Uniplanar Flotation Line Gravity Flow Design
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Solution Overview
Problem
Current flotation technologies for separating valuable metal-containing ore particles from ore particles in slurry are inefficient in terms of construction speed, cost, and process optimization, particularly due to complex layouts and high capital expenditures.
Innovation Solution
A flotation line comprising at least three uniplanar flotation units with decreasing launder lip heights, allowing gravity-driven slurry flow and reducing the need for additional pumping, while maintaining efficient entrapment of valuable particles through controlled material flow and froth overflow management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If flotation units are arranged in a complex non-uniplanar layout, then process performance can be optimized, but construction speed decreases and capital costs increase
Solution Approach 1:
The flotation line is divided into multiple uniplanar flotation units, each comprising one or more flotation cells arranged in a common plane. This segmentation allows each unit to be constructed independently and efficiently, improving construction speed while maintaining overall process performance through the series arrangement of units.
Solution Approach 2:
The patent transitions from complex three-dimensional non-uniplanar arrangements to a simplified two-dimensional uniplanar configuration. By constraining all flotation cells within each unit to a common plane, the design reduces construction complexity and capital costs while preserving the necessary process functionality through multiple units connected in series.
2Reliability
If flotation units are arranged in a complex non-uniplanar layout, then process optimization may be achieved, but capital expenditures increase
Solution Approach 1:
Dividing the flotation system into separate uniplanar units enables standardized manufacturing and modular installation, reducing overall capital expenditures while maintaining process performance through the cumulative effect of multiple units operating in series.
Solution Approach 2:
By adopting a uniplanar two-dimensional arrangement instead of complex three-dimensional configurations, the patent reduces manufacturing complexity and capital costs. The common plane arrangement simplifies foundation requirements, piping, and structural support while achieving process goals through multiple units.
3Ease of manufacture
If launder lip heights are kept constant across flotation units, then construction is simplified, but material flow speed cannot be optimized
Solution Approach 1:
Each uniplanar flotation unit is equipped with a specific launder lip height tailored to its position in the series and local process requirements. This local customization enables optimization of material flow speed in each unit while the overall uniplanar arrangement maintains construction simplicity compared to non-uniplanar alternatives.
Solution Approach 2:
The launder lip height parameter is varied across different flotation units to control material flow speed. By adjusting this geometric parameter locally in each unit while maintaining the uniplanar configuration, the system achieves optimized flow dynamics without sacrificing construction simplicity.
4Ease of operation
If additional pumping is used to move slurry through flotation units, then material flow can be controlled, but energy consumption increases
Solution Approach 1:
The uniplanar arrangement of flotation units creates a gravitational equipotential surface, allowing slurry to flow between units without requiring additional pumping. This configuration uses the natural potential energy of the slurry to drive material flow through the series of units, significantly reducing energy consumption while maintaining flow control.
Solution Approach 2:
The flotation units are designed to utilize the inherent gravitational potential of the slurry for self-propelled flow between units. By arranging units in a common plane and optimizing launder lip heights, the system enables automatic material flow control without external pumping energy input.
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 configuration enhances construction speed, reduces capital costs, optimizes process performance, and minimizes the need for additional pumping, leading to more efficient recovery of valuable metal-containing particles with reduced wear on system components.
Implementation Method 1
flotation line for treating mineral ore particles suspended in slurry... for separating valuable metal containing ore particles from ore particles
Implementation Method 2
at least one flotation cell equipped with a dispersed gas feeding mechanism
Implementation Method 3
at least one flotation cell equipped with a mixing apparatus
Implementation Method 4
Each flotation cell equipped with a launder lip comprises a slurry inlet, a tailings outlet and a concentrate outlet
Data Source
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AI summary
This disclosure relates to a flotation line for treating mineral ore particles suspended in slurry, comprising at least three flotation units arranged in fluid connection with each other for allowing gravity-driven slurry flow between flotation units, an a feed inlet for supplying slurry into a first flotation unit; wherein at least three flotation units are configured to be uniplanar, each flotation unit comprises at least one flotation cell; and wherein the launder lip height (H) of each uniplanar flotation unit is lower than the launder lip height (H) of the preceding uniplanar flotation unit in the direction of the slurry flow, so that an angle of sloping (β) between a first uniplanar flotation cell, equipped with a launder lip and being larger than 150 m3, and a last uniplanar flotation cell, equipped with a launder lip and being larger than 40 m3, is formed; and the angle (β) is 1.5 to 10 degrees relative to horizontal. The disclosure further relates to a flotation method.