Device and method for real-time detection of magnetite content in iron ore belt conveying process

By combining magnetic field combing and Hall effect sensors during the transport of iron ore on conveyor belts, the problem of insufficient representativeness in the detection of magnetic iron ore content was solved, achieving real-time and non-destructive detection.

CN117842632BActive Publication Date: 2026-07-24UNIV OF SCI & TECH BEIJING
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Patent Information

Application Number
CN202410185176.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-02-19
Publication Date
2026-07-24
Estimated Expiration
2044-02-19

AI Technical Summary

Technical Problem

Current methods for detecting magnetic iron ore content in iron ore can only detect the surface, resulting in insufficient representativeness of the results and long detection cycles, making real-time detection impossible.

Method used

The magnetic field combing component and magnetic field detection component are combined with a Hall sensor to enhance the magnetic induction intensity of the material pile through magnetic field combing, and to realize the real-time detection of magnetic iron ore content by utilizing the Hall effect principle and machine learning algorithm.

Benefits of technology

It enables non-contact, non-destructive, and real-time detection of magnetic iron ore content in iron ore piles, improving the representativeness and real-time performance of the detection and meeting the real-time data acquisition needs of the production process.

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Abstract

The application provides a device for instant detection of magnetite content in the process of iron ore rubber belt transportation, which comprises a rubber belt transportation component, a magnetic field carding component arranged below the rubber belt transportation component, a magnetic field detection component arranged above the rubber belt transportation component, and a computer processing unit connected with the magnetic field detection component. The rubber belt transportation component comprises a transportation rubber belt for transporting iron ore piles in the production process. The magnetic field carding component is used for carding the magnetic field of the iron ore piles, unifying the magnetic field direction of the magnetic iron ore in the iron ore piles, and enhancing the magnetic induction intensity of the iron ore piles. The magnetic field detection component is used for detecting the magnetic induction intensity of the iron ore piles. The computer processing unit calculates the content of the magnetic iron ore in the iron ore piles by using the correlation between the magnetic induction intensity of the iron ore piles and the content of the magnetic iron ore. The application can realize instant detection of the content of the magnetic iron ore in the iron ore piles on the transportation rubber belt without contact and damage.
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