Floating Weir Filterwell for Stable Inline Dispersant Release
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Solution Overview
Problem
Dispensers in inline water circulation systems of hot tubs face instability due to rapid changes in water velocity, affecting dispersant rates, especially when pumps start and stop or debris alters flow, leading to inconsistent dispersant delivery.
Innovation Solution
A floating weir system with a cartridge dispenser shielded by a high resistance water flow passage, using protuberances to maintain consistent dispersant rates by creating a circumferential fluid chamber that isolates dispensing ports from high velocity water flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a dispenser is placed in an inline water circulation system, then the dispersant can be delivered into the recirculating water, but the dispersant release rate becomes unstable due to rapid changes in water velocity
Solution Approach 1:
A floating weir structure is introduced as an intermediary between the high-velocity water flow and the dispenser. The weir creates a calm water zone that shields the dispenser from velocity fluctuations, allowing stable dispersant release while still being positioned in the inline circulation system for effective water treatment
2Productivity
If the dispenser is positioned to allow water flow through it, then dispersant can be released into the water, but high velocity water causes rapid and unwanted dispersant release
Solution Approach 1:
The floating weir acts as a mediator that separates the high-velocity water flow from the dispenser's water ports. It allows controlled water access for dispersant release while filtering out the harmful high-velocity fluctuations that cause rapid unwanted release
Solution Approach 2:
The system changes the water velocity parameter from high and fluctuating to low and stable by using the floating weir to create a calm zone. This parameter transformation ensures controlled dispersant release rates while maintaining effective circulation system integration
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 stabilizes dispersant delivery by shielding dispensing ports from rapid water velocity changes, ensuring consistent dispersant rates despite fluctuations in water flow.
Implementation Method 1
a floating weir located in a filterwell basket with the floating weir floatingly supporting a cartridge dispenser
Implementation Method 2
shielded from unwanted water velocity changes within the floating weir through a high resistance water flow passage
Data Source
AI summary
An inline filterwell system with a floating weir that delivers a dispersant into the water in an inline filterwell where a cartridge dispenser dispersant rate of a cartridge dispenser located in a cartridge jacket of the weir is isolated from changes in the velocity of water flowing through an open body of the weir.