超超临界压力机组,ultra supercritical pressure unit
1)ultra supercritical pressure unit超超临界压力机组
2)supercritical pressure unit超临界压力机组
1.Through analyzing,"two basic facts,one striking contradiction , existing in present thermalpower mix in China,it is thought that to develop such commercialized and matured electricity generation technology assupercritical pressure units is an effective way to improve thermal power mix;indicated that to developsupercritical pressure units is confronted with design, manufacturing and operationetc.通过分析目前我国火电结构存在的“两个基本事实，一个突出矛盾”，认为发展超临压力机组这种已商业化的、成熟的发电技术是改善火电结构的有效途径；指出发展超临界压力机组面临着设计、制造和运行等几项技术难点，认为应在掌握新知识和新技术的基础上，努力实现我国发展超临界压力机组的技术跨越。
2.1supercritical pressure unit of a certain power plant suffered severe pollution during commissioning,the turbidity of effluent water rising up to 3 NTU from the usual 0.某电厂1号超临界压力机组的原水池、预处理系统、除盐系统、废水处理系统在调试过程中发生了严重的污染,出水浊度由平时的0。
英文短句/例句
1.Technical Retrofit on High-speed Barring of Feed Pump Turbine for Supercritical Pressure Unit超临界压力机组给水泵汽轮机高速盘车技术改进
2.Choosing of High-temperature Steam Pipe Materials for 1000MW Ultra Supercritical Pressure Units超超临界压力1000MW机组高温蒸汽管道材料的选用
3.Strategy Optimization and Commission on Primary Air Pressure Control in Supercritical Thermal Power Unit600MW超临界机组的一次风压力控制优化及调整
4.Improvement of the accuracy and reliability of pressure signals in shaft gland seal system of ultra supercritical unit超超临界机组轴封系统压力信号准确性和可靠性的提高
5.Cause Analysis and its Prevention to High Voltage Low Load Operation Condition Trip of Supercritical Generation Unit超临界机组高压力低负荷运行工况跳闸原因分析及预防
6.Deformation control in assembling and welding of ultra supercritical unit low pressure cylinder超超临界机组低压缸拼缸及焊接变形控制
7.Research on the Energy Saving of 600MW Supercritical Unit Thermodynamic System Made in China;国产600MW超临界机组热力系统节能研究
8.MEASUREMENT AND CALCULATION METHOD FOR THERMAL PERFORMANCE TEST OF ULTRA-SUPERCRITICAL UNIT WITH STEAM TURBINE EQUIPPED WITH DOUBLE-ROW HIGH-PRESSURE HEATERS超超临界机组汽轮机带双列高压加热器热力性能试验的测量计算方法
9.Analyses and Study on the Thermal Economy in 600MW Ultra Super Critical Unit of Power Plant;600MW超超临界机组热力系统热经济性分析研究
10.Solving Deflection of HP-IP Rotor for a 600MW Supercritical Unit by Dynamic Balance Test600MW超临界机组高中压转子弯曲的动平衡修复
11.Design Discussion on High-Pressure Water-Feeding Pipeline for Home-Made Super Critical 1000 MW Units国产1000MW超临界机组高压给水管道的设计探讨
12.Diagnosis and Treatment of Vibration Fault on Generator of Subcritical Pressure 600MW Unit亚临界压力600MW机组发电机振动故障诊断及处理
13.Research on the Vacuum Electron Beam Welding Process for HP and IP Diaphragm of Ultra-Supercritical Steam Turbine超超临界机组高中压隔板真空电子束焊接工艺研究
14.Measurement for Tank Liguid Level of Water Separator and Modification for Hydrodynamic Kinetic Pressure in Ultra-supercritical Boiler超超临界机组汽水分离器水箱液位测量和流体动压修正
15.Analysis of Current Measurement In Zouxian"s Exciting Transformer邹县电厂1000MW超超临界机组励磁变压器相量测量误差的分析
PARISION OF RUN BACK STRATEGY BETWEEN SUPERCRITICAL AND SUBCRITICAL UNITS超临界与亚临界机组RB控制策略比较
17.Thermal Economy Analysis on the Thermodynamic System of 600MW Supercritical Unit in Ningde Power Plant;宁德600MW超临界机组热力系统热经济性分析
18.Cause Analysis and its Treatment to 600 MW Unit Temperature Thrust Bearing Shoe Raising600MW超临界机组推力瓦温度升高原因分析与处理
相关短句/例句
supercritical pressure unit超临界压力机组
