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10B4.5/150型氮氢气压缩机为立式两列四级活塞式压缩机,是我厂使用的主要设备之一。在厂党总支的领导下,组成了技改小组,对该机进行了改造、挖潜、革新。首先在氮氢气压缩机一级进口增压挖潜,从200毫米水柱提高到300毫米汞柱,同时对该机进行了加转、进装和缸体密封填料的无油润滑的技术改造。经过3192小时的试车运转,证明增压、加转、改装和无油润滑是基本成功的。通过改造使该机的排气量从原设计270米～3/小时提高到420米～3/小时。在此基础上,对其余的五台压缩机,同时也进行了改造,于1972年 6月10日实现了六台压缩机全部改造和无油润滑的革新。四年多的运转证明,氮氢气压缩机实现无油润滑是完全可行的。
10B4.5 / 150 Nitrogen Hydrogen compressor vertical two four-piston compressor is one of the main equipment used by our factory. Under the leadership of the general branch of the factory, a technical transformation team was formed to transform the machine, tap the potential and make innovations. First of all, in a nitrogen and hydrogen compressor import booster potential, from 200 mm water column to 300 mm Hg, while the aircraft was plus, into the cylinder seal packing and oil-free lubrication of technical transformation. After 3192 hours of commissioning proved booster, plus rotation, modification and oil-free lubrication is the basic success. Through the transformation of the machine’s displacement from the original design 270 m ~ 3 / hour increased to 420 m ~ 3 / hour. On this basis, the remaining five compressors, but also carried out the transformation, in June 10, 1972 to achieve the full transformation of six compressors and oil-free innovation. More than four years of operation proved that nitrogen-hydrogen compressor oil-free lubrication is entirely feasible.