UV Fluid Disinfection Device with Distributed Diodes and Reflective Wall
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fluid disinfection methods, particularly for water, are not effective in ensuring comprehensive disinfection due to inefficiencies in UV light distribution and heat management in decentralized systems.
Innovation Solution
A modular UV disinfection device with light-emitting diodes arranged along the flow path in a flow tube, combined with a diffusely reflecting container wall and active or passive cooling systems, to ensure uniform UV irradiation and efficient heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If UV light-emitting diodes are arranged in a decentralized system, then the device can be compact and suitable for point-of-use applications, but the UV light distribution becomes inefficient and disinfection effectiveness decreases
Solution Approach 1:
The UV irradiation device is segmented into multiple light-emitting diodes arranged along the flow path, with each LED acting as an independent radiation source. This segmentation allows compact device design while maintaining effective UV distribution through multiple distributed sources rather than a single centralized source.
Solution Approach 2:
The container wall is equipped with locally positioned reflectors at specific locations to redirect UV light into the flow path. This local quality enhancement ensures that UV radiation is effectively distributed throughout the fluid path without requiring a large device volume, addressing both compactness and disinfection effectiveness.
2Illumination intensity
If light-emitting UV diodes are arranged distributed on the container wall along the flow path, then UV irradiation coverage is improved, but heat generation from multiple diodes increases
Solution Approach 1:
A coolant is introduced as an intermediary substance to manage heat from the distributed UV diodes. The coolant circulates through the container wall or dedicated cooling channels, absorbing heat from multiple diode locations and transporting it away, thereby enabling high UV irradiation coverage without excessive temperature rise.
3Use of energy by moving object
If the container wall is made transparent to UV light, then UV transmission to the fluid is maximized, but UV light loss through the container wall increases
Solution Approach 1:
The container wall incorporates reflectors that convert potentially lost UV light (which would otherwise transmit through the transparent wall) into beneficial radiation directed toward the fluid path. This transforms the harmful effect of UV transmission loss into a benefit by redirecting the light to enhance disinfection effectiveness.
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 provides enhanced disinfection efficiency by ensuring uniform UV exposure and effective heat management, improving the quality of disinfected water while allowing for flexible system configurations and reduced UV light loss.
Implementation Method 1
a UV irradiation device is provided which has light-emitting UV diodes, with which UV light rays can be irradiated into the reactor space for disinfecting the fluid
Implementation Method 2
The arrangement has a container wall, which is configured to diffusely reflect the UV light rays
Implementation Method 3
combined with a diffusely reflecting container wall and active or passive cooling systems, to ensure uniform UV irradiation and efficient heat dissipation
Data Source
AI summary
The invention relates to an arrangement for a device for disinfecting a fluid, having a container; a reactor space which is arranged in the container and is configured to receive a fluid to be disinfected, which enters the reactor space via an inlet thereof and can leave it via an outlet of the reactor space; and a UV irradiation device having light-emitting UV diodes, with which UV light rays for disinfecting the fluid in the reactor space can be irradiated; wherein the reactor space in the container is formed having a flow path in a flow tube surrounded by a container wall and the light-emitting UV diodes are arranged distributed on the container wall in the region of the flow tube along the flow path in order to irradiate the UV light rays on the flow path. Furthermore, a device for disinfecting a fluid is provided.