Filter Device Cylindrical Housing Tangential Outlet
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Solution Overview
Problem
Existing screening devices for granules require a large overall height and are prone to adhesion or deposits of granules in the conically shaped suction shoe area, which restricts product transfer and requires significant spatial installation.
Innovation Solution
A compact screening device design that eliminates the conical suction shoe area, featuring a cylindrical screen housing with a tangentially arranged outlet opening for screened granules and an inlet opening for transfer air, which minimizes adhesion and optimizes product transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conical suction shoe area is used in the screen housing, then granules can be effectively collected at the outlet, but adhesion and deposits of granules occur in the conical area, restricting product transfer
Solution Approach 1:
The patent removes the conical suction shoe area from the screen housing design. By extracting this problematic conical section, the invention eliminates the surface where granule adhesion and deposits occur, while maintaining effective granule collection through alternative outlet opening arrangements in the cylindrical housing.
2Reliability
If a conventional screen housing design with suction shoe is used, then screening function is achieved, but the overall height of the device becomes large, requiring significant installation space
Solution Approach 1:
The patent eliminates the conical suction shoe section from the screen housing, which directly reduces the overall height of the device. The screening function is maintained through the screen arrangement and alternative granule collection mechanism at the outlet opening in the cylindrical housing, achieving compact dimensions without sacrificing performance.
3Productivity
If the outlet opening is arranged in the base of the screen, then granules can be discharged, but adhesion in the conical area restricts fast product transfer
Solution Approach 1:
The patent removes the conical suction shoe area that causes adhesion problems. The outlet opening is arranged in the cylindrical side wall of the screen housing, allowing granules to be discharged without passing through a conical section, thereby eliminating adhesion-related transfer restrictions and improving product transfer speed.
Solution Approach 2:
The patent changes the spatial arrangement by positioning the outlet opening in the cylindrical side wall rather than in the base of the screen. This dimensional repositioning allows granule discharge to occur in a different location that avoids the adhesion-prone conical area, enabling faster product transfer.
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 compact design reduces the overall height of the screening device, prevents adhesion and deposits, and ensures fast and effective product transfer, making it easier to integrate into existing process plants.
Implementation Method 1
an inlet opening for transfer air arranged on the screen housing... ensures fast and effective product transfer
Data Source
Figure 1
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AI summary
The invention relates to a filter device (104, 204, 304) for filtering granules, in particular moist and/or dry granules, comprising a filter housing (108, 208, 308) having a base (119, 219, 319), a cover (106, 206, 306) and a side wall (107, 207, 307), an inlet for the granulate arranged on the filter housing, an outlet (110, 210, 310) for the sieved granulate arranged on the filter housing (108, 208, 308), a sieve (111, 211, 311) arranged in the sieve housing (108, 208, 308) and an inlet (116, 216, 316) for transfer air, wherein the outlet (110, 210, 310) for the sieved granulate, which is arranged on the sieve housing (108, 208, 308) is arranged on the side wall (107, 207, 307) of the sieve housing (108, 208, 308)