电站

Author made a survey of the failures of boiler superheater s and reheaters in power plant units of the Ministry of Electrical Power. Statistics made last three years shows that 40-50% of the total pressure part failures were due to superheater -reheater leakage and tube failures.

作者对水电部所属电站中锅炉的过热器和再热器事故进行了全面调查，据近三年来的统计，过热器和再热器的泄漏、爆破次数占锅炉受压部件故障的40～50%。

These factors have seriously influenced the security and economical operation of the unit. This paper firstly summarizes the research background and the general situation of resarch about the overheating problem of boiler's high-temperature surface ,introduces the aspects and research findings in this field such as flux deviation、thermal deviation、flue gas velocity deviation at the exit of furnace and tee bends,et al.Then analyses the reason why high-temperature surfaces are overheated from such aspects as design、manufacture、operation, et al and points out one of the main factors that cause the overheating of reheaters is the flue gas velocity deviation caused by the remaining turning at the exit of furnace.

本文首先综合论述了课题的研究背景和目前电站锅炉高温受热面超温问题的研究概况，介绍了国内外流量偏差、热偏差、炉膛出口残余旋转、&三通&等研究方向和研究成果，然后从锅炉的设计、制造、运行等方面分析了高温再热器超温的原因，指出水平烟道内气流的残余旋转是造成再热器超温的主要原因之一。

Product series: Hydropower station/oil field series needle valve, changes the delivering necessary valve group, the ripple base pin valve, the oil field special-purpose needle valve, the oil field sample uses the needle valve, UN needle model valve and so on.

产品系列：电站仪表系列阀门，变送器配套阀组，波纹管针型阀，油田专用针型阀，油田取样用针型阀，美标针型号阀等。

The distributed power plant 's power conditioner system adopts an on-grid inverter to convert DC to AC and putout .

分布式电站的功率调节系统采用并网逆变器进行直流/交流电转换输出，其核心处理器是定点型DSP器件。

the distributed power plant's power conditioner system adopts an on-grid inverter to convert dc to ac and putout. and its cpu is a fixed-point dsp.

分布式电站的功率调节系统采用并网逆变器进行直流/交流电转换输出，其核心处理器是定点型dsp器件。

The supervisory control system of Hydraulic power plant is an important factor to achieve high level automation.

水电站自动化监控系统是提高电站综合自动化水平的重要因素。

Is the ministry of machinery and electronics industry professionals bulk material handling equipment factory, power station auxiliary sentinel plant, the largest domestic feeder production base, Henan In two enterprises.

鹤壁市百特公司（原河南鹤壁通用机械股份有限公司）是原机械电子工业部散状物料输送设备专业制造厂，电站辅机定点生产厂，国内最大的给料机生产基地，河南省二级企业。

Formerly Hebi通用机械厂 is the ministry of machinery and electronics industry professionals bulk material handling equipment manufacturer, auxiliary power station Sentinel plant, the largest domestic feeder production base, in two enterprises.

河南鹤壁百特通用机械销售有限责任公司(源于河南鹤壁通用机械股份有限公司)是原机械电子工业部散状物料输送设备专业制造厂，电站辅机定点生产厂，国内最大的给料机生产基地，省二级企业。

The economy of the power plant mainly is decided by thermal efficiency of the electricity station boilers .

摘要火力发电厂的经济性主要取决于电站锅炉的热效率。

Power plants were privatised and a competitive internal electricity market was set up.

电站私有化，国内竞争性的电力市场建立起来。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。