Hydronic Separator with Counter-Rotating Chambers for Particle Removal
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Solution Overview
Problem
Existing separator devices for hydronic heating systems are limited in effectiveness due to their small size, which restricts the separation of particles, and require significant vertical space for installation and maintenance, posing challenges in retrofitting and potential damage during installation.
Innovation Solution
A three-chamber separator device with counter-rotating flows in the second and third chambers, combined with a central unobstructed chamber for swirling flow, enhances particle separation efficiency and flexibility in installation, using deflectors and a sleeved magnet for effective particle removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the separator chamber is made small to reduce device size, then the device can be fitted in small spaces, but the obstruction means have limited ability to slow the flow rate and separation effectiveness is reduced
Solution Approach 1:
The separator device is divided into multiple chambers (first chamber with obstruction means, second chamber for particle collection, and optional third chamber) to increase separation effectiveness within a compact overall volume. Each chamber performs a specific separation function, allowing the device to maintain high effectiveness while keeping the total device size small for retrofit installation.
2Ease of repair
If a removable insert is provided within the housing for cleaning, then particles can be removed during service, but the device requires vertical space between horizontal surfaces of at least twice the height of the housing
Solution Approach 1:
The closure portion is designed to be rotatable relative to the housing body, transforming the static vertical space requirement into a dynamic configuration. By rotating the closure portion horizontally, the device can be serviced in locations with limited vertical clearance, as the removable insert can be accessed through horizontal rotation rather than requiring twice the housing height vertically.
3Adaptability or versatility
If right-angle connectors are installed on open ends of pipework and the separator device is pushed on, then the device can be connected to the heating circuit, but precise alignment is difficult to achieve
Solution Approach 1:
The device incorporates both straight and right-angle connector configurations, making it universally adaptable to different pipework arrangements. This multi-functionality allows installers to choose the appropriate connector type for their specific application, achieving both installation flexibility and precise alignment without requiring custom modifications.
4Stress or pressure
If the obstruction means are placed outside the separation chamber, then the pressure drop is minimized, but the separation effectiveness is limited
Solution Approach 1:
The separation function is segmented across multiple chambers: the first chamber contains obstruction means for initial particle removal with minimal pressure drop, while the second chamber provides additional separation capacity. This segmentation allows each chamber to be optimally sized and positioned, maintaining low pressure drop while achieving high overall separation 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 device achieves improved particle separation with minimal pressure drop and flexibility in installation, allowing for effective use in smaller spaces and easier maintenance, reducing the risk of damage during installation.
Implementation Method 1
Typically these devices include a magnet for attracting ferrous particles
Implementation Method 2
Particles will then fall out of suspension and become trapped in cavities
Implementation Method 3
Reversing the flow of fluid so that the fluid flows in the first and second chambers are counter-rotating serves to further reduce the flow rate in the second chamber
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A separator device for removing particles from suspension in a liquid comprises: a housing (12), having first (19) and second (40) chambers with apertures (98) for ingress and egress of liquid into the first chamber (19); means (100) for setting up a swirl of liquid within the first chamber (19); apertures enabling flow of liquid between the first chamber (19) and the second chamber (40); means for setting up a swirl of liquid within the second chamber (40), the swirl in the second chamber (40) being in substantially the opposite direction to the swirl in the first chamber, and there being no substantial flow in the second chamber (40) which is in the same direction as the swirl in the first chamber (19).