电站

Research on co-firing of biomass with coal:analyse of slagging, fouling , and abrasiveness performances

通过对燃煤电站锅炉受热面积灰结渣和吹灰运行对系统经济性影响的分析，总结出与之相关的经济性指标，建立计算模型，归纳出了电站吹灰经济性综合评价指标。

This research focuses on the investigation of application of compound combustion engine in generating sets. Through theoretical analysis and practical applications of diesel and generating sets produced by our company, comprehensive investigations have been carried out in such aspects as soot and NOx emissions reduction from compound combustion engines, specific fuel consumption reduction, improvements of fuel economy of generating sets and compound combustion engine meets special power match of generating sets.

本课题主要着眼于组合燃烧发动机在电站机组中的应用研究，通过对本公司生产的柴油机和电站机组的理论分析和具体实践，在组合燃烧发动机减少碳烟和NO_x排放，降低当量比油耗，提高机组的使用经济性，以及组合燃烧发动机满足电站机组特殊的动力匹配方面进行了创造性的总结，并论证了适合我国技术水平和能源状况的组合燃烧理论。

Pumped storage unit works in turbine-generator mode or pump-motor mode, Monitoring and Control system is very complicated, and each Pumped Storage Power Station's generating capacity and geographic conditions have their own characteristics. Therefore, it is very important to design a reasonable monitoring and Speed control system before the pumped storage station has been builded.

抽水蓄能机组在水轮机-发电机和水泵-电动机两种模式下工作，运行工况多，监控与调速系统十分复杂，并且每个抽水蓄能电站的发电量及地理条件都存在一定的差异性，因此在建设新的抽水蓄能电站时，科学的设计抽水蓄能电站的监控与调速系统是非常重要的工作。

First chapter is the summary, mainly introduced the project basic survey; Second chapter for the dam site hydrology characteristic, introduced the Hubei -01 key project in the basin specially is nearby the dam site hydrometeorology survey; Third chapter for the key position and the storehouse district terrain geology condition, introduced explained the dam site specially is nearby the dam spool thread terrain geology condition; Fourth chapter for the key position building shaping and the hydrology computation, including determined key position the project rank, the building shaping, adjusts Hong to calculate, blows off the bottom hole cross section size drawing up with initially to draw up the key position scheme of arrangement; Fifth chapter draws up for the size with the dam body arrangement, including the shaping, the Liang section plane determination, the dam body dam base guards against infiltrates the draining water facility the arrangement and the dam body plane arrangement and the stress stable analysis computation; Sixth chapter for the flood discharge design, mainly is the top of dam detailing and the downriver disappears can design; Seventh chapter for blows off the building the design, mainly is to imports the building the detailing strobe arrangement and Kong Shen and the exportation disappears can the design; Eighth chapter pilots the system and the power plant workshop design for the power plant, mainly is directs the system and the power plant workshop design to the power plant; Ninth chapter is ground processing, including ground excavating, the cleaning up, solidifies the grouting, the curtain is in the milk and all that some processing measure.

第一章为综述，主要介绍了工程的基本概况；第二章为坝址水文特性，介绍了鄂-01枢纽工程所在流域特别是坝址附近的水文气象概况；第三章为枢纽及库区地形地质条件，介绍说明了坝址特别是坝轴线附近的地形地质条件；第四章为枢纽建筑物的选型及水文计算，包括确定枢纽的工程等级，建筑物选型，调洪演算，放空底孔断面尺寸的拟定和初步拟定枢纽布置方案；第五章为拱坝尺寸拟定和坝体布置，包括拱坝的选型、拱冠梁剖面的确定、坝体坝基防渗排水设施的布置及坝体的平面布置和应力稳定分析计算；第六章为泄洪的设计，主要是坝顶的细部设计和下游消能设计；第七章为放空建筑物的设计，主要是对进口建筑物的细部设计闸门布置及孔身和出口消能的设计；第八章为电站引水系统及电站厂房设计，主要是对电站引系统和电站厂房的设计；第九章为地基处理，包括地基的开挖，清理，固结灌浆，帷幕灌浆以及其他一些处理措施。

This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.

