内燃机是生产的主要动力之一，然而，它又是一种复杂的往复式机械，状态监测和故障诊断十分困难。
The internal-combustion engine is one of the main powers in production, and it is also a kind of complex reciprocating machine, so to monitor its state and diagnose its faults are very difficulty.
往复式压缩机使用的是活塞、曲柄、连杆机构或活塞、曲柄、滑管机构，旋转式压缩机使用的是转轴曲轴机构。
Reciprocating compressors is using the piston, the crank, link mechanism or the piston, the crank, sliding tube institutions, rotary compressor rotor is the use of crankshaft institutions.
往复式压缩机在运行中容易磨损和断裂。
Reciprocating compressors are prone to wear and tear during operation.
目前家用冰箱和空调器压缩机都是容积式的制冷压缩机，其中又可分为往复式压缩机和旋转式压缩机。
At present household refrigerators and air conditioner compressors are cubage type refrigeration compressor, which can be divided into reciprocating compressors and rotary compressor.
因此，对往复式压缩机系统进行变频技术改造还是比较有意义。
Therefore, the reciprocating compressors system frequency conversion technology reform still have meaning.
往复式压缩机的主要零件是活塞和气缸。
The main elements of a reciprocating compressor are the piston and cylinder.
如采用往复式压缩机，可选用DAA100或DAA150空气压缩机油。
If use reciprocating compressor, can choose DAA100 or DAA150 air compressor lubricants.
为往复式压缩机故障诊断开辟了一条新的思路。
It breaks a new path for the fault diagnosis of reciprocating compressor.
阀门不能用在往复式空气压缩机附近的地方。
Valves are not to be used near a reciprocating air compressor.
警告：不要用在往复式空气压缩机管线上。
Warning - Do Not Use For Reciprocating Air Compressor Service.
其它往复式压缩机的防护装置应符合API 618或生产厂家标准，两者取一适用者。
Protective devices for other reciprocating compressor shall be in accordance with API 618 or manufacture's standard, whichever applicable.
ML系列往复式空气压缩机包括我们任何型号压缩机的标准功能，设计为满足客户当前和未来的需求。
ML Series Reciprocating Air compressors include the most standard features of any of our compressors, engineered for both your current and future needs.
气阀是往复式压缩机三大易损件之一，气阀的寿命与气阀的加工、造以及工作环境有关。
As one of the three wearing parts for reciprocating compressor, valve lifetime is affected by the machining and manufacturing as well as operation environment.
往复式压缩机因为结构复杂、零部件多、诊断知识复杂而难以获取与表示等原因使其知识库构建困难。
Because of its complicated construction and moving, it is more hard to construct a Knowledge-Base for Fault Diagnose Expert System for Reciprocating Compressor.
根据往复式压缩机系统运行的实际情况，通过定量计算，从理论上分析了压缩机系统产生振动的原因。
According to the actual circumstances of the reciprocal compressor, the reasons for compressor to vibrate have been analyzed through quantitative theoretic calculation.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
介绍我国自行研制的往复式单螺杆混炼挤出机的结构、工作原理、特点及应用等。
The structure, operational principle, characteristic and application of the reciprocating single-screw intermixing extruder developed in China itself are introduced.
分析了往复式压缩机气流脉动的特点，结合安全阀的整定压力偏差，给出了确定最小安全阀整定压力的公式。
Through the analysis of gas pulsation characteristics in reciprocating compressor and deviation in set pressure, the equation is given for determining the minimum set pressure of safety relief valve.
阐述了对称往复式双机拖动提升机经济合理运行的可行性和必要性，并进行了实例分析。
The feasibility and necessity of economic reasonable operation of symmetrical reciprocating double motor drive lifter are expounded, and analyzed with actual example.
小型乙烯生产装置的往复式甲烷制冷压缩机出口气体中存在黑色粉尘，易进入冷箱造成堵塞，影响甲烷制冷并危及装置生产。
The black powder in the exit gas of methane compressor caused the plugging of coo ling box and resulted in the reduction of refrigeration effect.
在设计往复式制冷机时，使用简化公式计算制冷机的“穿梭”热漏。
In making designs of reciprocating refrigerators, a simplified equation has been used for calculating shuttle heat transfer.
考虑到往复式压缩机振动具有振源丰富、信息干扰大的特点，利用包络解调法分离出系统固有频率成分的振动信号。
According to the character of vibration in reciprocating compressor, the vibration signal was separated from intrinsic frequencies of the system by envelope demodulation method.
受一大型钢铁公司的委托，设计研制了轧机清洗机设备——往复式轧机清洗机。
Asked by a large steel company, we designed and developed a wash equipment to rolling mill.
对填充聚四氟乙烯活塞环在往复式压缩机中替代金属环进行了探讨，总结计算公式。
The article discusses about the substitute of metal rings with Teflon-filled rings in reciprocating compressors and gives a formula to make calculation.
大型往复式压缩机功率大、占地面积大，管道振动问题也更为突出。
The pipe vibration problem is especially serious in large reciprocating compressor because of its big power and large bulk.
最后以往复式压缩机实例挖掘系统为例说明了该原理的应用。
In the last, the diagnostic pattern data mining system from fault case database of reciprocating compressor is demonstrated.
往复式压缩机管系振动是管系在设计、安装以及使用过程中不可轻视的问题。
Piping vibrations in reciprocating compressors should not be underestimated in design, installation and application.
分析了通常引起往复式压缩机气体管道振动的原因及其消振方法。
The reason of the vibration is analyzed and the control methods are proposed with the vibration data collected.
分析了通常引起往复式压缩机气体管道振动的原因及其消振方法。
The reason of the vibration is analyzed and the control methods are proposed with the vibration data collected.
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