Desiccant Box With Nested Inner Housings For Complete Filling
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Solution Overview
Problem
Existing desiccant boxes for air dehumidification face issues with incomplete filling due to the design, leading to inefficiencies and potential bypass effects during air dehumidification.
Innovation Solution
The design incorporates two concentric inner housings that fill the cylindrical outer housing almost completely, with air-permeable covers and snap-in connections for easy assembly, and a central pressure spring to maintain desiccant stability, along with an optional filter element for dust prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single inner housing is used to hold desiccant, then the structure is simple and easy to manufacture, but the housing cannot be completely filled with desiccant due to curved side constraints
Solution Approach 1:
The single inner housing is divided into two separate inner housings (first and second inner housings) that can be filled independently with desiccant. This segmentation allows complete utilization of the outer housing volume while maintaining manufacturing simplicity through modular assembly.
Solution Approach 2:
The first and second inner housings are nested concentrically within the outer housing, with one housing positioned inside the other. This nesting arrangement maximizes the use of available space in the outer housing while keeping the overall structure compact and manageable.
2Quantity of substance
If desiccant is filled into a closed inner housing from the curved side, then assembly is straightforward, but the filling level is limited and cannot reach the outer edge
Solution Approach 1:
By dividing the housing into two separable inner housings, each can be filled independently through its own opening before assembly. This eliminates the limitation of filling from the curved side and allows complete filling to the outer edges of both housings.
3Reliability
If compression springs are used to compress desiccant between inner and outer housing, then desiccant stability is improved during vibrations and shocks, but individual particle abrasion is prevented only at the expense of incomplete filling
Solution Approach 1:
The compression springs are applied separately to each inner housing rather than to a single housing. This allows each housing to be optimally compressed and filled, eliminating the space waste that occurred with a single housing design while maintaining stability under vibration and shock conditions.
4Productivity
If air inlet and outlet openings are added to both inner housings for even air flow distribution, then dehumidification efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The air inlet and outlet openings are distributed across both inner housings rather than concentrated in one location. This segmentation of airflow paths creates more uniform air distribution through the desiccant bed, improving dehumidification efficiency while the modular housing design keeps manufacturing manageable.
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
This configuration ensures optimal filling, reliable assembly, and efficient air dehumidification without desiccant abrasion or bypass, maintaining desiccant stability and preventing dust entry.
Implementation Method 1
a compression spring is arranged between the inner and outer housing, which ensures that the desiccant remains in a compact form in the event of extreme vibrations and shocks
Implementation Method 2
a desiccant box for dehumidifying air
Implementation Method 3
a filter element in the form of a particle filter can be provided inside the outer housing
Data Source
Figure 1
AI summary
The dessicant box for drying air comprises an outer case (10) with a base cap (11) and two inner cases (12, 17). The upper case (17) has a curved top corresponding to the shape of the top of the outer casing.