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The rust attachment of the hull is handed over to the 'machine gecko'

by:IMASS     2020-02-26
According to a report by Science and Technology Daily on the 26th, the rust-removing and wall-climbing robot developed by Professor Zhu Shiqiang of Zhejiang University was successfully delivered to Zhoushan Jinhai shipping company. This 'machine gecko' can remove the attachment of sea creatures on the hull, rust and paint, and recycle waste water without polluting the marine environment. Ocean-going ships need to regularly remove rust, waste paint and sea creatures attached to the ship deck. Traditional manual removal is a typical labor-intensive operation and has many disadvantages. As early as two years ago, Zhu Shiqiang's team began to study rust removal and wall climbing robots. Song Wei, the technical backbone of the team and the teacher of the Ocean College of Zhejiang University, told the reporter of Science and Technology Daily, the robot has successively broken through key technologies such as the design of single-sided strong adsorption permanent magnet components, the lightweight design of large-load wall-climbing robots, the spatial distribution optimization of ultra-high pressure water jet nozzles, and the recovery of curved surface adaptive vacuum wastewater. At present, the industrialized rust removal and wall climbing robot has a dead weight of 72 kg and a mounting capacity of more than 100 kg, and uses ultra-high pressure water jet of more than 200 MPa to remove rust (Paint). In meeting SA2. 5 under the requirements of derusting grade, the maximum operation efficiency of the robot is 81 square meters/hour and the average operation efficiency is 40 square meters/hour. In addition to ships, the robot can also be used for wall maintenance of petrochemical storage tanks.
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