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1)  carbon content of fly ash
飞灰含碳量
1.
Meanwhile, the on-line monitoring of carbon content of fly ash may be realized, the optimization adjustment of combustion may be carried out in time, with the operation economics of unit improved.
介绍了烧失法在线飞灰测碳装置系统的结构、测量原理,该装置解决了采用微波技术的飞灰测碳装置受煤质变化影响较大的问题,同时也可以实现在线飞灰含碳量的监测,可及时进行燃烧优化调整,提高了机组运行的经济性。
2.
The major factors influencing the carbon content of fly ash are: coal index,coal structure and coke reaction activity,fed-coal particle diameter and structure of the circulating fluidized bed as well as other operational parameters etc.
循环流化床燃烧技术因其众多的优点得到广泛应用,但是在运行中普遍存在着飞灰含碳量远远高于预期的问题。
3.
23, 24 boiler were putted into operation, the system influence on the carbon content of fly ash, output of boiler, temperature of bed are analyzed, some methods that improve the equipment and steady operation are as well as proposed.
以河北华电石家庄热电有限公司八期23、24号炉飞灰再循环系统投入后的运行数据为依据,从运行角度分析了飞灰再循环系统投入对锅炉飞灰含碳量、循环物料量、锅炉出力、床温等参数的影响,并提出了一些改进设备、提高系统稳定运行的方法。
2)  carbon content in fly ash
飞灰含碳量
1.
Analysis of high carbon content in fly ash and optimization in 300MW power plant;
300MW电站锅炉飞灰含碳量过高的分析及优化
2.
Cause analysis of the large carbon content in fly ash of 440 t/h CFB boiler in Lianzhou Power Plant;
连州发电厂440t/h循环流化床锅炉飞灰含碳量偏大原因分析
3.
Carbon content in fly ash is an important index reflecting burning efficiency of coal-fired boiler in power plant,real time measurement of the carbon content in fly ash helps to adjust air-coal ratio accurately and improve the control level of burning.
锅炉飞灰含碳量是反映火力发电厂燃煤锅炉燃烧效率的一项重要指标,实时检测飞灰含碳量将有利于指导运行正确调整风煤比,提高锅炉燃烧控制水平;合理控制飞灰含碳量的指标,有利于降低发电成本,提高机组运行的经济性。
3)  unburned carbon content
飞灰含碳量
1.
A new algorithm for forecasting the unburned carbon content in the fly ash from coal-fired utility boilers based on the support vector machine (SVM) method is presented.
将支持向量机方法引入燃煤电站锅炉飞灰含碳量预测领域。
2.
Unburned carbon content in the fly ash is a main factor that has great impacts on the boiler efficiency.
飞灰含碳量是影响锅炉热效率的一个重要因素,影响燃煤锅炉飞灰含碳量的因素多而且复杂,对锅炉飞灰含碳量特性进行建模预测并结合优化算法实现燃烧优化是降低锅炉飞灰含碳量的有效方法。
4)  fly ash carbon content
飞灰含碳量
1.
The model has a definite practical engineering value for the online measurement of fly ash carbon content.
模型对于在线测量飞灰含碳量有一定的工程实用
5)  unburned carbon
飞灰含碳量
1.
Soft-sensing modeling of the unburned carbon in fly ash based on KPCA-SVM for power station boilers;
基于核主元分析和支持向量机的电站锅炉飞灰含碳量软测量建模
2.
On some variables(such as NO_x emission,unburned carbon in fly ash,radiant energy and 3-D temperature distribution in the furnace est.
在一台采用三维温度场可视化监控系统的300 MW锅炉上进行了NOx排放规律的试验研究,得到锅炉负荷、过量空气系数、燃烧器摆角、燃尽风量、二次风配风方式和层间燃料分配等与NOx排放、飞灰含碳量、炉膛总辐射能及炉内三维温度分布的关系。
3.
The unburned carbon content in the fly ash of a 200 MW unit coal burning boiler at Fuxin Power Plant is tested and data specimens have been gained.
针对阜新电厂200 MW机组燃煤锅炉进行了多工况热态测试,获得了飞灰含碳量的现场数据样本,运用Back Propagation(BP)神经网络和Levenberg-Marquardt(LM)算法建立了电站锅炉飞灰含碳量的软测量模型,并构造了飞灰含碳量的测量系统。
6)  Unburned carbon content in fly ash
飞灰含碳量
1.
Decreasing unburned carbon content in fly ash is important to improve the combustion economization of the boiler,but it is difficult to measure online.
降低飞灰含碳量对火力发电厂提高锅炉燃烧经济性具有重要意义,而飞灰含碳量难以在线测量。
2.
Through summarizing the study of coal combustion,one dimension unburned carbon content in fly ash forecast model is established in which combustion and heat transfer are combined.
通过总结前人对煤粉燃烧的研究,建立了一个将炉内燃烧和传热相耦合的飞灰含碳量一维预测模型。
3.
But unburned carbon content in fly ash is difficult to measure online.
实现锅炉热效率实时计算对优化锅炉燃烧经济性具有重要意义,其难点在于飞灰含碳量的在线测量,目前广泛采用微波飞灰测碳仪进行在线监测。
补充资料:含不饱和碳碳键聚合物
分子式:
CAS号:

性质:含不饱和碳碳键的功能聚合物主要有三种类型,第一种为聚合物中不饱和键相互共轭,构成线性共轭聚合物,包括聚乙炔型、聚芳杂环和聚苯衍生物。这类聚合物多具有电子导电和光导电特性,经掺杂处理后导电率可以达到半导体,甚至金属导体范围。是重要的导电聚合物。第二种为不饱和键表现为多核芳香烃,或者多核杂环等共轭结构,而各共轭结构相互之间相对独立,处在饱和聚合物的侧链上。这种聚合物多表现出一定光导特性,如聚乙烯基咔唑,是重要的高分子光导材料。第三种为不饱和键在聚合物中孤立存在,如含有肉桂酸酯的聚合物,这种聚合物在紫外光照射下能够发生交联反应,是潜在的负性光刻胶,可以用于印刷制版和集成电路生产。碳碳双键中的π电子还具有配位能力,与过渡金属离子构成类似二茂铁型络合物。

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