Filter Candle with Bypass Mixing for Variable Water Hardness
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Solution Overview
Problem
Existing water treatment systems with filter candles struggle to efficiently provide and switch between different degrees of water hardness for various applications, such as beverage preparation and steam cooking, without being inconvenient and requiring drainage.
Innovation Solution
A filter candle system with a filter head that allows for easy connection and disconnection, featuring a filter candle with two outlets and a bypass mechanism that enables mixing of softened and unsoftened water to achieve different hardness levels, with adjustable settings for optimal use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bypass mechanism is added to adjust water hardness, then adaptability to different applications is improved, but device complexity increases
Solution Approach 1:
The filter candle is segmented into multiple functional zones: an ion exchange section for softening, a mixing section for blending softened and unsoftened water, and a bypass channel for direct water flow. This segmentation allows independent control of each function, achieving variable hardness output without requiring a completely complex system redesign.
Solution Approach 2:
The filter candle housing serves multiple functions: it contains the ion exchange material, provides mixing chamber volume, incorporates bypass channels, and houses the outlet valve mechanism. This multi-functionality reduces the need for separate components, thereby improving adaptability while limiting complexity growth.
2Manufacturing precision
If the bypass is closed completely for steam cooker use, then water hardness for steam cooking is improved, but ease of operation deteriorates due to drainage requirement
Solution Approach 1:
The system prepares both softened and unsoftened water paths in advance through the parallel bypass configuration. When switching between beverage preparation and steam cooking, the user only needs to adjust the valve position rather than drain and refill, as the appropriate water type is already available in the respective channels.
Solution Approach 2:
The bypass valve provides dynamic control over the mixing ratio of softened and unsoftened water. By making the bypass flow adjustable rather than fixed, the system can adapt in real-time to different hardness requirements, improving ease of operation while maintaining precision through the valve mechanism.
3Ease of operation
If water is stored in the line downstream of the filter candle, then convenience of use is improved, but loss of time occurs during hardness changes due to drainage requirement
Solution Approach 1:
The water distribution system is segmented into separate outlets for different hardness requirements. The filter candle head incorporates distinct discharge paths that deliver pre-prepared softened water for beverages and adjustable hardness water for cooking, eliminating the need to drain stored water when switching applications.
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 simple and convenient provision of water with different hardness levels, reducing the need for frequent drainage and enabling efficient use in various applications, such as beverage preparation and steam cooking.
Implementation Method 1
a filter candle (100) having one inlet (107) and at least two outlets (202, 203), with a housing (101) which is filled with an ion exchange material for softening the water to be treated
Implementation Method 2
The filter candle has two outlets, and the water is treated differently inside the filter candle so as to provide a respective different degree of hardness at the two outlets
Data Source
AI summary
A filter candle for treating water is provided, which is adapted to be connected to a filter head. The filter candle comprises a housing which is filled with an ion exchange material for softening the water to be treated. The filter candle has a head with one inlet and at least two outlets, and water that can be introduced into the filter head at a first outlet is more softened than water which can be introduced into the filter head at a second outlet.