介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.
但是问题是滤芯会对吸入管线中流量造成限制，泵的寿命也会收到影响。
However, these advantages may be outweighed by the flow restriction the element creates in the intake line and the negative effect this has on pump life.
石灰浆液输送泵把浆液从石灰石浆液箱中泵入浆液输送管线。
Absorbent feed pumps pump slurry from the limestone slurry tank to the slurry feed loop.
从防喷器组出口到高压钻机泵之间的高压管线。
A high-pressure pipe leading from an outlet on the BOP stack to the high-pressure rig pumps.
用在泵系统上，保护设备不会受到由于管线内流量变化而产生的压力波动或起伏的破坏。
Used in pumping systems to protect equipment from damaging pressure surges or waves caused by rapid changes of flow within the pipeline.
该装置主要由连接法兰、刹车盘、刹车钳、支撑架、加力泵、液气管线和比例控制阀等组成。
The device mainly consists of connection flange, brake disc, braking caliper, bracing frame, force-multiplier pump, hydropneumatic pipeline and proportional control valve.
安装连接总泵至组合阀的煞车管线。
Install brake lines that connect master cylinder to combination valve.
进入旁通管线的液体通过泵循环。
Fluid entering the by-pass line is recirculated through the pump.
安装在泵的管汇或处理管线中用于测量流量的装置。
A device installed in a pump manifold or treating line to measure the fluid flow rate.
格拉管线几年前进行了维持性技术改造，实现了由“旁接罐”流程为主向“泵到泵”密闭流程为主进行顺序输油的转变。
Due to the technical improvement of several years ago, transportation through Golmud-Lhasa pipeline has undergone the transition from the floating tank process to the tight line process.
采用临时管线给试验管道充水和排水，用泵给管道增压。
Temporary connections for filling and draining the pipeline are used, and a pump is used to "pressure up" the line.
为了降低三缸单作用钻井泵的压力和排量波动，通常在排出管线上安装有空气包。
In order to reduce the fluctuation of pressure and discharge capacity of the triplex drilling pump, the air accumulator is often fixed on the discharge pipe.
在原泵的外部增加进气平衡管线。
The gas intake balance pipeline is added outside the previous pump.
在检修设备之前，首先要卸掉通往泥浆泵或柴油机离合器的气管线。
Before working on equipment, disconnect air lines to pump or engine clutches.
试验结果表明，改变泵出口管线结构，使泵出口压力在一定范围内工作时，流量变化大，而且泵效率较高，可以作为泵调整参数的一种手段；
The test results have proved that the flow rate widely varied and the pump efficiency is high when the pump outlet line structure was altered and the outlet pressure was controlled in a special limit.
所有与泵相连的管线彻底冲洗后，连续两次检查没有发现垃圾碎块后，拆掉临时的吸入粗滤器。（请指正）
After all lines available to the pump have been thoroughly flushed, remove the temporary suction strainer after finding no debris on two successive examinations.
泵的设计应满足排量要求，并能够按照清洗管线系统所要求的速度来循环化学品。
The pump design shall be such to have the desired capacity and shall be capable to circulate the chemical at velocity required for cleaning of piping system.
指出了现有钻井泵连接管线在安装使用中的缺点，结合当前技术水平，提出了一种新的管线结构。
The paper describes the disadvantage of previous pipe line connection in use and on the basis of present technology, has a new line connection arrangement.
无论改变泵出口管线结构还是改变泵吸入口管线结构，都会对单螺杆泵的特性产生一定程度的影响。
Whether to change the pump outlet pipe structure or to change the pump intake pipe structure, and will feature a single-screw pump have a certain extent.
无论改变泵出口管线结构还是改变泵吸入口管线结构，都会对单螺杆泵的特性产生一定程度的影响。
Whether to change the pump outlet pipe structure or to change the pump intake pipe structure, and will feature a single-screw pump have a certain extent.
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