本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统，在线解析系统包括：现场数据采集单元，用于测量电站各分设备的状态参数；与现场数据采集单元相连的数据库服务器，用于存储现场数据采集单元测量得到的状态参数；模型运算服务器，其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度；客户机，其接收用户输入的命令并输出模型运算服务器的计算结果；网络，其将数据库、模型运算服务器和客户机连接在一起。

As the complete characteristic curves of reversible pump turbine are often used to calculate the instantaneous parameters, this paper studies the characteristic curve and the wicket closure and opening law in pumped storage plants.Chapter 1 presents the importance and the necessity of this study and reviews the previous related research on hydraulic transient process and valve regulation in pumped storage plants.Chapter 2 analyzes the six collected characteristic curves of reversible pumped turbine and studies their diversification from the point of view of specific speed. The six collected discharge and moment curves with maximum efficiency have been fitted to piecewise continuous curves. This curve-fitting procedure is listed.Chapter 3 takes Liyang Pumped storage plant as an example and analyzes the effect of different characteristic curves on regulation guarantee parameters and the variety of its trochoid during the same operation status.Chapter 4 takes three pumped storage plants with different heads as examples and studies the characteristic of coordinated closure with wicket gate and ball valve and its effect on dynamic pressure in the spiral case, inlet pressure in the draft tube and the rise of rotating speed.Chapter 5 summarizes this paper and point out what should be done in the future research.

由于在过渡过程分析计算中，需要频繁利用可逆式机组的全特性曲线推求机组的瞬时参数，所以本文就特性曲线及关闭规律问题进行了研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水力过渡过程、抽水蓄能电站及阀调节的研究成果，在此基础上提出本文的研究内容；第2章，针对收集到的六套特性曲线，从比转速的角度出发来研究可逆式机组特性曲线的变化规律；并对六套曲线的最高效率流量和力矩曲线进行分段拟合，得到各分段函数的具体形式，再通过举例说明最高效率曲线的拟合步骤；第3章，以溧阳抽水蓄能电站为实例，分析讨论不同比转速特性曲线对调保参数造成的影响及对于相同工况其轨迹线的变化；第4章，结合高、中、低三水头段抽水蓄能电站，在导叶直线关闭的基础上，研究导叶与球阀协联关闭规律的特点及对蜗壳动水压力、尾水管进口压力及转速上升造成的影响；第5章，总结全文，提出今后研究的重点和方向。

By studying factors affecting short-termoptimal dispatching of cascaded hydropower plants, such as water amount, waterhead, water delay, water smoothing effect, and instable flow phenomenon ofdownriver, and analysis of the simulation results, the optimal operation ofcascaded hydropower plants is summarized, to help implement the optimaloperation of the whole system and provide guidance for the real-time operation,increasing the profits of the power plants.

通过研究影响梯级水库短期优化调度的水量联系、水头联系、水流滞时和坦化现象、下游不稳定流现象等，以及对模拟仿真计算结果的分析，归纳总结出梯级电站短期调度运行规律用于指导水库实时运行，以实现整个梯级电站的优化运行，达到增加整个梯级电站发电收益的目的。

With the successful experiences in the coal-fired power plant, High-frequency Electrostatic-Fabric integrated dedusting technology has been proved to meet the requirements of energy saving and emission reduction under the poor condition of flue gas in the coal-fired power plant.

本文阐述了高频电袋复合除尘器技术的集成创新，结合在燃煤电站锅炉配套中的成功实践，满足了当前燃煤电站烟气条件差、排放要求高状况下的节能减排需求，此技术拥有常规单一除尘技术所没有的高效、节能优势，填补了国内空白，为今后燃煤电站粉尘治理提供了借鉴。

While researching the optimal operation of hydropower station, it is essential toconsider the optimization of operating efficiency, vibration characteristics of unit andthe safety of electric power system meanwhile. The researches of optimal operation ofLijiaxia Hydropower Station of two-row placed units are as follows: 1. Summarizes the operation experience of Lijiaxia Hydropower Station in recentyears, analyses the demands to the operation of station, provides the problems existedand the research direction of optimal operation.

在电站的运行优化研究同时考虑电站的运行效率的优化、运行状态的优化和电网安全问题是必要的，针对李家峡双排机的水电站的优化运行问题开展以下几方面的研究：(1)总结近几年来李家峡电站的运行经验，分析电网对李家峡电站运行的要求，提出了运行存在的问题和优化运行的研究方向。

This paper describes the first land-based Ocean Thermal Energy Conversion powerplant built in the Republic of Nauru.

本文描述了世界上第一座陆上式海水温差电站的一些结果。电站被按装在瑙鲁共和国海岸。R—22被用作闭式循环电站的工质。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。