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The hearth is a structural area of
a blast furnace, generally referring to the furnace body between the
centerline of the first row of tuyeres and the furnace bottom. During
the smelting process of the blast furnace, molten iron flows into the
front furnace through the hearth and bridge. On site drawing of the inner wall of a large furnace heart
Practical problems
The inner wall of the furnace hearth is arc-shaped and has a large
area. The on-site environment is relatively complex, and traditional
measurement methods cannot perform complete scanning and splicing. The
customer requires high precision in size detection of key parts in order
to obtain accurate error values for key parts. On site scanning image of the inner wall of a large furnace heart
solution
According to the problem faced: using a handheld 3D scanner B71, in complex and ever-changing work sites, it is easy to take and measure, simple and convenient to use. The scanning speed of 30 laser scanning lines is fast, and the data accuracy is high. A wide range mode can be used to comprehensively scan the inner wall of the furnace to obtain high-precision scanning data. Import the obtained data into the 3D inspection software and compare it with the original digital analog, quickly generate inspection reports, and the running status is clear at a glance, successfully solving customer problems.