It could soon be unnecessary to excavate and replace sections of natural gas pipelines affected by leaks, thanks to an innovative inspection and repair robot developed by experts at Carnegie Mellon University.
This modular device, led by Professor Howie Choset and researcher Lu Li, promises a less invasive and cheaper solution to this problem.
Resin application: the “secret” of the inspection robot
This robot moves through the pipes with the help of a system of six motorized wheels that press against the internal walls to move efficiently through the system. It uses an umbilical cable that not only transmits real-time video to equipment on the surface, but also receives commands for its operation.
The main functionality of this inspection robot lies in its repair module, which includes a rotating nozzle that applies a special quick-drying resin to seal cracks and other detected imperfections. This detection is performed using an advanced mapping module that uses optical and laser technologies to create detailed 3D images of the inside of the pipe .
Additionally, the robot is equipped with a battery module and has the ability to perform other repairs, such as soldering leaky joints . Currently, it can inspect up to 14.5 km of 12-inch diameter pipes in 8 hours or apply resin on a stretch of up to 3 km in the same period.
Moment when the robot applies the resin into the pipe. Source: Newatlas.
With an umbilical range of 61 meters, which researchers hope to extend up to 2 km, this robot is also in the process of being adapted for smaller diameter pipes. The US Department of Energy, which is funding the project, believes that using this robot for internal repairs could be up to 20 times cheaper than traditional excavation methods .
Progress in the repair of gas infrastructure
The development of this robot represents a breakthrough in the repair of gas infrastructure and also illustrates the growing role of automation in the energy industry. The ability to perform internal repairs accurately and efficiently without disruptive interventions can significantly transform the management and maintenance of critical infrastructure.
As this technology evolves, it could see its application in other types of pipes and conduit systems, further increasing its value and applicability in various industries.
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Source and photo: newatlas.com
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