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Working Characteristics of Full Air Cooling and Non-Leakage Reciprocating Natural Gas Compressor

Author: TuHanBo
Tutor: PanShuLin
School: Guangxi University
Course: Chemical Process Equipment
Keywords: CNG compressor Structural properties Full air-cooled No leakage Packing assembly Leak paths Leakage
CLC: TH457
Type: Master's thesis
Year: 2008
Downloads: 147
Quote: 1
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Abstract


Recent years , CNGV has filling stations with the development of reciprocating CNG compressor ascendant global compressor market has become one of the hottest selling point . However , the current level of domestic reciprocating CNG compressor technology is lagging behind , has seriously affected the security, reliability and economy of CNGV filling stations . CNG compressor from D-5/5-250 type reciprocating design practice explore CNGV filling stations with a reciprocating CNG compressor overall design of its structural characteristics . Technical problems exist , corresponding countermeasures . Reciprocating of CNG compressors filler component leak . First, the use of gas-liquid two - phase flow theory , derived lubricant film thickness filler component with the piston rod leakage channel and determine leak leak fluid channel model , and depending on the thickness of the lubricant film . Then , starting from the point of view of fluid mechanics , respectively, the the leakage gas and lubricants amount of calculated formula is deduced . Then validated through experiments on the theory . The experimental results show that the theory is reliable . In the same time , in order to reduce the workload of manual calculations , we have also developed a corresponding reciprocating compressor filler component leakage computing applications software . D-5/5-250 type reciprocating CNG compressor is in regulation and the run-in period , the results show that this type of compressor has excellent performance . The work done in this article can be used to guide CNGV filling stations to other similar compressor reciprocating CNG compressor design , has a certain reference value .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Gas compression and transportation machinery > Compressors, compressor > Piston
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