Coincidence X-ray Detection for Ore Composition Analysis
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Solution Overview
Problem
Traditional ore composition analysis technologies face challenges such as sample complexity, analysis speed, and accuracy, particularly in quickly and accurately determining various constituent elements in ore samples.
Innovation Solution
A coincidence technique-based X-ray detection device is developed, comprising a sample holding device, an excitation unit, detectors (two SiC semiconductor detectors and two SiPIN semiconductor detectors), a signal processing unit, and a data processing device. This device uses continuously adjustable energy X-rays to excite samples, detect secondary X-rays, and perform baseline recovery, calibration, and peak comparison to determine element types and contents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional single-channel X-ray fluorescence analysis is used, then the device complexity is low, but the measurement precision and analysis accuracy are insufficient for complex ore samples
Solution Approach 1:
The detection system is segmented into multiple independent channels, each dedicated to detecting specific energy ranges of secondary X-rays. This segmentation allows simultaneous measurement of multiple elements without interference, improving measurement precision for complex ore samples while maintaining manageable system complexity through modular design
Solution Approach 2:
The patent transitions from single-channel to multi-channel detection, adding the dimension of simultaneous multi-energy measurement. By introducing multiple detectors operating at different energy ranges, the system achieves comprehensive element analysis capability without proportionally increasing overall system complexity
2Productivity
If traditional X-ray fluorescence analysis is used, then the analysis process is simple, but the analysis speed is slow for rapid qualitative and quantitative analysis requirements
Solution Approach 1:
The multi-channel detection system enables continuous and simultaneous measurement of multiple elements in a single excitation event. Unlike traditional single-channel methods that sequentially analyze elements, this system maintains continuous detection across all energy ranges, dramatically improving analysis speed for rapid ore composition determination
Solution Approach 2:
The system performs preliminary simultaneous detection of all element signals during the X-ray excitation process, rather than sequential analysis. This preliminary action captures complete spectral information in one measurement cycle, enabling rapid qualitative and quantitative analysis without requiring multiple sequential measurements
3Reliability
If traditional single-channel detection is used, then the device complexity is low, but the reliability of element determination is insufficient for complex samples
Solution Approach 1:
The patent merges multiple detection channels into a unified analysis system that processes signals from all channels simultaneously. This merging approach combines the reliability benefits of multi-parameter measurement with integrated data processing, providing more reliable element determination for complex ore samples while managing system complexity through coordinated operation of all detectors
4Measurement precision
If multi-channel coincidence detection is implemented, then the measurement precision and analysis reliability are improved, but the device complexity increases
Solution Approach 1:
Each detection channel is optimized for specific local energy ranges, with detectors positioned and configured to detect particular secondary X-ray energy levels. This local quality optimization ensures high measurement precision for each energy range while the overall system complexity is managed through specialized, purpose-built detection channels rather than a single complex multi-functional detector
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device achieves more comprehensive and sensitive analysis, improving the accuracy of element determination and overcoming limitations of traditional single-channel measurements. It reduces noise interference, enhances adaptability, and enables real-time online analysis, providing a more reliable and efficient composition analysis method.
Implementation Method 1
an excitation unit, which is arranged above the sample holding device and is configured to output X-rays with continuously adjustable energy that interact with the sample to be detected, so as to excite the sample and generate secondary X-rays
Implementation Method 2
detectors, which are configured to detect signals of the secondary X-rays
Data Source
AI summary
A coincidence technique-based X-ray detection device and composition analysis method are provided, wherein the X-ray detection device includes: a sample holding device; an excitation unit for outputting X-rays with continuously adjustable energy; detectors comprising two SiC semiconductor detectors and two SiPIN semiconductor detectors; a signal processing unit for performing amplification, analog-to-digital conversion and classification on the detected signals to obtain energy information; a data processing device connected to the signal processing unit and used for analysis and calculation according to the energy information and determining element type and content of the sample to be tested, wherein the data processing device comprises a processor and a memory, the processor is used for executing following program modules stored in the memory: a storage module, a baseline recovery module, a calibration curve construction module, an extraction module, an effective energy information determination module, and a peak comparison module.