The scale blocking reasons of steam turbine of cracking gas compressor set for ethylene unit are analyzed, some protections of scale blocking for steam turbine are put forward.
对乙烯装置裂解气压缩机组中的汽轮机发生垢堵的原因进行了分析，并提出了一些预防汽轮机垢堵的措施。
Vibration blocking removal technologies, acid fracturing technique, steam injection, water injection were generalized successfully in oil recovery process.
在采油生产中已成功推广了振动解堵、酸化压裂解堵、注蒸汽、注水等增产技术。
Import import trap or trap is known for the steam pipe network and devices, can automatically discharge condensate, air and other non-condensing gas, and blocking water vapor leak valve.
进口疏水阀或称进口疏水器是用于蒸汽管网及设备中，能自动排出凝结水、空气及其它不凝结气体，并阻水蒸汽泄漏的阀门。
Import import trap or trap is known for the steam pipe network and devices, can automatically discharge condensate, air and other non-condensing gas, and blocking water vapor leak valve.
进口疏水阀或称进口疏水器是用于蒸汽管网及设备中，能自动排出凝结水、空气及其它不凝结气体，并阻水蒸汽泄漏的阀门。
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