核主泵是核电站核岛一回路系统的核心，对核反应堆的安全运行起着至关重要的作用。
The main pump is the core of the first loop in a nuclear power plant, and it plays a vital role on the safety of the nuclear reactor operation.
核主泵是压水型反应堆核电站中的核心设备之一。
The nuclear reactor coolant pump (RCP) is one of the core equipments in PWR nuclear Power Plant.
本文简要介绍了屏蔽主泵的功能、布置以及结构特点。
This article briefly introduced the function, arrangement, and structural features of the canned reactor coolant pump.
主泵为立式，单级离心泵，大流量，能承受高温、高压。
The reactor coolant pump is vertical, single stage, centrifugal pump to pump large volumes of reactor coolant at high temperature and pressure.
主泵提供足够的强迫循环流量，以保证有充分的热传递能力。
The reactor coolant pump provides sufficient forced circulation flow to ensure adequate heat transfer.
发现主泵工作叶轮的叶片端面与盖板连接处的焊接区域有缺陷。
The defects at the welding areas of blades of working impellers of primary pump connecting the cover plate have been found during pre-service inspection of Unit 1 at JNPC.
在前级泵与主泵中间串联一个电磁真空充气阀，随前级泵开关而启闭。
In between, an electromagnetic vacuum inflation valve is installed in series, which opens and closes with the switch of the pre-stage pump.
高温气冷堆主氦风机与压水堆主泵一样，均为反应堆一回路的关键设备。
Both the primary helium circulator for high-temperature gas-cooled reactor (HTR) and the primary pump for the pressurized-water reactor are the key components in the reactor primary loop.
主泵由三个部分组成(由下而上)：水力部件，轴密封部件和电机部件。
The pump consists of three sections from bottom to top: the hydraulic section, the shaft seal section and the motor section.
在长距离输油（气）管道工程中，大部分泵站内的主泵采用调速电机驱动。
Most of main pump in pump stations driven by variable speed motor for long distance transport petroleum engineering.
主泵接于每个蒸汽发生器封头出口的位置也有安全和性能优势，西屋电气称。
The location of the pumps in the channel head of each steam generator also has safety and performance advantages, Westinghouse says.
输油主泵常要求正的吸入压力，并常由靠近储罐的给油泵(也称喂油泵)提供。
A positive suction pressure on the main pumps usually is needed and is frequently supplied by booster pumps close to the tanks.
一种泵系统(10)，包括用于向主泵(50)供水的一个或多个辅助供给泵(60)。
A pump system (10) that includes one or more satellite supply pumps (60) to feed a main pump (50).
其次，络筒机应据染缸的主泵扬程、液流量和外加压力的大小，调整不同纱支的卷绕密度。
Secondly, the packing density of wound yarn with different count should be adjusted according to the lift of main pump on dyeing kier, the flow of liquid and the pressure applied.
核电站反应堆主泵是一回路的关键设备，其设备状态的优劣将直接影响核电站的安全和运行。
Reactor primary Pump is the important equipment in the primary circuit, its working quality would directly influence the safety and operation of nuclear power plant.
AC600中的主泵电机应为高转动惯量、高可靠性、高效率和起动性能良好的屏蔽电动机。
The reactor coolant pump canned motor of AC600 PWR is the kind of shielded motors with high moment of inertia, high reliability, high efficiency and nice starting performance.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
对液压部分进行了主要元件如主泵、阀和液压缸的主要参数进行了匹配计算，并对系统的一些主要静态指标进行了计算。
Specification matching calculations are made for the main hydraulic components such as the main pump, valves and oil cylinder and some main static specifications in the system are also calculated.
核电站反应堆冷却剂泵（又称核主泵）是核岛中的唯一旋转核心设备，其运行的可靠性与否直接影响到核电站的安全性。
The reactor coolant pump in nuclear power plant is the only revolving equipment in the nuclear power plant. Its functional stability will directly affect the security of nuclear power plant.
本文探索了核主泵过流部件的水力设计方法，并且取得了一定的成果，为核主泵高效水力模型优化设计提供了有益的参考。
In this paper, the design method of nuclear main pump is explored and some achievements are gained which will provide some useful references for hydraulic optimized design.
目前，对压水堆主泵的惰转特性已有大量的实验研究和实际运行结果，但有关主氦风机惰转特性的实验研究与理论研究还很缺乏。
The stopping behavior of the primary pump has been studied in the experiments and the reactor plant, however, the study on the stopping behavior of the primary helium circulator for HTR is very lack.
他们又启动了两台主冷却泵。
主循环泵转动惯量的取值是停堆初期冷却阶段的关键问题。
The running inertia of the main coolant pump is the key problem of the primary phase.
汽车发动机用的化油器的组成通常包括燃油室、阻风门、怠速量孔、主量孔、空气节流喉管和加速泵。
Carburetors for automobile engines usually contained a storage chamber for liquid fuel, a choke, an idling jet, a main jet, an airflow restriction, and an accelerator pump.
井下主排泵是煤矿耗电量最多的设备之一。
Underground principal drain pump is one of the devices that consume the most power in coal mine.
该泵用于在反应堆停止时排除主回路的热量并降低其温度。
This pump removes the heat of the primary reactor coolant after the reactor is stopped and lowers its temperature.
该泵在主回路冷却水减少时，提供补充水以维持所需水量。
This pump supplies make-up water to maintain the volume when the primary reactor coolant has contracted due to decrease of load.
并且在三通调节阀调节的过程中，主管路流量是变化的，只要采用合适的泵和节流装置，可以实现主柴油机的变流量冷却。
If suitable pump and throttle equipment are applied, we can realize the variable flow cooling for main Marine diesel engine.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
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