With the rapid development of the national economy, the number of storage tanks continues to increase, and has become a major basic key equipment for oil and gas resources and chemical material storage. At the same time, storage tanks are also developing towards larger sizes, which puts forward higher requirements for tank volume measurement in storage and transportation projects. At present, commonly used measurement methods at home and abroad include the girth method, the optical reference line method, the optical measurement method with guide rails, and the three-dimensional laser scanning measurement method. Station scanner, this kind of instrument has the advantages of high precision, high density, and long distance measurement, but it also has problems such as low efficiency, frequent station changes, and large amount of splicing in the office.
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