Slidable Filtration Apparatus Reciprocating Motion
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Solution Overview
Problem
Current filtration systems face high energy consumption in aeration cleaning methods and are cumbersome due to large, complex reciprocating frames, leading to increased costs and maintenance difficulties.
Innovation Solution
A slidable filtration apparatus with horizontal linear motion members and a compact design that allows for reciprocating motion without a separate slidable medium, reducing energy use and simplifying manufacturing and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If aeration cleaning method is used to remove contaminants from filtration membrane, then cleaning effectiveness is improved, but energy consumption increases significantly
Solution Approach 1:
The patent replaces the pneumatic aeration system with a mechanical reciprocating motion system. The filtration membrane is moved back and forth mechanically along the feed water flow direction, substituting the need for high-energy air blowing while achieving similar contaminant removal through physical displacement and turbulence generation.
Solution Approach 2:
The filtration membrane undergoes periodic reciprocating motion, moving forward and backward along the feed water flow. This periodic mechanical action generates turbulence and dislodges contaminants from the membrane surface, achieving cleaning effectiveness comparable to continuous aeration but with lower energy consumption.
2Reliability
If reciprocating frame is used to move multiple membrane support frames, then cleaning function is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts and eliminates the complex reciprocating frame structure from the system. Instead of using a large frame to which multiple membrane support frames are coupled, the invention allows each membrane support frame to reciprocate independently or uses a simplified guiding mechanism, thereby reducing structural complexity and manufacturing costs while maintaining the cleaning function.
Solution Approach 2:
The system is segmented into independent membrane support frames that can reciprocate individually along guide rails, rather than being rigidly connected to a single large reciprocating frame. This segmentation simplifies the overall structure, reduces manufacturing complexity, and allows for easier maintenance of individual components.
3Reliability
If large reciprocating frame is used to accommodate multiple membrane modules, then cleaning coverage is improved, but ease of manufacture and maintenance deteriorates
Solution Approach 1:
The filtration system is divided into multiple independent membrane support frames that can be manufactured separately and then assembled. Each frame module is compact and can be produced using standard manufacturing processes, improving ease of manufacture compared to a single large reciprocating frame that would require custom fabrication and welding.
Solution Approach 2:
The standardized membrane support frame design serves multiple functions: it supports the filtration membrane, provides guiding surfaces for reciprocating motion, and can be easily assembled and disassembled for maintenance. This universal modular design simplifies manufacturing and enables easy replacement of individual modules without affecting the entire system.
4Productivity
If multiple membrane support frames are coupled to single reciprocating frame, then cleaning efficiency is improved, but ease of operation and maintenance deteriorates
Solution Approach 1:
Instead of coupling multiple membrane support frames to a single reciprocating frame, the invention allows each frame to reciprocate independently along its own guide rails or uses a simplified common guiding structure. This segmentation improves operational convenience by allowing individual frames to be adjusted, removed, or maintained without affecting other frames, while still achieving coordinated cleaning action.
Solution Approach 2:
The system transitions from a rigid coupled structure to a more dynamic configuration where membrane support frames can move independently or semi-independently. This dynamic arrangement allows for easier operation and maintenance, as individual components can be accessed and adjusted without requiring the entire assembly to be disassembled or stopped.
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 solution reduces energy consumption, enhances maintenance convenience, and minimizes damage to membrane cleaning-related parts by enabling efficient reciprocating motion within a filtration tank, improving the overall efficiency and reliability of the filtration process.
Implementation Method 1
horizontal linear motion members provided at an upper portion of the frame... enables reciprocating motion of the filtration apparatus
Data Source
AI summary
Disclosed are a slidable filtration apparatus capable of performing reciprocating motion in a filtration tank and a filtration system including the same. The filtration apparatus includes a frame and a membrane module installed in the frame, wherein the frame includes at least two horizontal linear motion members provided at an upper portion thereof.


