Automatic Filter Cartridge Closure for Oil-Water Separation
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Solution Overview
Problem
Existing oil/water separation devices face challenges with filter maintenance, requiring time-consuming and messy filter changes, increased risk of contamination during filter replacement, and inability to adapt to varying condensate loads.
Innovation Solution
A filter unit and base unit design that allows for automatic, tool-free installation and removal of filter cartridges, ensuring clean and simple filter changes, with automatic closures preventing leakage and enabling flexible system performance adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If filter cartridges are manually replaced in conventional oil/water separation devices, then filter maintenance can be performed, but the process is time-consuming and requires system shutdown
Solution Approach 1:
The filter unit is segmented into a modular cartridge design that can be independently removed and replaced. The housing contains a filter receptacle that accepts removable filter cartridges, allowing the filter element to be separated from the main separation device for quick replacement without affecting other components.
Solution Approach 2:
The filter cartridges are pre-assembled with closure mechanisms and sealing elements in the correct positions. The automatic closure mechanism is pre-configured to engage with the housing when the cartridge is inserted, eliminating the need for manual assembly steps during replacement and enabling immediate installation.
2Ease of operation
If filter cartridges are manually handled during replacement, then filter changes can be performed, but contamination risk increases
Solution Approach 1:
The filter cartridge is designed with self-closing mechanisms that automatically seal the fluid passage openings when the cartridge is removed from the housing. The closure members are spring-loaded or gravity-assisted to automatically return to the closed position, eliminating the need for manual sealing operations and preventing leakage during replacement.
Solution Approach 2:
Sealing elements such as O-rings or gaskets are introduced as intermediary components between the filter cartridge and housing. These sealing elements create fluid-tight barriers that prevent contamination during installation and removal, while the automatic closure mechanism ensures they remain in place without manual intervention.
3Adaptability or versatility
If conventional filter systems are used, then basic filtration can be achieved, but the system cannot adapt to varying condensate loads
Solution Approach 1:
The system allows dynamic adjustment of filtration capacity by adding or removing filter cartridges from the housing based on the condensate load. The modular design enables the number of active filter cartridges to be varied, providing adaptable performance that matches actual operational requirements without requiring a completely different system configuration.
Solution Approach 2:
The housing and filter receptacle are designed as universal components that can accommodate different numbers and types of filter cartridges. The same basic housing structure supports configurations ranging from single to multiple cartridges, allowing the system to perform multiple filtration capacities with a single device design.
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
Facilitates easy and clean filter replacement, reduces system contamination risk, and allows the system to adapt to varying condensate loads without disrupting operation.
Implementation Method 1
the drain opening (48) of the housing (44) is designed to be closable by means of an automatic filter cartridge closure (50). Upon insertion of the filter cartridge (40) into a corresponding filter receptacle (30) of a base unit (20) of an oil/water separation device, the automatic filter cartridge closure (50) is movable from its closed state to its open state
Implementation Method 2
Filter material for at least partially removing oil from the oil/water mixture in the form of condensate from a compressed air process is arranged in the filter interior (42)
Data Source
Figure 1~2
Figure 3~4
Figure 5a~5b
AI summary
The present invention relates to a filter unit (4) for integration in an oil-water-separating device (10) for removing oil-containing constituents from an oil-water mixture, the filter unit (4) having a housing (44) which separates a filter interior (42) from an environment (U), there being in the filter interior (42) filter material for at least partially removing oil from the oil-water mixture, preferably adsorption filter material (43) for adsorbing dispersed oil. An inflow opening (46) for providing an inflow of liquid (L) to be cleaned into the filter interior (42) is provided, and the housing (44) has, downstream of the filter material, an outflow opening (48) for providing an outflow of cleaned liquid (W) from the filter interior (42). According to the invention, the filter unit (4) is designed as a filter cartridge (40) for detachable connection to and disconnection from the oil-water-separating device (10). Moreover, the outflow opening (48) of the housing (44) is designed to be closable by means of an automatic filter cartridge closure (50), wherein the automatic filter cartridge closure (50) can be moved from a closed state, for preventing cleaned liquid (W) from flowing out of the filter interior (42), to an open state, for allowing cleaned liquid (W) to flow out of the filter interior (42). The present invention also relates to a base unit (20) of an oil-water-separating device (10) for removing oil-containing constituents from an oil-water mixture, and to an oil-water-separating device (10) for removing oil-containing constituents from an oil-water mixture.