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柱塞泵

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In order to clarify the type, the causes and the mechanism of the sealing failure, and the further improve the working life of the seal rings of drilling mud pump plunger, this paper analyzed the seal failure of myriameter drilling mud pump plunger.

为了弄清高压钻井泥浆泵柱塞密封圈的失效形式、原因及机理,进一步提高钻井泥浆泵柱塞密封圈的寿命,对万米钻井泥浆泵柱塞密封失效分析。

In order to do research on pipe flow and pump characteristics of polymer flooding and water flooding rod-pumped well in especially high water-cut stage, rheometric test aimed at production stream from polymer flooding and water flooding rod-pumped well in especially high water-cut stage has been made, and the characteristic of production stream in especially high water-cut stage is confirmed as Newtonian fluid. Experiments using different mediums about pipe flow and pump characteristics is made. Frictional resistance and coefficient of friction resistance of annulus fluid between sucker rod and the pipe flow is calculated under different working conditions. Frictional resistance between plunger and pump barrel under different parameters is calculated based on related theory of pump characteristic and the strained analytical model of oil-well pump. Besides, using the theory of slit flow and hydraulic -clamping pressure, the frictional resistance is calculated, and the error between the result and measured value is no more than 13%.

为研究特高含水期水驱及聚驱抽油机井管流特性与泵特性,本文针对特高含水期水驱及聚驱井采出液进行了流变性试验,确定了特高含水期油井采出液的性质属牛顿流体;利用不同介质,进行管流特性与泵特性试验,得到了不同工况下杆、管环空流的摩擦阻力和摩阻系数;根据泵特性相关理论和抽油泵受力分析模型,计算了不同参数下柱塞与泵筒间的摩擦阻力,并利用缝隙流与液压卡紧力理论对柱塞与泵筒间的摩擦阻力进行了计算,计算结果与实测值误差在13%以内。

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。

The high pressure pump has one or more reciprocating pumping plungers (14) and a pumping plunger actuator (62, 48, 66) driven by the drive shaft for reciprocating each pumping plunger to provide alternating intake and pumping phases of operation of the high pressure pump, at a frequency determined by the rotational speed of the drive shaft, for respectively receiving an intake charge of fuel and delivering fuel at high pressure for fuel injection.

高压泵具有一个或多个往复移动的泵送柱塞(14)和一个泵送柱塞驱动装置(62,48,66),其由驱动轴驱动,以便往复移动每个泵送柱塞,从而在由驱动轴转速决定的频率下提供高压泵工作的交替的吸入和泵送相,以便分别接受燃油的吸入量和为燃油喷射高压输送燃油。

For the upper and lower physical decomposition of the fuel pump, pump body can be placed, open side cover, remove the pump head fastening nut, remove the pump head, hand clamp plunger living roots, slowly out the plunger and spring cylinder fault, with clean petrol or diesel repeated washing, wash, after-loading complex (note the plunger into the regulation of regulation must fork arm), and alternately tighten pump head nut, rotating camshaft, oil pump pulled the handle to manipulate the review.

2对于上、下体能分解的喷油泵,可将水泵体平放,打开侧面盖板,卸下泵头紧固螺母,取下泵头,用手钳夹住柱塞根部,慢慢抽出故障缸柱塞和弹簧,用清洁的汽油或柴油反复清洗,洗净后装复(注意柱塞调节臂必须装入调节叉内),并交替拧紧泵头螺母,转动凸轮轴,扳动油泵操纵手柄复查。

By the calculation method of the film thickness, the lubrication condition in one period between swash plate and slipper can be obtained, offering a theoretical basis for the design of the slippers in aeronautical fuel piston pump.

利用油膜计算方法,可以分析滑靴运动一周,滑靴与斜盘间的油膜润滑状态,从而为合理设计航空燃油柱塞泵滑靴与斜盘摩擦副提供理论依据。

Water hydraulics piston pump ; Slipper pad ; Material ; Structure ; Design method

水液压柱塞泵;滑靴;材料;结构;设计方法

Based on the practice of the use of φ95mm subsurface sucker rod pump in Shengtuo Oilfield in recent years, the causes of the failure of the pump are analyzed, and relevant precautions are put forward:(1)selecting oil wells with sufficient fluid supply for pumping;(2)under the condition of the pump efficiency being the same, the submergence depth of the pump being somewhat larger than that of the small pump, and 450~500m being feasible;(3)adopting Grade H ultrahigh-strength rod string and fixing a sinker bar at the bottom of the rod string;(4)selecting long stroke and low pumping speed, and more than 5m stroke and less than 6min-1 pumping speed being recommended;(5)adopting zirconium oxide valve ball and seat + spray welded plunger + nitrided barrel.

根据胜坨油田近几年采用φ95mm有杆抽油泵提液的实践,分析了造成这种抽油泵失效的原因,包括与其配套的脱节器失效、抽油杆断脱、泵漏、电动机不配套和生产管理不善等。为增强泵的提液能力和工作可靠性,提出5 项预防措施:(1)选择有充足供液能力的油井;(2)在保持相同泵效的情况下,泵的沉没度应略大于小泵,推荐按450~500m设计;(3)采用H级超高强度抽油杆柱,并在杆柱底部配置一定重量的加重杆;(4)采用长冲程、低冲次的参数匹配,推荐光杆冲程大于5m,冲次小于6min-1;(5)为提高泵筒、活塞和阀座的防腐耐磨性,推荐采用&氧化锆阀球和阀座+喷焊柱塞+氮化泵筒&的结构形式。

It was introduced in the paper that the static pressure supporting of damping tube mode was adopted in the design of the friction surface between slipper and stator of radial plunger pump, and were the static and dynamic condition performance of oil bound film.

针对这一问题,本文介绍了在径向柱塞泵滑靴定子摩擦副中采用阻尼管型静压支承的方法,并对静压支撑方式油膜静动态性能进行深入的研

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。