查询词典 plunger pump

At present, the use of domestic oil well pump rod to account for a large proportion of the number, most of which are plunger-type pump, conventional plunger pump's oil production has become one of the main.

目前国内油田使用有杆泵的井数以占很大比例，其中大部分是柱塞式抽油泵，常规柱塞抽油泵已成为主要的采油方式之一。

Sand production at oil wells on conventional plunger pump plunger often sand, sand buried rod, tube and plunger pumps sanding situation, etc., so that premature pump failure.

在出砂油井上，常规柱塞抽油泵时常出现砂卡柱塞、砂埋抽油杆、砂磨泵筒和柱塞等现象，使抽油泵过早掉效。

In view of the problem of high friction, high leakage and short life existing in conventional plunger pumps, this article presents a new hydraulic feedback and self-sealing plunger pump.

针对目前采用的柱塞泵摩阻大、漏失大、寿命短等问题，提出了一种新型液压反馈高效节能自封柱塞泵。

In technical transformation of SNG-H300 high-pressure water injection pump ,LT3404 horizontal 3-cylinder single-action plunger pump substitutes original 2-cylinder double-action piston pump to improve technical performances and reliability and increase economic efficiency.

对SNC-H300高压注水泵进行技术改造，用"LT3404卧式三缸单作用柱塞泵"代替原有的双击双作用式二缸活塞泵，以提高技术性能和工作可靠性，提高经济效益。

They combine the working characteristics of a plunger pump with the sealing advantages of a diaphragm pump.

此系列计量泵具有活塞泵工作性能和隔膜泵的密封特性。

Then, the method to estimate cavitation erosion characteristic of high pressure piston plunger pump by analyzing impingement angle on outlet of throttling groove is put forward. That is, to hold the impingement angle range of 30°～60°as appraisal criterion of cavitation erosion characteristic on high pressure hydraulic plunger pump.4 The throttling characteristic of hydraulic control valve is studied by CFD calculation and experiment.

最后，提出了一个通过分析节流槽出口处的射流方向来评价高压轴向柱塞空蚀特性的空蚀评价方法，即将节流槽出口的射流角范围30°～60°作为评价高压轴向柱塞泵空蚀特性的标准。4对液压控制阀的节流特性进行了CFD数值计算和试验研究。

Since the rotary plunger pump piston at each stroke can randomly rotate constantly change with the pump plunger cylinder contact surface, so that circular plunger gradually wear uniform or scaling at the same time, sand from the plunger and pump barrel between discharge and resolved accumulation Materials abrasion caused by wear and serious positioning rod release.

自旋转柱塞抽油泵可使柱塞在每一冲程中随机转动，不断地改变柱塞与泵筒的接触面，使柱塞圆周逐渐均匀磨损的同时将砂粒或结垢从柱塞与泵筒之间排出，解决了磨蚀材料聚集所引起的严重定位磨损及杆柱脱扣

Since the rotary plunger pump piston at each stroke can randomly rotate constantly change with the pump plunger cylinder contact surface, so that circular plunger gradually wear uniform or scaling at the same time, sand from the plunger and pump barrel between discharge and resolved accumulation Materials abrasion caused by wear and serious positioning rod release.

自旋转柱塞抽油泵可以使柱塞在每冲程中随机转一下，不停地转变柱塞与泵筒的接触面，使柱塞圆周逐渐匀称磨耗的同时将砂粒或结垢从柱塞与泵筒之间排出，解决了磨蚀材料聚集所导致的紧张定位磨耗及杆柱脱扣。

In order to find out the reasons of the plunger pump damage,the destroyed situation of the axial-plunger pump in the hydraulic shearing machine.

通过分析液压剪轴向柱塞泵的破损情况，找出了柱塞泵损坏的原因。

In accordance with this circumstance, a new type of oil well pump has been designed and developed - auto - compensation soft plunger pump.

针对这种情况，设计研制了一种新型井下抽油泵——自补偿式软柱塞泵。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。