stages of compression and molecular sieve. Then, the oil gas is withdrawn from the inlet of the fourth stage compressor after dehydration of the original 90 × 104m3 / d gas lift device, and is not condensed Gas, the use of propane refrigeration process for de-hydrocarbon.