查询词典 reciprocating pump

The test bedstand which is composed of electro-motor ,hydraulic pump ,hydraulic motor ,speed verily box and parallel compensating pump, can resolve the problem of power consumption and the power warm while large power hydraulic pump and motor testing.the principle of system is that electro-motor drive the hydraulic pump first,then the pump make the hydraulic motor work through its high pression oil,the follow working hydraulic motor feedback the power in niuju re-drive the hydraulic pump,at last the power is recovered.this bedstand make use of bishi hydraulic system ,which can have a closely construct ,and steadly chuandong ,lower noise ,high power recovery percentage and so on.

本实验台由电动机、油泵、油马达和变速箱以及并联补油泵等一起构成功率反馈实验油路，以解决大功率液压泵及马达在试验时的大功率消耗和能量耗散时的发暖问题。实验台由电动机带动油泵，油泵输出油液驱动液压马达，油马达输出的扭矩通过变速箱传动来回馈给液压泵的输渗入渗出轴，从而实现功率往返收。采用闭式液压系统，结构紧凑、运行平稳、噪声低、功率回收率高；机械补偿，电动机输渗入渗出扭矩经变速箱传动驱动液压泵；液压补偿，并联补油泵对系统的高压油路入行流量补偿。

To certain viscosity experimental medium, the discharge coefficient of the great pitch pump is higher than the conventional pump, along with the obliquity of the pump barrel is increase(that is from the level to the vertical lay),the discharge coefficient of the well pump is increase, looked from the test result, the discharge coefficient of the great pitch pump is higher than the conventional pump, on this condition that low frequency of stroke, and it is more obvious on the small oblique angle condition.

对一定粘度的试验介质，大斜度抽油泵的流量系数高于常规抽油泵，随泵筒倾角的增加(即从水平放置到垂直放置)，抽油泵流量系数增大，从试验结果看，低冲次条件下，大斜度抽油泵流量系数高于常规泵，且小倾斜角状态较明显。

The hydraulic loss of conduit in both vertical pump system and bulb tubular pump system were calculated using the numerical simulation, and the influence of pump impeller diameter on hydraulic loss of conduit was analyzed. Based on the similitude rules of impeller pump, the relationship between pump impeller diameter and nD value and the influence of pump selection and design were analyzed.

采用数值计算的方法，分别计算了具有不同水泵叶轮直径的立式轴流泵装置和灯泡贯流泵装置的流道水力损失，比较了水泵叶轮直径对流道水力损失的影响；根据叶片泵的相似律，分析了在一定设计流量条件下水泵叶轮直径与nD值的关系以及对水泵选型设计的影响。

Series is a kind of mechani-cal seal component with centripetal. inbuilt, single face. multi-spring and non-equil-ibrium structrure and conforms to ISO 3069 and JB1472-75. It applies to all kinds of centri-fugal pump,chemical pump,inline pump,pipe pressure pump,dredge pump and multi-stage feed pump.

本型号机械密封件是一种内流内装，单端面，多弹簧非平衡型结构，符合ISO-3069，JB1472-75标准，应用于各种离心泵，化工泵，管道泵及管道增压泵，排污泵，多级给水泵。

We hope you pay more attention to jobs are as follows haven't been finished this week:(1) right and left side of upper water wall has been aligned and fixed;(2) Nine downcomers been pre-stored;(3) All the wall packing aligned and fixed, then install right and left side rigid beam;(4) Finishing welding counterpart of front wall packing;(5) Get two booster pump for turbine driven boiler feed water pump aligned and make inspection;(6) Electric Feed Water Pump Unit, Coupling and Motor Pump positioned;(7) Equipment in Start-up Boiler House aligned and make inspection;(8) Get three Reusing Water Pump aligned;(9) Equipment in Integrated Water Pump House aligned and make inspection.

本周，以下工作未完成，希望贵单位引起重视：（1）上水左右侧找正完，且加固完；（2）下降管9根预存完；（3）包墙全部找正完，加固完，之后安装左右侧刚性梁；（4）前包墙对口焊接完毕；（5）2台汽动前置泵找平找正，并验收；（6）电动给水泵组，耦合器和电泵就位；（7）启动锅炉房内设备找平找正，并验收；（8）3台复用水泵就位；（9）综合水泵房内设备找平找正，并验收。

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。

Enterprise specializing in pumps, valves, pipes, pipe fittings, corrosion-resistant equipment, mechanical equipment, steel-lined plastic·úmaterials and various types of product development, design, production and sales of main products have fluoroplastics pump, steel-lined PTFE pump , liquid pumps, self-priming pump, magnetic pump, centrifugal pump, stainless steel pump, fluorine plastic lined plug valves, butterfly valve, ball valve, valve, check valve, valve, gate valve, pipe fittings and steel equipment ten Level of stress, some more than 1120 kinds of model specifications.

企业专门从事水泵、阀门、管道、管件、防腐设备、机械设备、钢衬氟塑料及全塑各类产品的研发、设计、生产和销售，主要产品有氟塑料泵、钢衬四氟泵、液下泵、自吸泵、磁力泵、离心泵、不锈钢泵，氟塑料衬里旋塞阀、蝶阀、球阀、截止阀、止回阀、隔膜阀、闸阀、管道件及钢塑设备十个压力等级，约1120多种型号、规格。

The valveless pump has inlet and outlet with tapered tube and does not need control of valves. The flow rectification of the valveless pump can be realized based on the nozzle/diffuser action. The differential SMA actuator controlled by alternative current makes the baffle of the valveless pump reciprocating motion.

该无阀泵具有锥形入口和出口而不需要阀门控制，单方向泵流是靠锥形入口和出口的收缩和膨胀作用实现的，差动式形状记忆合金执行器在交变电流的控制下使无阀泵的挡板往复运动。

Fire pump, bilge pump, ballast pump, oil discharge pump, heat exchange etc. and some other pump service for the main engine, assistant engine, boiler.

为主辅机，锅炉服务的各种泵以及消防泵，舱底泵，压载泵，货油泵，热交换器等。

The technology specification for heating boiler, top air fan, air conditioning unit, start-up boiler, condensate pump, water ring vacuum pump, high-low bypass, automatic filter, closed cooling water heat exchanger, closed circulating cooling water pump, heavy oil treatment line, industrial waste water treatment equipment, water technology pump, steel valve gate, circulating water pump, oily waste water treatment, rotating type screen, chemical water treatment, UPS, generator-transformer unit fault wave recording, generator, main transformer and HV unit auxiliary transformer protection, synchronizing device, fast changeover, DC panel and high frequency switch and battery.

采暖锅炉，层顶风机，空调机组，启动锅炉，凝结水泵，水环式真空泵，高低旁路，自动滤水器，闭式冷却水换热器，闭式循环冷却水泵，重油处理线，工业废水处理设备，水工专业水泵，钢闸门，循环水泵，含油污水处理，旋转滤网，化学水处理，UPS，发变组故障录波，发电机，主变压器及高厂变保护，同期装置，快切，直流柜及高频开关，蓄电池等设备的技术规范书。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。