Multi-Stage Water Filtration System with Brine Recovery
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Solution Overview
Problem
Conventional water filtration systems use a single-stage filter membrane, resulting in inadequate filtration, complex pipelines, excessive waste, and low water resource utilization due to direct discharge of wastewater.
Innovation Solution
A compact water filtration system with a multi-stage filter cartridge assembly, optimized pipeline arrangement, and a circulation pathway that recycles wastewater, utilizing a pump assembly and valve configurations to control water flow and pressure for efficient filtration and reduced waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a multi-stage filter cartridge is used, then water filtration quality is improved, but the pipeline becomes complicated and volume increases
Solution Approach 1:
The filter cartridge is divided into multiple filtration stages (coarse filtration, fine filtration, ultrafiltration, reverse osmosis) with each stage handling specific impurity removal. This segmentation allows progressive filtration without requiring a single complex filter, simplifying the overall system design while maintaining high filtration quality.
Solution Approach 2:
Multiple filter cartridges are nested within a single housing structure, with each cartridge containing different filtration media. This nested arrangement allows multiple filtration stages to be compactly integrated, reducing pipeline complexity and system volume while maintaining comprehensive water treatment capabilities.
2Manufacturing precision
If pure water from multi-stage filtration is used for domestic purposes, then water quality is improved, but water waste increases
Solution Approach 1:
The system recovers and reuses the brine waste from reverse osmosis filtration through a brine recovery unit that concentrates and stores the waste stream. This recovered brine can be used for irrigation, animal watering, or industrial processes, significantly reducing water waste while maintaining high-quality pure water for domestic consumption.
Solution Approach 2:
The filtration system is designed to serve multiple functions: producing pure water for drinking, generating purified water for domestic use, and creating concentrated brine for agricultural and industrial applications. This multi-functionality maximizes water utilization and reduces overall water waste.
3Device complexity
If waste water is discharged directly, then system simplicity is maintained, but water resource utilization is low
Solution Approach 1:
The brine recovery unit continuously processes waste brine from the reverse osmosis system, concentrating it and making it available for continuous use in agriculture or industry. This continuous recovery and reuse process maintains water resource utilization without requiring complex intermittent processing systems.
Solution Approach 2:
A brine recovery unit acts as an intermediary between the filtration system and the environment, transforming waste brine into a useful resource. This intermediary component enables water resource recovery while maintaining relative system simplicity by providing a dedicated processing pathway for waste streams.
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
The system achieves improved water quality through multi-stage filtration, reduces waste by recycling wastewater, and conserves water resources by optimizing pipeline operations and utilizing valves for efficient water management.
Implementation Method 1
a pump assembly configured to drive water in the pure-water pipeline to flow
Implementation Method 2
a filter cartridge assembly having a water inlet, a purified-water outlet
Data Source
AI summary
A water filtration system (100) is provided. The water filtration system (100) includes: a filter cartridge assembly (10), a water-intake pipe (20), a purified-water pipeline (30), a pure-water pipeline (40) and a waste discharge pipeline (50). The filter cartridge assembly (10) has a water inlet (110), a purified-water outlet (120), a purified-water return port (130), a pure-water outlet (140) and a waste discharge port (150). The pure-water pipeline (40) is communicated with the pure-water outlet (140), and the pure-water pipeline (40) has a pure-water external port (410) and a second valve (420) configured to control on and off of the pure-water pipeline (40). The waste discharge pipeline (50) has a first end communicated with the waste discharge port (150) and a second end communicated with an outside.