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circulating pump
相关语句
  循环泵
     Analysis and Precautions of LUV55/4FQ20-605 Motor Accident in Boiler Circulating Pump
     LUV55/4FQ20-605型炉水循环泵电动机事故原因及预防措施
短句来源
     Transformation of Soft Water Circulating Pump of 2~# 750m~3 Blast Furnace at Laigang
     莱钢2~#750m~3高炉软水循环泵改造
短句来源
     Analysis on the Abrasion of Thrust Bearing of Circulating Pump for 500 MW Unit Made in Czech and Its Countermeasures
     捷制500 MW机组循环泵推力轴承磨损分析与对策
短句来源
     Realizing the Control of Circulating Pump by Open DCS
     开放性DCS实现循环泵系统控制
短句来源
     RELIABILITY DESIGN OF V-BELT DRIVE OF THE CIRCULATING PUMP
     循环泵中V带传动的可靠性设计
短句来源
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  循环水泵
     Energy conservation and optimized improvement on LW4-25 circulating pump of 200 MW unit
     200 MW机组LW4-25型循环水泵及系统节能优化改造
短句来源
     The Construction Technology of the prevention of the Over vibration of Bearing of 88LKXA-20 type Vertical Water circulating Pump
     防止88LKXA-20型立式循环水泵轴承超量振动的施工技术
短句来源
     In view of the energy-saving retrofit on LW4-25 circulating pump of domestic 200 MW unit,the flow passage can be retrofitted with the impeller out of service to increase the operation efficiency by 19.73%~25.19%,improve the flow by 2 198~3 036 m3/h and reduce the electric power by 199.47~107.51kW.
     针对国产200MW机组的LW4-25型循环水泵进行节能改造,利用其报废叶轮进行通流部分改造,使老产品运行效率提高了19.73%~25.19%,流量提高了2198~3036m3/h,电功率下降了199.47~107.51 kW;
短句来源
     Improvement about Control Mode for Fluid-drived Butterfly Valve on Circulating Pump on 135 MW Generator Set
     135MW机组循环水泵液控蝶阀控制方案的改进
短句来源
     Theory and application of energy-saving transformation of circulating pump in 4~# unit of Huaneng Shang'an Power Plant
     华能上安电厂4~#机组循环水泵节能改造理论与应用
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  “circulating pump”译为未确定词的双语例句
     After transformation, the circulating water of 2# 750m3 BF is increased to 1230 m3/h, the head of circulating pump is increased to 60m, and the intensity of cooling is improved, the life of cooling stave is extended to 2 years, the system's operating security is improved, and the annual benefit of power economy is 0.13 million Yuan.
     改造后,2#750m3高炉炉体的循环流量达到1230m3/h,扬程60m,冷却强度提高,冷却壁寿命延长了2年,提高了系统运行的安全性,年节电效益13万元。
短句来源
     Corrosion reasons for seawater circulating pump wheel hubs of 600 MW units
     600 MW机组海水循环泵轮毂腐蚀原因分析
短句来源
     Some problems about resistance calculation and circulating pump selection in air conditioning water systems
     空调水系统阻力计算及水泵选型若干问题
短句来源
     Selection of Circulating Pump for Air Conditioning Water System and Analysis of Saving Energy
     空调循环水系统泵的选择与节能分析
短句来源
     The function and control of the 600 MW supercritical boiler's start-up system is presented. As an example,the inner separator with circulating pump of HG-1950/25.4-YM1 model is introduced.
     阐述了600MW超临界发电机组的启动系统功能和控制,并着重介绍了HG-1950/25.4-YM1锅炉内置式启动分离器系统。
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  circulating pump
Selection of the flow-through part of the main circulating pump for a block of an atomic power plant
      
Incorporated into the photosynthesis meter, the sample tube of the analyser is connected to a leaf chamber and circulating pump forming a closed gas circuit.
      
An example is given by a set-up containing a circulating pump, a dye laser, an optical multichannel analyzer, and a UV/VIS-spectrometer with high photometric reliability.
      
With electrical power remaining ON to the heater and heater operating, shut off the power to the circulating pump.
      
The reservoir, a stirrer, and external circulating pump represent the blood volume of a patient and the mixing action of blood circulation.
      