1.Through analyzing,"two basic facts,one striking contradiction , existing in present thermalpower mix in China,it is thought that to develop such commercialized and matured electricity generation technology assupercritical pressure units is an effective way to improve thermal power mix;indicated that to developsupercritical pressure units is confronted with design, manufacturing and operationetc.通过分析目前我国火电结构存在的“两个基本事实，一个突出矛盾”，认为发展超临压力机组这种已商业化的、成熟的发电技术是改善火电结构的有效途径；指出发展超临界压力机组面临着设计、制造和运行等几项技术难点，认为应在掌握新知识和新技术的基础上，努力实现我国发展超临界压力机组的技术跨越。
2.1supercritical pressure unit of a certain power plant suffered severe pollution during commissioning,the turbidity of effluent water rising up to 3 NTU from the usual 0.某电厂1号超临界压力机组的原水池、预处理系统、除盐系统、废水处理系统在调试过程中发生了严重的污染,出水浊度由平时的0。
3)super-critical and ultra super-critical power unit超临界、超超临界机组
4)supercritical pressure超临界压力
1.Measurements of coefficient of convective heat transfer for endothermic hydrocarbon fuel up tosupercritical pressures.;超临界压力下吸热型碳氢燃料的对流给热系数测定
2.Analysis and countermeasures of steam-excited vibration ofsupercritical pressure steam turbine;超临界压力汽轮机蒸汽激振问题分析及对策
3.In order to explore the underground heavy crude over 2000 meters in depth,a project of steam injection forsupercritical pressure steam generator was designed and compared with the project of hot water injection by raising pressure of the former set hot water boiler.为了解决埋深超过 2 0 0 0m的深层稠油开采难的问题 ,提出了一种超临界压力蒸汽发生器的开采方案 ,并与其他注汽方案进行了比较 ,同时研究了超临界压力热流体在地面管线和井筒中流动的规律。
5)supercritical pressures超临界压力
1.Convection heat transfer of CO2 atsupercritical pressures in a vertical tube (Din=2 mm) was investigated experimentally in order to study the effects of the variation of physical properties, buoyancy and thermal acceleration on the convection heat transfer.本文对超临界压力CO2在垂直圆管(Din=2 mm)内在高进口雷诺数和低进口雷诺数条件下的对流换热进行了实验研究,以研究变物性、浮升力和热加速对流动和换热的影响。
2.Convection heat transfer of CO_2 atsupercritical pressures in vertical small tubes with diameter of 1 mm was investigated experimentally.本文对超临界压力二氧化碳在内径为1mm的竖直细圆管中的对流换热进行了实验研究。
6)supercritical unit超临界机组
1.Discussion of the 600MWsupercritical unit design optimization;600MW超临界机组设计优化探讨
2.Economic operation of circulating pumps of 600 MWsupercritical units;600MW超临界机组循泵经济运行分析
3.Superheated steam temperature control systems for 600 MWsupercritical units;600MW超临界机组过热汽温控制系统分析
延伸阅读
超临界压力机组运行超临界压力机组运行operation of supercritical unitsehool一nJle yol，J一Zu yunx一ng超临界压力机组运行(operation of，uper-eritical units)超临界压力机组的运行与亚临界压力机组基本上相似，其区别在于蒸汽参数更高，工质特性有所变化，以及由之带来的若干设备和运行上的特点。工质变化特性水的饱和温度随压力的提高相应增加，而其汽化潜热则相应减少.当压力达临界点时，汽化潜热等于零。水的临界压力为22.12 MPa，在该压力下被加热至临界温度(相变温度)374.15℃时即全部从液相转为蒸汽，不存在两相区，即水变成蒸汽是连续的，并以单相形式进行。超临界压力时的情况与临界压力时相同。在超临界压力下，水到燕汽的变化只经历加热阶段和过热阶段，而无饱和蒸汽区。这就是和亚临界压力的实质性区别。正是这一特点，决定了超临界压力锅炉只能采用直流锅炉。更高的燕汽今数为了追求更高的热效率，方法之一就是采用更高的燕汽参数.国际上一般超临界压力机组的参数为:主燕汽压力24.2 MPa，主蒸汽温度538℃，再热燕汽温度538℃或5“℃。90年代，已投运了更高主燕汽压力和主燕汽温度的超超临界压力机组，参数高达31 MPa、600’C，乃至更高，且有进一步提高的趋势。超临界压力机组根据其运行方式不同，分为定压运行、变压运行和复合变压运行。近年来投产的超临界压力机组一般都采用变压运行或复合变压运行。对变压运行的机组来说，起动和低负荷过程，都处于亚临界状态，一般设计成75%负荷以上才进人超临界状态。为此，超临界压力锅炉还必须配置相应的起动系统，以完成锅炉起动过程中参数从亚临界到超临界的转换。超临界压力机组的高压部分，集中在给水泵出口、高压加热器、省煤器、水冷壁、汽水分离器、各级过热器、主燕汽管道、高压进汽阀门和汽轮机的高压缸部分.高温部分主要是锅炉过热器及其出口到汽轮机高压缸、再热璐及其出口到汽轮机中压缸进口和前几级。这些部分的管道、阀门和设备由于其工作压力高，按设计强度要求，相对的材料壁厚增加，工质的温度又很高，故工况变化时的热应力问题就十分突出。近年来，国际上发展了Pgl和Tgl的新钢种，有较高的高温持久强度，适用于蒸汽温度小于600℃及以下的受热面和蒸汽管道。运行特点超临界压力机组运行，在锅炉和汽轮机等主设备上各有一些特殊问题。汽水分离器的干湿态转换超临界压力锅炉在起动过程中，起动系统的运行具有特殊的要求。锅炉进水后，汽水分离器由水位控制阀保持一定水位.点火以后，进人水冷壁的水受到加热，开始产汽，此时汽水分离器的作用相当于汽包，处于湿态。
