Automated boiler wall cleaning and inspection

2012 2nd International Conference on Applied Robotics for the Power Industry (CARPI) Pub Date : 2012-09-01 DOI:10.1109/CARPI.2012.6473368

W. Zesch, S. Honold, P. Roth, V. de Vries

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引用次数: 5

Abstract

Power plant boilers need to be cleaned and inspected on a regular basis. Boiler chambers can be up to 50m high requiring scaffolding for all works on the water walls. The scaffolding itself can take several weeks. To overcome the disadvantage of the time consuming scaffolding work an automated boiler wall crawler for wall cleaning and inspection is being developed by Alstom in collaboration with Alstom Inspection Robotics and Waterjet Technologies. The automated system will be able to drive up the water wall with the cleaning or inspection application integrated and no scaffolding will be required anymore. The cleaning application consists of a patented suspension cleaning technology where abrasive and water are mixed and pumped up to a defined pressure. The inspection will be done using latest ultrasonic technology to measure remaining wall thicknesses of the tubes. The deployment system consists of two magnetic track drives connected by a frame and two passive magnetic wheels. Laboratory tests have shown promising results. The system is able to drive up and down the water wall during the cleaning with the system running at around 100 bar.

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锅炉壁的自动清洗和检查

电厂锅炉需要定期进行清洗和检查。锅炉室可高达50米，水墙上的所有工作都需要脚手架。搭建脚手架本身可能需要几个星期的时间。为了克服耗时脚手架工作的缺点，阿尔斯通正在与阿尔斯通检测机器人和水射流技术合作开发一种用于墙壁清洁和检查的自动锅炉壁爬行器。自动化系统将能够将清洁或检查应用程序集成到水墙上，不再需要脚手架。清洁应用包括专利悬浮清洁技术，其中磨料和水混合并泵送到规定的压力。检查将使用最新的超声波技术来测量管道的剩余壁厚。该展开系统由两个由框架连接的磁履带驱动器和两个被动磁轮组成。实验室测试显示了令人鼓舞的结果。在清洗过程中，该系统能够在100巴左右的压力下驱动水壁上下移动。

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2012 2nd International Conference on Applied Robotics for the Power Industry (CARPI)

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