The variations of the exhaust steam pressure with saturated exhaust steam flow rate and the inlet air temperature of the condenser were presented at100% speed and half speed of axial fans. 针对轴流风机全速和半速运行工况,计算得到了汽轮机背压随凝汽器凝结蒸汽量和进口空气温度的变化规律。
Effect of the Cool Steam Inlet Condition on Rotor Cooling Efficiency 冷却蒸汽进口条件对转子冷却效果的影响
Unless maximum practical chevron surface area has been installed, no steam separation efficiency credit shall be allowed for the mesh added to the inlet of the chevrons. 除非已安装最大实践雪佛兰表面面积,尖顶入口处添加的网筛不得有蒸汽分离效率。
Provide steam rings for tube side inlet and outlet flanges. 管程的入口与出口法兰配备蒸汽环。
A turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust. 通过从入口到出口逐渐增加气压来发展转矩的带有桨叶的涡轮。
Steam inlet pipe is sealed with an advanced rotary joint without any steam and water leakage; 进汽管选用先进的旋转接头密封,杜绝漏汽、漏水现象;
A condensing sheet is arranged on the top cover, and is located on the upper portion of the steam inlet. 所述顶盖上设有冷凝片,冷凝片位于蒸汽入口的上部。
The calculation and research results show that the steam injector with double infall has a good performance of lifting-pressure and the outlet pressure may be 1.1-1.8 times as the inlet steam pressure, the temperature increase may change from 6 to 29. C. 研究结果表明:两级进水超音速汽液两相流升压装置具有较好的升压能力,装置出口水压可达进汽压力的1.1-1.8倍,同时装置温升可以在6-29℃之间变化。
Modification Design of the Steam Inlet for the Indirect Heating Continuous Desilication Heater 间接加热连续脱硅管道化加热器蒸汽进口热补偿的改造设计
Experimental research on Lifting-Pressure and heating process of supersonic steam-water two-phase flow injector in low inlet steam pressure 低进汽压力下超音速两相流升压特性实验研究
As for in-boiler process, influencing steam temperature deviation is as follows, heat-absorption deviation, flow deviation, structure deviation, and inlet flue steam temperature deviation; 就锅内过程而言,引起汽温偏差的原因有吸热偏差,流量偏差,结构偏差及进口汽温偏差等;
The loop uses high-temperature helium as the thermal source and in full scale to simulate the 30% generator load for two-phase flow stability verification test under various conditions: inlet sub-cooling degree, outlet steam pressure, flow rate and inlet resistance. 实验系统用高温氦气作为热源,采用1∶1全尺寸模拟,进行了30%负荷工况两相流稳定性验证实验、入口过冷度、蒸汽出口压力、流量及入口阻力对两相流稳定性影响的研究。
In a power Plant experiment, it was found that the operation of governing system would cause the pressure oscillation in turbine living steam inlet pipeline. 在一次电厂试验中发现,调节汽阀的快速操作会激起进汽管中的压力脉动;
The solution temperature and concentration distribution and steam absorption rate along the pipes and between the tube bundle were analyzed. The effects of solution spray density and inlet concentration on the coupled heat and mass transfer characteristics were analyzed. 根据数值计算结果,分析了溶液温度、浓度和吸收速率沿管排不同位置和水平管管间的变化,以及溶液喷淋密度和进口浓度对吸收器整体传热传质性能的影响。
Discussion on fluctuating causes of co_2 compressor steam inlet valve and the Countermeasures 二氧化碳压缩机提板阀波动原因探讨与对策
The Principle of Setting Main Steam Pressure at the Inlet of Turbine and Its Improvement 机前主蒸汽压力设定的原则与改进
Improvement and Effect of Revolving Steam Inlet 浅谈旋转进汽头的改进与效果
Dynamic Model Study on Closing Operations of Turbine Throttle Valve In the statistics of shutdown of large steam turbine the inlet Valve failure occupies nonnegligible ratio. 汽轮机主汽阀关闭过程动力学模型研究现代大型汽轮机强迫停机率统计中,由进汽阀包括自动主汽阀及调节阀引起的事故占有不可忽视的比例。
Steam Leakage Treatment on Inlet Adjoining Plant of Turbine HP Cylinder 汽轮机组高压缸进汽端结合面漏汽处理
In order to improve the stress distribution at steam inlet, the structure of the pipe heater was adjusted in the reform design, in which a fixture was set up at steam inlet. 改造设计中为了改善蒸汽进口处的应力状况,对原有管道化加热器的结构进行了调整,在蒸汽进口位置设立了固定点;
The flow and condensation heat transfer of supersonic steam jet immerged in subcool water was investigated experimentally. The inlet pressure of steam was at the range of 0.20-0.40 MPa and the temperature of subcool water was 27 ℃. 本文对压力为0.20-0.40MPa的蒸汽在27℃环境水中超音速浸没射流与凝结换热进行了实验研究。
The two operational modes were analyzed by the model controlled the steam inlet valve and the drain water valve based on the return water temperature. 对通过调节蒸汽进汽阀门来控制供水温度的现有运行方式和通过调节疏水阀门控制供水温度的新运行方式进行了仿真分析。
After comparison of technique with economy, and technical interchange with the fitting manufacturer, it is defined that the single nozzle for steam inlet is adopted and the Y shaped Tee is located on the piping. 经过技术经济比较,以及与管件制造技术交流后,确定采用单管进汽,在管道上布置Y形三通。
This paper presents a mathematical model for describing the variations of the condenser temperature and pressure with the exhaust steam heat load, frontal air speed and the inlet air temperature of an air-cooled condenser based on a theoretical analysis. 通过理论分析,建立了空冷凝汽器温度和压力随汽轮机排汽热负荷、凝汽器迎风面风速以及进口空气温度变化的理论模型。
Causes for Lower Secondary Steam Temperature and Air Preheater Inlet Smoke Temperature of First Chinese-made 600 MW Boiler 国产首台600MW锅炉二次汽温和空气预热器入口烟温偏低的原因分析和采取的对策
Inverse dynamics model is applied to the superheated steam temperature control, controlling the steam temperature with disturbances of load, flue gas flow and temperature, steam temperature of the inlet and setting value. 将逆动力学模型应用到汽温对象中,设计了基于逆动力学模型的控制系统,对过热汽温在负荷、烟气量、蒸汽入口温度和给定值变化等情况下控制效果进行仿真试验。
Exhaust temperature is as the main controlled variable to regulate the steam valve opening coarsely; inlet air temperature is as the deputy variable to regulate the steam valve opening subtly, for fine-tuning of the steam valve opening. 其中以排风温度为主被控变量,进行蒸汽阀门开度粗调;进风温度为副被控变量,进行蒸汽阀门开度的辅助微调。
The former includes the response characteristics of steam and boiler heat storage properties, the latter including superheater/ reheater out, between the inlet temperature characteristic model. 前者包括蒸汽响应特性和锅炉蓄热特性,后者包括过热器/再热器出、入口温度之间的特性模型。
Structural design section, this article discusses the structural design of the thermal compensation allows the calculation of the span within the pipe bearing between the transformation between the two adjacent steam inlet of heat exchanger design and finite element analysis of block board. 结构设计章节,本文论述了热补偿结构设计、内管管承之间允许跨距的计算、换热器两相邻蒸汽进口间的改造设计和堵板有限元分析。