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In order to observe and identify the intermediates and the change of the catalyst under reaction conditions, we have designed and assembled a high temperature and high pressure infrared spectrophotometer cell. The cell, constructed from stainless steel with NaCl or CaF3 windows, can withstanb 100 atm, and 200℃ The measurement system consists of autoclave, circulating pump and spectrophotometer cell. The infrared spectra are recorded using a Microlab-600 infrared spectrophotometer. The temperature and pressure...

In order to observe and identify the intermediates and the change of the catalyst under reaction conditions, we have designed and assembled a high temperature and high pressure infrared spectrophotometer cell. The cell, constructed from stainless steel with NaCl or CaF3 windows, can withstanb 100 atm, and 200℃ The measurement system consists of autoclave, circulating pump and spectrophotometer cell. The infrared spectra are recorded using a Microlab-600 infrared spectrophotometer. The temperature and pressure in the cell are the same as that in the autoclave, so that it can be used in ''in situ" tracing the behaviour of liquid, gase and liguid-gas mixtures.For the hydroformylation reaction of proplene with rhodium-phosphine complex catalyst, the transition of catalyst precursor Rh(acac) (CO) (PPh3) to active species RhH(CO)2(PPh3)3 has been recorded under the industrial reaction conditions (t =100℃, p=17atm. butyl aldehyde as solvent). If the pressure of synthetic gas is rather low, only RhH(CO) (PPh3) 3 can be identified. The active species RhH(CO)2(PPh3)2 disappears while the catalyst loses its reactivity. The oxidation of the ligand PPh3 and the formation of OPPh3 have been characterized under the oxygen atmosphere. In this case, the deactivation of catalysts, the formation of catalyst dimer, oxidation of proplene to acetone and the dynamics of CO oxidation to form CO2 have been traced.In this paper, the experimental method concerning the ''in situ" infrared tracing technique, high temperature and high pressure I. R spectrophotometer cell have been described and some experimental data and results have been given.

为了观察和监测反应条件下中间产物和催化剂的变化,自行设计并安装了高温高压红外流动池。池体用不锈钢制成,窗口材料为NaCl或CaF_2。它可承受100atm和200℃。整个测量系统包括高压釜、循环泵、红外池等。用Microlab-600型红外分光光度计记录图谱。池内温度和压力与反应釜桐同,可对反应液体、气体或气液混合物进行“原位”追踪。 当用铑膦络合物催化剂进行丙烯氢甲酰化反应时,在近于工业反应条件下(t=10O℃,P=17atm,正丁醛溶剂),检测到催化剂母体Rh(acac)(CO)(PPh_3)转化为活性物种RhH(CO)_2(PPh_3)_2;在合成气压力较低时,只转化为RhH(CO)(PPh_3)_3;此活性物种随催化剂失活而消失。催化剂加氧失活后,检测到配位体三苯基膦氧化为氧化三苯基膦,催化剂生成二聚物,丙烯氧化成丙酮,追踪到原料气CO氧化为CO_3的动态过程。 本文对“原位”红外光谱实验方法、高温高压红外池作了介绍,并给出有关实验数据和结果。

This article is an summary of the experience resulting from productive prac-tice,in which the author not only analyses the problem of seal leakage throughthe leak accident of double-cone seal of the coolant circulating pump,but also inthe process of resolving the above trgubles,raises his own opinions and view po-ints on double-cone seal.

本文是一篇关于双锥密封生产实践经验的总结。作者对载热剂循环泵双锥密封的泄漏问题进行了分析,提出了自己的意见与看法。

Shaft seal of phosphoric acid circulating pump uses the configulation of sealing sub -wheel. Two J-type rubber oil seal, not metal-encased, are used as stopping seal, but rubber O-ring must be substituted for carbon steel tight-binding spring. In order to cnsure some radial force of the lip, this paper puts forward a formula calculating the dimension of a rubber O-ring, and recommends the specification of tne O-ring used in oil seals in tabular form.

磷酸循环泵的轴密封采用副叶轮密封结构,用中注水的二只J型无骨架橡胶油封作为仃车密封,但须将油封中的碳钢箍紧弹簧换以橡胶O形圈。为了保证一定的唇口径向力,本文提出了橡胶O形圈的尺寸的计算公式,并用表格的形式推荐了油封所配用的O形圈的规格。

 
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