Pool Filter Tank Branch Tap for Recovery Water Reuse
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Solution Overview
Problem
Existing filtration systems for swimming pools waste treated water, leading to excessive electricity and chemical consumption by re-treating already filtered water, and environmental pollution from untreated pool overflow.
Innovation Solution
A filtration unit with a recovery water injection system that includes a non-return valve and a filtration tank with a spigot for connecting a recovery tank upstream of the filter, ensuring dirty pool overflow water is filtered and treated before reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If recovery water is injected into the pool without filtering, then the pool can be filled quickly with recovered water, but the pool water becomes polluted and dirty with algae
Solution Approach 1:
The recovery water is filtered and treated in advance through the filtration tank before being injected back into the pool. The filtration unit processes the recovery water upstream of the filter, removing algae and contaminants before the water enters the pool, thus preventing pollution while maintaining efficient water recovery and reuse.
2Object-affected harmful factors
If recovery water is treated again after being filtered, then the water quality is improved, but electricity and chemical consumption increases excessively
Solution Approach 1:
The filtration system applies treatment selectively and locally at the point where recovery water is injected upstream of the filter. Rather than continuously treating all pool water, the system treats only the recovery water that needs it, maintaining water quality while minimizing energy and chemical consumption through targeted local treatment.
3Reliability
If a non-return valve is installed in series with the recovery water injection tapping, then gravity drainage of the swimming pool basin is prevented, but the device complexity increases
Solution Approach 1:
The non-return valve is extracted as a separate, modular component installed in series with the recovery water injection tapping. This simple valve element prevents gravity drainage by allowing water to flow in only one direction (into the pool) while blocking reverse flow, adding minimal complexity to the overall filtration system while ensuring reliable prevention of pool drainage.
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
Reduces energy and chemical consumption by reusing treated water and prevents environmental pollution by filtering and treating dirty pool overflow before returning it to the pool.
Implementation Method 1
at least one filter arranged inside the internal space of the filtration tank, the filtration tank comprising a recovery water injection tapping made in the wall of the filtration tank
Implementation Method 2
a non-return valve is mounted in series with the recovery water injection tapping so as to avoid gravity draining of the swimming pool basin
Data Source
Figure 1~2
Figure 3
AI summary
The invention mainly relates to a filtration unit for a swimming pool comprising: - a filtration tank (11) comprising a wall (14) delimiting an internal space, - at least one filter arranged inside the internal space of the filtration tank (11), and - a recovery water injection connection (30) made in the wall (14) of the filtration tank (11), said recovery water injection connection (30) being arranged upstream of the filter, said recovery water injection connection (30) being intended to be in fluid communication with a water recovery tank (31), and a non-return valve (35) being mounted in series with the recovery water injection connection so as to avoid gravity draining of the swimming pool.