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Steam drum water lever 汽包水位
Application of EJA Smart Differ-pressure Transmitter in Measuring Steam Drum Water Level of Boiler EJA智能差压变送器在汽包水位测量中的应用
Discussion on cascade stage three-impulisive adjustment of the boiler's steam drum water level in the power station 论电站锅炉汽包水位的串级三冲量调节
Keywords PLC HMI steam drum water level three-impulse control frequency control; 汽包水位;三冲量控制;变频调速;
steam drum water level 汽包水位
Boiler steam drum water level 锅炉汽包水位
Steam drum water levd 汽包水位
In this article, the causes of the fluctuation of the water level of steam drum and its adjustment were analyzed. 摘要分析汽包水位波动的原因后，提出了几种对汽包水位进行合理调节的技术方法。
Part of the wall in the cold water is heated in boiling water into steam after vaporization, the saturated steam from the steam drum into the upper part of the outflow in the superheater. 部分水在冷壁中被加热沸腾后汽化成水蒸汽，这些饱和蒸汽由汽包上部流出进入过热器中。
The tidal bore is the front of flood tide as the water lever rises suddenly, it is the result of nonlinear-formed tidal wave under some conditions. 涌潮是水位骤然上升的涨潮波前峰，是一定条件下潮波非线性畸变的结果。
NCPG - North China Power Group WORK PERFORMED: Condition and life assessment of a steam drum and high temperature tubes and header, Beijing, CHINA. NCPG-华北电力集团所做工作:在中国河北北京,进行对汽包鼓以及高温管道、联箱集管的状态状况及寿命评估。
The prevention and suggestion is brought up, it is important for a good drain system for preventing soil secondary salinization, it can lowerer the underground water lever and ejecter the soil salt in order to adapt to douche and drain. 为了防止土壤次生盐渍化，良好的排水系统是非常重要的，它可以降低地下水位和排出土壤盐分，做到灌排配套。
Key words: S7-400PLC local station,ET200 remote I/O station,the computer control system of coke oven gas power plant, the steam drum liquid level adjust control. 关键词：S7-400PLC本地站ET200远程I/O站焦炉煤气电站计算机控制系统汽包液位调节控制。
GSM wireless communication water lever and flux recorder is applied to collect data about the pressure and flux of water, working status and alarm messages and send messages to the monitor and management center in SMS mode. GSM无线通信水位/量监测记录仪主要采集现场的水的压力、量等数据以及工作状态和报警信息，并通过SMS方式将信息上传到监测管理中心站。
The product adopts the infalling through system on the structure of boiler pipe line, if equips safely valve an will stop working automatically in case hyperthermal, super-pressure and low water lever. 采用水管贯流式炉胆结构,并配备安全阀,温度过热,水位过低,压力过高等四重保护,绝对安全可靠。
water level of boiler steam drum 汽包水位
The product adopts the infalling through system on the structure of boiler pipe line,if equips safely valve an will stop working automatically in case hyperthermal,super-pressure and low water lever. 安全采用水管贯流式炉胆结构，并配备安全阀，温度过热，水位过低，压力过高等四重保护，绝对安全可靠。
Based on the analysis on the relation between river and lake,the character of water lever and wetland ecology of Poyang Lake are studied.The measures of protecting the wetland ecology are given. 从分析江湖关系入手,研究鄱阳湖的水位及湿地生态特征,并提出人工控湖等加强湿地生态保护的对策建议。
The error measuring drum water level with ordinary differential pressure gauges, which mainly relies on reference water column s correctness, is big and uncertain. 普通差压水位计测量汽包水位主要问题在于参比水柱的不确定性,它是影响汽包水位测量误差的主要因素。
The superheated steam temperature is the maximum temperature in steam drum boiler of thermal power plant, it has the significant influence regarding the power plant security economy movement. 摘要火电厂汽包锅炉出口的过热蒸汽温度是整个汽水行程中工质的最高温度，对于电厂的安全经济运行有着重大影响。