机组

It has brought breakthrough to cleaning energy, electric grid construction, etc, constructed the first 100 thousand KW circulation fluidized bed exemplary power station in Asia, the largest 300 thousand KW circulation fluidized bed exemplary power station in Asia, the most advanced and modernized urban garbage burning power generation station in the West China, the largest 500KV transformer substation and 220KV wire project in Sichuan and the domestically advanced large-scale electrolyze aluminum project, and participated in the construction works in installation, debugging and technical support of Iraq, India, etc.

并在洁净能源、电网建设等领域实现突破：承建了亚洲首台10万千瓦循环流化床示范电站、亚洲目前最大30万千瓦循环流化床示范电站，四川首台60万千瓦火电机组、西部最先进、最现代化的城市生活垃圾焚烧发电站、四川最大容量500KV变电站及220KV线路工程，还承建了国内先进的大型电解铝工程。

Boiler water in traditional boiler generally revises and handles with phosphate,but this way easily appears disappearance of phosphate,low PH value,equipment encrustment,corrosion below sinter,bad steam quality and so on,affects seriouly safe operation of the unit.

传统锅炉内炉水一般用磷酸盐进行校正处理，但该方式容易出现磷酸盐消失、炉水PH值偏低、设备结垢、垢下腐蚀、蒸汽品质不好等问题，严重影响到机组安全运行。

Building refuse power plants is an effective method to solve environm ental problems of cities.

摘 要：垃圾电厂对解决城市环保问题具有重要的意义，但是，建设垃圾电厂存在一些问题，为此，探讨和分析兴建垃圾电厂的原则：垃圾电厂厂址的选择必须满足国家环境保护标准的要求；设备选型必须安全可靠、经济适用；机组主设备尽量国产化，可降低工程造价；垃圾电厂的营运必须加强在线监测，实现污染物达标排放。

This paper found the structure of hydraulic excavators condition monitoring and failure diagnosis system at first.That is a system composed of hypogynous SCM realizing on-line condition monitoring and epigynous PC realizing off-line failure diagnosis.Then the function and testing principle of hypogynous system is analyzed.The design of system hardware circuit and software formality are introduced.

本文首先构建了液压挖掘机状态监测与故障诊断系统结构，即由实现在线状态监测功能的下位单片机和实现离线故障诊断功能的上位PC机组成的系统；然后确定了下位机系统的功能，分析了测试原理，设计了硬件电路和软件程序。

Directed toward 2×200MW unit DCS system epigynous station of Handan cogeneration plant, which upgrades function and improves technologically perfectly, the paper studies and discusses countermeasure and scheme which carry on to improve and perfect technology to the question existing in original DCS systems.

本文针对邯郸热电厂2×200MW 机组DCS 系统上位站功能升级和技术改进完善，研究探讨了如何对现有DCS 系统中存在的问题进行技术改进完善的对策和方案。

A Ethernet control system is formed between IPC and PLC in order to improve the reliability and the extendibility.

文中介绍了300MW机组循环水联合处理控制系统的设计方案，同时给出了系统配置和实现的控制功能。

The influence of the linearization of rectifier external characteristic on the short-circuit current calculation is specially analyzed,because the exter.

给出了短路电流计算的数学模型，并利用可视化语言CVI完成了短路电流仿真计算；分析了整流机组外特性线性化对短路电流计算的影响。

Pollution discharge pump, adopting special big channel impeller structure, greatly increases feculency discharging ability, and effectively make solid particle with diameter being 50% of pump outlet diameter; the type 4 can be fitted with various protective devices according to customer's requests, including stator winding temperature-rise protection, bearing temperature rise protection, oil container leakage protection, etc to enhance the exploitation reliability; adopting inner flowing recycling system to use medium cooling electric machine section to make usage more safe.

排污泵采用了独特的大通道叶轮结构，大大提高了污物通过能力，能有效的通过直径为泵口径约50％的固体颗粒；本泵型4可根据用户的要求安装各种保护装置，包括：定子绕组温升保护、轴承温升保护、油室漏油保护等以提高电泵的使用安全性；可采用内自流循环系统，利用介质冷却电机部分，使用更加安全，同时，还可以利用此结构将电泵以干式固定形式安装；采用最新材料精制而成的机械密封，其使用寿命可达8000小时以上；可采用双导轨自动耦合安装装置，使机组的安装、维修方便、快捷；可根据用户的需要配备各种形式的排污泵专用控制柜以实现自动化管理。

This text explains the advantages, designing and calculating methods of the finned oval pipe heat exchanger in detail.

这种翅片椭圆管簇换热器型的新风机组是具有广阔应用前景的新型换代产品。

The F-7 is the Mig-21 Fishbed built under Chinese licensed manufacture, and the PAF acquired 55 of the latest F-7PG medium technology variants from 2002 to keep its aircrew current pending the introduction of more capable platforms and weapon systems.

歼7是米格-21鱼窝建成中国牌制造和paf后天55号的最新歼7pg科技型变种，从2002年将其机组人员目前尚待引进更有能力的平台和武器系统。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。