Granulating Apparatus Movable Wall for Chamber Access
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Solution Overview
Problem
Existing granulating apparatuses for agglomerating granules have small hatches, making access to the granulating chamber uncomfortable and unsafe, leading to prolonged machine downtime during cleaning and maintenance operations due to the narrow space and limited operator mobility.
Innovation Solution
A granulating apparatus with a movable first wall that transitions between a working position and a cleaning position, allowing easy access to the chamber, combined with a dispersing assembly and a support structure with a movement unit for safe and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a closed granulating chamber with a small hatch is used, then the chamber structure is simple and compact, but operator access becomes uncomfortable and unsafe, and maintenance time increases
Solution Approach 1:
The first wall is made movable along the horizontal axis, transitioning between a working position (closed chamber) and a cleaning position (open chamber). This dynamic structure allows the chamber to transform from a compact closed form to an open accessible form, resolving the contradiction between structural simplicity and operator accessibility.
2Ease of operation
If a small hatch is provided for access, then the chamber remains compact, but operator mobility and safety are compromised
Solution Approach 1:
The movable first wall creates a dynamic access mechanism that transforms the chamber from a compact closed structure to an open structure during maintenance. This allows full operator mobility within the chamber while maintaining compact volume during operation, as the wall moves to create access rather than providing a small fixed hatch.
3Productivity
If the chamber is kept closed during operation, then material containment is maintained, but access for cleaning and maintenance requires stopping the machine and reduces productivity
Solution Approach 1:
The movable first wall enables rapid transition between closed (operation) and open (maintenance) states. During normal operation, the wall remains in the working position maintaining material containment. When maintenance is needed, the wall moves to the cleaning position, allowing quick access without extensive disassembly, thereby reducing machine downtime while maintaining reliability during operation.
Solution Approach 2:
The chamber structure is segmented with the first wall as a movable component that can be independently positioned. This segmentation allows the maintenance access function to be separated from the operational containment function, enabling the wall to serve both purposes at different times without compromising either material containment or maintenance accessibility.
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
Enables quick, comfortable, and safe access to the granulating chamber, reducing machine downtime and enhancing maintenance efficiency by facilitating easier cleaning and maintenance operations.
Implementation Method 1
a drum (12), which extends along a horizontal axis (X) and can be driven in rotation therearound
Implementation Method 2
granulating apparatus for producing granules by agglomeration of powder material
Implementation Method 3
a dispersing assembly (24), which is provided with a dispersion bar element (30) and with a dispersion motor (31) suitable to drive the dispersion bar element (30) in rotation
Data Source
Figure 1
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Figure 3
AI summary
A granulating apparatus (10) for producing granules by agglomeration of powder material comprises a drum (12) extending along, and actuatable in rotation around, a horizontal axis (X), a first wall (13) and a second wall (14); the second wall (14) is arranged at a second end (12") of the drum (12) and it is fixed with respect to the rotation of the drum (12), the first wall (13), instead, is movable along the horizontal axis (X), with respect to the drum (12), between a working position (PL), in which the drum (12), the first wall (13) and the second wall (14) define a granulating chamber (11), and a cleaning position (PP), in which the first wall (13) is far from the drum (12), therefore allowing access into the granulating chamber (11).