北京工业大学学报
北京工業大學學報
북경공업대학학보
JOURNAL OF BEIJING POLYTECHNIC UNIVERSITY
2014年
11期
1609-1614
,共6页
董超群%梁政%田家林%马科笃%黄硕%卢海玲
董超群%樑政%田傢林%馬科篤%黃碩%盧海玲
동초군%량정%전가림%마과독%황석%로해령
天然气压缩机组%燃气发动机%故障诊断%性能检测
天然氣壓縮機組%燃氣髮動機%故障診斷%性能檢測
천연기압축궤조%연기발동궤%고장진단%성능검측
nature gas compressor units%gas engine%fault diagnosis%performance detection
针对天然气压缩机组用燃气发动机检测信号干扰耦合给故障检测带来困难的问题,采用一种基于曲轴转角动作事件与分频段故障信号检测相结合的诊断方法,通过在曲轴飞轮上固定安装磁电式速度传感器,建立基于曲轴转角的动作事件关系,把故障诊断与基于曲轴转角的动作事件结合起来判断故障类型。以某站 ZTY310MH 压缩机组用燃气发动机性能检测为例,测得缸内燃烧不充分并有弱点火及爆燃现象,点火角度不合适及缸内积碳是造成发动机做功性能低劣的原因。结果表明:通过故障检测可及早发现和排除故障,减少安全隐患和停机时间,对提高发动机工作性能具有重要意义。
針對天然氣壓縮機組用燃氣髮動機檢測信號榦擾耦閤給故障檢測帶來睏難的問題,採用一種基于麯軸轉角動作事件與分頻段故障信號檢測相結閤的診斷方法,通過在麯軸飛輪上固定安裝磁電式速度傳感器,建立基于麯軸轉角的動作事件關繫,把故障診斷與基于麯軸轉角的動作事件結閤起來判斷故障類型。以某站 ZTY310MH 壓縮機組用燃氣髮動機性能檢測為例,測得缸內燃燒不充分併有弱點火及爆燃現象,點火角度不閤適及缸內積碳是造成髮動機做功性能低劣的原因。結果錶明:通過故障檢測可及早髮現和排除故障,減少安全隱患和停機時間,對提高髮動機工作性能具有重要意義。
침대천연기압축궤조용연기발동궤검측신호간우우합급고장검측대래곤난적문제,채용일충기우곡축전각동작사건여분빈단고장신호검측상결합적진단방법,통과재곡축비륜상고정안장자전식속도전감기,건립기우곡축전각적동작사건관계,파고장진단여기우곡축전각적동작사건결합기래판단고장류형。이모참 ZTY310MH 압축궤조용연기발동궤성능검측위례,측득항내연소불충분병유약점화급폭연현상,점화각도불합괄급항내적탄시조성발동궤주공성능저렬적원인。결과표명:통과고장검측가급조발현화배제고장,감소안전은환화정궤시간,대제고발동궤공작성능구유중요의의。
For the fault detection difficulties of the natural gas compressors’ engines caused by the coupled detection signals interference, a fault diagnosis method was adopted combining the units’ action event and sub-band fault signals detection based on the crank angle. The fault type can be diagnosed accurately by analyzing the detection signals combining fault diagnosis and the units’ action events, installing the fixed magnetic velocity sensor on the crankshaft, and establishing units action events based on the crank angle. ZTY310MH performance tests of a booster station is taken as an example. Result of the detection verifies that the ignition angle improper and carbon deposit are the real reasons for engine working inferior. Detecting regularly for the engine of reciprocating compressor can be helpful to discover and diagnose faults as soon as possible and also reduce the security risks and downtime. Therefore, it is of great significance to improve the working performance of the engine of natural gas compressors.