China New Network Nanjing on November 25 (Xu Shanshan) IN suzhou Thermal Engineering Research Institute Co., LTD., a winding pipe, the inside of the pipe has been rusted. A robot, under the engineer's remote control, moves smoothly through the pipe, leaving the wall entirely new. The project "development and application of pipeline and storage tank anti-corrosion robot" has been awarded the first prize of science and technology progress by the China Industrial Anti-corrosion Technology Association, the association's science and Technology Award office confirmed Thursday.
According to Sun Yongliang, a senior engineer at the Power Station Life Management Technology Center of the China Thermal Engineering Research Institute and one of the main designers of the robot, anti-corrosion of pipe walls has long been a challenge for the power industry. At present, the way commonly used in the industry is that the construction personnel enter the pipeline construction. It is difficult to put to good use in the narrow pipeline, but also accompanied by dust and organic solvent inhalation, asphyxia, grinding and other risks, the working environment is hot and dark, once the danger is difficult to get effective assistance in the first time.
"In our communication with foreign counterparts, we learned that they have a device for cleaning pipes. "After studying the situation in China, I found that there is still room for improvement in this area." Sun Yongliang said. In early 2019, a joint team composed of the Thermal Engineering Research Institute and the Daya Bay Nuclear Power Plant officially started research and development work, and in November 2020 completed a pipeline anticorrosion robot that can replace human beings. The designers nicknamed it Mario, after the little man who drills pipes in nintendo games.
Demo site, see the crab like "Mario" with a few "legs" firmly support the tube wall, flexible forward, backward, turn. Through the replacement of rust removal module, slag discharge module and spraying module, the robot can freely switch between several functions, a "human" to handle the whole process of pipeline inner wall anticorrosion operation, more versatile than foreign similar machinery. The efficiency can be improved more than one to two times compared with manual.
Sun Yongliang recalled, in the design, because of the pipe diameter manufacturing error is not expected to be enough, has led to "Mario" too "fat" can not drill into the pipe; Failed to fully consider the actual operation of the pipe length, resulting in "Mario" water spray "internal force" insufficient. In order to solve the problem, we worked day and night, testing, discussing and improving the robot, often busy until nine or ten o 'clock at night before finishing work.
The "Mario" has entered the actual combat stage, and has been used in related power plants in May and October this year. Sun yongliang said that the anti-corrosion robot is just starting at present, and it still needs to be continuously optimized and improved in all aspects of equipment structure, function and automatic process, so as to adapt to more application scenarios and make Mario go through customs more smoothly. (after)
Editor in charge: Qiu Hao
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