X-ray Fluorescence Probe for Mineral Slurry Elemental Analysis
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Solution Overview
Problem
There is a need for an improved apparatus to measure elements in a mineral slurry effectively, as existing technologies are inadequate for this purpose.
Innovation Solution
The apparatus utilizes X-ray fluorescence (XRF) analysis to measure elements in a mineral slurry by positioning an X-ray source and detector on a pipe containing the slurry, allowing for real-time analysis and determination of elemental composition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional measurement methods are used for mineral slurries, then the apparatus structure is simple, but the measurement precision and reliability are insufficient
Solution Approach 1:
The patent replaces traditional mechanical sampling and laboratory analysis methods with an X-ray fluorescence (XRF) based measurement system. The XRF analyser directly measures elemental composition in the slurry pipeline, substituting mechanical sampling operations with non-contact electromagnetic radiation-based detection, thereby achieving high measurement precision without proportionally increasing mechanical device complexity
Solution Approach 2:
The patent introduces an XRF analyser as an intermediary measurement device that interfaces with the slurry pipeline through a window or probe. This intermediary device enables accurate elemental analysis without requiring direct contact with or disruption of the slurry flow, resolving the contradiction between measurement precision and system complexity by adding a specialized measurement intermediary rather than redesigning the entire system
2Productivity
If real-time measurement is implemented, then the productivity and monitoring efficiency are improved, but the device complexity and energy consumption increase
Solution Approach 1:
The patent implements continuous real-time measurement by positioning the XRF analyser to continuously irradiate and detect elements in the flowing slurry. The system maintains continuous operation without interruption, providing ongoing elemental composition data that enables real-time assessment of mineral processing efficiency, thereby improving productivity through uninterrupted measurement capability
Solution Approach 2:
The XRF analyser is designed to autonomously perform measurement, data processing, and elemental composition determination without requiring external intervention. The system self-regulates the X-ray irradiation, detects fluorescent signals, processes spectra, and outputs measurement results, reducing operational complexity while maintaining high productivity through automated self-service operation
3Measurement precision
If X-ray irradiation is applied to measure elements in slurry, then the measurement precision is improved, but the safety concerns and potential harmful effects increase
Solution Approach 1:
The patent extracts the X-ray measurement function into a dedicated sealed analyser unit that is positioned adjacent to but isolated from the slurry flow. The X-ray source and detector are contained within a protected housing with controlled irradiation geometry, separating the harmful X-ray generation function from the measurement target while maintaining measurement precision through controlled X-ray interaction with the slurry
Solution Approach 2:
The patent utilizes the harmful ionizing radiation property of X-rays as a beneficial measurement tool. By controlling the X-ray energy and irradiation geometry, the system converts the potentially harmful penetrating radiation into a useful analytical signal through X-ray fluorescence emission, where the same physical interaction that causes ionization also produces element-specific fluorescent X-rays that enable precise elemental composition determination
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
This solution enables accurate and efficient measurement of elements in mineral slurries, improving the assessment of mineral processing efficiency and enabling real-time monitoring of mineral recovery.
Implementation Method 1
an analyser for measuring elements within a mineral slurry by utilising X-ray fluorescence (XRF)
Implementation Method 2
an X-ray source of the analyser is directed through an X-ray window of the analyser to be incident on the slurry within the pipe
Implementation Method 3
An x-ray detector of the analyser detects scattered and emitted X-rays
Data Source
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AI summary
Disclosed is a measurement probe for measurement of elements in a mineral slurry. The probe includes a housing having an X-ray window. The housing encloses: an X-ray source positioned to emit source X-rays at the X-ray window; an X-ray detector positioned to detect X-rays from the X-ray window; and a control module. The control module is configured to: control operation of the X-ray source and the X-ray detector; process X-rays detected by the X-ray detector to generate X-ray spectra data; and process the X-ray spectra data to determine the quantity of one or more elements of interest in the mineral slurry. The measurement probe includes a probe mount adapted to couple the measurement probe to a pipe mount on a pipe carrying the mineral slurry; when the probe mount is coupled to the pipe mount, the X-ray window provides a transmission window for X-rays into a lumen of the pipe.