Milk of Lime Filtration Using Grit Bed and Turbulence
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Milk of lime solutions, treated with lime for pH neutralization, often contain undissolved grit particles and impurities that are difficult to filter out effectively using conventional methods.
Innovation Solution
A filtration system utilizing grit particles from the milk of lime solution as a filtration medium, with turbulence created to separate grit and impurities, allowing filtered water to be drawn off and recycled for further purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional filtration methods are used to remove grit particles from milk of lime solution, then filtration capability is improved, but the complexity of the filtration system increases and maintenance requirements worsen
Solution Approach 1:
The patent applies self-service by using the grit particles themselves as the filtration medium. The grit bed is formed from the grit particles present in the milk of lime solution, which then filter subsequent grit particles and impurities. This eliminates the need for external filter media and reduces system complexity while maintaining effective filtration capability.
Solution Approach 2:
The patent recovers and reuses grit particles from the milk of lime solution to form a grit bed for filtration. Instead of discarding the grit particles as waste, they are recovered and utilized as the filtration medium, thereby reducing the need for continuous addition of external filter media and simplifying system operation.
2Reliability
If grit particles are used as filtration medium, then filtration effectiveness is improved, but the difficulty of maintaining a functional grit bed worsens
Solution Approach 1:
The patent applies dynamics by creating turbulence in the milk of lime solution to dynamically maintain the grit bed. The turbulence ensures that grit particles remain suspended and distributed throughout the solution, preventing compaction and maintaining effective filtration capacity. This dynamic approach simplifies maintenance by eliminating the need for manual intervention to maintain the grit bed structure.
Solution Approach 2:
The patent employs periodic turbulence generation to continuously maintain the grit bed in a functional state. By periodically creating turbulent flow conditions, the system ensures that grit particles remain properly distributed and active as filtration medium, reducing maintenance requirements compared to static filtration systems.
3Reliability
If turbulence is created to pass milk of lime through grit bed, then filtration performance is improved, but energy consumption increases
Solution Approach 1:
The patent applies partial action by creating turbulence only in the specific region where the milk of lime solution contacts the grit bed, rather than agitating the entire volume of solution. This localized turbulence generation achieves effective filtration performance while minimizing energy consumption compared to full-system agitation.
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
Effectively removes grit particles and impurities from the milk of lime solution, producing purified water that can be recycled and stored for use, while maintaining a functional grit classifier for continuous operation.
Implementation Method 1
filtering the milk of lime solution... grit particles from the milk of lime as a filtration medium to filter out other grit particles and other impurities
Implementation Method 2
creating turbulence in the enclosure of the vessel to cause milk of lime to pass upwardly through the grit bed
Implementation Method 3
settling grit particles from the milk of lime in an enclosure of the vessel that has a grit bed of these particles
Data Source
AI summary
A method and apparatus is provided for water filtration of a milk of lime solution that contains water, impurities, and grit particles, in which the milk of lime solution enters a vessel, and wherein turbulence is created in the vessel, by which larger grit particles settle out of the milk of lime solution, to form a bed of grit particles in the lower end of the vessel, such that grit particles and impurities are filtered from the lime-treated water that comprises a milk of lime solution, with water then being drawn off, that may be discharged out one or more dosing locations and/or recycled back for further filtration, as may be desired.