Granulating Apparatus Movable Wall Access
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Solution Overview
Problem
Existing granulating apparatuses for agglomerating granules have small hatches that make access to the granulating chamber uncomfortable and unsafe, leading to prolonged machine downtime during cleaning and maintenance due to the narrow space and limited operator mobility.
Innovation Solution
A granulating apparatus with a movable first wall and a support structure that allows the granulating chamber to be easily accessed by sliding the wall from a working position to a cleaning position, enabling quick, comfortable, and safe maintenance, and utilizing a dispersing assembly with a rotationally driven dispersion bar and fluid dispensing element for efficient agglomeration.
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 compact and simple, but operator access becomes uncomfortable and unsafe, increasing maintenance time
Solution Approach 1:
The granulating chamber is segmented into a fixed portion and a movable wall portion. The movable wall can be independently displaced along the longitudinal axis to open or close the chamber, allowing operators to access the interior without moving the entire chamber structure. This segmentation enables quick access while maintaining the compact closed chamber structure during operation.
Solution Approach 2:
The wall of the granulating chamber is made dynamic rather than fixed. It can be displaced between a closed position (for operation) and an open position (for maintenance). This dynamic wall allows the chamber to adapt between two functional states, enabling operator access when needed while maintaining structural integrity during granulation.
2Reliability
If the granulating chamber is closed for safety and structural integrity, then operator protection is improved, but access for cleaning and maintenance becomes difficult and time-consuming
Solution Approach 1:
The chamber structure is divided into fixed and movable segments. The movable wall portion can be independently displaced to provide access to the chamber interior for maintenance while the rest of the chamber structure remains intact and closed. This allows maintenance access without compromising the overall structural integrity of the chamber.
Solution Approach 2:
The movable wall is extracted as a separate functional component from the main chamber structure. It can be displaced outward to remove the barrier between the operator and the chamber interior, providing access for maintenance while the main chamber structure remains closed and structurally sound.
3Device complexity
If a compact chamber design is used, then device complexity is reduced, but operator mobility within the chamber is limited, exposing operators to safety risks
Solution Approach 1:
The chamber design incorporates a dynamic movable wall that transforms the compact closed structure into an accessible workspace when needed. The wall can be displaced to create a safe opening, allowing operators to enter and move within the chamber interior without exposure to operational hazards, while maintaining the simple compact structure during granulation.
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 apparatus allows for rapid and safe access to the granulating chamber, reducing machine downtime and improving maintenance efficiency, thus enhancing the overall operational efficiency of the system.
Implementation Method 1
a drum (12), extending along a horizontal axis (X) and able to be driven in rotation therearound
Implementation Method 2
the drum (12), extending along a horizontal axis (X) and able to be driven in rotation therearound
Implementation Method 3
a dispersing assembly (24), provided with a dispersion bar element (30) and with a dispersion motor (28) suitable to drive the dispersion bar element (30) in rotation
Implementation Method 4
a fluid dispensing element (25) arranged to dispense a fluid, for example by spraying, on the powdered material
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A granulating apparatus (10) for producing granules by agglomeration of powdered material comprises a drum (12) which extends along, and which can be driven 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), on the contrary, 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 to the interior of the granulating chamber (11).