论述了螺杆氨泵机组的优缺点。
The advantages and disadvantages of screw compressor ammonia-pump unit are analyzed also.
这也是我们荷兰P办事处销售泵机组非常成功的原因。
This is also the reason why we are pretty successful in marketing the Pumpworks line from the P offices.
介绍变速泵站优化运行及变速泵机组最佳台数的选择。
The optimized operation of pumping station with variable speed drive (VSD)and the selection of number of pump-units in the station are discussed.
针对泵机组的各部件存在的振动，分析了产生振动的原因。
首先讨论了柱塞泵机组的结构与运动特点，确定了振动监测部位；
The monitoring position of every moving part is determined according to the structural and motion characteristics of the plunger displacement pump.
成品油在管道输送过程中，沿线泵机组在管道运行中要消耗电力。
Power will be consumed by the pumps of the stations along the product pipeline in the process of transportation.
根据水泵装置特性研究了拦污栅及其污物阻水对泵机组运行的影响。
Based on the characteristics of pump assembly, the influences of hydraulic resistance of trash rack and feculence on pump unit operation are investigated.
隔膜泵机组的振动以及其它故障是影响机组安全、稳定运行的主要因素。
Vibration and other fault of diaphragm pump set is the main factor which affect the factory to run safely and stably.
本文主要介绍隔膜泵机组技术参数的合理匹配以及隔膜行程控制系统设计分析。
Here is dealt mainly with rationally matching all the tech parameters of a diaphragm pumping unit and analyzing the design of its stroke control system.
提出只有选择工艺合理的泵机组运行方式和控制方式，才能实现成品油管道的安全平稳运行。
The authors point out that only after selecting rational operating mode and control mode of pump unit can the safe and steady operation of pipeline be ensured.
压裂设备包括泵机组、混砂车、散装运输设备(如砂子和压裂液运送设备)以及管汇拖车等。
Fracturing equipment includes pumping units, blenders, bulk handling equipment such as sand and frac fluid transports, and a manifold trailer, etc.
对五柱塞泵机组的振动激励源进行了分析研究，并对主要激励源振动频率进行了分析、计算；
This paper describes the basic characteristics of the various exciting sources of the pumping set, and analyses and calculates the vibration frequencies of the sources.
该数学模型计算的结果表明，管道的输送能力随泵机组可靠度的降低和管道长度的增加而减小。
Result calculated by the mathematics model indicates that pipeline capacity decreases as the length of pipeline increases and reliability of pump unit reduces.
在泵系统故障诊断与监测中的应用表明，混合型神经网络能可靠地进行水泵机组故障模式的识别。
Its application to fault diagnosis and state monitoring for a pump system shows that the hybrid neural network may recognize the fault modes in pump units reliably.
导轴承是大型水泵最为关键的易磨易损部件，故障率高，导轴承故障占泵机组故障的50%以上。
The guide bearing is the key part of a large water pump for its grindability. Its failure rate is very high, and its failure is above 50% of pump unit failure.
在大功率泵机组循环试验中，其介质温升是一个很严重的问题，温升大小对于整个试验的安全具有重要意义。
In circulating test of heavy power pump set, the temperature rising of medium is a problem to be focused on, and the scope of temperature rising is of importance to the safety of overall test.
东江泵站结合扬程变化幅度大的特点，在技术改造中采用双速全调节叶片的大型轴流泵机组型式，取得了明显的节能效益。
In the technology reform of Dongjiang Pumping Station, a large scale axial -flow pump with double speed is used to fitting in with the nature of the pump head varying greatly.
本文通过调查泵机组轴承故障情况，分析泵站辅助设备油系统和水系统对主机组轴承的影响，提出提高轴承可靠性和运行寿命的对策和措施。
The malfunction situations of bearings were investigated. The influences of assistant equipments on bearings were analyzed. The measures were put forward to improve the reliability and bearings life.
与此同时，日本核监管机构说，正着手将外部电源线连接到受损核电站的两个机组上，希望重新启动它们的冷却泵。
At the same time, Japan's nuclear regulator said it was working to connect outside power cables to two of the units at the stricken plant, in hopes of restarting their cooling pumps.
该机组具有两个128加仑(480公升)混合灌、一个30加仑(118公升)料斗和一个带凸缘的灌浆泵。
This unit features two 128-gallon (480 liters) mixing tanks, a 30-gallon (118 liters) holding hopper and a flanged inlet progressive cavity grout pump.
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many years is disappeared.
水冷冷却系统是一套完整的制冷系统，包括冷凝机组，水箱和泵，装载在一个机箱中。
Package chillers are a complete chiller system including condensing unit, tank and pump built entirely into a single cabinet.
本产品与冷凝机组，罐和泵组成了一个完整的系统。
Complete package system with condensing unit, tank and pump built entirely into a single cabinet.
除实现消防报警联动控制的全部功能外，还实现了相关设备如空调机组、生活泵、照明等协调运行。
It has realized not only all the functions of FAS, but also the concerted running on correlative equipment such as air condition unit, living pump, lighting and so on.
真空脱气机组是包括真空脱气机、真空泵和离心泵。
The vacuum takes off the angry aircrew including the vacuum takes off angry machine, vacuum pump and centrifugal pump.
大机组给水泵手动并泵操作复杂，易造成汽包水位大幅波动。
Procedure of manually combing large size unit's Feed water Pump is complex and easy to cause much change of drum level.
在喷雾于燥机组中，合理地利用加热蒸汽，正确地选择进风机、排风机和高压泵（或离心雾化器），也能达到同样的效果。
In the spray and dry set, rational make use of head steam, correct choose get in blower, exclude blower and high - pressure pump (or centrifugal atomizer).
经过试验和探索，找到了夏季真空波动的原因，在直接空冷机组中，真空泵出力对真空的变化有明显的影响。
Through tests and exploration, the cause of vacuum fluctuation in summer was found, in the direct air cooling unit, the output of vacuum pump had obvious influence on the variation of vacuum.
现有的300MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响，不能准确反映凝汽器的运行状态。
In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.
现有的300MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响，不能准确反映凝汽器的运行状态。
In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.
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