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Industrial Boiler Inspection System

Industrial Boiler Inspection System

This is hibot’s new robotic system for inspection of industrial boilers.
Conventional boilers have one head drum, which is the starting point of several water pipes. Since those pipes are continuously exposed to high temperatures and hazardous gases on the outside, they must be inspected regularly. The most common cause of failure is corrosion, so it is important to monitor the thickness of all pipes.

More Detailed Information

UT sensor Inspection speed sup to 100mm/s
Inspection pitch from 5mm
Numbers of Channels 24
Resolution of circumferential direction 15
Maximum inspection distance 40m
Header Internal diameter of header 179.9mm ~ 185mm
Internal diameter of pipe for robot entrance min. 102.3mm (*1)
Pipe length for robot entrance up to 400mm
Distance between robot entrance and water pipe 125mm ~ 2320mm
Water pipe Internal diameter of water pipe 50mm~ 68.2mm(*2, *3)
Acceptable bends from 1D R45
Length up to 45m
Environment Power supply AC 100V/240V
Others Header and water tube must be filled with pure water.
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Boiler Water Pipe Inspection Robots
of Three Main Modules

  • The Sensor Module

    which is inserted in each pipe and scans the entire surface of the pipe from the inside, making use of a 24-channel UT sensor.

  • Reel Module

    which is inserted in each pipe and scans the entire surface of the pipe from the inside.

  • Sensor Module

    used to control the tether of the sensor and maintain its speed and tension.

With the robotic boiler inspection system, the pipes can be scanned continuously from inside. The result of the inspection is a 2D map of the pipe indicating the wall thickness by color. Areas where the wall thickness falls under pre-defined limits are clearly visible, making repair works much more efficient and faster.

Verification Results

In addition, since there is no need to cut pipes or to approach pipes from outside, the time needed for preparation is greatly reduced. The use of scaffolding can be reduced or even eliminated in some cases, helping to slash costs and downtime.

The robotic boiler inspection system is fully compatible with HiBox, and benefits from its data management and processing modules. With HiBox, data processing and report generation happen on the site, providing invaluable information for asset managers. Furthermore, by comparing data from previous inspections, it becomes possible to predict where the pipes may require maintenance in the future.
Smart societies require smart solutions to inspect and maintain their infrastructure. The robotic boiler inspection system is hibot’s contribution to keep boilers healthy and running!

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