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- Testing methods of steam reciprocating pump 蒸汽往复泵试验方法
- steam reciprocating pump 蒸汽往复泵
- This model can realize the nonlinear mapping of vibration signal measured under the condition of a reciprocating pump. 使用小波包分析的特征提取功能以及神经网络的非线性映射功能能够较好地完成从振动信号到往复泵故障的分类。
- Characteristic extraction is a key step in the condition monitoring and fault diagnosis of reciprocating pump. 特征提取是往复泵状态监测及故障诊断的关键环节。
- And an idea for reforming the structure of the low-fluctuatuion reciprocating pump is put forward. 进而，从剖析结构入手，提出了更新低波动往复果结构的设想。
- On the basis of the Adolph's differential equation of movement of the reciprocating pump valve, the motion pattern of oil pump valve is investigated. 在阿道尔夫泵阀运动微分方程的基础上,研究了抽油泵泵阀的运动规律。
- Pulsation dampener can be widely used in pipeline, drilling exploration equipment, pressure balance or pulsation dampening of reciprocating pump. 空气包（脉动缓冲器）可广泛用于管路、钻井勘探设备、往复泵的压力平衡或脉动缓冲。
- This text is mainly about reciprocating pump,introduces the working principle and the main performance parameters of it. 对往复式泵的流量、压力等主要性能参数及其工作原理进行了分析。
- This paper analyzed the relations between vibration and plunger wear of reciprocating pump, and studied the characteristics for the diagnosis of plunger wear. 分析了往复泵柱塞-缸套磨损振动诊断机理,研究了振动时域、频域特征。
- In order to improve the operating life of prick valve of high reciprocating pump , the design method for the valve is studied by combining FEM and structural opt imization. 以提高高压往复泵锥形阀的使用寿命为目的，研究了有限元法与最优化方法相结合的泵阀结构设计方法。
- Reciprocating pump, the packing box should be at the two ends and the middle of Central Add-oriented in order to maintain the concentric movement and gravity plunger. 往复泵中，填料箱内的两端和中间还应放入导向环，以保持其同心运动和受柱塞的重力。
- Pump valves as the key part have an important effect on the performance of constant discharge reciprocating pumps. 泵阀是往复泵的关键部件,对恒流量往复泵的性能有着重要影响。
- Reciprocating pumps convert rotary motion to linear motion. Pump speed in rpm determines the pumps output volume for any given combination of cylinder bore and piston stroke. 循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。
- Reciprocating pump is one of the main equipments to acquire vaccum. Balance pipe is its important part, it largely affects the working efficiency and energy consumption of vacuum pump. Its flow is very complicated. 往复式真空泵是获得真空的主要设备之一,平衡通道是它的很重要组成部分,它对真空泵的工作效率和能量消耗有很大影响,且流动复杂,以前对它的设计都采用经验的方法。
- The steam tug takes canal boats and barges in tow. 驳船后面拖着小艇和平底船。
- A method integrating rough sets with wavelet neural networks is proposed for fault diagnosis on reciprocating pumps. 提出一种粗糙集理论与小波神经网络集成的往复泵故障诊断方法。
- However, in the field of small flow of high pressure reciprocating pump still occupy a major position, especially the diaphragm, plunger pump with unique advantages, the application is increasing. 但是在高压小流量领域往复泵仍占有主要地位，尤其是隔膜泵、柱塞泵独具优点，应用日益增多。
- The mirror fogged up with the steam. 镜子因蒙上水气而模糊不清。
- The engines are driven by steam. 这些发动机是由蒸汽驱动的。
- Flanders is a specialized manufacturer of metering pumps, fluid metering delivery system kits, anti-corrosion mixer, 3DP electric reciprocating pump. 佛兰德是一家专业制造计量泵，成套流体计量输送系统，防腐搅拌机，3DP电动往复泵。
