It is necessary to compute the screw hydrostatic torque in designing the teeth profiles of screw pumps.
当设计螺杆泵转子的齿形时，需要计算它们的液压扭矩。
The regularity can be applied to optimize the design of screw pumps and improve its working efficiency.
利用此规律可对螺杆泵进行优化设计，提高其工作效率。
The critical equipment for multiphase flow transportation are pumps, which can be classified 'as rotary pumps or twin screw pumps.
多相流管道输送的关键设备是多相泵，而多相泵又分为旋转动力泵和双螺杆泵两大类。
In the light of the problems with artificial lifting by screw pumps, Model QYLB800-24C-DQ001 electric submersible screw pump is developed.
针对螺杆泵举升技术存在的问题，开发研制了一种QYLB800 - 24c—d Q001型电动潜油螺杆泵。
These new screw pumps were developed in collaboration with leading burner manufacturers to specifically target requirements in the market.
这些新开发了螺杆泵与领先的刻录机厂商的合作，专门针对市场需求。
Taking some sewage treatment plants project as an example, carrying on the electrical design and the programming to screw pumps control in sewage pump station.
以某污水处理厂的工程为例，对污水泵站的螺旋泵的控制进行电气设计和程序编制。
To ensure the hydraulic control valve in the discharge Screw pumps as soon as possible when driving condensate, rapidly increase the temperature of heating equipment.
才能保证水力控制阀在开车时能尽快排出凝结水，迅速提高加热设备的温度。
The surface drive unit of screw pumps features in complex stress and many vibration sources, so the traditional vibration test method cannot determine the diagnosis accurately.
螺杆泵地面驱动装置受力复杂，振源众多，常规的振动测试对于故障的定位与诊断精确度不高。
In view of the actual condition in Daqing Oiffield, the detecting standard for ModelGLB120-27, GLB40-42 and GLB500-14 screw pumps is formulated on the basis of many indoors and field tests.
针对大庆油田的实际情况，在进行大量室内和现场试验的基础上，制定了GLB120 - 27、GLB40 - 42和GLB500 - 14型螺杆泵的检测标准。
Screw pumps can be used to highly viscous liquid. Viscous dissipation cannot be neglected during such pumping because it causes the temperature of liquid to rise and its viscosity to decrease.
螺旋泵可用来输送高粘性液体，该过程中由于液体的温度升高而粘度降低，因而其粘性耗散不能忽略。
B, single screw pump before adding buffer tank in pipeline, the buffering can store a certain amount of crude oil, and a current limiting device for mixture pumps supply a certain amount of crude oil.
单螺杆泵前管路中增设缓冲罐，在缓冲罐里储存一定量的原油，并用一套限流装置给混输泵供给一定量的原油。
With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.
与柱塞泵、单螺杆泵及齿轮泵不同的是，单螺杆泵可用于药剂填充和计量。
Pumps work, as the two screws driven screw symmetrical and active engagement, so the role of the active radial force on the screw entirely balanced, active screw does not bear bending loads.
泵工作时，由于两从动螺杆与主动螺杆左右对称啮合，故作用在主动螺杆上的径向力完全平衡，主动螺杆不承受弯曲负荷。
Screw pump is a positive displacement rotary pumps, when the export side blocked after, the pressure will gradually increase, so that the pressure exceeds a predetermined value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
And centrifugal pumps compared with single-screw pump do not need to install the valve, while the linear flow of traffic is stable.
和离心泵相比，单螺杆泵不需要装阀门，而流量是稳定的线性流动。
Screw inducer is a hydrodynamic machine with special structure and fine performance. And thus, analyzing such equipment is meaningful to promote the performance of pumps.
螺旋诱导轮是一种结构新颖而性能优良的流体装置，深入研究该装置对于改进现有液压泵的性能有重要的意义。
Positive displacement pump including reciprocating pump, gear pump and screw pump, centrifugal pumps and axial flow pump belong to pump power.
容积式泵包括往复泵、螺杆泵和齿轮泵等，离心泵和轴流泵等则属于动力式泵。
The practical application of LB1600 large displacement screw pump systems showed that the displacement reducing are limited and energy-saving are effect compared with 95 pumps.
现场的实际应用情况说明，LB1600大排量螺杆泵采油系统与95泵、电泵相比，排量降低有限，节电效果明显。
The type m Fuller-Kinyon pumps are heavy-duty, screw-type pneumatic pumps.
型螺旋泵是一款重型气动泵。
The type m Fuller-Kinyon pumps are heavy-duty, screw-type pneumatic pumps.
型螺旋泵是一款重型气动泵。
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