外置轴承结构的双螺杆泵工作腔同轴承是分开的。
Working with external bearing structure of the double screw pump bearings are separated.
利用此规律可对螺杆泵进行优化设计，提高其工作效率。
The regularity can be applied to optimize the design of screw pumps and improve its working efficiency.
当设计螺杆泵转子的齿形时，需要计算它们的液压扭矩。
It is necessary to compute the screw hydrostatic torque in designing the teeth profiles of screw pumps.
开发了一种用于螺杆泵性能参数试验的数据采集及处理系统。
A data acquisition system, which designed for screw pump performance parameter testing, was developed in this paper.
双螺杆泵系列产品分为单吸双螺杆泵和双吸双螺杆泵两大类。
Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.
这些研究结果对地面驱动螺杆泵的设计及应用有一定参考价值。
These research results possess a certain reference value to the design and application of the screw pump.
只要选型得当，维护合理，三螺杆泵就可保证令人满意的运行。
As long as the selection of appropriate, to maintain a rational, three-screw pump can ensure satisfactory operation.
双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。
Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
这一观点，有可能使螺杆钻具与螺杆泵的寿命短的现状有所改善。
Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.
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。
And centrifugal pumps compared with single-screw pump do not need to install the valve, while the linear flow of traffic is stable.
研究及现场应用表明，该系统为螺杆泵的应用提供了更广阔的空间。
Research and field application indicates that the system has provided more broad room for the application of the screw pump.
着重介绍振动检测法的原理、方法及其在螺杆泵故障诊断中的应用。
This paper introduces mainly the principle, measures and application of vibrating test, especially in diagnosis of bolt-pump fault.
计算分析结果为新型螺杆泵同步齿轮的设计和改进提供了必要的依据。
The analysis results provide the necessary bases which are benefited for the design and improvement of new screw pump synchronous gear.
双头螺杆泵比单头螺杆泵工作腔室多，泄漏少，泵的排量大，效率高。
The twin screw pump is of the properties of less leakage, big displacement and effectivity.
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。
With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.
对双螺杆泵螺旋套现场改造实例进行了分析，证明该方法具有可行性和实效性。
The site test is made on the renovated pump and it is considered that the renovation method is feasible and effective.
根据螺杆泵井各个部分运动特点及能量损失情况，建立了螺杆泵井系统效率分析模型。
According to the energy loss of every part of screw pump well, established system efficiency analysis model for the well.
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。
The critical equipment for multiphase flow transportation are pumps, which can be classified 'as rotary pumps or twin screw pumps.
利用空心杆向井筒内掺入活性水或稀油，降低油流阻力，实现应用螺杆泵开采深层稠油。
Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.
针对这种情况，本文采用永磁无刷力矩电机直接驱动螺杆泵，并对其相关问题进行了研究。
Against the status, PM brushless torque motor to drive screw pump directly was adopted by the paper, and the correlative problem was studied.
而单螺杆泵在泵本身不能设置安全阀，只能在管路中设置，提高了设备投入成本和安装成本。
And single screw pump in the pump itself cannot set the relief valve, can only be set up in line, increase the investment of equipment cost and installation cost.
试验样机的带载试验表明，潜油螺杆泵变频驱动装置试验效果良好，性能达到了设计要求。
The experiments of load manifest that the test sample of variable frequency drive for SPCP has good driving capability.
同时开动油田区块中的多口油井，让油井的油气相互补充，使进入单螺杆泵的介质尽量均匀。
A, start the multi-port oil Wells in oil field blocks at the same time, let the well of oil and gas complement each other, make into the medium of the single screw pump as far as possible even.
现场应用表明，根据螺杆泵油井工况宏观控制图，可提高螺杆泵采油系统管理水平及经济效益。
Field application demonstrates that the management level and economic efficiency of the screw pump production system would be improved by using the control chart.
对启动过程中单螺杆泵的运动特点和受力情况进行分析，建立了该系统启动扭矩动力学模型。
Performance characteristic and stress condition were analyzed in the process of progressive cavity pump well startup and a startup torque dynamic model was established.
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。
Screw pump is a kind of rotary pump, when the outlet end is blocked, the pressure will gradually increase, so that more than a predetermined pressure value.
以135型三螺杆泵为例，对螺杆几何参数设计、螺旋型面的形成、螺杆啮合特性进行了探讨。
By taking 135 three-screw pump as an example, the geometric parameter design, the forming of spiral surface and the characteristic of screw gearing are investigated.
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。
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.
通过对螺杆泵采油系统进行分析，得到抽油杆柱力学模型，并对杆柱所承受载荷进行推导计算。
Analysis screw pump system, get the mechanical model of rod string, deduct and calculate undertaking load of rod string.
应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.
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