• Screw pump screw length is larger because of the job, poor rigidity, easy to cause bending work properly.

    螺杆泵工作螺杆长度较大刚性较差容易引起弯曲,造成工作失常。

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  • Field application demonstrates that the management level and economic efficiency of the screw pump production system would be improved by using the control chart.

    现场应用表明,根据螺杆泵油井工况宏观控制提高螺杆泵采油系统管理水平经济效益

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  • Therefore, the pump body and screw cylindrical surface and screw and screw clearance should be as small as possible.

    因此外圆表面螺杆与螺杆间隙尽可能些。

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  • There is no internal scale product of dry screw pump owing to the late research starting, so like products are all depend on importing and the price is very expensive.

    由于国内螺杆研究起步晚,目前没有规模化产品同类产品全部依靠进口价格十分昂贵。

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  • Screw pump body and at the same time, each other between the screw and screw and form a sealed chamber, ensure airtight, otherwise there may be liquid backflow from the gap.

    同时、螺杆与螺杆相互形成密封保证密闭否则可能液体间隙中倒流回去

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  • These research results possess a certain reference value to the design and application of the screw pump.

    这些研究结果地面驱动螺杆泵设计应用一定参考价值

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  • Therefore, the pump with the screw and screw and screw cylindrical surface gap should be as small as possible more.

    因此泵体外圆表面螺杆螺杆间隙尽可能

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  • 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.

    单螺杆泵管路增设缓冲缓冲罐里储存一定量原油并用装置输泵供给一定量的原油。

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  • Working with external bearing structure of the double screw pump bearings are separated.

    外置轴承结构螺杆泵工作轴承分开的。

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  • 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.

    应用结果表明模型有效性准确性提高其他油田螺杆泵系统效率具有一定指导意义

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  • At the same time with the screw pump, screw and screw with each other form a sealed cavity between one another to ensure airtight, otherwise there may be liquid from the gap in the back to go back.

    同时泵体、螺杆螺杆相互形成密封保证密闭否则可能液体间隙倒流回去。

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  • The theories established in this paper give directions to the current design and produce of the three screw pump; and also give solutions of the problems during usage.

    本文基础理论研究当前螺杆泵设计生产都有很好的指导作用,当前螺杆泵使用出现的问题有很好的解决效果。

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  • 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.

    螺杆泵容积式回转出口受阻以后压力逐渐升高以至于超过预定的压力值。

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  • 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.

    螺杆泵本身不能设置安全阀只能管路中设置,提高设备投入成本安装成本。

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  • Similarly, for the twin-screw pump, the fluid viscosity smaller than the viscosity of the liquid leakage is smaller, leakage volume and viscosity of a certain percentage of media relations.

    同理对于螺杆泵,粘度流体粘度液体泄漏要小,泄漏介质粘度一定比例关系。

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  • Chongqing industrial park will production centrifugal units, screw units, air-cooled heat pump units consisting mainly of large central air conditioning.

    而重庆工业园生产离心式机组螺杆式机组、风冷热泵机组为主大型中央空调

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  • Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.

    螺杆泵作为一种容积,泵内入室排出严密地隔开

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  • The twin screw pump is of the properties of less leakage, big displacement and effectivity.

    双头螺杆泵比单头螺杆泵工作腔室多,泄漏排量,效率高。

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  • Supply oil to the fuel oil system by hand oil supply pump and release all the air through the injector pump and fuel injector's vent screw until the oil overflows and no more air found.

    采用压输油泵燃油系统供油通过喷油泵喷油器放螺钉放气、直至开始残留气为止。

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  • And diaphragm compared to single-screw pump can transport all kinds of mixed impurity containing gas and solid particles or fibers of the media, but also transport all kinds of corrosive substances.

    隔膜相比,单螺杆泵输送各种混合杂质含有气体固体颗粒纤维介质可输送各种腐蚀性物质

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  • With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.

    、单螺杆泵齿轮泵不同,单螺杆泵用于药剂填充计量。

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  • As a new kind of impurity pump, screw centrifugal pump combines the advantages of screw pump and centrifugal pump, and the special structure can bring into play their advantages sufficiently.

    螺旋离心作为种新型杂质泵,螺旋泵离心泵融合为一体,其独特结构两者优势充分发挥。

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  • It is primarily fixed in the bushing in the pump (pump tank) and placed in the pump cylinder screw, and with the active engagement of the two driven screw formed.

    主要固定中的衬套(泵)以及安插在泵中的主动与其啮合根从动螺杆所组成。

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  • 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.

    135型三螺杆泵,对几何参数设计螺旋面的形成、螺杆啮合特性进行了探讨。

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  • Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.

    螺杆泵系列产品分为双螺杆泵双吸双螺杆泵大类

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  • The analysis results provide the necessary bases which are benefited for the design and improvement of new screw pump synchronous gear.

    计算分析结果新型螺杆泵同步齿轮设计改进提供必要依据

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  • A data acquisition system, which designed for screw pump performance parameter testing, was developed in this paper.

    开发一种用于螺杆泵性能参数试验数据采集及处理系统

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  • Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.

    一观点,可能使钻具螺杆泵寿命短的现状有所改善

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  • Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.

    一观点,可能使钻具螺杆泵寿命短的现状有所改善

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