Filter System Recirculation Valve for Microorganism Survival
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Solution Overview
Problem
Existing filter systems for artificial bodies of water, such as swimming ponds and fish tanks, face challenges in maintaining the ecological balance of microorganisms during periods of water scarcity or drainage, leading to potential 'tipping over' of the filtration system due to oxygen deprivation and nitrogen buildup.
Innovation Solution
A filter system with a valve arrangement that allows for a circulating operating state, enabling internal water circulation and maintaining microorganisms' hydration and nutrient supply, independent of the water body's status, by connecting the processing chamber to a return line and blocking the output line, thus preventing oxygen depletion and nitrogen accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter system operates in normal mode with water flow from the water body, then the filtration function is performed, but the microorganisms may die during drainage or winter periods causing water turnover
Solution Approach 1:
The system dynamically switches between normal operation mode and recirculation mode based on operational needs. The valve arrangement allows the filter system to adapt its flow configuration, enabling microorganisms to remain moistened and nourished during drainage or winter periods while maintaining simple operation through automated or manual mode switching
2Reliability
If the water body is drained or frozen during winter, then external water supply stops, but the microorganisms need continued hydration and nutrients to prevent nitrogen buildup
Solution Approach 1:
The recirculation mode enables continuous circulation of water within the filter system itself, ensuring microorganisms remain continuously moistened and nourished without interruption. This internal recirculation maintains the ecological balance and prevents nitrogen buildup even when external water supply is unavailable due to drainage or freezing conditions
3Adaptability or versatility
If the filter system circulates water internally during recirculation mode, then microorganisms remain alive, but the outlet line must be blocked and return line activated
Solution Approach 1:
The valve arrangement serves multiple functions: it directs water flow between normal operation mode and recirculation mode, blocks appropriate lines based on operational state, and enables the single filter system to perform both filtration and internal recirculation functions. This multi-functional design achieves operating mode flexibility without proportionally increasing device complexity
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 solution ensures the filter system's continued effectiveness and ecological balance by keeping microorganisms alive and active, even when the water body is drained or during winter, without the need for complete medium replacement, enhancing user-friendliness and operational simplicity.
Implementation Method 1
at least one pump with which water pre-cleaned in the primary filter chamber can be conveyed through the treatment chamber
Implementation Method 2
a primary filter chamber in which at least one packing material forming a packed bed filter is filled for filtration of the water to be cleaned
Implementation Method 3
at least one of the filter stages can be a so-called bioreactor, also called a biofilter, in which microorganisms, in particular bacterial cultures, are located that can convert organic residues present in the water through transformation processes
Implementation Method 4
it is also known to loosen the dirt trapped in the filter medium by backwashing, particularly by introducing air below the filter medium
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
Filter system (1) for cleaning water, in particular for swimming ponds, swimming pools, fish ponds or fish tanks, comprising: - at least one inlet (2) and at least one outlet (3a, 3b), - at least one pump (22a, 22b), - a primary filter chamber (11) into which at least one packing material (12) forming a packed bed filter is filled, - at least one treatment chamber (31a, 31b) arranged downstream of the primary filter chamber (11), wherein the filter system (1) further comprises a return line (41) having a return outlet (42) which is located in a collection area (13) of the primary filter chamber (11) formed above the packing material (12) below a normal water level (4) of the filter system (1), and wherein, by means of a valve arrangement (7) of the filter system (1), the treatment chamber (31a, 31b) is opened in a normal operating state of the filter system (1). 31b) outlet side with the outlet (3a,3b) is fluid-conducting and that in a recirculation operating state of the filter system (1) the treatment chamber (31a, 31b) is fluid-conductingly connected to the return outlet (42) on the outlet side. (Fig. 1),