求有关锅炉封头压模设计的中英文翻译，毕业设计用

【专家解说】：1) end for boiler 锅炉封头 1.An automatic arc welding machine for intersection-line seam of end for boiler was designd and its structure, components,charicteristic and working principle are discribed in this paper. 介绍了用于锅炉封头接管相贯线接缝自动焊机的结构、组成和工作原理,及主要特点,给出了该焊机用来控制焊枪运动轨迹的关键部件凸轮的形状与尺寸的计算公式。2) boiler 锅炉 1.The contact pattern of boiler auxiliary machinery was modified with the adoption of layer-by-layer coal charging technology,realizing secondary dedusting,improving the heat efficiency and reliability of boiler. 采用分层给煤技术,改造锅炉辅机连接方式,实现二次除尘,提高锅炉热效率和可靠性。 2.based on analysis of the causes of high fume extraction temperatures for boilers,the measures such as rectification and reform of equipment defects,adjustment of fuel burning mode and alteration of quality of burning medium were taken to reduce fume extraction temperatures in boiler ends,with the view of lifting the boilers' heat efficiency. 分析锅炉排烟温度高的原因,通过整改设备缺陷、调整燃料燃烧方式、改变燃烧介质等处理措施,降低锅炉尾部排烟温度,提高锅炉热效率。 3.The function of construction design of boiler installation,relevant examination principle,examination contents and notices are stated briefly. 简述锅炉安装工程施工组织设计的作用、审查原则、审查内容及审查注意事项。3) boilers 锅炉 1.This paper introduced the methods of non-destructive inspection of boilers,which including radiographic and ultrasonic examination,and the methods to choose the technological parameters of non-destructive inspection are mainly introduced. 介绍了锅炉焊缝无损探伤的常用方法,包括射线照像法和超声波探测法,重点介绍了其主要工艺参数的选择方法。 2.A few devices of wet dust removal and desulfurization suitable for middle- and small-sized boilers are introduced. 介绍了几种适合中小型锅炉的湿法除尘脱硫装置,并对其优缺点做了比较,为企业改造锅炉除尘脱硫装置时提供参考。 3.In accordance with application state of coal fired boilers of middle and small tonnage in heat and power plants, combining with the burning mechanism of solid coal, and based on detailed analysis of working principle and reflection property of common boilers, the paper presents the theory with steam to promote burning, reduce pollution and economize energy. 针对小型火力热电厂中小吨位燃煤锅炉应用现状 ,结合固体燃煤燃烧的机理 ,在详细分析常见锅炉工作原理和燃烧反应特性的基础上 ,提出了用水蒸气促燃降污节能的理论 ,水蒸气介入后促燃化学模型和物理模型的建立 ,证明了这一理论的可行4) utility boiler 锅炉 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．该预测方法很好地建立了燃煤电站锅炉飞灰含碳量特性与运行参数之间的复杂关系模型,并考虑到运行参数之间的耦合性,具有预测能力强、全局最优及泛化性好等优点．将该方法应用于某300 MW燃煤电站锅炉中,经过训练后的SVM模型对检验样本飞灰含碳量进行预测,均方根误差和平均相对误差分别为1．39%和1．30%,相当于BP网络模型的22．20%和21．07%．应用结果表明,支持向量机方法优于多层BP神经网络法,能很好地满足预测要求 2.With the help of orthogonal experiment theory,carbon content in fly ash of a 670t/h utility boiler was experimentally investigated. 对煤粉炉中影响飞灰含碳量的主要因素进行分析,并根据正交实验原理,对某台670t/h的燃煤锅炉飞灰含碳特性进行多工况热态实验,采用基于LM(Levenberg-Marquardt)算法的BP神经网络建立了锅炉飞灰含碳量的神经网络预测模型,实验验证结果表明该算法不仅收敛速度快,而且模型能根据各种操作参数准确地预报锅炉在不同工况下飞灰含碳量。 3.This paper approaches the adaptability problem of coal rank for large size utility boiler from the fuel coal characteristies,e-quipment configuration and operating conditions the three aspects and seeks after the optimum coupling of boiler type and coal property through coal-batching and blended-coal firing as well as adjusting and testing. 从燃煤特性、设备结构和运行条件三方面,探讨了大型锅炉煤种适应性问题,并通过配煤掺烧调整试验,寻求炉型与煤种的最佳耦合。5) pulverized coal-fired boiler 煤粉锅炉 1.Reconstruction causes of burner for WGZ220-100/13 pulverized coal-fired boiler of the power plant of Benxi Iron & Steel Co are presented. 介绍了本钢发电厂WGZ220-100/13型煤粉锅炉燃烧器改造的原因,以及少气煤粉燃烧器的设计依据和工程应用效果,解决了锅炉点火升压问题。 2.In the light of various problems existing in a 150 t/h pulverized coal-fired boiler,such as high-temperature corrosion,slagging,low thermal efficiency and inferior combustion stability at low loads when no oil is used for combustion support etc. 针对150t/h煤粉动力锅炉存在的高温腐蚀、结焦、热效率低及无油助燃低负荷稳燃能力差等问题,利用膜法富氧技术,首次开发了局部富氧助燃技术,设计了膜法富氧局部助燃系统,进行了局部增氧助燃技术应用于煤粉锅炉的工业试验。 3.Plasma ignition devices are used in the pulverized coal-fired boilers of No. 国华台山发电厂3,4,5号600MW燃煤机组煤粉锅炉中应用了等离子点火装置