Dissertation > Excellent graduate degree dissertation topics show

Eddy current testing of scrap copper material sorting technology research based on

Author: WangDi
Tutor: MaXiuShui
School: Taiyuan University of Science and Technology
Course: Detection Technology and Automation
Keywords: eddy current testing scrap copper separation ANSYS finiteelement simulation electrical conductivity equivalent impedance
CLC: TP274.5
Type: Master's thesis
Year: 2014
Downloads: 1
Quote: 0
Read: Download Dissertation

Abstract


China is a high copper consumption country and also a country with aserious shortage of copper mineral resources. Regenerating and utilizing scrapcopper is an important way to relieve the contradiction of supply and demand ofcopper resources in China, but in order to achieve high quality scrap copperrecycling, we must solve the problem of scrap copper separation. There isimportant significance to research the scrap copper separation technology basedon eddy current testing.At present, there are two types of scrap copper in China. One is bulk scrapcopper like water tank and so on, the other is a kind of scrap copper withcomplex shape and requiring crushing into pieces. This paper is aimed atexploring the separation technology of bulk scrap copper like water tank.First, establish the mathematical model of the relationship between theelectrical conductivity of metals and the equivalent impedance of the eddycurrent sensor coil based on the theory of eddy current testing, model andsimulate the testing process of scrap copper by using ANSYS electromagneticfinite element simulation software, compare and analyze the simulation resultswith three situations that the surfaces of scrap copper are smooth, plating orconcave-convex from three aspects such as distribution of magnetic field lines,magnetic induction intensity of scrap copper and equivalent impedance of sensorcoil.Second, based on MCU PIC16F877A, the hardware and software of scrapcopper detection and separation system are designed.Finally, acquire and analyze the data of copper block sample utilizing thescrap copper detection and separation system, and establish a database whichreflects the relationship between the different material scrap copper and theoutput electrical parameters of eddy current sensor and provides theory basisfor the development of mass scrap copper separation device.

Related Dissertations

  1. Research on Mud Density Measuring Method Using Ultrasonic,TE256.7
  2. Investigation on the Modification and Electrochemical Performance of Li4Ti5O12 Anode for Lithium Ion Battery,TM912
  3. Preparation and Application of Three Dimensional Reinforcements with Carbon Nanotubes Grown on the Fiber Surfaces in Situ,TB383.1
  4. Research on the Technology of Online Detecting for Weld Defects of Strip Steel,TG441.7
  5. Cooking oil mixed with waste oil testing methods and devices,R155.5
  6. Determining Suspended Sediment Concentration of Yellow River Delta Based on Electrical Conductivity,TV148.1
  7. Research on Electrical Conductivity On-line Measurement System for Seawater Desalination,P747
  8. Research on Lithium Iron Phosphate as Cathode Material by Hydrothermal Synthesis,TM912
  9. Design on Digital Honey Water Content Meter,S896.1
  10. Study on Preparation, Characteristics and Application in Hydrogen Sensor of Proton Conductors,TP212.2
  11. Study on the Preparation and Properties of the Electric Conductive Silk,TS146
  12. Investigation on Microstructure and Properties of Cu-Cr-Ti(RE) Lead Frame Materials,TG146
  13. Based on Multi-Frequency Eddy Current Detection Method of Multi-Paramete Measurement Analysis and Research,TG115.28
  14. Pulsed Eddy Current Testing System Design and Research,TH878
  15. Monitoring Model Study on Water Status of Cotton Functional Leaves and Soil Electrical Conductivity in Saline Soil with Hyperspectral Remote Sensing,S562
  16. Investigations on Heat Transfer Enhancement of Free Surface MHD Flow,TK124
  17. The Design and Application of Regularization Computational Methods for Ill-posed Problems,O241.6
  18. Research on GMR Effect Based Crack ECT Tech and System for Nonferromagnetic Metal Material,TG115.28
  19. Design of Excitation Signal Source for Eddy Current Testing System Based on DDS,TH878
  20. Spot welded plate girder structure vibration frequency equivalent impedance method,TB533
  21. A Study on Parameters for Estrus Detection Based on Activity Record and Subclinical Mastitis Diagnosis Based on Milk Conductivity in Lactating Cows,S858.23

CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Automatic detection system using a variety of new technologies
© 2012 www.DissertationTopic.Net  Mobile