Real-Time Drilling Parameter Adjustment via Particle Size Monitoring
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Solution Overview
Problem
Existing rock drilling technologies lack the ability to efficiently adjust drilling parameters in real-time to optimize performance, affecting borehole quality and efficiency.
Innovation Solution
A method and system for real-time adjustment of drilling parameters based on measuring particle size during rock drilling, using sensors to adjust parameters when predefined criteria are met, and employing machine learning for continuous optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If drilling parameters are adjusted in real-time based on particle size measurement, then rock drilling performance is improved and borehole quality is optimized, but device complexity increases due to addition of sensors and control systems
Solution Approach 1:
The patent implements a feedback control system where particle size measurements from sensors are continuously fed back to the control unit, which automatically adjusts drilling parameters (percussion pressure, feed rate, rotational speed) to optimize rock drilling performance while maintaining borehole quality
Solution Approach 2:
The patent replaces manual monitoring and adjustment of drilling parameters with an automated control system that uses optical or acoustic sensors to measure particle size and a control unit to adjust parameters, substituting mechanical/operator-based control with sensor-based automated control
2Manufacturing precision
If particle size measurement is implemented during drilling, then drilling parameter optimization is enabled, but measurement precision requirements increase due to need for accurate real-time particle size data
Solution Approach 1:
The patent introduces flushing media (air or water) as an intermediary that carries rock particles from the borehole to the measurement location, enabling indirect measurement of particle size generated during drilling without requiring direct measurement at the drill bit interface
Solution Approach 2:
The patent measures particle size in the flushing media stream as a representative sample or copy of the actual rock particles being generated, allowing indirect assessment of drilling performance without directly measuring particles at the drilling interface
3Productivity
If continuous monitoring and adjustment of drilling parameters is performed, then time efficiency is improved, but loss of time increases due to data processing and adjustment cycles
Solution Approach 1:
The patent implements continuous monitoring and adjustment of drilling parameters throughout the drilling operation, with sensors continuously measuring particle size and the control unit continuously adjusting parameters, eliminating idle periods and maintaining optimal drilling conditions throughout the entire operation
Solution Approach 2:
The patent establishes predefined criterion thresholds for particle size measurements before drilling begins, allowing the control unit to automatically compare measurements against these pre-set criteria and make immediate adjustments without requiring complex real-time analysis or operator intervention
Data Source
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AI summary
The disclosure relates to a method for real-time adjustment of at least one drilling parameter during rock drilling by a drilling machine (10), wherein the drilling machine (10) is configured to be operated with an adjustable set of drilling parameters which influence the rock drilling performance, the method comprising: - during an ongoing rock drilling operation when the drilling machine (10) is operated with one specific set of drilling parameters of the adjustable set of drilling parameters, measuring (S1), by use of at least one sensor, particle size of particles generated by the rock drilling operation, wherein the measured particles are associated with a point in time when the specific set of drilling parameters are used; and - adjusting (S2) in real-time at least one drilling parameter of the specific set of drilling parameters when the measured particle size fulfils a predefined criterion. The disclosure further relates to a control system (100), a drilling machine (10), a computer program and a computer readable medium.