Gas Injector with Sintered Diffusion Insert for Pool pH Control
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Solution Overview
Problem
Current gas injection systems for pool water pH control are invasive, leading to leaks and increased maintenance costs, and lack efficient gas absorption, requiring modifications to existing plumbing and the use of acids for pH adjustment.
Innovation Solution
A gas injector system with a hollow body, connector, valve chamber, backflow prevention valve, and sintered diffusion insert, designed for non-invasive installation at the pump strainer basket housing drain port, facilitating efficient gas absorption by diffusing CO2 into the water stream.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If gas injection systems are installed using traditional methods with plumbing modifications, then gas can be injected into the water circulation system, but the installation becomes invasive leading to leaks and increased maintenance
Solution Approach 1:
The gas injection system is divided into separate modular components: a gas injector unit that attaches to the drain port, a separate gas source, and connection tubing. This segmentation allows the system to be installed without invasive plumbing modifications - the injector simply attaches to the existing drain port outlet, eliminating the need to cut or modify existing pipes while maintaining reliable gas injection functionality.
Solution Approach 2:
The patent introduces an intermediary attachment mechanism that connects the gas injector to the drain port outlet. This intermediary component serves as a bridge between the existing plumbing (drain port) and the new gas injection functionality, allowing gas to be introduced into the water stream without directly modifying the original plumbing system, thereby preventing leaks while enabling easy installation.
2Productivity
If gas is injected into pool water to control pH, then acidic chemicals are eliminated, but gas absorption efficiency is insufficient with current systems
Solution Approach 1:
The gas injector incorporates a porous diffusion insert made of sintered material with controlled pore structure. This porous material breaks up gas bubbles into fine streams as water passes through, dramatically increasing the gas-water contact surface area. The porous structure ensures efficient CO2 absorption into the pool water, achieving reliable pH control through enhanced mass transfer between gas and liquid phases.
Solution Approach 2:
The system utilizes the existing hydraulic flow of pool water through the drain port as the driving force for gas absorption. The injector is positioned to introduce gas directly into the high-velocity water stream, where hydraulic turbulence and flow dynamics naturally enhance gas-liquid mixing and absorption. This pneumatic-hydraulic integration eliminates the need for separate mixing mechanisms while maximizing gas transfer efficiency.
3Productivity
If acid is used to lower pool water pH, then pH control is achieved, but safety hazards and pool usage restrictions occur
Solution Approach 1:
The patent changes the chemical parameter from acidic (muriatic acid) to gaseous (CO2) form for pH control. By introducing carbon dioxide gas instead of liquid acid, the system achieves the same pH lowering effect through a different physical state and chemical mechanism (carbonic acid formation), eliminating the safety hazards associated with handling concentrated acids while maintaining effective pH adjustment capability.
Solution Approach 2:
The system converts a potentially harmful substance (acid) into a beneficial alternative (CO2 gas). CO2 is naturally present in pool environments and dissolves safely in water to form carbonic acid, which gently lowers pH without the corrosive hazards, skin irritation risks, and fume issues associated with traditional acidic pH adjusters. This conversion transforms a harmful chemical approach into a safer gaseous alternative.
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 allows for efficient and cost-effective pH control without invasive plumbing modifications, reducing maintenance and eliminating the need for acidic pH adjustments by ensuring effective gas absorption and distribution within the pool water circulation system.
Implementation Method 1
a sintered diffusion insert coupled to a distal end of the backflow prevention valve
Implementation Method 2
Gas injectors allow for better absorption of gas (e.g. CO2), which in turn helps to control the pool water pH
Data Source
AI summary
A gas injector that is coupled to the pump strainer basket housing drain port of a pump-circulated system is disclosed. The gas injector that may be installed in a way that is less invasive than currently used gas injection systems to pre-existing plumbing of a pump system and that allows for more efficient gas absorption in water than currently used gas injection systems. The gas injector may be used with all currently existing pump systems.