查询词典 centrifugal

Centrifugal energy saving analysis and measures: 1 improve the efficiency of centrifugal pumps a first step, in the selection of comparison, when many suppliers Selection program, in considering the cost-effective choice as far as possible under the premise of efficient programs; the second step , accredited professionals must Mill producers, affecting the pump efficiency of the key components such as impellers, pump body, pump cover, diversion devices, such as the manufacture of quality producers, especially for the airfoil impeller , outlet angle, leaves the sub-degrees, the shape of flow channel, to control the quality of finish, etc., so that products are delivered in the current production under the conditions of highly efficient products; the third step, the scene in the production of installation and debugging process, pump to ensure a solid foundation, with the driving machine for good, before and after valve flexible piping layout design is reasonable, on-site control is feasible and safe, the complete and accurate monitoring instrumentation to ensure that pump operation can carry out real-time monitoring; fourth step , are at long-term operation of water pumps necessary to pay attention to the equipment inspection and found anomalies reflect real-time reporting, in the normal minor repairs, overhaul cycle, to deal with the replacement of wearing parts inspection to ensure the pump's long-term safe and efficient operation.

第一步，在选型时多比较各供应商的选型方案，在考虑性价比的前提下尽量选用效率高的方案；第二步，派驻一定的专业人员驻厂监制，对影响水泵效率的关键零部件如叶轮、泵体、泵盖、导流器等的制造质量进行监制，尤其对叶轮的翼形、出水角、叶片的分度、流道的形状、光洁度等质量进行控制，使交付的产品是在当前的生产条件下的高效率的产品；第三步，在生产现场的安装调试过程中，要保证泵的基础牢靠，与驱动机对中良好，前后阀门开关灵活，管道布置设计合理，现场控制安全可行，各运行监控仪表齐全准确，保证泵的运行过程能够进行实时监控；第四步，是在水泵的长期运行中要注意对设备的点检，发现异常情况即时反映汇报，在正常的小修、大修周期中，应对各易损件进行检查更换，保证泵的长期高效安全的运行。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump. The equations were used to describe the influence of accelerating rotation of impeller and accelerating motion of fluid on hydrodynamic performance.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

Methods to rotor of centrifugal compressor"s condition monitoring and fault diagnosis are summed up. Peak-to-peak value is an essential reference value of centrifugal compressor"s condition monitoring, which is easy to implementation in practice. On the other hand, according to fault diagnosis, power spectrum and axis obit also works. The direction of eddyis gained from full spectrum, which is vital in fault diagnosis. In a word, to make sure make an exact conclusion, different method should be put in used.

总结了离心式压缩机转子振动的监测和诊断的方法：在压缩机的状态监测的方面，峰—峰值是其主要的手段，实践证明其实现过程非常简单而且非常有效；而对于故障诊断，常用的功率谱分析和轴心轨迹都有一定的作用，全谱可以判断转子的进动方向，所以在分析过程中可以综合以上多种方法，能更加明确故障原因。

Second, the flow of centrifugal pump components of the flow of centrifugal pump components are: inhalation room, impeller, the pressure to room in three parts.

二、离心泵的过流部件离心泵的过流部件有：吸入室，叶轮，压出室三个部分。

Centrifugal removing bacterium is by the effect of high-speed centrifugal power. Wiping off bacterium and somatoplasm of cow colostrums by this modest removing bacterium method could reduce bacterium quantity and eliminate high proportion of sporangium bacterium.

离心除菌是通过高速离心力的作用，这种温和的除菌方式去除牛乳中的细菌和体细胞，可大大降低细菌数，能去掉高比例的芽胞菌。

Using orthogonal test design to optimal the surface activator components and its ratio, analysis each factors on the effect of the suspensibility, hierarchical rate, disparity, centrifugal stability, then determined the major technical index's: NNO has the most important influence on suspensibility, NNO on hierarchical rate, XG on disparity and XG on centrifugal stability.

本试验从10种润湿分散剂中筛选出农乳601#、md、ms及其用量，利用正交试验设计对表面活性剂组分及其配比进行了优化，分析了各个因素对悬浮率、分层率、分散性、离心稳定性的影响，并确定了制剂的主要技术指标：NNO对悬浮率的影响对大，NNO对分层率的影响最大，XG对分散性的影响最大，XG对离心稳定性的影响最大。

Described that the centrifugal force acts to deform the shape of the earth so that the tangential component of the centrifugal force balances the tangential component of gravity.

描述因离心力的作用使地球的形状变形，离心力的分量和重力的分量相平衡，所以重力被重新定义为重力与离心力之和。

The triturate of the super-speed centrifugal in oxo process compressor dry air hermetic seal ing and appliance summaryAlong with the chemical engineering of oil and technical evolution in energies, the occupation parameter of the centrifugal compressor of the conduct and actions heart fraction is more and more high, the compression crankshaft for request that seal is too more and more strict.

随着石油化工及能源工业的发展，作为心脏部分的离心压缩机的工作参数越来越高，对压缩机轴封的要求也越来越严。

Very simple apparatus with swinging pendulums and levers have demonstrated that energy CAN be extracted from centrifugal force, when an unbalanced oscillation between centrifugal force and gravity is created.

非常简单的钟摆摆动仪器和手段已经证明，能源可以从离心力中得到，当离心力和重力之间的不平衡振动。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。