本文针对汽轮机转子的脆化现象,运用有限元方法对引进型300MW汽轮机冷态启动过程的高中压转子瞬态温度场进行了分析计算。
To the embrittlement phenomenon of steam turbine rotor, this thesis calculated 300mw steam turbine rotor's transient temperature field of cold start-up using FEA method.
介绍用过饱和蒸汽法处理背压式汽轮机积盐的过程和注意事项。
Disposal of salt scaling in a back-pressure steam turbine by supersaturated steam method is described with respects to the procedure and points for attention.
以三压有再热余热锅炉的燃气-蒸汽联合循环为例,推导出非补式余热锅炉型蒸汽轮机热效率关于耦合参数的关系式,在此基础上得到了燃气-蒸汽联合循环热效率关于耦合参数的关系式。
Taking a triple pressure reheat HRSG in the gas-steam combined cycle as an example, a general expression of the steam turbine thermal efficiency to coupling parameter with the unfired HRSG is derived.
将其应用于发电厂汽轮机金属部件如高、中压缸结合面以及汽轮机叶片的表面和近表面裂纹快速扫查和测深,取得了一定效果。
The technique proved effective when it was used in rapid crack testing and crack depth measuring of steam turbine metal parts such as joint face of hig.
本文对径向挤压成形的汽轮机静叶片进行了精压工艺研究。
In this paper, the coining of turbine static-blade formed by lateral extrusion is researched.
本文通过中压全尺寸燃气轮机燃烧室空气加湿燃烧实验,研究了加湿度对燃烧特性的影响。
In this paper, an air humidified combustion experiment was carried out using mid-pressure full-dimension gas turbine combustor to determine the effects of humidity on combustion characteristics.
介绍了背压式汽轮机积盐积垢的处理方法—过饱和蒸汽法,通过清洗使汽轮机的出力率得以提高。
A treatment method of super-saturation steam for deposited salt in steam turbine is introduced, output of the steam turbine is therefore improved through purge.
目前双背压汽轮机是按单背压汽轮机来进行热耗率计算的,由此带来热耗率计算的偏差。
At present heat rate calculate of the double back pressure turbine is according to single back pressure turbine, which brings deviation of heat rate calculate.
并给出了新的水轮机流量与蜗壳压差关系表达式,同时也给出了详细的逼近计算过程和计算公式。
Not only a new expression of the turbine's discharge and differential pressure of the Spiral case was proposed, but also the detailed approximation process and computing formula were given.
介绍汽轮机高、中和低压缸抽汽流道的流量分布和压损的计算方法。
The paper presents a method for calculating mass flow distribution and pressure losses in HP, IP and LP steam turbine extractions.
介绍汽轮机高中压转子金属材料的脆性转变特性。
The paper Introduces fracture appearance transition character of turbine high and middle pressure rotor made metal material.
基于CFX软件平台,对带无叶扩压器离心叶轮机械内部的非定常流动进行了数值计算分析研究。
The unsteady flow within a centrifugal fan with vaneless diffuser was numerical simulated and analyzed on the CFX software flat.
该系统由主机遥控、自动电站、油水与压载自控、船舶浮态自控、监测调控及轮机管理中心等子系统组成。
The system includes main engine remote control, generating plant automatic control, level monitor, machinery space monitor, auxiliary machineries regulation, management centre, etc.
背压汽轮机和减温减压器都可以用于用汽系统,提供不同等级的蒸汽。
The exergy loss of primary steam after temperature and pressure reduction is calculated.
针对国产N200—130/535/535型汽轮机,分析其汽水侧超压保扩原理,并对运行人员提出了相应要求。
This artcle analyses the high—pressure header steam water side excess pressure protect theory of local N200—130/535/535 turbine, and shows the relevant requirement to operator.
在求出单级临界压比的基础上,可以计算出级组的临界压比,为在汽轮机变工况在线计算和故障诊断提供数据。
With the critical pressure ratio of a single stage, that of the staging can also be obtained, and thus can supply data for the online calculating and diagnosis of the steam turbine.
介绍了根据余热量来选择背压汽轮机的原则方法,并以一个实例数据说明供热蒸汽差压发电在经济效益上的优越性。
Selection methods of back pressure turbine according to after-heat are introduced. An example is given to show economic advantages of differential pressure power generation using heating steam.
本文通过拼接运动规律在平压模切机输纸机构中的应用原理的论述,介绍了一种平行分度凸轮机构设计软件的原理。
This paper discusses the principle of combination cam curves and its application in the paper feeder of die-cutting machine. It introduces the fundamentals of a parallel indexing cam design software.
研究了涡轮机的转速与压降对涡轮机的流量、输出功率和能量转换效率的影响。
Furthermore, the effects of rotation speed and pressure drop of the turbine on the mass flow rate, output power and efficiency of the system have been studied.
主要用于燃气轮机、蒸汽透平机、空分设备、空压设备、发电机组等大型设备的噪声治理。
The sound reduction hood is mainly used in gas turbine, steam turbine, air separation plant, air compressor, generator set and other large-scale equipment for noise control.
介绍了上海汽轮机有限公司1000MW超超临界汽轮机中压缸整体总装的工艺技术。
The article involves the IP-casing integral assembling process technology of ultra supercritical 1000MW steam turbine made by Shanghai Turbine Company Ltd.
并对20万千瓦汽轮机中压转子作了实际计算,最终得出一些有用的数据和结论。
With the IP rotor of 200mw steam turbine as an example, transient temperature and thermal stress field calculation is made Finally, some useful data and conclusions are obtained.
针对汽轮机低压缸末端,本文基于汽轮机的功率背压特性建立了循环水变速调节系统的多目标节能优化体系结构。
To the end of lower pressure cylinder, the thesis set up architecture of multi-objective energy saving for thermal power units on the basis of power characteristic to back pressure of steam turbine.
阐述了中压缸启动的系统要求、操作,指出了高中压缸联合启动存在的不足,说明了大型机组汽轮机采用中压缸启动的优点及其应用前景。
This article concerns about demands, operation of IP cylinder start-up, points out the disadvantages of HP-IP cylinders unite start-up, the advantages and applied prospect of IP cyclinder start-up.
东方汽轮机厂在600MW汽轮机组的中压缸启动方式下,为提高高压缸暖缸效果而设计了一套高压缸暖缸程序,有助于在启动过程中加快高压缸的温升速度,并可提高原程序的可操作性及暖缸效果。
The East Turbine Works has added a warming cylinder program of HP cylinder into the MP cylinder starting mode of 600 MW turbine sets to improve the warming cylinder effect of HP cylinder.
他们的构想是依赖流过海底充气气垫的波压产生电能。脉冲压缩空气进而带动电动涡轮机旋转。
Its idea relies on wave pressure passing over air-filled pillows on the sea floor.
他们的构想是依赖流过海底充气气垫的波压产生电能。脉冲压缩空气进而带动电动涡轮机旋转。
Its idea relies on wave pressure passing over air-filled pillows on the sea floor.
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