Re-Entrant Filter Device Assembly for Stable Disassembly
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Solution Overview
Problem
Existing filter devices for separating liquid mixtures, particularly those designed for large-scale applications, suffer from bulky designs and unsafe, cumbersome maintenance processes due to the risk of housings accidentally falling during removal and the difficulty in handling heavy components, leading to potential breakage and manual handling injuries.
Innovation Solution
A filter device with a compact design featuring a vessel and housing that can be stably positioned on a horizontal surface, allowing for safe and easy disassembly and assembly by tilting and rolling the housing, facilitated by wheels and grip portions, and utilizing detachable connections between filter elements to enhance serviceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing is positioned at an elevated level in the re-entrant section, then the fluid connection between filter elements is achieved, but the housing may accidentally fall down causing breakage and manual handling injuries
Solution Approach 1:
The housing base surface and vessel base surface are positioned in the same horizontal plane, creating an equipotential position that eliminates the risk of the housing falling due to gravity. This resolves the contradiction by maintaining fluid connection reliability through proper positioning while eliminating the harmful factor of accidental falls and associated injuries.
2Productivity
If the housing is large and heavy, then the filter device can handle large liquid mixture flows, but it is difficult to carry the housing away without external tools
Solution Approach 1:
The housing is designed with wheels that enable it to be dynamically moved across the ground surface. This transforms the static, cumbersome housing into a mobile component that can be easily transported away from the vessel without requiring external tools, while maintaining the capacity to handle large liquid mixture flows.
3Ease of repair
If the housing is removed from the re-entrant section, then filter element replacement is enabled, but the housing may accidentally fall to the ground
Solution Approach 1:
By positioning the housing base surface and vessel base surface in the same horizontal plane, the housing remains stable during removal operations. The equipotential positioning ensures that the housing does not fall accidentally when being detached from the re-entrant section, enabling safe filter element replacement while maintaining housing stability.
4Volume of moving object
If the vessel and housing are assembled as a compact entity, then the filter device has a compact design, but the housing cannot be easily removed for maintenance
Solution Approach 1:
The filter device is segmented into separable components: the vessel containing the first filter element and the housing containing the second filter element. The housing can be detached from the vessel's re-entrant section, enabling easy removal for maintenance while maintaining a compact assembled configuration. This segmentation resolves the contradiction between compactness and ease of maintenance.
Solution Approach 2:
The connection between the housing and vessel is designed to be dynamically changeable - easily detachable for maintenance and securely assembled for operation. The housing can be removed from and reattached to the re-entrant section, providing dynamic flexibility that enables both compact operation and easy maintenance access.
Data Source
AI summary
A filter device for separating a liquid mixture, including a vessel with first filter element. The vessel comprises a flat vessel base surface and vessel mantle surface, including a housing with a second filter element. The housing comprises flat housing base surface and housing mantle surface. The vessel mantle surface comprises re-entrant section forming recess. A mating side of the housing mantle surface is configured to fit into the recess, whereby the re-entrant section and the mating side are provided with connection means to fluidly connect the first filter element with the second filter element. The re-entrant section extends from the vessel base surface, and the vessel base surface and the housing base surface are parallel and level in the same plane when the mating side of the housing mantle surface is fitted into the recess formed by the re-entrant section.