Counter-flow Ore Separator for Underwater Mining
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Solution Overview
Problem
Current underwater mining techniques are inefficient and hazardous, limited by weather conditions, depth, and the need for manual sorting, often resulting in pollution and requiring extensive cleaning and diver involvement.
Innovation Solution
A counter-flow ore separation system using a trommel fluidly coupled to separators, employing a trommel screen and trough system with increasing porosity and fluid counter-flow to differentiate between desired ore and sediment based on specific density, allowing remote operation and continuous separation without water column pollution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional underwater mining techniques are used, then ore can be extracted from placer deposits, but the operation is limited by dangerous conditions, weather, depth, and requires extensive manual sorting and cleaning
Solution Approach 1:
The patent replaces manual mechanical sorting operations with an automated hydraulic classification system. The hydraulic classifier uses fluid dynamics to automatically separate ore from sediment based on density and particle size, eliminating the need for manual sorting and extensive cleaning operations that characterize conventional mining methods.
Solution Approach 2:
The invention employs a hydraulic classification system where water flow is used to separate valuable ore from unwanted sediment. The system uses controlled water currents to transport and classify materials, allowing continuous operation without manual intervention and enabling work in conditions where conventional mechanical systems would fail.
2Adaptability or versatility
If floating dredges are used, then ore separation can be performed, but the system is limited by depth, current, and weather conditions
Solution Approach 1:
The patent employs dynamic hydraulic classification where water flow rates and velocities are continuously adjusted to optimize separation under varying operational conditions. The system adapts to different depths, currents, and weather conditions by modifying flow parameters, enabling continuous operation throughout the year regardless of external conditions.
Solution Approach 2:
The invention changes physical parameters of the fluid system (flow rate, velocity, pressure) to maintain effective ore separation across varying operational conditions. By dynamically adjusting these parameters, the system can operate in deep water, strong currents, and adverse weather that would limit conventional floating dredges.
3Measurement precision
If manual fine sorting is used, then ore can be separated from sediment, but it requires diver involvement in deep, dark, and cold locations
Solution Approach 1:
The patent replaces manual visual inspection and sorting performed by divers with an automated hydraulic classification system. The system uses fluid dynamics and density-based separation to achieve fine sorting accuracy without requiring human divers to work in deep, dark, and cold conditions.
Solution Approach 2:
The invention creates a self-acting separation system where the hydraulic classifier automatically performs the sorting function that previously required skilled divers. The system uses the energy of flowing water and density differences to autonomously separate ore from sediment, eliminating the need for human operators in hazardous environments.
4Productivity
If conventional separation systems are used, then ore can be recovered, but extensive cleaning times are required
Solution Approach 1:
The patent implements continuous hydraulic classification where separation occurs continuously as material flows through the system, rather than requiring batch processing and periodic cleaning stops. The hydraulic classifier maintains constant separation action, eliminating extensive cleaning times and maximizing ore recovery rate throughout operation.
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
Enables efficient and continuous separation of desired ore from sediment, reducing operational hazards and pollution, with the ability to operate in challenging conditions like icy seas and deep water, improving mining efficiency and safety.
Implementation Method 1
The initial separation chamber has a fluid counter-flow that imposes a force on the material that is less than the weight of a desired ore and greater than the weight of surrounding sediment
Implementation Method 2
The fluid counter-flow imposes a force on the material that is less than the weight of a desired ore and greater than the weight of surrounding sediment
Implementation Method 3
A trommel screen separates the sections of the trommel trough, and the sections of the trommel trough have increasing porosity
Data Source
AI summary
The present invention includes a mining system adapted to change underwater mining by selecting and harvesting only the target ore or gem. It eliminates costly displacement in mass of ore or material to the surface or shore, reduces pollution of the water column, and minimizes disturbance of the environment. The system includes a trommel fluidly coupled to separators, wherein each separator uses a vortex-like flow pattern to separate high-density sediment from lower density sediment based on flow rate. The present invention is the capable of separating and collecting various sized of desired ore in one pass. Additionally, the system is adapted to be coupled with a ROV dredge to reduce or eliminate diving time and risk of human life.