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With the over-exploitation of mineral resources on land, mineral resources are scarce, so people have set their sights on the deep sea, which is rich in mineral resources. This paper establishes a two-dimensional model for the transportation process of granular ore in the pipeline during the lifting process of deep-sea mining pipelines. Using the method of electrical resistance tomography, the empirical formula of the solid phase content of granular ore in solid-liquid two-phase flow is obtained by analyzing the characteristic voltage. Different models are constructed under this working condition, and their results are compared with those obtained by the empirical formula, which proves the feasibility of this method and provides a technical reference for pipeline lifting in deep-sea mining.

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Analysis of Ore Particle Phase Content in Deep Sea Mining Pipeline Riser Using ERT Technology

  • 会议论文

  • 发表日期：

    2025年

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  • Wenbin Ma,
  • Bo Zhou,
  • Yuwen Chen,
  • Yongqi Ma,
  • Yijun Shen

摘要

With the over-exploitation of mineral resources on land, mineral resources are scarce, so people have set their sights on the deep sea, which is rich in mineral resources. This paper establishes a two-dimensional model for the transportation process of granular ore in the pipeline during the lifting process of deep-sea mining pipelines. Using the method of electrical resistance tomography, the empirical formula of the solid phase content of granular ore in solid-liquid two-phase flow is obtained by analyzing the characteristic voltage. Different models are constructed under this working condition, and their results are compared with those obtained by the empirical formula, which proves the feasibility of this method and provides a technical reference for pipeline lifting in deep-sea mining.