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首页> 外文会议>International Conference on Life Management and Life Extension of Power Plant May 18-20, 2000, Xi'An, China >Lifetime analysis as a tool for strategic planning of investments in power boilers in Sweden
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Lifetime analysis as a tool for strategic planning of investments in power boilers in Sweden

机译：终身分析作为瑞典电力锅炉投资战略规划的工具

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Many power plants in Sweden have reached and even exceeded their designed lifetime of critical components as boilers and turbines. Energy companies in Sweden suffer from effective tools for selection of the right and most successful investments in order to be cost-effective in their Power Plants. The fact that they might also have various energy sources (i.e. nuclear and water energy) to chose between doesn't makes things easier. This paper presents results from a pilot test of a life time analysis of a steam boiler in Haesselby energy plant located outside Stockholm, Sweden. The project is a part of an ongoing program (1) financed by Thermal engineering Research Institute (Vaermeforsk) in Stockholm, Sweden. The aim of this program is to compile a handbook for Lifetime analysis of power boilers. The lifetime analysis includes economical and other risks for the components involved. The result of the analysis is included in a model for selection of the right time for an investment and also how to rank different investments. One method that has been used and tested is referred to as Failure Mode and Effect Analysis (FMEA) and is described by Carina Fritz (2) and Henrik Bjurstroem (3). FMEA has been used for selection of critical components in the boiler and for the most important factors, which influence a lifetime analysis, and the aging management of the boiler. The result of the analysis is then included in the model and results in a risk table where the investments could be ranked in accordance with their risk with respect to personal-, economical and environmental risk The mechanical components in the furnace, the superheater, the economizer, the flue-gas channels and the main steam line have been included in the analysis. Data from the turbine, mills and external boiler equipment are not included in the study. Electrical- and control components are also excluded. The work has been carried out as a close collaboration between material specialists and operation staff from the plant and the work has been very successful. Interesting results have been achieved through this collaboration and it has been possible to include elements in the analysis such as personnel hazards and environment impacts from failures. The paper presents the concluded recommendations to be drawn from this analysis.
机译：瑞典的许多发电厂已经达到甚至超过了关键组件（如锅炉和涡轮机）的设计寿命。瑞典的能源公司在选择合适且最成功的投资以使其电厂具有成本效益方面遇到了有效的工具。他们可能还会选择各种能源（即核能和水能），这一事实并没有使事情变得容易。本文介绍了位于瑞典斯德哥尔摩郊外的Haesselby能源工厂的蒸汽锅炉寿命分析的中试测试结果。该项目是瑞典斯德哥尔摩热工程研究所（Vaermeforsk）资助的正在进行的计划（1）的一部分。该程序的目的是为电力锅炉的寿命分析编写一本手册。寿命分析包括所涉及组件的经济风险和其他风险。分析结果包含在一个模型中，用于选择合适的投资时间以及如何对不同的投资进行排名。一种已经使用和测试的方法称为失效模式和效果分析（FMEA），由Carina Fritz（2）和Henrik Bjurstroem（3）描述。 FMEA已用于选择锅炉中的关键组件以及影响寿命分析和锅炉老化管理的最重要因素。然后将分析结果包含在模型中，并生成一个风险表，在该表中，可以根据投资相对于个人，经济和环境风险的风险来对投资进行排名。熔炉，过热器，节能器中的机械组件，烟气通道和主蒸汽管线已包括在分析中。该研究不包括来自涡轮机，工厂和外部锅炉设备的数据。电气和控制组件也被排除在外。这项工作是在工厂的材料专家和操作人员之间紧密合作下进行的，并且工作非常成功。通过这种合作已经获得了有趣的结果，并且有可能在分析中包含一些要素，例如人员危害和故障造成的环境影响。本文提出了可以从该分析中得出的结论性建议。

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